зеркало из https://github.com/mozilla/pjs.git
142 строки
5.2 KiB
Objective-C
142 строки
5.2 KiB
Objective-C
/* -*- Mode: c++; tab-width: 2; indent-tabs-mode: nil; -*- */
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/* ***** BEGIN LICENSE BLOCK *****
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* Version: MPL 1.1/GPL 2.0/LGPL 2.1
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*
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* The contents of this file are subject to the Mozilla Public License Version
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* 1.1 (the "License"); you may not use this file except in compliance with
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* the License. You may obtain a copy of the License at
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* http://www.mozilla.org/MPL/
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*
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* Software distributed under the License is distributed on an "AS IS" basis,
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* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
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* for the specific language governing rights and limitations under the
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* License.
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*
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* The Original Code is a Cocoa widget run loop and event implementation.
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*
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* The Initial Developer of the Original Code is Google Inc.
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* Portions created by the Initial Developer are Copyright (C) 2006
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* the Initial Developer. All Rights Reserved.
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*
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* Contributor(s):
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* Mark Mentovai <mark@moxienet.com> (Original Author)
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*
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* Alternatively, the contents of this file may be used under the terms of
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* either the GNU General Public License Version 2 or later (the "GPL"), or
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* the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
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* in which case the provisions of the GPL or the LGPL are applicable instead
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* of those above. If you wish to allow use of your version of this file only
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* under the terms of either the GPL or the LGPL, and not to allow others to
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* use your version of this file under the terms of the MPL, indicate your
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* decision by deleting the provisions above and replace them with the notice
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* and other provisions required by the GPL or the LGPL. If you do not delete
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* the provisions above, a recipient may use your version of this file under
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* the terms of any one of the MPL, the GPL or the LGPL.
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*
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* ***** END LICENSE BLOCK ***** */
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/*
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* Runs the main native Cocoa run loop, interrupting it as needed to process
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* Gecko events.
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*/
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#ifndef nsAppShell_h_
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#define nsAppShell_h_
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class nsCocoaWindow;
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#include "nsBaseAppShell.h"
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#include "nsTArray.h"
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typedef struct _nsCocoaAppModalWindowListItem {
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_nsCocoaAppModalWindowListItem(NSWindow *aWindow, NSModalSession aSession) :
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mWindow(aWindow), mSession(aSession), mWidget(nsnull) {}
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_nsCocoaAppModalWindowListItem(NSWindow *aWindow, nsCocoaWindow *aWidget) :
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mWindow(aWindow), mSession(nil), mWidget(aWidget) {}
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NSWindow *mWindow; // Weak
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NSModalSession mSession; // Weak (not retainable)
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nsCocoaWindow *mWidget; // Weak
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} nsCocoaAppModalWindowListItem;
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class nsCocoaAppModalWindowList {
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public:
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nsCocoaAppModalWindowList() {}
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~nsCocoaAppModalWindowList() {}
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// Push a Cocoa app-modal window onto the top of our list.
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nsresult PushCocoa(NSWindow *aWindow, NSModalSession aSession);
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// Pop the topmost Cocoa app-modal window off our list.
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nsresult PopCocoa(NSWindow *aWindow, NSModalSession aSession);
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// Push a Gecko-modal window onto the top of our list.
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nsresult PushGecko(NSWindow *aWindow, nsCocoaWindow *aWidget);
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// Pop the topmost Gecko-modal window off our list.
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nsresult PopGecko(NSWindow *aWindow, nsCocoaWindow *aWidget);
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// Return the "session" of the top-most visible Cocoa app-modal window.
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NSModalSession CurrentSession();
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// Has a Gecko modal dialog popped up over a Cocoa app-modal dialog?
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bool GeckoModalAboveCocoaModal();
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private:
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nsTArray<nsCocoaAppModalWindowListItem> mList;
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};
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@class AppShellDelegate;
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class nsAppShell : public nsBaseAppShell
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{
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public:
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NS_IMETHOD ResumeNative(void);
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nsAppShell();
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nsresult Init();
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NS_IMETHOD Run(void);
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NS_IMETHOD Exit(void);
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NS_IMETHOD OnProcessNextEvent(nsIThreadInternal *aThread, bool aMayWait,
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PRUint32 aRecursionDepth);
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NS_IMETHOD AfterProcessNextEvent(nsIThreadInternal *aThread,
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PRUint32 aRecursionDepth);
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// public only to be visible to Objective-C code that must call it
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void WillTerminate();
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protected:
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virtual ~nsAppShell();
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virtual void ScheduleNativeEventCallback();
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virtual bool ProcessNextNativeEvent(bool aMayWait);
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bool InGeckoMainEventLoop();
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static void ProcessGeckoEvents(void* aInfo);
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protected:
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CFMutableArrayRef mAutoreleasePools;
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AppShellDelegate* mDelegate;
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CFRunLoopRef mCFRunLoop;
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CFRunLoopSourceRef mCFRunLoopSource;
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bool mRunningEventLoop;
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bool mStarted;
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bool mTerminated;
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bool mSkippedNativeCallback;
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bool mRunningCocoaEmbedded;
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// mHadMoreEventsCount and kHadMoreEventsCountMax are used in
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// ProcessNextNativeEvent().
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PRUint32 mHadMoreEventsCount;
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// Setting kHadMoreEventsCountMax to '10' contributed to a fairly large
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// (about 10%) increase in the number of calls to malloc (though without
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// effecting the total amount of memory used). Cutting it to '3'
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// reduced the number of calls by 6%-7% (reducing the original regression
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// to 3%-4%). See bmo bug 395397.
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static const PRUint32 kHadMoreEventsCountMax = 3;
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PRInt32 mRecursionDepth;
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PRInt32 mNativeEventCallbackDepth;
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// Can be set from different threads, so must be modified atomically
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PRInt32 mNativeEventScheduledDepth;
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};
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#endif // nsAppShell_h_
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