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Diffstat (limited to '')
| -rw-r--r-- | gfx/layers/ipc/LayersMessageUtils.h | 1156 |
1 files changed, 1156 insertions, 0 deletions
diff --git a/gfx/layers/ipc/LayersMessageUtils.h b/gfx/layers/ipc/LayersMessageUtils.h new file mode 100644 index 0000000000..df421f79a6 --- /dev/null +++ b/gfx/layers/ipc/LayersMessageUtils.h @@ -0,0 +1,1156 @@ +/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */ +/* vim: set ts=8 sts=2 et sw=2 tw=80: */ +/* This Source Code Form is subject to the terms of the Mozilla Public + * License, v. 2.0. If a copy of the MPL was not distributed with this + * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ + +#ifndef mozilla_layers_LayersMessageUtils +#define mozilla_layers_LayersMessageUtils + +#include <stdint.h> + +#include <utility> + +#include "FrameMetrics.h" +#include "VsyncSource.h" +#include "chrome/common/ipc_message_utils.h" +#include "ipc/EnumSerializer.h" +#include "ipc/IPCMessageUtils.h" +#include "mozilla/MotionPathUtils.h" +#include "mozilla/ServoBindings.h" +#include "mozilla/ipc/ByteBuf.h" +#include "mozilla/layers/APZInputBridge.h" +#include "mozilla/layers/AsyncDragMetrics.h" +#include "mozilla/layers/CompositorOptions.h" +#include "mozilla/layers/CompositorTypes.h" +#include "mozilla/layers/FocusTarget.h" +#include "mozilla/layers/GeckoContentControllerTypes.h" +#include "mozilla/layers/KeyboardMap.h" +#include "mozilla/layers/LayersTypes.h" +#include "mozilla/layers/MatrixMessage.h" +#include "mozilla/layers/OverlayInfo.h" +#include "mozilla/layers/RepaintRequest.h" +#include "mozilla/layers/ScrollbarData.h" +#include "nsSize.h" +#include "mozilla/layers/DoubleTapToZoom.h" + +// For ParamTraits, could be moved to cpp file +#include "ipc/nsGUIEventIPC.h" +#include "mozilla/GfxMessageUtils.h" +#include "mozilla/ipc/ByteBufUtils.h" + +#ifdef _MSC_VER +# pragma warning(disable : 4800) +#endif + +namespace IPC { + +template <> +struct ParamTraits<mozilla::layers::LayersId> + : public PlainOldDataSerializer<mozilla::layers::LayersId> {}; + +template <typename T> +struct ParamTraits<mozilla::layers::BaseTransactionId<T>> + : public PlainOldDataSerializer<mozilla::layers::BaseTransactionId<T>> {}; + +template <> +struct ParamTraits<mozilla::VsyncId> + : public PlainOldDataSerializer<mozilla::VsyncId> {}; + +template <> +struct ParamTraits<mozilla::VsyncEvent> { + typedef mozilla::VsyncEvent paramType; + + static void Write(MessageWriter* writer, const paramType& param) { + WriteParam(writer, param.mId); + WriteParam(writer, param.mTime); + WriteParam(writer, param.mOutputTime); + } + static bool Read(MessageReader* reader, paramType* result) { + return ReadParam(reader, &result->mId) && + ReadParam(reader, &result->mTime) && + ReadParam(reader, &result->mOutputTime); + } +}; + +template <> +struct ParamTraits<mozilla::layers::MatrixMessage> { + typedef mozilla::layers::MatrixMessage paramType; + + static void Write(MessageWriter* aWriter, const paramType& aParam) { + WriteParam(aWriter, aParam.mMatrix); + WriteParam(aWriter, aParam.mTopLevelViewportVisibleRectInBrowserCoords); + WriteParam(aWriter, aParam.mLayersId); + } + static bool Read(MessageReader* aReader, paramType* aResult) { + return ReadParam(aReader, &aResult->mMatrix) && + ReadParam(aReader, + &aResult->mTopLevelViewportVisibleRectInBrowserCoords) && + ReadParam(aReader, &aResult->mLayersId); + } +}; + +template <> +struct ParamTraits<mozilla::layers::LayersObserverEpoch> + : public PlainOldDataSerializer<mozilla::layers::LayersObserverEpoch> {}; + +template <> +struct ParamTraits<mozilla::layers::WindowKind> + : public ContiguousEnumSerializer<mozilla::layers::WindowKind, + mozilla::layers::WindowKind::MAIN, + mozilla::layers::WindowKind::LAST> {}; + +template <> +struct