Absolute Device Orientation API: blink implementation.

third_party/WebKit/Source/modules/device_orientation/DeviceOrientationAbsoluteController.cpp

+// Copyright 2015 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 "config.h"
+#include "modules/device_orientation/DeviceOrientationAbsoluteController.h"
+
+#include "core/dom/Document.h"
+#include "core/frame/Settings.h"
+#include "modules/device_orientation/DeviceOrientationDispatcher.h"
+
+namespace blink {
+
+DeviceOrientationAbsoluteController::DeviceOrientationAbsoluteController(Document& document)
+    : DeviceOrientationController(document)
+{
+}
+
+DeviceOrientationAbsoluteController::~DeviceOrientationAbsoluteController()
+{
+}
+
+const char* DeviceOrientationAbsoluteController::supplementName()
+{
+    return "DeviceOrientationAbsoluteController";
+}
+
+DeviceOrientationAbsoluteController& DeviceOrientationAbsoluteController::from(Document& document)
+{
+    DeviceOrientationAbsoluteController* controller = static_cast<DeviceOrientationAbsoluteController*>(WillBeHeapSupplement<Document>::from(document, DeviceOrientationAbsoluteController::supplementName()));
+    if (!controller) {
+        controller = new DeviceOrientationAbsoluteController(document);
+        WillBeHeapSupplement<Document>::provideTo(document, DeviceOrientationAbsoluteController::supplementName(), adoptPtrWillBeNoop(controller));
+    }
+    return *controller;
+}
+
+void DeviceOrientationAbsoluteController::didAddEventListener(LocalDOMWindow* window, const AtomicString& eventType)
+{
+    if (eventType != eventTypeName())
+        return;
+
+    if (document().frame()) {
+        String errorMessage;
+        if (document().isSecureContext(errorMessage)) {
+            UseCounter::count(document().frame(), UseCounter::DeviceOrientationAbsoluteSecureOrigin);
+        } else {
+            UseCounter::countDeprecation(document().frame(), UseCounter::DeviceOrientationAbsoluteInsecureOrigin);
+            // TODO: add rappor logging of insecure origins as in DeviceOrientationController.
+            if (document().frame()->settings()->strictPowerfulFeatureRestrictions())
+                return;
+        }
+    }
+
+    // TODO: add rappor url logging as in DeviceOrientationController.
+
+    DeviceSingleWindowEventController::didAddEventListener(window, eventType);
+}
+
+DeviceOrientationDispatcher& DeviceOrientationAbsoluteController::dispatcherInstance() const
+{
+    return DeviceOrientationDispatcher::instance(true);
+}
+
+const AtomicString& DeviceOrientationAbsoluteController::eventTypeName() const
+{
+    return EventTypeNames::deviceorientationabsolute;
+}
+
+DEFINE_TRACE(DeviceOrientationAbsoluteController)
+{
+    DeviceOrientationController::trace(visitor);
+}
+
+} // namespace blink