gecko/widget/cocoa/nsNativeThemeCocoa.mm
Gijs Kruitbosch 70cdee8a11 Bug 1045217 - use gray for tooltips on 10.10, r=mstange
--HG--
extra : rebase_source : e95688f2d42ff09ef120c46baca1e6c2d607f462
2014-10-01 17:24:58 +01:00

3679 lines
126 KiB
Plaintext
Raw Blame History

This file contains ambiguous Unicode characters

This file contains Unicode characters that might be confused with other characters. If you think that this is intentional, you can safely ignore this warning. Use the Escape button to reveal them.

/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
#include "nsNativeThemeCocoa.h"
#include "nsObjCExceptions.h"
#include "nsNumberControlFrame.h"
#include "nsRangeFrame.h"
#include "nsRenderingContext.h"
#include "nsRect.h"
#include "nsSize.h"
#include "nsThemeConstants.h"
#include "nsIPresShell.h"
#include "nsPresContext.h"
#include "nsIContent.h"
#include "nsIDocument.h"
#include "nsIFrame.h"
#include "nsIAtom.h"
#include "nsNameSpaceManager.h"
#include "nsPresContext.h"
#include "nsGkAtoms.h"
#include "nsCocoaFeatures.h"
#include "nsCocoaWindow.h"
#include "nsNativeThemeColors.h"
#include "nsIScrollableFrame.h"
#include "mozilla/EventStates.h"
#include "mozilla/dom/Element.h"
#include "mozilla/dom/HTMLMeterElement.h"
#include "nsLookAndFeel.h"
#include "VibrancyManager.h"
#include "gfxContext.h"
#include "gfxQuartzSurface.h"
#include "gfxQuartzNativeDrawing.h"
#include <algorithm>
using namespace mozilla;
using namespace mozilla::gfx;
using mozilla::dom::HTMLMeterElement;
#define DRAW_IN_FRAME_DEBUG 0
#define SCROLLBARS_VISUAL_DEBUG 0
// private Quartz routines needed here
extern "C" {
CG_EXTERN void CGContextSetCTM(CGContextRef, CGAffineTransform);
CG_EXTERN void CGContextSetBaseCTM(CGContextRef, CGAffineTransform);
typedef CFTypeRef CUIRendererRef;
void CUIDraw(CUIRendererRef r, CGRect rect, CGContextRef ctx, CFDictionaryRef options, CFDictionaryRef* result);
}
// Workaround for NSCell control tint drawing
// Without this workaround, NSCells are always drawn with the clear control tint
// as long as they're not attached to an NSControl which is a subview of an active window.
// XXXmstange Why doesn't Webkit need this?
@implementation NSCell (ControlTintWorkaround)
- (int)_realControlTint { return [self controlTint]; }
@end
// The purpose of this class is to provide objects that can be used when drawing
// NSCells using drawWithFrame:inView: without causing any harm. The only
// messages that will be sent to such an object are "isFlipped" and
// "currentEditor": isFlipped needs to return YES in order to avoid drawing bugs
// on 10.4 (see bug 465069); currentEditor (which isn't even a method of
// NSView) will be called when drawing search fields, and we only provide it in
// order to prevent "unrecognized selector" exceptions.
// There's no need to pass the actual NSView that we're drawing into to
// drawWithFrame:inView:. What's more, doing so even causes unnecessary
// invalidations as soon as we draw a focusring!
@interface CellDrawView : NSView
@end;
@implementation CellDrawView
- (BOOL)isFlipped
{
return YES;
}
- (NSText*)currentEditor
{
return nil;
}
@end
static void
DrawFocusRingForCellIfNeeded(NSCell* aCell, NSRect aWithFrame, NSView* aInView)
{
if ([aCell showsFirstResponder]) {
CGContextRef cgContext = (CGContextRef)[[NSGraphicsContext currentContext] graphicsPort];
CGContextSaveGState(cgContext);
// It's important to set the focus ring style before we enter the
// transparency layer so that the transparency layer only contains
// the normal button mask without the focus ring, and the conversion
// to the focus ring shape happens only when the transparency layer is
// ended.
NSSetFocusRingStyle(NSFocusRingOnly);
// We need to draw the whole button into a transparency layer because
// many button types are composed of multiple parts, and if these parts
// were drawn while the focus ring style was active, each individual part
// would produce a focus ring for itself. But we only want one focus ring
// for the whole button. The transparency layer is a way to merge the
// individual button parts together before the focus ring shape is
// calculated.
CGContextBeginTransparencyLayerWithRect(cgContext, NSRectToCGRect(aWithFrame), 0);
[aCell drawFocusRingMaskWithFrame:aWithFrame inView:aInView];
CGContextEndTransparencyLayer(cgContext);
CGContextRestoreGState(cgContext);
}
}
static bool
FocusIsDrawnByDrawWithFrame()
{
#if defined(MAC_OS_X_VERSION_10_8) && MAC_OS_X_VERSION_MAX_ALLOWED >= MAC_OS_X_VERSION_10_8
// When building with the 10.8 SDK or higher, focus rings don't draw as part
// of -[NSCell drawWithFrame:inView:] and must be drawn by a separate call
// to -[NSCell drawFocusRingMaskWithFrame:inView:]; .
// See the NSButtonCell section under
// https://developer.apple.com/library/mac/releasenotes/AppKit/RN-AppKitOlderNotes/#X10_8Notes
return false;
#else
// On 10.10 and up, this is the case even when building against the 10.7 SDK
// or lower.
return !nsCocoaFeatures::OnYosemiteOrLater();
#endif
}
static void
DrawCellIncludingFocusRing(NSCell* aCell, NSRect aWithFrame, NSView* aInView)
{
[aCell drawWithFrame:aWithFrame inView:aInView];
if (!FocusIsDrawnByDrawWithFrame()) {
DrawFocusRingForCellIfNeeded(aCell, aWithFrame, aInView);
}
}
/**
* NSProgressBarCell is used to draw progress bars of any size.
*/
@interface NSProgressBarCell : NSCell
{
/*All instance variables are private*/
double mValue;
double mMax;
bool mIsIndeterminate;
bool mIsHorizontal;
}
- (void)setValue:(double)value;
- (double)value;
- (void)setMax:(double)max;
- (double)max;
- (void)setIndeterminate:(bool)aIndeterminate;
- (bool)isIndeterminate;
- (void)setHorizontal:(bool)aIsHorizontal;
- (bool)isHorizontal;
- (void)drawWithFrame:(NSRect)cellFrame inView:(NSView *)controlView;
@end
@implementation NSProgressBarCell
- (void)setMax:(double)aMax
{
mMax = aMax;
}
- (double)max
{
return mMax;
}
- (void)setValue:(double)aValue
{
mValue = aValue;
}
- (double)value
{
return mValue;
}
- (void)setIndeterminate:(bool)aIndeterminate
{
mIsIndeterminate = aIndeterminate;
}
- (bool)isIndeterminate
{
return mIsIndeterminate;
}
- (void)setHorizontal:(bool)aIsHorizontal
{
mIsHorizontal = aIsHorizontal;
}
- (bool)isHorizontal
{
return mIsHorizontal;
}
- (void)drawWithFrame:(NSRect)cellFrame inView:(NSView *)controlView
{
CGContext* cgContext = (CGContextRef)[[NSGraphicsContext currentContext] graphicsPort];
HIThemeTrackDrawInfo tdi;
tdi.version = 0;
tdi.min = 0;
tdi.value = INT32_MAX * (mValue / mMax);
tdi.max = INT32_MAX;
tdi.bounds = NSRectToCGRect(cellFrame);
tdi.attributes = mIsHorizontal ? kThemeTrackHorizontal : 0;
tdi.enableState = [self controlTint] == NSClearControlTint ? kThemeTrackInactive
: kThemeTrackActive;
NSControlSize size = [self controlSize];
if (size == NSRegularControlSize) {
tdi.kind = mIsIndeterminate ? kThemeLargeIndeterminateBar
: kThemeLargeProgressBar;
} else {
NS_ASSERTION(size == NSSmallControlSize,
"We shouldn't have another size than small and regular for the moment");
tdi.kind = mIsIndeterminate ? kThemeMediumIndeterminateBar
: kThemeMediumProgressBar;
}
int32_t stepsPerSecond = mIsIndeterminate ? 60 : 30;
int32_t milliSecondsPerStep = 1000 / stepsPerSecond;
tdi.trackInfo.progress.phase = uint8_t(PR_IntervalToMilliseconds(PR_IntervalNow()) /
milliSecondsPerStep);
HIThemeDrawTrack(&tdi, NULL, cgContext, kHIThemeOrientationNormal);
}
@end
@interface ContextAwareSearchFieldCell : NSSearchFieldCell
{
nsIFrame* mContext;
}
// setContext: stores the searchfield nsIFrame so that it can be consulted
// during painting. Please reset this by calling setContext:nullptr as soon as
// you're done with painting because we don't want to keep a dangling pointer.
- (void)setContext:(nsIFrame*)aContext;
@end
@implementation ContextAwareSearchFieldCell
- (id)initTextCell:(NSString*)aString
{
if ((self = [super initTextCell:aString])) {
mContext = nullptr;
}
return self;
}
- (void)setContext:(nsIFrame*)aContext
{
mContext = aContext;
}
static BOOL IsToolbarStyleContainer(nsIFrame* aFrame)
{
nsIContent* content = aFrame->GetContent();
if (!content)
return NO;
if (content->Tag() == nsGkAtoms::toolbar ||
content->Tag() == nsGkAtoms::toolbox ||
content->Tag() == nsGkAtoms::statusbar)
return YES;
switch (aFrame->StyleDisplay()->mAppearance) {
case NS_THEME_TOOLBAR:
case NS_THEME_MOZ_MAC_UNIFIED_TOOLBAR:
case NS_THEME_STATUSBAR:
return YES;
default:
return NO;
}
}
- (BOOL)_isToolbarMode
{
// On 10.7, searchfields have two different styles, depending on whether
// the searchfield is on top of of window chrome. This function is called on
// 10.7 during drawing in order to determine which style to use.
for (nsIFrame* frame = mContext; frame; frame = frame->GetParent()) {
if (IsToolbarStyleContainer(frame)) {
return YES;
}
}
return NO;
}
@end
// Workaround for Bug 542048
// On 64-bit, NSSearchFieldCells don't draw focus rings.
#if defined(__x86_64__)
@interface SearchFieldCellWithFocusRing : ContextAwareSearchFieldCell {} @end
@implementation SearchFieldCellWithFocusRing
- (void)drawWithFrame:(NSRect)rect inView:(NSView*)controlView
{
[super drawWithFrame:rect inView:controlView];
if (FocusIsDrawnByDrawWithFrame()) {
DrawFocusRingForCellIfNeeded(self, rect, controlView);
}
}
- (void)drawFocusRingMaskWithFrame:(NSRect)rect inView:(NSView*)controlView
{
// By default this draws nothing. I don't know why.
// We just draw the search field again. It's a great mask shape for its own
// focus ring.
[super drawWithFrame:rect inView:controlView];
}
@end
#endif
#define HITHEME_ORIENTATION kHIThemeOrientationNormal
#define MAX_FOCUS_RING_WIDTH 4
// These enums are for indexing into the margin array.
enum {
leopardOS = 0
};
enum {
miniControlSize,
smallControlSize,
regularControlSize
};
enum {
leftMargin,
topMargin,
rightMargin,
bottomMargin
};
static int EnumSizeForCocoaSize(NSControlSize cocoaControlSize) {
if (cocoaControlSize == NSMiniControlSize)
return miniControlSize;
else if (cocoaControlSize == NSSmallControlSize)
return smallControlSize;
else
return regularControlSize;
}
static NSControlSize CocoaSizeForEnum(int32_t enumControlSize) {
if (enumControlSize == miniControlSize)
return NSMiniControlSize;
else if (enumControlSize == smallControlSize)
return NSSmallControlSize;
else
return NSRegularControlSize;
}
static NSString* CUIControlSizeForCocoaSize(NSControlSize aControlSize)
{
if (aControlSize == NSRegularControlSize)
return @"regular";
else if (aControlSize == NSSmallControlSize)
return @"small";
else
return @"mini";
}
static void InflateControlRect(NSRect* rect, NSControlSize cocoaControlSize, const float marginSet[][3][4])
{
if (!marginSet)
return;
static int osIndex = leopardOS;
int controlSize = EnumSizeForCocoaSize(cocoaControlSize);
const float* buttonMargins = marginSet[osIndex][controlSize];
rect->origin.x -= buttonMargins[leftMargin];
rect->origin.y -= buttonMargins[bottomMargin];
rect->size.width += buttonMargins[leftMargin] + buttonMargins[rightMargin];
rect->size.height += buttonMargins[bottomMargin] + buttonMargins[topMargin];
}
static NSWindow* NativeWindowForFrame(nsIFrame* aFrame,
nsIWidget** aTopLevelWidget = NULL)
{
if (!aFrame)
return nil;
nsIWidget* widget = aFrame->GetNearestWidget();
if (!widget)
return nil;
nsIWidget* topLevelWidget = widget->GetTopLevelWidget();
if (aTopLevelWidget)
*aTopLevelWidget = topLevelWidget;
return (NSWindow*)topLevelWidget->GetNativeData(NS_NATIVE_WINDOW);
}
static NSSize
WindowButtonsSize(nsIFrame* aFrame)
{
NSWindow* window = NativeWindowForFrame(aFrame);
if (!window) {
// Return fallback values.
if (!nsCocoaFeatures::OnLionOrLater())
return NSMakeSize(57, 16);
return NSMakeSize(54, 16);
}
NSRect buttonBox = NSZeroRect;
NSButton* closeButton = [window standardWindowButton:NSWindowCloseButton];
if (closeButton) {
buttonBox = NSUnionRect(buttonBox, [closeButton frame]);
}
NSButton* minimizeButton = [window standardWindowButton:NSWindowMiniaturizeButton];
if (minimizeButton) {
buttonBox = NSUnionRect(buttonBox, [minimizeButton frame]);
}
NSButton* zoomButton = [window standardWindowButton:NSWindowZoomButton];
if (zoomButton) {
buttonBox = NSUnionRect(buttonBox, [zoomButton frame]);
}
return buttonBox.size;
}
static BOOL FrameIsInActiveWindow(nsIFrame* aFrame)
{
nsIWidget* topLevelWidget = NULL;
NSWindow* win = NativeWindowForFrame(aFrame, &topLevelWidget);
if (!topLevelWidget || !win)
return YES;
// XUL popups, e.g. the toolbar customization popup, can't become key windows,
// but controls in these windows should still get the active look.
if (topLevelWidget->WindowType() == eWindowType_popup)
return YES;
if ([win isSheet])
return [win isKeyWindow];
return [win isMainWindow] && ![win attachedSheet];
}
// Toolbar controls and content controls respond to different window
// activeness states.
static BOOL IsActive(nsIFrame* aFrame, BOOL aIsToolbarControl)
{
if (aIsToolbarControl)
return [NativeWindowForFrame(aFrame) isMainWindow];
return FrameIsInActiveWindow(aFrame);
}
NS_IMPL_ISUPPORTS_INHERITED(nsNativeThemeCocoa, nsNativeTheme, nsITheme)
nsNativeThemeCocoa::nsNativeThemeCocoa()
{
NS_OBJC_BEGIN_TRY_ABORT_BLOCK;
// provide a local autorelease pool, as this is called during startup
// before the main event-loop pool is in place
nsAutoreleasePool pool;
mHelpButtonCell = [[NSButtonCell alloc] initTextCell:nil];
[mHelpButtonCell setBezelStyle:NSHelpButtonBezelStyle];
[mHelpButtonCell setButtonType:NSMomentaryPushInButton];
[mHelpButtonCell setHighlightsBy:NSPushInCellMask];
mPushButtonCell = [[NSButtonCell alloc] initTextCell:nil];
[mPushButtonCell setButtonType:NSMomentaryPushInButton];
[mPushButtonCell setHighlightsBy:NSPushInCellMask];
mRadioButtonCell = [[NSButtonCell alloc] initTextCell:nil];
[mRadioButtonCell setButtonType:NSRadioButton];
mCheckboxCell = [[NSButtonCell alloc] initTextCell:nil];
[mCheckboxCell setButtonType:NSSwitchButton];
[mCheckboxCell setAllowsMixedState:YES];
#if defined(__x86_64__)
mSearchFieldCell = [[SearchFieldCellWithFocusRing alloc] initTextCell:@""];
#else
mSearchFieldCell = [[ContextAwareSearchFieldCell alloc] initTextCell:@""];
#endif
[mSearchFieldCell setBezelStyle:NSTextFieldRoundedBezel];
[mSearchFieldCell setBezeled:YES];
[mSearchFieldCell setEditable:YES];
[mSearchFieldCell setFocusRingType:NSFocusRingTypeExterior];
mDropdownCell = [[NSPopUpButtonCell alloc] initTextCell:@"" pullsDown:NO];
mComboBoxCell = [[NSComboBoxCell alloc] initTextCell:@""];
[mComboBoxCell setBezeled:YES];
[mComboBoxCell setEditable:YES];
[mComboBoxCell setFocusRingType:NSFocusRingTypeExterior];
mProgressBarCell = [[NSProgressBarCell alloc] init];
mMeterBarCell = [[NSLevelIndicatorCell alloc]
initWithLevelIndicatorStyle:NSContinuousCapacityLevelIndicatorStyle];
mCellDrawView = [[CellDrawView alloc] init];
NS_OBJC_END_TRY_ABORT_BLOCK;
}
nsNativeThemeCocoa::~nsNativeThemeCocoa()
{
NS_OBJC_BEGIN_TRY_ABORT_BLOCK;
[mMeterBarCell release];
[mProgressBarCell release];
[mHelpButtonCell release];
[mPushButtonCell release];
[mRadioButtonCell release];
[mCheckboxCell release];
[mSearchFieldCell release];
[mDropdownCell release];
[mComboBoxCell release];
[mCellDrawView release];
NS_OBJC_END_TRY_ABORT_BLOCK;
}
// Limit on the area of the target rect (in pixels^2) in
// DrawCellWithScaling(), DrawButton() and DrawScrollbar(), above which we
// don't draw the object into a bitmap buffer. This is to avoid crashes in
// [NSGraphicsContext graphicsContextWithGraphicsPort:flipped:] and
// CGContextDrawImage(), and also to avoid very poor drawing performance in
// CGContextDrawImage() when it scales the bitmap (particularly if xscale or
// yscale is less than but near 1 -- e.g. 0.9). This value was determined
// by trial and error, on OS X 10.4.11 and 10.5.4, and on systems with
// different amounts of RAM.
