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/scoped_ptr.h"
  10 #include "base/memory/weak_ptr.h"
  11 #include "chrome/browser/ui/libgtk2ui/gtk2_signal.h"
  12 #include "ui/views/linux_ui/status_icon_linux.h"
  13
  14 typedef struct _AppIndicator AppIndicator;
  15 typedef struct _GtkWidget GtkWidget;
  16
  17 class SkBitmap;
  18
  19 namespace gfx {
  20 class ImageSkia;
  21 }
  22
  23 namespace ui {
  24 class MenuModel;
  25 }
  26
  27 namespace libgtk2ui {
  28 class AppIndicatorIconMenu;
  29
  30 // Status icon implementation which uses libappindicator.
  31 class AppIndicatorIcon : public views::StatusIconLinux {
  32  public:
  33   // The id uniquely identifies the new status icon from other chrome status
  34   // icons.
  35   AppIndicatorIcon(std::string id,
  36                    const gfx::ImageSkia& image,
  37                    const base::string16& tool_tip);
  38   ~AppIndicatorIcon() override;
  39
  40   // Indicates whether libappindicator so could be opened.
  41   static bool CouldOpen();
  42
  43   // Overridden from views::StatusIconLinux:
  44   void SetImage(const gfx::ImageSkia& image) override;
  45   void SetToolTip(const base::string16& tool_tip) override;
  46   void UpdatePlatformContextMenu(ui::MenuModel* menu) override;
  47   void RefreshPlatformContextMenu() override;
  48
  49  private:
  50   struct SetImageFromFileParams {
  51     // The temporary directory in which the icon(s) were written.
  52     base::FilePath parent_temp_dir;
  53
  54     // The icon theme path to pass to libappindicator.
  55     std::string icon_theme_path;
  56
  57     // The icon name to pass to libappindicator.
  58     std::string icon_name;
  59   };
  60
  61   // Writes |bitmap| to a temporary directory on a worker thread. The temporary
  62   // directory is selected based on KDE's quirks.
  63   static SetImageFromFileParams WriteKDE4TempImageOnWorkerThread(
  64       const SkBitmap& bitmap,
  65       const base::FilePath& existing_temp_dir);
  66
  67   // Writes |bitmap| to a temporary directory on a worker thread. The temporary
  68   // directory is selected based on Unity's quirks.
  69   static SetImageFromFileParams WriteUnityTempImageOnWorkerThread(
  70       const SkBitmap& bitmap,
  71       int icon_change_count,
  72       const std::string& id);
  73
  74   void SetImageFromFile(const SetImageFromFileParams& params);
  75   void SetMenu();
  76
  77   // Sets a menu item at the top of the menu as a replacement for the status
  78   // icon click action. Clicking on this menu item should simulate a status icon
  79   // click by despatching a click event.
  80   void UpdateClickActionReplacementMenuItem();
  81
  82   // Callback for when the status icon click replacement menu item is activated.
  83   void OnClickActionReplacementMenuItemActivated();
  84
  85   std::string id_;
  86   std::string tool_tip_;
  87
  88   // Whether the user is using KDE.
  89   bool using_kde4_;
  90
  91   // Gtk status icon wrapper
  92   AppIndicator* icon_;
  93
  94   scoped_ptr<AppIndicatorIconMenu> menu_;
  95   ui::MenuModel* menu_model_;
  96
  97   base::FilePath temp_dir_;
  98   int icon_change_count_;
  99
 100   base::WeakPtrFactory<AppIndicatorIcon> weak_factory_;
 101
 102   DISALLOW_COPY_AND_ASSIGN(AppIndicatorIcon);
 103 };
 104
 105 }  // namespace libgtk2ui
 106
 107 #endif  // CHROME_BROWSER_UI_LIBGTK2UI_APP_INDICATOR_ICON_H_