michael@0: /* -*- Mode: c++; tab-width: 2; indent-tabs-mode: nil; -*- */
michael@0: /* This Source Code Form is subject to the terms of the Mozilla Public
michael@0:  * License, v. 2.0. If a copy of the MPL was not distributed with this
michael@0:  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
michael@0: 
michael@0: #ifndef nsAppShell_h__
michael@0: #define nsAppShell_h__
michael@0: 
michael@0: #include "nsBaseAppShell.h"
michael@0: #include <windows.h>
michael@0: #include "mozilla/TimeStamp.h"
michael@0: #include "mozilla/Mutex.h"
michael@0: 
michael@0: // The maximum time we allow before forcing a native event callback.
michael@0: // In seconds.
michael@0: #define NATIVE_EVENT_STARVATION_LIMIT 1
michael@0: 
michael@0: /**
michael@0:  * Native Win32 Application shell wrapper
michael@0:  */
michael@0: class nsAppShell : public nsBaseAppShell
michael@0: {
michael@0: public:
michael@0:   nsAppShell() :
michael@0:     mEventWnd(nullptr),
michael@0:     mNativeCallbackPending(false),
michael@0:     mLastNativeEventScheduledMutex("nsAppShell::mLastNativeEventScheduledMutex")
michael@0:   {}
michael@0:   typedef mozilla::TimeStamp TimeStamp;
michael@0:   typedef mozilla::Mutex Mutex;
michael@0: 
michael@0:   nsresult Init();
michael@0:   void DoProcessMoreGeckoEvents();
michael@0: 
michael@0:   static UINT GetTaskbarButtonCreatedMessage();
michael@0: 
michael@0: protected:
michael@0:   NS_IMETHOD Run();
michael@0:   NS_IMETHOD Exit();
michael@0:   virtual void ScheduleNativeEventCallback();
michael@0:   virtual bool ProcessNextNativeEvent(bool mayWait);
michael@0:   virtual ~nsAppShell();
michael@0: 
michael@0:   static LRESULT CALLBACK EventWindowProc(HWND, UINT, WPARAM, LPARAM);
michael@0: 
michael@0: protected:
michael@0:   HWND mEventWnd;
michael@0:   bool mNativeCallbackPending;
michael@0: 
michael@0:   Mutex mLastNativeEventScheduledMutex;
michael@0:   TimeStamp mLastNativeEventScheduled;
michael@0: };
michael@0: 
michael@0: #endif // nsAppShell_h__