#define BITMAP_MAX_AREA 500000
static int
GetBackingScaleFactorForRendering(CGContextRef cgContext)
{
CGAffineTransform ctm = CGContextGetUserSpaceToDeviceSpaceTransform(cgContext);
CGRect transformedUserSpacePixel = CGRectApplyAffineTransform(CGRectMake(0, 0, 1, 1), ctm);
float maxScale = std::max(fabs(transformedUserSpacePixel.size.width),
fabs(transformedUserSpacePixel.size.height));
return maxScale > 1.0 ? 2 : 1;
}
/*
* Draw the given NSCell into the given cgContext.
*
* destRect - the size and position of the resulting control rectangle
* controlSize - the NSControlSize which will be given to the NSCell before
* asking it to render
* naturalSize - The natural dimensions of this control.
* If the control rect size is not equal to either of these, a scale
* will be applied to the context so that rendering the control at the
* natural size will result in it filling the destRect space.
* If a control has no natural dimensions in either/both axes, pass 0.0f.
* minimumSize - The minimum dimensions of this control.
* If the control rect size is less than the minimum for a given axis,
* a scale will be applied to the context so that the minimum is used
* for drawing. If a control has no minimum dimensions in either/both
* axes, pass 0.0f.
* marginSet - an array of margins; a multidimensional array of [2][3][4],
* with the first dimension being the OS version (Tiger or Leopard),
* the second being the control size (mini, small, regular), and the third
* being the 4 margin values (left, top, right, bottom).
* view - The NSView that we're drawing into. As far as I can tell, it doesn't
* matter if this is really the right view; it just has to return YES when
* asked for isFlipped. Otherwise we'll get drawing bugs on 10.4.
* mirrorHorizontal - whether to mirror the cell horizontally
*/
static void DrawCellWithScaling(NSCell *cell,
CGContextRef cgContext,
const HIRect& destRect,
NSControlSize controlSize,
NSSize naturalSize,
NSSize minimumSize,
const float marginSet[][3][4],
NSView* view,
BOOL mirrorHorizontal)
{
NS_OBJC_BEGIN_TRY_ABORT_BLOCK;
NSRect drawRect = NSMakeRect(destRect.origin.x, destRect.origin.y, destRect.size.width, destRect.size.height);
if (naturalSize.width != 0.0f)
drawRect.size.width = naturalSize.width;
if (naturalSize.height != 0.0f)
drawRect.size.height = naturalSize.height;
// Keep aspect ratio when scaling if one dimension is free.
if (naturalSize.width == 0.0f && naturalSize.height != 0.0f)
drawRect.size.width = destRect.size.width * naturalSize.height / destRect.size.height;
if (naturalSize.height == 0.0f && naturalSize.width != 0.0f)
drawRect.size.height = destRect.size.height * naturalSize.width / destRect.size.width;
// Honor minimum sizes.
if (drawRect.size.width < minimumSize.width)
drawRect.size.width = minimumSize.width;
if (drawRect.size.height < minimumSize.height)
drawRect.size.height = minimumSize.height;
[NSGraphicsContext saveGraphicsState];
// Only skip the buffer if the area of our cell (in pixels^2) is too large.
if (drawRect.size.width * drawRect.size.height > BITMAP_MAX_AREA) {
// Inflate the rect Gecko gave us by the margin for the control.
InflateControlRect(&drawRect, controlSize, marginSet);
NSGraphicsContext* savedContext = [NSGraphicsContext currentContext];
[NSGraphicsContext setCurrentContext:[NSGraphicsContext graphicsContextWithGraphicsPort:cgContext flipped:YES]];
DrawCellIncludingFocusRing(cell, drawRect, view);
[NSGraphicsContext setCurrentContext:savedContext];
}
else {
float w = ceil(drawRect.size.width);
float h = ceil(drawRect.size.height);
NSRect tmpRect = NSMakeRect(MAX_FOCUS_RING_WIDTH, MAX_FOCUS_RING_WIDTH, w, h);
// inflate to figure out the frame we need to tell NSCell to draw in, to get something that's 0,0,w,h
InflateControlRect(&tmpRect, controlSize, marginSet);
// and then, expand by MAX_FOCUS_RING_WIDTH size to make sure we can capture any focus ring
w += MAX_FOCUS_RING_WIDTH * 2.0;
h += MAX_FOCUS_RING_WIDTH * 2.0;
int backingScaleFactor = GetBackingScaleFactorForRendering(cgContext);
CGColorSpaceRef rgb = CGColorSpaceCreateDeviceRGB();
CGContextRef ctx = CGBitmapContextCreate(NULL,
(int) w * backingScaleFactor, (int) h * backingScaleFactor,
8, (int) w * backingScaleFactor * 4,
rgb, kCGImageAlphaPremultipliedFirst);
CGColorSpaceRelease(rgb);
// We need to flip the image twice in order to avoid drawing bugs on 10.4, see bug 465069.
// This is the first flip transform, applied to cgContext.
CGContextScaleCTM(cgContext, 1.0f, -1.0f);
CGContextTranslateCTM(cgContext, 0.0f, -(2.0 * destRect.origin.y + destRect.size.height));
if (mirrorHorizontal) {
CGContextScaleCTM(cgContext, -1.0f, 1.0f);
CGContextTranslateCTM(cgContext, -(2.0 * destRect.origin.x + destRect.size.width), 0.0f);
}
NSGraphicsContext* savedContext = [NSGraphicsContext currentContext];
[NSGraphicsContext setCurrentContext:[NSGraphicsContext graphicsContextWithGraphicsPort:ctx flipped:YES]];
CGContextScaleCTM(ctx, backingScaleFactor, backingScaleFactor);
// Set the context's "base transform" to in order to get correctly-sized focus rings.
CGContextSetBaseCTM(ctx, CGAffineTransformMakeScale(backingScaleFactor, backingScaleFactor));
// This is the second flip transform, applied to ctx.
CGContextScaleCTM(ctx, 1.0f, -1.0f);
CGContextTranslateCTM(ctx, 0.0f, -(2.0 * tmpRect.origin.y + tmpRect.size.height));
DrawCellIncludingFocusRing(cell, tmpRect, view);
[NSGraphicsContext setCurrentContext:savedContext];
CGImageRef img = CGBitmapContextCreateImage(ctx);
// Drop the image into the original destination rectangle, scaling to fit
// Only scale MAX_FOCUS_RING_WIDTH by xscale/yscale when the resulting rect
// doesn't extend beyond the overflow rect
float xscale = destRect.size.width / drawRect.size.width;
float yscale = destRect.size.height / drawRect.size.height;
float scaledFocusRingX = xscale < 1.0f ? MAX_FOCUS_RING_WIDTH * xscale : MAX_FOCUS_RING_WIDTH;
float scaledFocusRingY = yscale < 1.0f ? MAX_FOCUS_RING_WIDTH * yscale : MAX_FOCUS_RING_WIDTH;
CGContextDrawImage(cgContext, CGRectMake(destRect.origin.x - scaledFocusRingX,
destRect.origin.y - scaledFocusRingY,
destRect.size.width + scaledFocusRingX * 2,
destRect.size.height + scaledFocusRingY * 2),
img);
CGImageRelease(img);
CGContextRelease(ctx);
}
[NSGraphicsContext restoreGraphicsState];
#if DRAW_IN_FRAME_DEBUG
CGContextSetRGBFillColor(cgContext, 0.0, 0.0, 0.5, 0.25);
CGContextFillRect(cgContext, destRect);
#endif
NS_OBJC_END_TRY_ABORT_BLOCK;
}
struct CellRenderSettings {
// The natural dimensions of the control.
// If a control has no natural dimensions in either/both axes, set to 0.0f.
NSSize naturalSizes[3];
// The minimum dimensions of the control.
// If a control has no minimum dimensions in either/both axes, set to 0.0f.
NSSize minimumSizes[3];
// A three-dimensional array,
// with the first dimension being the OS version (only Leopard for the moment),
// the second being the control size (mini, small, regular), and the third
// being the 4 margin values (left, top, right, bottom).
float margins[1][3][4];
};
/*
* This is a helper method that returns the required NSControlSize given a size
* and the size of the three controls plus a tolerance.
* size - The width or the height of the element to draw.
* sizes - An array with the all the width/height of the element for its
* different sizes.
* tolerance - The tolerance as passed to DrawCellWithSnapping.
* NOTE: returns NSRegularControlSize if all values in 'sizes' are zero.
*/
static NSControlSize FindControlSize(CGFloat size, const CGFloat* sizes, CGFloat tolerance)
{
for (uint32_t i = miniControlSize; i <= regularControlSize; ++i) {
if (sizes[i] == 0) {
continue;
}
CGFloat next = 0;
// Find next value.
for (uint32_t j = i+1; j <= regularControlSize; ++j) {
if (sizes[j] != 0) {
next = sizes[j];
break;
}
}
// If it's the latest value, we pick it.
if (next == 0) {
return CocoaSizeForEnum(i);
}
if (size <= sizes[i] + tolerance && size < next) {
return CocoaSizeForEnum(i);
}
}
// If we are here, that means sizes[] was an array with only empty values
// or the algorithm above is wrong.
// The former can happen but the later would be wrong.
NS_ASSERTION(sizes[0] == 0 && sizes[1] == 0 && sizes[2] == 0,
"We found no control! We shouldn't be there!");
return CocoaSizeForEnum(regularControlSize);
}
/*
* Draw the given NSCell into the given cgContext with a nice control size.
*
* This function is similar to DrawCellWithScaling, but it decides what
* control size to use based on the destRect's size.
* Scaling is only applied when the difference between the destRect's size
* and the next smaller natural size is greater than snapTolerance. Otherwise
* it snaps to the next smaller control size without scaling because unscaled
* controls look nicer.
*/
static void DrawCellWithSnapping(NSCell *cell,
CGContextRef cgContext,
const HIRect& destRect,
const CellRenderSettings settings,
float verticalAlignFactor,
NSView* view,
BOOL mirrorHorizontal,
float snapTolerance = 2.0f)
{
NS_OBJC_BEGIN_TRY_ABORT_BLOCK;
const float rectWidth = destRect.size.width, rectHeight = destRect.size.height;
const NSSize *sizes = settings.naturalSizes;
const NSSize miniSize = sizes[EnumSizeForCocoaSize(NSMiniControlSize)];
const NSSize smallSize = sizes[EnumSizeForCocoaSize(NSSmallControlSize)];
const NSSize regularSize = sizes[EnumSizeForCocoaSize(NSRegularControlSize)];
HIRect drawRect = destRect;
CGFloat controlWidths[3] = { miniSize.width, smallSize.width, regularSize.width };
NSControlSize controlSizeX = FindControlSize(rectWidth, controlWidths, snapTolerance);
CGFloat controlHeights[3] = { miniSize.height, smallSize.height, regularSize.height };
NSControlSize controlSizeY = FindControlSize(rectHeight, controlHeights, snapTolerance);
NSControlSize controlSize = NSRegularControlSize;
int sizeIndex = 0;
// At some sizes, don't scale but snap.
const NSControlSize smallerControlSize =
EnumSizeForCocoaSize(controlSizeX) < EnumSizeForCocoaSize(controlSizeY) ?
controlSizeX : controlSizeY;
const int smallerControlSizeIndex = EnumSizeForCocoaSize(smallerControlSize);
const NSSize size = sizes[smallerControlSizeIndex];
float diffWidth = size.width ? rectWidth - size.width : 0.0f;
float diffHeight = size.height ? rectHeight - size.height : 0.0f;
if (diffWidth >= 0.0f && diffHeight >= 0.0f &&
diffWidth <= snapTolerance && diffHeight <= snapTolerance) {
// Snap to the smaller control size.
controlSize = smallerControlSize;
sizeIndex = smallerControlSizeIndex;
// Resize and center the drawRect.
if (sizes[sizeIndex].width) {
drawRect.origin.x += ceil((destRect.size.width - sizes[sizeIndex].width) / 2);
drawRect.size.width = sizes[sizeIndex].width;
}
if (sizes[sizeIndex].height) {
drawRect.origin.y += floor((destRect.size.height - sizes[sizeIndex].height) * verticalAlignFactor);
drawRect.size.height = sizes[sizeIndex].height;
}
} else {
// Use the larger control size.
controlSize = EnumSizeForCocoaSize(controlSizeX) > EnumSizeForCocoaSize(controlSizeY) ?
controlSizeX : controlSizeY;
sizeIndex = EnumSizeForCocoaSize(controlSize);
}
[cell setControlSize:controlSize];
NSSize minimumSize = settings.minimumSizes ? settings.minimumSizes[sizeIndex] : NSZeroSize;
DrawCellWithScaling(cell, cgContext, drawRect, controlSize, sizes[sizeIndex],
minimumSize, settings.margins, view, mirrorHorizontal);
NS_OBJC_END_TRY_ABORT_BLOCK;
}
@interface NSWindow(CoreUIRendererPrivate)
+ (CUIRendererRef)coreUIRenderer;
@end
static void
RenderWithCoreUILegacy(CGRect aRect, CGContextRef cgContext, NSDictionary* aOptions)
{
if (aRect.size.width * aRect.size.height <= BITMAP_MAX_AREA) {
CUIRendererRef renderer = [NSWindow respondsToSelector:@selector(coreUIRenderer)]
? [NSWindow coreUIRenderer] : nil;
CUIDraw(renderer, aRect, cgContext, (CFDictionaryRef)aOptions, NULL);
}
}
static id
GetAquaAppearance()
{
// We only need NSAppearance on 10.10 and up.
if (nsCocoaFeatures::OnYosemiteOrLater()) {
Class NSAppearanceClass = NSClassFromString(@"NSAppearance");
if (NSAppearanceClass &&
[NSAppearanceClass respondsToSelector:@selector(appearanceNamed:)]) {
return [NSAppearanceClass performSelector:@selector(appearanceNamed:)
withObject:@"NSAppearanceNameAqua"];
}
}
return nil;
}
@interface NSObject(NSAppearanceCoreUIRendering)
- (void)_drawInRect:(CGRect)rect context:(CGContextRef)cgContext options:(id)options;
@end
static void
RenderWithCoreUI(CGRect aRect, CGContextRef cgContext, NSDictionary* aOptions)
{
static id appearance = GetAquaAppearance();
if (aRect.size.width * aRect.size.height > BITMAP_MAX_AREA) {
return;
}
if (appearance && [appearance respondsToSelector:@selector(_drawInRect:context:options:)]) {
// Render through NSAppearance on Mac OS 10.10 and up. This will call
// CUIDraw with a CoreUI renderer that will give us the correct 10.10
// style. Calling CUIDraw directly with [NSWindow coreUIRenderer] still
// renders 10.9-style widgets on 10.10.
[appearance _drawInRect:aRect context:cgContext options:aOptions];
} else {
// 10.9 and below
RenderWithCoreUILegacy(aRect, cgContext, aOptions);
}
}
static float VerticalAlignFactor(nsIFrame *aFrame)
{
if (!aFrame)
return 0.5f; // default: center
const nsStyleCoord& va = aFrame->StyleTextReset()->mVerticalAlign;
uint8_t intval = (va.GetUnit() == eStyleUnit_Enumerated)
? va.GetIntValue()
: NS_STYLE_VERTICAL_ALIGN_MIDDLE;
switch (intval) {
case NS_STYLE_VERTICAL_ALIGN_TOP:
case NS_STYLE_VERTICAL_ALIGN_TEXT_TOP:
return 0.0f;
case NS_STYLE_VERTICAL_ALIGN_SUB:
case NS_STYLE_VERTICAL_ALIGN_SUPER:
case NS_STYLE_VERTICAL_ALIGN_MIDDLE:
case NS_STYLE_VERTICAL_ALIGN_MIDDLE_WITH_BASELINE:
return 0.5f;
case NS_STYLE_VERTICAL_ALIGN_BASELINE:
case NS_STYLE_VERTICAL_ALIGN_TEXT_BOTTOM:
case NS_STYLE_VERTICAL_ALIGN_BOTTOM:
return 1.0f;
default:
NS_NOTREACHED("invalid vertical-align");
return 0.5f;
}
}
// These are the sizes that Gecko needs to request to draw if it wants
// to get a standard-sized Aqua radio button drawn. Note that the rects
// that draw these are actually a little bigger.
static const CellRenderSettings radioSettings = {
{
NSMakeSize(11, 11), // mini
NSMakeSize(13, 13), // small
NSMakeSize(16, 16) // regular
},
{
NSZeroSize, NSZeroSize, NSZeroSize
},
{
{ // Leopard
{0, 0, 0, 0}, // mini
{0, 1, 1, 1}, // small
{0, 0, 0, 0} // regular
}
}
};
static const CellRenderSettings checkboxSettings = {
{
NSMakeSize(11, 11), // mini
NSMakeSize(13, 13), // small
NSMakeSize(16, 16) // regular
},
{
NSZeroSize, NSZeroSize, NSZeroSize
},
{
{ // Leopard
{0, 1, 0, 0}, // mini
{0, 1, 0, 1}, // small
{0, 1, 0, 1} // regular
}
}
};
void
nsNativeThemeCocoa::DrawCheckboxOrRadio(CGContextRef cgContext, bool inCheckbox,
const HIRect& inBoxRect, bool inSelected,
EventStates inState, nsIFrame* aFrame)
{
NS_OBJC_BEGIN_TRY_ABORT_BLOCK;
NSButtonCell *cell = inCheckbox ? mCheckboxCell : mRadioButtonCell;
NSCellStateValue state = inSelected ? NSOnState : NSOffState;
// Check if we have an indeterminate checkbox
if (inCheckbox && GetIndeterminate(aFrame))
state = NSMixedState;
[cell setEnabled:!IsDisabled(aFrame, inState)];
[cell setShowsFirstResponder:inState.HasState(NS_EVENT_STATE_FOCUS)];
[cell setState:state];
[cell setHighlighted:inState.HasAllStates(NS_EVENT_STATE_ACTIVE | NS_EVENT_STATE_HOVER)];
[cell setControlTint:(FrameIsInActiveWindow(aFrame) ? [NSColor currentControlTint] : NSClearControlTint)];
// Ensure that the control is square.
float length = std::min(inBoxRect.size.width, inBoxRect.size.height);
HIRect drawRect = CGRectMake(inBoxRect.origin.x + (int)((inBoxRect.size.width - length) / 2.0f),
inBoxRect.origin.y + (int)((inBoxRect.size.height - length) / 2.0f),
length, length);
DrawCellWithSnapping(cell, cgContext, drawRect,
inCheckbox ? checkboxSettings : radioSettings,
VerticalAlignFactor(aFrame), mCellDrawView, NO);
NS_OBJC_END_TRY_ABORT_BLOCK;
}
static const CellRenderSettings searchFieldSettings = {
{
NSMakeSize(0, 16), // mini
NSMakeSize(0, 19), // small
NSMakeSize(0, 22) // regular
},
{
NSMakeSize(32, 0), // mini
NSMakeSize(38, 0), // small
NSMakeSize(44, 0) // regular
},
{
{ // Leopard
{0, 0, 0, 0}, // mini
{0, 0, 0, 0}, // small
{0, 0, 0, 0} // regular
}
}
};
void
nsNativeThemeCocoa::DrawSearchField(CGContextRef cgContext, const HIRect& inBoxRect,
nsIFrame* aFrame, EventStates inState)
{
NS_OBJC_BEGIN_TRY_ABORT_BLOCK;
ContextAwareSearchFieldCell* cell = mSearchFieldCell;
[cell setContext:aFrame];
[cell setEnabled:!IsDisabled(aFrame, inState)];
// NOTE: this could probably use inState
[cell setShowsFirstResponder:IsFocused(aFrame)];
DrawCellWithSnapping(cell, cgContext, inBoxRect, searchFieldSettings,
VerticalAlignFactor(aFrame), mCellDrawView,
IsFrameRTL(aFrame));
[cell setContext:nullptr];
NS_OBJC_END_TRY_ABORT_BLOCK;
}
static const NSSize kCheckmarkSize = NSMakeSize(11, 11);
static const NSString* kCheckmarkImage = @"image.MenuOnState";
static const CGFloat kMenuIconIndent = 6.0f;
void
nsNativeThemeCocoa::DrawMenuIcon(CGContextRef cgContext, const CGRect& aRect,
EventStates inState, nsIFrame* aFrame,
const NSSize& aIconSize, const NSString* aImageName)
{
NS_OBJC_BEGIN_TRY_ABORT_BLOCK;
// Adjust size and position of our drawRect.
