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      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_ICON_WIN_H_
      6 #define CHROME_BROWSER_UI_VIEWS_STATUS_ICONS_STATUS_ICON_WIN_H_
      7 
      8 #include <windows.h>
      9 #include <shellapi.h>
     10 
     11 #include "base/basictypes.h"
     12 #include "base/compiler_specific.h"
     13 #include "base/memory/scoped_ptr.h"
     14 #include "base/win/scoped_gdi_object.h"
     15 #include "chrome/browser/status_icons/status_icon.h"
     16 
     17 namespace gfx {
     18 class Point;
     19 }
     20 
     21 namespace views {
     22 class MenuRunner;
     23 }
     24 
     25 class StatusTrayWin;
     26 
     27 class StatusIconWin : public StatusIcon {
     28  public:
     29   // Constructor which provides this icon's unique ID and messaging window.
     30   StatusIconWin(StatusTrayWin* tray, UINT id, HWND window, UINT message);
     31   virtual ~StatusIconWin();
     32 
     33   // Handles a click event from the user - if |left_button_click| is true and
     34   // there is a registered observer, passes the click event to the observer,
     35   // otherwise displays the context menu if there is one.
     36   void HandleClickEvent(const gfx::Point& cursor_pos, bool left_button_click);
     37 
     38   // Handles a click on the balloon from the user.
     39   void HandleBalloonClickEvent();
     40 
     41   // Re-creates the status tray icon now after the taskbar has been created.
     42   void ResetIcon();
     43 
     44   UINT icon_id() const { return icon_id_; }
     45   HWND window() const { return window_; }
     46   UINT message_id() const { return message_id_; }
     47 
     48   // Overridden from StatusIcon:
     49   virtual void SetImage(const gfx::ImageSkia& image) OVERRIDE;
     50   virtual void SetPressedImage(const gfx::ImageSkia& image) OVERRIDE;
     51   virtual void SetToolTip(const base::string16& tool_tip) OVERRIDE;
     52   virtual void DisplayBalloon(const gfx::ImageSkia& icon,
     53                               const base::string16& title,
     54                               const base::string16& contents) OVERRIDE;
     55   virtual void ForceVisible() OVERRIDE;
     56 
     57  protected:
     58   // Overridden from StatusIcon:
     59   virtual void UpdatePlatformContextMenu(StatusIconMenuModel* menu) OVERRIDE;
     60 
     61  private:
     62   void InitIconData(NOTIFYICONDATA* icon_data);
     63 
     64   // The tray that owns us.  Weak.
     65   StatusTrayWin* tray_;
     66 
     67   // The unique ID corresponding to this icon.
     68   UINT icon_id_;
     69 
     70   // Window used for processing messages from this icon.
     71   HWND window_;
     72 
     73   // The message identifier used for status icon messages.
     74   UINT message_id_;
     75 
     76   // The currently-displayed icon for the window.
     77   base::win::ScopedHICON icon_;
     78 
     79   // The currently-displayed icon for the notification balloon.
     80   base::win::ScopedHICON balloon_icon_;
     81 
     82   // Not owned.
     83   ui::MenuModel* menu_model_;
     84 
     85   // Context menu associated with this icon (if any).
     86   scoped_ptr<views::MenuRunner> menu_runner_;
     87 
     88   DISALLOW_COPY_AND_ASSIGN(StatusIconWin);
     89 };
     90 
     91 #endif  // CHROME_BROWSER_UI_VIEWS_STATUS_ICONS_STATUS_ICON_WIN_H_
     92