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ui/aura/window_observer.h

Index: ui/aura/window_observer.h
diff --git a/ui/aura/window_observer.h b/ui/aura/window_observer.h
deleted file mode 100644
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--- a/ui/aura/window_observer.h
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-// 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 UI_AURA_WINDOW_OBSERVER_H_
-#define UI_AURA_WINDOW_OBSERVER_H_
-
-#include "base/basictypes.h"
-#include "base/strings/string16.h"
-#include "ui/aura/aura_export.h"
-
-namespace gfx {
-class Rect;
-}  // namespace gfx
-
-namespace aura {
-
-class Window;
-
-class AURA_EXPORT WindowObserver {
- public:
-  struct HierarchyChangeParams {
-    enum HierarchyChangePhase {
-      HIERARCHY_CHANGING,
-      HIERARCHY_CHANGED
-    };
-
-    Window* target;     // The window that was added or removed.
-    Window* new_parent;
-    Window* old_parent;
-    HierarchyChangePhase phase;
-    Window* receiver;   // The window receiving the notification.
-  };
-
-  WindowObserver();
-
-  // Called when a window is added or removed. Notifications are sent to the
-  // following hierarchies in this order:
-  // 1. |target|.
-  // 2. |target|'s child hierarchy.
-  // 3. |target|'s parent hierarchy in its |old_parent|
-  //        (only for Changing notifications).
-  // 3. |target|'s parent hierarchy in its |new_parent|.
-  //        (only for Changed notifications).
-  // This sequence is performed via the Changing and Changed notifications below
-  // before and after the change is committed.
-  virtual void OnWindowHierarchyChanging(const HierarchyChangeParams& params) {}
-  virtual void OnWindowHierarchyChanged(const HierarchyChangeParams& params) {}
-
-  // Invoked when |new_window| has been added as a child of this window.
-  virtual void OnWindowAdded(Window* new_window) {}
-
-  // Invoked prior to removing |window| as a child of this window.
-  virtual void OnWillRemoveWindow(Window* window) {}
-
-  // Invoked when this window's parent window changes.  |parent| may be NULL.
-  virtual void OnWindowParentChanged(Window* window, Window* parent) {}
-
-  // Invoked when SetProperty(), ClearProperty(), or
-  // NativeWidgetAura::SetNativeWindowProperty() is called on the window.
-  // |key| is either a WindowProperty<T>* (SetProperty, ClearProperty)
-  // or a const char* (SetNativeWindowProperty). Either way, it can simply be
-  // compared for equality with the property constant. |old| is the old property
-  // value, which must be cast to the appropriate type before use.
-  virtual void OnWindowPropertyChanged(Window* window,
-                                       const void* key,
-                                       intptr_t old) {}
-
-  // Invoked when SetVisible() is invoked on a window. |visible| is the
-  // value supplied to SetVisible(). If |visible| is true, window->IsVisible()
-  // may still return false. See description in Window::IsVisible() for details.
-  virtual void OnWindowVisibilityChanging(Window* window, bool visible) {}
-  virtual void OnWindowVisibilityChanged(Window* window, bool visible) {}
-
-  // Invoked when SetBounds() is invoked on |window|. |old_bounds| and
-  // |new_bounds| are in parent coordinates.
-  virtual void OnWindowBoundsChanged(Window* window,
-                                     const gfx::Rect& old_bounds,
-                                     const gfx::Rect& new_bounds) {}
-
-  // Invoked when SetTransform() is invoked on |window|.
-  virtual void OnWindowTransforming(Window* window) {}
-  virtual void OnWindowTransformed(Window* window) {}
-
-  // Invoked when SetTransform() is invoked on an ancestor of the window being
-  // observed (including the window itself).
-  virtual void OnAncestorWindowTransformed(Window* source, Window* window) {}
-
-  // Invoked when |window|'s position among its siblings in the stacking order
-  // has changed.
-  virtual void OnWindowStackingChanged(Window* window) {}
-
-  // Invoked when a region of |window| has damage from a new delegated frame.
-  virtual void OnDelegatedFrameDamage(Window* window,
-                                      const gfx::Rect& damage_rect_in_dip) {}
-
-  // Invoked when the Window is being destroyed (i.e. from the start of its
-  // destructor). This is called before the window is removed from its parent.
-  virtual void OnWindowDestroying(Window* window) {}
-
-  // Invoked when the Window has been destroyed (i.e. at the end of
-  // its destructor). This is called after the window is removed from
-  // its parent.  Window automatically removes its WindowObservers
-  // before calling this method, so the following code is no op.
-  //
-  // void MyWindowObserver::OnWindowDestroyed(aura::Window* window) {
-  //    window->RemoveObserver(this);
-  // }
-  virtual void OnWindowDestroyed(Window* window) {}
-
-  // Called when a Window has been added to a RootWindow.
-  virtual void OnWindowAddedToRootWindow(Window* window) {}
-
-  // Called when a Window is about to be removed from a root Window.
-  // |new_root| contains the new root Window if it is being added to one
-  // atomically.
-  virtual void OnWindowRemovingFromRootWindow(Window* window,
-                                              Window* new_root) {}
-
-  // Called when the window title has changed.
-  virtual void OnWindowTitleChanged(Window* window) {}
-
- protected:
-  virtual ~WindowObserver();
-
- private:
-  friend class Window;
-
-  // Called when this is added as an observer on |window|.
-  void OnObservingWindow(Window* window);
-
-  // Called when this is removed from the observers on |window|.
-  void OnUnobservingWindow(Window* window);
-
-  // Tracks the number of windows being observed to track down
-  // http://crbug.com/365364.
-  int observing_;
-
-  DISALLOW_COPY_AND_ASSIGN(WindowObserver);
-};
-
-}  // namespace aura
-
-#endif  // UI_AURA_WINDOW_OBSERVER_H_