| /* |
| * Copyright (C) 2010-2018 Apple Inc. All rights reserved. |
| * |
| * Redistribution and use in source and binary forms, with or without |
| * modification, are permitted provided that the following conditions |
| * are met: |
| * 1. Redistributions of source code must retain the above copyright |
| * notice, this list of conditions and the following disclaimer. |
| * 2. Redistributions in binary form must reproduce the above copyright |
| * notice, this list of conditions and the following disclaimer in the |
| * documentation and/or other materials provided with the distribution. |
| * |
| * THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS'' |
| * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, |
| * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR |
| * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS |
| * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR |
| * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF |
| * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS |
| * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN |
| * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) |
| * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF |
| * THE POSSIBILITY OF SUCH DAMAGE. |
| */ |
| |
| #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 |
| { |
| process.addMessageReceiver(Messages::DrawingAreaProxy::messageReceiverName(), m_identifier, *this); |
| } |
| |
| DrawingAreaProxy::~DrawingAreaProxy() |
| { |
| process().removeMessageReceiver(Messages::DrawingAreaProxy::messageReceiverName(), m_identifier); |
| } |
| |
| 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) |
| { |
| return process().sendMessage(WTFMove(encoder), sendOptions); |
| } |
| |
| #if PLATFORM(MAC) |
| void DrawingAreaProxy::setViewExposedRect(Optional<WebCore::FloatRect> viewExposedRect) |
| { |
| if (!m_webPageProxy.hasRunningProcess()) |
| return; |
| |
| m_viewExposedRect = viewExposedRect; |
| |
| if (!m_viewExposedRectChangedTimer.isActive()) |
| m_viewExposedRectChangedTimer.startOneShot(0_s); |
| } |
| |
| void DrawingAreaProxy::viewExposedRectChangedTimerFired() |
| { |
| if (!m_webPageProxy.hasRunningProcess()) |
| return; |
| |
| if (m_viewExposedRect == m_lastSentViewExposedRect) |
| return; |
| |
| send(Messages::DrawingArea::SetViewExposedRect(m_viewExposedRect)); |
| m_lastSentViewExposedRect = m_viewExposedRect; |
| } |
| #endif // PLATFORM(MAC) |
| |
| } // namespace WebKit |