chrome/browser/ui/libgtk2ui/app_indicator_icon.h

   1 // Copyright 2013 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_LIBGTK2UI_APP_INDICATOR_ICON_H_
   6 #define CHROME_BROWSER_UI_LIBGTK2UI_APP_INDICATOR_ICON_H_
   7
   8 #include "base/files/file_path.h"
   9 #include "base/memory/weak_ptr.h"
  10 #include "chrome/browser/ui/libgtk2ui/gtk2_signal.h"
  11 #include "ui/views/linux_ui/status_icon_linux.h"
  12
  13 typedef struct _AppIndicator AppIndicator;
  14 typedef struct _GtkWidget GtkWidget;
  15
  16 namespace gfx {
  17 class ImageSkia;
  18 }
  19
  20 namespace ui {
  21 class MenuModel;
  22 }
  23
  24 namespace libgtk2ui {
  25
  26 class AppIndicatorIcon : public views::StatusIconLinux {
  27  public:
  28   // The id uniquely identifies the new status icon from other chrome status
  29   // icons.
  30   AppIndicatorIcon(std::string id,
  31                    const gfx::ImageSkia& image,
  32                    const base::string16& tool_tip);
  33   virtual ~AppIndicatorIcon();
  34
  35   // Indicates whether libappindicator so could be opened.
  36   static bool CouldOpen();
  37
  38   // Overridden from views::StatusIconLinux:
  39   virtual void SetImage(const gfx::ImageSkia& image) OVERRIDE;
  40   virtual void SetPressedImage(const gfx::ImageSkia& image) OVERRIDE;
  41   virtual void SetToolTip(const base::string16& tool_tip) OVERRIDE;
  42   virtual void UpdatePlatformContextMenu(ui::MenuModel* menu) OVERRIDE;
  43   virtual void RefreshPlatformContextMenu() OVERRIDE;
  44
  45  private:
  46   void SetImageFromFile(const base::FilePath& icon_file_path);
  47   void SetMenu();
  48
  49   // Adds a menu item to the top of the existing gtk_menu as a replacement for
  50   // the status icon click action or creates a new gtk menu with the menu item
  51   // if a menu doesn't exist. Clicking on this menu item should simulate a
  52   // status icon click by despatching a click event.
  53   void CreateClickActionReplacement();
  54   void DestroyMenu();
  55
  56   // Callback for when the status icon click replacement menu item is clicked.
  57   CHROMEGTK_CALLBACK_0(AppIndicatorIcon, void, OnClick);
  58
  59   // Callback for when a menu item is clicked.
  60   CHROMEGTK_CALLBACK_0(AppIndicatorIcon, void, OnMenuItemActivated);
  61
  62   std::string id_;
  63   std::string tool_tip_;
  64
  65   // Gtk status icon wrapper
  66   AppIndicator* icon_;
  67
  68   GtkWidget* gtk_menu_;
  69   ui::MenuModel* menu_model_;
  70
  71   base::FilePath icon_file_path_;
  72   int icon_change_count_;
  73   bool block_activation_;
  74
  75   base::WeakPtrFactory<AppIndicatorIcon> weak_factory_;
  76
  77   DISALLOW_COPY_AND_ASSIGN(AppIndicatorIcon);
  78 };
  79
  80 }  // namespace libgtk2ui
  81
  82 #endif  // CHROME_BROWSER_UI_LIBGTK2UI_APP_INDICATOR_ICON_H_