void WebPluginContainerImpl::handleMouseEvent(MouseEvent* event)
{
    ASSERT(parent()->isFrameView());

    // We cache the parent FrameView here as the plugin widget could be deleted
    // in the call to HandleEvent. See http://b/issue?id=1362948
    FrameView* parentView = static_cast<FrameView*>(parent());

    WebMouseEventBuilder webEvent(parentView, *event);
    if (webEvent.type == WebInputEvent::Undefined)
        return;

    if (event->type() == eventNames().mousedownEvent) {
        // Ensure that the frame containing the plugin has focus.
        Frame* containingFrame = parentView->frame();
        if (Page* currentPage = containingFrame->page())
            currentPage->focusController()->setFocusedFrame(containingFrame);
        // Give focus to our containing HTMLPluginElement.
        containingFrame->document()->setFocusedNode(m_element);
    }

    WebCursorInfo cursorInfo;
    if (m_webPlugin->handleInputEvent(webEvent, cursorInfo))
        event->setDefaultHandled();

    // A windowless plugin can change the cursor in response to a mouse move
    // event.  We need to reflect the changed cursor in the frame view as the
    // mouse is moved in the boundaries of the windowless plugin.
    Page* page = parentView->frame()->page();
    if (!page)
        return;
    ChromeClientImpl* chromeClient =
        static_cast<ChromeClientImpl*>(page->chrome()->client());
    chromeClient->setCursorForPlugin(cursorInfo);
}
void ScrollbarThemeComposite::paintScrollCorner(ScrollView* view, GraphicsContext* context, const IntRect& cornerRect)
{
    FrameView* frameView = static_cast<FrameView*>(view);
    Page* page = frameView->frame() ? frameView->frame()->page() : 0;
    if (page && page->settings()->shouldPaintCustomScrollbars() && page->chrome()->client()->paintCustomScrollCorner(context, cornerRect))
        return;
    context->fillRect(cornerRect, Color::white, DeviceColorSpace);
}
Esempio n. 3
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void RenderPartObject::layout()
{
    ASSERT(needsLayout());

    calcWidth();
    calcHeight();
    
#ifdef FLATTEN_IFRAME
    // Some IFrames have a width and/or height of 1 when they are meant to be
    // hidden. If that is the case, don't try to expand.
    if (m_widget && m_widget->isFrameView() &&
            m_width > 1 && m_height > 1) {
        FrameView* view = static_cast<FrameView*>(m_widget);
        RenderView* root = NULL;
        if (view->frame() && view->frame()->document() &&
            view->frame()->document()->renderer() && view->frame()->document()->renderer()->isRenderView())
            root = static_cast<RenderView*>(view->frame()->document()->renderer());
        if (root) {
            // Update the dimensions to get the correct minimum preferred width
            updateWidgetPosition();

            // Use the preferred width if it is larger.
            m_width = max(m_width, root->minPrefWidth());
            int extraWidth = paddingLeft() + paddingRight() + borderLeft() + borderRight();
            int extraHeight = paddingTop() + paddingBottom() + borderTop() + borderBottom();
            // Resize the view to recalc the height.
            int height = m_height - extraHeight;
            int width = m_width - extraWidth;
            if (width > view->width())
                height = 0;
            if (width != view->width() || height != view->height()) {
                view->resize(width, height);
                root->setNeedsLayout(true, false);
            }
            // Layout the view.
            if (view->needsLayout())
                view->layout();
            int contentHeight = view->contentsHeight();
            int contentWidth = view->contentsWidth();
            // Do not shrink iframes with specified sizes
            if (contentHeight > m_height || style()->height().isAuto())
                m_height = contentHeight;
            m_width = std::min(contentWidth, 800);
        }
    }
#endif
    adjustOverflowForBoxShadow();

    RenderPart::layout();

    if (!m_widget && m_view)
        m_view->addWidgetToUpdate(this);
    
    setNeedsLayout(false);
}
static Page* pageForScrollView(ScrollView* view)
{
    if (!view)
        return 0;
    if (!view->isFrameView())
        return 0;
    FrameView* frameView = static_cast<FrameView*>(view);
    if (!frameView->frame())
        return 0;
    return frameView->frame()->page();
}
TEST(RemoteFrameThrottlingTest, ThrottledLocalRoot)
{
    FrameTestHelpers::TestWebViewClient viewClient;
    WebViewImpl* webView = WebViewImpl::create(&viewClient);
    webView->resize(WebSize(640, 480));

    // Create a remote root frame with a local child frame.
    FrameTestHelpers::TestWebRemoteFrameClient remoteClient;
    webView->setMainFrame(remoteClient.frame());
    remoteClient.frame()->setReplicatedOrigin(WebSecurityOrigin::createUnique());