CGFloat paddingX = std::max(CGFloat(0.0), aRect.size.width - aIconSize.width);
CGFloat paddingY = std::max(CGFloat(0.0), aRect.size.height - aIconSize.height);
CGFloat paddingStartX = std::min(paddingX, kMenuIconIndent);
CGFloat paddingEndX = std::max(CGFloat(0.0), paddingX - kMenuIconIndent);
CGRect drawRect = CGRectMake(
aRect.origin.x + (IsFrameRTL(aFrame) ? paddingEndX : paddingStartX),
aRect.origin.y + ceil(paddingY / 2),
aIconSize.width, aIconSize.height);
BOOL isDisabled = IsDisabled(aFrame, inState);
BOOL isActive = CheckBooleanAttr(aFrame, nsGkAtoms::menuactive);
// On 10.6 and at least on 10.7.0, Apple doesn’t seem to have implemented all
// keys and values used on 10.7.5 and later. We can however draw menu icons
// on earlier OS versions by using different keys/values.
BOOL otherKeysAndValues = !nsCocoaFeatures::OnLionOrLater() ||
(nsCocoaFeatures::OSXVersionMajor() == 10 &&
nsCocoaFeatures::OSXVersionMinor() == 7 &&
nsCocoaFeatures::OSXVersionBugFix() < 5);
// 2 states combined with 2 different backgroundTypeKeys on earlier versions.
NSString* state = isDisabled ? @"disabled" :
(isActive && !otherKeysAndValues) ? @"pressed" : @"normal";
NSString* backgroundTypeKey = !otherKeysAndValues ? @"kCUIBackgroundTypeMenu" :
!isDisabled && isActive ? @"backgroundTypeDark" : @"backgroundTypeLight";
NSMutableArray* keys = [NSMutableArray arrayWithObjects:@"backgroundTypeKey",
@"imageNameKey", @"state", @"widget", @"is.flipped", nil];
NSMutableArray* values = [NSMutableArray arrayWithObjects: backgroundTypeKey,
aImageName, state, @"image", [NSNumber numberWithBool:YES], nil];
if (otherKeysAndValues) { // Earlier versions used one more key-value pair.
[keys insertObject:@"imageIsGrayscaleKey" atIndex:1];
[values insertObject:[NSNumber numberWithBool:YES] atIndex:1];
}
RenderWithCoreUI(drawRect, cgContext,
[NSDictionary dictionaryWithObjects:values
forKeys:keys]);
#if DRAW_IN_FRAME_DEBUG
CGContextSetRGBFillColor(cgContext, 0.0, 0.0, 0.5, 0.25);
CGContextFillRect(cgContext, drawRect);
#endif
NS_OBJC_END_TRY_ABORT_BLOCK;
}
static const NSSize kHelpButtonSize = NSMakeSize(20, 20);
static const CellRenderSettings pushButtonSettings = {
{
NSMakeSize(0, 16), // mini
NSMakeSize(0, 19), // small
NSMakeSize(0, 22) // regular
},
{
NSMakeSize(18, 0), // mini
NSMakeSize(26, 0), // small
NSMakeSize(30, 0) // regular
},
{
{ // Leopard
{0, 0, 0, 0}, // mini
{4, 0, 4, 1}, // small
{5, 0, 5, 2} // regular
}
}
};
// The height at which we start doing square buttons instead of rounded buttons
// Rounded buttons look bad if drawn at a height greater than 26, so at that point
// we switch over to doing square buttons which looks fine at any size.
#define DO_SQUARE_BUTTON_HEIGHT 26
void
nsNativeThemeCocoa::DrawPushButton(CGContextRef cgContext, const HIRect& inBoxRect,
EventStates inState, uint8_t aWidgetType,
nsIFrame* aFrame)
{
NS_OBJC_BEGIN_TRY_ABORT_BLOCK;
BOOL isActive = FrameIsInActiveWindow(aFrame);
BOOL isDisabled = IsDisabled(aFrame, inState);
NSButtonCell* cell = (aWidgetType == NS_THEME_MOZ_MAC_HELP_BUTTON) ? mHelpButtonCell : mPushButtonCell;
[cell setEnabled:!isDisabled];
[cell setHighlighted:isActive &&
inState.HasAllStates(NS_EVENT_STATE_ACTIVE | NS_EVENT_STATE_HOVER)];
[cell setShowsFirstResponder:inState.HasState(NS_EVENT_STATE_FOCUS) && !isDisabled && isActive];
if (aWidgetType == NS_THEME_MOZ_MAC_HELP_BUTTON) {
DrawCellWithScaling(cell, cgContext, inBoxRect, NSRegularControlSize,
NSZeroSize, kHelpButtonSize, NULL, mCellDrawView,
false); // Don't mirror icon in RTL.
} else {
// If the button is tall enough, draw the square button style so that
// buttons with non-standard content look good. Otherwise draw normal
// rounded aqua buttons.
if (inBoxRect.size.height > DO_SQUARE_BUTTON_HEIGHT) {
[cell setBezelStyle:NSShadowlessSquareBezelStyle];
DrawCellWithScaling(cell, cgContext, inBoxRect, NSRegularControlSize,
NSZeroSize, NSMakeSize(14, 0), NULL, mCellDrawView,
IsFrameRTL(aFrame));
} else {
[cell setBezelStyle:NSRoundedBezelStyle];
DrawCellWithSnapping(cell, cgContext, inBoxRect, pushButtonSettings, 0.5f,
mCellDrawView, IsFrameRTL(aFrame), 1.0f);
}
}
#if DRAW_IN_FRAME_DEBUG
CGContextSetRGBFillColor(cgContext, 0.0, 0.0, 0.5, 0.25);
CGContextFillRect(cgContext, inBoxRect);
#endif
NS_OBJC_END_TRY_ABORT_BLOCK;
}
void
nsNativeThemeCocoa::DrawFocusOutline(CGContextRef cgContext, const HIRect& inBoxRect,
EventStates inState, uint8_t aWidgetType,
nsIFrame* aFrame)
{
NS_OBJC_BEGIN_TRY_ABORT_BLOCK;
HIThemeFrameDrawInfo fdi;
fdi.version = 0;
fdi.kind = kHIThemeFrameTextFieldSquare;
fdi.state = kThemeStateActive;
fdi.isFocused = TRUE;
#if DRAW_IN_FRAME_DEBUG
CGContextSetRGBFillColor(cgContext, 0.0, 0.0, 0.5, 0.25);
CGContextFillRect(cgContext, inBoxRect);
#endif
HIThemeDrawFrame(&inBoxRect, &fdi, cgContext, HITHEME_ORIENTATION);
NS_OBJC_END_TRY_ABORT_BLOCK;
}
typedef void (*RenderHIThemeControlFunction)(CGContextRef cgContext, const HIRect& aRenderRect, void* aData);
static void
RenderTransformedHIThemeControl(CGContextRef aCGContext, const HIRect& aRect,
RenderHIThemeControlFunction aFunc, void* aData,
BOOL mirrorHorizontally = NO)
{
CGAffineTransform savedCTM = CGContextGetCTM(aCGContext);
CGContextTranslateCTM(aCGContext, aRect.origin.x, aRect.origin.y);
bool drawDirect;
HIRect drawRect = aRect;
drawRect.origin = CGPointZero;
if (!mirrorHorizontally && savedCTM.a == 1.0f && savedCTM.b == 0.0f &&
savedCTM.c == 0.0f && (savedCTM.d == 1.0f || savedCTM.d == -1.0f)) {
drawDirect = TRUE;
} else {
drawDirect = FALSE;
}
// Fall back to no bitmap buffer if the area of our control (in pixels^2)
// is too large.
if (drawDirect || (aRect.size.width * aRect.size.height > BITMAP_MAX_AREA)) {
aFunc(aCGContext, drawRect, aData);
} else {
// Inflate the buffer to capture focus rings.
int w = ceil(drawRect.size.width) + 2 * MAX_FOCUS_RING_WIDTH;
int h = ceil(drawRect.size.height) + 2 * MAX_FOCUS_RING_WIDTH;
int backingScaleFactor = GetBackingScaleFactorForRendering(aCGContext);
CGColorSpaceRef colorSpace = CGColorSpaceCreateDeviceRGB();
CGContextRef bitmapctx = CGBitmapContextCreate(NULL,
w * backingScaleFactor,
h * backingScaleFactor,
8,
w * backingScaleFactor * 4,
colorSpace,
kCGImageAlphaPremultipliedFirst);
CGColorSpaceRelease(colorSpace);
CGContextScaleCTM(bitmapctx, backingScaleFactor, backingScaleFactor);
CGContextTranslateCTM(bitmapctx, MAX_FOCUS_RING_WIDTH, MAX_FOCUS_RING_WIDTH);
// Set the context's "base transform" to in order to get correctly-sized focus rings.
CGContextSetBaseCTM(bitmapctx, CGAffineTransformMakeScale(backingScaleFactor, backingScaleFactor));
// HITheme always wants to draw into a flipped context, or things
// get confused.
CGContextTranslateCTM(bitmapctx, 0.0f, aRect.size.height);
CGContextScaleCTM(bitmapctx, 1.0f, -1.0f);
aFunc(bitmapctx, drawRect, aData);
CGImageRef bitmap = CGBitmapContextCreateImage(bitmapctx);
CGAffineTransform ctm = CGContextGetCTM(aCGContext);
// We need to unflip, so that we can do a DrawImage without getting a flipped image.
CGContextTranslateCTM(aCGContext, 0.0f, aRect.size.height);
CGContextScaleCTM(aCGContext, 1.0f, -1.0f);
if (mirrorHorizontally) {
CGContextTranslateCTM(aCGContext, aRect.size.width, 0);
CGContextScaleCTM(aCGContext, -1.0f, 1.0f);
}
HIRect inflatedDrawRect = CGRectMake(-MAX_FOCUS_RING_WIDTH, -MAX_FOCUS_RING_WIDTH, w, h);
CGContextDrawImage(aCGContext, inflatedDrawRect, bitmap);
CGContextSetCTM(aCGContext, ctm);
CGImageRelease(bitmap);
CGContextRelease(bitmapctx);
}
CGContextSetCTM(aCGContext, savedCTM);
}
static void
RenderButton(CGContextRef cgContext, const HIRect& aRenderRect, void* aData)
{
HIThemeButtonDrawInfo* bdi = (HIThemeButtonDrawInfo*)aData;
HIThemeDrawButton(&aRenderRect, bdi, cgContext, kHIThemeOrientationNormal, NULL);
}
void
nsNativeThemeCocoa::DrawButton(CGContextRef cgContext, ThemeButtonKind inKind,
const HIRect& inBoxRect, bool inIsDefault,
ThemeButtonValue inValue, ThemeButtonAdornment inAdornment,
EventStates inState, nsIFrame* aFrame)
{
NS_OBJC_BEGIN_TRY_ABORT_BLOCK;
BOOL isActive = FrameIsInActiveWindow(aFrame);
BOOL isDisabled = IsDisabled(aFrame, inState);
HIThemeButtonDrawInfo bdi;
bdi.version = 0;
bdi.kind = inKind;
bdi.value = inValue;
bdi.adornment = inAdornment;
if (isDisabled) {
bdi.state = kThemeStateUnavailable;
}
else if (inState.HasAllStates(NS_EVENT_STATE_ACTIVE | NS_EVENT_STATE_HOVER)) {
bdi.state = kThemeStatePressed;
}
else {
if (inKind == kThemeArrowButton)
bdi.state = kThemeStateUnavailable; // these are always drawn as unavailable
else if (!isActive && inKind == kThemeListHeaderButton)
bdi.state = kThemeStateInactive;
else
bdi.state = kThemeStateActive;
}
if (inState.HasState(NS_EVENT_STATE_FOCUS) && isActive)
bdi.adornment |= kThemeAdornmentFocus;
if (inIsDefault && !isDisabled && isActive &&
!inState.HasState(NS_EVENT_STATE_ACTIVE)) {
bdi.adornment |= kThemeAdornmentDefault;
bdi.animation.time.start = 0;
bdi.animation.time.current = CFAbsoluteTimeGetCurrent();
}
HIRect drawFrame = inBoxRect;
if (inKind == kThemePushButton) {
drawFrame.size.height -= 2;
if (inBoxRect.size.height < pushButtonSettings.naturalSizes[smallControlSize].height) {
bdi.kind = kThemePushButtonMini;
}
else if (inBoxRect.size.height < pushButtonSettings.naturalSizes[regularControlSize].height) {
bdi.kind = kThemePushButtonSmall;
drawFrame.origin.y -= 1;
drawFrame.origin.x += 1;
drawFrame.size.width -= 2;
}
}
else if (inKind == kThemeListHeaderButton) {
CGContextClipToRect(cgContext, inBoxRect);
// Always remove the top border.
drawFrame.origin.y -= 1;
drawFrame.size.height += 1;
// Remove the left border in LTR mode and the right border in RTL mode.
drawFrame.size.width += 1;
bool isLast = IsLastTreeHeaderCell(aFrame);
if (isLast)
drawFrame.size.width += 1; // Also remove the other border.
if (!IsFrameRTL(aFrame) || isLast)
drawFrame.origin.x -= 1;
}
RenderTransformedHIThemeControl(cgContext, drawFrame, RenderButton, &bdi,
IsFrameRTL(aFrame));
#if DRAW_IN_FRAME_DEBUG
CGContextSetRGBFillColor(cgContext, 0.0, 0.0, 0.5, 0.25);
CGContextFillRect(cgContext, inBoxRect);
#endif
NS_OBJC_END_TRY_ABORT_BLOCK;
}
static const CellRenderSettings dropdownSettings = {
{
NSMakeSize(0, 16), // mini
NSMakeSize(0, 19), // small
NSMakeSize(0, 22) // regular
},
{
NSMakeSize(18, 0), // mini
NSMakeSize(38, 0), // small
NSMakeSize(44, 0) // regular
},
{
{ // Leopard
{1, 1, 2, 1}, // mini
{3, 0, 3, 1}, // small
{3, 0, 3, 0} // regular
}
}
};
static const CellRenderSettings editableMenulistSettings = {
{
NSMakeSize(0, 15), // mini
NSMakeSize(0, 18), // small
NSMakeSize(0, 21) // regular
},
{
NSMakeSize(18, 0), // mini
NSMakeSize(38, 0), // small
NSMakeSize(44, 0) // regular
},
{
{ // Leopard
{0, 0, 2, 2}, // mini
{0, 0, 3, 2}, // small
{0, 1, 3, 3} // regular
}
}
};
void
nsNativeThemeCocoa::DrawDropdown(CGContextRef cgContext, const HIRect& inBoxRect,
EventStates inState, uint8_t aWidgetType,
nsIFrame* aFrame)
{
NS_OBJC_BEGIN_TRY_ABORT_BLOCK;
[mDropdownCell setPullsDown:(aWidgetType == NS_THEME_BUTTON)];
BOOL isEditable = (aWidgetType == NS_THEME_DROPDOWN_TEXTFIELD);
NSCell* cell = isEditable ? (NSCell*)mComboBoxCell : (NSCell*)mDropdownCell;
[cell setEnabled:!IsDisabled(aFrame, inState)];
[cell setShowsFirstResponder:(IsFocused(aFrame) || inState.HasState(NS_EVENT_STATE_FOCUS))];
[cell setHighlighted:IsOpenButton(aFrame)];
[cell setControlTint:(FrameIsInActiveWindow(aFrame) ? [NSColor currentControlTint] : NSClearControlTint)];
const CellRenderSettings& settings = isEditable ? editableMenulistSettings : dropdownSettings;
DrawCellWithSnapping(cell, cgContext, inBoxRect, settings,
0.5f, mCellDrawView, IsFrameRTL(aFrame));
NS_OBJC_END_TRY_ABORT_BLOCK;
}
static const CellRenderSettings spinnerSettings = {
{
NSMakeSize(11, 16), // mini (width trimmed by 2px to reduce blank border)
NSMakeSize(15, 22), // small
NSMakeSize(19, 27) // regular
},
{
NSMakeSize(11, 16), // mini (width trimmed by 2px to reduce blank border)
NSMakeSize(15, 22), // small
NSMakeSize(19, 27) // regular
},
{
{ // Leopard
{0, 0, 0, 0}, // mini
{0, 0, 0, 0}, // small
{0, 0, 0, 0} // regular
}
}
};
void
nsNativeThemeCocoa::DrawSpinButtons(CGContextRef cgContext, ThemeButtonKind inKind,
const HIRect& inBoxRect, ThemeDrawState inDrawState,
ThemeButtonAdornment inAdornment,
EventStates inState, nsIFrame* aFrame)
{
NS_OBJC_BEGIN_TRY_ABORT_BLOCK;
HIThemeButtonDrawInfo bdi;
bdi.version = 0;
bdi.kind = inKind;
bdi.value = kThemeButtonOff;
bdi.adornment = inAdornment;
if (IsDisabled(aFrame, inState))
bdi.state = kThemeStateUnavailable;
else
bdi.state = FrameIsInActiveWindow(aFrame) ? inDrawState : kThemeStateActive;
HIThemeDrawButton(&inBoxRect, &bdi, cgContext, HITHEME_ORIENTATION, NULL);
NS_OBJC_END_TRY_ABORT_BLOCK;
}
void
nsNativeThemeCocoa::DrawSpinButton(CGContextRef cgContext,
ThemeButtonKind inKind,
const HIRect& inBoxRect,
ThemeDrawState inDrawState,
ThemeButtonAdornment inAdornment,
EventStates inState,
nsIFrame* aFrame,
uint8_t aWidgetType)
{
NS_OBJC_BEGIN_TRY_ABORT_BLOCK;
MOZ_ASSERT(aWidgetType == NS_THEME_SPINNER_UP_BUTTON ||
aWidgetType == NS_THEME_SPINNER_DOWN_BUTTON);
HIThemeButtonDrawInfo bdi;
bdi.version = 0;
bdi.kind = inKind;
bdi.value = kThemeButtonOff;
bdi.adornment = inAdornment;
if (IsDisabled(aFrame, inState))
bdi.state = kThemeStateUnavailable;
else
bdi.state = FrameIsInActiveWindow(aFrame) ? inDrawState : kThemeStateActive;
// Cocoa only allows kThemeIncDecButton to paint the up and down spin buttons
// together as a single unit (presumably because when one button is active,
// the appearance of both changes (in different ways)). Here we have to paint
// both buttons, using clip to hide the one we don't want to paint.
