Index: third_party/WebKit/Source/modules/sensor/SensorProviderProxy.cpp |
diff --git a/third_party/WebKit/Source/modules/sensor/SensorProviderProxy.cpp b/third_party/WebKit/Source/modules/sensor/SensorProviderProxy.cpp |
new file mode 100644 |
index 0000000000000000000000000000000000000000..1042c157cae57e3ea4966f15a4fe93d330bfd5b4 |
--- /dev/null |
+++ b/third_party/WebKit/Source/modules/sensor/SensorProviderProxy.cpp |
@@ -0,0 +1,94 @@ |
+// Copyright 2016 The Chromium Authors. All rights reserved. |
+// Use of this source code is governed by a BSD-style license that can be |
+// found in the LICENSE file. |
+ |
+#include "modules/sensor/SensorProviderProxy.h" |
+ |
+#include "core/frame/LocalFrame.h" |
+#include "modules/sensor/SensorProxy.h" |
+#include "platform/mojo/MojoHelper.h" |
+#include "public/platform/InterfaceProvider.h" |
+ |
+namespace blink { |
+ |
+const char SensorProviderProxy::s_supplementKey[] = "SensorProvider"; |
+ |
+// SensorProviderProxy |
+SensorProviderProxy::SensorProviderProxy(LocalFrame* frame) |
+ : PageVisibilityObserver(frame->document() ? frame->document()->page() : nullptr) |
+ , m_frame(frame) |
+{ |
+ frame->interfaceProvider()->getInterface(mojo::GetProxy(&m_sensorProvider)); |
+ m_sensorProvider.set_connection_error_handler(convertToBaseCallback(WTF::bind(&SensorProviderProxy::handleSensorError, wrapWeakPersistent(this)))); |
+} |
+ |
+SensorProviderProxy* SensorProviderProxy::getOrCreateForFrame(LocalFrame* frame) |
+{ |
+ DCHECK(frame); |
+ SensorProviderProxy* result = static_cast<SensorProviderProxy*>(Supplement<LocalFrame>::from(*frame, s_supplementKey)); |
+ if (!result) { |
+ result = new SensorProviderProxy(frame); |
+ Supplement<LocalFrame>::provideTo(*frame, s_supplementKey, result); |
+ } |
+ return result; |
+} |
+ |
+SensorProviderProxy::~SensorProviderProxy() |
+{ |
+} |
+ |
+DEFINE_TRACE(SensorProviderProxy) |
+{ |
+ visitor->trace(m_sensors); |
+ visitor->trace(m_frame); |
+ PageVisibilityObserver::trace(visitor); |
+ Supplement<LocalFrame>::trace(visitor); |
+} |
+ |
+void SensorProviderProxy::removeSensor(SensorProxy* sensor) |
+{ |
+ m_sensors.remove(sensor); |
+} |
+ |
+SensorProxy* SensorProviderProxy::getOrCreateSensor(device::mojom::blink::SensorType type) |
+{ |
+ for (SensorProxy* sensor : m_sensors) { |
+ if (sensor->type() == type) |
timvolodine
2016/09/01 19:02:06
maybe this could be hashed by type for efficiency,
Mikhail
2016/09/02 08:23:43
Added TODO comment.
|
+ return sensor; |
+ } |
+ SensorProxy* sensor = new SensorProxy(type, this); |
+ m_sensors.add(sensor); |
+ |
+ return sensor; |
+} |
+ |
+void SensorProviderProxy::handleSensorError() |
+{ |
+ SensorsSet copy(m_sensors); |
+ for (SensorProxy* sensor : copy) { |
+ // All sensors are invalidated. |
+ sensor->handleSensorError(); |
+ } |
+ DCHECK(m_sensors.isEmpty()); |
+ if (m_frame) |
+ m_frame->removeSupplement(s_supplementKey); |
+} |
+ |
+void SensorProviderProxy::pageVisibilityChanged() |
+{ |
+ if (!m_frame) |
+ return; |
+ |
+ Page* page = m_frame->document()->page(); |
+ DCHECK(page); |
+ |
+ if (page->visibilityState() != PageVisibilityStateVisible) { |
+ for (SensorProxy* sensor : m_sensors) |
+ sensor->suspend(); |
+ } else { |
+ for (SensorProxy* sensor : m_sensors) |
+ sensor->resume(); |
+ } |
+} |
+ |
+} // namespace blink |