gecko/layout/generic/nsPluginUtilsOSX.mm

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/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
// vim:set ts=2 sts=2 sw=2 et cin:
/* ***** BEGIN LICENSE BLOCK *****
* Version: MPL 1.1/GPL 2.0/LGPL 2.1
*
* The contents of this file are subject to the Mozilla Public License Version
* 1.1 (the "License"); you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
* http://www.mozilla.org/MPL/
*
* Software distributed under the License is distributed on an "AS IS" basis,
* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
* for the specific language governing rights and limitations under the
* License.
*
* The Original Code is Mozilla.org code.
*
* The Initial Developer of the Original Code is
* Mozilla Corporation.
* Portions created by the Initial Developer are Copyright (C) 2008
* the Initial Developer. All Rights Reserved.
*
* Contributor(s):
* Josh Aas <josh@mozilla.com>
*
* Alternatively, the contents of this file may be used under the terms of
* either of the GNU General Public License Version 2 or later (the "GPL"),
* or the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
* in which case the provisions of the GPL or the LGPL are applicable instead
* of those above. If you wish to allow use of your version of this file only
* under the terms of either the GPL or the LGPL, and not to allow others to
* use your version of this file under the terms of the MPL, indicate your
* decision by deleting the provisions above and replace them with the notice
* and other provisions required by the GPL or the LGPL. If you do not delete
* the provisions above, a recipient may use your version of this file under
* the terms of any one of the MPL, the GPL or the LGPL.
*
* ***** END LICENSE BLOCK ***** */
#include "nsPluginUtilsOSX.h"
#import <Cocoa/Cocoa.h>
#import <QuartzCore/QuartzCore.h>
#include "nsObjCExceptions.h"
#ifndef __LP64__
void NS_NPAPI_CarbonWindowFrame(WindowRef aWindow, nsRect& outRect)
{
if (!aWindow)
return;
Rect windowRect;
::GetWindowBounds(aWindow, kWindowStructureRgn, &windowRect);
outRect.x = windowRect.left;
outRect.y = windowRect.top;
outRect.width = windowRect.right - windowRect.left;
outRect.height = windowRect.bottom - windowRect.top;
}
#endif
void NS_NPAPI_CocoaWindowFrame(void* aWindow, nsRect& outRect)
{
NS_OBJC_BEGIN_TRY_ABORT_BLOCK;
if (!aWindow)
return;
NSWindow* window = (NSWindow*)aWindow;
float menubarScreenHeight;
NSArray* allScreens = [NSScreen screens];
if ([allScreens count])
menubarScreenHeight = [[allScreens objectAtIndex:0] frame].size.height;
else
return; // If there are no screens, there's not much we can say.
NSRect frame = [window frame];
outRect.x = (nscoord)frame.origin.x;
outRect.y = (nscoord)(menubarScreenHeight - (frame.origin.y + frame.size.height));
outRect.width = (nscoord)frame.size.width;
outRect.height = (nscoord)frame.size.height;
NS_OBJC_END_TRY_ABORT_BLOCK;
}
NPError NS_NPAPI_ShowCocoaContextMenu(void* menu, nsIWidget* widget, NPCocoaEvent* event)
{
if (!menu || !widget || !event)
return NPERR_GENERIC_ERROR;
NSMenu* cocoaMenu = (NSMenu*)menu;
NSView* cocoaView = (NSView*)widget->GetNativeData(NS_NATIVE_WIDGET);
NSEventType cocoaEventType = NSRightMouseDown;
unsigned int cocoaModifierFlags = 0;
double x = 0.0; // Coordinates for the context menu in plugin terms, top-left origin.
double y = 0.0;
NPCocoaEventType eventType = event->type;
if (eventType == NPCocoaEventMouseDown ||
eventType == NPCocoaEventMouseUp ||
eventType == NPCocoaEventMouseMoved ||
eventType == NPCocoaEventMouseEntered ||
eventType == NPCocoaEventMouseExited ||
eventType == NPCocoaEventMouseDragged) {
cocoaEventType = (NSEventType)event->data.mouse.buttonNumber;
cocoaModifierFlags = event->data.mouse.modifierFlags;
x = event->data.mouse.pluginX;
y = event->data.mouse.pluginY;
if ((x < 0.0) || (y < 0.0))
return NPERR_GENERIC_ERROR;
}
// Flip the coords to bottom-left origin.
NSRect viewFrame = [cocoaView frame];
double shiftedX = x;
double shiftedY = viewFrame.size.height - y;
// Shift to window coords.
shiftedX += viewFrame.origin.x;
shiftedY += [cocoaView convertPoint:NSMakePoint(0,0) toView:nil].y - viewFrame.size.height;
// Create an NSEvent we can use to show the context menu. Only the location
// is important here so just simulate a right mouse down. The coordinates
// must be in top-level window terms.