    WebFrameOwnerProperties properties;
    FrameTestHelpers::TestWebFrameClient localFrameClient;
    WebRemoteFrame* rootFrame = webView->mainFrame()->toWebRemoteFrame();
    WebLocalFrame* localFrame = rootFrame->createLocalChild(WebTreeScopeType::Document, "", WebSandboxFlags::None, &localFrameClient, nullptr, properties);

    WebString baseURL("http://internal.test/");
    URLTestHelpers::registerMockedURLFromBaseURL(baseURL, "simple_div.html");
    FrameTestHelpers::loadFrame(localFrame, baseURL.utf8() + "simple_div.html");

    FrameView* frameView = toWebLocalFrameImpl(localFrame)->frameView();
    EXPECT_TRUE(frameView->frame().isLocalRoot());

    // Enable throttling for the child frame.
    frameView->setFrameRect(IntRect(0, 480, frameView->width(), frameView->height()));
    frameView->frame().securityContext()->setSecurityOrigin(SecurityOrigin::createUnique());
    frameView->updateAllLifecyclePhases();
    testing::runPendingTasks();
    EXPECT_TRUE(frameView->shouldThrottleRendering());

    Document* frameDocument = frameView->frame().document();
    if (RuntimeEnabledFeatures::slimmingPaintSynchronizedPaintingEnabled())
        EXPECT_EQ(DocumentLifecycle::PaintClean, frameDocument->lifecycle().state());
    else
        EXPECT_EQ(DocumentLifecycle::PaintInvalidationClean, frameDocument->lifecycle().state());

    // Mutate the local child frame contents.
    auto* divElement = frameDocument->getElementById("div");
    divElement->setAttribute(styleAttr, "width: 50px");
    EXPECT_EQ(DocumentLifecycle::VisualUpdatePending, frameDocument->lifecycle().state());

    // Update the lifecycle again. The frame's lifecycle should not advance
    // because of throttling even though it is the local root.
    frameView->updateAllLifecyclePhases();
    testing::runPendingTasks();
    EXPECT_EQ(DocumentLifecycle::VisualUpdatePending, frameDocument->lifecycle().state());
    webView->close();
}
void RenderPartObject::calcHeight() {
    RenderPart::calcHeight();
    if (!node()->hasTagName(iframeTag) || !widget() || !widget()->isFrameView())
        return;
    FrameView* view = static_cast<FrameView*>(widget());
    RenderView* root = static_cast<RenderView*>(view->frame()->contentRenderer());
    if (!root)
        return;
    // Do not expand if the scrollbars are suppressed and the height is fixed.
    bool scrolling = static_cast<HTMLIFrameElement*>(node())->scrollingMode() != ScrollbarAlwaysOff;
    if (!scrolling && style()->height().isFixed())
        return;
    // Update the widget
    updateWidgetPosition();

//SAMSUNG CHANGE >>
    // Browser freeze issue in http://www.enuri.com/
    /* do {
        view->layout();
     } while (view->layoutPending() || root->needsLayout()); */

    node()->document()->page()->mainFrame()->view()->layoutIfNeededRecursive();
//SAMSUNG CHANGE <<

    int extraHeight = paddingTop() + paddingBottom() + borderTop() + borderBottom();
    setHeight(max(width(), view->contentsHeight() + extraHeight));

    // Update one last time to ensure the dimensions.
    updateWidgetPosition();
}
void RenderFrame::layout()
{
    FrameView* view = static_cast<FrameView*>(widget());
    RenderView* root = view ? view->frame()->contentRenderer() : 0;

    // Do not expand frames which has zero width or height
    if (!width() || !height() || !root) {
        updateWidgetPosition();
        if (view)
            view->layout();
        setNeedsLayout(false);
        return;
    }

    HTMLFrameElementBase* element = static_cast<HTMLFrameElementBase*>(node());
    if (element->scrollingMode() == ScrollbarAlwaysOff && !root->isFrameSet()) {
        setNeedsLayout(false);
        return;
    }

    // Update the dimensions to get the correct width and height
    updateWidgetPosition();
    if (root->preferredLogicalWidthsDirty())
        root->computePreferredLogicalWidths();

    // Expand the frame by setting frame height = content height
    setWidth(max(view->contentsWidth() + borderAndPaddingWidth(), width()));
    setHeight(max(view->contentsHeight() + borderAndPaddingHeight(), height()));

