blob: 379c5d3f489e0a7798adfb6bdf2a2d99ed9ca761 [file] [log] [blame]
// Copyright 2016 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 COMPONENTS_EXO_WM_HELPER_MUS_H_
#define COMPONENTS_EXO_WM_HELPER_MUS_H_
#include "base/macros.h"
#include "components/exo/wm_helper.h"
#include "services/ui/public/cpp/window_tree_client_observer.h"
#include "ui/aura/client/focus_change_observer.h"
#include "ui/aura/env_observer.h"
#include "ui/events/event_handler.h"
namespace exo {
// A helper class for accessing WindowManager related features.
class WMHelperMus : public WMHelper,
public aura::EnvObserver,
public ui::EventHandler,
public ui::WindowTreeClientObserver,
public aura::client::FocusChangeObserver {
public:
WMHelperMus();
~WMHelperMus() override;
// Overriden from WMHelper:
const ash::DisplayInfo GetDisplayInfo(int64_t display_id) const override;
aura::Window* GetContainer(int container_id) override;
aura::Window* GetActiveWindow() const override;
aura::Window* GetFocusedWindow() const override;
ui::CursorSetType GetCursorSet() const override;
void AddPreTargetHandler(ui::EventHandler* handler) override;
void PrependPreTargetHandler(ui::EventHandler* handler) override;
void RemovePreTargetHandler(ui::EventHandler* handler) override;
void AddPostTargetHandler(ui::EventHandler* handler) override;
void RemovePostTargetHandler(ui::EventHandler* handler) override;
bool IsMaximizeModeWindowManagerEnabled() const override;
// Overriden from aura::EnvObserver:
void OnWindowInitialized(aura::Window* window) override {}
void OnHostInitialized(aura::WindowTreeHost* host) override;
// Overriden from ui::WindowTreeClientObserver:
void OnWindowTreeFocusChanged(ui::Window* gained_focus,
ui::Window* lost_focus) override;
// Overriden from ui::client::FocusChangeObserver:
void OnWindowFocused(aura::Window* gained_focus,
aura::Window* lost_focus) override;
private:
class EventForwarder;
ui::EventHandlerList pre_target_list_;
ui::EventHandlerList post_target_list_;
std::unique_ptr<EventForwarder> pre_target_event_forwarder_;
std::unique_ptr<EventForwarder> post_target_event_forwarder_;
aura::Window* active_window_;
aura::Window* focused_window_;
DISALLOW_COPY_AND_ASSIGN(WMHelperMus);
};
} // namespace exo
#endif // COMPONENTS_EXO_WM_HELPER_H_