Stick windows to sides of workspaces

ash/root_window_controller.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 ASH_ROOT_WINDOW_CONTROLLER_H_
 #define ASH_ROOT_WINDOW_CONTROLLER_H_
 
 #include "ash/ash_export.h"
 #include "ash/shelf/shelf_types.h"
 #include "ash/system/user/login_status.h"
@@ skipping 25 matching lines @@
 
 namespace ash {
 class StackingController;
 class ShelfWidget;
 class SystemTray;
 class ToplevelWindowEventHandler;
 
 namespace internal {
 
 class BootSplashScreen;
+class DockLayoutManager;
 class PanelLayoutManager;
 class RootWindowLayoutManager;
 class ScreenDimmer;
 class ShelfLayoutManager;
 class StatusAreaWidget;
 class SystemBackgroundController;
 class SystemModalContainerLayoutManager;
 class TouchObserverHUD;
 class WorkspaceController;
 
@@ skipping 129 matching lines @@
   scoped_ptr<aura::RootWindow> root_window_;
   RootWindowLayoutManager* root_window_layout_;
 
   scoped_ptr<StackingController> stacking_controller_;
 
   scoped_ptr<keyboard::KeyboardController> keyboard_controller_;
 
   // The shelf for managing the launcher and the status widget.
   scoped_ptr<ShelfWidget> shelf_;
 
+  // Manages layout of docked windows. Owned by DockContainer.
+  DockLayoutManager* dock_layout_manager_;
+
   // Manages layout of panels. Owned by PanelContainer.
   PanelLayoutManager* panel_layout_manager_;
 
   scoped_ptr<SystemBackgroundController> system_background_;
   scoped_ptr<BootSplashScreen> boot_splash_screen_;
 
   scoped_ptr<ScreenDimmer> screen_dimmer_;
   scoped_ptr<WorkspaceController> workspace_controller_;
 
   // Heads-up display for touch events. The RootWindowController does not own
   // this HUD; its lifetime is managed by itself.
   TouchObserverHUD* touch_observer_hud_;
 
   // We need to own event handlers for various containers.
   scoped_ptr<ToplevelWindowEventHandler> default_container_handler_;
   scoped_ptr<ToplevelWindowEventHandler> always_on_top_container_handler_;
   scoped_ptr<ToplevelWindowEventHandler> modal_container_handler_;
   scoped_ptr<ToplevelWindowEventHandler> lock_modal_container_handler_;
   scoped_ptr<ToplevelWindowEventHandler> panel_container_handler_;
+  scoped_ptr<ToplevelWindowEventHandler> dock_container_handler_;
 
   DISALLOW_COPY_AND_ASSIGN(RootWindowController);
 };
 
 }  // namespace internal
 }  // ash
 
 #endif  //  ASH_ROOT_WINDOW_CONTROLLER_H_