319 lines
13 KiB
C++
319 lines
13 KiB
C++
// Copyright (c) 2008-2009 The Chromium Embedded Framework Authors.
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// Portions copyright (c) 2006-2008 The Chromium Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file.
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// BrowserWebViewDelegate class:
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// This class implements the WebViewDelegate methods for the test shell. One
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// instance is owned by each CefBrowser.
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#ifndef _BROWSER_WEBVIEW_DELEGATE_H
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#define _BROWSER_WEBVIEW_DELEGATE_H
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#include "build/build_config.h"
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#include <map>
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#if defined(OS_LINUX)
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#include <gdk/gdkcursor.h>
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#endif
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#include "base/basictypes.h"
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#include "base/linked_ptr.h"
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#include "webkit/glue/webcursor.h"
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#include "webkit/glue/webview_delegate.h"
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#if defined(OS_WIN)
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#include "browser_drag_delegate.h"
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#include "browser_drop_delegate.h"
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#endif
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#include "browser_navigation_controller.h"
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class CefBrowserImpl;
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struct ContextMenuMediaParams;
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struct WebPreferences;
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class GURL;
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class WebWidgetHost;
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class BrowserWebViewDelegate : public WebViewDelegate {
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public:
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BrowserWebViewDelegate(CefBrowserImpl* browser);
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virtual ~BrowserWebViewDelegate() {}
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void Reset();
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// WebViewDelegate
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virtual WebView* CreateWebView(WebView* webview,
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bool user_gesture,
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const GURL& creator_url);
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virtual WebKit::WebWidget* CreatePopupWidget(
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WebView* webview,
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bool activatable);
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virtual WebPluginDelegate* CreatePluginDelegate(
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WebView* webview,
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const GURL& url,
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const std::string& mime_type,
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const std::string& clsid,
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std::string* actual_mime_type);
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virtual WebKit::WebMediaPlayer* CreateWebMediaPlayer(
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WebKit::WebMediaPlayerClient* client);
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virtual WebKit::WebWorker* CreateWebWorker(WebKit::WebWorkerClient* client);
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virtual void OpenURL(WebView* webview,
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const GURL& url,
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const GURL& referrer,
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WebKit::WebNavigationPolicy policy);
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virtual void DidMovePlugin(const WebPluginGeometry& move);
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virtual void RunJavaScriptAlert(WebKit::WebFrame* webframe,
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const std::wstring& message);
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virtual bool RunJavaScriptConfirm(WebKit::WebFrame* webframe,
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const std::wstring& message);
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virtual bool RunJavaScriptPrompt(WebKit::WebFrame* webframe,
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const std::wstring& message,
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const std::wstring& default_value,
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std::wstring* result);
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virtual void SetStatusbarText(WebView* webview,
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const std::wstring& message);
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virtual void AddMessageToConsole(WebView* webview,
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const std::wstring& message,
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unsigned int line_no,
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const std::wstring& source_id);
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virtual void StartDragging(WebView* webview,
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const WebKit::WebDragData& drop_data);
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virtual void ShowContextMenu(WebView* webview,
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ContextNodeType node_type,
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int x,
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int y,
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const GURL& link_url,
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const GURL& image_url,
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const GURL& page_url,
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const GURL& frame_url,
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const ContextMenuMediaParams& media_params,
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const std::wstring& selection_text,
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const std::wstring& misspelled_word,
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int edit_flags,
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const std::string& security_info,
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const std::string& frame_charset);
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virtual void DidCreateDataSource(WebKit::WebFrame* frame,
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WebKit::WebDataSource* ds);
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virtual void DidStartProvisionalLoadForFrame(
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WebView* webview,
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WebKit::WebFrame* frame,
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NavigationGesture gesture);
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virtual void DidReceiveProvisionalLoadServerRedirect(
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WebView* webview, WebKit::WebFrame* frame);
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virtual void DidFailProvisionalLoadWithError(
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WebView* webview,
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const WebKit::WebURLError& error,
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WebKit::WebFrame* frame);
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virtual void DidCommitLoadForFrame(
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WebView* webview,
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WebKit::WebFrame* frame,
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bool is_new_navigation);
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virtual void DidReceiveTitle(WebView* webview,
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const std::wstring& title,
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WebKit::WebFrame* frame);
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virtual void DidFinishDocumentLoadForFrame(WebView* webview,
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WebKit::WebFrame* frame);
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virtual void DidHandleOnloadEventsForFrame(WebView* webview,
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WebKit::WebFrame* frame);