HIRect drawRect = inBoxRect;
drawRect.size.height *= 2;
if (aWidgetType == NS_THEME_SPINNER_DOWN_BUTTON) {
drawRect.origin.y -= inBoxRect.size.height;
}
// Shift the drawing a little to the left, since cocoa paints with more
// blank space around the visual buttons than we'd like:
drawRect.origin.x -= 1;
CGContextSaveGState(cgContext);
CGContextClipToRect(cgContext, inBoxRect);
HIThemeDrawButton(&drawRect, &bdi, cgContext, HITHEME_ORIENTATION, NULL);
CGContextRestoreGState(cgContext);
NS_OBJC_END_TRY_ABORT_BLOCK;
}
void
nsNativeThemeCocoa::DrawFrame(CGContextRef cgContext, HIThemeFrameKind inKind,
const HIRect& inBoxRect, bool inDisabled,
EventStates inState)
{
NS_OBJC_BEGIN_TRY_ABORT_BLOCK;
HIThemeFrameDrawInfo fdi;
fdi.version = 0;
fdi.kind = inKind;
// We don't ever set an inactive state for this because it doesn't
// look right (see other apps).
fdi.state = inDisabled ? kThemeStateUnavailable : kThemeStateActive;
// for some reason focus rings on listboxes draw incorrectly
if (inKind == kHIThemeFrameListBox)
fdi.isFocused = 0;
else
fdi.isFocused = inState.HasState(NS_EVENT_STATE_FOCUS);
// HIThemeDrawFrame takes the rect for the content area of the frame, not
// the bounding rect for the frame. Here we reduce the size of the rect we
// will pass to make it the size of the content.
HIRect drawRect = inBoxRect;
if (inKind == kHIThemeFrameTextFieldSquare) {
SInt32 frameOutset = 0;
::GetThemeMetric(kThemeMetricEditTextFrameOutset, &frameOutset);
drawRect.origin.x += frameOutset;
drawRect.origin.y += frameOutset;
drawRect.size.width -= frameOutset * 2;
drawRect.size.height -= frameOutset * 2;
}
else if (inKind == kHIThemeFrameListBox) {
SInt32 frameOutset = 0;
::GetThemeMetric(kThemeMetricListBoxFrameOutset, &frameOutset);
drawRect.origin.x += frameOutset;
drawRect.origin.y += frameOutset;
drawRect.size.width -= frameOutset * 2;
drawRect.size.height -= frameOutset * 2;
}
#if DRAW_IN_FRAME_DEBUG
CGContextSetRGBFillColor(cgContext, 0.0, 0.0, 0.5, 0.25);
CGContextFillRect(cgContext, inBoxRect);
#endif
HIThemeDrawFrame(&drawRect, &fdi, cgContext, HITHEME_ORIENTATION);
NS_OBJC_END_TRY_ABORT_BLOCK;
}
static const CellRenderSettings progressSettings[2][2] = {
// Vertical progress bar.
{
// Determined settings.
{
{
NSZeroSize, // mini
NSMakeSize(10, 0), // small
NSMakeSize(16, 0) // regular
},
{
NSZeroSize, NSZeroSize, NSZeroSize
},
{
{ // Leopard
{0, 0, 0, 0}, // mini
{1, 1, 1, 1}, // small
{1, 1, 1, 1} // regular
}
}
},
// There is no horizontal margin in regular undetermined size.
{
{
NSZeroSize, // mini
NSMakeSize(10, 0), // small
NSMakeSize(16, 0) // regular
},
{
NSZeroSize, NSZeroSize, NSZeroSize
},
{
{ // Leopard
{0, 0, 0, 0}, // mini
{1, 1, 1, 1}, // small
{1, 0, 1, 0} // regular
}
}
}
},
// Horizontal progress bar.
{
// Determined settings.
{
{
NSZeroSize, // mini
NSMakeSize(0, 10), // small
NSMakeSize(0, 16) // regular
},
{
NSZeroSize, NSZeroSize, NSZeroSize
},
{
{ // Leopard
{0, 0, 0, 0}, // mini
{1, 1, 1, 1}, // small
{1, 1, 1, 1} // regular
}
}
},
// There is no horizontal margin in regular undetermined size.
{
{
NSZeroSize, // mini
NSMakeSize(0, 10), // small
NSMakeSize(0, 16) // regular
},
{
NSZeroSize, NSZeroSize, NSZeroSize
},
{
{ // Leopard
{0, 0, 0, 0}, // mini
{1, 1, 1, 1}, // small
{0, 1, 0, 1} // regular
}
}
}
}
};
void
nsNativeThemeCocoa::DrawProgress(CGContextRef cgContext, const HIRect& inBoxRect,
bool inIsIndeterminate, bool inIsHorizontal,
double inValue, double inMaxValue,
nsIFrame* aFrame)
{
NS_OBJC_BEGIN_TRY_ABORT_BLOCK;
NSProgressBarCell* cell = mProgressBarCell;
[cell setValue:inValue];
[cell setMax:inMaxValue];
[cell setIndeterminate:inIsIndeterminate];
[cell setHorizontal:inIsHorizontal];
[cell setControlTint:(FrameIsInActiveWindow(aFrame) ? [NSColor currentControlTint]
: NSClearControlTint)];
DrawCellWithSnapping(cell, cgContext, inBoxRect,
progressSettings[inIsHorizontal][inIsIndeterminate],
VerticalAlignFactor(aFrame), mCellDrawView,
IsFrameRTL(aFrame));
NS_OBJC_END_TRY_ABORT_BLOCK;
}
static const CellRenderSettings meterSetting = {
{
NSMakeSize(0, 16), // mini
NSMakeSize(0, 16), // small
NSMakeSize(0, 16) // regular
},
{
NSZeroSize, NSZeroSize, NSZeroSize
},
{
{ // Leopard
{1, 1, 1, 1}, // mini
{1, 1, 1, 1}, // small
{1, 1, 1, 1} // regular
}
}
};
void
nsNativeThemeCocoa::DrawMeter(CGContextRef cgContext, const HIRect& inBoxRect,
nsIFrame* aFrame)
{
NS_OBJC_BEGIN_TRY_ABORT_BLOCK
NS_PRECONDITION(aFrame, "aFrame should not be null here!");
// When using -moz-meterbar on an non meter element, we will not be able to
// get all the needed information so we just draw an empty meter.
nsIContent* content = aFrame->GetContent();
if (!(content && content->IsHTML(nsGkAtoms::meter))) {
DrawCellWithSnapping(mMeterBarCell, cgContext, inBoxRect,
meterSetting, VerticalAlignFactor(aFrame),
mCellDrawView, IsFrameRTL(aFrame));
return;
}
HTMLMeterElement* meterElement = static_cast<HTMLMeterElement*>(content);
double value = meterElement->Value();
double min = meterElement->Min();
double max = meterElement->Max();
NSLevelIndicatorCell* cell = mMeterBarCell;
[cell setMinValue:min];
[cell setMaxValue:max];
[cell setDoubleValue:value];
/**
* The way HTML and Cocoa defines the meter/indicator widget are different.
* So, we are going to use a trick to get the Cocoa widget showing what we
* are expecting: we set the warningValue or criticalValue to the current
* value when we want to have the widget to be in the warning or critical
* state.
*/
EventStates states = aFrame->GetContent()->AsElement()->State();
// Reset previously set warning and critical values.
[cell setWarningValue:max+1];
[cell setCriticalValue:max+1];
if (states.HasState(NS_EVENT_STATE_SUB_OPTIMUM)) {
[cell setWarningValue:value];
} else if (states.HasState(NS_EVENT_STATE_SUB_SUB_OPTIMUM)) {
[cell setCriticalValue:value];
}
HIRect rect = CGRectStandardize(inBoxRect);
BOOL vertical = IsVerticalMeter(aFrame);
CGContextSaveGState(cgContext);
if (vertical) {
/**
* Cocoa doesn't provide a vertical meter bar so to show one, we have to
* show a rotated horizontal meter bar.
* Given that we want to show a vertical meter bar, we assume that the rect
* has vertical dimensions but we can't correctly draw a meter widget inside
* such a rectangle so we need to inverse width and height (and re-position)
* to get a rectangle with horizontal dimensions.
* Finally, we want to show a vertical meter so we want to rotate the result
* so it is vertical. We do that by changing the context.
*/
CGFloat tmp = rect.size.width;
rect.size.width = rect.size.height;
rect.size.height = tmp;
rect.origin.x += rect.size.height / 2.f - rect.size.width / 2.f;
rect.origin.y += rect.size.width / 2.f - rect.size.height / 2.f;
CGContextTranslateCTM(cgContext, CGRectGetMidX(rect), CGRectGetMidY(rect));
CGContextRotateCTM(cgContext, -M_PI / 2.f);
CGContextTranslateCTM(cgContext, -CGRectGetMidX(rect), -CGRectGetMidY(rect));
}
DrawCellWithSnapping(cell, cgContext, rect,
meterSetting, VerticalAlignFactor(aFrame),
mCellDrawView, !vertical && IsFrameRTL(aFrame));
CGContextRestoreGState(cgContext);
NS_OBJC_END_TRY_ABORT_BLOCK
}
void
nsNativeThemeCocoa::DrawTabPanel(CGContextRef cgContext, const HIRect& inBoxRect,
nsIFrame* aFrame)
{
NS_OBJC_BEGIN_TRY_ABORT_BLOCK;
HIThemeTabPaneDrawInfo tpdi;
tpdi.version = 1;
tpdi.state = FrameIsInActiveWindow(aFrame) ? kThemeStateActive : kThemeStateInactive;
tpdi.direction = kThemeTabNorth;
tpdi.size = kHIThemeTabSizeNormal;
tpdi.kind = kHIThemeTabKindNormal;
HIThemeDrawTabPane(&inBoxRect, &tpdi, cgContext, HITHEME_ORIENTATION);
NS_OBJC_END_TRY_ABORT_BLOCK;
}
void
nsNativeThemeCocoa::DrawScale(CGContextRef cgContext, const HIRect& inBoxRect,
EventStates inState, bool inIsVertical,
bool inIsReverse, int32_t inCurrentValue,
int32_t inMinValue, int32_t inMaxValue,
nsIFrame* aFrame)
{
NS_OBJC_BEGIN_TRY_ABORT_BLOCK;
HIThemeTrackDrawInfo tdi;
tdi.version = 0;
tdi.kind = kThemeMediumSlider;
tdi.bounds = inBoxRect;
tdi.min = inMinValue;
tdi.max = inMaxValue;
tdi.value = inCurrentValue;
tdi.attributes = kThemeTrackShowThumb;
if (!inIsVertical)
tdi.attributes |= kThemeTrackHorizontal;
if (inIsReverse)
tdi.attributes |= kThemeTrackRightToLeft;
if (inState.HasState(NS_EVENT_STATE_FOCUS))
tdi.attributes |= kThemeTrackHasFocus;
if (IsDisabled(aFrame, inState))
tdi.enableState = kThemeTrackDisabled;
else
tdi.enableState = FrameIsInActiveWindow(aFrame) ? kThemeTrackActive : kThemeTrackInactive;
tdi.trackInfo.slider.thumbDir = kThemeThumbPlain;
tdi.trackInfo.slider.pressState = 0;
HIThemeDrawTrack(&tdi, NULL, cgContext, HITHEME_ORIENTATION);
NS_OBJC_END_TRY_ABORT_BLOCK;
}
nsIFrame*
nsNativeThemeCocoa::SeparatorResponsibility(nsIFrame* aBefore, nsIFrame* aAfter)
{
// Usually a separator is drawn by the segment to the right of the
// separator, but pressed and selected segments have higher priority.
if (!aBefore || !aAfter)
return nullptr;
if (IsSelectedButton(aAfter))
return aAfter;
if (IsSelectedButton(aBefore) || IsPressedButton(aBefore))
return aBefore;
return aAfter;
}
CGRect
nsNativeThemeCocoa::SeparatorAdjustedRect(CGRect aRect, nsIFrame* aLeft,
nsIFrame* aCurrent, nsIFrame* aRight)
{
// A separator between two segments should always be located in the leftmost
// pixel column of the segment to the right of the separator, regardless of
// who ends up drawing it.
// CoreUI draws the separators inside the drawing rect.
if (aLeft && SeparatorResponsibility(aLeft, aCurrent) == aLeft) {
// The left button draws the separator, so we need to make room for it.
aRect.origin.x += 1;
aRect.size.width -= 1;
}
if (SeparatorResponsibility(aCurrent, aRight) == aCurrent) {
// We draw the right separator, so we need to extend the draw rect into the
// segment to our right.
aRect.size.width += 1;
}
return aRect;
}
static NSString* ToolbarButtonPosition(BOOL aIsFirst, BOOL aIsLast)
{
if (aIsFirst) {
if (aIsLast)
return @"kCUISegmentPositionOnly";
return @"kCUISegmentPositionFirst";
}
if (aIsLast)
return @"kCUISegmentPositionLast";
return @"kCUISegmentPositionMiddle";
}
struct SegmentedControlRenderSettings {
const CGFloat* heights;
const NSString* widgetName;
const BOOL ignoresPressedWhenSelected;
const BOOL isToolbarControl;
};
static const CGFloat tabHeights[3] = { 17, 20, 23 };
static const SegmentedControlRenderSettings tabRenderSettings = {
tabHeights, @"tab", YES, NO
};
static const CGFloat toolbarButtonHeights[3] = { 15, 18, 22 };
static const SegmentedControlRenderSettings toolbarButtonRenderSettings = {
toolbarButtonHeights, @"kCUIWidgetButtonSegmentedSCurve", NO, YES
};
void
nsNativeThemeCocoa::DrawSegment(CGContextRef cgContext, const HIRect& inBoxRect,
EventStates inState, nsIFrame* aFrame,
const SegmentedControlRenderSettings& aSettings)
{
BOOL isActive = IsActive(aFrame, aSettings.isToolbarControl);
BOOL isFocused = inState.HasState(NS_EVENT_STATE_FOCUS);
BOOL isSelected = IsSelectedButton(aFrame);
BOOL isPressed = IsPressedButton(aFrame);
if (isSelected && aSettings.ignoresPressedWhenSelected) {
isPressed = NO;
}
BOOL isRTL = IsFrameRTL(aFrame);
nsIFrame* left = GetAdjacentSiblingFrameWithSameAppearance(aFrame, isRTL);
nsIFrame* right = GetAdjacentSiblingFrameWithSameAppearance(aFrame, !isRTL);
CGRect drawRect = SeparatorAdjustedRect(inBoxRect, left, aFrame, right);
BOOL drawLeftSeparator = SeparatorResponsibility(left, aFrame) == aFrame;
BOOL drawRightSeparator = SeparatorResponsibility(aFrame, right) == aFrame;
NSControlSize controlSize = FindControlSize(drawRect.size.height, aSettings.heights, 4.0f);
RenderWithCoreUI(drawRect, cgContext, [NSDictionary dictionaryWithObjectsAndKeys:
aSettings.widgetName, @"widget",
(isActive ? @"kCUIPresentationStateActiveKey" : @"kCUIPresentationStateInactive"), @"kCUIPresentationStateKey",
ToolbarButtonPosition(!left, !right), @"kCUIPositionKey",
[NSNumber numberWithBool:drawLeftSeparator], @"kCUISegmentLeadingSeparatorKey",
[NSNumber numberWithBool:drawRightSeparator], @"kCUISegmentTrailingSeparatorKey",
[NSNumber numberWithBool:isSelected], @"value",
(isPressed ? @"pressed" : (isActive ? @"normal" : @"inactive")), @"state",
[NSNumber numberWithBool:isFocused], @"focus",
CUIControlSizeForCocoaSize(controlSize), @"size",
[NSNumber numberWithBool:YES], @"is.flipped",
@"up", @"direction",
nil]);
}
static inline UInt8
ConvertToPressState(EventStates aButtonState, UInt8 aPressState)
{
// If the button is pressed, return the press state passed in. Otherwise, return 0.
return aButtonState.HasAllStates(NS_EVENT_STATE_ACTIVE | NS_EVENT_STATE_HOVER) ? aPressState : 0;
}
void
nsNativeThemeCocoa::GetScrollbarPressStates(nsIFrame* aFrame,
EventStates aButtonStates[])
{
static nsIContent::AttrValuesArray attributeValues[] = {
&nsGkAtoms::scrollbarUpTop,
&nsGkAtoms::scrollbarDownTop,
&nsGkAtoms::scrollbarUpBottom,
&nsGkAtoms::scrollbarDownBottom,
nullptr
};
// Get the state of any scrollbar buttons in our child frames
for (nsIFrame *childFrame = aFrame->GetFirstPrincipalChild();
childFrame;
childFrame = childFrame->GetNextSibling()) {
nsIContent *childContent = childFrame->GetContent();
if (!childContent) continue;
int32_t attrIndex = childContent->FindAttrValueIn(kNameSpaceID_None, nsGkAtoms::sbattr,
attributeValues, eCaseMatters);
if (attrIndex < 0) continue;
aButtonStates[attrIndex] = GetContentState(childFrame, NS_THEME_BUTTON);
}
}
// Both of the following sets of numbers were derived by loading the testcase in
// bmo bug 380185 in Safari and observing its behavior for various heights of scrollbar.
