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widget/cocoa/nsAppShell.h@7e26c7da4463 (annotated)

widget/cocoa/nsAppShell.h

Wed, 31 Dec 2014 06:55:50 +0100

author

Michael Schloh von Bennewitz <michael@schloh.com>

date

Wed, 31 Dec 2014 06:55:50 +0100

changeset 2

7e26c7da4463

permissions

-rw-r--r--

Added tag UPSTREAM_283F7C6 for changeset ca08bd8f51b2

michael@0	1	/* -*- Mode: c++; tab-width: 2; indent-tabs-mode: nil; -*- */
michael@0	2	/* This Source Code Form is subject to the terms of the Mozilla Public
michael@0	3	* License, v. 2.0. If a copy of the MPL was not distributed with this
michael@0	4	* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
michael@0	5
michael@0	6	/*
michael@0	7	* Runs the main native Cocoa run loop, interrupting it as needed to process
michael@0	8	* Gecko events.
michael@0	9	*/
michael@0	10
michael@0	11	#ifndef nsAppShell_h_
michael@0	12	#define nsAppShell_h_
michael@0	13
michael@0	14	class nsCocoaWindow;
michael@0	15
michael@0	16	#include "nsBaseAppShell.h"
michael@0	17	#include "nsTArray.h"
michael@0	18
michael@0	19	typedef struct _nsCocoaAppModalWindowListItem {
michael@0	20	_nsCocoaAppModalWindowListItem(NSWindow *aWindow, NSModalSession aSession) :
michael@0	21	mWindow(aWindow), mSession(aSession), mWidget(nullptr) {}
michael@0	22	_nsCocoaAppModalWindowListItem(NSWindow *aWindow, nsCocoaWindow *aWidget) :
michael@0	23	mWindow(aWindow), mSession(nil), mWidget(aWidget) {}
michael@0	24	NSWindow *mWindow; // Weak
michael@0	25	NSModalSession mSession; // Weak (not retainable)
michael@0	26	nsCocoaWindow *mWidget; // Weak
michael@0	27	} nsCocoaAppModalWindowListItem;
michael@0	28
michael@0	29	class nsCocoaAppModalWindowList {
michael@0	30	public:
michael@0	31	nsCocoaAppModalWindowList() {}
michael@0	32	~nsCocoaAppModalWindowList() {}
michael@0	33	// Push a Cocoa app-modal window onto the top of our list.
michael@0	34	nsresult PushCocoa(NSWindow *aWindow, NSModalSession aSession);
michael@0	35	// Pop the topmost Cocoa app-modal window off our list.
michael@0	36	nsresult PopCocoa(NSWindow *aWindow, NSModalSession aSession);
michael@0	37	// Push a Gecko-modal window onto the top of our list.
michael@0	38	nsresult PushGecko(NSWindow *aWindow, nsCocoaWindow *aWidget);
michael@0	39	// Pop the topmost Gecko-modal window off our list.
michael@0	40	nsresult PopGecko(NSWindow *aWindow, nsCocoaWindow *aWidget);
michael@0	41	// Return the "session" of the top-most visible Cocoa app-modal window.
michael@0	42	NSModalSession CurrentSession();
michael@0	43	// Has a Gecko modal dialog popped up over a Cocoa app-modal dialog?
michael@0	44	bool GeckoModalAboveCocoaModal();
michael@0	45	private:
michael@0	46	nsTArray<nsCocoaAppModalWindowListItem> mList;
michael@0	47	};
michael@0	48
michael@0	49	// GeckoNSApplication
michael@0	50	//
michael@0	51	// Subclass of NSApplication for filtering out certain events.
michael@0	52	@interface GeckoNSApplication : NSApplication
michael@0	53	{
michael@0	54	}
michael@0	55	@end
michael@0	56
michael@0	57	@class AppShellDelegate;
michael@0	58
michael@0	59	class nsAppShell : public nsBaseAppShell
michael@0	60	{
michael@0	61	public:
michael@0	62	NS_IMETHOD ResumeNative(void);
michael@0	63
michael@0	64	nsAppShell();
michael@0	65
michael@0	66	nsresult Init();
michael@0	67
michael@0	68	NS_IMETHOD Run(void);
michael@0	69	NS_IMETHOD Exit(void);
michael@0	70	NS_IMETHOD OnProcessNextEvent(nsIThreadInternal *aThread, bool aMayWait,
michael@0	71	uint32_t aRecursionDepth);
michael@0	72	NS_IMETHOD AfterProcessNextEvent(nsIThreadInternal *aThread,
michael@0	73	uint32_t aRecursionDepth,
michael@0	74	bool aEventWasProcessed);
michael@0	75
michael@0	76	// public only to be visible to Objective-C code that must call it
michael@0	77	void WillTerminate();
michael@0	78
michael@0	79	protected:
michael@0	80	virtual ~nsAppShell();
michael@0	81
michael@0	82	virtual void ScheduleNativeEventCallback();
michael@0	83	virtual bool ProcessNextNativeEvent(bool aMayWait);
michael@0	84
michael@0	85	bool InGeckoMainEventLoop();
michael@0	86
michael@0	87	static void ProcessGeckoEvents(void* aInfo);
michael@0	88
michael@0	89	protected:
michael@0	90	CFMutableArrayRef mAutoreleasePools;
michael@0	91
michael@0	92	AppShellDelegate* mDelegate;
michael@0	93	CFRunLoopRef mCFRunLoop;
michael@0	94	CFRunLoopSourceRef mCFRunLoopSource;
michael@0	95
michael@0	96	bool mRunningEventLoop;
michael@0	97	bool mStarted;
michael@0	98	bool mTerminated;
michael@0	99	bool mSkippedNativeCallback;
michael@0	100	bool mRunningCocoaEmbedded;
michael@0	101
michael@0	102	// mHadMoreEventsCount and kHadMoreEventsCountMax are used in
michael@0	103	// ProcessNextNativeEvent().
michael@0	104	uint32_t mHadMoreEventsCount;
michael@0	105	// Setting kHadMoreEventsCountMax to '10' contributed to a fairly large
michael@0	106	// (about 10%) increase in the number of calls to malloc (though without
michael@0	107	// effecting the total amount of memory used). Cutting it to '3'
michael@0	108	// reduced the number of calls by 6%-7% (reducing the original regression
michael@0	109	// to 3%-4%). See bmo bug 395397.
michael@0	110	static const uint32_t kHadMoreEventsCountMax = 3;
michael@0	111
michael@0	112	int32_t mRecursionDepth;
michael@0	113	int32_t mNativeEventCallbackDepth;
michael@0	114	// Can be set from different threads, so must be modified atomically
michael@0	115	int32_t mNativeEventScheduledDepth;
michael@0	116	};
michael@0	117
michael@0	118	#endif // nsAppShell_h_