Example #1
0
bool KeyframeAnimation::sendAnimationEvent(const AtomicString& eventType, double elapsedTime)
{
    Document::ListenerType listenerType;
    if (eventType == eventNames().webkitAnimationIterationEvent)
        listenerType = Document::ANIMATIONITERATION_LISTENER;
    else if (eventType == eventNames().webkitAnimationEndEvent)
        listenerType = Document::ANIMATIONEND_LISTENER;
    else {
        ASSERT(eventType == eventNames().webkitAnimationStartEvent);
        if (m_startEventDispatched)
            return false;
        m_startEventDispatched = true;
        listenerType = Document::ANIMATIONSTART_LISTENER;
    }

    if (shouldSendEventForListener(listenerType)) {
        // Dispatch the event
        RefPtr<Element> element;
        if (m_object->node() && m_object->node()->isElementNode())
            element = static_cast<Element*>(m_object->node());

        ASSERT(!element || (element->document() && !element->document()->inPageCache()));
        if (!element)
            return false;

        // Schedule event handling
        m_compAnim->animationController()->addEventToDispatch(element, eventType, m_keyframes.animationName(), elapsedTime);

        // Restore the original (unanimated) style
        if (eventType == eventNames().webkitAnimationEndEvent && element->renderer())
            setNeedsStyleRecalc(element.get());

        return true; // Did dispatch an event
    }

    return false; // Did not dispatch an event
}
Example #2
0
DragOperation DragController::tryDHTMLDrag(DragData* dragData)
{   
    ASSERT(dragData);
    ASSERT(m_document);
    DragOperation op = DragOperationNone;
    RefPtr<Frame> frame = m_page->mainFrame();
    RefPtr<FrameView> viewProtector = frame->view();
    if (!viewProtector)
        return DragOperationNone;
    
    ClipboardAccessPolicy policy = frame->loader()->baseURL().isLocalFile() ? ClipboardReadable : ClipboardTypesReadable;
    RefPtr<Clipboard> clipboard = dragData->createClipboard(policy);
    DragOperation srcOp = dragData->draggingSourceOperationMask();
    clipboard->setSourceOperation(srcOp);
    
#ifdef __OWB__
    if (frame->eventHandler()->updateDragAndDrop(createMouseEvent(dragData), clipboard.get())) {
#else
    PlatformMouseEvent event = createMouseEvent(dragData);
    if (frame->eventHandler()->updateDragAndDrop(event, clipboard.get())) {
#endif
        // *op unchanged if no source op was set
        if (!clipboard->destinationOperation(op)) {
            // The element accepted but they didn't pick an operation, so we pick one for them
            // (as does WinIE).
            if (srcOp & DragOperationCopy)
                op = DragOperationCopy;
            else if (srcOp & DragOperationMove || srcOp & DragOperationGeneric)
                op = DragOperationMove;
            else if (srcOp & DragOperationLink)
                op = DragOperationLink;
            else
                op = DragOperationGeneric;
        } else if (!(op & srcOp)) {
            op = DragOperationNone;
        }

        clipboard->setAccessPolicy(ClipboardNumb);    // invalidate clipboard here for security
        return op;
    }
    return op;
}

bool DragController::mayStartDragAtEventLocation(const Frame* frame, const IntPoint& framePos)
{
    ASSERT(frame);

    if (!frame->view() || !frame->renderer())
        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;

}
Example #3
0
bool DragController::concludeEditDrag(DragData* dragData)
{
    ASSERT(dragData);

    RefPtr<HTMLInputElement> fileInput = m_fileInputElementUnderMouse;
    if (m_fileInputElementUnderMouse) {
        m_fileInputElementUnderMouse->setCanReceiveDroppedFiles(false);
        m_fileInputElementUnderMouse = 0;
    }

    if (!m_documentUnderMouse)
        return false;

    IntPoint point = m_documentUnderMouse->view()->windowToContents(dragData->clientPosition());
    Element* element = elementUnderMouse(m_documentUnderMouse.get(), point);
    if (!element)
        return false;
    Frame* innerFrame = element->ownerDocument()->frame();
    ASSERT(innerFrame);

    if (m_page->dragCaretController()->hasCaret() && !dispatchTextInputEventFor(innerFrame, dragData))
        return true;

    if (dragData->containsColor()) {
        Color color = dragData->asColor();
        if (!color.isValid())
            return false;
        RefPtr<Range> innerRange = innerFrame->selection()->toNormalizedRange();
        RefPtr<StylePropertySet> style = StylePropertySet::create();
        style->setProperty(CSSPropertyColor, color.serialized(), false);
        if (!innerFrame->editor()->shouldApplyStyle(style.get(), innerRange.get()))
            return false;
        m_client->willPerformDragDestinationAction(DragDestinationActionEdit, dragData);
        innerFrame->editor()->applyStyle(style.get(), EditActionSetColor);
        return true;
    }

    if (dragData->containsFiles() && fileInput) {
        // fileInput should be the element we hit tested for, unless it was made
        // display:none in a drop event handler.
        ASSERT(fileInput == element || !fileInput->renderer());
        if (fileInput->disabled())
            return false;

