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// Copyright 2008, Google Inc.
// All rights reserved.
//
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions are
// met:
//
// * Redistributions of source code must retain the above copyright
// notice, this list of conditions and the following disclaimer.
// * Redistributions in binary form must reproduce the above
// copyright notice, this list of conditions and the following disclaimer
// in the documentation and/or other materials provided with the
// distribution.
// * Neither the name of Google Inc. nor the names of its
// contributors may be used to endorse or promote products derived from
// this software without specific prior written permission.
//
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
#ifndef CHROME_PLUGIN_WEBPLUGIN_DELEGATE_STUB_H__
#define CHROME_PLUGIN_WEBPLUGIN_DELEGATE_STUB_H__
#include <queue>
#include "base/gfx/rect.h"
#include "base/ref_counted.h"
#include "base/task.h"
#include "bindings/npapi.h"
#include "chrome/common/ipc_channel.h"
#include "chrome/common/plugin_messages.h"
class GURL;
class PluginChannel;
class WebPluginProxy;
class WebPluginDelegateImpl;
struct PluginMsg_Init_Params;
struct PluginMsg_Paint_Params;
struct PluginMsg_DidReceiveResponseParams;
class WebCursor;
// Converts the IPC messages from WebPluginDelegateProxy into calls to the
// actual WebPluginDelegate object.
class WebPluginDelegateStub : public IPC::Channel::Listener,
public IPC::Message::Sender,
public base::RefCounted<WebPluginDelegateStub> {
public:
WebPluginDelegateStub(const std::string& mime_type, int instance_id,
PluginChannel* channel);
~WebPluginDelegateStub();
// IPC::Channel::Listener implementation:
virtual void OnMessageReceived(const IPC::Message& msg);
// IPC::Message::Sender implementation:
virtual bool Send(IPC::Message* msg);
int instance_id() { return instance_id_; }
private:
// Message handlers for the WebPluginDelegate calls that are proxied from the
// renderer over the IPC channel.
void OnInit(const PluginMsg_Init_Params& params, bool* result);
void OnWillSendRequest(int id, const GURL& url);
void OnDidReceiveResponse(const PluginMsg_DidReceiveResponseParams& params,
bool* cancel);
void OnDidReceiveData(int id, const std::vector<char>& buffer);
void OnDidFinishLoading(int id);
void OnDidFail(int id);
void OnDidFinishLoadWithReason(int reason);
void OnSetFocus();
void OnHandleEvent(const NPEvent& event, bool* handled,
WebCursor* cursor);
void OnPaint(const PluginMsg_Paint_Params& params);
void OnPrint(PluginMsg_PrintResponse_Params* params);
// Paints the plugin into a buffer. It roughly does the same as OnPaint (i.e.
// painting a plugin) except that the plugin window is always renderered into
// an EMF buffer and that it is effective for windowed plugins too.
void OnPaintIntoSharedMemory(const PluginMsg_Paint_Params& params,
SharedMemoryHandle* emf_buffer, size_t* bytes);
// Paints a windowed plugin into a device context.
void WindowedPaint(HDC hdc, const gfx::Rect& window_rect);
// Paints a windowless plugin into a device context.
void WindowlessPaint(HDC hdc,
const PluginMsg_Paint_Params& params);
void OnUpdateGeometry(const gfx::Rect& window_rect,
const gfx::Rect& clip_rect, bool visible);
void OnGetPluginScriptableObject(int* route_id, void** npobject_ptr);
void OnSendJavaScriptStream(const std::string& url,
const std::wstring& result,
bool success, bool notify_needed,
int notify_data);
void OnDidReceiveManualResponse(
const std::string& url,
const PluginMsg_DidReceiveResponseParams& params);
void OnDidReceiveManualData(const std::vector<char>& buffer);
void OnDidFinishManualLoading();
void OnDidManualLoadFail();
void OnInstallMissingPlugin();
void OnHandleURLRequestReply(
const PluginMsg_URLRequestReply_Params& params);
void OnURLRequestRouted(const std::string& url, bool notify_needed,
HANDLE notify_data);
void CreateSharedBuffer(size_t size,
SharedMemory* shared_buf,
SharedMemoryHandle* remote_handle);
int instance_id_;
std::string mime_type_;
scoped_refptr<PluginChannel> channel_;
WebPluginDelegateImpl* delegate_;
WebPluginProxy* webplugin_;
DISALLOW_EVIL_CONSTRUCTORS(WebPluginDelegateStub);
};
#endif // CHROME_PLUGIN_WEBPLUGIN_DELEGATE_STUB_H__
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