bool DragController::mayStartDragAtEventLocation(const Frame* frame, const IntPoint& framePos) { ASSERT(frame); ASSERT(frame->settings()); if (!frame->view() || !frame->contentRenderer()) return false; HitTestResult mouseDownTarget = HitTestResult(framePos); mouseDownTarget = frame->eventHandler()->hitTestResultAtPoint(framePos, true); if (mouseDownTarget.image() && !mouseDownTarget.absoluteImageURL().isEmpty() && frame->settings()->loadsImagesAutomatically() && m_dragSourceAction & DragSourceActionImage) return true; if (!mouseDownTarget.absoluteLinkURL().isEmpty() && m_dragSourceAction & DragSourceActionLink && mouseDownTarget.isLiveLink()) return true; if (mouseDownTarget.isSelected() && m_dragSourceAction & DragSourceActionSelection) return true; return false; }
bool DragController::canProcessDrag(DragData* dragData) { ASSERT(dragData); if (!dragData->containsCompatibleContent()) return false; IntPoint point = m_page->mainFrame()->view()->windowToContents(dragData->clientPosition()); HitTestResult result = HitTestResult(point); if (!m_page->mainFrame()->contentRenderer()) return false; result = m_page->mainFrame()->eventHandler()->hitTestResultAtPoint(point, true); if (!result.innerNonSharedNode()) return false; if (dragData->containsFiles() && asFileInput(result.innerNonSharedNode())) return true; if (!result.innerNonSharedNode()->rendererIsEditable()) return false; if (m_didInitiateDrag && m_documentUnderMouse == m_dragInitiator && result.isSelected()) return false; return true; }
void ContextMenuController::clearContextMenu() { m_contextMenu.clear(); if (m_menuProvider) m_menuProvider->contextMenuCleared(); m_menuProvider = 0; m_hitTestResult = HitTestResult(); m_client->clearContextMenu(); }
HitTestResult hitTestInDocument(const Document* document, int x, int y) { LocalFrame* frame = document->frame(); if (!frame) return HitTestResult(); FrameView* frameView = frame->view(); if (!frameView) return HitTestResult(); IntPoint point(x, y); if (!frameView->visibleContentRect().contains(point)) return HitTestResult(); HitTestRequest request(HitTestRequest::ReadOnly | HitTestRequest::Active); HitTestResult result(point); document->renderView()->hitTest(request, result); return result; }
//============================== // VRMenuEventHandler::Closed void VRMenuEventHandler::Closed( Array< VRMenuEvent > & events ) { LOG( "Closed" ); // broadcast the closed event VRMenuEvent event( VRMENU_EVENT_CLOSED, EVENT_DISPATCH_BROADCAST, menuHandle_t(), Vector3f( 0.0f ), HitTestResult() ); events.PushBack( event ); if ( FocusedHandle.IsValid() ) { VRMenuEvent event( VRMENU_EVENT_FOCUS_LOST, EVENT_DISPATCH_TARGET, FocusedHandle, Vector3f( 0.0f ), HitTestResult() ); events.PushBack( event ); FocusedHandle.Release(); LOG( "Released FocusHandle" ); } }
//============================== // VRMenuEventHandler::Closing void VRMenuEventHandler::Closing( Array< VRMenuEvent > & events ) { LOG( "Closing" ); // broadcast the closing event VRMenuEvent event( VRMENU_EVENT_CLOSING, EVENT_DISPATCH_BROADCAST, menuHandle_t(), Vector3f( 0.0f ), HitTestResult() ); events.PushBack( event ); }
//============================== // VRMenuEventHandler::Opened void VRMenuEventHandler::Opened( Array< VRMenuEvent > & events ) { LOG( "Opened" ); // broadcast the opened event VRMenuEvent event( VRMENU_EVENT_OPENED, EVENT_DISPATCH_BROADCAST, menuHandle_t(), Vector3f( 0.0f ), HitTestResult() ); events.PushBack( event ); }
//============================== // VRMenuEventHandler::InitComponents void VRMenuEventHandler::InitComponents( Array< VRMenuEvent > & events ) { VRMenuEvent event( VRMENU_EVENT_INIT, EVENT_DISPATCH_BROADCAST, menuHandle_t(), Vector3f( 0.0f ), HitTestResult() ); events.PushBack( event ); }
