2 * Copyright (C) 2006 Eric Seidel (eric@webkit.org)
3 * Copyright (C) 2008, 2009, 2010, 2011, 2012 Apple Inc. All rights reserved.
4 * Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies).
5 * Copyright (C) 2012 Samsung Electronics. All rights reserved.
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions
10 * 1. Redistributions of source code must retain the above copyright
11 * notice, this list of conditions and the following disclaimer.
12 * 2. Redistributions in binary form must reproduce the above copyright
13 * notice, this list of conditions and the following disclaimer in the
14 * documentation and/or other materials provided with the distribution.
16 * THIS SOFTWARE IS PROVIDED BY APPLE COMPUTER, INC. ``AS IS'' AND ANY
17 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
18 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
19 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE COMPUTER, INC. OR
20 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
21 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
22 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
23 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
24 * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
25 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
26 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
29 #ifndef EmptyClients_h
30 #define EmptyClients_h
32 #include "core/editing/UndoStep.h"
33 #include "core/inspector/InspectorClient.h"
34 #include "core/loader/FrameLoaderClient.h"
35 #include "core/page/BackForwardClient.h"
36 #include "core/page/ChromeClient.h"
37 #include "core/page/ContextMenuClient.h"
38 #include "core/page/DragClient.h"
39 #include "core/page/EditorClient.h"
40 #include "core/page/FocusType.h"
41 #include "core/page/Page.h"
42 #include "core/page/SpellCheckerClient.h"
43 #include "core/page/StorageClient.h"
44 #include "platform/DragImage.h"
45 #include "platform/geometry/FloatRect.h"
46 #include "platform/network/ResourceError.h"
47 #include "platform/text/TextCheckerClient.h"
48 #include "public/platform/WebScreenInfo.h"
49 #include "wtf/Forward.h"
53 This file holds empty Client stubs for use by WebCore.
54 Viewless element needs to create a dummy Page->LocalFrame->FrameView tree for use in parsing or executing JavaScript.
55 This tree depends heavily on Clients (usually provided by WebKit classes).
57 This file was first created for SVGImage as it had no way to access the current Page (nor should it,
58 since Images are not tied to a page).
59 See http://bugs.webkit.org/show_bug.cgi?id=5971 for the original discussion about this file.
61 Ideally, whenever you change a Client class, you should add a stub here.
62 Brittle, yes. Unfortunate, yes. Hopefully temporary.
67 class EmptyChromeClient : public ChromeClient {
68 WTF_MAKE_FAST_ALLOCATED;
70 virtual ~EmptyChromeClient() { }
71 virtual void chromeDestroyed() OVERRIDE { }
73 virtual void* webView() const OVERRIDE { return 0; }
74 virtual void setWindowRect(const FloatRect&) OVERRIDE { }
75 virtual FloatRect windowRect() OVERRIDE { return FloatRect(); }
77 virtual FloatRect pageRect() OVERRIDE { return FloatRect(); }
79 virtual void focus() OVERRIDE { }
81 virtual bool canTakeFocus(FocusType) OVERRIDE { return false; }
82 virtual void takeFocus(FocusType) OVERRIDE { }
84 virtual void focusedNodeChanged(Node*) OVERRIDE { }
85 virtual void focusedFrameChanged(LocalFrame*) OVERRIDE { }
86 virtual Page* createWindow(LocalFrame*, const FrameLoadRequest&, const WindowFeatures&, NavigationPolicy, ShouldSendReferrer) OVERRIDE { return 0; }
87 virtual void show(NavigationPolicy) OVERRIDE { }
89 virtual bool canRunModal() OVERRIDE { return false; }
90 virtual void runModal() OVERRIDE { }
92 virtual void setToolbarsVisible(bool) OVERRIDE { }
93 virtual bool toolbarsVisible() OVERRIDE { return false; }
95 virtual void setStatusbarVisible(bool) OVERRIDE { }
96 virtual bool statusbarVisible() OVERRIDE { return false; }
