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