Exemplos de FrameSelection::clear em C++ (Cpp)

Exemplo n.º 1

static void clearSelectionIfNeeded(Frame* oldFocusedFrame, Frame* newFocusedFrame, Node* newFocusedNode)
{
    if (!oldFocusedFrame || !newFocusedFrame)
        return;
        
    if (oldFocusedFrame->document() != newFocusedFrame->document())
        return;
    
    FrameSelection* s = oldFocusedFrame->selection();
    if (s->isNone())
        return;

    bool caretBrowsing = oldFocusedFrame->settings()->caretBrowsingEnabled();
    if (caretBrowsing)
        return;

    Node* selectionStartNode = s->selection().start().deprecatedNode();
    if (selectionStartNode == newFocusedNode || selectionStartNode->isDescendantOf(newFocusedNode) || selectionStartNode->shadowAncestorNode() == newFocusedNode)
        return;
        
    if (Node* mousePressNode = newFocusedFrame->eventHandler()->mousePressNode()) {
        if (mousePressNode->renderer() && !mousePressNode->canStartSelection()) {
            // Don't clear the selection for contentEditable elements, but do clear it for input and textarea. See bug 38696.
            Node * root = s->rootEditableElement();
            if (!root)
                return;

            if (Node* shadowAncestorNode = root->shadowAncestorNode()) {
                if (!shadowAncestorNode->hasTagName(inputTag) && !shadowAncestorNode->hasTagName(textareaTag))
                    return;
            }
        }
    }
    
    s->clear();
}