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-rw-r--r--widget/cocoa/nsAppShell.h96
1 files changed, 96 insertions, 0 deletions
diff --git a/widget/cocoa/nsAppShell.h b/widget/cocoa/nsAppShell.h
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+++ b/widget/cocoa/nsAppShell.h
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+/* -*- 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_