    // Update one more time
    updateWidgetPosition();

    setNeedsLayout(false);
}
void write(TextStream& ts, const RenderObject& o, int indent)
{
#if ENABLE(SVG)
    if (o.isRenderPath()) {
        write(ts, *toRenderPath(&o), indent);
        return;
    }
    if (o.isSVGContainer()) {
        writeSVGContainer(ts, o, indent);
        return;
    }
    if (o.isSVGRoot()) {
        write(ts, *toRenderSVGRoot(&o), indent);
        return;
    }
    if (o.isSVGText()) {
        if (!o.isText())
            writeSVGText(ts, *toRenderBlock(&o), indent);
        else
            writeSVGInlineText(ts, *toRenderText(&o), indent);
        return;
    }
    if (o.isSVGImage()) {
        writeSVGImage(ts, *toRenderImage(&o), indent);
        return;
    }
#endif

    writeIndent(ts, indent);

    ts << o << "\n";

    if (o.isText() && !o.isBR()) {
        const RenderText& text = *toRenderText(&o);
        for (InlineTextBox* box = text.firstTextBox(); box; box = box->nextTextBox()) {
            writeIndent(ts, indent + 1);
            writeTextRun(ts, text, *box);
        }
    }

    for (RenderObject* child = o.firstChild(); child; child = child->nextSibling()) {
        if (child->hasLayer())
            continue;
        write(ts, *child, indent + 1);
    }

    if (o.isWidget()) {
        Widget* widget = toRenderWidget(&o)->widget();
        if (widget && widget->isFrameView()) {
            FrameView* view = static_cast<FrameView*>(widget);
            RenderView* root = view->frame()->contentRenderer();
            if (root) {
                view->layout();
                RenderLayer* l = root->layer();
                if (l)
                    writeLayers(ts, l, l, IntRect(l->x(), l->y(), l->width(), l->height()), indent + 1);
            }
        }
    }
}
Esempio n. 9
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static EA::WebKit::View* GetEAWebKitMediaView(MediaPlayer* pPlayer)
{
    EA::WebKit::View* pView = NULL;

    if (pPlayer)
    {
        FrameView* pFV = pPlayer->frameView();
        if (pFV)
        {    
            const Frame* pFrame = pFV->frame(); 
            const EA::WebKit::WebFrame* pWebFrame = EA::WebKit::WebFramePrivate::kit(pFrame);
            if (pWebFrame)
            {
                pView = pWebFrame->page()->view();
            }
        }
    
        // If we fail to get the view from the player (might not be set yet by WebKit), we can try to get it from the document directly.
        if (!pView)
        {
            MediaPlayerClient* pMPClient = pPlayer->mediaPlayerClient();
            if ( (pMPClient) && (pMPClient->mediaPlayerOwningDocument()) )
            {
                Document* pDoc = pMPClient->mediaPlayerOwningDocument();
                const Frame* pFrame = pDoc->frame();
                const EA::WebKit::WebFrame* pWebFrame = EA::WebKit::WebFramePrivate::kit(pFrame);
                if (pWebFrame)
                {
                    pView = pWebFrame->page()->view();
                }
            }
        }
    }
    return pView;
}
Esempio n. 10
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// FIXME: This should not be necessary.  Remove this once WebKit knows to properly schedule
// layouts using WebCore when objects resize.
void RenderPart::updateWidgetPosition()
{
    if (!m_widget)
        return;
    
    int x, y, width, height;
    absolutePosition(x, y);
    x += borderLeft() + paddingLeft();
    y += borderTop() + paddingTop();
    width = m_width - borderLeft() - borderRight() - paddingLeft() - paddingRight();
    height = m_height - borderTop() - borderBottom() - paddingTop() - paddingBottom();
    IntRect newBounds(x,y,width,height);
    if (newBounds != m_widget->frameGeometry()) {
        // The widget changed positions.  Update the frame geometry.
        RenderArena *arena = ref();
        element()->ref();
        m_widget->setFrameGeometry(newBounds);
        element()->deref();
        deref(arena);

        FrameView* frameView = m_widget->isFrameView() ? static_cast<FrameView*>(m_widget) : 0;
        if (frameView && !frameView->frame()->settings()->flatFrameSetLayoutEnabled())
            frameView->layout();
    }
}
Esempio n. 11
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RenderView* RenderIFrame::contentRootRenderer() const
{
    // FIXME: Is this always a valid cast? What about plugins?
    ASSERT(!widget() || widget()->isFrameView());
    FrameView* childFrameView = toFrameView(widget());
    return childFrameView ? childFrameView->frame()->contentRenderer() : 0;
}
Esempio n. 12
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WebRenderObject::WebRenderObject(RenderObject* renderer)
{
    m_name = renderer->renderName();

