Rename app_modal_dialogs dir to app_modal

components/app_modal_dialogs/app_modal_dialog_queue.h

-// Copyright (c) 2012 The Chromium Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style license that can be
-// found in the LICENSE file.
-
-#ifndef COMPONENTS_APP_MODAL_DIALOGS_APP_MODAL_DIALOG_QUEUE_H_
-#define COMPONENTS_APP_MODAL_DIALOGS_APP_MODAL_DIALOG_QUEUE_H_
-
-#include <deque>
-
-#include "base/basictypes.h"
-
-class AppModalDialog;
-
-template <typename T> struct DefaultSingletonTraits;
-
-// Keeps a queue of AppModalDialogs, making sure only one app modal
-// dialog is shown at a time.
-// This class is a singleton.
-class AppModalDialogQueue {
- public:
-  typedef std::deque<AppModalDialog*>::iterator iterator;
-
-  // Returns the singleton instance.
-  static AppModalDialogQueue* GetInstance();
-
-  // Adds a modal dialog to the queue. If there are no other dialogs in the
-  // queue, the dialog will be shown immediately. Once it is shown, the
-  // most recently active browser window (or whichever is currently active)
-  // will be app modal, meaning it will be activated if the user tries to
-  // activate any other browser windows.
-  // Note: The AppModalDialog |dialog| must be window modal before it
-  // can be added as app modal.
-  void AddDialog(AppModalDialog* dialog);
-
-  // Removes the current dialog in the queue (the one that is being shown).
-  // Shows the next dialog in the queue, if any is present. This does not
-  // ensure that the currently showing dialog is closed, it just makes it no
-  // longer app modal.
-  void ShowNextDialog();
-
-  // Activates and shows the current dialog, if the user clicks on one of the
-  // windows disabled by the presence of an app modal dialog. This forces
-  // the window to be visible on the display even if desktop manager software
-  // opened the dialog on another virtual desktop. Assumes there is currently a
-  // dialog being shown. (Call BrowserList::IsShowingAppModalDialog to test
-  // this condition).
-  void ActivateModalDialog();
-
-  // Returns true if there is currently an active app modal dialog box.
-  bool HasActiveDialog() const;
-
-  AppModalDialog* active_dialog() { return active_dialog_; }
-
-  // Iterators to walk the queue. The queue does not include the currently
-  // active app modal dialog box.
-  iterator begin() { return app_modal_dialog_queue_.begin(); }
-  iterator end() { return app_modal_dialog_queue_.end(); }
-
- private:
-  friend struct DefaultSingletonTraits<AppModalDialogQueue>;
-
-  AppModalDialogQueue();
-  ~AppModalDialogQueue();
-
-  // Shows |dialog| and notifies the BrowserList that a modal dialog is showing.
-  void ShowModalDialog(AppModalDialog* dialog);
-
-  // Returns the next dialog to show. This removes entries from
-  // app_modal_dialog_queue_ until one is valid or the queue is empty. This
-  // returns NULL if there are no more dialogs, or all the dialogs in the queue
-  // are not valid.
-  AppModalDialog* GetNextDialog();
-
-  // Contains all app modal dialogs which are waiting to be shown. The currently
-  // active modal dialog is not included.
-  std::deque<AppModalDialog*> app_modal_dialog_queue_;
-
-  // The currently active app-modal dialog box's delegate. NULL if there is no
-  // active app-modal dialog box.
-  AppModalDialog* active_dialog_;
-
-  // Stores if |ShowModalDialog()| is currently being called on an app-modal
-  // dialog.
-  bool showing_modal_dialog_;
-
-  DISALLOW_COPY_AND_ASSIGN(AppModalDialogQueue);
-};
-
-#endif  // COMPONENTS_APP_MODAL_DIALOGS_APP_MODAL_DIALOG_QUEUE_H_