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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 <stdint.h>
#include <string>
#include <vector>
#include "base/macros.h"
#include "base/memory/ref_counted.h"
#include "base/memory/scoped_ptr.h"
#include "base/memory/shared_memory.h"
#include "base/memory/weak_ptr.h"
#include "cc/surfaces/surface_id.h"
#include "content/common/content_export.h"
#include "ui/gfx/geometry/size.h"
namespace base {
class SharedMemory;
}
namespace cc {
struct SurfaceSequence;
class CompositorFrame;
class Layer;
class SolidColorLayer;
class SurfaceLayer;
}
namespace blink {
class WebFrame;
class WebPluginContainer;
class WebLayer;
}
namespace gfx {
class Rect;
class Size;
}
struct FrameHostMsg_CompositorFrameSwappedACK_Params;
struct FrameHostMsg_ReclaimCompositorResources_Params;
namespace content {
class BrowserPlugin;
class BrowserPluginManager;
class RenderFrameProxy;
class ThreadSafeSender;
class CONTENT_EXPORT ChildFrameCompositingHelper
: public base::RefCounted<ChildFrameCompositingHelper> {
public:
static ChildFrameCompositingHelper* CreateForBrowserPlugin(
const base::WeakPtr<BrowserPlugin>& browser_plugin);
static ChildFrameCompositingHelper* CreateForRenderFrameProxy(
RenderFrameProxy* render_frame_proxy);
void OnContainerDestroy();
void OnSetSurface(const cc::SurfaceId& surface_id,
const gfx::Size& frame_size,
float scale_factor,
const cc::SurfaceSequence& sequence);
void UpdateVisibility(bool);
void ChildFrameGone();
cc::SurfaceId surface_id() const { return surface_id_; }
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 CheckSizeAndAdjustLayerProperties(const gfx::Size& new_size,
float device_scale_factor,
cc::Layer* layer);
static void SatisfyCallback(scoped_refptr<ThreadSafeSender> sender,
int host_routing_id,
cc::SurfaceSequence sequence);
static void SatisfyCallbackBrowserPlugin(
scoped_refptr<ThreadSafeSender> sender,
int host_routing_id,
int browser_plugin_instance_id,
cc::SurfaceSequence sequence);
static void RequireCallback(scoped_refptr<ThreadSafeSender> sender,
int host_routing_id,
cc::SurfaceId id,
cc::SurfaceSequence sequence);
static void RequireCallbackBrowserPlugin(
scoped_refptr<ThreadSafeSender> sender,
int host_routing_id,
int browser_plugin_instance_id,
cc::SurfaceId id,
cc::SurfaceSequence sequence);
void UpdateWebLayer(blink::WebLayer* layer);
int host_routing_id_;
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_ptr<blink::WebLayer> web_layer_;
cc::SurfaceId surface_id_;
blink::WebFrame* frame_;
DISALLOW_COPY_AND_ASSIGN(ChildFrameCompositingHelper);
};
} // namespace content
#endif // CONTENT_RENDERER_CHILD_FRAME_COMPOSITING_HELPER_H_
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