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>
#include "PluginUtilsOSX.h"
// Remove definitions for try/catch interfering with ObjCException macros.
#include "nsObjCExceptions.h"
using namespace mozilla::plugins::PluginUtilsOSX;
@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;
}