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27 #include "modules/gamepad/NavigatorGamepad.h"
29 #include "RuntimeEnabledFeatures.h"
30 #include "core/dom/Document.h"
31 #include "core/frame/DOMWindow.h"
32 #include "core/frame/LocalFrame.h"
33 #include "core/frame/Navigator.h"
34 #include "core/page/Page.h"
35 #include "modules/gamepad/GamepadDispatcher.h"
36 #include "modules/gamepad/GamepadEvent.h"
37 #include "modules/gamepad/GamepadList.h"
38 #include "modules/gamepad/WebKitGamepadList.h"
43 static void sampleGamepad(unsigned index, T& gamepad, const blink::WebGamepad& webGamepad)
45 gamepad.setId(webGamepad.id);
46 gamepad.setIndex(index);
47 gamepad.setConnected(webGamepad.connected);
48 gamepad.setTimestamp(webGamepad.timestamp);
49 gamepad.setMapping(webGamepad.mapping);
50 gamepad.setAxes(webGamepad.axesLength, webGamepad.axes);
51 gamepad.setButtons(webGamepad.buttonsLength, webGamepad.buttons);
54 template<typename GamepadType, typename ListType>
55 static void sampleGamepads(ListType* into)
57 blink::WebGamepads gamepads;
59 GamepadDispatcher::instance().sampleGamepads(gamepads);
61 for (unsigned i = 0; i < blink::WebGamepads::itemsLengthCap; ++i) {
62 blink::WebGamepad& webGamepad = gamepads.items[i];
63 if (i < gamepads.length && webGamepad.connected) {
64 RefPtrWillBeRawPtr<GamepadType> gamepad = into->item(i);
66 gamepad = GamepadType::create();
67 sampleGamepad(i, *gamepad, webGamepad);
68 into->set(i, gamepad);
70 into->set(i, nullptr);
75 NavigatorGamepad* NavigatorGamepad::from(Document& document)
77 if (!document.frame() || !document.frame()->domWindow())
79 Navigator& navigator = document.frame()->domWindow()->navigator();
80 return &from(navigator);
83 NavigatorGamepad& NavigatorGamepad::from(Navigator& navigator)
85 NavigatorGamepad* supplement = static_cast<NavigatorGamepad*>(WillBeHeapSupplement<Navigator>::from(navigator, supplementName()));
87 supplement = new NavigatorGamepad(*navigator.frame()->document());
88 provideTo(navigator, supplementName(), adoptPtrWillBeNoop(supplement));
93 WebKitGamepadList* NavigatorGamepad::webkitGetGamepads(Navigator& navigator)
95 return NavigatorGamepad::from(navigator).webkitGamepads();
98 GamepadList* NavigatorGamepad::getGamepads(Navigator& navigator)
100 return NavigatorGamepad::from(navigator).gamepads();
103 WebKitGamepadList* NavigatorGamepad::webkitGamepads()
106 if (!m_webkitGamepads)
107 m_webkitGamepads = WebKitGamepadList::create();
108 sampleGamepads<WebKitGamepad>(m_webkitGamepads.get());
109 return m_webkitGamepads.get();
112 GamepadList* NavigatorGamepad::gamepads()
116 m_gamepads = GamepadList::create();
117 sampleGamepads<Gamepad>(m_gamepads.get());
118 return m_gamepads.get();
121 void NavigatorGamepad::trace(Visitor* visitor)
123 visitor->trace(m_gamepads);
124 visitor->trace(m_webkitGamepads);
127 void NavigatorGamepad::didConnectOrDisconnectGamepad(unsigned index, const blink::WebGamepad& webGamepad, bool connected)
129 ASSERT(index < blink::WebGamepads::itemsLengthCap);
130 ASSERT(connected == webGamepad.connected);
132 // We should stop listening once we detached.
135 // We register to the dispatcher before sampling gamepads so we need to check if we actually have an event listener.
136 if (!m_hasEventListener)
139 if (window()->document()->activeDOMObjectsAreStopped() || window()->document()->activeDOMObjectsAreSuspended())
143 m_gamepads = GamepadList::create();
145 RefPtrWillBeRawPtr<Gamepad> gamepad = m_gamepads->item(index);
147 gamepad = Gamepad::create();
148 sampleGamepad(index, *gamepad, webGamepad);
149 m_gamepads->set(index, gamepad);
151 const AtomicString& eventName = connected ? EventTypeNames::gamepadconnected : EventTypeNames::gamepaddisconnected;
152 RefPtr<GamepadEvent> event = GamepadEvent::create(eventName, false, true, gamepad.get());
153 window()->dispatchEvent(event);
156 NavigatorGamepad::NavigatorGamepad(Document& document)
157 : DOMWindowProperty(document.frame())
158 , DeviceSensorEventController(document)
159 , DOMWindowLifecycleObserver(document.frame()->domWindow())
163 NavigatorGamepad::~NavigatorGamepad()
167 const char* NavigatorGamepad::supplementName()
169 return "NavigatorGamepad";
172 void NavigatorGamepad::willDestroyGlobalObjectInFrame()
175 DOMWindowProperty::willDestroyGlobalObjectInFrame();
178 void NavigatorGamepad::willDetachGlobalObjectFromFrame()
181 DOMWindowProperty::willDetachGlobalObjectFromFrame();
184 void NavigatorGamepad::registerWithDispatcher()
186 GamepadDispatcher::instance().addClient(this);
189 void NavigatorGamepad::unregisterWithDispatcher()
191 GamepadDispatcher::instance().removeClient(this);
194 bool NavigatorGamepad::hasLastData()
196 // Gamepad data is polled instead of pushed.
200 PassRefPtr<Event> NavigatorGamepad::getLastEvent()
202 // This is called only when hasLastData() is true.
203 ASSERT_NOT_REACHED();
207 bool NavigatorGamepad::isNullEvent(Event*)
209 // This is called only when hasLastData() is true.
210 ASSERT_NOT_REACHED();
214 void NavigatorGamepad::didAddEventListener(DOMWindow*, const AtomicString& eventType)
216 if (RuntimeEnabledFeatures::gamepadEnabled() && (eventType == EventTypeNames::gamepadconnected || eventType == EventTypeNames::gamepaddisconnected)) {
217 if (page() && page()->visibilityState() == PageVisibilityStateVisible)
219 m_hasEventListener = true;
223 void NavigatorGamepad::didRemoveEventListener(DOMWindow*, const AtomicString& eventType)
225 if (eventType == EventTypeNames::gamepadconnected || eventType == EventTypeNames::gamepaddisconnected)
226 m_hasEventListener = false;
229 void NavigatorGamepad::didRemoveAllEventListeners(DOMWindow*)
231 m_hasEventListener = false;
234 } // namespace WebCore