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virtual void DidChangeLocationWithinPageForFrame(WebView* webview,
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WebKit::WebFrame* frame,
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bool is_new_navigation);
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virtual void DidReceiveIconForFrame(WebView* webview,
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WebKit::WebFrame* frame);
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virtual void WillPerformClientRedirect(WebView* webview,
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WebKit::WebFrame* frame,
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const GURL& src_url,
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const GURL& dest_url,
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unsigned int delay_seconds,
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unsigned int fire_date);
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virtual void DidCancelClientRedirect(WebView* webview,
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WebKit::WebFrame* frame);
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virtual void DidFinishLoadForFrame(WebView* webview, WebKit::WebFrame* frame);
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virtual void DidFailLoadWithError(WebView* webview,
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const WebKit::WebURLError& error,
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WebKit::WebFrame* for_frame);
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virtual void AssignIdentifierToRequest(WebKit::WebFrame* webframe,
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uint32 identifier,
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const WebKit::WebURLRequest& request);
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virtual void WillSendRequest(WebKit::WebFrame* webframe,
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uint32 identifier,
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WebKit::WebURLRequest* request,
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const WebKit::WebURLResponse& redirect_response);
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virtual void DidFinishLoading(WebKit::WebFrame* webframe, uint32 identifier);
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virtual void DidFailLoadingWithError(WebKit::WebFrame* webframe,
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uint32 identifier,
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const WebKit::WebURLError& error);
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virtual void DidReceiveResponse(WebKit::WebFrame* webframe,
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uint32 identifier,
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const WebKit::WebURLResponse& response);
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virtual bool ShouldBeginEditing(WebView* webview, std::wstring range);
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virtual bool ShouldEndEditing(WebView* webview, std::wstring range);
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virtual bool ShouldInsertNode(WebView* webview,
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std::wstring node,
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std::wstring range,
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std::wstring action);
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virtual bool ShouldInsertText(WebView* webview,
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std::wstring text,
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std::wstring range,
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std::wstring action);
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virtual bool ShouldChangeSelectedRange(WebView* webview,
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std::wstring fromRange,
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std::wstring toRange,
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std::wstring affinity,
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bool stillSelecting);
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virtual bool ShouldDeleteRange(WebView* webview, std::wstring range);
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virtual bool ShouldApplyStyle(WebView* webview,
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std::wstring style,
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std::wstring range);
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virtual bool SmartInsertDeleteEnabled();
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virtual void DidBeginEditing();
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virtual void DidChangeSelection();
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virtual void DidChangeContents();
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virtual void DidEndEditing();
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virtual void DidStartLoading(WebView* webview);
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virtual void DidStopLoading(WebView* webview);
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virtual void WindowObjectCleared(WebKit::WebFrame* webframe);
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virtual WebKit::WebNavigationPolicy PolicyForNavigationAction(
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WebView* webview,
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WebKit::WebFrame* frame,
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const WebKit::WebURLRequest& request,
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WebKit::WebNavigationType type,
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WebKit::WebNavigationPolicy default_policy,
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bool is_redirect);
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virtual void NavigateBackForwardSoon(int offset);
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virtual int GetHistoryBackListCount();
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virtual int GetHistoryForwardListCount();
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virtual void TakeFocus(WebView* webview, bool reverse);
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// WebWidgetClient
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virtual void didInvalidateRect(const WebKit::WebRect& rect);
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virtual void didScrollRect(int dx, int dy,
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const WebKit::WebRect& clip_rect);
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virtual void didFocus();
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virtual void didBlur();
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virtual void didChangeCursor(const WebKit::WebCursorInfo& cursor);
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virtual void closeWidgetSoon();
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virtual void show(WebKit::WebNavigationPolicy policy);
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virtual void runModal();
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virtual WebKit::WebRect windowRect();
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virtual void setWindowRect(const WebKit::WebRect& rect);
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virtual WebKit::WebRect rootWindowRect();
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virtual WebKit::WebRect windowResizerRect();
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virtual WebKit::WebScreenInfo screenInfo();
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void SetSmartInsertDeleteEnabled(bool enabled);
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void SetSelectTrailingWhitespaceEnabled(bool enabled);
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// Additional accessors
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WebKit::WebFrame* top_loading_frame() { return top_loading_frame_; }
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#if defined(OS_WIN)
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IDropTarget* drop_delegate() { return drop_delegate_.get(); }
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IDropSource* drag_delegate() { return drag_delegate_.get(); }
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#endif
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void set_pending_extra_data(BrowserExtraData* extra_data) {
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pending_extra_data_.reset(extra_data);
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}
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// Methods for modifying WebPreferences
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void SetUserStyleSheetEnabled(bool is_enabled);
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void SetUserStyleSheetLocation(const GURL& location);
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// Sets the webview as a drop target.