        Vector<String> filenames;
        dragData->asFilenames(filenames);
        if (filenames.isEmpty())
            return false;

        fileInput->receiveDroppedFiles(filenames);
        m_client->willPerformDragDestinationAction(DragDestinationActionUpload, dragData);
        return true;
    }

    if (!m_page->dragController()->canProcessDrag(dragData)) {
        m_page->dragCaretController()->clear();
        return false;
    }

    VisibleSelection dragCaret = m_page->dragCaretController()->caretPosition();
    m_page->dragCaretController()->clear();
    RefPtr<Range> range = dragCaret.toNormalizedRange();
    RefPtr<Element> rootEditableElement = innerFrame->selection()->rootEditableElement();

    // For range to be null a WebKit client must have done something bad while
    // manually controlling drag behaviour
    if (!range)
        return false;
    CachedResourceLoader* cachedResourceLoader = range->ownerDocument()->cachedResourceLoader();
    ResourceCacheValidationSuppressor validationSuppressor(cachedResourceLoader);
    if (dragIsMove(innerFrame->selection(), dragData) || dragCaret.isContentRichlyEditable()) {
        bool chosePlainText = false;
        RefPtr<DocumentFragment> fragment = documentFragmentFromDragData(dragData, innerFrame, range, true, chosePlainText);
        if (!fragment || !innerFrame->editor()->shouldInsertFragment(fragment, range, EditorInsertActionDropped)) {
            return false;
        }

        m_client->willPerformDragDestinationAction(DragDestinationActionEdit, dragData);
        if (dragIsMove(innerFrame->selection(), dragData)) {
            // NSTextView behavior is to always smart delete on moving a selection,
            // but only to smart insert if the selection granularity is word granularity.
            bool smartDelete = innerFrame->editor()->smartInsertDeleteEnabled();
            bool smartInsert = smartDelete && innerFrame->selection()->granularity() == WordGranularity && dragData->canSmartReplace();
            applyCommand(MoveSelectionCommand::create(fragment, dragCaret.base(), smartInsert, smartDelete));
        } else {
            if (setSelectionToDragCaret(innerFrame, dragCaret, range, point)) {
                ReplaceSelectionCommand::CommandOptions options = ReplaceSelectionCommand::SelectReplacement | ReplaceSelectionCommand::PreventNesting;
                if (dragData->canSmartReplace())
                    options |= ReplaceSelectionCommand::SmartReplace;
                if (chosePlainText)
                    options |= ReplaceSelectionCommand::MatchStyle;
                applyCommand(ReplaceSelectionCommand::create(m_documentUnderMouse.get(), fragment, options));
            }
        }
    } else {
        String text = dragData->asPlainText(innerFrame);
        if (text.isEmpty() || !innerFrame->editor()->shouldInsertText(text, range.get(), EditorInsertActionDropped)) {
            return false;
        }

        m_client->willPerformDragDestinationAction(DragDestinationActionEdit, dragData);
        if (setSelectionToDragCaret(innerFrame, dragCaret, range, point))
            applyCommand(ReplaceSelectionCommand::create(m_documentUnderMouse.get(), createFragmentFromText(range.get(), text),  ReplaceSelectionCommand::SelectReplacement | ReplaceSelectionCommand::MatchStyle | ReplaceSelectionCommand::PreventNesting));
    }

    if (rootEditableElement) {
        if (Frame* frame = rootEditableElement->document()->frame())
            frame->eventHandler()->updateDragStateAfterEditDragIfNeeded(rootEditableElement.get());
    }

    return true;
}
Example #4
0
bool TextAutoSizingValue::adjustNodeSizes()
{
    bool objectsRemoved = false;
    