ParamTraits<mozilla::layers::LayersBackend> + : public ContiguousEnumSerializer< + mozilla::layers::LayersBackend, + mozilla::layers::LayersBackend::LAYERS_NONE, + mozilla::layers::LayersBackend::LAYERS_LAST> {}; + +template <> +struct ParamTraits<mozilla::layers::WebRenderBackend> + : public ContiguousEnumSerializer< + mozilla::layers::WebRenderBackend, + mozilla::layers::WebRenderBackend::HARDWARE, + mozilla::layers::WebRenderBackend::LAST> {}; + +template <> +struct ParamTraits<mozilla::layers::WebRenderCompositor> + : public ContiguousEnumSerializer< + mozilla::layers::WebRenderCompositor, + mozilla::layers::WebRenderCompositor::DRAW, + mozilla::layers::WebRenderCompositor::LAST> {}; + +template <> +struct ParamTraits<mozilla::layers::TextureType> + : public ContiguousEnumSerializer<mozilla::layers::TextureType, + mozilla::layers::TextureType::Unknown, + mozilla::layers::TextureType::Last> {}; + +template <> +struct ParamTraits<mozilla::layers::ScaleMode> + : public ContiguousEnumSerializerInclusive< + mozilla::layers::ScaleMode, mozilla::layers::ScaleMode::SCALE_NONE, + mozilla::layers::kHighestScaleMode> {}; + +template <> +struct ParamTraits<mozilla::StyleScrollSnapStrictness> + : public ContiguousEnumSerializerInclusive< + mozilla::StyleScrollSnapStrictness, + mozilla::StyleScrollSnapStrictness::None, + mozilla::StyleScrollSnapStrictness::Proximity> {}; + +template <> +struct ParamTraits<mozilla::layers::TextureFlags> + : public BitFlagsEnumSerializer<mozilla::layers::TextureFlags, + mozilla::layers::TextureFlags::ALL_BITS> {}; + +template <> +struct ParamTraits<mozilla::layers::DiagnosticTypes> + : public BitFlagsEnumSerializer< + mozilla::layers::DiagnosticTypes, + mozilla::layers::DiagnosticTypes::ALL_BITS> {}; + +template <> +struct ParamTraits<mozilla::layers::ScrollDirection> + : public ContiguousEnumSerializerInclusive< + mozilla::layers::ScrollDirection, + mozilla::layers::ScrollDirection::eVertical, + mozilla::layers::kHighestScrollDirection> {}; + +template <> +struct ParamTraits<mozilla::layers::FrameMetrics::ScrollOffsetUpdateType> + : public ContiguousEnumSerializerInclusive< + mozilla::layers::FrameMetrics::ScrollOffsetUpdateType, + mozilla::layers::FrameMetrics::ScrollOffsetUpdateType::eNone, + mozilla::layers::FrameMetrics::sHighestScrollOffsetUpdateType> {}; + +template <> +struct ParamTraits<mozilla::layers::RepaintRequest::ScrollOffsetUpdateType> + : public ContiguousEnumSerializerInclusive< + mozilla::layers::RepaintRequest::ScrollOffsetUpdateType, + mozilla::layers::RepaintRequest::ScrollOffsetUpdateType::eNone, + mozilla::layers::RepaintRequest::sHighestScrollOffsetUpdateType> {}; + +template <> +struct ParamTraits<mozilla::layers::OverscrollBehavior> + : public ContiguousEnumSerializerInclusive< + mozilla::layers::OverscrollBehavior, + mozilla::layers::OverscrollBehavior::Auto, + mozilla::layers::kHighestOverscrollBehavior> {}; + +template <> +struct ParamTraits<mozilla::layers::LayerHandle> { + typedef mozilla::layers::LayerHandle paramType; + + static void Write(MessageWriter* writer, const paramType& param) { + WriteParam(writer, param.mHandle); + } + static bool Read(MessageReader* reader, paramType* result) { + return ReadParam(reader, &result->mHandle); + } +}; + +template <> +struct ParamTraits<mozilla::layers::CompositableHandle> { + typedef mozilla::layers::CompositableHandle paramType; + + static void Write(MessageWriter* writer, const paramType& param) { + WriteParam(writer, param.mHandle); + } + static bool Read(MessageReader* reader, paramType* result) { + return ReadParam(reader, &result->mHandle); + } +}; + +template <> +struct ParamTraits<mozilla::layers::CompositableHandleOwner> + : public ContiguousEnumSerializerInclusive< + mozilla::layers::CompositableHandleOwner, + mozilla::layers::CompositableHandleOwner::WebRenderBridge, + mozilla::layers::CompositableHandleOwner::ImageBridge> {}; + +template <> +struct ParamTraits<mozilla::layers::RemoteTextureId> { + typedef mozilla::layers::RemoteTextureId paramType; + + static void Write(MessageWriter* writer, const paramType& param) { + WriteParam(writer, param.mId); + } + static bool Read(MessageReader* reader, paramType* result) { + return ReadParam(reader, &result->mId); + } +}; + +template <> +struct ParamTraits<mozilla::layers::RemoteTextureOwnerId> { + typedef mozilla::layers::RemoteTextureOwnerId paramType; + + static void Write(MessageWriter* writer, const paramType& param) { + WriteParam(writer, param.mId); + } + static bool Read(MessageReader* reader, paramType* result) { + return ReadParam(reader, &result->mId); + } +}; + +template <> +struct ParamTraits<mozilla::layers::GpuProcessTextureId> { + typedef mozilla::layers::GpuProcessTextureId paramType; + + static void Write(MessageWriter* writer, const paramType& param) { + WriteParam(writer, param.mId); + } + static bool Read(MessageReader* reader, paramType* result) { + return ReadParam(reader, &result->mId); + } +}; + +template <> +struct ParamTraits<mozilla::layers::FrameMetrics> + : BitfieldHelper<mozilla::layers::FrameMetrics> { + typedef mozilla::layers::FrameMetrics paramType; + + static void Write(MessageWriter* aWriter, const paramType& aParam) { + WriteParam(aWriter, aParam.mScrollId); + WriteParam(aWriter, aParam.mPresShellResolution); + WriteParam(aWriter, aParam.mCompositionBounds); + WriteParam(aWriter, aParam.mCompositionBoundsWidthIgnoringScrollbars); + WriteParam(aWriter, aParam.mDisplayPort); + WriteParam(aWriter, aParam.mScrollableRect); + WriteParam(aWriter, aParam.mCumulativeResolution); + WriteParam(aWriter, aParam.mDevPixelsPerCSSPixel); + WriteParam(aWriter, aParam.mScrollOffset); + WriteParam(aWriter, aParam.mZoom); + WriteParam(aWriter, aParam.mScrollGeneration); + WriteParam(aWriter, aParam.mBoundingCompositionSize); + WriteParam(aWriter, aParam.mPresShellId); + WriteParam(aWriter, aParam.mLayoutViewport); + WriteParam(aWriter, aParam.mTransformToAncestorScale); + WriteParam(aWriter, aParam.mPaintRequestTime); + WriteParam(aWriter, aParam.mVisualDestination); + WriteParam(aWriter, aParam.mVisualScrollUpdateType); + WriteParam(aWriter, aParam.mFixedLayerMargins); + WriteParam(aWriter, aParam.mCompositionSizeWithoutDynamicToolbar); + WriteParam(aWriter, aParam.mIsRootContent); + WriteParam(aWriter, aParam.mIsScrollInfoLayer); + WriteParam(aWriter, aParam.mHasNonZeroDisplayPortMargins); + WriteParam(aWriter, aParam.mMinimalDisplayPort); + } + + static bool Read(MessageReader* aReader, paramType* aResult) { + return ( + ReadParam(aReader, &aResult->mScrollId) && + ReadParam(aReader, &aResult->mPresShellResolution) && + ReadParam(aReader, &aResult->mCompositionBounds) && + ReadParam(aReader, + &aResult->mCompositionBoundsWidthIgnoringScrollbars) && + ReadParam(aReader, &aResult->mDisplayPort) && + ReadParam(aReader, &aResult->mScrollableRect) && + ReadParam(aReader, &aResult->mCumulativeResolution) && + ReadParam(aReader, &aResult->mDevPixelsPerCSSPixel) && + ReadParam(aReader, &aResult->mScrollOffset) && + ReadParam(aReader, &aResult->mZoom) && + ReadParam(aReader, &aResult->mScrollGeneration) && + ReadParam(aReader, &aResult->mBoundingCompositionSize) && + ReadParam(aReader, &aResult->mPresShellId) && + ReadParam(aReader, &aResult->mLayoutViewport) && + ReadParam(aReader, &aResult->mTransformToAncestorScale) && + ReadParam(aReader, &aResult->mPaintRequestTime) && + ReadParam(aReader, &aResult->mVisualDestination) && + ReadParam(aReader, &aResult->mVisualScrollUpdateType) && + ReadParam(aReader, &aResult->mFixedLayerMargins) && + ReadParam(aReader, &aResult->mCompositionSizeWithoutDynamicToolbar) && + ReadBoolForBitfield(aReader, aResult, ¶mType::SetIsRootContent) && + ReadBoolForBitfield(aReader, aResult, + ¶mType::SetIsScrollInfoLayer) && + ReadBoolForBitfield(aReader, aResult, + ¶mType::SetHasNonZeroDisplayPortMargins) && + ReadBoolForBitfield(aReader, aResult, + ¶mType::SetMinimalDisplayPort)); + } +}; + +template <> +struct ParamTraits<mozilla::APZScrollAnimationType> + : public ContiguousEnumSerializerInclusive< + mozilla::APZScrollAnimationType, mozilla::APZScrollAnimationType::No, + mozilla::APZScrollAnimationType::TriggeredByUserInput> {}; + +template <> +struct ParamTraits<mozilla::ScrollSnapTargetIds> { + typedef mozilla::ScrollSnapTargetIds paramType; + + static void Write(MessageWriter* aWriter, const paramType& aParam) { + WriteParam(aWriter, aParam.mIdsOnX); + WriteParam(aWriter, aParam.mIdsOnY); + } + + static bool Read(MessageReader* aReader, paramType* aResult) { + return ReadParam(aReader, &aResult->mIdsOnX) && + ReadParam(aReader, &aResult->mIdsOnY); + } +}; + +template <> +struct ParamTraits<mozilla::layers::RepaintRequest> + : BitfieldHelper<mozilla::layers::RepaintRequest> { + typedef mozilla::layers::RepaintRequest paramType; + + static void Write(MessageWriter* aWriter, const paramType& aParam) { + WriteParam(aWriter, aParam.mScrollId); + WriteParam(aWriter, aParam.mPresShellResolution); + WriteParam(aWriter, aParam.mCompositionBounds); + WriteParam(aWriter, aParam.mCumulativeResolution); + WriteParam(aWriter, aParam.mDevPixelsPerCSSPixel); + WriteParam(aWriter, aParam.mScrollOffset); + WriteParam(aWriter, aParam.mZoom); + WriteParam(aWriter, aParam.mScrollGeneration); + WriteParam(aWriter, aParam.mScrollGenerationOnApz); + WriteParam(aWriter, aParam.mDisplayPortMargins); + WriteParam(aWriter, aParam.mPresShellId); + WriteParam(aWriter, aParam.mLayoutViewport); + WriteParam(aWriter, aParam.mTransformToAncestorScale); + WriteParam(aWriter, aParam.mPaintRequestTime); + WriteParam(aWriter, aParam.mScrollUpdateType); + WriteParam(aWriter, aParam.mScrollAnimationType); + WriteParam(aWriter, aParam.mLastSnapTargetIds); + WriteParam(aWriter, aParam.mIsRootContent); + WriteParam(aWriter, aParam.mIsScrollInfoLayer); + WriteParam(aWriter, aParam.mIsInScrollingGesture); + } + + static bool Read(MessageReader* aReader, paramType* aResult) { + return ( + ReadParam(aReader, &aResult->mScrollId) && + ReadParam(aReader, &aResult->mPresShellResolution) && + ReadParam(aReader, &aResult->mCompositionBounds) && + ReadParam(aReader, &aResult->mCumulativeResolution) && + ReadParam(aReader, &aResult->mDevPixelsPerCSSPixel) && + ReadParam(aReader, &aResult->mScrollOffset) && + ReadParam(aReader, &aResult->mZoom) && + ReadParam(aReader, &aResult->mScrollGeneration) && + ReadParam(aReader, &aResult->mScrollGenerationOnApz) && + ReadParam(aReader, &aResult->mDisplayPortMargins) && + ReadParam(aReader, &aResult->mPresShellId) && + ReadParam(aReader, &aResult->mLayoutViewport) && + ReadParam(aReader, &aResult->mTransformToAncestorScale) && + ReadParam(aReader, &aResult->mPaintRequestTime) && + ReadParam(aReader, &aResult->mScrollUpdateType) && + ReadParam(aReader, &aResult->mScrollAnimationType) && + ReadParam(aReader, &aResult->mLastSnapTargetIds) && + ReadBoolForBitfield(aReader, aResult, ¶mType::SetIsRootContent) && + ReadBoolForBitfield(aReader, aResult, + ¶mType::SetIsScrollInfoLayer) && + ReadBoolForBitfield(aReader, aResult, + ¶mType::SetIsInScrollingGesture)); + } +}; + +template <> +struct ParamTraits<nsSize> { + typedef nsSize paramType; + + static void Write(MessageWriter* aWriter, const paramType& aParam) { + WriteParam(aWriter, aParam.width); + WriteParam(aWriter, aParam.height); + } + + static bool Read(MessageReader* aReader, paramType* aResult) { + return ReadParam(aReader, &aResult->width) && + ReadParam(aReader, &aResult->height); + } +}; + +template <> +struct