C++ (Cpp) FrameView::hasSlowRepaintObjects示例

示例#1

void ScrollingCoordinator::updateShouldUpdateScrollLayerPositionOnMainThread()
{
    FrameView* frameView = m_page->mainFrame()->view();

    // FIXME: Having fixed objects on the page should not trigger the slow path.
    setShouldUpdateScrollLayerPositionOnMainThread(frameView->hasSlowRepaintObjects() || frameView->hasFixedObjects());
}

示例#2

void ScrollingCoordinator::updateShouldUpdateScrollLayerPositionOnMainThread()
{
    FrameView* frameView = m_page->mainFrame()->view();

    // FIXME: Having fixed objects on the page should not trigger the slow path.
    bool shouldUpdateScrollLayerPositionOnMainThread = frameView->hasSlowRepaintObjects() || frameView->hasFixedObjects();

    m_scrollingTreeState->setShouldUpdateScrollLayerPositionOnMainThread(shouldUpdateScrollLayerPositionOnMainThread);
    scheduleTreeStateCommit();
}

示例#3

MainThreadScrollingReasons ScrollingCoordinator::mainThreadScrollingReasons() const
{
    FrameView* frameView = m_page->mainFrame()->view();

    MainThreadScrollingReasons mainThreadScrollingReasons = (MainThreadScrollingReasons)0;

    if (m_forceMainThreadScrollLayerPositionUpdates)
        mainThreadScrollingReasons |= ForcedOnMainThread;
    if (frameView->hasSlowRepaintObjects())
        mainThreadScrollingReasons |= HasSlowRepaintObjects;
    if (!supportsFixedPositionLayers() && frameView->hasViewportConstrainedObjects())
        mainThreadScrollingReasons |= HasViewportConstrainedObjectsWithoutSupportingFixedLayers;
    if (supportsFixedPositionLayers() && hasNonLayerFixedObjects(frameView))
        mainThreadScrollingReasons |= HasNonLayerFixedObjects;
    if (m_page->mainFrame()->document()->isImageDocument())
        mainThreadScrollingReasons |= IsImageDocument;

    return mainThreadScrollingReasons;
}

示例#4

文件： ScrollingCoordinator.cpp 项目： highweb-project/qplusweb

SynchronousScrollingReasons ScrollingCoordinator::synchronousScrollingReasons() const
{
    FrameView* frameView = m_page->mainFrame().view();
    if (!frameView)
        return static_cast<SynchronousScrollingReasons>(0);

    SynchronousScrollingReasons synchronousScrollingReasons = (SynchronousScrollingReasons)0;

    if (m_forceSynchronousScrollLayerPositionUpdates)
        synchronousScrollingReasons |= ForcedOnMainThread;
    if (frameView->hasSlowRepaintObjects())
        synchronousScrollingReasons |= HasSlowRepaintObjects;
    if (!supportsFixedPositionLayers() && frameView->hasViewportConstrainedObjects())
        synchronousScrollingReasons |= HasViewportConstrainedObjectsWithoutSupportingFixedLayers;
    if (supportsFixedPositionLayers() && hasVisibleSlowRepaintViewportConstrainedObjects(frameView))
        synchronousScrollingReasons |= HasNonLayerViewportConstrainedObjects;
    if (m_page->mainFrame().document() && m_page->mainFrame().document()->isImageDocument())
        synchronousScrollingReasons |= IsImageDocument;

    return synchronousScrollingReasons;
}

示例#5

文件： ScrollingCoordinator.cpp 项目： quanmo/webkit

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;
}