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// Copyright (c) 2011 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/desktop.h"
#include "base/logging.h"
#include "base/message_loop.h"
#include "ui/aura/desktop_host.h"
#include "ui/aura/root_window.h"
#include "ui/aura/toplevel_window_container.h"
#include "ui/aura/window.h"
#include "ui/gfx/compositor/compositor.h"
#include "ui/gfx/compositor/layer.h"
namespace aura {
// static
Desktop* Desktop::instance_ = NULL;
Desktop::Desktop()
: toplevel_window_container_(new aura::internal::ToplevelWindowContainer),
host_(aura::DesktopHost::Create(gfx::Rect(200, 200, 1280, 1024))),
ALLOW_THIS_IN_INITIALIZER_LIST(schedule_paint_(this)) {
DCHECK(MessageLoopForUI::current())
<< "The UI message loop must be initialized first.";
compositor_ = ui::Compositor::Create(this, host_->GetAcceleratedWidget(),
host_->GetSize());
host_->SetDesktop(this);
DCHECK(compositor_.get());
window_.reset(new internal::RootWindow);
}
Desktop::~Desktop() {
if (instance_ == this)
instance_ = NULL;
}
void Desktop::Init() {
window_->Init();
compositor()->set_root_layer(window_->layer());
toplevel_window_container_->Init();
toplevel_window_container_->SetBounds(gfx::Rect(0, 0, 1280, 1024), 0);
toplevel_window_container_->SetVisibility(aura::Window::VISIBILITY_SHOWN);
toplevel_window_container_->SetParent(window_.get());
#if defined(USE_X11)
// TODO(oshima): Implement configure notify and remove this.
OnHostResized(host_->GetSize());
#endif
}
void Desktop::Show() {
host_->Show();
}
void Desktop::SetSize(const gfx::Size& size) {
host_->SetSize(size);
}
void Desktop::Run() {
Show();
MessageLoopForUI::current()->Run(host_.get());
}
void Desktop::Draw() {
compositor_->Draw(false);
}
bool Desktop::OnMouseEvent(const MouseEvent& event) {
return window_->HandleMouseEvent(event);
}
bool Desktop::OnKeyEvent(const KeyEvent& event) {
return window_->HandleKeyEvent(event);
}
void Desktop::OnHostResized(const gfx::Size& size) {
gfx::Rect bounds(window_->bounds().origin(), size);
window_->SetBounds(bounds, 0);
compositor_->WidgetSizeChanged(size);
}
void Desktop::ScheduleCompositorPaint() {
if (schedule_paint_.empty()) {
MessageLoop::current()->PostTask(FROM_HERE,
schedule_paint_.NewRunnableMethod(&Desktop::Draw));
}
}
// static
Desktop* Desktop::GetInstance() {
if (!instance_) {
instance_ = new Desktop;
instance_->Init();
}
return instance_;
}
} // namespace aura
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