void TiledDrawingAreaProxy::paint(const IntRect& rect, PlatformDrawingContext context)
{
if (m_isWaitingForDidSetFrameNotification) {
WebPageProxy* page = this->page();
if (!page->isValid())
return;
if (page->process()->isLaunching())
return;
}
adjustVisibleRect();
GraphicsContext gc(context);
gc.save();
// Assumes the backing store is painted with the scale transform applied.
// Since tile content is already scaled, first revert the scaling from the painter.
gc.scale(FloatSize(1 / m_contentsScale, 1 / m_contentsScale));
IntRect dirtyRect = mapFromContents(rect);
TiledDrawingAreaTile::Coordinate topLeft = tileCoordinateForPoint(dirtyRect.topLeft());
TiledDrawingAreaTile::Coordinate bottomRight = tileCoordinateForPoint(dirtyRect.bottomRight());
for (unsigned yCoordinate = topLeft.y(); yCoordinate <= bottomRight.y(); ++yCoordinate) {
for (unsigned xCoordinate = topLeft.x(); xCoordinate <= bottomRight.x(); ++xCoordinate) {
TiledDrawingAreaTile::Coordinate currentCoordinate(xCoordinate, yCoordinate);
RefPtr<TiledDrawingAreaTile> currentTile = tileAt(currentCoordinate);
if (currentTile && currentTile->isReadyToPaint())
currentTile->paint(&gc, dirtyRect);
}
}
gc.restore();
}
void ChunkedUpdateDrawingAreaProxy::paint(const IntRect& rect, PlatformDrawingContext context)
{
if (m_isWaitingForDidSetFrameNotification) {
WebPageProxy* page = this->page();
if (!page->isValid())
return;
std::auto_ptr<CoreIPC::ArgumentDecoder> arguments = page->process()->connection()->waitFor(DrawingAreaProxyMessage::DidSetSize, page->pageID(), 0.04);
if (arguments.get())
didReceiveMessage(page->process()->connection(), CoreIPC::MessageID(DrawingAreaProxyMessage::DidSetSize), *arguments.get());
}
platformPaint(rect, context);
}
void ChunkedUpdateDrawingAreaProxy::setSize(const IntSize& viewSize)
{
WebPageProxy* page = this->page();
if (!page->isValid())
return;
if (viewSize.isEmpty())
return;
m_viewSize = viewSize;
m_lastSetViewSize = viewSize;
if (m_isWaitingForDidSetFrameNotification)
return;
m_isWaitingForDidSetFrameNotification = true;
page->process()->responsivenessTimer()->start();
page->process()->send(DrawingAreaMessage::SetSize, page->pageID(), CoreIPC::In(id(), viewSize));
}
void TiledDrawingAreaProxy::sizeDidChange()
{
WebPageProxy* page = this->page();
if (!page || !page->isValid())
return;
if (m_size.isEmpty())
return;
m_viewSize = m_size;
m_lastSetViewSize = m_size;
if (m_isWaitingForDidSetFrameNotification)
return;
m_isWaitingForDidSetFrameNotification = true;
page->process()->responsivenessTimer()->start();
page->process()->send(DrawingAreaLegacyMessage::SetSize, page->pageID(), CoreIPC::In(m_size));
}
void LayerBackedDrawingAreaProxy::sizeDidChange()
{
WebPageProxy* page = this->page();
if (!page->isValid())
return;
if (m_size.isEmpty())
return;
m_lastSetViewSize = m_size;
platformSetSize();
if (m_isWaitingForDidSetFrameNotification)
return;
m_isWaitingForDidSetFrameNotification = true;
page->process()->send(DrawingAreaLegacyMessage::SetSize, page->pageID(), CoreIPC::In(info().identifier, m_size));
}
void ChunkedUpdateDrawingAreaProxy::setPageIsVisible(bool isVisible)
{
WebPageProxy* page = this->page();
if (isVisible == m_isVisible)
return;
m_isVisible = isVisible;
if (!page->isValid())
return;
if (!m_isVisible) {
// Tell the web process that it doesn't need to paint anything for now.
page->process()->send(DrawingAreaMessage::SuspendPainting, page->pageID(), CoreIPC::In(id()));
return;
}
// The page is now visible, resume painting.
page->process()->send(DrawingAreaMessage::ResumePainting, page->pageID(), CoreIPC::In(id(), m_forceRepaintWhenResumingPainting));
m_forceRepaintWhenResumingPainting = false;
}
void LayerBackedDrawingAreaProxy::setPageIsVisible(bool isVisible)
{
WebPageProxy* page = this->page();
if (isVisible == m_isVisible)
return;
m_isVisible = isVisible;
if (!page->isValid())
return;
if (!m_isVisible) {
// Tell the web process that it doesn't need to paint anything for now.
page->process()->send(DrawingAreaLegacyMessage::SuspendPainting, page->pageID(), CoreIPC::In(info().identifier));
return;
}
// The page is now visible.
page->process()->send(DrawingAreaLegacyMessage::ResumePainting, page->pageID(), CoreIPC::In(info().identifier));
// FIXME: We should request a full repaint here if needed.
}