Stick windows to sides of workspaces

ash/shelf/shelf_layout_manager.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_SHELF_SHELF_LAYOUT_MANAGER_H_
 #define ASH_SHELF_SHELF_LAYOUT_MANAGER_H_
 
 #include "ash/ash_export.h"
 #include "ash/launcher/launcher.h"
 #include "ash/shelf/background_animator.h"
 #include "ash/shelf/shelf_types.h"
 #include "ash/shell_observer.h"
 #include "ash/system/status_area_widget.h"
+#include "ash/wm/dock/dock_observer.h"
 #include "base/basictypes.h"
 #include "base/compiler_specific.h"
 #include "base/logging.h"
 #include "base/observer_list.h"
 #include "base/timer.h"
 #include "ui/aura/client/activation_change_observer.h"
 #include "ui/aura/layout_manager.h"
 #include "ui/gfx/insets.h"
 #include "ui/gfx/rect.h"
 #include "ui/keyboard/keyboard_controller.h"
@@ skipping 21 matching lines @@
 // ShelfLayoutManager is the layout manager responsible for the launcher and
 // status widgets. The launcher is given the total available width and told the
 // width of the status area. This allows the launcher to draw the background and
 // layout to the status area.
 // To respond to bounds changes in the status area StatusAreaLayoutManager works
 // closely with ShelfLayoutManager.
 class ASH_EXPORT ShelfLayoutManager :
     public aura::LayoutManager,
     public ash::ShellObserver,
     public aura::client::ActivationChangeObserver,
+    public DockObserver,
     public keyboard::KeyboardControllerObserver {
  public:
 
   // We reserve a small area on the edge of the workspace area to ensure that
   // the resize handle at the edge of the window can be hit.
   static const int kWorkspaceAreaVisibleInset;
 
   // When autohidden we extend the touch hit target onto the screen so that the
   // user can drag the shelf out.
   static const int kWorkspaceAreaAutoHideInset;
@@ skipping 209 matching lines @@
   int GetWorkAreaSize(const State& state, int size) const;
 
   // Return the bounds available in the parent, taking into account the bounds
   // of the keyboard if necessary.
   gfx::Rect GetAvailableBounds() const;
 
   // Overridden from keyboard::KeyboardControllerObserver:
   virtual void OnKeyboardBoundsChanging(
       const gfx::Rect& keyboard_bounds) OVERRIDE;
 
+  // Overridden from dock::DockObserver:
+  virtual void OnDockBoundsChanging(const gfx::Rect& dock_bounds) OVERRIDE;
+
   // Generates insets for inward edge based on the current shelf alignment.
   gfx::Insets GetInsetsForAlignment(int distance) const;
 
   // The RootWindow is cached so that we don't invoke Shell::GetInstance() from
   // our destructor. We avoid that as at the time we're deleted Shell is being
   // deleted too.
   aura::RootWindow* root_window_;
 
   // True when inside LayoutShelf method. Used to prevent calling LayoutShelf
   // again from SetChildBounds().
@@ skipping 39 matching lines @@
 
   // Manage the auto-hide state during the gesture.
   ShelfAutoHideState gesture_drag_auto_hide_state_;
 
   // Used to delay updating shelf background.
   UpdateShelfObserver* update_shelf_observer_;
 
   // The bounds of the keyboard.
   gfx::Rect keyboard_bounds_;
 
+  // The bounds of the dock.
+  gfx::Rect dock_bounds_;
+
   DISALLOW_COPY_AND_ASSIGN(ShelfLayoutManager);
 };
 
 }  // namespace internal
 }  // namespace ash
 
 #endif  // ASH_SHELF_SHELF_LAYOUT_MANAGER_H_