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 "content/shell/renderer/test_runner/gamepad_controller.h"
6
7 #include "content/shell/renderer/test_runner/TestInterfaces.h"
8 #include "content/shell/renderer/test_runner/WebTestDelegate.h"
9 #include "gin/arguments.h"
10 #include "gin/handle.h"
11 #include "gin/object_template_builder.h"
12 #include "gin/wrappable.h"
13 #include "third_party/WebKit/public/platform/WebGamepadListener.h"
14 #include "third_party/WebKit/public/web/WebFrame.h"
15 #include "third_party/WebKit/public/web/WebKit.h"
16 #include "v8/include/v8.h"
17
18 using blink::WebFrame;
19 using blink::WebGamepad;
20 using blink::WebGamepads;
21
22 namespace content {
23
24 class GamepadControllerBindings
25 : public gin::Wrappable<GamepadControllerBindings> {
26 public:
27 static gin::WrapperInfo kWrapperInfo;
28
29 static void Install(base::WeakPtr<GamepadController> controller,
30 blink::WebFrame* frame);
31
32 private:
33 explicit GamepadControllerBindings(
34 base::WeakPtr<GamepadController> controller);
35 virtual ~GamepadControllerBindings();
36
37 // gin::Wrappable.
38 virtual gin::ObjectTemplateBuilder GetObjectTemplateBuilder(
39 v8::Isolate* isolate) OVERRIDE;
40
41 void Connect(int index);
42 void DispatchConnected(int index);
43 void Disconnect(int index);
44 void SetId(int index, const std::string& src);
45 void SetButtonCount(int index, int buttons);
46 void SetButtonData(int index, int button, double data);
47 void SetAxisCount(int index, int axes);
48 void SetAxisData(int index, int axis, double data);
49
50 base::WeakPtr<GamepadController> controller_;
51
52 DISALLOW_COPY_AND_ASSIGN(GamepadControllerBindings);
53 };
54
55 gin::WrapperInfo GamepadControllerBindings::kWrapperInfo = {
56 gin::kEmbedderNativeGin};
57
58 // static
Install(base::WeakPtr<GamepadController> controller,WebFrame * frame)59 void GamepadControllerBindings::Install(
60 base::WeakPtr<GamepadController> controller,
61 WebFrame* frame) {
62 v8::Isolate* isolate = blink::mainThreadIsolate();
63 v8::HandleScope handle_scope(isolate);
64 v8::Handle<v8::Context> context = frame->mainWorldScriptContext();
65 if (context.IsEmpty())
66 return;
67
68 v8::Context::Scope context_scope(context);
69
70 gin::Handle<GamepadControllerBindings> bindings =
71 gin::CreateHandle(isolate, new GamepadControllerBindings(controller));
72 if (bindings.IsEmpty())
73 return;
74 v8::Handle<v8::Object> global = context->Global();
75 global->Set(gin::StringToV8(isolate, "gamepadController"), bindings.ToV8());
76 }
77
GamepadControllerBindings(base::WeakPtr<GamepadController> controller)78 GamepadControllerBindings::GamepadControllerBindings(
79 base::WeakPtr<GamepadController> controller)
80 : controller_(controller) {}
81
~GamepadControllerBindings()82 GamepadControllerBindings::~GamepadControllerBindings() {}
83
GetObjectTemplateBuilder(v8::Isolate * isolate)84 gin::ObjectTemplateBuilder GamepadControllerBindings::GetObjectTemplateBuilder(
85 v8::Isolate* isolate) {
86 return gin::Wrappable<GamepadControllerBindings>::GetObjectTemplateBuilder(
87 isolate)
88 .SetMethod("connect", &GamepadControllerBindings::Connect)
89 .SetMethod("dispatchConnected", &GamepadControllerBindings::DispatchConnected)
90 .SetMethod("disconnect", &GamepadControllerBindings::Disconnect)
91 .SetMethod("setId", &GamepadControllerBindings::SetId)
92 .SetMethod("setButtonCount", &GamepadControllerBindings::SetButtonCount)
93 .SetMethod("setButtonData", &GamepadControllerBindings::SetButtonData)
94 .SetMethod("setAxisCount", &GamepadControllerBindings::SetAxisCount)
95 .SetMethod("setAxisData", &GamepadControllerBindings::SetAxisData);
96 }
97
Connect(int index)98 void GamepadControllerBindings::Connect(int index) {
99 if (controller_)
100 controller_->Connect(index);
101 }
102
DispatchConnected(int index)103 void GamepadControllerBindings::DispatchConnected(int index) {
104 if (controller_)
105 controller_->DispatchConnected(index);
106 }
107
Disconnect(int index)108 void GamepadControllerBindings::Disconnect(int index) {
109 if (controller_)
110 controller_->Disconnect(index);
111 }
112
SetId(int index,const std::string & src)113 void GamepadControllerBindings::SetId(int index, const std::string& src) {
114 if (controller_)
115 controller_->SetId(index, src);
116 }
117
SetButtonCount(int index,int buttons)118 void GamepadControllerBindings::SetButtonCount(int index, int buttons) {
119 if (controller_)
120 controller_->SetButtonCount(index, buttons);
121 }
122
SetButtonData(int index,int button,double data)123 void GamepadControllerBindings::SetButtonData(int index,
124 int button,
