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1 // Copyright 2014 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/ozone/platform/caca/caca_window.h" | |
6 | |
7 #include "base/bind.h" | |
8 #include "base/location.h" | |
9 #include "base/logging.h" | |
10 #include "base/single_thread_task_runner.h" | |
11 #include "base/strings/utf_string_conversions.h" | |
12 #include "base/threading/thread_task_runner_handle.h" | |
13 #include "base/trace_event/trace_event.h" | |
14 #include "ui/events/ozone/events_ozone.h" | |
15 #include "ui/events/platform/platform_event_source.h" | |
16 #include "ui/ozone/platform/caca/caca_event_source.h" | |
17 #include "ui/ozone/platform/caca/caca_window_manager.h" | |
18 #include "ui/platform_window/platform_window_delegate.h" | |
19 | |
20 namespace ui { | |
21 | |
22 namespace { | |
23 | |
24 // Size of initial cnavas (in characters). | |
25 const int kDefaultCanvasWidth = 160; | |
26 const int kDefaultCanvasHeight = 48; | |
27 | |
28 } // namespace | |
29 | |
30 // TODO(dnicoara) As an optimization, |bitmap_size_| should be scaled based on | |
31 // |physical_size_| and font size. | |
32 CacaWindow::CacaWindow(PlatformWindowDelegate* delegate, | |
33 CacaWindowManager* manager, | |
34 CacaEventSource* event_source, | |
35 const gfx::Rect& bounds) | |
36 : delegate_(delegate), | |
37 manager_(manager), | |
38 event_source_(event_source), | |
39 weak_ptr_factory_(this) { | |
40 widget_ = manager_->AddWindow(this); | |
41 ui::PlatformEventSource::GetInstance()->AddPlatformEventDispatcher(this); | |
42 delegate_->OnAcceleratedWidgetAvailable(widget_, 1.f); | |
43 } | |
44 | |
45 CacaWindow::~CacaWindow() { | |
46 ui::PlatformEventSource::GetInstance()->RemovePlatformEventDispatcher(this); | |
47 manager_->RemoveWindow(widget_, this); | |
48 } | |
49 | |
50 bool CacaWindow::Initialize() { | |
51 if (display_) | |
52 return true; | |
53 | |
54 canvas_.reset(caca_create_canvas(kDefaultCanvasWidth, kDefaultCanvasHeight)); | |
55 if (!canvas_) { | |
56 PLOG(ERROR) << "failed to create libcaca canvas"; | |
57 return false; | |
58 } | |
59 | |
60 display_.reset(caca_create_display(canvas_.get())); | |
61 if (!display_) { | |
62 PLOG(ERROR) << "failed to initialize libcaca display"; | |
63 return false; | |
64 } | |
65 | |
66 caca_set_cursor(display_.get(), 1); | |
67 caca_set_display_title(display_.get(), "Ozone Content Shell"); | |
68 | |
69 UpdateDisplaySize(); | |
70 | |
71 TryProcessingEvent(); | |
72 | |
73 return true; | |
74 } | |
75 | |
76 void CacaWindow::TryProcessingEvent() { | |
77 event_source_->TryProcessingEvent(this); | |
78 | |
79 // Caca uses a poll based event retrieval. Since we don't want to block we'd | |
80 // either need to spin up a new thread or just poll. For simplicity just poll | |
81 // for messages. | |
82 base::ThreadTaskRunnerHandle::Get()->PostDelayedTask( | |
83 FROM_HERE, base::Bind(&CacaWindow::TryProcessingEvent, | |
84 weak_ptr_factory_.GetWeakPtr()), | |
85 base::TimeDelta::FromMilliseconds(10)); | |
86 } | |
87 | |
88 void CacaWindow::UpdateDisplaySize() { | |
89 physical_size_.SetSize(caca_get_canvas_width(canvas_.get()), | |
90 caca_get_canvas_height(canvas_.get())); | |
91 | |
92 bitmap_size_.SetSize(caca_get_display_width(display_.get()), | |
93 caca_get_display_height(display_.get())); | |
94 } | |
95 | |
96 void CacaWindow::OnCacaResize() { | |
97 UpdateDisplaySize(); | |
98 | |
99 delegate_->OnBoundsChanged(gfx::Rect(bitmap_size_)); | |
100 } | |
101 | |
102 void CacaWindow::OnCacaQuit() { | |
103 delegate_->OnCloseRequest(); | |
104 } | |
105 | |
106 | |
107 void CacaWindow::OnCacaEvent(ui::Event* event) { | |
108 DispatchEventFromNativeUiEvent( | |
109 event, base::Bind(&PlatformWindowDelegate::DispatchEvent, | |
110 base::Unretained(delegate_))); | |
111 } | |
112 | |
113 gfx::Rect CacaWindow::GetBounds() { return gfx::Rect(bitmap_size_); } | |
114 | |
115 void CacaWindow::SetBounds(const gfx::Rect& bounds) {} | |
116 | |
117 void CacaWindow::Show() {} | |
118 | |
119 void CacaWindow::Hide() {} | |
120 | |
121 void CacaWindow::Close() {} | |
122 | |
123 void CacaWindow::SetCapture() {} | |
124 | |
125 void CacaWindow::ReleaseCapture() {} | |
126 | |
127 void CacaWindow::ToggleFullscreen() {} | |
128 | |
129 void CacaWindow::Maximize() {} | |
130 | |
131 void CacaWindow::Minimize() {} | |
132 | |
133 void CacaWindow::Restore() {} | |
134 | |
135 void CacaWindow::SetCursor(PlatformCursor cursor) {} | |
136 | |
137 void CacaWindow::MoveCursorTo(const gfx::Point& location) {} | |
138 | |
139 void CacaWindow::ConfineCursorToBounds(const gfx::Rect& bounds) {} | |
140 | |
141 PlatformImeController* CacaWindow::GetPlatformImeController() { | |
142 return nullptr; | |
143 } | |
144 | |
145 void CacaWindow::SetTitle(const base::string16& title) { | |
146 caca_set_display_title(display_.get(), UTF16ToUTF8(title).c_str()); | |
147 } | |
148 | |
149 bool CacaWindow::CanDispatchEvent(const PlatformEvent& event) { return true; } | |
150 | |
151 uint32_t CacaWindow::DispatchEvent(const PlatformEvent& ne) { | |
152 // We don't dispatch events via PlatformEventSource. | |
153 NOTREACHED(); | |
154 return ui::POST_DISPATCH_STOP_PROPAGATION; | |
155 } | |
156 | |
157 } // namespace ui | |
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