NSEvent* cocoaEvent = [NSEvent mouseEventWithType:cocoaEventType
location:NSMakePoint(shiftedX, shiftedY)
modifierFlags:cocoaModifierFlags
timestamp:0
windowNumber:[[cocoaView window] windowNumber]
context:nil
eventNumber:0
clickCount:1
pressure:0.0];
[NSMenu popUpContextMenu:cocoaMenu withEvent:cocoaEvent forView:cocoaView];
return NPERR_NO_ERROR;
}
NPBool NS_NPAPI_ConvertPointCocoa(void* inView,
double sourceX, double sourceY, NPCoordinateSpace sourceSpace,
double *destX, double *destY, NPCoordinateSpace destSpace)
{
NS_ASSERTION(inView, "Must have a native view to convert coordinates.");
// Caller has to want a result.
if (!destX && !destY)
return PR_FALSE;
if (sourceSpace == destSpace) {
if (destX)
*destX = sourceX;
if (destY)
*destY = sourceY;
return PR_TRUE;
}
NSView* view = (NSView*)inView;
NSWindow* window = [view window];
NSPoint sourcePoint = NSMakePoint(sourceX, sourceY);
// Convert to screen space.
NSPoint screenPoint;
switch (sourceSpace) {
case NPCoordinateSpacePlugin:
screenPoint = [view convertPoint:sourcePoint toView:nil];
screenPoint = [window convertBaseToScreen:screenPoint];
break;
case NPCoordinateSpaceWindow:
screenPoint = [window convertBaseToScreen:sourcePoint];
break;
case NPCoordinateSpaceFlippedWindow:
sourcePoint.y = [window frame].size.height - sourcePoint.y;
screenPoint = [window convertBaseToScreen:sourcePoint];
break;
case NPCoordinateSpaceScreen:
screenPoint = sourcePoint;
break;
case NPCoordinateSpaceFlippedScreen:
sourcePoint.y = [[[NSScreen screens] objectAtIndex:0] frame].size.height - sourcePoint.y;
screenPoint = sourcePoint;
break;
default:
return PR_FALSE;
}
// Convert from screen to dest space.
NSPoint destPoint;
switch (destSpace) {
case NPCoordinateSpacePlugin:
destPoint = [window convertScreenToBase:screenPoint];
destPoint = [view convertPoint:destPoint fromView:nil];
break;
case NPCoordinateSpaceWindow:
destPoint = [window convertScreenToBase:screenPoint];
break;
case NPCoordinateSpaceFlippedWindow:
destPoint = [window convertScreenToBase:screenPoint];
destPoint.y = [window frame].size.height - destPoint.y;
break;
case NPCoordinateSpaceScreen:
destPoint = screenPoint;
break;
case NPCoordinateSpaceFlippedScreen:
destPoint = screenPoint;
destPoint.y = [[[NSScreen screens] objectAtIndex:0] frame].size.height - destPoint.y;
break;
default:
return PR_FALSE;
}
if (destX)
*destX = destPoint.x;
if (destY)
*destY = destPoint.y;
return PR_TRUE;
}
nsCARenderer::~nsCARenderer() {
Destroy();
}
CGColorSpaceRef CreateSystemColorSpace() {
CMProfileRef system_profile = NULL;
CGColorSpaceRef cspace = NULL;
if (::CMGetSystemProfile(&system_profile) == noErr) {
// Create a colorspace with the systems profile
cspace = ::CGColorSpaceCreateWithPlatformColorSpace(system_profile);
::CMCloseProfile(system_profile);
} else {
// Default to generic
cspace = ::CGColorSpaceCreateWithName(kCGColorSpaceGenericRGB);
}
return cspace;
}
void cgdata_release_callback(void *aCGData, const void *data, size_t size) {
if (aCGData) {
free(aCGData);
}
}
void nsCARenderer::Destroy() {
if (mCARenderer) {
CARenderer* caRenderer = (CARenderer*)mCARenderer;
[caRenderer release];
}
if (mPixelBuffer) {
::CGLDestroyPBuffer((CGLPBufferObj)mPixelBuffer);
}
if (mOpenGLContext) {
::CGLDestroyContext((CGLContextObj)mOpenGLContext);
}
if (mCGImage) {
::CGImageRelease(mCGImage);
}
// mCGData is deallocated by cgdata_release_callback
mCARenderer = nil;
mPixelBuffer = NULL;
mOpenGLContext = NULL;
mCGImage = NULL;
}
nsresult nsCARenderer::SetupRenderer(void *aCALayer, int aWidth, int aHeight) {
CALayer* layer = (CALayer*)aCALayer;
CARenderer* caRenderer = NULL;
CGLPixelFormatAttribute attributes[] = {
kCGLPFANoRecovery,
kCGLPFAAccelerated,
