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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 <map>
#include "base/basictypes.h"
#include "base/memory/scoped_ptr.h"
#include "base/memory/weak_ptr.h"
#include "build/build_config.h"
#include "third_party/WebKit/Source/WebKit/chromium/public/WebContextMenuData.h"
#include "third_party/WebKit/Source/WebKit/chromium/public/WebFileChooserParams.h"
#include "third_party/WebKit/Source/WebKit/chromium/public/WebFileSystem.h"
#include "third_party/WebKit/Source/WebKit/chromium/public/WebFrameClient.h"
#include "third_party/WebKit/Source/WebKit/chromium/public/WebRect.h"
#include "third_party/WebKit/Source/WebKit/chromium/public/WebViewClient.h"
#include "webkit/glue/webcursor.h"
#include "webkit/plugins/npapi/webplugin_page_delegate.h"
#include "browser_navigation_controller.h"
#if defined(OS_MACOSX)
#include "third_party/WebKit/Source/WebKit/chromium/public/WebPopupMenuInfo.h"
#include "external_popup_menu_mac.h"
#endif
#if defined(OS_WIN)
class BrowserDragDelegate;
class WebDropTarget;
#endif
#if defined(TOOLKIT_USES_GTK)
#include <gdk/gdkcursor.h>
#endif
class CefBrowserImpl;
class GURL;
class WebWidgetHost;
class FilePath;
class BrowserWebViewDelegate : public WebKit::WebViewClient,
public WebKit::WebFrameClient,
public webkit::npapi::WebPluginPageDelegate,
public base::SupportsWeakPtr<BrowserWebViewDelegate> {
public:
// WebKit::WebViewClient
virtual WebKit::WebView* createView(
WebKit::WebFrame* creator, const WebKit::WebURLRequest& request,
const WebKit::WebWindowFeatures& features, const WebKit::WebString& name)
OVERRIDE;
virtual WebKit::WebWidget* createPopupMenu(WebKit::WebPopupType popup_type)
OVERRIDE;
virtual WebKit::WebExternalPopupMenu* createExternalPopupMenu(
const WebKit::WebPopupMenuInfo& info,
WebKit::WebExternalPopupMenuClient* client) OVERRIDE;
virtual WebKit::WebStorageNamespace* createSessionStorageNamespace(
unsigned quota) OVERRIDE;
virtual void didAddMessageToConsole(
const WebKit::WebConsoleMessage& message,
const WebKit::WebString& source_name, unsigned source_line) OVERRIDE;
virtual void printPage(WebKit::WebFrame* frame) OVERRIDE;
virtual bool shouldBeginEditing(const WebKit::WebRange& range) OVERRIDE;
virtual bool shouldEndEditing(const WebKit::WebRange& range) OVERRIDE;
virtual bool shouldInsertNode(
const WebKit::WebNode& node, const WebKit::WebRange& range,
WebKit::WebEditingAction action) OVERRIDE;
virtual bool shouldInsertText(
const WebKit::WebString& text, const WebKit::WebRange& range,
WebKit::WebEditingAction action) OVERRIDE;
virtual bool shouldChangeSelectedRange(
const WebKit::WebRange& from, const WebKit::WebRange& to,
WebKit::WebTextAffinity affinity, bool still_selecting) OVERRIDE;
virtual bool shouldDeleteRange(const WebKit::WebRange& range) OVERRIDE;
virtual bool shouldApplyStyle(
const WebKit::WebString& style, const WebKit::WebRange& range) OVERRIDE;
virtual bool isSmartInsertDeleteEnabled() OVERRIDE;
virtual bool isSelectTrailingWhitespaceEnabled() OVERRIDE;
virtual bool handleCurrentKeyboardEvent() OVERRIDE;
virtual bool runFileChooser(
const WebKit::WebFileChooserParams& params,
WebKit::WebFileChooserCompletion* chooser_completion) OVERRIDE;
virtual void runModalAlertDialog(
WebKit::WebFrame* frame, const WebKit::WebString& message) OVERRIDE;
virtual bool runModalConfirmDialog(
WebKit::WebFrame* frame, const WebKit::WebString& message) OVERRIDE;
virtual bool runModalPromptDialog(
WebKit::WebFrame* frame, const WebKit::WebString& message,
const WebKit::WebString& default_value, WebKit::WebString* actual_value)
OVERRIDE;
virtual bool runModalBeforeUnloadDialog(