// These magic numbers are the minimum sizes we can draw a scrollbar and still
// have room for everything to display, including the thumb
#define MIN_SCROLLBAR_SIZE_WITH_THUMB 61
#define MIN_SMALL_SCROLLBAR_SIZE_WITH_THUMB 49
// And these are the minimum sizes if we don't draw the thumb
#define MIN_SCROLLBAR_SIZE 56
#define MIN_SMALL_SCROLLBAR_SIZE 46
void
nsNativeThemeCocoa::GetScrollbarDrawInfo(HIThemeTrackDrawInfo& aTdi, nsIFrame *aFrame,
const CGSize& aSize, bool aShouldGetButtonStates)
{
NS_OBJC_BEGIN_TRY_ABORT_BLOCK;
int32_t curpos = CheckIntAttr(aFrame, nsGkAtoms::curpos, 0);
int32_t minpos = CheckIntAttr(aFrame, nsGkAtoms::minpos, 0);
int32_t maxpos = CheckIntAttr(aFrame, nsGkAtoms::maxpos, 100);
int32_t thumbSize = CheckIntAttr(aFrame, nsGkAtoms::pageincrement, 10);
bool isHorizontal = aFrame->GetContent()->AttrValueIs(kNameSpaceID_None, nsGkAtoms::orient,
nsGkAtoms::horizontal, eCaseMatters);
bool isSmall = aFrame->StyleDisplay()->mAppearance == NS_THEME_SCROLLBAR_SMALL;
aTdi.version = 0;
aTdi.kind = isSmall ? kThemeSmallScrollBar : kThemeMediumScrollBar;
aTdi.bounds.origin = CGPointZero;
aTdi.bounds.size = aSize;
aTdi.min = minpos;
aTdi.max = maxpos;
aTdi.value = curpos;
aTdi.attributes = 0;
aTdi.enableState = kThemeTrackActive;
if (isHorizontal)
aTdi.attributes |= kThemeTrackHorizontal;
aTdi.trackInfo.scrollbar.viewsize = (SInt32)thumbSize;
// This should be done early on so things like "kThemeTrackNothingToScroll" can
// override the active enable state.
aTdi.enableState = FrameIsInActiveWindow(aFrame) ? kThemeTrackActive : kThemeTrackInactive;
/* Only display features if we have enough room for them.
* Gecko still maintains the scrollbar info; this is just a visual issue (bug 380185).
*/
int32_t longSideLength = (int32_t)(isHorizontal ? (aSize.width) : (aSize.height));
if (longSideLength >= (isSmall ? MIN_SMALL_SCROLLBAR_SIZE_WITH_THUMB : MIN_SCROLLBAR_SIZE_WITH_THUMB)) {
aTdi.attributes |= kThemeTrackShowThumb;
}
else if (longSideLength < (isSmall ? MIN_SMALL_SCROLLBAR_SIZE : MIN_SCROLLBAR_SIZE)) {
aTdi.enableState = kThemeTrackNothingToScroll;
return;
}
aTdi.trackInfo.scrollbar.pressState = 0;
// Only go get these scrollbar button states if we need it. For example,
// there's no reason to look up scrollbar button states when we're only
// creating a TrackDrawInfo to determine the size of the thumb. There's
// also no reason to do this on Lion or later, whose scrollbars have no
// arrow buttons.
if (aShouldGetButtonStates && !nsCocoaFeatures::OnLionOrLater()) {
EventStates buttonStates[4];
GetScrollbarPressStates(aFrame, buttonStates);
NSString *buttonPlacement = [[NSUserDefaults standardUserDefaults] objectForKey:@"AppleScrollBarVariant"];
// It seems that unless all four buttons are showing, kThemeTopOutsideArrowPressed is the correct constant for
// the up scrollbar button.
if ([buttonPlacement isEqualToString:@"DoubleBoth"]) {
aTdi.trackInfo.scrollbar.pressState = ConvertToPressState(buttonStates[0], kThemeTopOutsideArrowPressed) |
ConvertToPressState(buttonStates[1], kThemeTopInsideArrowPressed) |
ConvertToPressState(buttonStates[2], kThemeBottomInsideArrowPressed) |
ConvertToPressState(buttonStates[3], kThemeBottomOutsideArrowPressed);
} else {
aTdi.trackInfo.scrollbar.pressState = ConvertToPressState(buttonStates[0], kThemeTopOutsideArrowPressed) |
ConvertToPressState(buttonStates[1], kThemeBottomOutsideArrowPressed) |
ConvertToPressState(buttonStates[2], kThemeTopOutsideArrowPressed) |
ConvertToPressState(buttonStates[3], kThemeBottomOutsideArrowPressed);
}
}
NS_OBJC_END_TRY_ABORT_BLOCK;
}
static void
RenderScrollbar(CGContextRef cgContext, const HIRect& aRenderRect, void* aData)
{
HIThemeTrackDrawInfo* tdi = (HIThemeTrackDrawInfo*)aData;
HIThemeDrawTrack(tdi, NULL, cgContext, HITHEME_ORIENTATION);
}
void
nsNativeThemeCocoa::DrawScrollbar(CGContextRef aCGContext, const HIRect& aBoxRect, nsIFrame *aFrame)
{
NS_OBJC_BEGIN_TRY_ABORT_BLOCK;
HIThemeTrackDrawInfo tdi;
GetScrollbarDrawInfo(tdi, aFrame, aBoxRect.size, true); // True means we want the press states
RenderTransformedHIThemeControl(aCGContext, aBoxRect, RenderScrollbar, &tdi);
NS_OBJC_END_TRY_ABORT_BLOCK;
}
nsIFrame*
nsNativeThemeCocoa::GetParentScrollbarFrame(nsIFrame *aFrame)
{
// Walk our parents to find a scrollbar frame
nsIFrame *scrollbarFrame = aFrame;
do {
if (scrollbarFrame->GetType() == nsGkAtoms::scrollbarFrame) break;
} while ((scrollbarFrame = scrollbarFrame->GetParent()));
// We return null if we can't find a parent scrollbar frame
return scrollbarFrame;
}
static bool
ToolbarCanBeUnified(CGContextRef cgContext, const HIRect& inBoxRect, NSWindow* aWindow)
{
if (![aWindow isKindOfClass:[ToolbarWindow class]])
return false;
ToolbarWindow* win = (ToolbarWindow*)aWindow;
float unifiedToolbarHeight = [win unifiedToolbarHeight];
return inBoxRect.origin.x == 0 &&
inBoxRect.size.width >= [win frame].size.width &&
CGRectGetMaxY(inBoxRect) <= unifiedToolbarHeight;
}
// By default, kCUIWidgetWindowFrame drawing draws rounded corners in the
// upper corners. Depending on the context type, it fills the background in
// the corners with black or leaves it transparent. Unfortunately, this corner
// rounding interacts poorly with the window corner masking we apply during
// titlebar drawing and results in small remnants of the corner background
// appearing at the rounded edge.
// So we draw square corners.
static void
DrawNativeTitlebarToolbarWithSquareCorners(CGContextRef aContext, const CGRect& aRect,
CGFloat aUnifiedHeight, BOOL aIsMain, BOOL aIsFlipped)
{
// We extend the draw rect horizontally and clip away the rounded corners.
const CGFloat extendHorizontal = 10;
CGRect drawRect = CGRectInset(aRect, -extendHorizontal, 0);
CGContextSaveGState(aContext);
CGContextClipToRect(aContext, aRect);
RenderWithCoreUI(drawRect, aContext,
[NSDictionary dictionaryWithObjectsAndKeys:
@"kCUIWidgetWindowFrame", @"widget",
@"regularwin", @"windowtype",
(aIsMain ? @"normal" : @"inactive"), @"state",
[NSNumber numberWithDouble:aUnifiedHeight], @"kCUIWindowFrameUnifiedTitleBarHeightKey",
[NSNumber numberWithBool:YES], @"kCUIWindowFrameDrawTitleSeparatorKey",
[NSNumber numberWithBool:aIsFlipped], @"is.flipped",
nil]);
CGContextRestoreGState(aContext);
}
void
nsNativeThemeCocoa::DrawUnifiedToolbar(CGContextRef cgContext, const HIRect& inBoxRect,
NSWindow* aWindow)
{
NS_OBJC_BEGIN_TRY_ABORT_BLOCK;
CGContextSaveGState(cgContext);
CGContextClipToRect(cgContext, inBoxRect);
CGFloat unifiedHeight = std::max([(ToolbarWindow*)aWindow unifiedToolbarHeight],
inBoxRect.size.height);
BOOL isMain = [aWindow isMainWindow];
CGFloat titlebarHeight = unifiedHeight - inBoxRect.size.height;
CGRect drawRect = CGRectMake(inBoxRect.origin.x, inBoxRect.origin.y - titlebarHeight,
inBoxRect.size.width, inBoxRect.size.height + titlebarHeight);
DrawNativeTitlebarToolbarWithSquareCorners(cgContext, drawRect, unifiedHeight, isMain, YES);
CGContextRestoreGState(cgContext);
NS_OBJC_END_TRY_ABORT_BLOCK;
}
void
nsNativeThemeCocoa::DrawStatusBar(CGContextRef cgContext, const HIRect& inBoxRect,
nsIFrame *aFrame)
{
NS_OBJC_BEGIN_TRY_ABORT_BLOCK;
if (inBoxRect.size.height < 2.0f)
return;
CGContextSaveGState(cgContext);
CGContextClipToRect(cgContext, inBoxRect);
// kCUIWidgetWindowFrame draws a complete window frame with both title bar
// and bottom bar. We only want the bottom bar, so we extend the draw rect
// upwards to make space for the title bar, and then we clip it away.
CGRect drawRect = inBoxRect;
const int extendUpwards = 40;
drawRect.origin.y -= extendUpwards;
drawRect.size.height += extendUpwards;
RenderWithCoreUI(drawRect, cgContext,
[NSDictionary dictionaryWithObjectsAndKeys:
@"kCUIWidgetWindowFrame", @"widget",
@"regularwin", @"windowtype",
(IsActive(aFrame, YES) ? @"normal" : @"inactive"), @"state",
[NSNumber numberWithInt:inBoxRect.size.height], @"kCUIWindowFrameBottomBarHeightKey",
[NSNumber numberWithBool:YES], @"kCUIWindowFrameDrawBottomBarSeparatorKey",
[NSNumber numberWithBool:YES], @"is.flipped",
nil]);
CGContextRestoreGState(cgContext);
NS_OBJC_END_TRY_ABORT_BLOCK;
}
void
nsNativeThemeCocoa::DrawNativeTitlebar(CGContextRef aContext, CGRect aTitlebarRect,
CGFloat aUnifiedHeight, BOOL aIsMain, BOOL aIsFlipped)
{
CGFloat unifiedHeight = std::max(aUnifiedHeight, aTitlebarRect.size.height);
DrawNativeTitlebarToolbarWithSquareCorners(aContext, aTitlebarRect, unifiedHeight, aIsMain, aIsFlipped);
}
static void
RenderResizer(CGContextRef cgContext, const HIRect& aRenderRect, void* aData)
{
HIThemeGrowBoxDrawInfo* drawInfo = (HIThemeGrowBoxDrawInfo*)aData;
HIThemeDrawGrowBox(&CGPointZero, drawInfo, cgContext, kHIThemeOrientationNormal);
}
void
nsNativeThemeCocoa::DrawResizer(CGContextRef cgContext, const HIRect& aRect,
nsIFrame *aFrame)
{
NS_OBJC_BEGIN_TRY_ABORT_BLOCK;
HIThemeGrowBoxDrawInfo drawInfo;
drawInfo.version = 0;
drawInfo.state = kThemeStateActive;
drawInfo.kind = kHIThemeGrowBoxKindNormal;
drawInfo.direction = kThemeGrowRight | kThemeGrowDown;
drawInfo.size = kHIThemeGrowBoxSizeNormal;
RenderTransformedHIThemeControl(cgContext, aRect, RenderResizer, &drawInfo,
IsFrameRTL(aFrame));
NS_OBJC_END_TRY_ABORT_BLOCK;
}
static bool
ScrollbarTrackAndThumbDrawSeparately()
{
return nsLookAndFeel::UseOverlayScrollbars() || nsCocoaFeatures::OnLionOrLater();
}
bool
nsNativeThemeCocoa::IsParentScrollbarRolledOver(nsIFrame* aFrame)
{
nsIFrame* scrollbarFrame = GetParentScrollbarFrame(aFrame);
return nsLookAndFeel::UseOverlayScrollbars()
? CheckBooleanAttr(scrollbarFrame, nsGkAtoms::hover)
: GetContentState(scrollbarFrame, NS_THEME_NONE).HasState(NS_EVENT_STATE_HOVER);
}
static bool
IsHiDPIContext(nsPresContext* aContext)
{
return nsPresContext::AppUnitsPerCSSPixel() >=
2 * aContext->DeviceContext()->UnscaledAppUnitsPerDevPixel();
}
NS_IMETHODIMP
nsNativeThemeCocoa::DrawWidgetBackground(nsRenderingContext* aContext,
nsIFrame* aFrame,
uint8_t aWidgetType,
const nsRect& aRect,
const nsRect& aDirtyRect)
{
NS_OBJC_BEGIN_TRY_ABORT_BLOCK_NSRESULT;
// setup to draw into the correct port
int32_t p2a = aFrame->PresContext()->AppUnitsPerDevPixel();
gfxRect nativeDirtyRect(aDirtyRect.x, aDirtyRect.y,
aDirtyRect.width, aDirtyRect.height);
gfxRect nativeWidgetRect(aRect.x, aRect.y, aRect.width, aRect.height);
nativeWidgetRect.ScaleInverse(gfxFloat(p2a));
nativeDirtyRect.ScaleInverse(gfxFloat(p2a));
nativeWidgetRect.Round();
if (nativeWidgetRect.IsEmpty())
return NS_OK; // Don't attempt to draw invisible widgets.
gfxContext* thebesCtx = aContext->ThebesContext();
if (!thebesCtx)
return NS_ERROR_FAILURE;
gfxContextMatrixAutoSaveRestore save(thebesCtx);
bool hidpi = IsHiDPIContext(aFrame->PresContext());
if (hidpi) {
// Use high-resolution drawing.
nativeWidgetRect.ScaleInverse(2.0f);
nativeDirtyRect.ScaleInverse(2.0f);
thebesCtx->SetMatrix(
thebesCtx->CurrentMatrix().Scale(2.0f, 2.0f));
}
gfxQuartzNativeDrawing nativeDrawing(thebesCtx, nativeDirtyRect);
CGContextRef cgContext = nativeDrawing.BeginNativeDrawing();
if (cgContext == nullptr) {
// The Quartz surface handles 0x0 surfaces by internally
// making all operations no-ops; there's no cgcontext created for them.
// Unfortunately, this means that callers that want to render
// directly to the CGContext need to be aware of this quirk.
return NS_OK;
}
if (hidpi) {
// Set the context's "base transform" to in order to get correctly-sized focus rings.
CGContextSetBaseCTM(cgContext, CGAffineTransformMakeScale(2, 2));
}
#if 0
if (1 /*aWidgetType == NS_THEME_TEXTFIELD*/) {
fprintf(stderr, "Native theme drawing widget %d [%p] dis:%d in rect [%d %d %d %d]\n",
aWidgetType, aFrame, IsDisabled(aFrame), aRect.x, aRect.y, aRect.width, aRect.height);
fprintf(stderr, "Cairo matrix: [%f %f %f %f %f %f]\n",
mat._11, mat._12, mat._21, mat._22, mat._31, mat._32);
fprintf(stderr, "Native theme xform[0]: [%f %f %f %f %f %f]\n",
mm0.a, mm0.b, mm0.c, mm0.d, mm0.tx, mm0.ty);
CGAffineTransform mm = CGContextGetCTM(cgContext);
fprintf(stderr, "Native theme xform[1]: [%f %f %f %f %f %f]\n",
mm.a, mm.b, mm.c, mm.d, mm.tx, mm.ty);
}
#endif
CGRect macRect = CGRectMake(nativeWidgetRect.X(), nativeWidgetRect.Y(),
nativeWidgetRect.Width(), nativeWidgetRect.Height());
#if 0
fprintf(stderr, " --> macRect %f %f %f %f\n",
macRect.origin.x, macRect.origin.y, macRect.size.width, macRect.size.height);
CGRect bounds = CGContextGetClipBoundingBox(cgContext);
fprintf(stderr, " --> clip bounds: %f %f %f %f\n",
bounds.origin.x, bounds.origin.y, bounds.size.width, bounds.size.height);
//CGContextSetRGBFillColor(cgContext, 0.0, 0.0, 1.0, 0.1);
//CGContextFillRect(cgContext, bounds);
#endif
EventStates eventState = GetContentState(aFrame, aWidgetType);
switch (aWidgetType) {
case NS_THEME_DIALOG: {
HIThemeSetFill(kThemeBrushDialogBackgroundActive, NULL, cgContext, HITHEME_ORIENTATION);
CGContextFillRect(cgContext, macRect);
}
break;
case NS_THEME_MENUPOPUP: {
HIThemeMenuDrawInfo mdi;
memset(&mdi, 0, sizeof(mdi));
mdi.version = 0;
mdi.menuType = IsDisabled(aFrame, eventState) ?
static_cast<ThemeMenuType>(kThemeMenuTypeInactive) :
static_cast<ThemeMenuType>(kThemeMenuTypePopUp);
bool isLeftOfParent = false;
if (IsSubmenu(aFrame, &isLeftOfParent) && !isLeftOfParent) {
mdi.menuType = kThemeMenuTypeHierarchical;
}
// The rounded corners draw outside the frame.
