Exemplo n.º 1
0
bool RenderWidget::nodeAtPoint(const HitTestRequest& request, HitTestResult& result, const HitTestLocation& locationInContainer, const LayoutPoint& accumulatedOffset, HitTestAction action)
{
    if (request.allowsChildFrameContent() && widget() && widget()->isFrameView() && toFrameView(widget())->renderView()) {
        FrameView* childFrameView = toFrameView(widget());
        RenderView* childRoot = childFrameView->renderView();

        LayoutPoint adjustedLocation = accumulatedOffset + location();
        LayoutPoint contentOffset = LayoutPoint(borderLeft() + paddingLeft(), borderTop() + paddingTop()) - childFrameView->scrollOffset();
        HitTestLocation newHitTestLocation(locationInContainer, -adjustedLocation - contentOffset);
        HitTestRequest newHitTestRequest(request.type() | HitTestRequest::ChildFrameHitTest);
        HitTestResult childFrameResult(newHitTestLocation);

        bool isInsideChildFrame = childRoot->hitTest(newHitTestRequest, newHitTestLocation, childFrameResult);

        if (newHitTestLocation.isRectBasedTest())
            result.append(childFrameResult);
        else if (isInsideChildFrame)
            result = childFrameResult;

        if (isInsideChildFrame)
            return true;
    }

    bool hadResult = result.innerNode();
    bool inside = RenderReplaced::nodeAtPoint(request, result, locationInContainer, accumulatedOffset, action);

    // Check to see if we are really over the widget itself (and not just in the border/padding area).
    if ((inside || result.isRectBasedTest()) && !hadResult && result.innerNode() == &frameOwnerElement())
        result.setIsOverWidget(contentBoxRect().contains(result.localPoint()));
    return inside;
}
Exemplo n.º 2
0
bool RenderPart::nodeAtPoint(const HitTestRequest& request, HitTestResult& result, const HitTestLocation& locationInContainer, const LayoutPoint& accumulatedOffset, HitTestAction action)
{
    if (!widget() || !widget()->isFrameView() || !request.allowsChildFrameContent())
        return RenderWidget::nodeAtPoint(request, result, locationInContainer, accumulatedOffset, action);

    FrameView* childFrameView = toFrameView(widget());
    RenderView* childRoot = childFrameView->renderView();

    if (childRoot) {
        LayoutPoint adjustedLocation = accumulatedOffset + location();
        LayoutPoint contentOffset = LayoutPoint(borderLeft() + paddingLeft(), borderTop() + paddingTop()) - childFrameView->scrollOffset();
        HitTestLocation newHitTestLocation(locationInContainer, -adjustedLocation - contentOffset);
        HitTestRequest newHitTestRequest(request.type() | HitTestRequest::ChildFrameHitTest);
        HitTestResult childFrameResult(newHitTestLocation);

        bool isInsideChildFrame = childRoot->hitTest(newHitTestRequest, newHitTestLocation, childFrameResult);

        if (newHitTestLocation.isRectBasedTest())
            result.append(childFrameResult);
        else if (isInsideChildFrame)
            result = childFrameResult;

        if (isInsideChildFrame)
            return true;
    }

    return RenderWidget::nodeAtPoint(request, result, locationInContainer, accumulatedOffset, action);
}
Exemplo n.º 3
0
bool RenderPart::nodeAtPoint(const HitTestRequest& request, HitTestResult& result, const HitTestLocation& locationInContainer, const LayoutPoint& accumulatedOffset, HitTestAction action)
{
    if (!widget() || !widget()->isFrameView() || !request.allowsChildFrameContent())
        return RenderWidget::nodeAtPoint(request, result, locationInContainer, accumulatedOffset, action);

    FrameView* childFrameView = toFrameView(widget());
    RenderView* childRoot = childFrameView->renderView();

    if (childRoot) {
        LayoutPoint adjustedLocation = accumulatedOffset + location();
        LayoutPoint contentOffset = LayoutPoint(borderLeft() + paddingLeft(), borderTop() + paddingTop()) - childFrameView->scrollOffset();
        HitTestLocation newHitTestLocation(locationInContainer, -adjustedLocation - contentOffset);
        HitTestRequest newHitTestRequest(request.type() | HitTestRequest::ChildFrameHitTest);
        HitTestResult childFrameResult(newHitTestLocation);

        bool isInsideChildFrame = childRoot->hitTest(newHitTestRequest, newHitTestLocation, childFrameResult);

        if (newHitTestLocation.isRectBasedTest())
            result.append(childFrameResult);
        else if (isInsideChildFrame)
            result = childFrameResult;

        if (isInsideChildFrame)
            return true;

        if (request.allowsFrameScrollbars()) {
            // ScrollView scrollbars are not the same as RenderLayer scrollbars tested by RenderLayer::hitTestOverflowControls,
            // so we need to test ScrollView scrollbars separately here.
            // FIXME: Consider if this test could be done unconditionally.
            Scrollbar* frameScrollbar = childFrameView->scrollbarAtPoint(newHitTestLocation.roundedPoint());
            if (frameScrollbar)
                result.setScrollbar(frameScrollbar);
        }
    }

    return RenderWidget::nodeAtPoint(request, result, locationInContainer, accumulatedOffset, action);
}
Exemplo n.º 4
0
bool RenderEmbeddedObject::isReplacementObscured() const
{
    // Return whether or not the replacement content for blocked plugins is accessible to the user.

