| // Copyright 2018 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. |
| |
| #ifndef CONTENT_BROWSER_DISPLAY_CUTOUT_DISPLAY_CUTOUT_HOST_IMPL_H_ |
| #define CONTENT_BROWSER_DISPLAY_CUTOUT_DISPLAY_CUTOUT_HOST_IMPL_H_ |
| |
| #include "content/public/browser/web_contents_binding_set.h" |
| #include "content/public/browser/web_contents_observer.h" |
| #include "third_party/blink/public/mojom/page/display_cutout.mojom.h" |
| |
| namespace content { |
| |
| class DisplayCutoutHostImpl : public blink::mojom::DisplayCutoutHost { |
| public: |
| explicit DisplayCutoutHostImpl(WebContentsImpl*); |
| ~DisplayCutoutHostImpl() override; |
| |
| // blink::mojom::DisplayCutoutHost |
| void NotifyViewportFitChanged(blink::mojom::ViewportFit value) override; |
| |
| // Stores the updated viewport fit value for a |frame| and notifies observers |
| // if it has changed. |
| void ViewportFitChangedForFrame(RenderFrameHost* rfh, |
| blink::mojom::ViewportFit value); |
| |
| // Called by WebContents when various events occur. |
| void DidAcquireFullscreen(RenderFrameHost* rfh); |
| void DidExitFullscreen(); |
| void DidStartNavigation(NavigationHandle* navigation_handle); |
| void DidFinishNavigation(NavigationHandle* navigation_handle); |
| void RenderFrameDeleted(RenderFrameHost* rfh); |
| void RenderFrameCreated(RenderFrameHost* rfh); |
| void WebContentsDestroyed(); |
| |
| // Updates the safe area insets on the current frame. |
| void SetDisplayCutoutSafeArea(gfx::Insets insets); |
| |
| private: |
| // Stores the data for a pending UKM event. |
| struct PendingUKMEvent { |
| bool is_main_frame; |
| blink::mojom::ViewportFit applied_value; |
| blink::mojom::ViewportFit supplied_value; |
| int ignored_reason; |
| int safe_areas_present = 0; |
| }; |
| |
| // 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); |
| |
| // Send the safe area insets to a |RenderFrameHost|. |
| void SendSafeAreaToFrame(RenderFrameHost* rfh, gfx::Insets insets); |
| |
| // Get the stored viewport fit value for a frame or kAuto if there is no |
| // stored value. |
| blink::mojom::ViewportFit GetValueOrDefault(RenderFrameHost* rfh) const; |
| |
| // Builds and records a Layout.DisplayCutout.StateChanged UKM event for the |
| // provided |frame|. The event will be added to the list of pending events. |
| void MaybeQueueUKMEvent(RenderFrameHost* frame); |
| |
| // Records any UKM events that we have not recorded yet. |
| void RecordPendingUKMEvents(); |
| |
| // Gets the integer value of the current safe areas for recording to UKM. |
| int GetSafeAreasPresentUKMValue() const; |
| |
| // Stores pending UKM events. |
| std::list<PendingUKMEvent> pending_ukm_events_; |
| |
| // 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. |
| RenderFrameHost* current_rfh_ = nullptr; |
| |
| // Stores a map of RenderFrameHosts and their current viewport fit values. |
| std::map<RenderFrameHost*, blink::mojom::ViewportFit> values_; |
| |
| // Holds WebContents associated mojo bindings. |
| WebContentsFrameBindingSet<blink::mojom::DisplayCutoutHost> bindings_; |
| |
| // Weak pointer to the owning |WebContentsImpl| instance. |
| WebContentsImpl* web_contents_impl_; |
| |
| DISALLOW_COPY_AND_ASSIGN(DisplayCutoutHostImpl); |
| }; |
| |
| } // namespace content |
| |
| #endif // CONTENT_BROWSER_DISPLAY_CUTOUT_DISPLAY_CUTOUT_HOST_IMPL_H_ |