Fix bug 105043: Panels [WIN]: For minimize panels, taskbar hover preview show the 4-pixel represent…

ui/views/widget/native_widget_win.h

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef UI_VIEWS_WIDGET_NATIVE_WIDGET_WIN_H_
 #define UI_VIEWS_WIDGET_NATIVE_WIDGET_WIN_H_
 #pragma once
 
 #include <atlbase.h>
 #include <atlapp.h>
@@ skipping 275 matching lines @@
     // Reflected message handler
     MESSAGE_HANDLER_EX(base::win::kReflectedMessage, OnReflectedMessage)
 
     // CustomFrameWindow hacks
     MESSAGE_HANDLER_EX(WM_NCUAHDRAWCAPTION, OnNCUAHDrawCaption)
     MESSAGE_HANDLER_EX(WM_NCUAHDRAWFRAME, OnNCUAHDrawFrame)
 
     // Vista and newer
     MESSAGE_HANDLER_EX(WM_DWMCOMPOSITIONCHANGED, OnDwmCompositionChanged)
 
+    // Windows 7 and newer
+    MESSAGE_HANDLER_EX(WM_DWMSENDICONICTHUMBNAIL,
+                       OnDwmSendIconicThumbnail)
+    MESSAGE_HANDLER_EX(WM_DWMSENDICONICLIVEPREVIEWBITMAP,
+                       OnDwmSendIconicLivePreviewBitmap)
+
     // Non-atlcrack.h handlers
     MESSAGE_HANDLER_EX(WM_GETOBJECT, OnGetObject)
 
     // Mouse events.
     MESSAGE_HANDLER_EX(WM_MOUSEACTIVATE, OnMouseActivate)
     MESSAGE_HANDLER_EX(WM_MOUSELEAVE, OnMouseRange)
     MESSAGE_HANDLER_EX(WM_NCMOUSELEAVE, OnMouseRange)
     MESSAGE_HANDLER_EX(WM_SETCURSOR, OnSetCursor);
 
     // Key events.
@@ skipping 72 matching lines @@
   virtual void OnClose();
   virtual void OnCommand(UINT notification_code, int command_id, HWND window);
   virtual LRESULT OnCreate(CREATESTRUCT* create_struct);
   // WARNING: If you override this be sure and invoke super, otherwise we'll
   // leak a few things.
   virtual void OnDestroy();
   virtual void OnDisplayChange(UINT bits_per_pixel, CSize screen_size);
   virtual LRESULT OnDwmCompositionChanged(UINT msg,
                                           WPARAM w_param,
                                           LPARAM l_param);
+  virtual LRESULT OnDwmSendIconicThumbnail(UINT msg,
+                                           WPARAM w_param,
+                                           LPARAM l_param);
+  virtual LRESULT OnDwmSendIconicLivePreviewBitmap(UINT msg,
+                                                   WPARAM w_param,
+                                                   LPARAM l_param);
   virtual void OnEndSession(BOOL ending, UINT logoff);
   virtual void OnEnterSizeMove();
   virtual LRESULT OnEraseBkgnd(HDC dc);
   virtual void OnExitMenuLoop(BOOL is_track_popup_menu);
   virtual void OnExitSizeMove();
   virtual LRESULT OnGetObject(UINT uMsg, WPARAM w_param, LPARAM l_param);
   virtual void OnGetMinMaxInfo(MINMAXINFO* minmax_info);
   virtual void OnHScroll(int scroll_type, short position, HWND scrollbar);
   virtual LRESULT OnImeMessages(UINT message, WPARAM w_param, LPARAM l_param);
   virtual void OnInitMenu(HMENU menu);
@@ skipping 255 matching lines @@
   bool has_non_client_view_;
 
   bool remove_standard_frame_;
 
   DISALLOW_COPY_AND_ASSIGN(NativeWidgetWin);
 };
 
 }  // namespace views
 
 #endif  // UI_VIEWS_WIDGET_NATIVE_WIDGET_WIN_H_