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Diffstat (limited to '')
-rw-r--r-- | widget/cocoa/nsAppShell.h | 96 |
1 files changed, 96 insertions, 0 deletions
diff --git a/widget/cocoa/nsAppShell.h b/widget/cocoa/nsAppShell.h new file mode 100644 index 0000000000..921a166436 --- /dev/null +++ b/widget/cocoa/nsAppShell.h @@ -0,0 +1,96 @@ +/* -*- Mode: c++; tab-width: 2; indent-tabs-mode: nil; -*- */ +/* This Source Code Form is subject to the terms of the Mozilla Public + * License, v. 2.0. If a copy of the MPL was not distributed with this + * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ + +/* + * Runs the main native Cocoa run loop, interrupting it as needed to process + * Gecko events. + */ + +#ifndef nsAppShell_h_ +#define nsAppShell_h_ + +#import <AppKit/NSApplication.h> + +#include "nsBaseAppShell.h" +#include "nsTArray.h" + +class ProfilingStack; + +namespace mozilla { +class nsAvailableMemoryWatcherBase; +} + +// GeckoNSApplication +// +// Subclass of NSApplication for filtering out certain events. +@interface GeckoNSApplication : NSApplication { +} +@property(readonly) BOOL didLaunch; +@end + +@class AppShellDelegate; + +class nsAppShell : public nsBaseAppShell { + public: + NS_IMETHOD ResumeNative(void) override; + + nsAppShell(); + + nsresult Init(); + + NS_IMETHOD Run(void) override; + NS_IMETHOD Exit(void) override; + NS_IMETHOD OnProcessNextEvent(nsIThreadInternal* aThread, + bool aMayWait) override; + NS_IMETHOD AfterProcessNextEvent(nsIThreadInternal* aThread, + bool aEventWasProcessed) override; + + void OnRunLoopActivityChanged(CFRunLoopActivity aActivity); + + // public only to be visible to Objective-C code that must call it + void WillTerminate(); + + static void OnMemoryPressureChanged( + dispatch_source_memorypressure_flags_t aPressureLevel); + + protected: + virtual ~nsAppShell(); + + virtual void ScheduleNativeEventCallback() override; + virtual bool ProcessNextNativeEvent(bool aMayWait) override; + + void InitMemoryPressureObserver(); + + static void ProcessGeckoEvents(void* aInfo); + + protected: + CFMutableArrayRef mAutoreleasePools; + + AppShellDelegate* mDelegate; + CFRunLoopRef mCFRunLoop; + CFRunLoopSourceRef mCFRunLoopSource; + + // An observer for the profiler that is notified when the event loop enters + // and exits the waiting state. + CFRunLoopObserverRef mCFRunLoopObserver; + + // Non-null while the native event loop is in the waiting state. + ProfilingStack* mProfilingStackWhileWaiting = nullptr; + + // For getting notifications from the OS about memory pressure state changes. + dispatch_source_t mMemoryPressureSource = nullptr; + + bool mRunningEventLoop; + bool mStarted; + bool mTerminated; + bool mSkippedNativeCallback; + bool mRunningCocoaEmbedded; + + int32_t mNativeEventCallbackDepth; + // Can be set from different threads, so must be modified atomically + int32_t mNativeEventScheduledDepth; +}; + +#endif // nsAppShell_h_ |