static void expandSelectionToGranularity(Frame* frame, int x, int y, TextGranularity granularity, bool isInputMode)
{
ASSERT(frame);
ASSERT(frame->selection());
VisibleSelection selection;
if (x < 0 || y < 0) {
if (!isInputMode)
return; // Invalid request
// Input mode based selection, use the current selection as the selection point.
ASSERT(frame->selection()->selectionType() != VisibleSelection::NoSelection);
selection = frame->selection()->selection();
} else {
VisiblePosition pointLocation(frame->visiblePositionForPoint(WebCore::IntPoint(x, y)));
selection = VisibleSelection(pointLocation, pointLocation);
}
if (!(selection.start().anchorNode() && selection.start().anchorNode()->isTextNode()))
return;
selection.expandUsingGranularity(granularity);
RefPtr<Range> newRange = selection.toNormalizedRange();
if (!newRange)
return;
ExceptionCode ec = 0;
if (newRange->collapsed(ec))
return;
RefPtr<Range> oldRange = frame->selection()->selection().toNormalizedRange();
EAffinity affinity = frame->selection()->affinity();
if (isInputMode && !frame->editor()->client()->shouldChangeSelectedRange(oldRange.get(), newRange.get(), affinity, false))
return;
frame->selection()->setSelectedRange(newRange.get(), affinity, true);
}
PlatformMenuDescription ContextMenuClientImpl::getCustomMenuFromDefaultItems(
ContextMenu* defaultMenu)
{
// Displaying the context menu in this function is a big hack as we don't
// have context, i.e. whether this is being invoked via a script or in
// response to user input (Mouse event WM_RBUTTONDOWN,
// Keyboard events KeyVK_APPS, Shift+F10). Check if this is being invoked
// in response to the above input events before popping up the context menu.
if (!m_webView->contextMenuAllowed())
return 0;
HitTestResult r = m_webView->page()->contextMenuController()->hitTestResult();
Frame* selectedFrame = r.innerNonSharedNode()->document()->frame();
WebContextMenuData data;
data.mousePosition = selectedFrame->view()->contentsToWindow(r.roundedPoint());
// Compute edit flags.
data.editFlags = WebContextMenuData::CanDoNone;
if (m_webView->focusedWebCoreFrame()->editor()->canUndo())
data.editFlags |= WebContextMenuData::CanUndo;
if (m_webView->focusedWebCoreFrame()->editor()->canRedo())
data.editFlags |= WebContextMenuData::CanRedo;
if (m_webView->focusedWebCoreFrame()->editor()->canCut())
data.editFlags |= WebContextMenuData::CanCut;
if (m_webView->focusedWebCoreFrame()->editor()->canCopy())
data.editFlags |= WebContextMenuData::CanCopy;
if (m_webView->focusedWebCoreFrame()->editor()->canPaste())
data.editFlags |= WebContextMenuData::CanPaste;
if (m_webView->focusedWebCoreFrame()->editor()->canDelete())
data.editFlags |= WebContextMenuData::CanDelete;
// We can always select all...
data.editFlags |= WebContextMenuData::CanSelectAll;
data.editFlags |= WebContextMenuData::CanTranslate;
// Links, Images, Media tags, and Image/Media-Links take preference over
// all else.
data.linkURL = r.absoluteLinkURL();
if (!r.absoluteImageURL().isEmpty()) {
data.srcURL = r.absoluteImageURL();
data.mediaType = WebContextMenuData::MediaTypeImage;
} else if (!r.absoluteMediaURL().isEmpty()) {
data.srcURL = r.absoluteMediaURL();
// We know that if absoluteMediaURL() is not empty, then this
// is a media element.
HTMLMediaElement* mediaElement =
static_cast<HTMLMediaElement*>(r.innerNonSharedNode());
if (mediaElement->hasTagName(HTMLNames::videoTag))
data.mediaType = WebContextMenuData::MediaTypeVideo;
else if (mediaElement->hasTagName(HTMLNames::audioTag))
data.mediaType = WebContextMenuData::MediaTypeAudio;
if (mediaElement->error())
data.mediaFlags |= WebContextMenuData::MediaInError;
if (mediaElement->paused())
data.mediaFlags |= WebContextMenuData::MediaPaused;
if (mediaElement->muted())
data.mediaFlags |= WebContextMenuData::MediaMuted;
if (mediaElement->loop())
data.mediaFlags |= WebContextMenuData::MediaLoop;
if (mediaElement->supportsSave())
data.mediaFlags |= WebContextMenuData::MediaCanSave;
if (mediaElement->hasAudio())
data.mediaFlags |= WebContextMenuData::MediaHasAudio;
if (mediaElement->hasVideo())
data.mediaFlags |= WebContextMenuData::MediaHasVideo;
if (mediaElement->controls())
data.mediaFlags |= WebContextMenuData::MediaControlRootElement;
} else if (r.innerNonSharedNode()->hasTagName(HTMLNames::objectTag)
|| r.innerNonSharedNode()->hasTagName(HTMLNames::embedTag)) {
RenderObject* object = r.innerNonSharedNode()->renderer();
if (object && object->isWidget()) {
Widget* widget = toRenderWidget(object)->widget();
if (widget && widget->isPluginContainer()) {
data.mediaType = WebContextMenuData::MediaTypePlugin;
WebPluginContainerImpl* plugin = static_cast<WebPluginContainerImpl*>(widget);
WebString text = plugin->plugin()->selectionAsText();
if (!text.isEmpty()) {
data.selectedText = text;
data.editFlags |= WebContextMenuData::CanCopy;
}
data.editFlags &= ~WebContextMenuData::CanTranslate;
data.linkURL = plugin->plugin()->linkAtPosition(data.mousePosition);
if (plugin->plugin()->supportsPaginatedPrint())
data.mediaFlags |= WebContextMenuData::MediaCanPrint;
HTMLPlugInImageElement* pluginElement = static_cast<HTMLPlugInImageElement*>(r.innerNonSharedNode());
data.srcURL = pluginElement->document()->completeURL(pluginElement->url());
data.mediaFlags |= WebContextMenuData::MediaCanSave;
// Add context menu commands that are supported by the plugin.
