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// Copyright 2018 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef CONTENT_BROWSER_DISPLAY_CUTOUT_DISPLAY_CUTOUT_HOST_IMPL_H_
#define CONTENT_BROWSER_DISPLAY_CUTOUT_DISPLAY_CUTOUT_HOST_IMPL_H_
#include "base/memory/raw_ptr.h"
#include "base/memory/weak_ptr.h"
#include "content/browser/display_cutout/safe_area_insets_host.h"
#include "content/common/content_export.h"
#include "content/public/browser/render_frame_host_receiver_set.h"
#include "content/public/browser/web_contents_observer.h"
#include "third_party/blink/public/mojom/page/display_cutout.mojom.h"
#include "ui/gfx/geometry/insets.h"
namespace content {
class RenderFrameHostImpl;
class WebContentsImpl;
class CONTENT_EXPORT DisplayCutoutHostImpl : public SafeAreaInsetsHost {
public:
explicit DisplayCutoutHostImpl(WebContentsImpl*);
DisplayCutoutHostImpl(const DisplayCutoutHostImpl&) = delete;
DisplayCutoutHostImpl& operator=(const DisplayCutoutHostImpl&) = delete;
~DisplayCutoutHostImpl() override;
// Called by WebContents when various events occur.
void DidAcquireFullscreen(RenderFrameHost* rfh) override;
void DidExitFullscreen() override;
void DidFinishNavigation(NavigationHandle* navigation_handle) override;
void RenderFrameDeleted(RenderFrameHost* rfh) override;
void RenderFrameCreated(RenderFrameHost* rfh) override;
// Updates the safe area insets on the current frame.
void SetDisplayCutoutSafeArea(gfx::Insets insets) override;
protected:
void ViewportFitChangedForFrame(RenderFrameHost* rfh,
blink::mojom::ViewportFit value) override;
private:
// Set the current |RenderFrameHost| that should have control over the
// viewport fit value and we should set safe area insets on.
void SetCurrentRenderFrameHost(RenderFrameHost* rfh);
// Get the stored viewport fit value for a frame or kAuto if there is no
// stored value.
blink::mojom::ViewportFit GetValueOrDefault(RenderFrameHost* rfh) const;
// Stores the current safe area insets.
gfx::Insets insets_;
// Stores the current |RenderFrameHost| that has the applied safe area insets
// and is controlling the viewport fit value. This value is different than
// `WebContentsImpl::current_fullscreen_frame_id_` because it also considers
// browser side driven fullscreen mode, not just renderer side requested
// frames.
base::WeakPtr<RenderFrameHostImpl> current_rfh_;
// Stores a map of RenderFrameHosts and their current viewport fit values.
std::map<RenderFrameHost*, blink::mojom::ViewportFit> values_;
};
} // namespace content
#endif // CONTENT_BROWSER_DISPLAY_CUTOUT_DISPLAY_CUTOUT_HOST_IMPL_H_
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