bool DragController::startDrag(Frame* src, Clipboard* clipboard, DragOperation srcOp, const PlatformMouseEvent& dragEvent, const IntPoint& dragOrigin, bool isDHTMLDrag) { ASSERT(src); ASSERT(clipboard); if (!src->view() || !src->contentRenderer()) return false; HitTestResult dragSource = HitTestResult(dragOrigin); dragSource = src->eventHandler()->hitTestResultAtPoint(dragOrigin, true); KURL linkURL = dragSource.absoluteLinkURL(); KURL imageURL = dragSource.absoluteImageURL(); bool isSelected = dragSource.isSelected(); IntPoint mouseDraggedPoint = src->view()->windowToContents(dragEvent.pos()); m_draggingImageURL = KURL(); m_sourceDragOperation = srcOp; DragImageRef dragImage = 0; IntPoint dragLoc(0, 0); IntPoint dragImageOffset(0, 0); if (isDHTMLDrag) dragImage = clipboard->createDragImage(dragImageOffset); else { // This drag operation is not a DHTML drag and may go outside the WebView. // We provide a default set of allowed drag operations that follows from: // http://trac.webkit.org/browser/trunk/WebKit/mac/WebView/WebHTMLView.mm?rev=48526#L3430 m_sourceDragOperation = (DragOperation)(DragOperationGeneric | DragOperationCopy); } // We allow DHTML/JS to set the drag image, even if its a link, image or text we're dragging. // This is in the spirit of the IE API, which allows overriding of pasteboard data and DragOp. if (dragImage) { dragLoc = dragLocForDHTMLDrag(mouseDraggedPoint, dragOrigin, dragImageOffset, !linkURL.isEmpty()); m_dragOffset = dragImageOffset; } bool startedDrag = true; // optimism - we almost always manage to start the drag Node* node = dragSource.innerNonSharedNode(); Image* image = getImage(static_cast<Element*>(node)); if (!imageURL.isEmpty() && node && node->isElementNode() && image && (m_dragSourceAction & DragSourceActionImage)) { // We shouldn't be starting a drag for an image that can't provide an extension. // This is an early detection for problems encountered later upon drop. ASSERT(!image->filenameExtension().isEmpty()); Element* element = static_cast<Element*>(node); if (!clipboard->hasData()) { m_draggingImageURL = imageURL; prepareClipboardForImageDrag(src, clipboard, element, linkURL, imageURL, dragSource.altDisplayString()); } m_client->willPerformDragSourceAction(DragSourceActionImage, dragOrigin, clipboard); if (!dragImage) { IntRect imageRect = dragSource.imageRect(); imageRect.setLocation(m_page->mainFrame()->view()->windowToContents(src->view()->contentsToWindow(imageRect.location()))); doImageDrag(element, dragOrigin, dragSource.imageRect(), clipboard, src, m_dragOffset); } else // DHTML defined drag image doSystemDrag(dragImage, dragLoc, dragOrigin, clipboard, src, false); } else if (!linkURL.isEmpty() && (m_dragSourceAction & DragSourceActionLink)) { if (!clipboard->hasData()) // Simplify whitespace so the title put on the clipboard resembles what the user sees // on the web page. This includes replacing newlines with spaces. clipboard->writeURL(linkURL, dragSource.textContent().simplifyWhiteSpace(), src); if (src->selection()->isCaret() && src->selection()->isContentEditable()) { // a user can initiate a drag on a link without having any text // selected. In this case, we should expand the selection to // the enclosing anchor element Position pos = src->selection()->base(); Node* node = enclosingAnchorElement(pos); if (node) src->selection()->setSelection(VisibleSelection::selectionFromContentsOfNode(node)); } m_client->willPerformDragSourceAction(DragSourceActionLink, dragOrigin, clipboard); if (!dragImage) { dragImage = m_client->createDragImageForLink(linkURL, dragSource.textContent(), src); IntSize size = dragImageSize(dragImage); m_dragOffset = IntPoint(-size.width() / 2, -LinkDragBorderInset); dragLoc = IntPoint(mouseDraggedPoint.x() + m_dragOffset.x(), mouseDraggedPoint.y() + m_dragOffset.y()); } doSystemDrag(dragImage, dragLoc, mouseDraggedPoint, clipboard, src, true); } else if (isSelected && (m_dragSourceAction & DragSourceActionSelection)) { RefPtr<Range> selectionRange = src->selection()->toNormalizedRange(); ASSERT(selectionRange); if (!clipboard->hasData()) clipboard->writeRange(selectionRange.get(), src); m_client->willPerformDragSourceAction(DragSourceActionSelection, dragOrigin, clipboard); if (!dragImage) { dragImage = createDragImageForSelection(src); dragLoc = dragLocForSelectionDrag(src); m_dragOffset = IntPoint((int)(dragOrigin.x() - dragLoc.x()), (int)(dragOrigin.y() - dragLoc.y())); } doSystemDrag(dragImage, dragLoc, dragOrigin, clipboard, src, false); } else if (isDHTMLDrag) { ASSERT(m_dragSourceAction & DragSourceActionDHTML); m_client->willPerformDragSourceAction(DragSourceActionDHTML, dragOrigin, clipboard); doSystemDrag(dragImage, dragLoc, dragOrigin, clipboard, src, false); } else { // Only way I know to get here is if to get here is if the original element clicked on in the mousedown is no longer // under the mousedown point, so linkURL, imageURL and isSelected are all false/empty. startedDrag = false; } if (dragImage) deleteDragImage(dragImage); return startedDrag; }