98 virtual void setScrollbarsVisible(bool) OVERRIDE { }
99 virtual bool scrollbarsVisible() OVERRIDE { return false; }
101 virtual void setMenubarVisible(bool) OVERRIDE { }
102 virtual bool menubarVisible() OVERRIDE { return false; }
104 virtual void setResizable(bool) OVERRIDE { }
106 virtual bool shouldReportDetailedMessageForSource(const String&) OVERRIDE { return false; }
107 virtual void addMessageToConsole(LocalFrame*, MessageSource, MessageLevel, const String&, unsigned, const String&, const String&) OVERRIDE { }
109 virtual bool canRunBeforeUnloadConfirmPanel() OVERRIDE { return false; }
110 virtual bool runBeforeUnloadConfirmPanel(const String&, LocalFrame*) OVERRIDE { return true; }
112 virtual void closeWindowSoon() OVERRIDE { }
114 virtual void runJavaScriptAlert(LocalFrame*, const String&) OVERRIDE { }
115 virtual bool runJavaScriptConfirm(LocalFrame*, const String&) OVERRIDE { return false; }
116 virtual bool runJavaScriptPrompt(LocalFrame*, const String&, const String&, String&) OVERRIDE { return false; }
118 virtual bool hasOpenedPopup() const OVERRIDE { return false; }
119 virtual PassRefPtr<PopupMenu> createPopupMenu(LocalFrame&, PopupMenuClient*) const OVERRIDE;
120 virtual void setPagePopupDriver(PagePopupDriver*) OVERRIDE { }
121 virtual void resetPagePopupDriver() OVERRIDE { }
123 virtual void setStatusbarText(const String&) OVERRIDE { }
125 virtual bool tabsToLinks() OVERRIDE { return false; }
127 virtual IntRect windowResizerRect() const OVERRIDE { return IntRect(); }
129 virtual void invalidateContentsAndRootView(const IntRect&) OVERRIDE { }
130 virtual void invalidateContentsForSlowScroll(const IntRect&) OVERRIDE { }
131 virtual void scroll(const IntSize&, const IntRect&, const IntRect&) OVERRIDE { }
132 virtual void scheduleAnimation() OVERRIDE { }
134 virtual IntRect rootViewToScreen(const IntRect& r) const OVERRIDE { return r; }
135 virtual blink::WebScreenInfo screenInfo() const OVERRIDE { return blink::WebScreenInfo(); }
136 virtual void contentsSizeChanged(LocalFrame*, const IntSize&) const OVERRIDE { }
138 virtual void mouseDidMoveOverElement(const HitTestResult&, unsigned) OVERRIDE { }
140 virtual void setToolTip(const String&, TextDirection) OVERRIDE { }
142 virtual void print(LocalFrame*) OVERRIDE { }
144 virtual void enumerateChosenDirectory(FileChooser*) OVERRIDE { }
146 virtual PassOwnPtr<ColorChooser> createColorChooser(LocalFrame*, ColorChooserClient*, const Color&) OVERRIDE;
147 virtual PassRefPtrWillBeRawPtr<DateTimeChooser> openDateTimeChooser(DateTimeChooserClient*, const DateTimeChooserParameters&) OVERRIDE;
148 virtual void openTextDataListChooser(HTMLInputElement&) OVERRIDE;
150 virtual void runOpenPanel(LocalFrame*, PassRefPtr<FileChooser>) OVERRIDE;
152 virtual void setCursor(const Cursor&) OVERRIDE { }
154 virtual void attachRootGraphicsLayer(GraphicsLayer*) OVERRIDE { }
156 virtual void needTouchEvents(bool) OVERRIDE { }
157 virtual void setTouchAction(TouchAction touchAction) OVERRIDE { };
159 virtual void didAssociateFormControls(const WillBeHeapVector<RefPtrWillBeMember<Element> >&) OVERRIDE { }
161 virtual void annotatedRegionsChanged() OVERRIDE { }
162 virtual bool paintCustomOverhangArea(GraphicsContext*, const IntRect&, const IntRect&, const IntRect&) OVERRIDE { return false; }
163 virtual String acceptLanguages() OVERRIDE;
165 virtual bool usesGpuRasterization() OVERRIDE { return false; }
169 class EmptyFrameLoaderClient FINAL : public FrameLoaderClient {
170 WTF_MAKE_NONCOPYABLE(EmptyFrameLoaderClient); WTF_MAKE_FAST_ALLOCATED;
172 EmptyFrameLoaderClient() { }
173 virtual ~EmptyFrameLoaderClient() { }
175 virtual bool hasWebView() const OVERRIDE { return true; } // mainly for assertions
177 virtual Frame* opener() const OVERRIDE { return 0; }
178 virtual void setOpener(Frame*) OVERRIDE { }
180 virtual Frame* parent() const OVERRIDE { return 0; }
181 virtual Frame* top() const OVERRIDE { return 0; }
182 virtual Frame* previousSibling() const OVERRIDE { return 0; }