ParamTraits<mozilla::StyleScrollSnapStop> + : public ContiguousEnumSerializerInclusive< + mozilla::StyleScrollSnapStop, mozilla::StyleScrollSnapStop::Normal, + mozilla::StyleScrollSnapStop::Always> {}; + +template <> +struct ParamTraits<mozilla::ScrollSnapTargetId> + : public PlainOldDataSerializer<mozilla::ScrollSnapTargetId> {}; + +template <> +struct ParamTraits<mozilla::layers::ScrollSnapInfo::SnapTarget> { + typedef mozilla::layers::ScrollSnapInfo::SnapTarget paramType; + + static void Write(MessageWriter* aWriter, const paramType& aParam) { + WriteParam(aWriter, aParam.mSnapPositionX); + WriteParam(aWriter, aParam.mSnapPositionY); + WriteParam(aWriter, aParam.mSnapArea); + WriteParam(aWriter, aParam.mScrollSnapStop); + WriteParam(aWriter, aParam.mTargetId); + } + + static bool Read(MessageReader* aReader, paramType* aResult) { + return ReadParam(aReader, &aResult->mSnapPositionX) && + ReadParam(aReader, &aResult->mSnapPositionY) && + ReadParam(aReader, &aResult->mSnapArea) && + ReadParam(aReader, &aResult->mScrollSnapStop) && + ReadParam(aReader, &aResult->mTargetId); + } +}; + +template <> +struct ParamTraits<mozilla::layers::ScrollSnapInfo::ScrollSnapRange> { + typedef mozilla::layers::ScrollSnapInfo::ScrollSnapRange paramType; + + static void Write(MessageWriter* aWriter, const paramType& aParam) { + WriteParam(aWriter, aParam.mStart); + WriteParam(aWriter, aParam.mEnd); + WriteParam(aWriter, aParam.mTargetId); + } + + static bool Read(MessageReader* aReader, paramType* aResult) { + return ReadParam(aReader, &aResult->mStart) && + ReadParam(aReader, &aResult->mEnd) && + ReadParam(aReader, &aResult->mTargetId); + } +}; + +template <> +struct ParamTraits<mozilla::layers::ScrollSnapInfo> { + typedef mozilla::layers::ScrollSnapInfo paramType; + + static void Write(MessageWriter* aWriter, const paramType& aParam) { + WriteParam(aWriter, aParam.mScrollSnapStrictnessX); + WriteParam(aWriter, aParam.mScrollSnapStrictnessY); + WriteParam(aWriter, aParam.mSnapTargets); + WriteParam(aWriter, aParam.mXRangeWiderThanSnapport); + WriteParam(aWriter, aParam.mYRangeWiderThanSnapport); + WriteParam(aWriter, aParam.mSnapportSize); + } + + static bool Read(MessageReader* aReader, paramType* aResult) { + return (ReadParam(aReader, &aResult->mScrollSnapStrictnessX) && + ReadParam(aReader, &aResult->mScrollSnapStrictnessY) && + ReadParam(aReader, &aResult->mSnapTargets) && + ReadParam(aReader, &aResult->mXRangeWiderThanSnapport) && + ReadParam(aReader, &aResult->mYRangeWiderThanSnapport) && + ReadParam(aReader, &aResult->mSnapportSize)); + } +}; + +template <> +struct ParamTraits<mozilla::layers::OverscrollBehaviorInfo> { + // Not using PlainOldDataSerializer so we get enum validation + // for the members. + + typedef mozilla::layers::OverscrollBehaviorInfo paramType; + + static void Write(MessageWriter* aWriter, const paramType& aParam) { + WriteParam(aWriter, aParam.mBehaviorX); + WriteParam(aWriter, aParam.mBehaviorY); + } + + static bool Read(MessageReader* aReader, paramType* aResult) { + return (ReadParam(aReader, &aResult->mBehaviorX) && + ReadParam(aReader, &aResult->mBehaviorY)); + } +}; + +template <typename T> +struct ParamTraits<mozilla::ScrollGeneration<T>> + : PlainOldDataSerializer<mozilla::ScrollGeneration<T>> {}; + +template <> +struct ParamTraits<mozilla::ScrollUpdateType> + : public ContiguousEnumSerializerInclusive< + mozilla::ScrollUpdateType, mozilla::ScrollUpdateType::Absolute, + mozilla::ScrollUpdateType::PureRelative> {}; + +template <> +struct ParamTraits<mozilla::ScrollMode> + : public ContiguousEnumSerializerInclusive<mozilla::ScrollMode, + mozilla::ScrollMode::Instant, + mozilla::ScrollMode::Normal> {}; + +template <> +struct ParamTraits<mozilla::ScrollOrigin> + : public ContiguousEnumSerializerInclusive< + mozilla::ScrollOrigin, mozilla::ScrollOrigin::None, + mozilla::ScrollOrigin::Scrollbars> {}; + +template <> +struct ParamTraits<mozilla::ScrollTriggeredByScript> + : public ContiguousEnumSerializerInclusive< + mozilla::ScrollTriggeredByScript, + mozilla::ScrollTriggeredByScript::No, + mozilla::ScrollTriggeredByScript::Yes> {}; + +template <> +struct ParamTraits<mozilla::ScrollPositionUpdate> { + typedef mozilla::ScrollPositionUpdate paramType; + + static void Write(MessageWriter* aWriter, const paramType& aParam) { + WriteParam(aWriter, aParam.mScrollGeneration); + WriteParam(aWriter, aParam.mType); + WriteParam(aWriter, aParam.mScrollMode); + WriteParam(aWriter, aParam.mScrollOrigin); + WriteParam(aWriter, aParam.mDestination); + WriteParam(aWriter, aParam.mSource); + WriteParam(aWriter, aParam.mDelta); + WriteParam(aWriter, aParam.mTriggeredByScript); + WriteParam(aWriter, aParam.mSnapTargetIds); + } + + static bool Read(MessageReader* aReader, paramType* aResult) { + return ReadParam(aReader, &aResult->mScrollGeneration) && + ReadParam(aReader, &aResult->mType) && + ReadParam(aReader, &aResult->mScrollMode) && + ReadParam(aReader, &aResult->mScrollOrigin) && + ReadParam(aReader, &aResult->mDestination) && + ReadParam(aReader, &aResult->mSource) && + ReadParam(aReader, &aResult->mDelta) && + ReadParam(aReader, &aResult->mTriggeredByScript) && + ReadParam(aReader, &aResult->mSnapTargetIds); + } +}; + +template <> +struct ParamTraits<mozilla::layers::ScrollMetadata> + : BitfieldHelper<mozilla::layers::ScrollMetadata> { + typedef mozilla::layers::ScrollMetadata paramType; + + static void Write(MessageWriter* aWriter, const paramType& aParam) { + WriteParam(aWriter, aParam.mMetrics); + WriteParam(aWriter, aParam.mSnapInfo); + WriteParam(aWriter, aParam.mScrollParentId); + WriteParam(aWriter, aParam.GetContentDescription()); + WriteParam(aWriter, aParam.mLineScrollAmount); + WriteParam(aWriter, aParam.mPageScrollAmount); + WriteParam(aWriter, aParam.mHasScrollgrab); + WriteParam(aWriter, aParam.mIsLayersIdRoot); + WriteParam(aWriter, aParam.mIsAutoDirRootContentRTL); + WriteParam(aWriter, aParam.mForceDisableApz); + WriteParam(aWriter, aParam.mResolutionUpdated); + WriteParam(aWriter, aParam.mIsRDMTouchSimulationActive); + WriteParam(aWriter, aParam.mDidContentGetPainted); + WriteParam(aWriter, aParam.mForceMousewheelAutodir); + WriteParam(aWriter, aParam.mForceMousewheelAutodirHonourRoot); + WriteParam(aWriter, aParam.mIsPaginatedPresentation); + WriteParam(aWriter, aParam.mDisregardedDirection); + WriteParam(aWriter, aParam.mOverscrollBehavior); + WriteParam(aWriter, aParam.mScrollUpdates); + } + + static bool ReadContentDescription(MessageReader* aReader, + paramType* aResult) { + nsCString str; + if (!ReadParam(aReader, &str)) { + return false; + } + aResult->SetContentDescription(str); + return true; + } + + static bool Read(MessageReader* aReader, paramType* aResult) { + return (ReadParam(aReader, &aResult->mMetrics) && + ReadParam(aReader, &aResult->mSnapInfo) && + ReadParam(aReader, &aResult->mScrollParentId) && + ReadContentDescription(aReader, aResult) && + ReadParam(aReader, &aResult->mLineScrollAmount) && + ReadParam(aReader, &aResult->mPageScrollAmount) && + ReadBoolForBitfield(aReader, aResult, + ¶mType::SetHasScrollgrab) && + ReadBoolForBitfield(aReader, aResult, + ¶mType::SetIsLayersIdRoot) && + ReadBoolForBitfield(aReader, aResult, + ¶mType::SetIsAutoDirRootContentRTL) && + ReadBoolForBitfield(aReader, aResult, + ¶mType::SetForceDisableApz) && + ReadBoolForBitfield(aReader, aResult, + ¶mType::SetResolutionUpdated) && + ReadBoolForBitfield(aReader, aResult, + ¶mType::SetIsRDMTouchSimulationActive)) && + ReadBoolForBitfield(aReader, aResult, + ¶mType::SetDidContentGetPainted) && + ReadBoolForBitfield(aReader, aResult, + ¶mType::SetForceMousewheelAutodir) && + ReadBoolForBitfield( + aReader, aResult, + ¶mType::SetForceMousewheelAutodirHonourRoot) && + ReadBoolForBitfield(aReader, aResult, + ¶mType::SetIsPaginatedPresentation) && + ReadParam(aReader, &aResult->mDisregardedDirection) && + ReadParam(aReader, &aResult->mOverscrollBehavior) && + ReadParam(aReader, &aResult->mScrollUpdates); + } +}; + +template <> +struct ParamTraits<mozilla::layers::TextureFactoryIdentifier> { + typedef mozilla::layers::TextureFactoryIdentifier paramType; + + static void Write(MessageWriter* aWriter, const paramType& aParam) { + WriteParam(aWriter, aParam.mParentBackend); + WriteParam(aWriter, aParam.mWebRenderBackend); + WriteParam(aWriter, aParam.mWebRenderCompositor); + WriteParam(aWriter, aParam.mParentProcessType); + WriteParam(aWriter, aParam.mMaxTextureSize); + WriteParam(aWriter, aParam.mCompositorUseANGLE); + WriteParam(aWriter, aParam.mCompositorUseDComp); + WriteParam(aWriter, aParam.mUseCompositorWnd); + WriteParam(aWriter, aParam.mSupportsTextureBlitting); + WriteParam(aWriter, aParam.mSupportsPartialUploads); + WriteParam(aWriter, aParam.mSupportsComponentAlpha); + WriteParam(aWriter, aParam.mSupportsD3D11NV12); + WriteParam(aWriter, aParam.mSyncHandle); + } + + static bool Read(MessageReader* aReader, paramType* aResult) { + bool result = ReadParam(aReader, &aResult->mParentBackend) && + ReadParam(aReader, &aResult->mWebRenderBackend) && + ReadParam(aReader, &aResult->mWebRenderCompositor) && + ReadParam(aReader, &aResult->mParentProcessType) && + ReadParam(aReader, &aResult->mMaxTextureSize) && + ReadParam(aReader, &aResult->mCompositorUseANGLE) && + ReadParam(aReader, &aResult->mCompositorUseDComp) && + ReadParam(aReader, &aResult->mUseCompositorWnd) && + ReadParam(aReader, &aResult->mSupportsTextureBlitting) && + ReadParam(aReader, &aResult->mSupportsPartialUploads) && + ReadParam(aReader, &aResult->mSupportsComponentAlpha) && + ReadParam(aReader, &aResult->mSupportsD3D11NV12) && + ReadParam(aReader, &aResult->mSyncHandle); + return result; + } +}; + +template <> +struct ParamTraits<mozilla::layers::TextureInfo> { + typedef mozilla::layers::TextureInfo paramType; + + static void Write(MessageWriter* aWriter, const paramType& aParam) { + WriteParam(aWriter, aParam.mCompositableType); + WriteParam(aWriter, aParam.mTextureFlags); + } + + static bool Read(MessageReader* aReader, paramType* aResult) { + return ReadParam(aReader, &aResult->mCompositableType) && + ReadParam(aReader, &aResult->mTextureFlags); + } +}; + +template <> +struct ParamTraits<mozilla::layers::CompositableType> + : public ContiguousEnumSerializer< + mozilla::layers::CompositableType, + mozilla::layers::CompositableType::UNKNOWN, + mozilla::layers::CompositableType::COUNT> {}; + +template <> +struct ParamTraits<mozilla::layers::ScrollableLayerGuid> { + typedef mozilla::layers::ScrollableLayerGuid paramType; + + static void Write(MessageWriter* aWriter, const paramType& aParam) { + WriteParam(aWriter, aParam.mLayersId); + WriteParam(aWriter, aParam.mPresShellId); + WriteParam(aWriter, aParam.mScrollId); + } + + static bool Read(MessageReader* aReader, paramType* aResult) { + return (ReadParam(aReader, &aResult->mLayersId) && + ReadParam(aReader, &aResult->mPresShellId) && + ReadParam(aReader, &aResult->mScrollId)); + } +}; + +template <> +struct ParamTraits<nsEventStatus> + : public ContiguousEnumSerializer<nsEventStatus, nsEventStatus_eIgnore, + nsEventStatus_eSentinel> {}; + +template <> +struct ParamTraits<mozilla::layers::APZHandledPlace> + : public ContiguousEnumSerializer< + mozilla::layers::APZHandledPlace, + mozilla::layers::APZHandledPlace::Unhandled, + mozilla::layers::APZHandledPlace::Last> {}; + +template <> +struct ParamTraits<mozilla::layers::ScrollDirections> { + typedef mozilla::layers::ScrollDirections paramType; + + static void