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// Copyright 2021 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef THIRD_PARTY_BLINK_RENDERER_MODULES_XR_XR_ENTER_FULLSCREEN_OBSERVER_H_
#define THIRD_PARTY_BLINK_RENDERER_MODULES_XR_XR_ENTER_FULLSCREEN_OBSERVER_H_
#include "base/functional/callback.h"
#include "third_party/blink/renderer/core/dom/element.h"
#include "third_party/blink/renderer/core/dom/events/event.h"
#include "third_party/blink/renderer/core/dom/events/native_event_listener.h"
#include "third_party/blink/renderer/core/execution_context/execution_context.h"
namespace blink {
// Native event listener for fullscreen change / error events for use when
// entering fullscreen.
class XrEnterFullscreenObserver : public NativeEventListener {
public:
XrEnterFullscreenObserver();
XrEnterFullscreenObserver(const XrEnterFullscreenObserver&) = delete;
XrEnterFullscreenObserver& operator=(const XrEnterFullscreenObserver&) =
delete;
~XrEnterFullscreenObserver() override;
// NativeEventListener
void Invoke(ExecutionContext*, Event*) override;
// Attempt to enter fullscreen with |element| as the root. |on_completed| will
// be notified with whether or not fullscreen was successfully entered.
// Set |may_have_camera_access| if entering fullscreen for a session that may
// have camera access available to it - this would ensure that there is space
// reserved for status bar.
void RequestFullscreen(Element* element,
bool setup_for_dom_overlay,
bool may_have_camera_access,
base::OnceCallback<void(bool)> on_completed);
void Trace(Visitor*) const override;
private:
Member<Element> fullscreen_element_;
base::OnceCallback<void(bool)> on_completed_;
};
} // namespace blink
#endif // THIRD_PARTY_BLINK_RENDERER_MODULES_XR_XR_ENTER_FULLSCREEN_OBSERVER_H_
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