chrome/browser/ui/toolbar/toolbar_action_view_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_ACTION_VIEW_DELEGATE_H_
   6 #define CHROME_BROWSER_UI_TOOLBAR_TOOLBAR_ACTION_VIEW_DELEGATE_H_
   7
   8 class ToolbarActionViewController;
   9
  10 namespace content {
  11 class WebContents;
  12 }
  13
  14 // The view for a ToolbarAction, which is controlled by a
  15 // ToolbarActionViewController.
  16 class ToolbarActionViewDelegate {
  17  public:
  18   // In some cases (such as when an action is shown in a menu), a substitute
  19   // ToolbarActionViewController should be used for showing popups. This
  20   // returns the preferred controller.
  21   virtual ToolbarActionViewController* GetPreferredPopupViewController() = 0;
  22
  23   // Returns the current web contents.
  24   virtual content::WebContents* GetCurrentWebContents() const = 0;
  25
  26   // Updates the view to reflect current state.
  27   virtual void UpdateState() = 0;
  28
  29   // Called when a popup is shown. If |by_user| is true, then this was through
  30   // a direct user action (as oppposed to, e.g., an API call).
  31   virtual void OnPopupShown(bool by_user) {}
  32
  33   // Called when a popup is closed.
  34   virtual void OnPopupClosed() {}
  35
  36  protected:
  37   virtual ~ToolbarActionViewDelegate() {}
  38 };
  39
  40 #endif  // CHROME_BROWSER_UI_TOOLBAR_TOOLBAR_ACTION_VIEW_DELEGATE_H_