chrome/browser/ui/views/location_bar/page_action_image_view.h

   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_LOCATION_BAR_PAGE_ACTION_IMAGE_VIEW_H_
   6 #define CHROME_BROWSER_UI_VIEWS_LOCATION_BAR_PAGE_ACTION_IMAGE_VIEW_H_
   7
   8 #include <string>
   9
  10 #include "base/memory/scoped_ptr.h"
  11 #include "chrome/browser/ui/extensions/extension_action_view_controller.h"
  12 #include "chrome/browser/ui/views/toolbar/toolbar_action_view_delegate_views.h"
  13 #include "ui/views/context_menu_controller.h"
  14 #include "ui/views/controls/image_view.h"
  15
  16 class Browser;
  17 class ExtensionAction;
  18 class ExtensionActionViewController;
  19 class LocationBarView;
  20
  21 namespace content {
  22 class WebContents;
  23 }
  24
  25 namespace views {
  26 class MenuRunner;
  27 }
  28
  29 // PageActionImageView is used by the LocationBarView to display the icon for a
  30 // given PageAction and notify the extension when the icon is clicked.
  31 class PageActionImageView : public ToolbarActionViewDelegateViews,
  32                             public views::ImageView,
  33                             public views::ContextMenuController {
  34  public:
  35   PageActionImageView(LocationBarView* owner,
  36                       ExtensionAction* page_action,
  37                       Browser* browser);
  38   ~PageActionImageView() override;
  39
  40   void set_preview_enabled(bool preview_enabled) {
  41     preview_enabled_ = preview_enabled;
  42   }
  43   ExtensionAction* extension_action() {
  44     return view_controller_->extension_action();
  45   }
  46   ExtensionActionViewController* view_controller() {
  47     return view_controller_.get();
  48   }
  49
  50   // Overridden from views::View:
  51   const char* GetClassName() const override;
  52   void GetAccessibleState(ui::AXViewState* state) override;
  53   bool OnMousePressed(const ui::MouseEvent& event) override;
  54   void OnMouseReleased(const ui::MouseEvent& event) override;
  55   bool OnKeyPressed(const ui::KeyEvent& event) override;
  56   void OnGestureEvent(ui::GestureEvent* event) override;
  57
  58   // Called to notify the PageAction that it should determine whether to be
  59   // visible or hidden. |contents| is the WebContents that is active.
  60   void UpdateVisibility(content::WebContents* contents);
  61
  62  private:
  63   static const char kViewClassName[];
  64
  65   // ToolbarActionViewDelegateViews:
  66   void UpdateState() override;
  67   views::View* GetAsView() override;
  68   bool IsMenuRunning() const override;
  69   views::FocusManager* GetFocusManagerForAccelerator() override;
  70   views::View* GetReferenceViewForPopup() override;
  71   content::WebContents* GetCurrentWebContents() const override;
  72
  73   // views::ContextMenuController:
  74   void ShowContextMenuForView(views::View* source,
  75                               const gfx::Point& point,
  76                               ui::MenuSourceType source_type) override;
  77
  78   // The controller for this ExtensionAction view.
  79   scoped_ptr<ExtensionActionViewController> view_controller_;
  80
  81   // The location bar view that owns us.
  82   LocationBarView* owner_;
  83
  84   // The string to show for a tooltip;
  85   std::string tooltip_;
  86
  87   // This is used for post-install visual feedback. The page_action icon is
  88   // briefly shown even if it hasn't been enabled by its extension.
  89   bool preview_enabled_;
  90
  91   // Responsible for running the menu.
  92   scoped_ptr<views::MenuRunner> menu_runner_;
  93
  94   DISALLOW_IMPLICIT_CONSTRUCTORS(PageActionImageView);
  95 };
  96
  97 #endif  // CHROME_BROWSER_UI_VIEWS_LOCATION_BAR_PAGE_ACTION_IMAGE_VIEW_H_