CGRect deflatedRect = CGRectMake(macRect.origin.x, macRect.origin.y + 4,
macRect.size.width, macRect.size.height - 8);
HIThemeDrawMenuBackground(&deflatedRect, &mdi, cgContext, HITHEME_ORIENTATION);
}
break;
case NS_THEME_MENUITEM:
case NS_THEME_CHECKMENUITEM: {
SurfaceFormat format = thebesCtx->GetDrawTarget()->GetFormat();
bool isTransparent = (format == SurfaceFormat::R8G8B8A8) ||
(format == SurfaceFormat::B8G8R8A8);
if (isTransparent) {
// Clear the background to get correct transparency.
CGContextClearRect(cgContext, macRect);
}
// maybe use kThemeMenuItemHierBackground or PopUpBackground instead of just Plain?
HIThemeMenuItemDrawInfo drawInfo;
memset(&drawInfo, 0, sizeof(drawInfo));
drawInfo.version = 0;
drawInfo.itemType = kThemeMenuItemPlain;
drawInfo.state = (IsDisabled(aFrame, eventState) ?
static_cast<ThemeMenuState>(kThemeMenuDisabled) :
CheckBooleanAttr(aFrame, nsGkAtoms::menuactive) ?
static_cast<ThemeMenuState>(kThemeMenuSelected) :
static_cast<ThemeMenuState>(kThemeMenuActive));
// XXX pass in the menu rect instead of always using the item rect
HIRect ignored;
HIThemeDrawMenuItem(&macRect, &macRect, &drawInfo, cgContext, HITHEME_ORIENTATION, &ignored);
if (aWidgetType == NS_THEME_CHECKMENUITEM) {
DrawMenuIcon(cgContext, macRect, eventState, aFrame, kCheckmarkSize, kCheckmarkImage);
}
}
break;
case NS_THEME_MENUSEPARATOR: {
ThemeMenuState menuState;
if (IsDisabled(aFrame, eventState)) {
menuState = kThemeMenuDisabled;
}
else {
menuState = CheckBooleanAttr(aFrame, nsGkAtoms::menuactive) ?
kThemeMenuSelected : kThemeMenuActive;
}
HIThemeMenuItemDrawInfo midi = { 0, kThemeMenuItemPlain, menuState };
HIThemeDrawMenuSeparator(&macRect, &macRect, &midi, cgContext, HITHEME_ORIENTATION);
}
break;
case NS_THEME_TOOLTIP:
if (nsCocoaFeatures::OnYosemiteOrLater()) {
CGContextSetRGBFillColor(cgContext, 0.945, 0.942, 0.945, 0.950);
} else {
CGContextSetRGBFillColor(cgContext, 0.996, 1.000, 0.792, 0.950);
}
CGContextFillRect(cgContext, macRect);
break;
case NS_THEME_CHECKBOX:
case NS_THEME_RADIO: {
bool isCheckbox = (aWidgetType == NS_THEME_CHECKBOX);
DrawCheckboxOrRadio(cgContext, isCheckbox, macRect, GetCheckedOrSelected(aFrame, !isCheckbox),
eventState, aFrame);
}
break;
case NS_THEME_BUTTON:
if (IsDefaultButton(aFrame)) {
if (!IsDisabled(aFrame, eventState) && FrameIsInActiveWindow(aFrame) &&
!QueueAnimatedContentForRefresh(aFrame->GetContent(), 10)) {
NS_WARNING("Unable to animate button!");
}
DrawButton(cgContext, kThemePushButton, macRect, true,
kThemeButtonOff, kThemeAdornmentNone, eventState, aFrame);
} else if (IsButtonTypeMenu(aFrame)) {
DrawDropdown(cgContext, macRect, eventState, aWidgetType, aFrame);
} else {
DrawPushButton(cgContext, macRect, eventState, aWidgetType, aFrame);
}
break;
case NS_THEME_FOCUS_OUTLINE:
DrawFocusOutline(cgContext, macRect, eventState, aWidgetType, aFrame);
break;
case NS_THEME_MOZ_MAC_HELP_BUTTON:
DrawPushButton(cgContext, macRect, eventState, aWidgetType, aFrame);
break;
case NS_THEME_BUTTON_BEVEL:
DrawButton(cgContext, kThemeMediumBevelButton, macRect,
IsDefaultButton(aFrame), kThemeButtonOff, kThemeAdornmentNone,
eventState, aFrame);
break;
case NS_THEME_SPINNER: {
nsIContent* content = aFrame->GetContent();
if (content->IsHTML()) {
// In HTML the theming for the spin buttons is drawn individually into
// their own backgrounds instead of being drawn into the background of
// their spinner parent as it is for XUL.
break;
}
ThemeDrawState state = kThemeStateActive;
if (content->AttrValueIs(kNameSpaceID_None, nsGkAtoms::state,
NS_LITERAL_STRING("up"), eCaseMatters)) {
state = kThemeStatePressedUp;
}
else if (content->AttrValueIs(kNameSpaceID_None, nsGkAtoms::state,
NS_LITERAL_STRING("down"), eCaseMatters)) {
state = kThemeStatePressedDown;
}
DrawSpinButtons(cgContext, kThemeIncDecButton, macRect, state,
kThemeAdornmentNone, eventState, aFrame);
}
break;
case NS_THEME_SPINNER_UP_BUTTON:
case NS_THEME_SPINNER_DOWN_BUTTON: {
nsNumberControlFrame* numberControlFrame =
nsNumberControlFrame::GetNumberControlFrameForSpinButton(aFrame);
if (numberControlFrame) {
ThemeDrawState state = kThemeStateActive;
if (numberControlFrame->SpinnerUpButtonIsDepressed()) {
state = kThemeStatePressedUp;
} else if (numberControlFrame->SpinnerDownButtonIsDepressed()) {
state = kThemeStatePressedDown;
}
DrawSpinButton(cgContext, kThemeIncDecButtonMini, macRect, state,
kThemeAdornmentNone, eventState, aFrame, aWidgetType);
}
}
break;
case NS_THEME_TOOLBAR_BUTTON:
DrawSegment(cgContext, macRect, eventState, aFrame, toolbarButtonRenderSettings);
break;
case NS_THEME_TOOLBAR_SEPARATOR: {
HIThemeSeparatorDrawInfo sdi = { 0, kThemeStateActive };
HIThemeDrawSeparator(&macRect, &sdi, cgContext, HITHEME_ORIENTATION);
}
break;
case NS_THEME_MOZ_MAC_UNIFIED_TOOLBAR:
case NS_THEME_TOOLBAR: {
NSWindow* win = NativeWindowForFrame(aFrame);
if (ToolbarCanBeUnified(cgContext, macRect, win)) {
DrawUnifiedToolbar(cgContext, macRect, win);
break;
}
BOOL isMain = [win isMainWindow];
CGRect drawRect = macRect;
// top border
drawRect.size.height = 1.0f;
DrawNativeGreyColorInRect(cgContext, toolbarTopBorderGrey, drawRect, isMain);
// background
drawRect.origin.y += drawRect.size.height;
drawRect.size.height = macRect.size.height - 2.0f;
DrawNativeGreyColorInRect(cgContext, toolbarFillGrey, drawRect, isMain);
// bottom border
drawRect.origin.y += drawRect.size.height;
drawRect.size.height = 1.0f;
DrawNativeGreyColorInRect(cgContext, toolbarBottomBorderGrey, drawRect, isMain);
}
break;
case NS_THEME_WINDOW_TITLEBAR: {
NSWindow* win = NativeWindowForFrame(aFrame);
BOOL isMain = [win isMainWindow];
float unifiedToolbarHeight = [win isKindOfClass:[ToolbarWindow class]] ?
[(ToolbarWindow*)win unifiedToolbarHeight] : macRect.size.height;
DrawNativeTitlebar(cgContext, macRect, unifiedToolbarHeight, isMain, YES);
}
break;
case NS_THEME_TOOLBOX: {
HIThemeHeaderDrawInfo hdi = { 0, kThemeStateActive, kHIThemeHeaderKindWindow };
HIThemeDrawHeader(&macRect, &hdi, cgContext, HITHEME_ORIENTATION);
}
break;
case NS_THEME_STATUSBAR:
DrawStatusBar(cgContext, macRect, aFrame);
break;
case NS_THEME_DROPDOWN:
case NS_THEME_DROPDOWN_TEXTFIELD:
DrawDropdown(cgContext, macRect, eventState, aWidgetType, aFrame);
break;
case NS_THEME_DROPDOWN_BUTTON:
DrawButton(cgContext, kThemeArrowButton, macRect, false, kThemeButtonOn,
kThemeAdornmentArrowDownArrow, eventState, aFrame);
break;
case NS_THEME_GROUPBOX: {
HIThemeGroupBoxDrawInfo gdi = { 0, kThemeStateActive, kHIThemeGroupBoxKindPrimary };
HIThemeDrawGroupBox(&macRect, &gdi, cgContext, HITHEME_ORIENTATION);
break;
}
case NS_THEME_TEXTFIELD:
case NS_THEME_NUMBER_INPUT:
// HIThemeSetFill is not available on 10.3
CGContextSetRGBFillColor(cgContext, 1.0, 1.0, 1.0, 1.0);
CGContextFillRect(cgContext, macRect);
// XUL textboxes set the native appearance on the containing box, while
// concrete focus is set on the html:input element within it. We can
// though, check the focused attribute of xul textboxes in this case.
// On Mac, focus rings are always shown for textboxes, so we do not need
// to check the window's focus ring state here
if (aFrame->GetContent()->IsXUL() && IsFocused(aFrame)) {
eventState |= NS_EVENT_STATE_FOCUS;
}
DrawFrame(cgContext, kHIThemeFrameTextFieldSquare, macRect,
IsDisabled(aFrame, eventState) || IsReadOnly(aFrame), eventState);
break;
case NS_THEME_SEARCHFIELD:
DrawSearchField(cgContext, macRect, aFrame, eventState);
break;
case NS_THEME_PROGRESSBAR:
{
double value = GetProgressValue(aFrame);
double maxValue = GetProgressMaxValue(aFrame);
// Don't request repaints for scrollbars at 100% because those don't animate.
if (value < maxValue) {
if (!QueueAnimatedContentForRefresh(aFrame->GetContent(), 30)) {
NS_WARNING("Unable to animate progressbar!");
}
}
DrawProgress(cgContext, macRect, IsIndeterminateProgress(aFrame, eventState),
aFrame->StyleDisplay()->mOrient != NS_STYLE_ORIENT_VERTICAL,
value, maxValue, aFrame);
break;
}
case NS_THEME_PROGRESSBAR_VERTICAL:
DrawProgress(cgContext, macRect, IsIndeterminateProgress(aFrame, eventState),
false, GetProgressValue(aFrame),
GetProgressMaxValue(aFrame), aFrame);
break;
case NS_THEME_METERBAR:
DrawMeter(cgContext, macRect, aFrame);
break;
case NS_THEME_PROGRESSBAR_CHUNK:
case NS_THEME_PROGRESSBAR_CHUNK_VERTICAL:
case NS_THEME_METERBAR_CHUNK:
// Do nothing: progress and meter bars cases will draw chunks.
break;
case NS_THEME_TREEVIEW_TWISTY:
DrawButton(cgContext, kThemeDisclosureButton, macRect, false,
kThemeDisclosureRight, kThemeAdornmentNone, eventState, aFrame);
break;
case NS_THEME_TREEVIEW_TWISTY_OPEN:
DrawButton(cgContext, kThemeDisclosureButton, macRect, false,
kThemeDisclosureDown, kThemeAdornmentNone, eventState, aFrame);
break;
case NS_THEME_TREEVIEW_HEADER_CELL: {
TreeSortDirection sortDirection = GetTreeSortDirection(aFrame);
DrawButton(cgContext, kThemeListHeaderButton, macRect, false,
sortDirection == eTreeSortDirection_Natural ? kThemeButtonOff : kThemeButtonOn,
sortDirection == eTreeSortDirection_Ascending ?
kThemeAdornmentHeaderButtonSortUp : kThemeAdornmentNone, eventState, aFrame);
}
break;
case NS_THEME_TREEVIEW_TREEITEM:
case NS_THEME_TREEVIEW:
// HIThemeSetFill is not available on 10.3
// HIThemeSetFill(kThemeBrushWhite, NULL, cgContext, HITHEME_ORIENTATION);
CGContextSetRGBFillColor(cgContext, 1.0, 1.0, 1.0, 1.0);
CGContextFillRect(cgContext, macRect);
break;
case NS_THEME_TREEVIEW_HEADER:
// do nothing, taken care of by individual header cells
case NS_THEME_TREEVIEW_HEADER_SORTARROW:
// do nothing, taken care of by treeview header
case NS_THEME_TREEVIEW_LINE:
// do nothing, these lines don't exist on macos
break;
case NS_THEME_SCALE_HORIZONTAL:
case NS_THEME_SCALE_VERTICAL: {
int32_t curpos = CheckIntAttr(aFrame, nsGkAtoms::curpos, 0);
int32_t minpos = CheckIntAttr(aFrame, nsGkAtoms::minpos, 0);
int32_t maxpos = CheckIntAttr(aFrame, nsGkAtoms::maxpos, 100);
if (!maxpos)
maxpos = 100;
bool reverse = aFrame->GetContent()->
AttrValueIs(kNameSpaceID_None, nsGkAtoms::dir,
NS_LITERAL_STRING("reverse"), eCaseMatters);
DrawScale(cgContext, macRect, eventState,
(aWidgetType == NS_THEME_SCALE_VERTICAL), reverse,
curpos, minpos, maxpos, aFrame);
}
break;
case NS_THEME_SCALE_THUMB_HORIZONTAL:
case NS_THEME_SCALE_THUMB_VERTICAL:
// do nothing, drawn by scale
break;
case NS_THEME_RANGE: {
nsRangeFrame *rangeFrame = do_QueryFrame(aFrame);
if (!rangeFrame) {
break;
}
// DrawScale requires integer min, max and value. This is purely for
// drawing, so we normalize to a range 0-1000 here.
int32_t value = int32_t(rangeFrame->GetValueAsFractionOfRange() * 1000);
int32_t min = 0;
int32_t max = 1000;
bool isVertical = !IsRangeHorizontal(aFrame);
bool reverseDir =
isVertical ||
rangeFrame->StyleVisibility()->mDirection == NS_STYLE_DIRECTION_RTL;
DrawScale(cgContext, macRect, eventState, isVertical, reverseDir,
value, min, max, aFrame);
break;
}
case NS_THEME_SCROLLBAR_SMALL:
case NS_THEME_SCROLLBAR:
if (!ScrollbarTrackAndThumbDrawSeparately()) {
DrawScrollbar(cgContext, macRect, aFrame);
}
break;
case NS_THEME_SCROLLBAR_THUMB_VERTICAL:
case NS_THEME_SCROLLBAR_THUMB_HORIZONTAL:
if (ScrollbarTrackAndThumbDrawSeparately()) {
BOOL isOverlay = nsLookAndFeel::UseOverlayScrollbars();
BOOL isHorizontal = (aWidgetType == NS_THEME_SCROLLBAR_THUMB_HORIZONTAL);
BOOL isRolledOver = IsParentScrollbarRolledOver(aFrame);
if (isOverlay && (!nsCocoaFeatures::OnMountainLionOrLater() || !isRolledOver)) {
if (isHorizontal) {
macRect.origin.y += 4;
macRect.size.height -= 4;
} else {
if (aFrame->StyleVisibility()->mDirection !=
NS_STYLE_DIRECTION_RTL) {
macRect.origin.x += 4;
}
macRect.size.width -= 4;
}
}
const BOOL isOnTopOfDarkBackground = IsDarkBackground(aFrame);
// Scrollbar thumbs have a too high minimum width when rendered through
// NSAppearance on 10.10, so we call RenderWithCoreUILegacy here.
RenderWithCoreUILegacy(macRect, cgContext,
[NSDictionary dictionaryWithObjectsAndKeys:
(isOverlay ? @"kCUIWidgetOverlayScrollBar" : @"scrollbar"), @"widget",
@"regular", @"size",
(isRolledOver ? @"rollover" : @"normal"), @"state",
(isHorizontal ? @"kCUIOrientHorizontal" : @"kCUIOrientVertical"), @"kCUIOrientationKey",
(isOnTopOfDarkBackground ? @"kCUIVariantWhite" : @""), @"kCUIVariantKey",
[NSNumber numberWithBool:YES], @"indiconly",
[NSNumber numberWithBool:YES], @"kCUIThumbProportionKey",
[NSNumber numberWithBool:YES], @"is.flipped",
nil]);
}
break;
case NS_THEME_SCROLLBAR_BUTTON_UP:
case NS_THEME_SCROLLBAR_BUTTON_LEFT:
#if SCROLLBARS_VISUAL_DEBUG
CGContextSetRGBFillColor(cgContext, 1.0, 0, 0, 0.6);
CGContextFillRect(cgContext, macRect);
#endif
break;
case NS_THEME_SCROLLBAR_BUTTON_DOWN:
case NS_THEME_SCROLLBAR_BUTTON_RIGHT:
#if SCROLLBARS_VISUAL_DEBUG
CGContextSetRGBFillColor(cgContext, 0, 1.0, 0, 0.6);
CGContextFillRect(cgContext, macRect);
#endif
break;
case NS_THEME_SCROLLBAR_TRACK_HORIZONTAL:
case NS_THEME_SCROLLBAR_TRACK_VERTICAL:
if (ScrollbarTrackAndThumbDrawSeparately()) {
BOOL isOverlay = nsLookAndFeel::UseOverlayScrollbars();
if (!isOverlay || IsParentScrollbarRolledOver(aFrame)) {
BOOL isHorizontal = (aWidgetType == NS_THEME_SCROLLBAR_TRACK_HORIZONTAL);
if (isOverlay && !nsCocoaFeatures::OnMountainLionOrLater()) {
// On OSX 10.7, scrollbars don't grow when hovered.