WebKit::WebFrame* frame, const WebKit::WebString& message) OVERRIDE;
virtual void showContextMenu(
WebKit::WebFrame* frame, const WebKit::WebContextMenuData& data) OVERRIDE;
virtual void setStatusText(const WebKit::WebString& text) OVERRIDE;
virtual void setMouseOverURL(const WebKit::WebURL& url) OVERRIDE;
virtual void setKeyboardFocusURL(const WebKit::WebURL& url) OVERRIDE;
virtual void setToolTipText(
const WebKit::WebString& text, WebKit::WebTextDirection hint) OVERRIDE;
virtual void startDragging(
const WebKit::WebDragData& data,
WebKit::WebDragOperationsMask mask,
const WebKit::WebImage& image,
const WebKit::WebPoint& image_offset) OVERRIDE;
virtual bool acceptsLoadDrops() OVERRIDE;
virtual void focusNext() OVERRIDE;
virtual void focusPrevious() OVERRIDE;
virtual void focusedNodeChanged(const WebKit::WebNode& node) OVERRIDE;
virtual void navigateBackForwardSoon(int offset) OVERRIDE;
virtual int historyBackListCount() OVERRIDE;
virtual int historyForwardListCount() OVERRIDE;
// WebKit::WebWidgetClient
virtual void didInvalidateRect(const WebKit::WebRect& rect) OVERRIDE;
virtual void didScrollRect(int dx, int dy,
const WebKit::WebRect& clip_rect) OVERRIDE;
virtual void scheduleComposite() OVERRIDE;
virtual void scheduleAnimation() OVERRIDE;
virtual void didFocus() OVERRIDE;
virtual void didBlur() OVERRIDE;
virtual void didChangeCursor(const WebKit::WebCursorInfo& cursor) OVERRIDE;
virtual void closeWidgetSoon() OVERRIDE;
virtual void show(WebKit::WebNavigationPolicy policy) OVERRIDE;
virtual void runModal() OVERRIDE;
virtual WebKit::WebRect windowRect() OVERRIDE;
virtual void setWindowRect(const WebKit::WebRect& rect) OVERRIDE;
virtual WebKit::WebRect rootWindowRect() OVERRIDE;
virtual WebKit::WebRect windowResizerRect() OVERRIDE;
virtual WebKit::WebScreenInfo screenInfo() OVERRIDE;
// WebKit::WebFrameClient
virtual WebKit::WebPlugin* createPlugin(
WebKit::WebFrame*, const WebKit::WebPluginParams&) OVERRIDE;
virtual WebKit::WebMediaPlayer* createMediaPlayer(
WebKit::WebFrame*, WebKit::WebMediaPlayerClient*) OVERRIDE;
virtual WebKit::WebApplicationCacheHost* createApplicationCacheHost(
WebKit::WebFrame* frame, WebKit::WebApplicationCacheHostClient* client)
OVERRIDE;
virtual void willClose(WebKit::WebFrame*) OVERRIDE;
virtual void loadURLExternally(
WebKit::WebFrame*, const WebKit::WebURLRequest&,
WebKit::WebNavigationPolicy) OVERRIDE;
virtual WebKit::WebNavigationPolicy decidePolicyForNavigation(
WebKit::WebFrame*, const WebKit::WebURLRequest&,
WebKit::WebNavigationType, const WebKit::WebNode&,
WebKit::WebNavigationPolicy default_policy, bool isRedirect) OVERRIDE;
virtual bool canHandleRequest(
WebKit::WebFrame*, const WebKit::WebURLRequest&) OVERRIDE { return true; }
virtual WebKit::WebURLError cannotHandleRequestError(
WebKit::WebFrame*, const WebKit::WebURLRequest& request) OVERRIDE;
virtual WebKit::WebURLError cancelledError(
WebKit::WebFrame*, const WebKit::WebURLRequest& request) OVERRIDE;
virtual void didCreateDataSource(
WebKit::WebFrame*, WebKit::WebDataSource*) OVERRIDE;
virtual void didStartProvisionalLoad(WebKit::WebFrame*) OVERRIDE;
virtual void didReceiveServerRedirectForProvisionalLoad(WebKit::WebFrame*)
OVERRIDE;
virtual void didFailProvisionalLoad(
WebKit::WebFrame*, const WebKit::WebURLError&) OVERRIDE;
virtual void didCommitProvisionalLoad(
WebKit::WebFrame*, bool is_new_navigation) OVERRIDE;
virtual void didCreateScriptContext(
WebKit::WebFrame*, v8::Handle<v8::Context>, int worldId) OVERRIDE;
virtual void willReleaseScriptContext(
WebKit::WebFrame*, v8::Handle<v8::Context>, int worldId) OVERRIDE;
virtual void didReceiveTitle(
