gecko/dom/plugins/ipc/PluginUtilsOSX.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) 2010
* the Initial Developer. All Rights Reserved.
*
* Contributor(s):
* Benoit Girard <b56girard@gmail.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 ***** */
#import <AppKit/AppKit.h>
#import <QuartzCore/QuartzCore.h>
#include "PluginUtilsOSX.h"
// Remove definitions for try/catch interfering with ObjCException macros.
#include "nsObjCExceptions.h"
#include "nsCocoaUtils.h"
#include "nsDebug.h"
using namespace mozilla::plugins::PluginUtilsOSX;
@interface CGBridgeLayer : CALayer {
DrawPluginFunc mDrawFunc;
void* mPluginInstance;
nsIntRect mUpdateRect;
}
- (void) setDrawFunc: (DrawPluginFunc)aFunc pluginInstance:(void*) aPluginInstance;
- (void) updateRect: (nsIntRect)aRect;
@end
@implementation CGBridgeLayer
- (void) updateRect: (nsIntRect)aRect
{
mUpdateRect.UnionRect(mUpdateRect, aRect);
}
- (void) setDrawFunc: (DrawPluginFunc)aFunc pluginInstance:(void*) aPluginInstance
{
mDrawFunc = aFunc;
mPluginInstance = aPluginInstance;
}
- (void)drawInContext:(CGContextRef)aCGContext
{
::CGContextSaveGState(aCGContext);
::CGContextTranslateCTM(aCGContext, 0, self.bounds.size.height);
::CGContextScaleCTM(aCGContext, (CGFloat) 1, (CGFloat) -1);
mDrawFunc(aCGContext, mPluginInstance, mUpdateRect);
::CGContextRestoreGState(aCGContext);
mUpdateRect.SetEmpty();
}
@end
void* mozilla::plugins::PluginUtilsOSX::GetCGLayer(DrawPluginFunc aFunc, void* aPluginInstance) {
CGBridgeLayer *bridgeLayer = [[CGBridgeLayer alloc] init ];
[bridgeLayer setDrawFunc:aFunc pluginInstance:aPluginInstance];
return bridgeLayer;
}
void mozilla::plugins::PluginUtilsOSX::ReleaseCGLayer(void *cgLayer) {
CGBridgeLayer *bridgeLayer = (CGBridgeLayer*)cgLayer;
[bridgeLayer release];
}
void mozilla::plugins::PluginUtilsOSX::Repaint(void *caLayer, nsIntRect aRect) {
CGBridgeLayer *bridgeLayer = (CGBridgeLayer*)caLayer;
[CATransaction begin];
[bridgeLayer updateRect:aRect];
[bridgeLayer setNeedsDisplay];
[bridgeLayer displayIfNeeded];
[CATransaction commit];
}
@interface EventProcessor : NSObject {
RemoteProcessEvents aRemoteEvents;
void *aPluginModule;
}
- (void)setRemoteEvents:(RemoteProcessEvents) remoteEvents pluginModule:(void*) pluginModule;
- (void)onTick;
@end
@implementation EventProcessor
- (void) onTick
{
aRemoteEvents(aPluginModule);
}
- (void)setRemoteEvents:(RemoteProcessEvents) remoteEvents pluginModule:(void*) pluginModule
{
aRemoteEvents = remoteEvents;
aPluginModule = pluginModule;
}
@end
#define EVENT_PROCESS_DELAY 0.05 // 50 ms
NPError mozilla::plugins::PluginUtilsOSX::ShowCocoaContextMenu(void* aMenu, int aX, int aY, void* pluginModule, RemoteProcessEvents remoteEvent)
{
NS_OBJC_BEGIN_TRY_ABORT_BLOCK;
// Set the native cursor to the OS default (an arrow) before displaying the
// context menu. Otherwise (if the plugin has changed the cursor) it may
// stay as the plugin has set it -- which means it may be invisible. We
// need to do this because we display the context menu without making the
// plugin process the foreground process. If we did, the cursor would
// change to an arrow cursor automatically -- as it does in Chrome.
[[NSCursor arrowCursor] set];
// Create a timer to process browser events while waiting
// on the menu. This prevents the browser from hanging
// during the lifetime of the menu.
