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cef/libcef/browser_webview_delegate.h

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// Copyright (c) 2008-2009 The Chromium Embedded Framework Authors.
// Portions copyright (c) 2006-2008 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.
// BrowserWebViewDelegate class:
// This class implements the WebViewDelegate methods for the test shell. One
// instance is owned by each CefBrowser.
#ifndef _BROWSER_WEBVIEW_DELEGATE_H
#define _BROWSER_WEBVIEW_DELEGATE_H
#include "build/build_config.h"
#include <map>
#if defined(OS_LINUX)
#include <gdk/gdkcursor.h>
#endif
#include "base/basictypes.h"
#include "base/scoped_ptr.h"
#include "base/weak_ptr.h"
#include "third_party/WebKit/WebKit/chromium/public/WebContextMenuData.h"
#include "third_party/WebKit/WebKit/chromium/public/WebFrameClient.h"
#include "third_party/WebKit/WebKit/chromium/public/WebRect.h"
#include "third_party/WebKit/WebKit/chromium/public/WebViewClient.h"
#include "webkit/glue/webcursor.h"
#include "webkit/glue/webplugin_page_delegate.h"
#if defined(OS_WIN)
#include "browser_drag_delegate.h"
#include "browser_drop_delegate.h"
#endif
#include "browser_navigation_controller.h"
class CefBrowserImpl;
struct WebPreferences;
class GURL;
class WebWidgetHost;
class FilePath;
class BrowserWebViewDelegate : public WebKit::WebViewClient,
public WebKit::WebFrameClient,
public webkit_glue::WebPluginPageDelegate,
public base::SupportsWeakPtr<BrowserWebViewDelegate> {
public:
// WebKit::WebViewClient
virtual WebKit::WebView* createView(WebKit::WebFrame* creator);
virtual WebKit::WebWidget* createPopupMenu(bool activatable);
virtual WebKit::WebWidget* createPopupMenu(
const WebKit::WebPopupMenuInfo& info);
virtual WebKit::WebStorageNamespace* createSessionStorageNamespace();
virtual void didAddMessageToConsole(
const WebKit::WebConsoleMessage& message,
const WebKit::WebString& source_name, unsigned source_line);
virtual void didStartLoading();
virtual void didStopLoading();
virtual bool shouldBeginEditing(const WebKit::WebRange& range);
virtual bool shouldEndEditing(const WebKit::WebRange& range);
virtual bool shouldInsertNode(
const WebKit::WebNode& node, const WebKit::WebRange& range,
WebKit::WebEditingAction action);
virtual bool shouldInsertText(
const WebKit::WebString& text, const WebKit::WebRange& range,
WebKit::WebEditingAction action);
virtual bool shouldChangeSelectedRange(
const WebKit::WebRange& from, const WebKit::WebRange& to,
WebKit::WebTextAffinity affinity, bool still_selecting);
virtual bool shouldDeleteRange(const WebKit::WebRange& range);
virtual bool shouldApplyStyle(
const WebKit::WebString& style, const WebKit::WebRange& range);
virtual bool isSmartInsertDeleteEnabled();
virtual bool isSelectTrailingWhitespaceEnabled();
virtual bool handleCurrentKeyboardEvent();
virtual bool runFileChooser(
bool multi_select, const WebKit::WebString& title,
const WebKit::WebString& initial_value,
WebKit::WebFileChooserCompletion* chooser_completion);
virtual void runModalAlertDialog(
WebKit::WebFrame* frame, const WebKit::WebString& message);
virtual bool runModalConfirmDialog(
WebKit::WebFrame* frame, const WebKit::WebString& message);
virtual bool runModalPromptDialog(
WebKit::WebFrame* frame, const WebKit::WebString& message,
const WebKit::WebString& default_value, WebKit::WebString* actual_value);
virtual bool runModalBeforeUnloadDialog(
WebKit::WebFrame* frame, const WebKit::WebString& message);
virtual void showContextMenu(
WebKit::WebFrame* frame, const WebKit::WebContextMenuData& data);
virtual void setStatusText(const WebKit::WebString& text);
virtual void setMouseOverURL(const WebKit::WebURL& url);
virtual void setKeyboardFocusURL(const WebKit::WebURL& url);
virtual void setToolTipText(
const WebKit::WebString& text, WebKit::WebTextDirection hint);
virtual void startDragging(
const WebKit::WebPoint& from, const WebKit::WebDragData& data,
