| /* |
| * Copyright (C) 2012-2016 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. |
| */ |
| |
| #pragma once |
| |
| #include "DrawingAreaProxy.h" |
| #include "RemoteLayerTreeHost.h" |
| #include "TransactionID.h" |
| #include <WebCore/FloatPoint.h> |
| #include <WebCore/IntPoint.h> |
| #include <WebCore/IntSize.h> |
| |
| OBJC_CLASS WKOneShotDisplayLinkHandler; |
| |
| namespace WebKit { |
| |
| class RemoteLayerTreeTransaction; |
| class RemoteScrollingCoordinatorTransaction; |
| |
| class RemoteLayerTreeDrawingAreaProxy final : public DrawingAreaProxy { |
| public: |
| RemoteLayerTreeDrawingAreaProxy(WebPageProxy&, WebProcessProxy&); |
| virtual ~RemoteLayerTreeDrawingAreaProxy(); |
| |
| const RemoteLayerTreeHost& remoteLayerTreeHost() const { return *m_remoteLayerTreeHost; } |
| std::unique_ptr<RemoteLayerTreeHost> detachRemoteLayerTreeHost(); |
| |
| void acceleratedAnimationDidStart(uint64_t layerID, const String& key, MonotonicTime startTime); |
| void acceleratedAnimationDidEnd(uint64_t layerID, const String& key); |
| |
| TransactionID nextLayerTreeTransactionID() const { return m_pendingLayerTreeTransactionID.next(); } |
| TransactionID lastCommittedLayerTreeTransactionID() const { return m_transactionIDForPendingCACommit; } |
| |
| void didRefreshDisplay(); |
| |
| bool hasDebugIndicator() const { return !!m_debugIndicatorLayerTreeHost; } |
| |
| bool isAlwaysOnLoggingAllowed() const; |
| |
| CALayer *layerWithIDForTesting(uint64_t) const; |
| |
| private: |
| void sizeDidChange() override; |
| void deviceScaleFactorDidChange() override; |
| void didUpdateGeometry() override; |
| |
| // For now, all callbacks are called before committing changes, because that's what the only client requires. |
| // Once we have other callbacks, it may make sense to have a before-commit/after-commit option. |
| void dispatchAfterEnsuringDrawing(WTF::Function<void (CallbackBase::Error)>&&) override; |
| |
| #if PLATFORM(MAC) |
| void setViewExposedRect(Optional<WebCore::FloatRect>) override; |
| #endif |
| |
| #if PLATFORM(IOS_FAMILY) |
| WKOneShotDisplayLinkHandler *displayLinkHandler(); |
| #endif |
| |
| float indicatorScale(WebCore::IntSize contentsSize) const; |
| void updateDebugIndicator() override; |
| void updateDebugIndicator(WebCore::IntSize contentsSize, bool rootLayerChanged, float scale, const WebCore::IntPoint& scrollPosition); |
| void updateDebugIndicatorPosition(); |
| void initializeDebugIndicator(); |
| |
| void waitForDidUpdateActivityState(ActivityStateChangeID) override; |
| void hideContentUntilPendingUpdate() override; |
| void hideContentUntilAnyUpdate() override; |
| bool hasVisibleContent() const override; |
| |
| void prepareForAppSuspension() final; |
| |
| WebCore::FloatPoint indicatorLocation() const; |
| |
| // IPC::MessageReceiver |
| void didReceiveMessage(IPC::Connection&, IPC::Decoder&) override; |
| |
| // Message handlers |
| void willCommitLayerTree(TransactionID); |
| void commitLayerTree(const RemoteLayerTreeTransaction&, const RemoteScrollingCoordinatorTransaction&); |
| |
| void sendUpdateGeometry(); |
| |
| std::unique_ptr<RemoteLayerTreeHost> m_remoteLayerTreeHost; |
| bool m_isWaitingForDidUpdateGeometry { false }; |
| enum DidUpdateMessageState { DoesNotNeedDidUpdate, NeedsDidUpdate, MissedCommit }; |
| DidUpdateMessageState m_didUpdateMessageState { DoesNotNeedDidUpdate }; |
| |
| WebCore::IntSize m_lastSentSize; |
| |
| std::unique_ptr<RemoteLayerTreeHost> m_debugIndicatorLayerTreeHost; |
| RetainPtr<CALayer> m_tileMapHostLayer; |
| RetainPtr<CALayer> m_exposedRectIndicatorLayer; |
| |
| TransactionID m_pendingLayerTreeTransactionID; |
| TransactionID m_lastVisibleTransactionID; |
| TransactionID m_transactionIDForPendingCACommit; |
| TransactionID m_transactionIDForUnhidingContent; |
| ActivityStateChangeID m_activityStateChangeID { ActivityStateChangeAsynchronous }; |
| |
| CallbackMap m_callbacks; |
| |
| RetainPtr<WKOneShotDisplayLinkHandler> m_displayLinkHandler; |
| }; |
| |
| } // namespace WebKit |
| |
| SPECIALIZE_TYPE_TRAITS_DRAWING_AREA_PROXY(RemoteLayerTreeDrawingAreaProxy, DrawingAreaTypeRemoteLayerTree) |