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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_RENDERER_WEBPLUGIN_DELEGATE_PROXY_H__
#define CHROME_RENDERER_WEBPLUGIN_DELEGATE_PROXY_H__
#include <set>
#include <string>
#include "base/gfx/rect.h"
#include "base/ref_counted.h"
#include "chrome/common/ipc_message.h"
#include "chrome/common/plugin_messages.h"
#include "chrome/plugin/npobject_stub.h"
#include "chrome/renderer/plugin_channel_host.h"
#include "webkit/glue/webplugin.h"
#include "webkit/glue/webplugin_delegate.h"
class GURL;
struct PluginHostMsg_RouteToFrame_Params;
class RenderView;
class SkBitmap;
// An implementation of WebPluginDelegate that proxies all calls to
// the plugin process.
class WebPluginDelegateProxy : public WebPluginDelegate,
public IPC::Channel::Listener,
public IPC::Message::Sender {
public:
static WebPluginDelegateProxy* Create(const GURL& url,
const std::string& mime_type,
const std::string& clsid,
RenderView* render_view);
// Called to drop our back-pointer to the containing RenderView.
void DropRenderView() { render_view_ = NULL; }
// Called to drop our pointer to the window script object.
void DropWindowScriptObject() { window_script_object_ = NULL; }
// Called to flush any deferred geometry changes to the plugin process.
virtual void FlushGeometryUpdates();
// WebPluginDelegate implementation:
virtual void PluginDestroyed();
virtual bool Initialize(const GURL& url, char** argn, char** argv, int argc,
WebPlugin* plugin, bool load_manually);
virtual void UpdateGeometry(const gfx::Rect& window_rect,
const gfx::Rect& clip_rect, bool visible);
virtual void Paint(HDC hdc, const gfx::Rect& rect);
virtual void Print(HDC hdc);
virtual NPObject* GetPluginScriptableObject();
virtual void DidFinishLoadWithReason(NPReason reason);
virtual void SetFocus();
virtual bool HandleEvent(NPEvent* event, WebCursor* cursor);
virtual int GetProcessId();
virtual HWND GetWindowHandle();
// IPC::Channel::Listener implementation:
virtual void OnMessageReceived(const IPC::Message& msg);
void OnChannelError();
// IPC::Message::Sender implementation:
virtual bool Send(IPC::Message* msg);
virtual void SendJavaScriptStream(const std::string& url,
const std::wstring& result,
bool success, bool notify_needed,
int notify_data);
virtual void DidReceiveManualResponse(const std::string& url,
const std::string& mime_type,
const std::string& headers,
uint32 expected_length,
uint32 last_modified);
virtual void DidReceiveManualData(const char* buffer, int length);
virtual void DidFinishManualLoading();
virtual void DidManualLoadFail();
virtual std::wstring GetPluginPath();
virtual void InstallMissingPlugin();
virtual WebPluginResourceClient* CreateResourceClient(int resource_id,
const std::string &url,
bool notify_needed,
void *notify_data);
// Notifies the delegate about a Get/Post URL request getting routed
virtual void URLRequestRouted(const std::string&url, bool notify_needed,
void* notify_data);
protected:
template<class WebPluginDelegateProxy> friend class DeleteTask;
~WebPluginDelegateProxy();
private:
WebPluginDelegateProxy(const std::string& mime_type,
const std::string& clsid,
RenderView* render_view);
// Message handlers for messages that proxy WebPlugin methods, which
// we translate into calls to the real WebPlugin.
void OnSetWindow(HWND window, HANDLE modal_loop_pump_messages_event);
void OnCompleteURL(const std::string& url_in, std::string* url_out,
bool* result);
void OnHandleURLRequest(const PluginHostMsg_URLRequest_Params& params);
void OnCancelResource(int id);
void OnInvalidate();
void OnInvalidateRect(const gfx::Rect& rect);
void OnGetWindowScriptNPObject(int route_id, bool* success, void** npobject_ptr);
void OnGetPluginElement(int route_id, bool* success, void** npobject_ptr);
void OnSetCookie(const GURL& url,
const GURL& policy_url,
const std::string& cookie);
void OnGetCookies(const GURL& url, const GURL& policy_url,
std::string* cookies);
void OnShowModalHTMLDialog(const GURL& url, int width, int height,
const std::string& json_arguments,
std::string* json_retval);
void OnMissingPluginStatus(int status);
void OnGetCPBrowsingContext(uint32* context);
// Draw a graphic indicating a crashed plugin.
void PaintSadPlugin(HDC hdc, const gfx::Rect& rect);
RenderView* render_view_;
WebPlugin* plugin_;
bool windowless_;
bool first_paint_;
scoped_refptr<PluginChannelHost> channel_host_;
std::string mime_type_;
std::string clsid_;
int instance_id_;
std::wstring plugin_path_;
gfx::Rect plugin_rect_;
gfx::Rect deferred_clip_rect_;
bool send_deferred_update_geometry_;
bool visible_;
NPObject* npobject_;
NPObjectStub* window_script_object_;
// Event passed in by the plugin process and is used to decide if
// messages need to be pumped in the NPP_HandleEvent sync call.
HANDLE modal_loop_pump_messages_event_;
// Bitmap for crashed plugin
SkBitmap* sad_plugin_;
DISALLOW_EVIL_CONSTRUCTORS(WebPluginDelegateProxy);
};
#endif // #ifndef CHROME_RENDERER_WEBPLUGIN_DELEGATE_PROXY_H__
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