| // Copyright (c) 2011 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_RENDER_VIEW_OBSERVER_H_ |
| #define CONTENT_RENDERER_RENDER_VIEW_OBSERVER_H_ |
| #pragma once |
| |
| #include "base/basictypes.h" |
| #include "ipc/ipc_channel.h" |
| #include "third_party/WebKit/Source/WebKit/chromium/public/WebIconURL.h" |
| |
| class RenderView; |
| |
| namespace WebKit { |
| class WebDataSource; |
| class WebFrame; |
| class WebFormElement; |
| class WebMediaPlayerClient; |
| class WebMouseEvent; |
| class WebNode; |
| class WebString; |
| class WebURL; |
| struct WebURLError; |
| } |
| |
| // Base class for objects that want to filter incoming IPCs, and also get |
| // notified of changes to the frame. |
| class RenderViewObserver : public IPC::Channel::Listener, |
| public IPC::Message::Sender { |
| public: |
| // By default, observers will be deleted when the RenderView goes away. If |
| // they want to outlive it, they can override this function. |
| virtual void OnDestruct(); |
| |
| // These match the WebKit API notifications |
| virtual void DidStartLoading() {} |
| virtual void DidStopLoading() {} |
| virtual void DidChangeIcon(WebKit::WebFrame* frame, |
| WebKit::WebIconURL::Type) {} |
| virtual void DidFinishDocumentLoad(WebKit::WebFrame* frame) {} |
| virtual void DidFailLoad(WebKit::WebFrame* frame, |
| const WebKit::WebURLError& error) {} |
| virtual void DidFinishLoad(WebKit::WebFrame* frame) {} |
| virtual void DidStartProvisionalLoad(WebKit::WebFrame* frame) {} |
| virtual void DidFailProvisionalLoad(WebKit::WebFrame* frame, |
| const WebKit::WebURLError& error) {} |
| virtual void DidCommitProvisionalLoad(WebKit::WebFrame* frame, |
| bool is_new_navigation) {} |
| virtual void DidClearWindowObject(WebKit::WebFrame* frame) {} |
| virtual void WillPerformClientRedirect( |
| WebKit::WebFrame* frame, const WebKit::WebURL& from, |
| const WebKit::WebURL& to, double interval, double fire_time) {} |
| virtual void DidCancelClientRedirect(WebKit::WebFrame* frame) {} |
| virtual void DidCompleteClientRedirect(WebKit::WebFrame* frame, |
| const WebKit::WebURL& from) {} |
| virtual void DidCreateDocumentElement(WebKit::WebFrame* frame) {} |
| virtual void FrameDetached(WebKit::WebFrame* frame) {} |
| virtual void FrameWillClose(WebKit::WebFrame* frame) {} |
| virtual void WillSubmitForm(WebKit::WebFrame* frame, |
| const WebKit::WebFormElement& form) {} |
| virtual void DidCreateDataSource(WebKit::WebFrame* frame, |
| WebKit::WebDataSource* ds) {} |
| virtual void PrintPage(WebKit::WebFrame* frame) {} |
| virtual void FocusedNodeChanged(const WebKit::WebNode& node) {} |
| |
| // These match the RenderView methods. |
| virtual void DidHandleMouseEvent(const WebKit::WebMouseEvent& event) {} |
| |
| virtual void WillCreateMediaPlayer(WebKit::WebFrame* frame, |
| WebKit::WebMediaPlayerClient* client) {} |
| |
| protected: |
| explicit RenderViewObserver(RenderView* render_view); |
| virtual ~RenderViewObserver(); |
| |
| // IPC::Channel::Listener implementation. |
| virtual bool OnMessageReceived(const IPC::Message& message); |
| |
| // IPC::Message::Sender implementation. |
| virtual bool Send(IPC::Message* message); |
| |
| RenderView* render_view() { return render_view_; } |
| int routing_id() { return routing_id_; } |
| |
| private: |
| friend class RenderView; |
| |
| void set_render_view(RenderView* rv) { render_view_ = rv; } |
| |
| RenderView* render_view_; |
| // The routing ID of the associated RenderView. |
| int routing_id_; |
| |
| DISALLOW_COPY_AND_ASSIGN(RenderViewObserver); |
| }; |
| |
| #endif // CONTENT_RENDERER_RENDER_VIEW_OBSERVER_H_ |