EventProcessor* eventProcessor = [[EventProcessor alloc] init];
[eventProcessor setRemoteEvents:remoteEvent pluginModule:pluginModule];
NSTimer *eventTimer = [NSTimer timerWithTimeInterval:EVENT_PROCESS_DELAY
target:eventProcessor selector:@selector(onTick)
userInfo:nil repeats:TRUE];
// Use NSEventTrackingRunLoopMode otherwise the timer will
// not fire during the right click menu.
[[NSRunLoop currentRunLoop] addTimer:eventTimer
forMode:NSEventTrackingRunLoopMode];
NSMenu* nsmenu = reinterpret_cast<NSMenu*>(aMenu);
NSPoint screen_point = ::NSMakePoint(aX, aY);
[nsmenu popUpMenuPositioningItem:nil atLocation:screen_point inView:nil];
[eventTimer invalidate];
[eventProcessor release];
return NPERR_NO_ERROR;
NS_OBJC_END_TRY_ABORT_BLOCK_RETURN(NPERR_GENERIC_ERROR);
}
void mozilla::plugins::PluginUtilsOSX::InvokeNativeEventLoop()
{
NS_OBJC_BEGIN_TRY_ABORT_BLOCK;
::CFRunLoopRunInMode(kCFRunLoopDefaultMode, 0.0, true);
NS_OBJC_END_TRY_ABORT_BLOCK;
}
#define UNDOCUMENTED_SESSION_CONSTANT ((int)-2)
namespace mozilla {
namespace plugins {
namespace PluginUtilsOSX {
static void *sApplicationASN = NULL;
static void *sApplicationInfoItem = NULL;
}
}
}
bool mozilla::plugins::PluginUtilsOSX::SetProcessName(const char* aProcessName) {
NS_OBJC_BEGIN_TRY_ABORT_BLOCK;
nsAutoreleasePool localPool;
if (!aProcessName || strcmp(aProcessName, "") == 0) {
return false;
}
NSString *currentName = [[[NSBundle mainBundle] localizedInfoDictionary]
objectForKey:(NSString *)kCFBundleNameKey];
char formattedName[1024];
snprintf(formattedName, sizeof(formattedName),
"%s (%s)", [currentName UTF8String], aProcessName);
aProcessName = formattedName;
// This function is based on Chrome/Webkit's and relies on potentially dangerous SPI.
typedef CFTypeRef (*LSGetASNType)();
typedef OSStatus (*LSSetInformationItemType)(int, CFTypeRef,
CFStringRef,
CFStringRef,
CFDictionaryRef*);
CFBundleRef launchServices = ::CFBundleGetBundleWithIdentifier(
CFSTR("com.apple.LaunchServices"));
if (!launchServices) {
NS_WARNING("Failed to set process name: Could not open LaunchServices bundle");
return false;
}
if (!sApplicationASN) {
sApplicationASN = ::CFBundleGetFunctionPointerForName(launchServices,
CFSTR("_LSGetCurrentApplicationASN"));
}
LSGetASNType getASNFunc = reinterpret_cast<LSGetASNType>
(sApplicationASN);
if (!sApplicationInfoItem) {
sApplicationInfoItem = ::CFBundleGetFunctionPointerForName(launchServices,
CFSTR("_LSSetApplicationInformationItem"));
}
LSSetInformationItemType setInformationItemFunc
= reinterpret_cast<LSSetInformationItemType>
(sApplicationInfoItem);
void * displayNameKeyAddr = ::CFBundleGetDataPointerForName(launchServices,
CFSTR("_kLSDisplayNameKey"));
CFStringRef displayNameKey = nil;
if (displayNameKeyAddr) {
displayNameKey = reinterpret_cast<CFStringRef>(*(CFStringRef*)displayNameKeyAddr);
}
// Rename will fail without this
ProcessSerialNumber psn;
if (::GetCurrentProcess(&psn) != noErr) {
return false;
}
CFTypeRef currentAsn = getASNFunc();
if (!getASNFunc || !setInformationItemFunc ||
!displayNameKey || !currentAsn) {
NS_WARNING("Failed to set process name: Accessing launchServices failed");
