blob: 09ede72719ba0ba24f8f3ce26d183660a644e516 [file] [log] [blame]
// 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.
#include <vector>
#include "ash/ash_export.h"
#include "base/compiler_specific.h"
#include "ui/aura/env_observer.h"
#include "ui/aura/event_filter.h"
#include "ui/aura/window_observer.h"
namespace aura {
class LocatedEvent;
namespace ash {
namespace wm {
// Returns the window-modal transient child of |window|, or NULL if |window|
// does not have any window-modal transient children.
ASH_EXPORT aura::Window* GetWindowModalTransient(aura::Window* window);
namespace internal {
// WindowModalityController is an event filter that consumes events sent to
// windows that are the transient parents of window-modal windows. This filter
// must be added to the CompoundEventFilter so that activation works properly.
class WindowModalityController : public aura::EventFilter,
public aura::EnvObserver,
public aura::WindowObserver {
virtual ~WindowModalityController();
// Overridden from aura::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;
// Overridden from aura::EnvObserver:
virtual void OnWindowInitialized(aura::Window* window) OVERRIDE;
// Overridden from aura::WindowObserver:
virtual void OnWindowVisibilityChanged(aura::Window* window,
bool visible) OVERRIDE;
virtual void OnWindowDestroyed(aura::Window* window) OVERRIDE;
// Processes a mouse/touch event, and returns true if the event should be
// consumed.
bool ProcessLocatedEvent(aura::Window* target,
aura::LocatedEvent* event);
std::vector<aura::Window*> windows_;
} // namespace internal
} // namespace ash