WebKit::WebDragOperationsMask mask);
virtual bool acceptsLoadDrops() { return true; }
virtual void focusNext();
virtual void focusPrevious();
virtual void navigateBackForwardSoon(int offset);
virtual int historyBackListCount();
virtual int historyForwardListCount();
// WebKit::WebWidgetClient
virtual void didInvalidateRect(const WebKit::WebRect& rect);
virtual void didScrollRect(int dx, int dy,
const WebKit::WebRect& clip_rect);
virtual void didFocus();
virtual void didBlur();
virtual void didChangeCursor(const WebKit::WebCursorInfo& cursor);
virtual void closeWidgetSoon();
virtual void show(WebKit::WebNavigationPolicy policy);
virtual void runModal();
virtual WebKit::WebRect windowRect();
virtual void setWindowRect(const WebKit::WebRect& rect);
virtual WebKit::WebRect rootWindowRect();
virtual WebKit::WebRect windowResizerRect();
virtual WebKit::WebScreenInfo screenInfo();
// WebKit::WebFrameClient
virtual WebKit::WebPlugin* createPlugin(
WebKit::WebFrame*, const WebKit::WebPluginParams&);
virtual WebKit::WebMediaPlayer* createMediaPlayer(
WebKit::WebFrame*, WebKit::WebMediaPlayerClient*);
virtual void loadURLExternally(
WebKit::WebFrame*, const WebKit::WebURLRequest&,
WebKit::WebNavigationPolicy);
virtual WebKit::WebNavigationPolicy decidePolicyForNavigation(
WebKit::WebFrame*, const WebKit::WebURLRequest&,
WebKit::WebNavigationType, const WebKit::WebNode&,
WebKit::WebNavigationPolicy default_policy, bool isRedirect);
virtual bool canHandleRequest(
WebKit::WebFrame*, const WebKit::WebURLRequest&) { return true; }
virtual WebKit::WebURLError cannotHandleRequestError(
WebKit::WebFrame*, const WebKit::WebURLRequest& request);
virtual WebKit::WebURLError cancelledError(
WebKit::WebFrame*, const WebKit::WebURLRequest& request);
virtual void didCreateDataSource(
WebKit::WebFrame*, WebKit::WebDataSource*);
virtual void didStartProvisionalLoad(WebKit::WebFrame*);
virtual void didReceiveServerRedirectForProvisionalLoad(WebKit::WebFrame*);
virtual void didFailProvisionalLoad(
WebKit::WebFrame*, const WebKit::WebURLError&);
virtual void didCommitProvisionalLoad(
WebKit::WebFrame*, bool is_new_navigation);
virtual void didReceiveTitle(
WebKit::WebFrame*, const WebKit::WebString& title);
virtual void didFailLoad(
WebKit::WebFrame*, const WebKit::WebURLError&);
virtual void didFinishLoad(WebKit::WebFrame*);
virtual void didChangeLocationWithinPage(
WebKit::WebFrame*, bool isNewNavigation);
virtual void willSendRequest(
WebKit::WebFrame*, unsigned identifier, WebKit::WebURLRequest&,
const WebKit::WebURLResponse& redirectResponse);
// webkit_glue::WebPluginPageDelegate
virtual webkit_glue::WebPluginDelegate* CreatePluginDelegate(
const GURL& url,
const std::string& mime_type,
std::string* actual_mime_type);
virtual void CreatedPluginWindow(
gfx::PluginWindowHandle handle);
virtual void WillDestroyPluginWindow(
gfx::PluginWindowHandle handle);
virtual void DidMovePlugin(
const webkit_glue::WebPluginGeometry& move);
virtual void DidStartLoadingForPlugin() {}
virtual void DidStopLoadingForPlugin() {}
virtual void ShowModalHTMLDialogForPlugin(
const GURL& url,
const gfx::Size& size,
const std::string& json_arguments,
std::string* json_retval) {}
virtual WebKit::WebCookieJar* GetCookieJar();
BrowserWebViewDelegate(CefBrowserImpl* browser);
~BrowserWebViewDelegate();
void Reset();
void SetSmartInsertDeleteEnabled(bool enabled);
void SetSelectTrailingWhitespaceEnabled(bool enabled);
// Additional accessors
WebKit::WebFrame* top_loading_frame() { return top_loading_frame_; }
#if defined(OS_WIN)
IDropTarget* drop_delegate() { return drop_delegate_.get(); }
IDropSource* drag_delegate() { return drag_delegate_.get(); }
#endif
void set_pending_extra_data(BrowserExtraData* extra_data) {
pending_extra_data_.reset(extra_data);
}
// Methods for modifying WebPreferences
void SetUserStyleSheetEnabled(bool is_enabled);
void SetUserStyleSheetLocation(const GURL& location);
// Sets the webview as a drop target.
