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android_webview / browser / gfx / compositor_frame_consumer.h [blame]
// Copyright 2016 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef ANDROID_WEBVIEW_BROWSER_GFX_COMPOSITOR_FRAME_CONSUMER_H_
#define ANDROID_WEBVIEW_BROWSER_GFX_COMPOSITOR_FRAME_CONSUMER_H_
#include "android_webview/browser/gfx/child_frame.h"
#include "android_webview/browser/gfx/parent_compositor_draw_constraints.h"
#include "android_webview/browser/gfx/root_frame_sink.h"
#include "base/time/time.h"
#include "components/viz/common/frame_timing_details_map.h"
#include "ui/gfx/geometry/point.h"
namespace viz {
class FrameSinkId;
}
namespace android_webview {
class ChildFrame;
class CompositorFrameProducer;
class CompositorFrameConsumer {
public:
// A CompositorFrameConsumer may be registered with at most one
// CompositorFrameProducer.
// The producer is responsible for managing the relationship with its
// consumers. The only exception to this is when a consumer is explicitly
// destroyed, at which point it needs to inform its producer.
// In order to register a consumer with a new producer, the current producer
// must unregister the consumer, and call SetCompositorProducer(nullptr).
virtual void SetCompositorFrameProducer(
CompositorFrameProducer* compositor_frame_producer,
RootFrameSinkGetter root_frame_sink_getter) = 0;
virtual void SetScrollOffsetOnUI(gfx::Point scroll_offset) = 0;
// Returns uncommitted frame to be returned, if any.
virtual std::unique_ptr<ChildFrame> SetFrameOnUI(
std::unique_ptr<ChildFrame> frame) = 0;
virtual void TakeParentDrawDataOnUI(
ParentCompositorDrawConstraints* constraints,
viz::FrameSinkId* frame_sink_id,
viz::FrameTimingDetailsMap* timing_details,
uint32_t* frame_token,
base::TimeDelta* preferred_frame_interval) = 0;
virtual ChildFrameQueue PassUncommittedFrameOnUI() = 0;
protected:
virtual ~CompositorFrameConsumer() {}
};
} // namespace android_webview
#endif // ANDROID_WEBVIEW_BROWSER_GFX_COMPOSITOR_FRAME_CONSUMER_H_