зеркало из https://github.com/mozilla/gecko-dev.git
93 строки
2.4 KiB
Objective-C
93 строки
2.4 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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#import <AppKit/NSApplication.h>
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#include "nsBaseAppShell.h"
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#include "nsTArray.h"
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class ProfilingStack;
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namespace mozilla {
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class nsAvailableMemoryWatcherBase;
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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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@end
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@class AppShellDelegate;
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class nsAppShell : public nsBaseAppShell {
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public:
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NS_IMETHOD ResumeNative(void) override;
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nsAppShell();
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nsresult Init();
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NS_IMETHOD Run(void) override;
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NS_IMETHOD Exit(void) override;
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NS_IMETHOD OnProcessNextEvent(nsIThreadInternal* aThread, bool aMayWait) override;
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NS_IMETHOD AfterProcessNextEvent(nsIThreadInternal* aThread, bool aEventWasProcessed) override;
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void OnRunLoopActivityChanged(CFRunLoopActivity aActivity);
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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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static void OnMemoryPressureChanged(dispatch_source_memorypressure_flags_t aPressureLevel);
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protected:
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virtual ~nsAppShell();
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virtual void ScheduleNativeEventCallback() override;
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virtual bool ProcessNextNativeEvent(bool aMayWait) override;
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void InitMemoryPressureObserver();
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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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// An observer for the profiler that is notified when the event loop enters
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// and exits the waiting state.
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CFRunLoopObserverRef mCFRunLoopObserver;
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// Non-null while the native event loop is in the waiting state.
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ProfilingStack* mProfilingStackWhileWaiting = nullptr;
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// For getting notifications from the OS about memory pressure state changes.
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dispatch_source_t mMemoryPressureSource = nullptr;
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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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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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