athena/wm/window_overview_mode.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 ATHENA_WM_WINDOW_OVERVIEW_MODE_H_
   6 #define ATHENA_WM_WINDOW_OVERVIEW_MODE_H_
   7
   8 #include "base/memory/scoped_ptr.h"
   9 #include "ui/aura/window.h"
  10
  11 namespace athena {
  12 class WindowListProvider;
  13
  14 class WindowOverviewModeDelegate {
  15  public:
  16   virtual ~WindowOverviewModeDelegate() {}
  17
  18   virtual void OnSelectWindow(aura::Window* window) = 0;
  19
  20   // Gets into split-view mode with |left| on the left-side of the screen, and
  21   // |right| on the right-side. If |left| or |right| is NULL, then the delegate
  22   // selects the best option in its place.
  23   virtual void OnSplitViewMode(aura::Window* left,
  24                                aura::Window* right) = 0;
  25 };
  26
  27 class WindowOverviewMode {
  28  public:
  29   virtual ~WindowOverviewMode() {}
  30
  31   static scoped_ptr<WindowOverviewMode> Create(
  32       aura::Window* container,
  33       const WindowListProvider* window_list_provider,
  34       WindowOverviewModeDelegate* delegate);
  35 };
  36
  37 }  // namespace athena
  38
  39 #endif  // ATHENA_WM_WINDOW_OVERVIEW_MODE_H_