316 lines
13 KiB
C++
316 lines
13 KiB
C++
// Copyright (c) 2008 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/ref_counted.h"
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#include "webkit/glue/webcursor.h"
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#include "webkit/glue/webview_delegate.h"
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#include "webkit/glue/webwidget_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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class CefBrowserImpl;
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struct WebPreferences;
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class GURL;
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class WebDataSource;
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class WebWidgetHost;
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class BrowserWebViewDelegate : public base::RefCounted<BrowserWebViewDelegate>,
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public WebViewDelegate {
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public:
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BrowserWebViewDelegate(CefBrowserImpl* shell)
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: policy_delegate_enabled_(false),
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policy_delegate_is_permissive_(false),
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browser_(shell),
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top_loading_frame_(NULL),
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page_id_(-1),
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last_page_id_updated_(-1),
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smart_insert_delete_enabled_(true)
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#if defined(OS_WIN)
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, select_trailing_whitespace_enabled_(true)
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#else
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, select_trailing_whitespace_enabled_(false)
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#endif
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#if defined(OS_LINUX)
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, cursor_type_(GDK_X_CURSOR)
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#endif
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{
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}
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virtual ~BrowserWebViewDelegate();
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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 WebWidget* CreatePopupWidget(WebView* webview, 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::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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WindowOpenDisposition disposition);
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virtual void RunJavaScriptAlert(WebFrame* webframe,
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const std::wstring& message);
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virtual bool RunJavaScriptConfirm(WebFrame* webframe,
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const std::wstring& message);
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virtual bool RunJavaScriptPrompt(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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ContextNode in_node,
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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 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 DidStartProvisionalLoadForFrame(
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WebView* webview,
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WebFrame* frame,
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NavigationGesture gesture);
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virtual void DidReceiveServerRedirectForProvisionalLoadForFrame(
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WebView* webview, WebFrame* frame);
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virtual void DidFailProvisionalLoadWithError(WebView* webview,
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const WebError& error,
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WebFrame* frame);
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virtual void DidCommitLoadForFrame(WebView* webview, 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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WebFrame* frame);
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virtual void DidFinishDocumentLoadForFrame(WebView* webview,
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WebFrame* frame);
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virtual void DidHandleOnloadEventsForFrame(WebView* webview,
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WebFrame* frame);
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virtual void DidChangeLocationWithinPageForFrame(WebView* webview,
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WebFrame* frame,
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bool is_new_navigation);
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virtual void DidReceiveIconForFrame(WebView* webview, WebFrame* frame);
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virtual void WillPerformClientRedirect(WebView* webview,
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WebFrame* frame,
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const std::wstring& 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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WebFrame* frame);
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virtual void DidFinishLoadForFrame(WebView* webview, WebFrame* frame);
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virtual void DidFailLoadWithError(WebView* webview,
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const WebError& error,
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WebFrame* forFrame);
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virtual void AssignIdentifierToRequest(WebView* webview,
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uint32 identifier,
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const WebRequest& request);
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virtual void WillSendRequest(WebView* webview,
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uint32 identifier,
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WebRequest* request);
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virtual void DidFinishLoading(WebView* webview, uint32 identifier);
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virtual void DidFailLoadingWithError(WebView* webview,
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uint32 identifier,
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const WebError& error);
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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(WebFrame* webframe);
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virtual WindowOpenDisposition DispositionForNavigationAction(
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WebView* webview,
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WebFrame* frame,
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const WebRequest* request,
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WebNavigationType type,
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WindowOpenDisposition disposition,
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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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// WebWidgetDelegate
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virtual gfx::NativeViewId GetContainingView(WebWidget* webwidget);
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virtual void DidInvalidateRect(WebWidget* webwidget,
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const WebKit::WebRect& rect);
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virtual void DidScrollRect(WebWidget* webwidget, int dx, int dy,
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const WebKit::WebRect& clip_rect);
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virtual void Show(WebWidget* webview, WindowOpenDisposition disposition);
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virtual void ShowAsPopupWithItems(WebWidget* webwidget,
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const WebKit::WebRect& bounds,
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int item_height,
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int selected_index,
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const std::vector<WebMenuItem>& items);
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virtual void CloseWidgetSoon(WebWidget* webwidget);
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virtual void Focus(WebWidget* webwidget);
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virtual void Blur(WebWidget* webwidget);
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virtual void SetCursor(WebWidget* webwidget,
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const WebCursor& cursor);
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virtual void GetWindowRect(WebWidget* webwidget, WebKit::WebRect* rect);
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virtual void SetWindowRect(WebWidget* webwidget, const WebKit::WebRect& rect);
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virtual void GetRootWindowRect(WebWidget *,WebKit::WebRect *);
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virtual void GetRootWindowResizerRect(WebWidget* webwidget,
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WebKit::WebRect* rect);
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virtual void DidMove(WebWidget* webwidget, const WebPluginGeometry& move);
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virtual void RunModal(WebWidget* webwidget);
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virtual bool IsHidden(WebWidget* webwidget);
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virtual WebKit::WebScreenInfo GetScreenInfo(WebWidget* webwidget);
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virtual void AddRef() {
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base::RefCounted<BrowserWebViewDelegate>::AddRef();
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}
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virtual void Release() {
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base::RefCounted<BrowserWebViewDelegate>::Release();
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}
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virtual void TakeFocus(WebView* webview, bool reverse);
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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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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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// 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 SetCustomPolicyDelegate(bool is_custom, bool is_permissive);
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void WaitForPolicyDelegate();
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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(WebFrame* webframe, const std::wstring& message);
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bool ShowJavaScriptConfirm(WebFrame* webframe, const std::wstring& message);
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bool ShowJavaScriptPrompt(WebFrame* webframe, const std::wstring& message,
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const std::wstring& default_value, 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(WebFrame*);
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WebWidgetHost* GetHostForWidget(WebWidget* webwidget);
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void UpdateForCommittedLoad(WebFrame* webframe, bool is_new_navigation);
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void UpdateURL(WebFrame* frame);
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void UpdateSessionHistory(WebFrame* frame);
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// Get a string suitable for dumping a frame to the console.
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std::wstring GetFrameDescription(WebFrame* webframe);
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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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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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// 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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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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DISALLOW_COPY_AND_ASSIGN(BrowserWebViewDelegate);
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};
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#endif // _BROWSER_WEBVIEW_DELEGATE_H
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