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// Copyright (c) 2012 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_PEPPER_PEPPER_GRAPHICS_2D_HOST_H_
#define CONTENT_RENDERER_PEPPER_PEPPER_GRAPHICS_2D_HOST_H_
#include "base/compiler_specific.h"
#include "base/memory/weak_ptr.h"
#include "content/common/content_export.h"
#include "ppapi/c/ppb_graphics_2d.h"
#include "ppapi/host/host_message_context.h"
#include "ppapi/host/resource_host.h"
#include "webkit/plugins/ppapi/plugin_delegate.h"
#include "webkit/plugins/ppapi/ppb_graphics_2d_impl.h"
namespace webkit {
namespace ppapi {
class PPB_ImageData_Impl;
class PluginInstance;
}
}
namespace content {
class RendererPpapiHost;
class CONTENT_EXPORT PepperGraphics2DHost
: public ppapi::host::ResourceHost,
public webkit::ppapi::PluginDelegate::PlatformGraphics2D,
public base::SupportsWeakPtr<PepperGraphics2DHost> {
public:
static PepperGraphics2DHost* Create(RendererPpapiHost* host,
PP_Instance instance,
PP_Resource resource,
const PP_Size& size,
PP_Bool is_always_opaque);
virtual ~PepperGraphics2DHost();
virtual int32_t OnResourceMessageReceived(
const IPC::Message& msg,
ppapi::host::HostMessageContext* context) OVERRIDE;
// PlatformGraphics2D overrides.
virtual bool ReadImageData(PP_Resource image,
const PP_Point* top_left) OVERRIDE;
virtual bool BindToInstance(
webkit::ppapi::PluginInstance* new_instance) OVERRIDE;
virtual void Paint(WebKit::WebCanvas* canvas,
const gfx::Rect& plugin_rect,
const gfx::Rect& paint_rect) OVERRIDE;
virtual void ViewWillInitiatePaint() OVERRIDE;
virtual void ViewInitiatedPaint() OVERRIDE;
virtual void ViewFlushedPaint() OVERRIDE;
virtual void SetScale(float scale) OVERRIDE;
virtual float GetScale() const OVERRIDE;
virtual bool IsAlwaysOpaque() const OVERRIDE;
virtual webkit::ppapi::PPB_ImageData_Impl* ImageData() OVERRIDE;
virtual bool IsGraphics2DHost() const OVERRIDE;
private:
PepperGraphics2DHost(RendererPpapiHost* host,
PP_Instance instance,
PP_Resource resource);
int32_t OnHostMsgPaintImageData(ppapi::host::HostMessageContext* context,
const ppapi::HostResource& image_data,
const PP_Point& top_left,
bool src_rect_specified,
const PP_Rect& src_rect);
int32_t OnHostMsgScroll(ppapi::host::HostMessageContext* context,
bool clip_specified,
const PP_Rect& clip,
const PP_Point& amount);
int32_t OnHostMsgReplaceContents(ppapi::host::HostMessageContext* context,
const ppapi::HostResource& image_data);
int32_t OnHostMsgFlush(ppapi::host::HostMessageContext* context);
int32_t OnHostMsgSetScale(ppapi::host::HostMessageContext* context,
float scale);
int32_t OnHostMsgReadImageData(ppapi::host::HostMessageContext* context,
PP_Resource image,
const PP_Point& top_left);
static void SendFlushACKToPlugin(void* data, int32_t pp_error);
// TODO: merge this delegation into this host class.
scoped_refptr<webkit::ppapi::PPB_Graphics2D_Impl> graphics_2d_;
ppapi::host::ReplyMessageContext flush_reply_context_;
bool is_running_in_process_;
DISALLOW_COPY_AND_ASSIGN(PepperGraphics2DHost);
};
} // namespace content
#endif // CONTENT_RENDERER_PEPPER_PEPPER_GRAPHICS_2D_HOST_H_
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