return false;
}
CFStringRef processName = ::CFStringCreateWithCString(nil,
aProcessName,
kCFStringEncodingASCII);
if (!processName) {
NS_WARNING("Failed to set process name: Could not create CFStringRef");
return false;
}
OSErr err = setInformationItemFunc(UNDOCUMENTED_SESSION_CONSTANT, currentAsn,
displayNameKey, processName,
nil); // Optional out param
::CFRelease(processName);
if (err != noErr) {
NS_WARNING("Failed to set process name: LSSetInformationItemType err");
return false;
}
return true;
NS_OBJC_END_TRY_ABORT_BLOCK_RETURN(false);
}
namespace mozilla {
namespace plugins {
namespace PluginUtilsOSX {
size_t nsDoubleBufferCARenderer::GetFrontSurfaceWidth() {
if (!HasFrontSurface()) {
return 0;
}
return mFrontSurface->GetWidth();
}
size_t nsDoubleBufferCARenderer::GetFrontSurfaceHeight() {
if (!HasFrontSurface()) {
return 0;
}
return mFrontSurface->GetHeight();
}
size_t nsDoubleBufferCARenderer::GetBackSurfaceWidth() {
if (!HasBackSurface()) {
return 0;
}
return mBackSurface->GetWidth();
}
size_t nsDoubleBufferCARenderer::GetBackSurfaceHeight() {
if (!HasBackSurface()) {
return 0;
}
return mBackSurface->GetHeight();
}
IOSurfaceID nsDoubleBufferCARenderer::GetFrontSurfaceID() {
if (!HasFrontSurface()) {
return 0;
}
return mFrontSurface->GetIOSurfaceID();
}
bool nsDoubleBufferCARenderer::HasBackSurface() {
return !!mBackSurface;
}
bool nsDoubleBufferCARenderer::HasFrontSurface() {
return !!mFrontSurface;
}
bool nsDoubleBufferCARenderer::HasCALayer() {
return !!mCALayer;
}
void nsDoubleBufferCARenderer::SetCALayer(void *aCALayer) {
mCALayer = aCALayer;
}
bool nsDoubleBufferCARenderer::InitFrontSurface(size_t aWidth, size_t aHeight,
AllowOfflineRendererEnum aAllowOfflineRenderer) {
if (!mCALayer) {
return false;
}
mFrontSurface = nsIOSurface::CreateIOSurface(aWidth, aHeight);
if (!mFrontSurface) {
mCARenderer = nsnull;
return false;
}
if (!mCARenderer) {
mCARenderer = new nsCARenderer();
if (!mCARenderer) {
mFrontSurface = nsnull;
return false;
}
mCARenderer->AttachIOSurface(mFrontSurface);
nsresult result = mCARenderer->SetupRenderer(mCALayer,
mFrontSurface->GetWidth(),
mFrontSurface->GetHeight(),
aAllowOfflineRenderer);
if (result != NS_OK) {
mCARenderer = nsnull;
mFrontSurface = nsnull;
return false;
}
} else {
mCARenderer->AttachIOSurface(mFrontSurface);
}
return true;
}
void nsDoubleBufferCARenderer::Render() {
if (!HasFrontSurface() || !mCARenderer) {
return;
}
mCARenderer->Render(GetFrontSurfaceWidth(), GetFrontSurfaceHeight(), nsnull);
}
void nsDoubleBufferCARenderer::SwapSurfaces() {
nsRefPtr<nsIOSurface> prevFrontSurface = mFrontSurface;
mFrontSurface = mBackSurface;
mBackSurface = prevFrontSurface;
if (mFrontSurface) {
mCARenderer->AttachIOSurface(mFrontSurface);
}
}
void nsDoubleBufferCARenderer::ClearFrontSurface() {
mFrontSurface = nsnull;
if (!mFrontSurface && !mBackSurface) {
mCARenderer = nsnull;
}
}
void nsDoubleBufferCARenderer::ClearBackSurface() {
mBackSurface = nsnull;
if (!mFrontSurface && !mBackSurface) {
mCARenderer = nsnull;
}
}
} //PluginUtilsOSX
} //plugins
} //mozilla