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// Copyright 2014 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 "third_party/blink/renderer/modules/screen_orientation/screen_orientation_dispatcher.h"
#include "services/device/public/mojom/constants.mojom-blink.h"
#include "services/service_manager/public/cpp/connector.h"
#include "third_party/blink/public/platform/platform.h"
namespace blink {
ScreenOrientationDispatcher& ScreenOrientationDispatcher::Instance() {
DEFINE_STATIC_LOCAL(Persistent<ScreenOrientationDispatcher>,
screen_orientation_dispatcher,
(new ScreenOrientationDispatcher));
return *screen_orientation_dispatcher;
}
ScreenOrientationDispatcher::ScreenOrientationDispatcher() = default;
ScreenOrientationDispatcher::~ScreenOrientationDispatcher() {
DCHECK(!listener_);
}
void ScreenOrientationDispatcher::Trace(blink::Visitor* visitor) {
PlatformEventDispatcher::Trace(visitor);
}
void ScreenOrientationDispatcher::StartListening(LocalFrame* frame) {
DCHECK(!listener_);
Platform::Current()->GetConnector()->BindInterface(
device::mojom::blink::kServiceName, mojo::MakeRequest(&listener_));
listener_->Start();
}
void ScreenOrientationDispatcher::StopListening() {
DCHECK(listener_);
listener_->Stop();
listener_.reset();
}
} // namespace blink
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