183 virtual Frame* nextSibling() const OVERRIDE { return 0; }
184 virtual Frame* firstChild() const OVERRIDE { return 0; }
185 virtual Frame* lastChild() const OVERRIDE { return 0; }
186 virtual void detachedFromParent() OVERRIDE { }
188 virtual void dispatchWillSendRequest(DocumentLoader*, unsigned long, ResourceRequest&, const ResourceResponse&) OVERRIDE { }
189 virtual void dispatchDidReceiveResponse(DocumentLoader*, unsigned long, const ResourceResponse&) OVERRIDE { }
190 virtual void dispatchDidFinishLoading(DocumentLoader*, unsigned long) OVERRIDE { }
191 virtual void dispatchDidLoadResourceFromMemoryCache(const ResourceRequest&, const ResourceResponse&) OVERRIDE { }
193 virtual void dispatchDidHandleOnloadEvents() OVERRIDE { }
194 virtual void dispatchDidReceiveServerRedirectForProvisionalLoad() OVERRIDE { }
195 virtual void dispatchWillClose() OVERRIDE { }
196 virtual void dispatchDidStartProvisionalLoad() OVERRIDE { }
197 virtual void dispatchDidReceiveTitle(const String&) OVERRIDE { }
198 virtual void dispatchDidChangeIcons(IconType) OVERRIDE { }
199 virtual void dispatchDidCommitLoad(LocalFrame*, HistoryItem*, HistoryCommitType) OVERRIDE { }
200 virtual void dispatchDidFailProvisionalLoad(const ResourceError&) OVERRIDE { }
201 virtual void dispatchDidFailLoad(const ResourceError&) OVERRIDE { }
202 virtual void dispatchDidFinishDocumentLoad() OVERRIDE { }
203 virtual void dispatchDidFinishLoad() OVERRIDE { }
204 virtual void dispatchDidFirstVisuallyNonEmptyLayout() OVERRIDE { }
205 virtual void dispatchDidChangeBrandColor() OVERRIDE { };
207 virtual NavigationPolicy decidePolicyForNavigation(const ResourceRequest&, DocumentLoader*, NavigationPolicy) OVERRIDE;
209 virtual void dispatchWillSendSubmitEvent(HTMLFormElement*) OVERRIDE;
210 virtual void dispatchWillSubmitForm(HTMLFormElement*) OVERRIDE;
212 virtual void didStartLoading(LoadStartType) OVERRIDE { }
213 virtual void progressEstimateChanged(double) OVERRIDE { }
214 virtual void didStopLoading() OVERRIDE { }
216 virtual void loadURLExternally(const ResourceRequest&, NavigationPolicy, const String& = String()) OVERRIDE { }
218 virtual PassRefPtr<DocumentLoader> createDocumentLoader(LocalFrame*, const ResourceRequest&, const SubstituteData&) OVERRIDE;
220 virtual String userAgent(const KURL&) OVERRIDE { return ""; }
222 virtual String doNotTrackValue() OVERRIDE { return String(); }
224 virtual void transitionToCommittedForNewPage() OVERRIDE { }
226 virtual bool navigateBackForward(int offset) const OVERRIDE { return false; }
227 virtual void didDisplayInsecureContent() OVERRIDE { }
228 virtual void didRunInsecureContent(SecurityOrigin*, const KURL&) OVERRIDE { }
229 virtual void didDetectXSS(const KURL&, bool) OVERRIDE { }
230 virtual void didDispatchPingLoader(const KURL&) OVERRIDE { }
231 virtual void selectorMatchChanged(const Vector<String>&, const Vector<String>&) OVERRIDE { }
232 virtual PassRefPtr<LocalFrame> createFrame(const KURL&, const AtomicString&, const Referrer&, HTMLFrameOwnerElement*) OVERRIDE;
233 virtual PassRefPtr<Widget> createPlugin(HTMLPlugInElement*, const KURL&, const Vector<String>&, const Vector<String>&, const String&, bool, DetachedPluginPolicy) OVERRIDE;
234 virtual bool canCreatePluginWithoutRenderer(const String& mimeType) const OVERRIDE { return false; }
235 virtual PassRefPtr<Widget> createJavaAppletWidget(HTMLAppletElement*, const KURL&, const Vector<String>&, const Vector<String>&) OVERRIDE;
237 virtual ObjectContentType objectContentType(const KURL&, const String&, bool) OVERRIDE { return ObjectContentType(); }
239 virtual void dispatchDidClearWindowObjectInMainWorld() OVERRIDE { }
240 virtual void documentElementAvailable() OVERRIDE { }
242 virtual void didCreateScriptContext(v8::Handle<v8::Context>, int extensionGroup, int worldId) OVERRIDE { }
243 virtual void willReleaseScriptContext(v8::Handle<v8::Context>, int worldId) OVERRIDE { }