if (plugin->plugin()->canRotateView())
data.mediaFlags |= WebContextMenuData::MediaCanRotate;
}
}
}
data.isImageBlocked =
(data.mediaType == WebContextMenuData::MediaTypeImage) && !r.image();
// If it's not a link, an image, a media element, or an image/media link,
// show a selection menu or a more generic page menu.
if (selectedFrame->document()->loader())
data.frameEncoding = selectedFrame->document()->encoding();
// Send the frame and page URLs in any case.
data.pageURL = urlFromFrame(m_webView->mainFrameImpl()->frame());
if (selectedFrame != m_webView->mainFrameImpl()->frame()) {
data.frameURL = urlFromFrame(selectedFrame);
RefPtr<HistoryItem> historyItem = selectedFrame->loader()->history()->currentItem();
if (historyItem)
data.frameHistoryItem = WebHistoryItem(historyItem);
}
if (r.isSelected()) {
if (!r.innerNonSharedNode()->hasTagName(HTMLNames::inputTag) || !static_cast<HTMLInputElement*>(r.innerNonSharedNode())->isPasswordField())
data.selectedText = selectedFrame->editor()->selectedText().stripWhiteSpace();
}
if (r.isContentEditable()) {
data.isEditable = true;
#if ENABLE(INPUT_SPEECH)
if (r.innerNonSharedNode()->hasTagName(HTMLNames::inputTag)) {
data.isSpeechInputEnabled =
static_cast<HTMLInputElement*>(r.innerNonSharedNode())->isSpeechEnabled();
}
#endif
// When Chrome enables asynchronous spellchecking, its spellchecker adds spelling markers to misspelled
// words and attaches suggestions to these markers in the background. Therefore, when a user right-clicks
// a mouse on a word, Chrome just needs to find a spelling marker on the word instread of spellchecking it.
if (selectedFrame->settings() && selectedFrame->settings()->asynchronousSpellCheckingEnabled()) {
VisibleSelection selection = selectedFrame->selection()->selection();
if (selection.isCaret()) {
selection.expandUsingGranularity(WordGranularity);
RefPtr<Range> range = selection.toNormalizedRange();
Vector<DocumentMarker*> markers = selectedFrame->document()->markers()->markersInRange(range.get(), DocumentMarker::Spelling | DocumentMarker::Grammar);
if (markers.size() == 1) {
range->setStart(range->startContainer(), markers[0]->startOffset());
range->setEnd(range->endContainer(), markers[0]->endOffset());
data.misspelledWord = range->text();
if (markers[0]->description().length()) {
Vector<String> suggestions;
markers[0]->description().split('\n', suggestions);
data.dictionarySuggestions = suggestions;
} else if (m_webView->spellCheckClient()) {
int misspelledOffset, misspelledLength;
m_webView->spellCheckClient()->spellCheck(data.misspelledWord, misspelledOffset, misspelledLength, &data.dictionarySuggestions);
}
selection = VisibleSelection(range.get());
if (selectedFrame->selection()->shouldChangeSelection(selection))
selectedFrame->selection()->setSelection(selection, WordGranularity);
}
}
} else if (m_webView->focusedWebCoreFrame()->editor()->isContinuousSpellCheckingEnabled()) {
data.isSpellCheckingEnabled = true;
// Spellchecking might be enabled for the field, but could be disabled on the node.