    // FIXME: broken with transforms
    m_absolutePosition = flooredIntPoint(renderer->localToAbsolute(FloatPoint()));

    if (renderer->isBox())
        m_frameRect = toRenderBox(renderer)->frameRect();
    else if (renderer->isText()) {
        m_frameRect = toRenderText(renderer)->linesBoundingBox();
        m_frameRect.setX(toRenderText(renderer)->firstRunX());
        m_frameRect.setY(toRenderText(renderer)->firstRunY());
    } else if (renderer->isRenderInline())
        m_frameRect = toRenderBoxModelObject(renderer)->borderBoundingBox();

    m_children = MutableArray::create();
    for (RenderObject* coreChild = renderer->firstChild(); coreChild; coreChild = coreChild->nextSibling()) {
        RefPtr<WebRenderObject> child = adoptRef(new WebRenderObject(coreChild));
        m_children->append(child.get());
    }

    if (!renderer->isWidget())
        return;

    Widget* widget = toRenderWidget(renderer)->widget();
    if (!widget || !widget->isFrameView())
        return;

    FrameView* frameView = static_cast<FrameView*>(widget);
    if (RenderView* coreContentRenderer = frameView->frame()->contentRenderer()) {
        RefPtr<WebRenderObject> contentRenderer = adoptRef(new WebRenderObject(coreContentRenderer));
        m_children->append(contentRenderer.get());
    }
}
void ScrollView::scrollTo(const IntSize& newOffset)
{
    IntSize scrollDelta = newOffset - m_scrollOffset;
    if (scrollDelta == IntSize())
        return;
    m_scrollOffset = newOffset;

#if PLATFORM(ANDROID)
    if (parent()) {
        FrameView* frameView = this->frameView();
        // IFrames are composited on a layer, we do not need to repaint them
        // when scrolling
        if (frameView) {
            RenderView* renderer = frameView->frame()->contentRenderer();
            if (renderer) {
                RenderLayer* layer = renderer->layer();
                if (layer->backing()) {
                    GraphicsLayerAndroid* backing = static_cast<GraphicsLayerAndroid*>(
                        layer->backing()->graphicsLayer());
                    backing->updateScrollOffset();
                }
            }
            return;
        }
    }
#endif

    if (scrollbarsSuppressed())
        return;

    repaintFixedElementsAfterScrolling();
    scrollContents(scrollDelta);
}
void PaintPropertyTreeBuilder::buildTreeRootNodes(FrameView& rootFrame, PaintPropertyTreeBuilderContext& context)
{
    // Only create extra root clip and transform nodes when RLS is enabled, because the main frame
    // unconditionally create frame translation / clip nodes otherwise.
    if (rootFrame.frame().settings() && rootFrame.frame().settings()->rootLayerScrolls()) {
        transformRoot = TransformPaintPropertyNode::create(TransformationMatrix(), FloatPoint3D(), nullptr);
        context.currentTransform = context.transformForAbsolutePosition = context.transformForFixedPosition = transformRoot.get();

        clipRoot = ClipPaintPropertyNode::create(transformRoot, FloatRoundedRect(LayoutRect::infiniteIntRect()), nullptr);
        context.currentClip = context.clipForAbsolutePosition = context.clipForFixedPosition = clipRoot.get();
    }

    // The root frame never creates effect node so we unconditionally create a root node here.
    effectRoot = EffectPaintPropertyNode::create(1.0, nullptr);
    context.currentEffect = effectRoot.get();
}
Esempio n. 15
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Document* AXObject::document() const
{
    FrameView* frameView = documentFrameView();
    if (!frameView)
        return 0;

    return frameView->frame().document();
}
Document* AccessibilityObject::document() const
{
    FrameView* frameView = documentFrameView();
    if (!frameView)
        return 0;

    return frameView->frame()->document();
}
Esempio n. 17
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InRegionScrollableArea::InRegionScrollableArea(WebPagePrivate* webPage, RenderLayer* layer)
    : m_webPage(webPage)
    , m_layer(layer)
{
    ASSERT(webPage);
    ASSERT(layer);
    m_isNull = false;

    // FIXME: Add an ASSERT here as the 'layer' must be scrollable.

    RenderObject* layerRenderer = layer->renderer();
    ASSERT(layerRenderer);

    if (layerRenderer->isRenderView()) { // #document case

        FrameView* view = toRenderView(layerRenderer)->frameView();
        ASSERT(view);

        Frame* frame = view->frame();
        ASSERT_UNUSED(frame, frame);

        m_scrollPosition = m_webPage->mapToTransformed(view->scrollPosition());
        m_contentsSize = m_webPage->mapToTransformed(view->contentsSize());
        m_viewportSize = m_webPage->mapToTransformed(view->visibleContentRect(false /*includeScrollbars*/)).size();

        m_visibleWindowRect = m_webPage->mapToTransformed(m_webPage->getRecursiveVisibleWindowRect(view));
        IntRect transformedWindowRect = IntRect(IntPoint::zero(), m_webPage->transformedViewportSize());
        m_visibleWindowRect.intersect(transformedWindowRect);

        m_scrollsHorizontally = view->contentsWidth() > view->visibleWidth();
        m_scrollsVertically = view->contentsHeight() > view->visibleHeight();

        m_overscrollLimitFactor = 0.0; // FIXME eventually support overscroll
    } else { // RenderBox-based elements case (scrollable boxes (div's, p's, textarea's, etc)).

