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32 #include "web/ContextMenuClientImpl.h"
34 #include "bindings/core/v8/ExceptionStatePlaceholder.h"
35 #include "core/CSSPropertyNames.h"
36 #include "core/HTMLNames.h"
37 #include "core/InputTypeNames.h"
38 #include "core/css/CSSStyleDeclaration.h"
39 #include "core/dom/Document.h"
40 #include "core/dom/DocumentMarkerController.h"
41 #include "core/editing/Editor.h"
42 #include "core/editing/SpellChecker.h"
43 #include "core/frame/FrameHost.h"
44 #include "core/frame/FrameView.h"
45 #include "core/frame/PinchViewport.h"
46 #include "core/frame/Settings.h"
47 #include "core/html/HTMLAnchorElement.h"
48 #include "core/html/HTMLFormElement.h"
49 #include "core/html/HTMLInputElement.h"
50 #include "core/html/HTMLMediaElement.h"
51 #include "core/html/HTMLPlugInElement.h"
52 #include "core/html/MediaError.h"
53 #include "core/loader/DocumentLoader.h"
54 #include "core/loader/FrameLoader.h"
55 #include "core/loader/HistoryItem.h"
56 #include "core/page/ContextMenuController.h"
57 #include "core/page/EventHandler.h"
58 #include "core/page/Page.h"
59 #include "core/rendering/HitTestResult.h"
60 #include "core/rendering/RenderPart.h"
61 #include "platform/ContextMenu.h"
62 #include "platform/Widget.h"
63 #include "platform/text/TextBreakIterator.h"
64 #include "platform/weborigin/KURL.h"
65 #include "public/platform/WebPoint.h"
66 #include "public/platform/WebString.h"
67 #include "public/platform/WebURL.h"
68 #include "public/platform/WebURLResponse.h"
69 #include "public/platform/WebVector.h"
70 #include "public/web/WebContextMenuData.h"
71 #include "public/web/WebFormElement.h"
72 #include "public/web/WebFrameClient.h"
73 #include "public/web/WebMenuItemInfo.h"
74 #include "public/web/WebPlugin.h"
75 #include "public/web/WebSearchableFormData.h"
76 #include "public/web/WebSpellCheckClient.h"
77 #include "public/web/WebViewClient.h"
78 #include "web/WebDataSourceImpl.h"
79 #include "web/WebLocalFrameImpl.h"
80 #include "web/WebPluginContainerImpl.h"
81 #include "web/WebViewImpl.h"
82 #include "wtf/text/WTFString.h"
86 // Figure out the URL of a page or subframe. Returns |page_type| as the type,
87 // which indicates page or subframe, or ContextNodeType::NONE if the URL could not
88 // be determined for some reason.
89 static WebURL urlFromFrame(LocalFrame* frame)
92 DocumentLoader* dl = frame->loader().documentLoader();
94 WebDataSource* ds = WebDataSourceImpl::fromDocumentLoader(dl);
96 return ds->hasUnreachableURL() ? ds->unreachableURL() : ds->request().url();
102 // Helper function to determine whether text is a single word.
103 static bool isASingleWord(const String& text)
105 TextBreakIterator* it = wordBreakIterator(text, 0, text.length());
106 return it && it->next() == static_cast<int>(text.length());
109 // Helper function to get misspelled word on which context menu
110 // is to be invoked. This function also sets the word on which context menu
111 // has been invoked to be the selected word, as required. This function changes
112 // the selection only when there were no selected characters on OS X.
113 static String selectMisspelledWord(LocalFrame* selectedFrame)
115 // First select from selectedText to check for multiple word selection.
116 String misspelledWord = selectedFrame->selectedText().stripWhiteSpace();
118 // If some texts were already selected, we don't change the selection.
119 if (!misspelledWord.isEmpty()) {
120 // Don't provide suggestions for multiple words.
121 if (!isASingleWord(misspelledWord))
123 return misspelledWord;
126 // Selection is empty, so change the selection to the word under the cursor.