// The adjustments below were obtained by trial and error.
if (isHorizontal) {
macRect.origin.y += 2.0;
} else {
if (aFrame->StyleVisibility()->mDirection !=
NS_STYLE_DIRECTION_RTL) {
macRect.origin.x += 3.0;
} else {
macRect.origin.x -= 1.0;
}
}
}
const BOOL isOnTopOfDarkBackground = IsDarkBackground(aFrame);
RenderWithCoreUILegacy(macRect, cgContext,
[NSDictionary dictionaryWithObjectsAndKeys:
(isOverlay ? @"kCUIWidgetOverlayScrollBar" : @"scrollbar"), @"widget",
@"regular", @"size",
(isHorizontal ? @"kCUIOrientHorizontal" : @"kCUIOrientVertical"), @"kCUIOrientationKey",
(isOnTopOfDarkBackground ? @"kCUIVariantWhite" : @""), @"kCUIVariantKey",
[NSNumber numberWithBool:YES], @"noindicator",
[NSNumber numberWithBool:YES], @"kCUIThumbProportionKey",
[NSNumber numberWithBool:YES], @"is.flipped",
nil]);
}
}
break;
case NS_THEME_TEXTFIELD_MULTILINE: {
// we have to draw this by hand because there is no HITheme value for it
CGContextSetRGBFillColor(cgContext, 1.0, 1.0, 1.0, 1.0);
CGContextFillRect(cgContext, macRect);
CGContextSetLineWidth(cgContext, 1.0);
CGContextSetShouldAntialias(cgContext, false);
// stroke everything but the top line of the text area
CGContextSetRGBStrokeColor(cgContext, 0.6, 0.6, 0.6, 1.0);
CGContextBeginPath(cgContext);
CGContextMoveToPoint(cgContext, macRect.origin.x, macRect.origin.y + 1);
CGContextAddLineToPoint(cgContext, macRect.origin.x, macRect.origin.y + macRect.size.height);
CGContextAddLineToPoint(cgContext, macRect.origin.x + macRect.size.width - 1, macRect.origin.y + macRect.size.height);
CGContextAddLineToPoint(cgContext, macRect.origin.x + macRect.size.width - 1, macRect.origin.y + 1);
CGContextStrokePath(cgContext);
// stroke the line across the top of the text area
CGContextSetRGBStrokeColor(cgContext, 0.4510, 0.4510, 0.4510, 1.0);
CGContextBeginPath(cgContext);
CGContextMoveToPoint(cgContext, macRect.origin.x, macRect.origin.y + 1);
CGContextAddLineToPoint(cgContext, macRect.origin.x + macRect.size.width - 1, macRect.origin.y + 1);
CGContextStrokePath(cgContext);
// draw a focus ring
if (eventState.HasState(NS_EVENT_STATE_FOCUS)) {
// We need to bring the rectangle in by 1 pixel on each side.
CGRect cgr = CGRectMake(macRect.origin.x + 1,
macRect.origin.y + 1,
macRect.size.width - 2,
macRect.size.height - 2);
HIThemeDrawFocusRect(&cgr, true, cgContext, kHIThemeOrientationNormal);
}
}
break;
case NS_THEME_LISTBOX: {
// We have to draw this by hand because kHIThemeFrameListBox drawing
// is buggy on 10.5, see bug 579259.
CGContextSetRGBFillColor(cgContext, 1.0, 1.0, 1.0, 1.0);
CGContextFillRect(cgContext, macRect);
// #8E8E8E for the top border, #BEBEBE for the rest.
float x = macRect.origin.x, y = macRect.origin.y;
float w = macRect.size.width, h = macRect.size.height;
CGContextSetRGBFillColor(cgContext, 0.557, 0.557, 0.557, 1.0);
CGContextFillRect(cgContext, CGRectMake(x, y, w, 1));
CGContextSetRGBFillColor(cgContext, 0.745, 0.745, 0.745, 1.0);
CGContextFillRect(cgContext, CGRectMake(x, y + 1, 1, h - 1));
CGContextFillRect(cgContext, CGRectMake(x + w - 1, y + 1, 1, h - 1));
CGContextFillRect(cgContext, CGRectMake(x + 1, y + h - 1, w - 2, 1));
}
break;
case NS_THEME_TAB:
DrawSegment(cgContext, macRect, eventState, aFrame, tabRenderSettings);
break;
case NS_THEME_TAB_PANELS:
DrawTabPanel(cgContext, macRect, aFrame);
break;
case NS_THEME_RESIZER:
DrawResizer(cgContext, macRect, aFrame);
break;
}
if (hidpi) {
// Reset the base CTM.
CGContextSetBaseCTM(cgContext, CGAffineTransformIdentity);
}
nativeDrawing.EndNativeDrawing();
return NS_OK;
NS_OBJC_END_TRY_ABORT_BLOCK_NSRESULT;
}
nsIntMargin
nsNativeThemeCocoa::RTLAwareMargin(const nsIntMargin& aMargin, nsIFrame* aFrame)
{
if (IsFrameRTL(aFrame)) {
// Return a copy of aMargin w/ right & left reversed:
return nsIntMargin(aMargin.top, aMargin.left,
aMargin.bottom, aMargin.right);
}
return aMargin;
}
static const nsIntMargin kAquaDropdownBorder(1, 22, 2, 5);
static const nsIntMargin kAquaComboboxBorder(3, 20, 3, 4);
static const nsIntMargin kAquaSearchfieldBorder(3, 5, 2, 19);
NS_IMETHODIMP
nsNativeThemeCocoa::GetWidgetBorder(nsDeviceContext* aContext,
nsIFrame* aFrame,
uint8_t aWidgetType,
nsIntMargin* aResult)
{
NS_OBJC_BEGIN_TRY_ABORT_BLOCK_NSRESULT;
aResult->SizeTo(0, 0, 0, 0);
switch (aWidgetType) {
case NS_THEME_BUTTON:
{
if (IsButtonTypeMenu(aFrame)) {
*aResult = RTLAwareMargin(kAquaDropdownBorder, aFrame);
} else {
aResult->SizeTo(1, 7, 3, 7);
}
break;
}
case NS_THEME_TOOLBAR_BUTTON:
{
aResult->SizeTo(1, 4, 1, 4);
break;
}
case NS_THEME_CHECKBOX:
case NS_THEME_RADIO:
{
// nsFormControlFrame::GetIntrinsicWidth and nsFormControlFrame::GetIntrinsicHeight
// assume a border width of 2px.
aResult->SizeTo(2, 2, 2, 2);
break;
}
case NS_THEME_DROPDOWN:
case NS_THEME_DROPDOWN_BUTTON:
*aResult = RTLAwareMargin(kAquaDropdownBorder, aFrame);
break;
case NS_THEME_DROPDOWN_TEXTFIELD:
*aResult = RTLAwareMargin(kAquaComboboxBorder, aFrame);
break;
case NS_THEME_NUMBER_INPUT:
case NS_THEME_TEXTFIELD:
{
SInt32 frameOutset = 0;
::GetThemeMetric(kThemeMetricEditTextFrameOutset, &frameOutset);
SInt32 textPadding = 0;
::GetThemeMetric(kThemeMetricEditTextWhitespace, &textPadding);
frameOutset += textPadding;
aResult->SizeTo(frameOutset, frameOutset, frameOutset, frameOutset);
break;
}
case NS_THEME_TEXTFIELD_MULTILINE:
aResult->SizeTo(1, 1, 1, 1);
break;
case NS_THEME_SEARCHFIELD:
*aResult = RTLAwareMargin(kAquaSearchfieldBorder, aFrame);
break;
case NS_THEME_LISTBOX:
{
SInt32 frameOutset = 0;
::GetThemeMetric(kThemeMetricListBoxFrameOutset, &frameOutset);
aResult->SizeTo(frameOutset, frameOutset, frameOutset, frameOutset);
break;
}
case NS_THEME_SCROLLBAR_TRACK_HORIZONTAL:
case NS_THEME_SCROLLBAR_TRACK_VERTICAL:
{
bool isHorizontal = (aWidgetType == NS_THEME_SCROLLBAR_TRACK_HORIZONTAL);
// On Lion and later, scrollbars have no arrows.
if (!nsCocoaFeatures::OnLionOrLater()) {
// There's only an endcap to worry about when both arrows are on the bottom
NSString *buttonPlacement = [[NSUserDefaults standardUserDefaults] objectForKey:@"AppleScrollBarVariant"];
if (!buttonPlacement || [buttonPlacement isEqualToString:@"DoubleMax"]) {
nsIFrame *scrollbarFrame = GetParentScrollbarFrame(aFrame);
if (!scrollbarFrame) return NS_ERROR_FAILURE;
bool isSmall = (scrollbarFrame->StyleDisplay()->mAppearance == NS_THEME_SCROLLBAR_SMALL);
// There isn't a metric for this, so just hardcode a best guess at the value.
// This value is even less exact due to the fact that the endcap is partially concave.
int32_t endcapSize = isSmall ? 5 : 6;
if (isHorizontal)
aResult->SizeTo(0, 0, 0, endcapSize);
else
aResult->SizeTo(endcapSize, 0, 0, 0);
}
}
if (nsLookAndFeel::UseOverlayScrollbars()) {
if (isHorizontal) {
aResult->SizeTo(2, 1, 1, 1);
} else {
aResult->SizeTo(1, 1, 1, 2);
}
}
break;
}
case NS_THEME_STATUSBAR:
aResult->SizeTo(1, 0, 0, 0);
break;
}
if (IsHiDPIContext(aFrame->PresContext())) {
*aResult = *aResult + *aResult; // doubled
}
return NS_OK;
NS_OBJC_END_TRY_ABORT_BLOCK_NSRESULT;
}
// Return false here to indicate that CSS padding values should be used. There is
// no reason to make a distinction between padding and border values, just specify
// whatever values you want in GetWidgetBorder and only use this to return true
// if you want to override CSS padding values.
bool
nsNativeThemeCocoa::GetWidgetPadding(nsDeviceContext* aContext,
nsIFrame* aFrame,
uint8_t aWidgetType,
nsIntMargin* aResult)
{
// We don't want CSS padding being used for certain widgets.
// See bug 381639 for an example of why.
switch (aWidgetType) {
case NS_THEME_BUTTON:
// Radios and checkboxes return a fixed size in GetMinimumWidgetSize
// and have a meaningful baseline, so they can't have
// author-specified padding.
case NS_THEME_CHECKBOX:
case NS_THEME_RADIO:
aResult->SizeTo(0, 0, 0, 0);
return true;
}
return false;
}
bool
nsNativeThemeCocoa::GetWidgetOverflow(nsDeviceContext* aContext, nsIFrame* aFrame,
uint8_t aWidgetType, nsRect* aOverflowRect)
{
int32_t p2a = aFrame->PresContext()->AppUnitsPerDevPixel();
switch (aWidgetType) {
case NS_THEME_BUTTON:
case NS_THEME_MOZ_MAC_HELP_BUTTON:
case NS_THEME_TOOLBAR_BUTTON:
case NS_THEME_NUMBER_INPUT:
case NS_THEME_TEXTFIELD:
case NS_THEME_TEXTFIELD_MULTILINE:
case NS_THEME_SEARCHFIELD:
case NS_THEME_LISTBOX:
case NS_THEME_DROPDOWN:
case NS_THEME_DROPDOWN_BUTTON:
case NS_THEME_DROPDOWN_TEXTFIELD:
case NS_THEME_CHECKBOX:
case NS_THEME_RADIO:
case NS_THEME_TAB:
{
// We assume that the above widgets can draw a focus ring that will be less than
// or equal to 4 pixels thick.
nsIntMargin extraSize = nsIntMargin(MAX_FOCUS_RING_WIDTH,
MAX_FOCUS_RING_WIDTH,
MAX_FOCUS_RING_WIDTH,
MAX_FOCUS_RING_WIDTH);
nsMargin m(NSIntPixelsToAppUnits(extraSize.top, p2a),
NSIntPixelsToAppUnits(extraSize.right, p2a),
NSIntPixelsToAppUnits(extraSize.bottom, p2a),
NSIntPixelsToAppUnits(extraSize.left, p2a));
aOverflowRect->Inflate(m);
return true;
}
case NS_THEME_PROGRESSBAR:
{
// Progress bars draw a 2 pixel white shadow under their progress indicators
nsMargin m(0, 0, NSIntPixelsToAppUnits(2, p2a), 0);
aOverflowRect->Inflate(m);
return true;
}
case NS_THEME_FOCUS_OUTLINE:
{
aOverflowRect->Inflate(NSIntPixelsToAppUnits(2, p2a));
return true;
}
}
return false;
}
static const int32_t kRegularScrollbarThumbMinSize = 26;
static const int32_t kSmallScrollbarThumbMinSize = 26;
NS_IMETHODIMP
nsNativeThemeCocoa::GetMinimumWidgetSize(nsPresContext* aPresContext,
nsIFrame* aFrame,
uint8_t aWidgetType,
nsIntSize* aResult,
bool* aIsOverridable)
{
NS_OBJC_BEGIN_TRY_ABORT_BLOCK_NSRESULT;
aResult->SizeTo(0,0);
*aIsOverridable = true;
switch (aWidgetType) {
case NS_THEME_BUTTON:
{
aResult->SizeTo(pushButtonSettings.minimumSizes[miniControlSize].width,
pushButtonSettings.naturalSizes[miniControlSize].height);
break;
}
case NS_THEME_MOZ_MAC_HELP_BUTTON:
{
aResult->SizeTo(kHelpButtonSize.width, kHelpButtonSize.height);
*aIsOverridable = false;
break;
}
case NS_THEME_TOOLBAR_BUTTON:
{
aResult->SizeTo(0, toolbarButtonHeights[miniControlSize]);
break;
}
case NS_THEME_SPINNER:
case NS_THEME_SPINNER_UP_BUTTON:
case NS_THEME_SPINNER_DOWN_BUTTON:
{
SInt32 buttonHeight = 0, buttonWidth = 0;
if (aFrame->GetContent()->IsXUL()) {
::GetThemeMetric(kThemeMetricLittleArrowsWidth, &buttonWidth);
::GetThemeMetric(kThemeMetricLittleArrowsHeight, &buttonHeight);
} else {
NSSize size =
spinnerSettings.minimumSizes[EnumSizeForCocoaSize(NSMiniControlSize)];
buttonWidth = size.width;
buttonHeight = size.height;
if (aWidgetType != NS_THEME_SPINNER) {
// the buttons are half the height of the spinner
buttonHeight /= 2;
}
}
aResult->SizeTo(buttonWidth, buttonHeight);
*aIsOverridable = true;
break;
}
case NS_THEME_DROPDOWN:
case NS_THEME_DROPDOWN_BUTTON:
{
SInt32 popupHeight = 0;
::GetThemeMetric(kThemeMetricPopupButtonHeight, &popupHeight);
aResult->SizeTo(0, popupHeight);
break;
}
case NS_THEME_NUMBER_INPUT:
case NS_THEME_TEXTFIELD:
case NS_THEME_TEXTFIELD_MULTILINE:
case NS_THEME_SEARCHFIELD:
{
// at minimum, we should be tall enough for 9pt text.
// I'm using hardcoded values here because the appearance manager
// values for the frame size are incorrect.
aResult->SizeTo(0, (2 + 2) /* top */ + 9 + (1 + 1) /* bottom */);
break;
}
case NS_THEME_WINDOW_BUTTON_BOX: {
NSSize size = WindowButtonsSize(aFrame);
aResult->SizeTo(size.width, size.height);
*aIsOverridable = false;
break;
}
case NS_THEME_MOZ_MAC_FULLSCREEN_BUTTON: {
if ([NativeWindowForFrame(aFrame) respondsToSelector:@selector(toggleFullScreen:)] &&
!nsCocoaFeatures::OnYosemiteOrLater()) {
// This value is hardcoded because it's needed before we can measure the
// position and size of the fullscreen button.
aResult->SizeTo(16, 17);
}
*aIsOverridable = false;
break;
}
case NS_THEME_PROGRESSBAR:
{
SInt32 barHeight = 0;
::GetThemeMetric(kThemeMetricNormalProgressBarThickness, &barHeight);
aResult->SizeTo(0, barHeight);
break;
}
case NS_THEME_TREEVIEW_TWISTY:
case NS_THEME_TREEVIEW_TWISTY_OPEN:
{
SInt32 twistyHeight = 0, twistyWidth = 0;
::GetThemeMetric(kThemeMetricDisclosureButtonWidth, &twistyWidth);
::GetThemeMetric(kThemeMetricDisclosureButtonHeight, &twistyHeight);
aResult->SizeTo(twistyWidth, twistyHeight);
*aIsOverridable = false;
break;
}
case NS_THEME_TREEVIEW_HEADER:
case NS_THEME_TREEVIEW_HEADER_CELL:
{
SInt32 headerHeight = 0;
::GetThemeMetric(kThemeMetricListHeaderHeight, &headerHeight);
aResult->SizeTo(0, headerHeight - 1); // We don't need the top border.
break;
}
case NS_THEME_TAB:
{
aResult->SizeTo(0, tabHeights[miniControlSize]);
break;
}
case NS_THEME_RANGE:
{
// The Mac Appearance Manager API (the old API we're currently using)
// doesn't define constants to obtain a minimum size for sliders. We use
// the "thickness" of a slider that has default dimensions for both the
// minimum width and height to get something sane and so that paint
// invalidation works.