        RenderBox* box = m_layer->renderBox();
        ASSERT(box);
        ASSERT(box->canBeScrolledAndHasScrollableArea());

        ScrollableArea* scrollableArea = static_cast<ScrollableArea*>(m_layer);
        m_scrollPosition = m_webPage->mapToTransformed(scrollableArea->scrollPosition());
        m_contentsSize = m_webPage->mapToTransformed(scrollableArea->contentsSize());
        m_viewportSize = m_webPage->mapToTransformed(scrollableArea->visibleContentRect(false /*includeScrollbars*/)).size();

        m_visibleWindowRect = m_layer->renderer()->absoluteClippedOverflowRect();
        m_visibleWindowRect = m_layer->renderer()->frame()->view()->contentsToWindow(m_visibleWindowRect);
        IntRect visibleFrameWindowRect = m_webPage->getRecursiveVisibleWindowRect(m_layer->renderer()->frame()->view());
        m_visibleWindowRect.intersect(visibleFrameWindowRect);
        m_visibleWindowRect = m_webPage->mapToTransformed(m_visibleWindowRect);
        IntRect transformedWindowRect = IntRect(IntPoint::zero(), m_webPage->transformedViewportSize());
        m_visibleWindowRect.intersect(transformedWindowRect);

        m_scrollsHorizontally = box->scrollWidth() != box->clientWidth() && box->scrollsOverflowX();
        m_scrollsVertically = box->scrollHeight() != box->clientHeight() && box->scrollsOverflowY();

        m_overscrollLimitFactor = 0.0; // FIXME eventually support overscroll
    }
}
Esempio n. 18
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void PluginView::setParent(ScrollView* parentWidget)
{
    // If parentWidget is 0, lets unregister the plugin with the current parent.
    if (m_private && (!parentWidget || parentWidget != parent())) {
        if (FrameView* frameView = toFrameView(parent())) {
            if (m_private->m_isBackgroundPlaying)
                frameView->hostWindow()->platformPageClient()->onPluginStopBackgroundPlay(this, m_private->m_pluginUniquePrefix.c_str());

            if (m_private->m_isFullScreen)
                handleFullScreenExitEvent();

            // This will unlock the idle (if we have locked it).
            m_private->preventIdle(false);

            // This will release any keepVisibleRects if they were set.
            m_private->clearVisibleRects();

#if USE(ACCELERATED_COMPOSITING)
            // If we had a hole punch rect set, clear it.
            if (m_private->m_platformLayer && !m_private->m_holePunchRect.isEmpty())
                m_private->m_platformLayer->setHolePunchRect(IntRect());
#endif
            frameView->hostWindow()->platformPageClient()->registerPlugin(this, false /*shouldRegister*/);
        }
    }

    Widget::setParent(parentWidget);

    if (parentWidget) {
        init();

        FrameView* frameView = toFrameView(parentWidget);

        if (frameView && m_private) {
            frameView->hostWindow()->platformPageClient()->registerPlugin(this, true /*shouldRegister*/);
            if (frameView->frame()
               && frameView->frame()->loader()
               && frameView->frame()->loader()->frameHasLoaded())
                handleOnLoadEvent();

            if (m_private->m_isBackgroundPlaying)
                frameView->hostWindow()->platformPageClient()->onPluginStartBackgroundPlay(this, m_private->m_pluginUniquePrefix.c_str());
        }
    }
}
void HTMLBodyElement::setScrollLeft(int scrollLeft)
{
    FrameView* sview = ownerDocument()->view();
    if (sview) {
        // Update the document's layout
        document()->updateLayoutIgnorePendingStylesheets();
        sview->setScrollPosition(IntPoint(static_cast<int>(scrollLeft * sview->frame()->zoomFactor()), sview->scrollY()));
    }    
}
Esempio n. 20
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void ScrollingCoordinator::updateSynchronousScrollingReasons(FrameView& frameView)
{
    // FIXME: Once we support async scrolling of iframes, we'll have to track the synchronous scrolling
    // reasons per frame (maybe on scrolling tree nodes).
    if (!frameView.frame().isMainFrame())
        return;

    setSynchronousScrollingReasons(synchronousScrollingReasons(frameView));
}
Esempio n. 21
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void AsyncScrollingCoordinator::frameViewLayoutUpdated(FrameView& frameView)
{
    ASSERT(isMainThread());
    ASSERT(m_page);

    // If there isn't a root node yet, don't do anything. We'll be called again after creating one.
    if (!m_scrollingStateTree->rootStateNode())
        return;

