1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/widget/cocoa/nsAppShell.h Wed Dec 31 06:09:35 2014 +0100
1.3 @@ -0,0 +1,118 @@
1.4 +/* -*- Mode: c++; tab-width: 2; indent-tabs-mode: nil; -*- */
1.5 +/* This Source Code Form is subject to the terms of the Mozilla Public
1.6 + * License, v. 2.0. If a copy of the MPL was not distributed with this
1.7 + * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
1.8 +
1.9 +/*
1.10 + * Runs the main native Cocoa run loop, interrupting it as needed to process
1.11 + * Gecko events.
1.12 + */
1.13 +
1.14 +#ifndef nsAppShell_h_
1.15 +#define nsAppShell_h_
1.16 +
1.17 +class nsCocoaWindow;
1.18 +
1.19 +#include "nsBaseAppShell.h"
1.20 +#include "nsTArray.h"
1.21 +
1.22 +typedef struct _nsCocoaAppModalWindowListItem {
1.23 + _nsCocoaAppModalWindowListItem(NSWindow *aWindow, NSModalSession aSession) :
1.24 + mWindow(aWindow), mSession(aSession), mWidget(nullptr) {}
1.25 + _nsCocoaAppModalWindowListItem(NSWindow *aWindow, nsCocoaWindow *aWidget) :
1.26 + mWindow(aWindow), mSession(nil), mWidget(aWidget) {}
1.27 + NSWindow *mWindow; // Weak
1.28 + NSModalSession mSession; // Weak (not retainable)
1.29 + nsCocoaWindow *mWidget; // Weak
1.30 +} nsCocoaAppModalWindowListItem;
1.31 +
1.32 +class nsCocoaAppModalWindowList {
1.33 +public:
1.34 + nsCocoaAppModalWindowList() {}
1.35 + ~nsCocoaAppModalWindowList() {}
1.36 + // Push a Cocoa app-modal window onto the top of our list.
1.37 + nsresult PushCocoa(NSWindow *aWindow, NSModalSession aSession);
1.38 + // Pop the topmost Cocoa app-modal window off our list.
1.39 + nsresult PopCocoa(NSWindow *aWindow, NSModalSession aSession);
1.40 + // Push a Gecko-modal window onto the top of our list.
1.41 + nsresult PushGecko(NSWindow *aWindow, nsCocoaWindow *aWidget);
1.42 + // Pop the topmost Gecko-modal window off our list.
1.43 + nsresult PopGecko(NSWindow *aWindow, nsCocoaWindow *aWidget);
1.44 + // Return the "session" of the top-most visible Cocoa app-modal window.
1.45 + NSModalSession CurrentSession();
1.46 + // Has a Gecko modal dialog popped up over a Cocoa app-modal dialog?
1.47 + bool GeckoModalAboveCocoaModal();
1.48 +private:
1.49 + nsTArray<nsCocoaAppModalWindowListItem> mList;
1.50 +};
1.51 +
1.52 +// GeckoNSApplication
1.53 +//
1.54 +// Subclass of NSApplication for filtering out certain events.
1.55 +@interface GeckoNSApplication : NSApplication
1.56 +{
1.57 +}
1.58 +@end
1.59 +
1.60 +@class AppShellDelegate;
1.61 +
1.62 +class nsAppShell : public nsBaseAppShell
1.63 +{
1.64 +public:
1.65 + NS_IMETHOD ResumeNative(void);
1.66 +
1.67 + nsAppShell();
1.68 +
1.69 + nsresult Init();
1.70 +
1.71 + NS_IMETHOD Run(void);
1.72 + NS_IMETHOD Exit(void);
1.73 + NS_IMETHOD OnProcessNextEvent(nsIThreadInternal *aThread, bool aMayWait,
1.74 + uint32_t aRecursionDepth);
1.75 + NS_IMETHOD AfterProcessNextEvent(nsIThreadInternal *aThread,
1.76 + uint32_t aRecursionDepth,
1.77 + bool aEventWasProcessed);
1.78 +
1.79 + // public only to be visible to Objective-C code that must call it
1.80 + void WillTerminate();
1.81 +
1.82 +protected:
1.83 + virtual ~nsAppShell();
1.84 +
1.85 + virtual void ScheduleNativeEventCallback();
1.86 + virtual bool ProcessNextNativeEvent(bool aMayWait);
1.87 +
1.88 + bool InGeckoMainEventLoop();
1.89 +
1.90 + static void ProcessGeckoEvents(void* aInfo);
1.91 +
1.92 +protected:
1.93 + CFMutableArrayRef mAutoreleasePools;
1.94 +
1.95 + AppShellDelegate* mDelegate;
1.96 + CFRunLoopRef mCFRunLoop;
1.97 + CFRunLoopSourceRef mCFRunLoopSource;
1.98 +
1.99 + bool mRunningEventLoop;
1.100 + bool mStarted;
1.101 + bool mTerminated;
1.102 + bool mSkippedNativeCallback;
1.103 + bool mRunningCocoaEmbedded;
1.104 +
1.105 + // mHadMoreEventsCount and kHadMoreEventsCountMax are used in
1.106 + // ProcessNextNativeEvent().
1.107 + uint32_t mHadMoreEventsCount;
1.108 + // Setting kHadMoreEventsCountMax to '10' contributed to a fairly large
1.109 + // (about 10%) increase in the number of calls to malloc (though without
1.110 + // effecting the total amount of memory used). Cutting it to '3'
1.111 + // reduced the number of calls by 6%-7% (reducing the original regression
1.112 + // to 3%-4%). See bmo bug 395397.
1.113 + static const uint32_t kHadMoreEventsCountMax = 3;
1.114 +
1.115 + int32_t mRecursionDepth;
1.116 + int32_t mNativeEventCallbackDepth;
1.117 + // Can be set from different threads, so must be modified atomically
1.118 + int32_t mNativeEventScheduledDepth;
1.119 +};
1.120 +
1.121 +#endif // nsAppShell_h_