if (m_webView->focusedWebCoreFrame()->editor()->isSpellCheckingEnabledInFocusedNode()) {
data.misspelledWord = selectMisspelledWord(defaultMenu, selectedFrame);
if (m_webView->spellCheckClient()) {
int misspelledOffset, misspelledLength;
m_webView->spellCheckClient()->spellCheck(
data.misspelledWord, misspelledOffset, misspelledLength,
&data.dictionarySuggestions);
if (!misspelledLength)
data.misspelledWord.reset();
}
}
}
HTMLFormElement* form = selectedFrame->selection()->currentForm();
if (form && form->checkValidity() && r.innerNonSharedNode()->hasTagName(HTMLNames::inputTag)) {
HTMLInputElement* selectedElement = static_cast<HTMLInputElement*>(r.innerNonSharedNode());
if (selectedElement) {
WebSearchableFormData ws = WebSearchableFormData(WebFormElement(form), WebInputElement(selectedElement));
if (ws.url().isValid())
data.keywordURL = ws.url();
}
}
}
#if OS(DARWIN)
if (selectedFrame->editor()->selectionHasStyle(CSSPropertyDirection, "ltr") != FalseTriState)
data.writingDirectionLeftToRight |= WebContextMenuData::CheckableMenuItemChecked;
if (selectedFrame->editor()->selectionHasStyle(CSSPropertyDirection, "rtl") != FalseTriState)
data.writingDirectionRightToLeft |= WebContextMenuData::CheckableMenuItemChecked;
#endif // OS(DARWIN)
// Now retrieve the security info.
DocumentLoader* dl = selectedFrame->loader()->documentLoader();
WebDataSource* ds = WebDataSourceImpl::fromDocumentLoader(dl);
if (ds)
data.securityInfo = ds->response().securityInfo();
data.referrerPolicy = static_cast<WebReferrerPolicy>(selectedFrame->document()->referrerPolicy());
// Filter out custom menu elements and add them into the data.
populateCustomMenuItems(defaultMenu, &data);
data.node = r.innerNonSharedNode();
WebFrame* selected_web_frame = WebFrameImpl::fromFrame(selectedFrame);
if (m_webView->client())
m_webView->client()->showContextMenu(selected_web_frame, data);
return 0;
}
int Frame::checkOverflowScroll(OverflowScrollAction action)
{
Position extent = selection().selection().extent();
if (extent.isNull())
return OverflowScrollNone;
RenderObject* renderer = extent.deprecatedNode()->renderer();
if (!renderer)
return OverflowScrollNone;
FrameView* view = this->view();
if (!view)
return OverflowScrollNone;
RenderBlock* containingBlock = renderer->containingBlock();
if (!containingBlock || !containingBlock->hasOverflowClip())
return OverflowScrollNone;
RenderLayer* layer = containingBlock->layer();
ASSERT(layer);
IntRect visibleRect = IntRect(view->scrollX(), view->scrollY(), view->visibleWidth(), view->visibleHeight());
IntPoint position = m_overflowAutoScrollPos;
if (visibleRect.contains(position.x(), position.y()))
return OverflowScrollNone;
int scrollType = 0;
int deltaX = 0;
int deltaY = 0;
IntPoint selectionPosition;
// This constant will make the selection draw a little bit beyond the edge of the visible area.
// This prevents a visual glitch, in that you can fail to select a portion of a character that
// is being rendered right at the edge of the visible rectangle.
// FIXME: This probably needs improvement, and may need to take the font size into account.
static const int scrollBoundsAdjustment = 3;
// FIXME: Make a small buffer at the end of a visible rectangle so that autoscrolling works
// even if the visible extends to the limits of the screen.
if (position.x() < visibleRect.x()) {
scrollType |= OverflowScrollLeft;
if (action == PerformOverflowScroll) {
deltaX -= static_cast<int>(m_overflowAutoScrollDelta);
selectionPosition.setX(view->scrollX() - scrollBoundsAdjustment);
}
} else if (position.x() > visibleRect.maxX()) {
scrollType |= OverflowScrollRight;
if (action == PerformOverflowScroll) {
deltaX += static_cast<int>(m_overflowAutoScrollDelta);
selectionPosition.setX(view->scrollX() + view->visibleWidth() + scrollBoundsAdjustment);
}
}
if (position.y() < visibleRect.y()) {
scrollType |= OverflowScrollUp;
if (action == PerformOverflowScroll) {
deltaY -= static_cast<int>(m_overflowAutoScrollDelta);
selectionPosition.setY(view->scrollY() - scrollBoundsAdjustment);
}
} else if (position.y() > visibleRect.maxY()) {
scrollType |= OverflowScrollDown;
if (action == PerformOverflowScroll) {
deltaY += static_cast<int>(m_overflowAutoScrollDelta);
selectionPosition.setY(view->scrollY() + view->visibleHeight() + scrollBoundsAdjustment);
}
}
Ref<Frame> protectedThis(*this);
if (action == PerformOverflowScroll && (deltaX || deltaY)) {
layer->scrollToOffset(layer->scrollOffset() + IntSize(deltaX, deltaY));
// Handle making selection.
VisiblePosition visiblePosition(renderer->positionForPoint(selectionPosition, nullptr));
if (visiblePosition.isNotNull()) {
VisibleSelection visibleSelection = selection().selection();
visibleSelection.setExtent(visiblePosition);
if (selection().granularity() != CharacterGranularity)
visibleSelection.expandUsingGranularity(selection().granularity());
if (selection().shouldChangeSelection(visibleSelection))
selection().setSelection(visibleSelection);
}
m_overflowAutoScrollDelta *= 1.02f; // Accelerate the scroll
}
return scrollType;
}