    // Compute the region of the page that we can't do fast scrolling for. This currently includes
    // all scrollable areas, such as subframes, overflow divs and list boxes. We need to do this even if the
    // frame view whose layout was updated is not the main frame.
    // In the future, we may want to have the ability to set non-fast scrolling regions for more than
    // just the root node. But right now, this concept only applies to the root.
    m_scrollingStateTree->rootStateNode()->setNonFastScrollableRegion(computeNonFastScrollableRegion(m_page->mainFrame(), IntPoint()));
    m_nonFastScrollableRegionDirty = false;

    if (!coordinatesScrollingForFrameView(frameView))
        return;

    ScrollingStateFrameScrollingNode* node = downcast<ScrollingStateFrameScrollingNode>(m_scrollingStateTree->stateNodeForID(frameView.scrollLayerID()));
    if (!node)
        return;

    Scrollbar* verticalScrollbar = frameView.verticalScrollbar();
    Scrollbar* horizontalScrollbar = frameView.horizontalScrollbar();
    node->setScrollbarPaintersFromScrollbars(verticalScrollbar, horizontalScrollbar);
    
    node->setFrameScaleFactor(frameView.frame().frameScaleFactor());
    node->setHeaderHeight(frameView.headerHeight());
    node->setFooterHeight(frameView.footerHeight());
    node->setTopContentInset(frameView.topContentInset());

    node->setScrollOrigin(frameView.scrollOrigin());
    node->setScrollableAreaSize(frameView.visibleContentRect().size());
    node->setTotalContentsSize(frameView.totalContentsSize());
    node->setReachableContentsSize(frameView.totalContentsSize());

#if ENABLE(CSS_SCROLL_SNAP)
    frameView.updateSnapOffsets();
    if (const Vector<LayoutUnit>* horizontalSnapOffsets = frameView.horizontalSnapOffsets())
        setStateScrollingNodeSnapOffsetsAsFloat(*node, ScrollEventAxis::Horizontal, *horizontalSnapOffsets, m_page->deviceScaleFactor());

    if (const Vector<LayoutUnit>* verticalSnapOffsets = frameView.verticalSnapOffsets())
        setStateScrollingNodeSnapOffsetsAsFloat(*node, ScrollEventAxis::Vertical, *verticalSnapOffsets, m_page->deviceScaleFactor());
#endif

    ScrollableAreaParameters scrollParameters;
    scrollParameters.horizontalScrollElasticity = frameView.horizontalScrollElasticity();
    scrollParameters.verticalScrollElasticity = frameView.verticalScrollElasticity();
    scrollParameters.hasEnabledHorizontalScrollbar = horizontalScrollbar && horizontalScrollbar->enabled();
    scrollParameters.hasEnabledVerticalScrollbar = verticalScrollbar && verticalScrollbar->enabled();
    scrollParameters.horizontalScrollbarMode = frameView.horizontalScrollbarMode();
    scrollParameters.verticalScrollbarMode = frameView.verticalScrollbarMode();

    node->setScrollableAreaParameters(scrollParameters);
}
Esempio n. 22
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static ChromeClientImpl* toChromeClientImpl(Widget* widget)
{
    if (!widget)
        return 0;

    FrameView* view;
    if (widget->isFrameView())
        view = static_cast<FrameView*>(widget);
    else if (widget->parent() && widget->parent()->isFrameView())
        view = static_cast<FrameView*>(widget->parent());
    else
        return 0;

    Page* page = view->frame() ? view->frame()->page() : 0;
    if (!page)
        return 0;

    return static_cast<ChromeClientImpl*>(page->chrome()->client());
}
Esempio n. 23
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void RenderFrameBase::layoutWithFlattening(bool fixedWidth, bool fixedHeight)
{
    FrameView* childFrameView = static_cast<FrameView*>(widget());
    RenderView* childRoot = childFrameView ? static_cast<RenderView*>(childFrameView->frame()->contentRenderer()) : 0;

    // Do not expand frames which has zero width or height
    if (!width() || !height() || !childRoot) {
        updateWidgetPosition();
        if (childFrameView)
            childFrameView->layout();
        setNeedsLayout(false);
        return;
    }

    // need to update to calculate min/max correctly
    updateWidgetPosition();
    if (childRoot->preferredLogicalWidthsDirty())
        childRoot->computePreferredLogicalWidths();

    // if scrollbars are off, and the width or height are fixed
    // we obey them and do not expand. With frame flattening
    // no subframe much ever become scrollable.

