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authorSteve Block <steveblock@google.com>2011-05-13 06:44:40 -0700
committerAndroid (Google) Code Review <android-gerrit@google.com>2011-05-13 06:44:40 -0700
commit08014c20784f3db5df3a89b73cce46037b77eb59 (patch)
tree47749210d31e19e6e2f64036fa8fae2ad693476f /Source/WebCore/dom/DeviceMotionController.cpp
parent860220379e56aeb66424861ad602b07ee22b4055 (diff)
parent4c3661f7918f8b3f139f824efb7855bedccb4c94 (diff)
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Merge changes Ide388898,Ic49f367c,I1158a808,Iacb6ca5d,I2100dd3a,I5c1abe54,Ib0ef9902,I31dbc523,I570314b3
* changes: Merge WebKit at r75315: Update WebKit version Merge WebKit at r75315: Add FrameLoaderClient PageCache stubs Merge WebKit at r75315: Stub out AXObjectCache::remove() Merge WebKit at r75315: Fix ImageBuffer Merge WebKit at r75315: Fix PluginData::initPlugins() Merge WebKit at r75315: Fix conflicts Merge WebKit at r75315: Fix Makefiles Merge WebKit at r75315: Move Android-specific WebCore files to Source Merge WebKit at r75315: Initial merge by git.
Diffstat (limited to 'Source/WebCore/dom/DeviceMotionController.cpp')
-rw-r--r--Source/WebCore/dom/DeviceMotionController.cpp109
1 files changed, 109 insertions, 0 deletions
diff --git a/Source/WebCore/dom/DeviceMotionController.cpp b/Source/WebCore/dom/DeviceMotionController.cpp
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+/*
+ * Copyright 2010 Apple Inc. All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * * Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * * Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS ``AS IS'' AND ANY
+ * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+ * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
+ * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
+ * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
+ * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
+ * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
+ * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#include "config.h"
+#include "DeviceMotionController.h"
+
+#include "DeviceMotionClient.h"
+#include "DeviceMotionData.h"
+#include "DeviceMotionEvent.h"
+
+namespace WebCore {
+
+DeviceMotionController::DeviceMotionController(DeviceMotionClient* client)
+ : m_client(client)
+ , m_timer(this, &DeviceMotionController::timerFired)
+{
+ ASSERT(m_client);
+ m_client->setController(this);
+}
+
+DeviceMotionController::~DeviceMotionController()
+{
+ m_client->deviceMotionControllerDestroyed();
+}
+
+void DeviceMotionController::timerFired(Timer<DeviceMotionController>* timer)
+{
+ ASSERT_UNUSED(timer, timer == &m_timer);
+ ASSERT(!m_client || m_client->currentDeviceMotion());
+ m_timer.stop();
+
+ RefPtr<DeviceMotionData> deviceMotionData = m_client ? m_client->currentDeviceMotion() : DeviceMotionData::create();
+ RefPtr<DeviceMotionEvent> event = DeviceMotionEvent::create(eventNames().devicemotionEvent, deviceMotionData.get());
+
+ Vector<DOMWindow*> listenersVector;
+ copyToVector(m_newListeners, listenersVector);
+ m_newListeners.clear();
+ for (size_t i = 0; i < listenersVector.size(); ++i)
+ listenersVector[i]->dispatchEvent(event);
+}
+
+void DeviceMotionController::addListener(DOMWindow* window)
+{
+ // If no client is present or the client already has motion data,
+ // immediately trigger an asynchronous response.
+ if (!m_client || m_client->currentDeviceMotion()) {
+ m_newListeners.add(window);
+ if (!m_timer.isActive())
+ m_timer.startOneShot(0);
+ }
+
+ bool wasEmpty = m_listeners.isEmpty();
+ m_listeners.add(window);
+ if (wasEmpty && m_client)
+ m_client->startUpdating();
+}
+
+void DeviceMotionController::removeListener(DOMWindow* window)
+{
+ m_listeners.remove(window);
+ m_newListeners.remove(window);
+ if (m_listeners.isEmpty() && m_client)
+ m_client->stopUpdating();
+}
+
+void DeviceMotionController::removeAllListeners(DOMWindow* window)
+{
+ // May be called with a DOMWindow that's not a listener.
+ if (!m_listeners.contains(window))
+ return;
+
+ m_listeners.removeAll(window);
+ m_newListeners.remove(window);
+ if (m_listeners.isEmpty() && m_client)
+ m_client->stopUpdating();
+}
+
+void DeviceMotionController::didChangeDeviceMotion(DeviceMotionData* deviceMotionData)
+{
+ RefPtr<DeviceMotionEvent> event = DeviceMotionEvent::create(eventNames().devicemotionEvent, deviceMotionData);
+ Vector<DOMWindow*> listenersVector;
+ copyToVector(m_listeners, listenersVector);
+ for (size_t i = 0; i < listenersVector.size(); ++i)
+ listenersVector[i]->dispatchEvent(event);
+}
+
+} // namespace WebCore