127 HitTestResult hitTestResult = selectedFrame->eventHandler().
128 hitTestResultAtPoint(selectedFrame->page()->contextMenuController().hitTestResult().pointInInnerNodeFrame());
129 Node* innerNode = hitTestResult.innerNode();
130 VisiblePosition pos(innerNode->renderer()->positionForPoint(
131 hitTestResult.localPoint()));
134 return misspelledWord; // It is empty.
136 WebLocalFrameImpl::selectWordAroundPosition(selectedFrame, pos);
137 misspelledWord = selectedFrame->selectedText().stripWhiteSpace();
140 // If misspelled word is still empty, then that portion should not be
141 // selected. Set the selection to that position only, and do not expand.
142 if (misspelledWord.isEmpty())
143 selectedFrame->selection().setSelection(VisibleSelection(pos));
145 // On non-Mac, right-click should not make a range selection in any case.
146 selectedFrame->selection().setSelection(VisibleSelection(pos));
148 return misspelledWord;
151 static bool IsWhiteSpaceOrPunctuation(UChar c)
153 return isSpaceOrNewline(c) || WTF::Unicode::isPunct(c);
156 static String selectMisspellingAsync(LocalFrame* selectedFrame, String& description, uint32_t& hash)
158 VisibleSelection selection = selectedFrame->selection().selection();
159 if (!selection.isCaretOrRange())
162 // Caret and range selections always return valid normalized ranges.
163 RefPtrWillBeRawPtr<Range> selectionRange = selection.toNormalizedRange();
164 DocumentMarkerVector markers = selectedFrame->document()->markers().markersInRange(selectionRange.get(), DocumentMarker::MisspellingMarkers());
165 if (markers.size() != 1)
167 description = markers[0]->description();
168 hash = markers[0]->hash();
170 // Cloning a range fails only for invalid ranges.
171 RefPtrWillBeRawPtr<Range> markerRange = selectionRange->cloneRange();
172 markerRange->setStart(markerRange->startContainer(), markers[0]->startOffset());
173 markerRange->setEnd(markerRange->endContainer(), markers[0]->endOffset());
175 if (markerRange->text().stripWhiteSpace(&IsWhiteSpaceOrPunctuation) != selectionRange->text().stripWhiteSpace(&IsWhiteSpaceOrPunctuation))
178 return markerRange->text();
181 void ContextMenuClientImpl::showContextMenu(const ContextMenu* defaultMenu)
183 // Displaying the context menu in this function is a big hack as we don't
184 // have context, i.e. whether this is being invoked via a script or in
185 // response to user input (Mouse event WM_RBUTTONDOWN,
186 // Keyboard events KeyVK_APPS, Shift+F10). Check if this is being invoked
187 // in response to the above input events before popping up the context menu.
188 if (!m_webView->contextMenuAllowed())
191 HitTestResult r = m_webView->page()->contextMenuController().hitTestResult();
193 r.setToShadowHostIfInUserAgentShadowRoot();
195 LocalFrame* selectedFrame = r.innerNodeFrame();
197 WebContextMenuData data;
198 IntPoint mousePoint = selectedFrame->view()->contentsToWindow(r.roundedPointInInnerNodeFrame());
200 // FIXME(bokan): crbug.com/371902 - We shouldn't be making these scale
201 // related coordinate transformatios in an ad hoc way.
202 PinchViewport& pinchViewport = selectedFrame->host()->pinchViewport();
203 mousePoint -= flooredIntSize(pinchViewport.visibleRect().location());
204 mousePoint.scale(m_webView->pageScaleFactor(), m_webView->pageScaleFactor());
205 data.mousePosition = mousePoint;
207 // Compute edit flags.