kCGLPFADepthSize, (CGLPixelFormatAttribute)24,
(CGLPixelFormatAttribute)0
};
CGLError result = ::CGLCreatePBuffer(aWidth, aHeight,
GL_TEXTURE_RECTANGLE_EXT, GL_RGBA, 0, &mPixelBuffer);
if (result != kCGLNoError) {
Destroy();
return NS_ERROR_FAILURE;
}
GLint screen;
CGLPixelFormatObj format;
if (::CGLChoosePixelFormat(attributes, &format, &screen) != kCGLNoError) {
Destroy();
return NS_ERROR_FAILURE;
}
if (::CGLCreateContext(format, NULL, &mOpenGLContext) != kCGLNoError) {
Destroy();
return NS_ERROR_FAILURE;
}
::CGLDestroyPixelFormat(format);
caRenderer = [[CARenderer rendererWithCGLContext:mOpenGLContext options:NULL] retain];
mCARenderer = caRenderer;
if (caRenderer == nil) {
Destroy();
return NS_ERROR_FAILURE;
}
[layer setBounds:CGRectMake(0, 0, aWidth, aHeight)];
[layer setPosition:CGPointMake(aWidth/2.0, aHeight/2.0)];
caRenderer.layer = layer;
caRenderer.bounds = CGRectMake(0, 0, aWidth, aHeight);
mCGData = malloc(aWidth*aHeight*4);
if (!mCGData) {
Destroy();
}
CGDataProviderRef dataProvider = ::CGDataProviderCreateWithData(mCGData,
mCGData, aHeight*aWidth*4, cgdata_release_callback);
if (!dataProvider) {
cgdata_release_callback(mCGData, mCGData, aHeight*aWidth*4);
Destroy();
return NS_ERROR_FAILURE;
}
CGColorSpaceRef colorSpace = CreateSystemColorSpace();
mCGImage = ::CGImageCreate(aWidth, aHeight, 8, 32, aWidth * 4,
colorSpace, kCGImageAlphaPremultipliedFirst | kCGBitmapByteOrder32Host,
dataProvider, NULL, true, kCGRenderingIntentDefault);
::CGDataProviderRelease(dataProvider);
if (colorSpace) {
::CGColorSpaceRelease(colorSpace);
}
if (!mCGImage) {
Destroy();
return NS_ERROR_FAILURE;
}
return NS_OK;
}
nsresult nsCARenderer::Render(CGContextRef aCGContext, int aWidth, int aHeight) {
if (!mCARenderer)
return NS_ERROR_FAILURE;
CARenderer* caRenderer = (CARenderer*)mCARenderer;
int renderer_width = caRenderer.bounds.size.width;
int renderer_height = caRenderer.bounds.size.height;
if (renderer_width != aWidth || renderer_height != aHeight) {
// XXX: This should be optimized to not rescale the buffer
// if we are resizing down.
CALayer* caLayer = [caRenderer layer];
Destroy();
if (SetupRenderer(caLayer, aWidth, aHeight) != NPERR_NO_ERROR) {
return NS_ERROR_FAILURE;
}
caRenderer = (CARenderer*)mCARenderer;
}
GLint screen;
CGLContextObj oldContext = ::CGLGetCurrentContext();
::CGLSetCurrentContext(mOpenGLContext);
::CGLGetVirtualScreen(mOpenGLContext, &screen);
::CGLSetPBuffer(mOpenGLContext, mPixelBuffer, 0, 0, screen);
::glClearColor(0.0, 0.0, 0.0, 0.0);
::glViewport(0.0, 0.0, aWidth, aHeight);
::glMatrixMode(GL_PROJECTION);
::glLoadIdentity();
::glOrtho (0.0, aWidth, 0.0, aHeight, -1, 1);
::glClear(GL_COLOR_BUFFER_BIT);
// Render upside down to speed up CGContextDrawImage
::glTranslatef(0.0f, aHeight, 0.0);
::glScalef(1.0, -1.0, 1.0);
double caTime = ::CACurrentMediaTime();
[caRenderer beginFrameAtTime:caTime timeStamp:NULL];
[caRenderer addUpdateRect:CGRectMake(0, 0, aWidth, aHeight)];
[caRenderer render];
[caRenderer endFrame];
::glPixelStorei(GL_PACK_ALIGNMENT, 4);
::glPixelStorei(GL_PACK_ROW_LENGTH, 0);
::glPixelStorei(GL_PACK_SKIP_ROWS, 0);
::glPixelStorei(GL_PACK_SKIP_PIXELS, 0);
::glReadPixels(0.0f, 0.0f, aWidth, aHeight,
GL_BGRA, GL_UNSIGNED_BYTE,
mCGData);
if (oldContext) {
::CGLSetCurrentContext(oldContext);
}
// Significant speed up by reseting the scaling
::CGContextSetInterpolationQuality( aCGContext, kCGInterpolationNone );
::CGContextTranslateCTM( aCGContext, 0, aHeight);
::CGContextScaleCTM( aCGContext, 1.0, -1.0);
CGRect drawRect;
drawRect.origin.x = 0;
drawRect.origin.y = 0;
drawRect.size.width = aWidth;
drawRect.size.height = aHeight;
::CGContextDrawImage( aCGContext, drawRect, mCGImage );
return NS_OK;
}