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      1 /*
      2  * libjingle
      3  * Copyright 2004--2005, Google Inc.
      4  *
      5  * Redistribution and use in source and binary forms, with or without
      6  * modification, are permitted provided that the following conditions are met:
      7  *
      8  *  1. Redistributions of source code must retain the above copyright notice,
      9  *     this list of conditions and the following disclaimer.
     10  *  2. Redistributions in binary form must reproduce the above copyright notice,
     11  *     this list of conditions and the following disclaimer in the documentation
     12  *     and/or other materials provided with the distribution.
     13  *  3. The name of the author may not be used to endorse or promote products
     14  *     derived from this software without specific prior written permission.
     15  *
     16  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
     17  * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
     18  * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO
     19  * EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
     20  * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
     21  * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
     22  * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
     23  * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
     24  * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
     25  * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
     26  */
     27 
     28 #ifndef TALK_BASE_WIN32WINDOW_H_
     29 #define TALK_BASE_WIN32WINDOW_H_
     30 
     31 #ifdef WIN32
     32 
     33 #include "talk/base/win32.h"
     34 
     35 namespace talk_base {
     36 
     37 ///////////////////////////////////////////////////////////////////////////////
     38 // Win32Window
     39 ///////////////////////////////////////////////////////////////////////////////
     40 
     41 class Win32Window {
     42  public:
     43   Win32Window();
     44   virtual ~Win32Window();
     45 
     46   HWND handle() const { return wnd_; }
     47 
     48   bool Create(HWND parent, const wchar_t* title, DWORD style, DWORD exstyle,
     49               int x, int y, int cx, int cy);
     50   void Destroy();
     51 
     52   // Call this first if you are running inside a DLL.
     53   static void SetInstance(HINSTANCE instance);
     54   // Call this when your DLL unloads.
     55   static void Shutdown();
     56 
     57  protected:
     58   virtual bool OnMessage(UINT uMsg, WPARAM wParam, LPARAM lParam,
     59                          LRESULT& result);
     60 
     61   virtual bool OnClose() { return true; }
     62   virtual void OnDestroyed() { }
     63 
     64  private:
     65   static LRESULT CALLBACK WndProc(HWND hwnd, UINT uMsg, WPARAM wParam,
     66                                   LPARAM lParam);
     67 
     68   HWND wnd_;
     69   static HINSTANCE instance_;
     70   static ATOM window_class_;
     71 };
     72 
     73 ///////////////////////////////////////////////////////////////////////////////
     74 
     75 }  // namespace talk_base
     76 
     77 #endif  // WIN32
     78 
     79 #endif  // TALK_BASE_WIN32WINDOW_H_
     80