208 data.editFlags = WebContextMenuData::CanDoNone;
209 if (toLocalFrame(m_webView->focusedCoreFrame())->editor().canUndo())
210 data.editFlags |= WebContextMenuData::CanUndo;
211 if (toLocalFrame(m_webView->focusedCoreFrame())->editor().canRedo())
212 data.editFlags |= WebContextMenuData::CanRedo;
213 if (toLocalFrame(m_webView->focusedCoreFrame())->editor().canCut())
214 data.editFlags |= WebContextMenuData::CanCut;
215 if (toLocalFrame(m_webView->focusedCoreFrame())->editor().canCopy())
216 data.editFlags |= WebContextMenuData::CanCopy;
217 if (toLocalFrame(m_webView->focusedCoreFrame())->editor().canPaste())
218 data.editFlags |= WebContextMenuData::CanPaste;
219 if (toLocalFrame(m_webView->focusedCoreFrame())->editor().canDelete())
220 data.editFlags |= WebContextMenuData::CanDelete;
221 if (isHTMLTextFormControlElement(r.innerNonSharedNode())) {
222 if (!toHTMLTextFormControlElement(r.innerNonSharedNode())->value().isEmpty())
223 data.editFlags |= WebContextMenuData::CanSelectAll;
225 data.editFlags |= WebContextMenuData::CanTranslate;
227 // Links, Images, Media tags, and Image/Media-Links take preference over
229 data.linkURL = r.absoluteLinkURL();
231 if (isHTMLCanvasElement(r.innerNonSharedNode())) {
232 data.mediaType = WebContextMenuData::MediaTypeCanvas;
233 data.hasImageContents = true;
234 } else if (!r.absoluteImageURL().isEmpty()) {
235 data.srcURL = r.absoluteImageURL();
236 data.mediaType = WebContextMenuData::MediaTypeImage;
237 data.mediaFlags |= WebContextMenuData::MediaCanPrint;
239 // An image can be null for many reasons, like being blocked, no image
240 // data received from server yet.
241 data.hasImageContents = r.image() && !r.image()->isNull();
242 } else if (!r.absoluteMediaURL().isEmpty()) {
243 data.srcURL = r.absoluteMediaURL();
245 // We know that if absoluteMediaURL() is not empty, then this
246 // is a media element.
247 HTMLMediaElement* mediaElement = toHTMLMediaElement(r.innerNonSharedNode());
248 if (isHTMLVideoElement(*mediaElement))
249 data.mediaType = WebContextMenuData::MediaTypeVideo;
250 else if (isHTMLAudioElement(*mediaElement))
251 data.mediaType = WebContextMenuData::MediaTypeAudio;
253 if (mediaElement->error())
254 data.mediaFlags |= WebContextMenuData::MediaInError;
255 if (mediaElement->paused())
256 data.mediaFlags |= WebContextMenuData::MediaPaused;
257 if (mediaElement->muted())
258 data.mediaFlags |= WebContextMenuData::MediaMuted;
259 if (mediaElement->loop())
260 data.mediaFlags |= WebContextMenuData::MediaLoop;
261 if (mediaElement->supportsSave())
262 data.mediaFlags |= WebContextMenuData::MediaCanSave;
263 if (mediaElement->hasAudio())
264 data.mediaFlags |= WebContextMenuData::MediaHasAudio;
265 // Media controls can be toggled only for video player. If we toggle
266 // controls for audio then the player disappears, and there is no way to
267 // return it back. Don't set this bit for fullscreen video, since
268 // toggling is ignored in that case.