WebKit::WebFrame*, const WebKit::WebString& title,
WebKit::WebTextDirection direction) OVERRIDE;
virtual void didFailLoad(
WebKit::WebFrame*, const WebKit::WebURLError&) OVERRIDE;
virtual void didFinishLoad(WebKit::WebFrame*) OVERRIDE;
virtual void didNavigateWithinPage(
WebKit::WebFrame*, bool isNewNavigation) OVERRIDE;
virtual void willSendRequest(
WebKit::WebFrame*, unsigned identifier, WebKit::WebURLRequest&,
const WebKit::WebURLResponse& redirectResponse) OVERRIDE;
virtual void didChangeContentsSize(
WebKit::WebFrame*, const WebKit::WebSize&) OVERRIDE;
virtual void reportFindInPageMatchCount(
int request_id, int count, bool final_update) OVERRIDE;
virtual void reportFindInPageSelection(
int request_id, int active_match_ordinal, const WebKit::WebRect& sel)
OVERRIDE;
virtual void openFileSystem(
WebKit::WebFrame* frame,
WebKit::WebFileSystem::Type type,
long long size,
bool create,
WebKit::WebFileSystemCallbacks* callbacks) OVERRIDE;
// webkit_glue::WebPluginPageDelegate
virtual webkit::npapi::WebPluginDelegate* CreatePluginDelegate(
const FilePath& file_path,
const std::string& mime_type) OVERRIDE;
virtual void CreatedPluginWindow(
gfx::PluginWindowHandle handle) OVERRIDE;
virtual void WillDestroyPluginWindow(
gfx::PluginWindowHandle handle) OVERRIDE;
virtual void DidMovePlugin(
const webkit::npapi::WebPluginGeometry& move) OVERRIDE;
virtual void DidStartLoadingForPlugin() OVERRIDE {}
virtual void DidStopLoadingForPlugin() OVERRIDE {}
virtual WebKit::WebCookieJar* GetCookieJar() OVERRIDE;
explicit BrowserWebViewDelegate(CefBrowserImpl* browser);
virtual ~BrowserWebViewDelegate();
void Reset();
void SetSmartInsertDeleteEnabled(bool enabled);
void SetSelectTrailingWhitespaceEnabled(bool enabled);
// Additional accessors
#if defined(OS_WIN)
// Sets the webview as a drop target.
void RegisterDragDrop();
void RevokeDragDrop();
// Called after dragging has finished.
void EndDragging();
BrowserDragDelegate* drag_delegate() { return drag_delegate_.get(); }
WebDropTarget* drop_target() { return drop_target_.get(); }
#endif
void set_pending_extra_data(BrowserExtraData* extra_data) {
pending_extra_data_.reset(extra_data);
}
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_; }
#if defined(OS_MACOSX)
// Called after the external popup menu has been dismissed.
void ClosePopupMenu();
#endif
#ifdef OS_LINUX
void HandleContextMenu(int selected_id);
#endif
bool OnKeyboardEvent(const WebKit::WebKeyboardEvent& event,
bool isAfterJavaScript);
protected:
// Default handling of JavaScript messages.
void ShowJavaScriptAlert(WebKit::WebFrame* webframe,
const CefString& message);
bool ShowJavaScriptConfirm(WebKit::WebFrame* webframe,
const CefString& message);
bool ShowJavaScriptPrompt(WebKit::WebFrame* webframe,
const CefString& message,
const CefString& default_value,
CefString* 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);
// Called to show status messages.
void ShowStatus(const WebKit::WebString& text, cef_handler_statustype_t type);
// 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);
bool OnBeforeMenu(const WebKit::WebContextMenuData& data,
int mouse_x,
int mouse_y,
int& edit_flags,
int& type_flags);
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_;
// 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<WebDropTarget> drop_target_;
#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
#if defined(OS_MACOSX)
// The external popup menu for the currently showing select popup.
scoped_ptr<ExternalPopupMenu> external_popup_menu_;
#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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