// 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 "ui/aura/env.h" #include "base/command_line.h" #include "ui/aura/cursor_manager.h" #include "ui/aura/env_observer.h" #include "ui/aura/event_filter.h" #include "ui/aura/display_manager.h" #include "ui/aura/root_window_host.h" #include "ui/aura/window.h" #include "ui/compositor/compositor.h" #include "ui/compositor/compositor_switches.h" #if defined(USE_X11) #include "ui/aura/display_change_observer_x11.h" #endif namespace aura { // static Env* Env::instance_ = NULL; //////////////////////////////////////////////////////////////////////////////// // Env, public: Env::Env() : mouse_button_flags_(0), is_touch_down_(false), render_white_bg_(true), stacking_client_(NULL) { } Env::~Env() { ui::Compositor::Terminate(); } // static Env* Env::GetInstance() { if (!instance_) { instance_ = new Env; instance_->Init(); } return instance_; } // static void Env::DeleteInstance() { delete instance_; instance_ = NULL; } void Env::AddObserver(EnvObserver* observer) { observers_.AddObserver(observer); } void Env::RemoveObserver(EnvObserver* observer) { observers_.RemoveObserver(observer); } void Env::SetDisplayManager(DisplayManager* display_manager) { display_manager_.reset(display_manager); #if defined(USE_X11) // Update the display manager with latest info. display_change_observer_->NotifyDisplayChange(); #endif } void Env::SetEventFilter(EventFilter* event_filter) { event_filter_.reset(event_filter); } #if !defined(OS_MACOSX) MessageLoop::Dispatcher* Env::GetDispatcher() { return dispatcher_.get(); } #endif //////////////////////////////////////////////////////////////////////////////// // Env, private: void Env::Init() { #if !defined(OS_MACOSX) dispatcher_.reset(CreateDispatcher()); #endif #if defined(USE_X11) display_change_observer_.reset(new internal::DisplayChangeObserverX11); #endif ui::Compositor::Initialize( CommandLine::ForCurrentProcess()->HasSwitch( switches::kUIEnableThreadedCompositing)); } void Env::NotifyWindowInitialized(Window* window) { FOR_EACH_OBSERVER(EnvObserver, observers_, OnWindowInitialized(window)); } } // namespace aura