269 if (mediaElement->hasVideo() && !mediaElement->isFullscreen())
270 data.mediaFlags |= WebContextMenuData::MediaCanToggleControls;
271 if (mediaElement->shouldShowControls())
272 data.mediaFlags |= WebContextMenuData::MediaControls;
273 } else if (isHTMLObjectElement(*r.innerNonSharedNode()) || isHTMLEmbedElement(*r.innerNonSharedNode())) {
274 RenderObject* object = r.innerNonSharedNode()->renderer();
275 if (object && object->isRenderPart()) {
276 Widget* widget = toRenderPart(object)->widget();
277 if (widget && widget->isPluginContainer()) {
278 data.mediaType = WebContextMenuData::MediaTypePlugin;
279 WebPluginContainerImpl* plugin = toWebPluginContainerImpl(widget);
280 WebString text = plugin->plugin()->selectionAsText();
281 if (!text.isEmpty()) {
282 data.selectedText = text;
283 data.editFlags |= WebContextMenuData::CanCopy;
285 data.editFlags &= ~WebContextMenuData::CanTranslate;
286 data.linkURL = plugin->plugin()->linkAtPosition(data.mousePosition);
287 if (plugin->plugin()->supportsPaginatedPrint())
288 data.mediaFlags |= WebContextMenuData::MediaCanPrint;
290 HTMLPlugInElement* pluginElement = toHTMLPlugInElement(r.innerNonSharedNode());
291 data.srcURL = pluginElement->document().completeURL(pluginElement->url());
292 data.mediaFlags |= WebContextMenuData::MediaCanSave;
294 // Add context menu commands that are supported by the plugin.
295 if (plugin->plugin()->canRotateView())
296 data.mediaFlags |= WebContextMenuData::MediaCanRotate;
301 // If it's not a link, an image, a media element, or an image/media link,
302 // show a selection menu or a more generic page menu.
303 if (selectedFrame->document()->loader())
304 data.frameEncoding = selectedFrame->document()->encodingName();
306 // Send the frame and page URLs in any case.
307 data.pageURL = urlFromFrame(m_webView->mainFrameImpl()->frame());
308 if (selectedFrame != m_webView->mainFrameImpl()->frame()) {
309 data.frameURL = urlFromFrame(selectedFrame);
310 RefPtrWillBeRawPtr<HistoryItem> historyItem = selectedFrame->loader().currentItem();
312 data.frameHistoryItem = WebHistoryItem(historyItem);
315 if (r.isSelected()) {
316 if (!isHTMLInputElement(*r.innerNonSharedNode()) || toHTMLInputElement(r.innerNonSharedNode())->type() != InputTypeNames::password)
317 data.selectedText = selectedFrame->selectedText().stripWhiteSpace();
320 if (r.isContentEditable()) {
321 data.isEditable = true;
323 // When Chrome enables asynchronous spellchecking, its spellchecker adds spelling markers to misspelled
324 // words and attaches suggestions to these markers in the background. Therefore, when a user right-clicks
325 // a mouse on a word, Chrome just needs to find a spelling marker on the word instead of spellchecking it.
326 if (selectedFrame->settings() && selectedFrame->settings()->asynchronousSpellCheckingEnabled()) {
329 data.misspelledWord = selectMisspellingAsync(selectedFrame, description, hash);
330 data.misspellingHash = hash;
331 if (description.length()) {
332 Vector<String> suggestions;
333 description.split('\n', suggestions);
334 data.dictionarySuggestions = suggestions;
335 } else if (m_webView->spellCheckClient()) {
336 int misspelledOffset, misspelledLength;
337 m_webView->spellCheckClient()->spellCheck(data.misspelledWord, misspelledOffset, misspelledLength, &data.dictionarySuggestions);
340 data.isSpellCheckingEnabled =
341 toLocalFrame(m_webView->focusedCoreFrame())->spellChecker().isContinuousSpellCheckingEnabled();
342 // Spellchecking might be enabled for the field, but could be disabled on the node.
