зеркало из https://github.com/mozilla/gecko-dev.git
142 строки
5.2 KiB
Objective-C
142 строки
5.2 KiB
Objective-C
/* -*- Mode: c++; tab-width: 2; indent-tabs-mode: nil; -*- */
|
|
/* ***** 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 a Cocoa widget run loop and event implementation.
|
|
*
|
|
* The Initial Developer of the Original Code is Google Inc.
|
|
* Portions created by the Initial Developer are Copyright (C) 2006
|
|
* the Initial Developer. All Rights Reserved.
|
|
*
|
|
* Contributor(s):
|
|
* Mark Mentovai <mark@moxienet.com> (Original Author)
|
|
*
|
|
* Alternatively, the contents of this file may be used under the terms of
|
|
* either 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 ***** */
|
|
|
|
/*
|
|
* Runs the main native Cocoa run loop, interrupting it as needed to process
|
|
* Gecko events.
|
|
*/
|
|
|
|
#ifndef nsAppShell_h_
|
|
#define nsAppShell_h_
|
|
|
|
class nsCocoaWindow;
|
|
|
|
#include "nsBaseAppShell.h"
|
|
#include "nsTArray.h"
|
|
|
|
typedef struct _nsCocoaAppModalWindowListItem {
|
|
_nsCocoaAppModalWindowListItem(NSWindow *aWindow, NSModalSession aSession) :
|
|
mWindow(aWindow), mSession(aSession), mWidget(nsnull) {}
|
|
_nsCocoaAppModalWindowListItem(NSWindow *aWindow, nsCocoaWindow *aWidget) :
|
|
mWindow(aWindow), mSession(nil), mWidget(aWidget) {}
|
|
NSWindow *mWindow; // Weak
|
|
NSModalSession mSession; // Weak (not retainable)
|
|
nsCocoaWindow *mWidget; // Weak
|
|
} nsCocoaAppModalWindowListItem;
|
|
|
|
class nsCocoaAppModalWindowList {
|
|
public:
|
|
nsCocoaAppModalWindowList() {}
|
|
~nsCocoaAppModalWindowList() {}
|
|
// Push a Cocoa app-modal window onto the top of our list.
|
|
nsresult PushCocoa(NSWindow *aWindow, NSModalSession aSession);
|
|
// Pop the topmost Cocoa app-modal window off our list.
|
|
nsresult PopCocoa(NSWindow *aWindow, NSModalSession aSession);
|
|
// Push a Gecko-modal window onto the top of our list.
|
|
nsresult PushGecko(NSWindow *aWindow, nsCocoaWindow *aWidget);
|
|
// Pop the topmost Gecko-modal window off our list.
|
|
nsresult PopGecko(NSWindow *aWindow, nsCocoaWindow *aWidget);
|
|
// Return the "session" of the top-most visible Cocoa app-modal window.
|
|
NSModalSession CurrentSession();
|
|
// Has a Gecko modal dialog popped up over a Cocoa app-modal dialog?
|
|
bool GeckoModalAboveCocoaModal();
|
|
private:
|
|
nsTArray<nsCocoaAppModalWindowListItem> mList;
|
|
};
|
|
|
|
@class AppShellDelegate;
|
|
|
|
class nsAppShell : public nsBaseAppShell
|
|
{
|
|
public:
|
|
NS_IMETHOD ResumeNative(void);
|
|
|
|
nsAppShell();
|
|
|
|
nsresult Init();
|
|
|
|
NS_IMETHOD Run(void);
|
|
NS_IMETHOD Exit(void);
|
|
NS_IMETHOD OnProcessNextEvent(nsIThreadInternal *aThread, bool aMayWait,
|
|
PRUint32 aRecursionDepth);
|
|
NS_IMETHOD AfterProcessNextEvent(nsIThreadInternal *aThread,
|
|
PRUint32 aRecursionDepth);
|
|
|
|
// public only to be visible to Objective-C code that must call it
|
|
void WillTerminate();
|
|
|
|
protected:
|
|
virtual ~nsAppShell();
|
|
|
|
virtual void ScheduleNativeEventCallback();
|
|
virtual bool ProcessNextNativeEvent(bool aMayWait);
|
|
|
|
bool InGeckoMainEventLoop();
|
|
|
|
static void ProcessGeckoEvents(void* aInfo);
|
|
|
|
protected:
|
|
CFMutableArrayRef mAutoreleasePools;
|
|
|
|
AppShellDelegate* mDelegate;
|
|
CFRunLoopRef mCFRunLoop;
|
|
CFRunLoopSourceRef mCFRunLoopSource;
|
|
|
|
bool mRunningEventLoop;
|
|
bool mStarted;
|
|
bool mTerminated;
|
|
bool mSkippedNativeCallback;
|
|
bool mRunningCocoaEmbedded;
|
|
|
|
// mHadMoreEventsCount and kHadMoreEventsCountMax are used in
|
|
// ProcessNextNativeEvent().
|
|
PRUint32 mHadMoreEventsCount;
|
|
// Setting kHadMoreEventsCountMax to '10' contributed to a fairly large
|
|
// (about 10%) increase in the number of calls to malloc (though without
|
|
// effecting the total amount of memory used). Cutting it to '3'
|
|
// reduced the number of calls by 6%-7% (reducing the original regression
|
|
// to 3%-4%). See bmo bug 395397.
|
|
static const PRUint32 kHadMoreEventsCountMax = 3;
|
|
|
|
PRInt32 mRecursionDepth;
|
|
PRInt32 mNativeEventCallbackDepth;
|
|
// Can be set from different threads, so must be modified atomically
|
|
PRInt32 mNativeEventScheduledDepth;
|
|
};
|
|
|
|
#endif // nsAppShell_h_
|