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   enum GetWidthTime {
  23     GET_WIDTH_CURRENT,          // Returns the current width.
  24     GET_WIDTH_AFTER_ANIMATION,  // Returns the width after a running animation.
  25   };
  26
  27   virtual ~ToolbarActionsBarDelegate() {}
  28
  29   // Adds a view for the given |action| at |index|.
  30   virtual void AddViewForAction(ToolbarActionViewController* action,
  31                                 size_t index) = 0;
  32
  33   // Removes the view for the given |action|.
  34   virtual void RemoveViewForAction(ToolbarActionViewController* action) = 0;
  35
  36   // Removes all action views.
  37   virtual void RemoveAllViews() = 0;
  38
  39   // Redraws the view for the toolbar actions bar. |order_changed| indicates
  40   // whether or not the change caused a reordering of the actions.
  41   virtual void Redraw(bool order_changed) = 0;
  42
  43   // Resizes the view to the |target_width| and animates with the given
  44   // |tween_type|. |suppress_chevron| indicates if the chevron should not be
  45   // shown during the animation.
  46   virtual void ResizeAndAnimate(gfx::Tween::Type tween_type,
  47                                 int target_width,
  48                                 bool suppress_chevron) = 0;
  49
  50   // Sets the overflow chevron's visibility.
  51   virtual void SetChevronVisibility(bool chevron_visible) = 0;
  52
  53   // Returns the width of the view according to |get_width_time|.
  54   virtual int GetWidth(GetWidthTime get_width_time) const = 0;
  55
  56   // Returns true if the view is animating.
  57   virtual bool IsAnimating() const = 0;
  58
  59   // Stops the current animation (width remains where it currently is).
  60   virtual void StopAnimating() = 0;
  61
  62   // Returns the width (including padding) for the overflow chevron.
  63   virtual int GetChevronWidth() const = 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_