    // Remove stale nodes.  Nodes may have had their renderers detached.  We'll
    // also need to remove the style from the documents m_textAutoSizedNodes
    // collection.  Return true indicates we need to do that removal.
    Vector<RefPtr<Node> > nodesForRemoval;
    HashSet<RefPtr<Node> >::iterator end = m_autoSizedNodes.end();
    for (HashSet<RefPtr<Node> >::iterator i = m_autoSizedNodes.begin(); i != end; ++i) {
        RefPtr<Node> autoSizingNode = *i;
        RenderText* text = static_cast<RenderText*>(autoSizingNode->renderer());
        if (!text || !text->style().textSizeAdjust().isAuto() || !text->candidateComputedTextSize()) {
            // remove node.
            nodesForRemoval.append(autoSizingNode);
            objectsRemoved = true;
        }
    }
    
    unsigned count = nodesForRemoval.size();
    for (unsigned i = 0; i < count; i++)
        m_autoSizedNodes.remove(nodesForRemoval[i]);
    
    // If we only have one piece of text with the style on the page don't
    // adjust it's size.
    if (m_autoSizedNodes.size() <= 1)
        return objectsRemoved;
    
    // Compute average size
    float cumulativeSize = 0;
    end = m_autoSizedNodes.end();
    for (HashSet<RefPtr<Node> >::iterator i = m_autoSizedNodes.begin(); i != end; ++i) {
        RefPtr<Node> autoSizingNode = *i;
        RenderText* renderText = static_cast<RenderText*>(autoSizingNode->renderer());
        cumulativeSize += renderText->candidateComputedTextSize();
    }
    
    float averageSize = roundf(cumulativeSize / m_autoSizedNodes.size());
    
    // Adjust sizes
    bool firstPass = true;
    end = m_autoSizedNodes.end();
    for (HashSet<RefPtr<Node> >::iterator i = m_autoSizedNodes.begin(); i != end; ++i) {
        const RefPtr<Node>& autoSizingNode = *i;
        RenderText* text = static_cast<RenderText*>(autoSizingNode->renderer());
        if (text && text->style().fontDescription().computedSize() != averageSize) {
            float specifiedSize = text->style().fontDescription().specifiedSize();
            float scaleChange = averageSize / specifiedSize;
            if (scaleChange > MAX_SCALE_INCREASE && firstPass) {
                firstPass = false;
                averageSize = roundf(specifiedSize * MAX_SCALE_INCREASE);
                scaleChange = averageSize / specifiedSize;
            }
            
            RefPtr<RenderStyle> style = cloneRenderStyleWithState(text->style());
            FontDescription fontDescription = style->fontDescription();
            fontDescription.setComputedSize(averageSize);
            style->setFontDescription(fontDescription);
            style->font().update(autoSizingNode->document().ensureStyleResolver().fontSelector());
            text->parent()->setStyle(style.releaseNonNull());
            
            RenderElement* parentRenderer = text->parent();
            if (parentRenderer->isAnonymousBlock())
                parentRenderer = parentRenderer->parent();
            
            // If we have a list we should resize ListMarkers separately.
            RenderObject* listMarkerRenderer = parentRenderer->firstChild();
            if (listMarkerRenderer->isListMarker()) {
                RefPtr<RenderStyle> style = cloneRenderStyleWithState(listMarkerRenderer->style());
                style->setFontDescription(fontDescription);
                style->font().update(autoSizingNode->document().ensureStyleResolver().fontSelector());
                toRenderListMarker(*listMarkerRenderer).setStyle(style.releaseNonNull());
            }
            
            // Resize the line height of the parent.
            const RenderStyle& parentStyle = parentRenderer->style();
            Length lineHeightLength = parentStyle.specifiedLineHeight();
            
            int specifiedLineHeight = 0;
            if (lineHeightLength.isPercent())
                specifiedLineHeight = minimumValueForLength(lineHeightLength, fontDescription.specifiedSize());
            else
                specifiedLineHeight = lineHeightLength.value();
            
            int lineHeight = specifiedLineHeight * scaleChange;
            if (!lineHeightLength.isFixed() || lineHeightLength.value() != lineHeight) {
                RefPtr<RenderStyle> newParentStyle = cloneRenderStyleWithState(parentStyle);
                newParentStyle->setLineHeight(Length(lineHeight, Fixed));
                newParentStyle->setSpecifiedLineHeight(lineHeightLength);
                newParentStyle->setFontDescription(fontDescription);
                newParentStyle->font().update(autoSizingNode->document().ensureStyleResolver().fontSelector());
                parentRenderer->setStyle(newParentStyle.releaseNonNull());
            }
        }
    }
    
    return objectsRemoved;
}