aura/ash split: Moves RootWindowEventFilter and InputMethodEventFilter to ui/aura/.

ash/wm/root_window_event_filter.h

Index: ash/wm/root_window_event_filter.h
diff --git a/ash/wm/root_window_event_filter.h b/ash/wm/root_window_event_filter.h
deleted file mode 100644
index 49319d4ee15f6ffc68b3d91f10ef1607cddbebfb..0000000000000000000000000000000000000000
--- a/ash/wm/root_window_event_filter.h
+++ /dev/null
@@ -1,108 +0,0 @@
-// 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_WM_ROOT_WINDOW_EVENT_FILTER_H_
-#define ASH_WM_ROOT_WINDOW_EVENT_FILTER_H_
-#pragma once
-
-#include "base/compiler_specific.h"
-#include "base/observer_list.h"
-#include "ui/aura/event.h"
-#include "ui/aura/event_filter.h"
-#include "ash/ash_export.h"
-
-namespace aura {
-class RootWindow;
-}
-
-namespace ash {
-namespace internal {
-
-// RootWindowEventFilter gets all root window events first and can provide
-// actions to those events. It implements root window features such as click to
-// activate a window and cursor change when moving mouse.
-// Additional event filters can be added to RootWIndowEventFilter. Events will
-// pass through those additional filters in their addition order and could be
-// consumed by any of those filters. If an event is consumed by a filter, the
-// rest of the filter(s) and RootWindowEventFilter will not see the consumed
-// event.
-class ASH_EXPORT RootWindowEventFilter : public aura::EventFilter {
- public:
-  RootWindowEventFilter(aura::RootWindow* root_window);
-  virtual ~RootWindowEventFilter();
-
-  // Returns the cursor for the specified component.
-  static gfx::NativeCursor CursorForWindowComponent(int window_component);
-
-  // Freezes updates to the cursor until UnlockCursor() is invoked.
-  void LockCursor();
-
-  // Unlocks the cursor.
-  void UnlockCursor();
-
-  void set_update_cursor_visibility(bool update) {
-    update_cursor_visibility_ = update;
-  }
-
-  // Adds/removes additional event filters. This does not take ownership of
-  // the EventFilter.
-  void AddFilter(aura::EventFilter* filter);
-  void RemoveFilter(aura::EventFilter* filter);
-  size_t GetFilterCount() const;
-
-  // Overridden from EventFilter:
-  virtual bool PreHandleKeyEvent(aura::Window* target,
-                                 aura::KeyEvent* event) OVERRIDE;
-  virtual bool PreHandleMouseEvent(aura::Window* target,
-                                   aura::MouseEvent* event) OVERRIDE;
-  virtual ui::TouchStatus PreHandleTouchEvent(aura::Window* target,
-                                              aura::TouchEvent* event) OVERRIDE;
-  virtual ui::GestureStatus PreHandleGestureEvent(
-      aura::Window* target,
-      aura::GestureEvent* event) OVERRIDE;
-
- private:
-  // Updates the cursor if the target provides a custom one, and provides
-  // default resize cursors for window edges.
-  void UpdateCursor(aura::Window* target, aura::MouseEvent* event);
-
-  // Sets the cursor invisible when the target receives touch press event.
-  void SetCursorVisible(aura::Window* target,
-                        aura::LocatedEvent* event,
-                        bool show);
-
-  // Dispatches event to additional filters. Returns false or
-  // ui::TOUCH_STATUS_UNKNOWN if event is consumed.
-  bool FilterKeyEvent(aura::Window* target, aura::KeyEvent* event);
-  bool FilterMouseEvent(aura::Window* target, aura::MouseEvent* event);
-  ui::TouchStatus FilterTouchEvent(aura::Window* target,
-                                   aura::TouchEvent* event);
-
-  aura::RootWindow* root_window_;
-
-  // Additional event filters that pre-handles events.
-  ObserverList<aura::EventFilter, true> filters_;
-
-  // Number of times LockCursor() has been invoked without a corresponding
-  // UnlockCursor().
-  int cursor_lock_count_;
-
-  // Set to true if UpdateCursor() is invoked while |cursor_lock_count_| == 0.
-  bool did_cursor_change_;
-
-  // Cursor to set once |cursor_lock_count_| is set to 0. Only valid if
-  // |did_cursor_change_| is true.
-  gfx::NativeCursor cursor_to_set_on_unlock_;
-
-  // Should we show the mouse cursor when we see mouse movement and hide it when
-  // we see a touch event?
-  bool update_cursor_visibility_;
-
-  DISALLOW_COPY_AND_ASSIGN(RootWindowEventFilter);
-};
-
-}  // namespace internal
-}  // namespace ash
-
-#endif  // ASH_WM_ROOT_WINDOW_EVENT_FILTER_H_