Imported WebKit commit e89504fa9195b2063b2530961d4b73dd08de3242 (http://svn.webkit.org/repository/webkit/trunk@135485)

Change-Id: I03774e5ac79721c13ffa30d152537a74d0b12e66
Reviewed-by: Simon Hausmann <simon.hausmann@digia.com>

1 files changed, 103 insertions, 0 deletions

diff --git a/Source/WebCore/page/DeviceController.cpp b/Source/WebCore/page/DeviceController.cpp
new file mode 100644
index 000000000..be270db87
--- /dev/null
+++ b/Source/WebCore/page/DeviceController.cpp
@@ -0,0 +1,103 @@
+/*
+ * Copyright 2010, The Android Open Source Project
+ * Copyright (C) 2012 Samsung Electronics. All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. 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 APPLE INC. AND ITS CONTRIBUTORS ``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 APPLE INC. OR ITS 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 "DeviceController.h"
+
+#include "DeviceClient.h"
+#include "Document.h"
+#include "Page.h"
+
+namespace WebCore {
+
+DeviceController::DeviceController(DeviceClient* client)
+    : m_client(client)
+    , m_timer(this, &DeviceController::fireDeviceEvent)
+{
+    ASSERT(m_client);
+}
+
+void DeviceController::addDeviceEventListener(DOMWindow* window)
+{
+    bool wasEmpty = m_listeners.isEmpty();
+    m_listeners.add(window);
+
+    if (hasLastData()) {
+        m_lastEventListeners.add(window);
+        if (!m_timer.isActive())
+            m_timer.startOneShot(0);
+    }
+
+    if (wasEmpty)
+        m_client->startUpdating();
+}
+
+void DeviceController::removeDeviceEventListener(DOMWindow* window)
+{
+    m_listeners.remove(window);
+    m_lastEventListeners.remove(window);
+    if (m_listeners.isEmpty())
+        m_client->stopUpdating();
+}
+
+void DeviceController::removeAllDeviceEventListeners(DOMWindow* window)
+{
+    m_listeners.removeAll(window);
+    m_lastEventListeners.removeAll(window);
+    if (m_listeners.isEmpty())
+        m_client->stopUpdating();
+}
+
+void DeviceController::dispatchDeviceEvent(PassRefPtr<Event> event)
+{
+    Vector<RefPtr<DOMWindow> > listenerVector;
+    copyToVector(m_listeners, listenerVector);
+    for (size_t i = 0; i < listenerVector.size(); ++i) {
+        if (listenerVector[i]->document()
+            && !listenerVector[i]->document()->activeDOMObjectsAreSuspended()
+            && !listenerVector[i]->document()->activeDOMObjectsAreStopped())
+        listenerVector[i]->dispatchEvent(event);
+    }
+}
+
+void DeviceController::fireDeviceEvent(Timer<DeviceController>* timer)
+{
+    ASSERT_UNUSED(timer, timer == &m_timer);
+    ASSERT(hasLastData());
+
+    m_timer.stop();
+    Vector<RefPtr<DOMWindow> > listenerVector;
+    copyToVector(m_lastEventListeners, listenerVector);
+    m_lastEventListeners.clear();
+    for (size_t i = 0; i < listenerVector.size(); ++i) {
+        if (listenerVector[i]->document()
+            && !listenerVector[i]->document()->activeDOMObjectsAreSuspended()
+            && !listenerVector[i]->document()->activeDOMObjectsAreStopped())
+        listenerVector[i]->dispatchEvent(getLastEvent());
+    }
+}
+
+} // namespace WebCore