OLD | NEW |
| (Empty) |
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 "mojo/services/native_viewport/native_viewport_impl.h" | |
6 | |
7 #include "base/auto_reset.h" | |
8 #include "base/bind.h" | |
9 #include "base/macros.h" | |
10 #include "base/message_loop/message_loop.h" | |
11 #include "base/time/time.h" | |
12 #include "mojo/converters/geometry/geometry_type_converters.h" | |
13 #include "mojo/converters/input_events/input_events_type_converters.h" | |
14 #include "mojo/converters/surfaces/surfaces_type_converters.h" | |
15 #include "mojo/public/cpp/application/application_delegate.h" | |
16 #include "mojo/public/cpp/application/application_impl.h" | |
17 #include "mojo/public/cpp/application/interface_factory.h" | |
18 #include "mojo/services/native_viewport/platform_viewport_headless.h" | |
19 #include "mojo/services/native_viewport/viewport_surface.h" | |
20 #include "ui/events/event.h" | |
21 | |
22 namespace mojo { | |
23 namespace { | |
24 | |
25 bool IsRateLimitedEventType(ui::Event* event) { | |
26 return event->type() == ui::ET_MOUSE_MOVED || | |
27 event->type() == ui::ET_MOUSE_DRAGGED || | |
28 event->type() == ui::ET_TOUCH_MOVED; | |
29 } | |
30 | |
31 } // namespace | |
32 | |
33 NativeViewportImpl::NativeViewportImpl(ApplicationImpl* app, bool is_headless) | |
34 : is_headless_(is_headless), | |
35 widget_id_(0u), | |
36 waiting_for_event_ack_(false), | |
37 weak_factory_(this) { | |
38 app->ConnectToService("mojo:surfaces_service", &surfaces_service_); | |
39 // TODO(jamesr): Should be mojo_gpu_service | |
40 app->ConnectToService("mojo:native_viewport_service", &gpu_service_); | |
41 } | |
42 | |
43 NativeViewportImpl::~NativeViewportImpl() { | |
44 // Destroy the NativeViewport early on as it may call us back during | |
45 // destruction and we want to be in a known state. | |
46 platform_viewport_.reset(); | |
47 } | |
48 | |
49 void NativeViewportImpl::Create(SizePtr size, | |
50 const Callback<void(uint64_t)>& callback) { | |
51 create_callback_ = callback; | |
52 size_ = size.To<gfx::Size>(); | |
53 if (is_headless_) | |
54 platform_viewport_ = PlatformViewportHeadless::Create(this); | |
55 else | |
56 platform_viewport_ = PlatformViewport::Create(this); | |
57 platform_viewport_->Init(gfx::Rect(size.To<gfx::Size>())); | |
58 } | |
59 | |
60 void NativeViewportImpl::Show() { | |
61 platform_viewport_->Show(); | |
62 } | |
63 | |
64 void NativeViewportImpl::Hide() { | |
65 platform_viewport_->Hide(); | |
66 } | |
67 | |
68 void NativeViewportImpl::Close() { | |
69 DCHECK(platform_viewport_); | |
70 platform_viewport_->Close(); | |
71 } | |
72 | |
73 void NativeViewportImpl::SetSize(SizePtr size) { | |
74 platform_viewport_->SetBounds(gfx::Rect(size.To<gfx::Size>())); | |
75 } | |
76 | |
77 void NativeViewportImpl::SubmittedFrame(SurfaceIdPtr child_surface_id) { | |
78 if (child_surface_id_.is_null()) { | |
79 // If this is the first indication that the client will use surfaces, | |
80 // initialize that system. | |
81 // TODO(jamesr): When everything is converted to surfaces initialize this | |
82 // eagerly. | |
83 viewport_surface_.reset( | |
84 new ViewportSurface(surfaces_service_.get(), | |
85 gpu_service_.get(), | |
86 size_, | |
87 child_surface_id.To<cc::SurfaceId>())); | |
88 if (widget_id_) | |
89 viewport_surface_->SetWidgetId(widget_id_); | |
90 } | |
91 child_surface_id_ = child_surface_id.To<cc::SurfaceId>(); | |
92 if (viewport_surface_) | |
93 viewport_surface_->SetChildId(child_surface_id_); | |
94 } | |
95 | |
96 void NativeViewportImpl::SetEventDispatcher( | |
97 NativeViewportEventDispatcherPtr dispatcher) { | |
98 event_dispatcher_ = dispatcher.Pass(); | |
99 } | |
100 | |
101 void NativeViewportImpl::OnBoundsChanged(const gfx::Rect& bounds) { | |
102 if (size_ == bounds.size()) | |
103 return; | |
104 | |
105 size_ = bounds.size(); | |
106 | |
107 // Wait for the accelerated widget before telling the client of the bounds. | |
108 if (create_callback_.is_null()) | |
109 ProcessOnBoundsChanged(); | |
110 } | |
111 | |
112 void NativeViewportImpl::OnAcceleratedWidgetAvailable( | |
113 gfx::AcceleratedWidget widget) { | |
114 widget_id_ = static_cast<uint64_t>(bit_cast<uintptr_t>(widget)); | |
115 // TODO(jamesr): Remove once everything is converted to surfaces. | |
116 create_callback_.Run(widget_id_); | |
117 create_callback_.reset(); | |
118 // Immediately tell the client of the size. The size may be wrong, if so we'll | |
119 // get the right one in the next OnBoundsChanged() call. | |
120 ProcessOnBoundsChanged(); | |
121 if (viewport_surface_) | |
122 viewport_surface_->SetWidgetId(widget_id_); | |
123 } | |
124 | |
125 bool NativeViewportImpl::OnEvent(ui::Event* ui_event) { | |
126 if (!event_dispatcher_.get()) | |
127 return false; | |
128 | |
129 // Must not return early before updating capture. | |
130 switch (ui_event->type()) { | |
131 case ui::ET_MOUSE_PRESSED: | |
132 case ui::ET_TOUCH_PRESSED: | |
133 platform_viewport_->SetCapture(); | |
134 break; | |
135 case ui::ET_MOUSE_RELEASED: | |
136 case ui::ET_TOUCH_RELEASED: | |
137 platform_viewport_->ReleaseCapture(); | |
138 break; | |
139 default: | |
140 break; | |
141 } | |
142 | |
143 if (waiting_for_event_ack_ && IsRateLimitedEventType(ui_event)) | |
144 return false; | |
145 | |
146 event_dispatcher_->OnEvent( | |
147 Event::From(*ui_event), | |
148 base::Bind(&NativeViewportImpl::AckEvent, weak_factory_.GetWeakPtr())); | |
149 waiting_for_event_ack_ = true; | |
150 return false; | |
151 } | |
152 | |
153 void NativeViewportImpl::OnDestroyed() { | |
154 client()->OnDestroyed(); | |
155 } | |
156 | |
157 void NativeViewportImpl::AckEvent() { | |
158 waiting_for_event_ack_ = false; | |
159 } | |
160 | |
161 void NativeViewportImpl::ProcessOnBoundsChanged() { | |
162 client()->OnSizeChanged(Size::From(size_)); | |
163 if (viewport_surface_) | |
164 viewport_surface_->SetSize(size_); | |
165 } | |
166 | |
167 } // namespace mojo | |
168 | |
OLD | NEW |