    // Check the opacity of each layer containing the element or its ancestors.
    float opacity = 1.0;
    for (RenderLayer* layer = enclosingLayer(); layer; layer = layer->parent()) {
        RenderLayerModelObject* renderer = layer->renderer();
        RenderStyle* style = renderer->style();
        opacity *= style->opacity();
        if (opacity < 0.1)
            return true;
    }

    // Calculate the absolute rect for the blocked plugin replacement text.
    IntRect absoluteBoundingBox = absoluteBoundingBoxRect();
    LayoutPoint absoluteLocation(absoluteBoundingBox.location());
    LayoutRect rect = replacementTextRect(absoluteLocation);
    if (rect.isEmpty())
        return true;

    RenderView* docRenderer = document()->renderView();
    ASSERT(docRenderer);
    if (!docRenderer)
        return true;
    
    HitTestRequest request(HitTestRequest::ReadOnly | HitTestRequest::Active | HitTestRequest::IgnoreClipping | HitTestRequest::DisallowShadowContent);
    HitTestResult result;
    HitTestLocation location;
    
    LayoutUnit x = rect.x();
    LayoutUnit y = rect.y();
    LayoutUnit width = rect.width();
    LayoutUnit height = rect.height();
    
    // Hit test the center and near the corners of the replacement text to ensure
    // it is visible and is not masked by other elements.
    bool hit = false;
    location = LayoutPoint(x + width / 2, y + height / 2);
    hit = docRenderer->hitTest(request, location, result);
    if (!hit || result.innerNode() != node())
        return true;
    
    location = LayoutPoint(x, y);
    hit = docRenderer->hitTest(request, location, result);
    if (!hit || result.innerNode() != node())
        return true;
    
    location = LayoutPoint(x + width, y);
    hit = docRenderer->hitTest(request, location, result);
    if (!hit || result.innerNode() != node())
        return true;
    
    location = LayoutPoint(x + width, y + height);
    hit = docRenderer->hitTest(request, location, result);
    if (!hit || result.innerNode() != node())
        return true;
    
    location = LayoutPoint(x, y + height);
    hit = docRenderer->hitTest(request, location, result);
    if (!hit || result.innerNode() != node())
        return true;

    return false;
}
bool RenderEmbeddedObject::isReplacementObscured() const
{
    // Return whether or not the replacement content for blocked plugins is accessible to the user.

    // Check the opacity of each layer containing the element or its ancestors.
    float opacity = 1.0;
    for (RenderLayer* layer = enclosingLayer(); layer; layer = layer->parent()) {
        opacity *= layer->renderer().style().opacity();
        if (opacity < 0.1)
            return true;
    }

    // Calculate the absolute rect for the blocked plugin replacement text.
    IntRect absoluteBoundingBox = absoluteBoundingBoxRect();
    LayoutPoint absoluteLocation(absoluteBoundingBox.location());
    LayoutRect rect = unavailablePluginIndicatorBounds(absoluteLocation);
    if (rect.isEmpty())
        return true;

    RenderView* rootRenderView = document().topDocument().renderView();
    ASSERT(rootRenderView);
    if (!rootRenderView)
        return true;

    IntRect rootViewRect = view().frameView().convertToRootView(snappedIntRect(rect));
    
    HitTestRequest request(HitTestRequest::ReadOnly | HitTestRequest::Active | HitTestRequest::IgnoreClipping | HitTestRequest::DisallowUserAgentShadowContent | HitTestRequest::AllowChildFrameContent);
    HitTestResult result;
    HitTestLocation location;
    
    LayoutUnit x = rootViewRect.x();
    LayoutUnit y = rootViewRect.y();
    LayoutUnit width = rootViewRect.width();
    LayoutUnit height = rootViewRect.height();
    
    // Hit test the center and near the corners of the replacement text to ensure
    // it is visible and is not masked by other elements.
    bool hit = false;
    location = LayoutPoint(x + width / 2, y + height / 2);
    hit = rootRenderView->hitTest(request, location, result);
    if (!hit || result.innerNode() != &frameOwnerElement())
        return true;
    
    location = LayoutPoint(x, y);
    hit = rootRenderView->hitTest(request, location, result);
    if (!hit || result.innerNode() != &frameOwnerElement())
        return true;
    
    location = LayoutPoint(x + width, y);
    hit = rootRenderView->hitTest(request, location, result);
    if (!hit || result.innerNode() != &frameOwnerElement())
        return true;
    
    location = LayoutPoint(x + width, y + height);
    hit = rootRenderView->hitTest(request, location, result);
    if (!hit || result.innerNode() != &frameOwnerElement())
        return true;
    
    location = LayoutPoint(x, y + height);
    hit = rootRenderView->hitTest(request, location, result);
    if (!hit || result.innerNode() != &frameOwnerElement())
        return true;

    return false;
}