chrome/browser/ui/toolbar/toolbar_actions_bar_delegate.h

   1 // Copyright 2014 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_TOOLBAR_TOOLBAR_ACTIONS_BAR_DELEGATE_H_
   6 #define CHROME_BROWSER_UI_TOOLBAR_TOOLBAR_ACTIONS_BAR_DELEGATE_H_
   7
   8 #include "base/memory/scoped_ptr.h"
   9 #include "ui/gfx/animation/tween.h"
  10 #include "ui/gfx/geometry/size.h"
  11
  12 class ToolbarActionViewController;
  13
  14 namespace extensions {
  15 class ExtensionMessageBubbleController;
  16 }
  17
  18 // The delegate class (which, in production, represents the view) of the
  19 // ToolbarActionsBar.
  20 class ToolbarActionsBarDelegate {
  21  public:
  22   virtual ~ToolbarActionsBarDelegate() {}
  23
  24   // Adds a view for the given |action| at |index|.
  25   virtual void AddViewForAction(ToolbarActionViewController* action,
  26                                 size_t index) = 0;
  27
  28   // Removes the view for the given |action|.
  29   virtual void RemoveViewForAction(ToolbarActionViewController* action) = 0;
  30
  31   // Removes all action views.
  32   virtual void RemoveAllViews() = 0;
  33
  34   // Redraws the view for the toolbar actions bar. |order_changed| indicates
  35   // whether or not the change caused a reordering of the actions.
  36   virtual void Redraw(bool order_changed) = 0;
  37
  38   // Resizes the view to the |target_width| and animates with the given
  39   // |tween_type|. |suppress_chevron| indicates if the chevron should not be
  40   // shown during the animation.
  41   virtual void ResizeAndAnimate(gfx::Tween::Type tween_type,
  42                                 int target_width,
  43                                 bool suppress_chevron) = 0;
  44
  45   // Sets the overflow chevron's visibility.
  46   virtual void SetChevronVisibility(bool chevron_visible) = 0;
  47
  48   // Returns the current width of the view.
  49   virtual int GetWidth() const = 0;
  50
  51   // Returns true if the view is animating.
  52   virtual bool IsAnimating() const = 0;
  53
  54   // Stops the current animation (width remains where it currently is).
  55   virtual void StopAnimating() = 0;
  56
  57   // Returns the width (including padding) for the overflow chevron.
  58   virtual int GetChevronWidth() const = 0;
  59
  60   // Notifies the delegate that the value of whether or not any overflowed
  61   // action wants to run has changed.
  62   virtual void OnOverflowedActionWantsToRunChanged(
  63       bool overflowed_action_wants_to_run) = 0;
  64
  65   // Displays the bubble for the passed ExtensionMessageBubbleController,
  66   // anchored to |anchor_action|. If |anchor_action| is null, it should be
  67   // anchored to the hotdog menu.
  68   virtual void ShowExtensionMessageBubble(
  69       scoped_ptr<extensions::ExtensionMessageBubbleController> controller,
  70       ToolbarActionViewController* anchor_action) = 0;
  71 };
  72
  73 #endif  // CHROME_BROWSER_UI_TOOLBAR_TOOLBAR_ACTIONS_BAR_DELEGATE_H_