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1 // Copyright (c) 2012 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 "ui/gfx/compositor/test/test_compositor_host.h" | |
6 | |
7 #include "base/basictypes.h" | |
8 #include "base/bind.h" | |
9 #include "base/compiler_specific.h" | |
10 #include "base/logging.h" | |
11 #include "base/memory/scoped_ptr.h" | |
12 #include "base/memory/weak_ptr.h" | |
13 #include "ui/base/x/x11_util.h" | |
14 #include "ui/gfx/compositor/compositor.h" | |
15 #include "ui/gfx/rect.h" | |
16 | |
17 #include <X11/Xlib.h> | |
18 | |
19 namespace ui { | |
20 | |
21 class TestCompositorHostLinux : public TestCompositorHost, | |
22 public CompositorDelegate { | |
23 public: | |
24 TestCompositorHostLinux(const gfx::Rect& bounds); | |
25 virtual ~TestCompositorHostLinux(); | |
26 | |
27 private: | |
28 // Overridden from TestCompositorHost: | |
29 virtual void Show() OVERRIDE; | |
30 virtual ui::Compositor* GetCompositor() OVERRIDE; | |
31 | |
32 // Overridden from CompositorDelegate: | |
33 virtual void ScheduleDraw() OVERRIDE; | |
34 | |
35 void Draw(); | |
36 | |
37 gfx::Rect bounds_; | |
38 | |
39 scoped_ptr<ui::Compositor> compositor_; | |
40 | |
41 XID window_; | |
42 | |
43 base::WeakPtrFactory<TestCompositorHostLinux> method_factory_; | |
44 | |
45 DISALLOW_COPY_AND_ASSIGN(TestCompositorHostLinux); | |
46 }; | |
47 | |
48 TestCompositorHostLinux::TestCompositorHostLinux(const gfx::Rect& bounds) | |
49 : bounds_(bounds), | |
50 ALLOW_THIS_IN_INITIALIZER_LIST(method_factory_(this)) { | |
51 } | |
52 | |
53 TestCompositorHostLinux::~TestCompositorHostLinux() { | |
54 } | |
55 | |
56 void TestCompositorHostLinux::Show() { | |
57 Display* display = base::MessagePumpForUI::GetDefaultXDisplay(); | |
58 XSetWindowAttributes swa; | |
59 swa.event_mask = StructureNotifyMask | ExposureMask; | |
60 swa.override_redirect = True; | |
61 window_ = XCreateWindow( | |
62 display, | |
63 RootWindow(display, DefaultScreen(display)), // parent | |
64 bounds_.x(), bounds_.y(), bounds_.width(), bounds_.height(), | |
65 0, // border width | |
66 CopyFromParent, // depth | |
67 InputOutput, | |
68 CopyFromParent, // visual | |
69 CWEventMask | CWOverrideRedirect, &swa); | |
70 XMapWindow(display, window_); | |
71 | |
72 while (1) { | |
73 XEvent event; | |
74 XNextEvent(display, &event); | |
75 if (event.type == MapNotify && event.xmap.window == window_) | |
76 break; | |
77 } | |
78 compositor_.reset(new ui::Compositor(this, window_, bounds_.size())); | |
79 } | |
80 | |
81 ui::Compositor* TestCompositorHostLinux::GetCompositor() { | |
82 return compositor_.get(); | |
83 } | |
84 | |
85 void TestCompositorHostLinux::ScheduleDraw() { | |
86 if (!method_factory_.HasWeakPtrs()) { | |
87 MessageLoopForUI::current()->PostTask( | |
88 FROM_HERE, | |
89 base::Bind(&TestCompositorHostLinux::Draw, | |
90 method_factory_.GetWeakPtr())); | |
91 } | |
92 } | |
93 | |
94 void TestCompositorHostLinux::Draw() { | |
95 if (compositor_.get()) | |
96 compositor_->Draw(false); | |
97 } | |
98 | |
99 // static | |
100 TestCompositorHost* TestCompositorHost::Create(const gfx::Rect& bounds) { | |
101 return new TestCompositorHostLinux(bounds); | |
102 } | |
103 | |
104 } // namespace ui | |
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