chrome/browser/ui/views/status_icons/status_tray_win.h

   1 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
   2 // Use of this source code is governed by a BSD-style license that can be
   3 // found in the LICENSE file.
   4
   5 #ifndef CHROME_BROWSER_UI_VIEWS_STATUS_ICONS_STATUS_TRAY_WIN_H_
   6 #define CHROME_BROWSER_UI_VIEWS_STATUS_ICONS_STATUS_TRAY_WIN_H_
   7
   8 #include <windows.h>
   9
  10 #include "base/compiler_specific.h"
  11 #include "chrome/browser/status_icons/status_tray.h"
  12
  13 class StatusTrayWin : public StatusTray {
  14  public:
  15   StatusTrayWin();
  16   ~StatusTrayWin();
  17
  18   // Exposed for testing.
  19   LRESULT CALLBACK WndProc(HWND hwnd,
  20                            UINT message,
  21                            WPARAM wparam,
  22                            LPARAM lparam);
  23
  24  protected:
  25   // Overriden from StatusTray:
  26   virtual StatusIcon* CreatePlatformStatusIcon(
  27       StatusIconType type,
  28       const gfx::ImageSkia& image,
  29       const string16& tool_tip) OVERRIDE;
  30
  31  private:
  32   // Static callback invoked when a message comes in to our messaging window.
  33   static LRESULT CALLBACK WndProcStatic(HWND hwnd,
  34                                         UINT message,
  35                                         WPARAM wparam,
  36                                         LPARAM lparam);
  37
  38   UINT NextIconId();
  39
  40   // The unique icon ID we will assign to the next icon.
  41   UINT next_icon_id_;
  42
  43   // The window class of |window_|.
  44   ATOM atom_;
  45
  46   // The handle of the module that contains the window procedure of |window_|.
  47   HMODULE instance_;
  48
  49   // The window used for processing events.
  50   HWND window_;
  51
  52   // The message ID of the "TaskbarCreated" message, sent to us when we need to
  53   // reset our status icons.
  54   UINT taskbar_created_message_;
  55
  56   DISALLOW_COPY_AND_ASSIGN(StatusTrayWin);
  57 };
  58
  59 #endif  // CHROME_BROWSER_UI_VIEWS_STATUS_ICONS_STATUS_TRAY_WIN_H_
  60