118 lines
3.8 KiB
C++
118 lines
3.8 KiB
C++
/*
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* Copyright (C) 2010-2018 Apple Inc. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS''
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* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
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* THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS
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* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
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* THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#include "config.h"
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#include "DrawingAreaProxy.h"
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#include "DrawingAreaMessages.h"
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#include "DrawingAreaProxyMessages.h"
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#include "WebPageProxy.h"
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#include "WebProcessProxy.h"
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#if PLATFORM(COCOA)
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#include <wtf/MachSendRight.h>
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#endif
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namespace WebKit {
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using namespace WebCore;
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DrawingAreaProxy::DrawingAreaProxy(DrawingAreaType type, WebPageProxy& webPageProxy, WebProcessProxy& process)
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: m_type(type)
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, m_identifier(DrawingAreaIdentifier::generate())
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, m_webPageProxy(webPageProxy)
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, m_process(makeRef(process))
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, m_size(webPageProxy.viewSize())
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#if PLATFORM(MAC)
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, m_viewExposedRectChangedTimer(RunLoop::main(), this, &DrawingAreaProxy::viewExposedRectChangedTimerFired)
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#endif
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{
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}
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DrawingAreaProxy::~DrawingAreaProxy()
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{
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if (m_startedReceivingMessages)
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process().removeMessageReceiver(Messages::DrawingAreaProxy::messageReceiverName(), m_identifier);
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}
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void DrawingAreaProxy::startReceivingMessages()
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{
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m_startedReceivingMessages = true;
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process().addMessageReceiver(Messages::DrawingAreaProxy::messageReceiverName(), m_identifier, *this);
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}
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bool DrawingAreaProxy::setSize(const IntSize& size, const IntSize& scrollDelta)
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{
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if (m_size == size && scrollDelta.isZero())
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return false;
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m_size = size;
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m_scrollOffset += scrollDelta;
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sizeDidChange();
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return true;
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}
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#if PLATFORM(COCOA)
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MachSendRight DrawingAreaProxy::createFence()
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{
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return MachSendRight();
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}
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#endif
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IPC::Connection* DrawingAreaProxy::messageSenderConnection() const
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{
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return process().connection();
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}
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bool DrawingAreaProxy::sendMessage(UniqueRef<IPC::Encoder>&& encoder, OptionSet<IPC::SendOption> sendOptions, std::optional<std::pair<CompletionHandler<void(IPC::Decoder*)>, uint64_t>>&& asyncReplyInfo)
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{
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return process().sendMessage(WTFMove(encoder), sendOptions, WTFMove(asyncReplyInfo));
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}
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#if PLATFORM(MAC)
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void DrawingAreaProxy::didChangeViewExposedRect()
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{
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if (!m_webPageProxy.hasRunningProcess())
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return;
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if (!m_viewExposedRectChangedTimer.isActive())
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m_viewExposedRectChangedTimer.startOneShot(0_s);
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}
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void DrawingAreaProxy::viewExposedRectChangedTimerFired()
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{
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if (!m_webPageProxy.hasRunningProcess())
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return;
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auto viewExposedRect = m_webPageProxy.viewExposedRect();
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if (viewExposedRect == m_lastSentViewExposedRect)
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return;
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send(Messages::DrawingArea::SetViewExposedRect(viewExposedRect));
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m_lastSentViewExposedRect = viewExposedRect;
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}
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#endif // PLATFORM(MAC)
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} // namespace WebKit
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