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