    HTMLFrameElementBase* element = static_cast<HTMLFrameElementBase*>(node());
    bool isScrollable = element->scrollingMode() != ScrollbarAlwaysOff;

    // consider iframe inset border
    int hBorder = borderLeft() + borderRight();
    int vBorder = borderTop() + borderBottom();

    // make sure minimum preferred width is enforced
    if (isScrollable || !fixedWidth) {
        setWidth(max(width(), childRoot->minPreferredLogicalWidth() + hBorder));
        // update again to pass the new width to the child frame
        updateWidgetPosition();
        childFrameView->layout();
    }

    // expand the frame by setting frame height = content height
    if (isScrollable || !fixedHeight || childRoot->isFrameSet())
        setHeight(max(height(), childFrameView->contentsHeight() + vBorder));
    if (isScrollable || !fixedWidth || childRoot->isFrameSet())
        setWidth(max(width(), childFrameView->contentsWidth() + hBorder));

    updateWidgetPosition();

    ASSERT(!childFrameView->layoutPending());
    ASSERT(!childRoot->needsLayout());
    ASSERT(!childRoot->firstChild() || !childRoot->firstChild()->firstChild() || !childRoot->firstChild()->firstChild()->needsLayout());

    setNeedsLayout(false);
}
Esempio n. 24
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void RenderFrameSet::layout()
{
    ASSERT(needsLayout());

    bool doFullRepaint = selfNeedsLayout() && checkForRepaintDuringLayout();
    IntRect oldBounds;
    if (doFullRepaint)
        oldBounds = absoluteClippedOverflowRect();

    if (!parent()->isFrameSet()) {
        FrameView* v = view()->frameView();
        m_width = v->visibleWidth();
        m_height = v->visibleHeight();
        if (flattenFrameset()) {
            // make the top level frameset at least 800*600 wide/high
            calcPrefWidths();
            m_width = max(m_width, m_minPrefWidth);
            if (!v->frame()->ownerElement())
                m_height = max(m_height, 600);
        }
    }

    size_t cols = frameSet()->totalCols();
    size_t rows = frameSet()->totalRows();

    if (m_rows.m_sizes.size() != rows || m_cols.m_sizes.size() != cols) {
        m_rows.resize(rows);
        m_cols.resize(cols);
    }

    int borderThickness = frameSet()->border();
    layOutAxis(m_rows, frameSet()->rowLengths(), m_height - (rows - 1) * borderThickness);
    layOutAxis(m_cols, frameSet()->colLengths(), m_width - (cols - 1) * borderThickness);

    if (flattenFrameset())
        positionFramesWithFlattening();
    else        
        positionFrames();

    RenderContainer::layout();

    computeEdgeInfo();

    if (doFullRepaint) {
        view()->repaintViewRectangle(oldBounds);
        IntRect newBounds = absoluteClippedOverflowRect();
        if (newBounds != oldBounds)
            view()->repaintViewRectangle(newBounds);
    }

    setNeedsLayout(false);
}
Esempio n. 25
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void ChromeClientImpl::scheduleAnimation(Widget* widget) {
  DCHECK(widget->isFrameView());
  FrameView* view = toFrameView(widget);
  LocalFrame* frame = view->frame().localFrameRoot();

  // If the frame is still being created, it might not yet have a WebWidget.
  // FIXME: Is this the right thing to do? Is there a way to avoid having
  // a local frame root that doesn't have a WebWidget? During initialization
  // there is no content to draw so this call serves no purpose.
  if (WebLocalFrameImpl::fromFrame(frame) &&
      WebLocalFrameImpl::fromFrame(frame)->frameWidget())
    WebLocalFrameImpl::fromFrame(frame)->frameWidget()->scheduleAnimation();
}
Esempio n. 26
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bool ScrollingCoordinator::coordinatesScrollingForFrameView(const FrameView& frameView) const
{
    ASSERT(isMainThread());
    ASSERT(m_page);

    if (!frameView.frame().isMainFrame() && !m_page->settings().scrollingTreeIncludesFrames())
        return false;

    RenderView* renderView = m_page->mainFrame().contentRenderer();
    if (!renderView)
        return false;
    return renderView->usesCompositing();
}
Esempio n. 27
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SynchronousScrollingReasons ScrollingCoordinator::synchronousScrollingReasons(const FrameView& frameView) const
{
    SynchronousScrollingReasons synchronousScrollingReasons = (SynchronousScrollingReasons)0;

    if (m_forceSynchronousScrollLayerPositionUpdates)
        synchronousScrollingReasons |= ForcedOnMainThread;
#if ENABLE(WEB_REPLAY)
    InputCursor& cursor = m_page->replayController().activeInputCursor();
    if (cursor.isCapturing() || cursor.isReplaying())
        synchronousScrollingReasons |= ForcedOnMainThread;
#endif
    if (frameView.hasSlowRepaintObjects())
        synchronousScrollingReasons |= HasSlowRepaintObjects;
    if (!supportsFixedPositionLayers() && frameView.hasViewportConstrainedObjects())
        synchronousScrollingReasons |= HasViewportConstrainedObjectsWithoutSupportingFixedLayers;
    if (supportsFixedPositionLayers() && hasVisibleSlowRepaintViewportConstrainedObjects(frameView))
        synchronousScrollingReasons |= HasNonLayerViewportConstrainedObjects;
    if (frameView.frame().mainFrame().document() && frameView.frame().document()->isImageDocument())
        synchronousScrollingReasons |= IsImageDocument;

