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// Copyright 2015 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 ANDROID_WEBVIEW_BROWSER_CHILD_FRAME_H_
#define ANDROID_WEBVIEW_BROWSER_CHILD_FRAME_H_
#include <deque>
#include <memory>
#include "android_webview/browser/compositor_id.h"
#include "base/macros.h"
#include "content/public/browser/android/synchronous_compositor.h"
#include "ui/gfx/geometry/rect.h"
#include "ui/gfx/geometry/size.h"
#include "ui/gfx/transform.h"
namespace cc {
class CompositorFrame;
}
namespace android_webview {
class ChildFrame {
public:
ChildFrame(
scoped_refptr<content::SynchronousCompositor::FrameFuture> frame_future,
uint32_t layer_tree_frame_sink_id,
std::unique_ptr<cc::CompositorFrame> frame,
const CompositorID& compositor_id,
bool viewport_rect_for_tile_priority_empty,
const gfx::Transform& transform_for_tile_priority,
bool offscreen_pre_raster,
bool is_layer);
~ChildFrame();
// Helper to move frame from |frame_future| to |frame|.
void WaitOnFutureIfNeeded();
// This is used in async ondraw path. The frame is either in |frame_future|
// or |frame|. It's illegal if both are non-null.
scoped_refptr<content::SynchronousCompositor::FrameFuture> frame_future;
// These two fields are not const to make async path easier.
uint32_t layer_tree_frame_sink_id;
std::unique_ptr<cc::CompositorFrame> frame;
// The id of the compositor this |frame| comes from.
const CompositorID compositor_id;
const bool viewport_rect_for_tile_priority_empty;
const gfx::Transform transform_for_tile_priority;
const bool offscreen_pre_raster;
const bool is_layer;
private:
DISALLOW_COPY_AND_ASSIGN(ChildFrame);
};
using ChildFrameQueue = std::deque<std::unique_ptr<ChildFrame>>;
} // namespace android_webview
#endif // ANDROID_WEBVIEW_BROWSER_CHILD_FRAME_H_