125 double data) {
126 if (controller_)
127 controller_->SetButtonData(index, button, data);
128 }
129
SetAxisCount(int index,int axes)130 void GamepadControllerBindings::SetAxisCount(int index, int axes) {
131 if (controller_)
132 controller_->SetAxisCount(index, axes);
133 }
134
SetAxisData(int index,int axis,double data)135 void GamepadControllerBindings::SetAxisData(int index, int axis, double data) {
136 if (controller_)
137 controller_->SetAxisData(index, axis, data);
138 }
139
GamepadController()140 GamepadController::GamepadController()
141 : listener_(NULL),
142 weak_factory_(this) {
143 Reset();
144 }
145
~GamepadController()146 GamepadController::~GamepadController() {}
147
Reset()148 void GamepadController::Reset() {
149 memset(&gamepads_, 0, sizeof(gamepads_));
150 }
151
Install(WebFrame * frame)152 void GamepadController::Install(WebFrame* frame) {
153 GamepadControllerBindings::Install(weak_factory_.GetWeakPtr(), frame);
154 }
155
SetDelegate(WebTestDelegate * delegate)156 void GamepadController::SetDelegate(WebTestDelegate* delegate) {
157 delegate->setGamepadProvider(this);
158 }
159
SampleGamepads(blink::WebGamepads & gamepads)160 void GamepadController::SampleGamepads(blink::WebGamepads& gamepads) {
161 memcpy(&gamepads, &gamepads_, sizeof(blink::WebGamepads));
162 }
163
SetGamepadListener(blink::WebGamepadListener * listener)164 void GamepadController::SetGamepadListener(
165 blink::WebGamepadListener* listener) {
166 listener_ = listener;
167 }
168
Connect(int index)169 void GamepadController::Connect(int index) {
170 if (index < 0 || index >= static_cast<int>(WebGamepads::itemsLengthCap))
171 return;
172 gamepads_.items[index].connected = true;
173 gamepads_.length = 0;
174 for (unsigned i = 0; i < WebGamepads::itemsLengthCap; ++i) {
175 if (gamepads_.items[i].connected)
176 gamepads_.length = i + 1;
177 }
178 }
179
DispatchConnected(int index)180 void GamepadController::DispatchConnected(int index) {
181 if (index < 0 || index >= static_cast<int>(WebGamepads::itemsLengthCap)
182 || !gamepads_.items[index].connected)
183 return;
184 const WebGamepad& pad = gamepads_.items[index];
185 if (listener_)
186 listener_->didConnectGamepad(index, pad);
187 }
188
Disconnect(int index)189 void GamepadController::Disconnect(int index) {
190 if (index < 0 || index >= static_cast<int>(WebGamepads::itemsLengthCap))
191 return;
192 WebGamepad& pad = gamepads_.items[index];
193 pad.connected = false;
194 gamepads_.length = 0;
195 for (unsigned i = 0; i < WebGamepads::itemsLengthCap; ++i) {
196 if (gamepads_.items[i].connected)
197 gamepads_.length = i + 1;
198 }
199 if (listener_)
200 listener_->didDisconnectGamepad(index, pad);
201 }
202
SetId(int index,const std::string & src)203 void GamepadController::SetId(int index, const std::string& src) {
204 if (index < 0 || index >= static_cast<int>(WebGamepads::itemsLengthCap))
205 return;
206 const char* p = src.c_str();
207 memset(gamepads_.items[index].id, 0, sizeof(gamepads_.items[index].id));
208 for (unsigned i = 0; *p && i < WebGamepad::idLengthCap - 1; ++i)
209 gamepads_.items[index].id[i] = *p++;
210 }
211
SetButtonCount(int index,int buttons)212 void GamepadController::SetButtonCount(int index, int buttons) {
213 if (index < 0 || index >= static_cast<int>(WebGamepads::itemsLengthCap))
214 return;
215 if (buttons < 0 || buttons >= static_cast<int>(WebGamepad::buttonsLengthCap))
216 return;
217 gamepads_.items[index].buttonsLength = buttons;
218 }
219
SetButtonData(int index,int button,double data)220 void GamepadController::SetButtonData(int index, int button, double data) {
221 if (index < 0 || index >= static_cast<int>(WebGamepads::itemsLengthCap))
222 return;
223 if (button < 0 || button >= static_cast<int>(WebGamepad::buttonsLengthCap))
224 return;
225 gamepads_.items[index].buttons[button].value = data;
226 gamepads_.items[index].buttons[button].pressed = data > 0.1f;
227 }
228
SetAxisCount(int index,int axes)229 void GamepadController::SetAxisCount(int index, int axes) {
230 if (index < 0 || index >= static_cast<int>(WebGamepads::itemsLengthCap))
231 return;
232 if (axes < 0 || axes >= static_cast<int>(WebGamepad::axesLengthCap))
233 return;
234 gamepads_.items[index].axesLength = axes;
235 }
236
SetAxisData(int index,int axis,double data)237 void GamepadController::SetAxisData(int index, int axis, double data) {
238 if (index < 0 || index >= static_cast<int>(WebGamepads::itemsLengthCap))
239 return;
240 if (axis < 0 || axis >= static_cast<int>(WebGamepad::axesLengthCap))
241 return;
242 gamepads_.items[index].axes[axis] = data;
243 }
244
245 } // namespace content
246