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void RegisterDragDrop();
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void RevokeDragDrop();
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void ResetDragDrop();
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void SetCustomPolicyDelegate(bool is_custom, bool is_permissive);
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void WaitForPolicyDelegate();
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void set_block_redirects(bool block_redirects) {
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block_redirects_ = block_redirects;
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}
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bool block_redirects() const {
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return block_redirects_;
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}
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CefBrowserImpl* GetBrowser() { return browser_; }
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protected:
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// Called when the URL of the page changes.
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void UpdateAddressBar(WebView* webView);
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// Default handling of JavaScript messages.
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void ShowJavaScriptAlert(WebKit::WebFrame* webframe,
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const std::wstring& message);
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bool ShowJavaScriptConfirm(WebKit::WebFrame* webframe,
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const std::wstring& message);
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bool ShowJavaScriptPrompt(WebKit::WebFrame* webframe,
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const std::wstring& message,
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const std::wstring& default_value,
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std::wstring* result);
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// In the Mac code, this is called to trigger the end of a test after the
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// page has finished loading. From here, we can generate the dump for the
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// test.
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void LocationChangeDone(WebKit::WebFrame*);
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WebWidgetHost* GetWidgetHost();
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void UpdateForCommittedLoad(WebKit::WebFrame* webframe,
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bool is_new_navigation);
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void UpdateURL(WebKit::WebFrame* frame);
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void UpdateSessionHistory(WebKit::WebFrame* frame);
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private:
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// Causes navigation actions just printout the intended navigation instead
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// of taking you to the page. This is used for cases like mailto, where you
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// don't actually want to open the mail program.
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bool policy_delegate_enabled_;
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// Toggles the behavior of the policy delegate. If true, then navigations
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// will be allowed. Otherwise, they will be ignored (dropped).
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bool policy_delegate_is_permissive_;
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// Non-owning pointer. The delegate is owned by the host.
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CefBrowserImpl* browser_;
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// This is non-NULL IFF a load is in progress.
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WebKit::WebFrame* top_loading_frame_;
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// For tracking session history. See RenderView.
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int page_id_;
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int last_page_id_updated_;
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linked_ptr<BrowserExtraData> pending_extra_data_;
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WebCursor current_cursor_;
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#if defined(OS_WIN)
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// Classes needed by drag and drop.
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scoped_refptr<BrowserDragDelegate> drag_delegate_;
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scoped_refptr<BrowserDropDelegate> drop_delegate_;
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#endif
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#if defined(OS_LINUX)
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// The type of cursor the window is currently using.
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// Used for judging whether a new SetCursor call is actually changing the
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// cursor.
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GdkCursorType cursor_type_;
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#endif
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// true if we want to enable smart insert/delete.
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bool smart_insert_delete_enabled_;
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// true if we want to enable selection of trailing whitespaces
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bool select_trailing_whitespace_enabled_;
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// true if we should block any redirects
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bool block_redirects_;
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};
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#endif // _BROWSER_WEBVIEW_DELEGATE_H
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