244 virtual bool allowScriptExtension(const String& extensionName, int extensionGroup, int worldId) OVERRIDE { return false; }
246 virtual blink::WebCookieJar* cookieJar() const OVERRIDE { return 0; }
248 virtual void didRequestAutocomplete(HTMLFormElement*) OVERRIDE;
250 virtual PassOwnPtr<blink::WebServiceWorkerProvider> createServiceWorkerProvider() OVERRIDE;
251 virtual PassOwnPtr<blink::WebApplicationCacheHost> createApplicationCacheHost(blink::WebApplicationCacheHostClient*) OVERRIDE;
254 class EmptyTextCheckerClient FINAL : public TextCheckerClient {
256 virtual bool shouldEraseMarkersAfterChangeSelection(TextCheckingType) const OVERRIDE { return true; }
257 virtual void checkSpellingOfString(const String&, int*, int*) OVERRIDE { }
258 virtual String getAutoCorrectSuggestionForMisspelledWord(const String&) OVERRIDE { return String(); }
259 virtual void checkGrammarOfString(const String&, Vector<GrammarDetail>&, int*, int*) OVERRIDE { }
260 virtual void requestCheckingOfString(PassRefPtr<TextCheckingRequest>) OVERRIDE;
263 class EmptySpellCheckerClient FINAL : public SpellCheckerClient {
264 WTF_MAKE_NONCOPYABLE(EmptySpellCheckerClient); WTF_MAKE_FAST_ALLOCATED;
266 EmptySpellCheckerClient() { }
267 virtual ~EmptySpellCheckerClient() { }
269 virtual bool isContinuousSpellCheckingEnabled() OVERRIDE { return false; }
270 virtual void toggleContinuousSpellChecking() OVERRIDE { }
271 virtual bool isGrammarCheckingEnabled() OVERRIDE { return false; }
273 virtual TextCheckerClient& textChecker() OVERRIDE { return m_textCheckerClient; }
275 virtual void updateSpellingUIWithMisspelledWord(const String&) OVERRIDE { }
276 virtual void showSpellingUI(bool) OVERRIDE { }
277 virtual bool spellingUIIsShowing() OVERRIDE { return false; }
280 EmptyTextCheckerClient m_textCheckerClient;
283 class EmptyEditorClient FINAL : public EditorClient {
284 WTF_MAKE_NONCOPYABLE(EmptyEditorClient); WTF_MAKE_FAST_ALLOCATED;
286 EmptyEditorClient() { }
287 virtual ~EmptyEditorClient() { }
289 virtual void respondToChangedContents() OVERRIDE { }
290 virtual void respondToChangedSelection(LocalFrame*, SelectionType) OVERRIDE { }
292 virtual bool canCopyCut(LocalFrame*, bool defaultValue) const OVERRIDE { return defaultValue; }
293 virtual bool canPaste(LocalFrame*, bool defaultValue) const OVERRIDE { return defaultValue; }
295 virtual bool handleKeyboardEvent() OVERRIDE { return false; }
298 class EmptyContextMenuClient FINAL : public ContextMenuClient {
299 WTF_MAKE_NONCOPYABLE(EmptyContextMenuClient); WTF_MAKE_FAST_ALLOCATED;
301 EmptyContextMenuClient() { }
302 virtual ~EmptyContextMenuClient() { }
303 virtual void showContextMenu(const ContextMenu*) OVERRIDE { }
304 virtual void clearContextMenu() OVERRIDE { }
307 class EmptyDragClient FINAL : public DragClient {
308 WTF_MAKE_NONCOPYABLE(EmptyDragClient); WTF_MAKE_FAST_ALLOCATED;
310 EmptyDragClient() { }
311 virtual ~EmptyDragClient() {}
312 virtual DragDestinationAction actionMaskForDrag(DragData*) OVERRIDE { return DragDestinationActionNone; }
313 virtual void startDrag(DragImage*, const IntPoint&, const IntPoint&, Clipboard*, LocalFrame*, bool) OVERRIDE { }
316 class EmptyInspectorClient FINAL : public InspectorClient {
317 WTF_MAKE_NONCOPYABLE(EmptyInspectorClient); WTF_MAKE_FAST_ALLOCATED;
319 EmptyInspectorClient() { }
320 virtual ~EmptyInspectorClient() { }
322 virtual void highlight() OVERRIDE { }
323 virtual void hideHighlight() OVERRIDE { }
326 class EmptyBackForwardClient FINAL : public BackForwardClient {
328 virtual int backListCount() OVERRIDE { return 0; }
329 virtual int forwardListCount() OVERRIDE { return 0; }
330 virtual int backForwardListCount() OVERRIDE { return 0; }
333 class EmptyStorageClient FINAL : public StorageClient {
335 virtual PassOwnPtr<StorageNamespace> createSessionStorageNamespace() OVERRIDE;
336 virtual bool canAccessStorage(LocalFrame*, StorageType) const OVERRIDE { return false; }
339 void fillWithEmptyClients(Page::PageClients&);
343 #endif // EmptyClients_h