void RegisterDragDrop();
void RevokeDragDrop();
void ResetDragDrop();
void SetCustomPolicyDelegate(bool is_custom, bool is_permissive);
void WaitForPolicyDelegate();
void set_block_redirects(bool block_redirects) {
block_redirects_ = block_redirects;
}
bool block_redirects() const {
return block_redirects_;
}
void SetEditCommand(const std::string& name, const std::string& value) {
edit_command_name_ = name;
edit_command_value_ = value;
}
void ClearEditCommand() {
edit_command_name_.clear();
edit_command_value_.clear();
}
CefBrowserImpl* GetBrowser() { return browser_; }
protected:
// Called when the URL of the page changes.
void UpdateAddressBar(WebKit::WebView* webView);
// Default handling of JavaScript messages.
void ShowJavaScriptAlert(WebKit::WebFrame* webframe,
const std::wstring& message);
bool ShowJavaScriptConfirm(WebKit::WebFrame* webframe,
const std::wstring& message);
bool ShowJavaScriptPrompt(WebKit::WebFrame* webframe,
const std::wstring& message,
const std::wstring& default_value,
std::wstring* result);
// Called to show the file chooser dialog.
bool ShowFileChooser(std::vector<FilePath>& file_names,
const bool multi_select,
const WebKit::WebString& title,
const FilePath& default_file);
// In the Mac code, this is called to trigger the end of a test after the
// page has finished loading. From here, we can generate the dump for the
// test.
void LocationChangeDone(WebKit::WebFrame*);
WebWidgetHost* GetWidgetHost();
void UpdateForCommittedLoad(WebKit::WebFrame* webframe,
bool is_new_navigation);
void UpdateURL(WebKit::WebFrame* frame);
void UpdateSessionHistory(WebKit::WebFrame* frame);
private:
// Causes navigation actions just printout the intended navigation instead
// of taking you to the page. This is used for cases like mailto, where you
// don't actually want to open the mail program.
bool policy_delegate_enabled_;
// Toggles the behavior of the policy delegate. If true, then navigations
// will be allowed. Otherwise, they will be ignored (dropped).
bool policy_delegate_is_permissive_;
// If true, the policy delegate will signal layout test completion.
bool policy_delegate_should_notify_done_;
// Non-owning pointer. The delegate is owned by the host.
CefBrowserImpl* browser_;
// This is non-NULL IFF a load is in progress.
WebKit::WebFrame* top_loading_frame_;
// For tracking session history. See RenderView.
int page_id_;
int last_page_id_updated_;
scoped_ptr<BrowserExtraData> pending_extra_data_;
WebCursor current_cursor_;
#if defined(OS_WIN)
// Classes needed by drag and drop.
scoped_refptr<BrowserDragDelegate> drag_delegate_;
scoped_refptr<BrowserDropDelegate> drop_delegate_;
#endif
#if defined(OS_LINUX)
// The type of cursor the window is currently using.
// Used for judging whether a new SetCursor call is actually changing the
// cursor.
GdkCursorType cursor_type_;
#endif
// true if we want to enable smart insert/delete.
bool smart_insert_delete_enabled_;
// true if we want to enable selection of trailing whitespaces
bool select_trailing_whitespace_enabled_;
// true if we should block any redirects
bool block_redirects_;
// Edit command associated to the current keyboard event.
std::string edit_command_name_;
std::string edit_command_value_;
DISALLOW_COPY_AND_ASSIGN(BrowserWebViewDelegate);
};
#endif // _BROWSER_WEBVIEW_DELEGATE_H
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