ui/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_LINUX_UI_STATUS_ICON_LINUX_H_
   6 #define UI_LINUX_UI_STATUS_ICON_LINUX_H_
   7
   8 #include "base/strings/string16.h"
   9 #include "ui/linux_ui/linux_ui_export.h"
  10
  11 namespace gfx {
  12 class ImageSkia;
  13 }
  14
  15 namespace ui {
  16 class MenuModel;
  17 }  // namespace ui
  18
  19 // Since liblinux_ui cannot have dependencies on any chrome browser components
  20 // we cannot inherit from StatusIcon. So we implement the necessary methods
  21 // and let a wrapper class implement the StatusIcon interface and defer the
  22 // callbacks to a delegate.
  23 class LINUX_UI_EXPORT StatusIconLinux {
  24  public:
  25   class Delegate {
  26    public:
  27     virtual void OnClick() = 0;
  28     virtual bool HasClickAction() = 0;
  29
  30    protected:
  31     virtual ~Delegate();
  32   };
  33
  34   StatusIconLinux();
  35   virtual ~StatusIconLinux();
  36
  37   virtual void SetImage(const gfx::ImageSkia& image) = 0;
  38   virtual void SetPressedImage(const gfx::ImageSkia& image) = 0;
  39   virtual void SetToolTip(const string16& tool_tip) = 0;
  40
  41   // Invoked after a call to SetContextMenu() to let the platform-specific
  42   // subclass update the native context menu based on the new model. The
  43   // subclass should destroy the existing native context menu on this call.
  44   virtual void UpdatePlatformContextMenu(ui::MenuModel* model) = 0;
  45
  46   Delegate* delegate() { return delegate_; }
  47   void set_delegate(Delegate* delegate) { delegate_ = delegate; }
  48
  49  private:
  50   Delegate* delegate_;
  51 };
  52
  53 #endif  // UI_LINUX_UI_STATUS_ICON_LINUX_H_