    return synchronousScrollingReasons;
}
Esempio n. 28
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// Return a set of rectangles that should not be overdrawn by the
// plugin ("cutouts"). This helps implement the "iframe shim"
// technique of overlaying a windowed plugin with content from the
// page. In a nutshell, iframe elements should occlude plugins when
// they occur higher in the stacking order.
void getPluginOcclusions(Element* element, Widget* parentWidget, const IntRect& frameRect, Vector<IntRect>& occlusions)
{
    RenderObject* pluginNode = element->renderer();
    ASSERT(pluginNode);
    if (!pluginNode->style())
        return;
    Vector<const RenderObject*> pluginZstack;
    Vector<const RenderObject*> iframeZstack;
    getObjectStack(pluginNode, &pluginZstack);

    if (!parentWidget->isFrameView())
        return;

    FrameView* parentFrameView = toFrameView(parentWidget);

    // Occlusions by iframes.
    const FrameView::ChildrenWidgetSet* children = parentFrameView->children();
    for (FrameView::ChildrenWidgetSet::const_iterator it = children->begin(); it != children->end(); ++it) {
        // We only care about FrameView's because iframes show up as FrameViews.
        if (!(*it)->isFrameView())
            continue;

        const FrameView* frameView = toFrameView(it->get());
        // Check to make sure we can get both the element and the RenderObject
        // for this FrameView, if we can't just move on to the next object.
        // FIXME: Plugin occlusion by remote frames is probably broken.
        HTMLElement* element = frameView->frame().deprecatedLocalOwner();
        if (!element || !element->renderer())
            continue;

        RenderObject* iframeRenderer = element->renderer();

        if (isHTMLIFrameElement(*element) && intersectsRect(iframeRenderer, frameRect)) {
            getObjectStack(iframeRenderer, &iframeZstack);
            if (iframeIsAbovePlugin(iframeZstack, pluginZstack))
                addToOcclusions(toRenderBox(iframeRenderer), occlusions);
        }
    }

    // Occlusions by top layer elements.
    // FIXME: There's no handling yet for the interaction between top layer and
    // iframes. For example, a plugin in the top layer will be occluded by an
    // iframe. And a plugin inside an iframe in the top layer won't be respected
    // as being in the top layer.
    const Element* ancestor = topLayerAncestor(element);
    Document* document = parentFrameView->frame().document();
    const WillBeHeapVector<RefPtrWillBeMember<Element> >& elements = document->topLayerElements();
    size_t start = ancestor ? elements.find(ancestor) + 1 : 0;
    for (size_t i = start; i < elements.size(); ++i)
        addTreeToOcclusions(elements[i]->renderer(), frameRect, occlusions);
}
Esempio n. 29
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static WebWidgetClient* toWebWidgetClient(Widget* widget)
{
    if (!widget)
        return 0;

    FrameView* view;
    if (widget->isFrameView())
        view = static_cast<FrameView*>(widget);
    else if (widget->parent() && widget->parent()->isFrameView())
        view = static_cast<FrameView*>(widget->parent());
    else
        return 0;

    Page* page = view->frame() ? view->frame()->page() : 0;
    if (!page)
        return 0;

    void* webView = page->chrome()->client()->webView();
    if (!webView)
        return 0;

    return static_cast<WebViewImpl*>(webView)->client();
}
bool AsyncScrollingCoordinator::requestScrollPositionUpdate(FrameView& frameView, const IntPoint& scrollPosition)
{
    ASSERT(isMainThread());
    ASSERT(m_page);

    if (!coordinatesScrollingForFrameView(frameView))
        return false;

    bool isProgrammaticScroll = frameView.inProgrammaticScroll();
    if (isProgrammaticScroll || frameView.frame().document()->inPageCache())
        updateScrollPositionAfterAsyncScroll(frameView.scrollLayerID(), scrollPosition, isProgrammaticScroll, SetScrollingLayerPosition);

    // If this frame view's document is being put into the page cache, we don't want to update our
    // main frame scroll position. Just let the FrameView think that we did.
    if (frameView.frame().document()->inPageCache())
        return true;

    ScrollingStateScrollingNode* stateNode = downcast<ScrollingStateScrollingNode>(m_scrollingStateTree->stateNodeForID(frameView.scrollLayerID()));
    if (!stateNode)
        return false;

    stateNode->setRequestedScrollPosition(scrollPosition, isProgrammaticScroll);
    return true;
}