DrawingAreaProxy.cpp [plain text]
#include "config.h"
#include "DrawingAreaProxy.h"
#include "DrawingAreaMessages.h"
#include "DrawingAreaProxyMessages.h"
#include "WebPageProxy.h"
#include "WebProcessProxy.h"
#if PLATFORM(COCOA)
#include <wtf/MachSendRight.h>
#endif
namespace WebKit {
using namespace WebCore;
DrawingAreaProxy::DrawingAreaProxy(DrawingAreaType type, WebPageProxy& webPageProxy, WebProcessProxy& process)
: m_type(type)
, m_identifier(DrawingAreaIdentifier::generate())
, m_webPageProxy(webPageProxy)
, m_process(makeRef(process))
, m_size(webPageProxy.viewSize())
#if PLATFORM(MAC)
, m_viewExposedRectChangedTimer(RunLoop::main(), this, &DrawingAreaProxy::viewExposedRectChangedTimerFired)
#endif
{
}
DrawingAreaProxy::~DrawingAreaProxy()
{
if (m_startedReceivingMessages)
process().removeMessageReceiver(Messages::DrawingAreaProxy::messageReceiverName(), m_identifier);
}
void DrawingAreaProxy::startReceivingMessages()
{
m_startedReceivingMessages = true;
process().addMessageReceiver(Messages::DrawingAreaProxy::messageReceiverName(), m_identifier, *this);
}
bool DrawingAreaProxy::setSize(const IntSize& size, const IntSize& scrollDelta)
{
if (m_size == size && scrollDelta.isZero())
return false;
m_size = size;
m_scrollOffset += scrollDelta;
sizeDidChange();
return true;
}
#if PLATFORM(COCOA)
MachSendRight DrawingAreaProxy::createFence()
{
return MachSendRight();
}
#endif
IPC::Connection* DrawingAreaProxy::messageSenderConnection() const
{
return process().connection();
}
bool DrawingAreaProxy::sendMessage(std::unique_ptr<IPC::Encoder> encoder, OptionSet<IPC::SendOption> sendOptions, Optional<std::pair<CompletionHandler<void(IPC::Decoder*)>, uint64_t>>&& asyncReplyInfo)
{
return process().sendMessage(WTFMove(encoder), sendOptions, WTFMove(asyncReplyInfo));
}
#if PLATFORM(MAC)
void DrawingAreaProxy::didChangeViewExposedRect()
{
if (!m_webPageProxy.hasRunningProcess())
return;
if (!m_viewExposedRectChangedTimer.isActive())
m_viewExposedRectChangedTimer.startOneShot(0_s);
}
void DrawingAreaProxy::viewExposedRectChangedTimerFired()
{
if (!m_webPageProxy.hasRunningProcess())
return;
auto viewExposedRect = m_webPageProxy.viewExposedRect();
if (viewExposedRect == m_lastSentViewExposedRect)
return;
send(Messages::DrawingArea::SetViewExposedRect(viewExposedRect));
m_lastSentViewExposedRect = viewExposedRect;
}
#endif // PLATFORM(MAC)
}