зеркало из https://github.com/mozilla/gecko-dev.git
118 строки
3.8 KiB
Objective-C
118 строки
3.8 KiB
Objective-C
/* -*- Mode: c++; tab-width: 2; indent-tabs-mode: nil; -*- */
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/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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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(nullptr) {}
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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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// GeckoNSApplication
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//
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// Subclass of NSApplication for filtering out certain events.
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@interface GeckoNSApplication : NSApplication
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{
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}
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@end
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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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uint32_t aRecursionDepth);
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NS_IMETHOD AfterProcessNextEvent(nsIThreadInternal *aThread,
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uint32_t 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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uint32_t 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 uint32_t kHadMoreEventsCountMax = 3;
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int32_t mRecursionDepth;
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int32_t mNativeEventCallbackDepth;
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// Can be set from different threads, so must be modified atomically
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int32_t mNativeEventScheduledDepth;
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};
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#endif // nsAppShell_h_
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