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// Copyright 2014 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_RENDERER_CHILD_FRAME_COMPOSITING_HELPER_H_
#define CONTENT_RENDERER_CHILD_FRAME_COMPOSITING_HELPER_H_
#include <string>
#include <vector>
#include "base/memory/ref_counted.h"
#include "base/memory/scoped_ptr.h"
#include "base/memory/shared_memory.h"
#include "cc/layers/delegated_frame_resource_collection.h"
#include "content/common/content_export.h"
#include "ui/gfx/geometry/size.h"
namespace base {
class SharedMemory;
}
namespace cc {
class CompositorFrame;
class Layer;
class SolidColorLayer;
class DelegatedFrameProvider;
class DelegatedFrameResourceCollection;
class DelegatedRendererLayer;
}
namespace blink {
class WebFrame;
class WebPluginContainer;
class WebLayer;
}
namespace gfx {
class Rect;
class Size;
}
struct FrameHostMsg_CompositorFrameSwappedACK_Params;
struct FrameHostMsg_BuffersSwappedACK_Params;
struct FrameHostMsg_ReclaimCompositorResources_Params;
namespace content {
class BrowserPlugin;
class BrowserPluginManager;
class RenderFrameProxy;
class CONTENT_EXPORT ChildFrameCompositingHelper
: public base::RefCounted<ChildFrameCompositingHelper>,
public cc::DelegatedFrameResourceCollectionClient {
public:
static ChildFrameCompositingHelper* CreateForBrowserPlugin(
const base::WeakPtr<BrowserPlugin>& browser_plugin);
static ChildFrameCompositingHelper* CreateForRenderFrameProxy(
RenderFrameProxy* render_frame_proxy);
void DidCommitCompositorFrame();
void EnableCompositing(bool);
void OnContainerDestroy();
void OnCompositorFrameSwapped(scoped_ptr<cc::CompositorFrame> frame,
int route_id,
uint32 output_surface_id,
int host_id,
base::SharedMemoryHandle handle);
void UpdateVisibility(bool);
void ChildFrameGone();
// cc::DelegatedFrameProviderClient implementation.
void UnusedResourcesAreAvailable() override;
void SetContentsOpaque(bool);
protected:
// Friend RefCounted so that the dtor can be non-public.
friend class base::RefCounted<ChildFrameCompositingHelper>;
private:
ChildFrameCompositingHelper(
const base::WeakPtr<BrowserPlugin>& browser_plugin,
blink::WebFrame* frame,
RenderFrameProxy* render_frame_proxy,
int host_routing_id);
virtual ~ChildFrameCompositingHelper();
BrowserPluginManager* GetBrowserPluginManager();
blink::WebPluginContainer* GetContainer();
int GetInstanceID();
void SendCompositorFrameSwappedACKToBrowser(
FrameHostMsg_CompositorFrameSwappedACK_Params& params);
void SendReclaimCompositorResourcesToBrowser(
FrameHostMsg_ReclaimCompositorResources_Params& params);
void CheckSizeAndAdjustLayerProperties(const gfx::Size& new_size,
float device_scale_factor,
cc::Layer* layer);
void SendReturnedDelegatedResources();
int host_routing_id_;
int last_route_id_;
uint32 last_output_surface_id_;
int last_host_id_;
bool ack_pending_;
bool opaque_;
gfx::Size buffer_size_;
// The lifetime of this weak pointer should be greater than the lifetime of
// other member objects, as they may access this pointer during their
// destruction.
base::WeakPtr<BrowserPlugin> browser_plugin_;
RenderFrameProxy* render_frame_proxy_;
scoped_refptr<cc::DelegatedFrameResourceCollection> resource_collection_;
scoped_refptr<cc::DelegatedFrameProvider> frame_provider_;
scoped_refptr<cc::SolidColorLayer> background_layer_;
scoped_refptr<cc::DelegatedRendererLayer> delegated_layer_;
scoped_ptr<blink::WebLayer> web_layer_;
blink::WebFrame* frame_;
DISALLOW_COPY_AND_ASSIGN(ChildFrameCompositingHelper);
};
} // namespace content
#endif // CONTENT_RENDERER_CHILD_FRAME_COMPOSITING_HELPER_H_
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