343 if (toLocalFrame(m_webView->focusedCoreFrame())->spellChecker().isSpellCheckingEnabledInFocusedNode()) {
344 data.misspelledWord = selectMisspelledWord(selectedFrame);
345 if (m_webView->spellCheckClient()) {
346 int misspelledOffset, misspelledLength;
347 m_webView->spellCheckClient()->spellCheck(
348 data.misspelledWord, misspelledOffset, misspelledLength,
349 &data.dictionarySuggestions);
350 if (!misspelledLength)
351 data.misspelledWord.reset();
355 HTMLFormElement* form = selectedFrame->selection().currentForm();
356 if (form && isHTMLInputElement(*r.innerNonSharedNode())) {
357 HTMLInputElement& selectedElement = toHTMLInputElement(*r.innerNonSharedNode());
358 WebSearchableFormData ws = WebSearchableFormData(WebFormElement(form), WebInputElement(&selectedElement));
359 if (ws.url().isValid())
360 data.keywordURL = ws.url();
364 if (selectedFrame->editor().selectionHasStyle(CSSPropertyDirection, "ltr") != FalseTriState)
365 data.writingDirectionLeftToRight |= WebContextMenuData::CheckableMenuItemChecked;
366 if (selectedFrame->editor().selectionHasStyle(CSSPropertyDirection, "rtl") != FalseTriState)
367 data.writingDirectionRightToLeft |= WebContextMenuData::CheckableMenuItemChecked;
369 // Now retrieve the security info.
370 DocumentLoader* dl = selectedFrame->loader().documentLoader();
371 WebDataSource* ds = WebDataSourceImpl::fromDocumentLoader(dl);
373 data.securityInfo = ds->response().securityInfo();
375 data.referrerPolicy = static_cast<WebReferrerPolicy>(selectedFrame->document()->referrerPolicy());
377 // Filter out custom menu elements and add them into the data.
378 populateCustomMenuItems(defaultMenu, &data);
380 // Extract suggested filename for saving file.
381 if (isHTMLAnchorElement(r.URLElement())) {
382 HTMLAnchorElement* anchor = toHTMLAnchorElement(r.URLElement());
383 data.suggestedFilename = anchor->fastGetAttribute(HTMLNames::downloadAttr);
386 data.node = r.innerNonSharedNode();
388 WebLocalFrameImpl* selectedWebFrame = WebLocalFrameImpl::fromFrame(selectedFrame);
389 if (selectedWebFrame->client())
390 selectedWebFrame->client()->showContextMenu(data);
393 void ContextMenuClientImpl::clearContextMenu()
395 HitTestResult r = m_webView->page()->contextMenuController().hitTestResult();
396 LocalFrame* selectedFrame = r.innerNodeFrame();
400 WebLocalFrameImpl* selectedWebFrame = WebLocalFrameImpl::fromFrame(selectedFrame);
401 if (selectedWebFrame->client())
402 selectedWebFrame->client()->clearContextMenu();
405 static void populateSubMenuItems(const Vector<ContextMenuItem>& inputMenu, WebVector<WebMenuItemInfo>& subMenuItems)
407 Vector<WebMenuItemInfo> subItems;
408 for (size_t i = 0; i < inputMenu.size(); ++i) {
409 const ContextMenuItem* inputItem = &inputMenu.at(i);
410 if (inputItem->action() < ContextMenuItemBaseCustomTag || inputItem->action() > ContextMenuItemLastCustomTag)
413 WebMenuItemInfo outputItem;
414 outputItem.label = inputItem->title();
415 outputItem.enabled = inputItem->enabled();
416 outputItem.checked = inputItem->checked();
417 outputItem.action = static_cast<unsigned>(inputItem->action() - ContextMenuItemBaseCustomTag);
418 switch (inputItem->type()) {
420 outputItem.type = WebMenuItemInfo::Option;
422 case CheckableActionType:
423 outputItem.type = WebMenuItemInfo::CheckableOption;
426 outputItem.type = WebMenuItemInfo::Separator;
429 outputItem.type = WebMenuItemInfo::SubMenu;
430 populateSubMenuItems(inputItem->subMenuItems(), outputItem.subMenuItems);
433 subItems.append(outputItem);
436 WebVector<WebMenuItemInfo> outputItems(subItems.size());
437 for (size_t i = 0; i < subItems.size(); ++i)
438 outputItems[i] = subItems[i];
439 subMenuItems.swap(outputItems);
442 void ContextMenuClientImpl::populateCustomMenuItems(const ContextMenu* defaultMenu, WebContextMenuData* data)
444 populateSubMenuItems(defaultMenu->items(), data->customItems);