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1 // Copyright (c) 2011 The Chromium Authors. All rights reserved. | |
2 // Use of this source code is governed by a BSD-style license that can be | |
3 // found in the LICENSE file. | |
4 | |
5 #include "aura/desktop.h" | |
6 | |
7 #include "aura/desktop_host.h" | |
8 #include "aura/root_window.h" | |
9 #include "aura/window.h" | |
10 #include "base/logging.h" | |
11 #include "base/message_loop.h" | |
12 #include "ui/gfx/compositor/compositor.h" | |
13 #include "ui/gfx/compositor/layer.h" | |
14 | |
15 namespace aura { | |
16 | |
17 // static | |
18 Desktop* Desktop::instance_ = NULL; | |
19 | |
20 Desktop::Desktop() | |
21 : host_(aura::DesktopHost::Create(gfx::Rect(200, 200, 1024, 768))), | |
22 ALLOW_THIS_IN_INITIALIZER_LIST(schedule_paint_(this)) { | |
23 DCHECK(MessageLoopForUI::current()) | |
24 << "The UI message loop must be initialized first."; | |
25 compositor_ = ui::Compositor::Create(this, host_->GetAcceleratedWidget(), | |
26 host_->GetSize()); | |
27 host_->SetDesktop(this); | |
28 DCHECK(compositor_.get()); | |
29 window_.reset(new internal::RootWindow); | |
30 } | |
31 | |
32 Desktop::~Desktop() { | |
33 if (instance_ == this) | |
34 instance_ = NULL; | |
35 } | |
36 | |
37 void Desktop::Show() { | |
38 host_->Show(); | |
39 } | |
40 | |
41 void Desktop::SetSize(const gfx::Size& size) { | |
42 host_->SetSize(size); | |
43 } | |
44 | |
45 void Desktop::Run() { | |
46 Show(); | |
47 MessageLoopForUI::current()->Run(host_.get()); | |
48 } | |
49 | |
50 void Desktop::Draw() { | |
51 // Second pass renders the layers. | |
52 const bool force_clear = false; | |
53 compositor_->NotifyStart(force_clear); | |
54 window_->layer()->DrawTree(); | |
55 compositor_->NotifyEnd(); | |
56 } | |
57 | |
58 bool Desktop::OnMouseEvent(const MouseEvent& event) { | |
59 return window_->HandleMouseEvent(event); | |
60 } | |
61 | |
62 bool Desktop::OnKeyEvent(const KeyEvent& event) { | |
63 return window_->HandleKeyEvent(event); | |
64 } | |
65 | |
66 void Desktop::OnHostResized(const gfx::Size& size) { | |
67 gfx::Rect bounds(window_->bounds().origin(), size); | |
68 window_->SetBounds(bounds, 0); | |
69 compositor_->WidgetSizeChanged(size); | |
70 } | |
71 | |
72 void Desktop::ScheduleCompositorPaint() { | |
73 if (schedule_paint_.empty()) { | |
74 MessageLoop::current()->PostTask(FROM_HERE, | |
75 schedule_paint_.NewRunnableMethod(&Desktop::Draw)); | |
76 } | |
77 } | |
78 | |
79 // static | |
80 Desktop* Desktop::GetInstance() { | |
81 if (!instance_) { | |
82 instance_ = new Desktop; | |
83 instance_->window_->Init(); | |
84 } | |
85 return instance_; | |
86 } | |
87 | |
88 } // namespace aura | |
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