ui/views/linux_ui/status_icon_linux.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 UI_VIEWS_LINUX_UI_STATUS_ICON_LINUX_H_
   6 #define UI_VIEWS_LINUX_UI_STATUS_ICON_LINUX_H_
   7
   8 #include "base/strings/string16.h"
   9 #include "ui/views/views_export.h"
  10
  11 namespace gfx {
  12 class ImageSkia;
  13 }
  14
  15 namespace ui {
  16 class MenuModel;
  17 }  // namespace ui
  18
  19 namespace views {
  20
  21 // Since liblinux_ui cannot have dependencies on any chrome browser components
  22 // we cannot inherit from StatusIcon. So we implement the necessary methods
  23 // and let a wrapper class implement the StatusIcon interface and defer the
  24 // callbacks to a delegate. For the same reason, do not use StatusIconMenuModel.
  25 class VIEWS_EXPORT StatusIconLinux {
  26  public:
  27   class Delegate {
  28    public:
  29     virtual void OnClick() = 0;
  30     virtual bool HasClickAction() = 0;
  31
  32    protected:
  33     virtual ~Delegate();
  34   };
  35
  36   StatusIconLinux();
  37   virtual ~StatusIconLinux();
  38
  39   virtual void SetImage(const gfx::ImageSkia& image) = 0;
  40   virtual void SetToolTip(const base::string16& tool_tip) = 0;
  41
  42   // Invoked after a call to SetContextMenu() to let the platform-specific
  43   // subclass update the native context menu based on the new model. The
  44   // subclass should destroy the existing native context menu on this call.
  45   virtual void UpdatePlatformContextMenu(ui::MenuModel* model) = 0;
  46
  47   // Update all the enabled/checked states and the dynamic labels. Some status
  48   // icon implementations do not refresh the native menu before showing so we
  49   // need to manually refresh it when the menu model changes.
  50   virtual void RefreshPlatformContextMenu();
  51
  52   Delegate* delegate() { return delegate_; }
  53   void set_delegate(Delegate* delegate) { delegate_ = delegate; }
  54
  55  private:
  56   Delegate* delegate_;
  57 };
  58
  59 }  // namespace views
  60
  61 #endif  // UI_LINUX_UI_STATUS_ICON_LINUX_H_