SInt32 size = 0;
if (IsRangeHorizontal(aFrame)) {
::GetThemeMetric(kThemeMetricHSliderHeight, &size);
} else {
::GetThemeMetric(kThemeMetricVSliderWidth, &size);
}
aResult->SizeTo(size, size);
*aIsOverridable = true;
break;
}
case NS_THEME_RANGE_THUMB:
{
SInt32 width = 0;
SInt32 height = 0;
::GetThemeMetric(kThemeMetricSliderMinThumbWidth, &width);
::GetThemeMetric(kThemeMetricSliderMinThumbHeight, &height);
aResult->SizeTo(width, height);
*aIsOverridable = false;
break;
}
case NS_THEME_SCALE_HORIZONTAL:
{
SInt32 scaleHeight = 0;
::GetThemeMetric(kThemeMetricHSliderHeight, &scaleHeight);
aResult->SizeTo(scaleHeight, scaleHeight);
*aIsOverridable = false;
break;
}
case NS_THEME_SCALE_VERTICAL:
{
SInt32 scaleWidth = 0;
::GetThemeMetric(kThemeMetricVSliderWidth, &scaleWidth);
aResult->SizeTo(scaleWidth, scaleWidth);
*aIsOverridable = false;
break;
}
case NS_THEME_SCROLLBAR_THUMB_HORIZONTAL:
case NS_THEME_SCROLLBAR_THUMB_VERTICAL:
{
// Find our parent scrollbar frame in order to find out whether we're in
// a small or a large scrollbar.
nsIFrame *scrollbarFrame = GetParentScrollbarFrame(aFrame);
if (!scrollbarFrame)
return NS_ERROR_FAILURE;
bool isSmall = (scrollbarFrame->StyleDisplay()->mAppearance == NS_THEME_SCROLLBAR_SMALL);
bool isHorizontal = (aWidgetType == NS_THEME_SCROLLBAR_THUMB_HORIZONTAL);
int32_t& minSize = isHorizontal ? aResult->width : aResult->height;
minSize = isSmall ? kSmallScrollbarThumbMinSize : kRegularScrollbarThumbMinSize;
break;
}
case NS_THEME_SCROLLBAR:
case NS_THEME_SCROLLBAR_SMALL:
case NS_THEME_SCROLLBAR_TRACK_VERTICAL:
case NS_THEME_SCROLLBAR_TRACK_HORIZONTAL:
{
*aIsOverridable = false;
if (nsLookAndFeel::UseOverlayScrollbars()) {
nsIFrame* scrollbarFrame = GetParentScrollbarFrame(aFrame);
if (scrollbarFrame &&
scrollbarFrame->StyleDisplay()->mAppearance ==
NS_THEME_SCROLLBAR_SMALL) {
aResult->SizeTo(14, 14);
}
else {
aResult->SizeTo(16, 16);
}
break;
}
// yeah, i know i'm cheating a little here, but i figure that it
// really doesn't matter if the scrollbar is vertical or horizontal
// and the width metric is a really good metric for every piece
// of the scrollbar.
nsIFrame *scrollbarFrame = GetParentScrollbarFrame(aFrame);
if (!scrollbarFrame) return NS_ERROR_FAILURE;
int32_t themeMetric = (scrollbarFrame->StyleDisplay()->mAppearance == NS_THEME_SCROLLBAR_SMALL) ?
kThemeMetricSmallScrollBarWidth :
kThemeMetricScrollBarWidth;
SInt32 scrollbarWidth = 0;
::GetThemeMetric(themeMetric, &scrollbarWidth);
aResult->SizeTo(scrollbarWidth, scrollbarWidth);
break;
}
case NS_THEME_SCROLLBAR_NON_DISAPPEARING:
{
int32_t themeMetric = kThemeMetricScrollBarWidth;
if (aFrame) {
nsIFrame* scrollbarFrame = GetParentScrollbarFrame(aFrame);
if (scrollbarFrame &&
scrollbarFrame->StyleDisplay()->mAppearance ==
NS_THEME_SCROLLBAR_SMALL) {
// XXX We're interested in the width of non-disappearing scrollbars
// to leave enough space for a dropmarker in non-native styled
// comboboxes (bug 869314). It isn't clear to me if comboboxes can
// ever have small scrollbars.
themeMetric = kThemeMetricSmallScrollBarWidth;
}
}
SInt32 scrollbarWidth = 0;
::GetThemeMetric(themeMetric, &scrollbarWidth);
aResult->SizeTo(scrollbarWidth, scrollbarWidth);
break;
}
case NS_THEME_SCROLLBAR_BUTTON_UP:
case NS_THEME_SCROLLBAR_BUTTON_DOWN:
case NS_THEME_SCROLLBAR_BUTTON_LEFT:
case NS_THEME_SCROLLBAR_BUTTON_RIGHT:
{
nsIFrame *scrollbarFrame = GetParentScrollbarFrame(aFrame);
if (!scrollbarFrame) return NS_ERROR_FAILURE;
// Since there is no NS_THEME_SCROLLBAR_BUTTON_UP_SMALL we need to ask the parent what appearance style it has.
int32_t themeMetric = (scrollbarFrame->StyleDisplay()->mAppearance == NS_THEME_SCROLLBAR_SMALL) ?
kThemeMetricSmallScrollBarWidth :
kThemeMetricScrollBarWidth;
SInt32 scrollbarWidth = 0;
::GetThemeMetric(themeMetric, &scrollbarWidth);
// It seems that for both sizes of scrollbar, the buttons are one pixel "longer".
if (aWidgetType == NS_THEME_SCROLLBAR_BUTTON_LEFT || aWidgetType == NS_THEME_SCROLLBAR_BUTTON_RIGHT)
aResult->SizeTo(scrollbarWidth+1, scrollbarWidth);
else
aResult->SizeTo(scrollbarWidth, scrollbarWidth+1);
*aIsOverridable = false;
break;
}
case NS_THEME_RESIZER:
{
HIThemeGrowBoxDrawInfo drawInfo;
drawInfo.version = 0;
drawInfo.state = kThemeStateActive;
drawInfo.kind = kHIThemeGrowBoxKindNormal;
drawInfo.direction = kThemeGrowRight | kThemeGrowDown;
drawInfo.size = kHIThemeGrowBoxSizeNormal;
HIPoint pnt = { 0, 0 };
HIRect bounds;
HIThemeGetGrowBoxBounds(&pnt, &drawInfo, &bounds);
aResult->SizeTo(bounds.size.width, bounds.size.height);
*aIsOverridable = false;
}
}
if (IsHiDPIContext(aPresContext)) {
*aResult = *aResult * 2;
}
return NS_OK;
NS_OBJC_END_TRY_ABORT_BLOCK_NSRESULT;
}
NS_IMETHODIMP
nsNativeThemeCocoa::WidgetStateChanged(nsIFrame* aFrame, uint8_t aWidgetType,
nsIAtom* aAttribute, bool* aShouldRepaint)
{
// Some widget types just never change state.
switch (aWidgetType) {
case NS_THEME_WINDOW_TITLEBAR:
case NS_THEME_TOOLBOX:
case NS_THEME_TOOLBAR:
case NS_THEME_MOZ_MAC_UNIFIED_TOOLBAR:
case NS_THEME_STATUSBAR:
case NS_THEME_STATUSBAR_PANEL:
case NS_THEME_STATUSBAR_RESIZER_PANEL:
case NS_THEME_TOOLTIP:
case NS_THEME_TAB_PANELS:
case NS_THEME_TAB_PANEL:
case NS_THEME_DIALOG:
case NS_THEME_MENUPOPUP:
case NS_THEME_GROUPBOX:
case NS_THEME_PROGRESSBAR_CHUNK:
case NS_THEME_PROGRESSBAR_CHUNK_VERTICAL:
case NS_THEME_PROGRESSBAR:
case NS_THEME_PROGRESSBAR_VERTICAL:
case NS_THEME_METERBAR:
case NS_THEME_METERBAR_CHUNK:
*aShouldRepaint = false;
return NS_OK;
}
// XXXdwh Not sure what can really be done here. Can at least guess for
// specific widgets that they're highly unlikely to have certain states.
// For example, a toolbar doesn't care about any states.
if (!aAttribute) {
// Hover/focus/active changed. Always repaint.
*aShouldRepaint = true;
} else {
// Check the attribute to see if it's relevant.
// disabled, checked, dlgtype, default, etc.
*aShouldRepaint = false;
if (aAttribute == nsGkAtoms::disabled ||
aAttribute == nsGkAtoms::checked ||
aAttribute == nsGkAtoms::selected ||
aAttribute == nsGkAtoms::menuactive ||
aAttribute == nsGkAtoms::sortDirection ||
aAttribute == nsGkAtoms::focused ||
aAttribute == nsGkAtoms::_default ||
aAttribute == nsGkAtoms::open ||
aAttribute == nsGkAtoms::hover)
*aShouldRepaint = true;
if ((aWidgetType == NS_THEME_SCROLLBAR ||
aWidgetType == NS_THEME_SCROLLBAR_SMALL) &&
!ScrollbarTrackAndThumbDrawSeparately() &&
(aAttribute == nsGkAtoms::curpos ||
aAttribute == nsGkAtoms::minpos ||
aAttribute == nsGkAtoms::maxpos ||
aAttribute == nsGkAtoms::pageincrement)) {
// 10.6-style scrollbars paint the thumb as part of the scrollbar,
// so we need to invalidate the scrollbar when the thumb moves.
*aShouldRepaint = true;
}
}
return NS_OK;
}
NS_IMETHODIMP
nsNativeThemeCocoa::ThemeChanged()
{
// This is unimplemented because we don't care if gecko changes its theme
// and Mac OS X doesn't have themes.
return NS_OK;
}
bool
nsNativeThemeCocoa::ThemeSupportsWidget(nsPresContext* aPresContext, nsIFrame* aFrame,
uint8_t aWidgetType)
{
// We don't have CSS set up to render non-native scrollbars on Mac OS X so we
// render natively even if native theme support is disabled.
if (aWidgetType != NS_THEME_SCROLLBAR &&
aPresContext && !aPresContext->PresShell()->IsThemeSupportEnabled())
return false;
// if this is a dropdown button in a combobox the answer is always no
if (aWidgetType == NS_THEME_DROPDOWN_BUTTON) {
nsIFrame* parentFrame = aFrame->GetParent();
if (parentFrame && (parentFrame->GetType() == nsGkAtoms::comboboxControlFrame))
return false;
}
switch (aWidgetType) {
case NS_THEME_LISTBOX:
case NS_THEME_DIALOG:
case NS_THEME_WINDOW:
case NS_THEME_WINDOW_BUTTON_BOX:
case NS_THEME_WINDOW_TITLEBAR:
case NS_THEME_CHECKMENUITEM:
case NS_THEME_MENUPOPUP:
case NS_THEME_MENUITEM:
case NS_THEME_MENUSEPARATOR:
case NS_THEME_MOZ_MAC_FULLSCREEN_BUTTON:
case NS_THEME_TOOLTIP:
case NS_THEME_CHECKBOX:
case NS_THEME_CHECKBOX_CONTAINER:
case NS_THEME_RADIO:
case NS_THEME_RADIO_CONTAINER:
case NS_THEME_GROUPBOX:
case NS_THEME_MOZ_MAC_HELP_BUTTON:
case NS_THEME_BUTTON:
case NS_THEME_BUTTON_BEVEL:
case NS_THEME_TOOLBAR_BUTTON:
case NS_THEME_SPINNER:
case NS_THEME_SPINNER_UP_BUTTON:
case NS_THEME_SPINNER_DOWN_BUTTON:
case NS_THEME_TOOLBAR:
case NS_THEME_MOZ_MAC_UNIFIED_TOOLBAR:
case NS_THEME_STATUSBAR:
case NS_THEME_NUMBER_INPUT:
case NS_THEME_TEXTFIELD:
case NS_THEME_TEXTFIELD_MULTILINE:
case NS_THEME_SEARCHFIELD:
//case NS_THEME_TOOLBOX:
//case NS_THEME_TOOLBAR_BUTTON:
case NS_THEME_PROGRESSBAR:
case NS_THEME_PROGRESSBAR_VERTICAL:
case NS_THEME_PROGRESSBAR_CHUNK:
case NS_THEME_PROGRESSBAR_CHUNK_VERTICAL:
case NS_THEME_METERBAR:
case NS_THEME_METERBAR_CHUNK:
case NS_THEME_TOOLBAR_SEPARATOR:
case NS_THEME_TAB_PANELS:
case NS_THEME_TAB:
case NS_THEME_TREEVIEW_TWISTY:
case NS_THEME_TREEVIEW_TWISTY_OPEN:
case NS_THEME_TREEVIEW:
case NS_THEME_TREEVIEW_HEADER:
case NS_THEME_TREEVIEW_HEADER_CELL:
case NS_THEME_TREEVIEW_HEADER_SORTARROW:
case NS_THEME_TREEVIEW_TREEITEM:
case NS_THEME_TREEVIEW_LINE:
case NS_THEME_RANGE:
case NS_THEME_SCALE_HORIZONTAL:
case NS_THEME_SCALE_THUMB_HORIZONTAL:
case NS_THEME_SCALE_VERTICAL:
case NS_THEME_SCALE_THUMB_VERTICAL:
case NS_THEME_SCROLLBAR:
case NS_THEME_SCROLLBAR_SMALL:
case NS_THEME_SCROLLBAR_BUTTON_UP:
case NS_THEME_SCROLLBAR_BUTTON_DOWN:
case NS_THEME_SCROLLBAR_BUTTON_LEFT:
case NS_THEME_SCROLLBAR_BUTTON_RIGHT:
case NS_THEME_SCROLLBAR_THUMB_HORIZONTAL:
case NS_THEME_SCROLLBAR_THUMB_VERTICAL:
case NS_THEME_SCROLLBAR_TRACK_VERTICAL:
case NS_THEME_SCROLLBAR_TRACK_HORIZONTAL:
case NS_THEME_SCROLLBAR_NON_DISAPPEARING:
case NS_THEME_DROPDOWN:
case NS_THEME_DROPDOWN_BUTTON:
case NS_THEME_DROPDOWN_TEXT:
case NS_THEME_DROPDOWN_TEXTFIELD:
return !IsWidgetStyled(aPresContext, aFrame, aWidgetType);
break;
case NS_THEME_RESIZER:
{
nsIFrame* parentFrame = aFrame->GetParent();
if (!parentFrame || parentFrame->GetType() != nsGkAtoms::scrollFrame)
return true;
// Note that IsWidgetStyled is not called for resizers on Mac. This is
// because for scrollable containers, the native resizer looks better
// when (non-overlay) scrollbars are present even when the style is
// overriden, and the custom transparent resizer looks better when
// scrollbars are not present.
nsIScrollableFrame* scrollFrame = do_QueryFrame(parentFrame);
return (!nsLookAndFeel::UseOverlayScrollbars() &&
scrollFrame && scrollFrame->GetScrollbarVisibility());
break;
}
case NS_THEME_FOCUS_OUTLINE:
return true;
case NS_THEME_MAC_VIBRANCY_LIGHT:
case NS_THEME_MAC_VIBRANCY_DARK:
return VibrancyManager::SystemSupportsVibrancy();
}
return false;
}
bool
nsNativeThemeCocoa::WidgetIsContainer(uint8_t aWidgetType)
{
// flesh this out at some point
switch (aWidgetType) {
case NS_THEME_DROPDOWN_BUTTON:
case NS_THEME_RADIO:
case NS_THEME_CHECKBOX:
case NS_THEME_PROGRESSBAR:
case NS_THEME_METERBAR:
case NS_THEME_RANGE:
case NS_THEME_MOZ_MAC_HELP_BUTTON:
return false;
break;
}
return true;
}
bool
nsNativeThemeCocoa::ThemeDrawsFocusForWidget(uint8_t aWidgetType)
{
if (aWidgetType == NS_THEME_DROPDOWN ||
aWidgetType == NS_THEME_DROPDOWN_TEXTFIELD ||
aWidgetType == NS_THEME_BUTTON ||
aWidgetType == NS_THEME_MOZ_MAC_HELP_BUTTON ||
aWidgetType == NS_THEME_RADIO ||
aWidgetType == NS_THEME_RANGE ||
aWidgetType == NS_THEME_CHECKBOX)
return true;
return false;
}
bool
nsNativeThemeCocoa::ThemeNeedsComboboxDropmarker()
{
return false;
}
bool
nsNativeThemeCocoa::WidgetAppearanceDependsOnWindowFocus(uint8_t aWidgetType)
{
switch (aWidgetType) {
case NS_THEME_DIALOG:
case NS_THEME_GROUPBOX:
case NS_THEME_TAB_PANELS:
case NS_THEME_CHECKMENUITEM:
case NS_THEME_MENUPOPUP:
case NS_THEME_MENUITEM:
case NS_THEME_MENUSEPARATOR:
case NS_THEME_TOOLTIP:
case NS_THEME_SPINNER:
case NS_THEME_SPINNER_UP_BUTTON:
case NS_THEME_SPINNER_DOWN_BUTTON:
case NS_THEME_TOOLBAR_SEPARATOR:
case NS_THEME_TOOLBOX:
case NS_THEME_NUMBER_INPUT:
case NS_THEME_TEXTFIELD:
case NS_THEME_TREEVIEW:
case NS_THEME_TREEVIEW_LINE:
case NS_THEME_TEXTFIELD_MULTILINE:
case NS_THEME_LISTBOX:
case NS_THEME_RESIZER:
return false;
default:
return true;
}
}
bool
nsNativeThemeCocoa::NeedToClearBackgroundBehindWidget(uint8_t aWidgetType)
{
switch (aWidgetType) {
case NS_THEME_MAC_VIBRANCY_LIGHT:
case NS_THEME_MAC_VIBRANCY_DARK:
return true;
default:
return false;
}
}
nsITheme::Transparency
nsNativeThemeCocoa::GetWidgetTransparency(nsIFrame* aFrame, uint8_t aWidgetType)
{
switch (aWidgetType) {
case NS_THEME_MENUPOPUP:
case NS_THEME_TOOLTIP:
return eTransparent;
case NS_THEME_SCROLLBAR_SMALL:
case NS_THEME_SCROLLBAR:
return nsLookAndFeel::UseOverlayScrollbars() ? eTransparent : eOpaque;
case NS_THEME_STATUSBAR:
// Knowing that scrollbars and statusbars are opaque improves
// performance, because we create layers for them.
return eOpaque;
case NS_THEME_TOOLBAR:
case NS_THEME_MOZ_MAC_UNIFIED_TOOLBAR:
return eOpaque;
default:
return eUnknownTransparency;
}
}