Write(MessageWriter* aWriter, const paramType& aParam) { + WriteParam(aWriter, aParam.serialize()); + } + + static bool Read(MessageReader* aReader, paramType* aResult) { + uint8_t value; + if (!ReadParam(aReader, &value)) { + return false; + } + aResult->deserialize(value); + return true; + } +}; + +template <> +struct ParamTraits<mozilla::layers::APZHandledResult> { + typedef mozilla::layers::APZHandledResult paramType; + + static void Write(MessageWriter* aWriter, const paramType& aParam) { + WriteParam(aWriter, aParam.mPlace); + WriteParam(aWriter, aParam.mScrollableDirections); + WriteParam(aWriter, aParam.mOverscrollDirections); + } + + static bool Read(MessageReader* aReader, paramType* aResult) { + return (ReadParam(aReader, &aResult->mPlace) && + ReadParam(aReader, &aResult->mScrollableDirections) && + ReadParam(aReader, &aResult->mOverscrollDirections)); + } +}; + +template <> +struct ParamTraits<mozilla::layers::APZEventResult> { + typedef mozilla::layers::APZEventResult paramType; + + static void Write(MessageWriter* aWriter, const paramType& aParam) { + WriteParam(aWriter, aParam.GetStatus()); + WriteParam(aWriter, aParam.GetHandledResult()); + WriteParam(aWriter, aParam.mTargetGuid); + WriteParam(aWriter, aParam.mInputBlockId); + } + + static bool Read(MessageReader* aReader, paramType* aResult) { + nsEventStatus status; + if (!ReadParam(aReader, &status)) { + return false; + } + aResult->UpdateStatus(status); + + mozilla::Maybe<mozilla::layers::APZHandledResult> handledResult; + if (!ReadParam(aReader, &handledResult)) { + return false; + } + aResult->UpdateHandledResult(handledResult); + + return (ReadParam(aReader, &aResult->mTargetGuid) && + ReadParam(aReader, &aResult->mInputBlockId)); + } +}; + +template <> +struct ParamTraits<mozilla::layers::ZoomConstraints> { + typedef mozilla::layers::ZoomConstraints paramType; + + static void Write(MessageWriter* aWriter, const paramType& aParam) { + WriteParam(aWriter, aParam.mAllowZoom); + WriteParam(aWriter, aParam.mAllowDoubleTapZoom); + WriteParam(aWriter, aParam.mMinZoom); + WriteParam(aWriter, aParam.mMaxZoom); + } + + static bool Read(MessageReader* aReader, paramType* aResult) { + return (ReadParam(aReader, &aResult->mAllowZoom) && + ReadParam(aReader, &aResult->mAllowDoubleTapZoom) && + ReadParam(aReader, &aResult->mMinZoom) && + ReadParam(aReader, &aResult->mMaxZoom)); + } +}; + +template <> +struct ParamTraits<mozilla::layers::FocusTarget::ScrollTargets> { + typedef mozilla::layers::FocusTarget::ScrollTargets paramType; + + static void Write(MessageWriter* aWriter, const paramType& aParam) { + WriteParam(aWriter, aParam.mHorizontal); + WriteParam(aWriter, aParam.mVertical); + } + + static bool Read(MessageReader* aReader, paramType* aResult) { + return ReadParam(aReader, &aResult->mHorizontal) && + ReadParam(aReader, &aResult->mVertical); + } +}; + +template <> +struct ParamTraits<mozilla::layers::FocusTarget::NoFocusTarget> + : public EmptyStructSerializer< + mozilla::layers::FocusTarget::NoFocusTarget> {}; + +template <> +struct ParamTraits<mozilla::layers::FocusTarget> { + typedef mozilla::layers::FocusTarget paramType; + + static void Write(MessageWriter* aWriter, const paramType& aParam) { + WriteParam(aWriter, aParam.mSequenceNumber); + WriteParam(aWriter, aParam.mFocusHasKeyEventListeners); + WriteParam(aWriter, aParam.mData); + } + + static bool Read(MessageReader* aReader, paramType* aResult) { + if (!ReadParam(aReader, &aResult->mSequenceNumber) || + !ReadParam(aReader, &aResult->mFocusHasKeyEventListeners) || + !ReadParam(aReader, &aResult->mData)) { + return false; + } + return true; + } +}; + +template <> +struct ParamTraits< + mozilla::layers::KeyboardScrollAction::KeyboardScrollActionType> + : public ContiguousEnumSerializerInclusive< + mozilla::layers::KeyboardScrollAction::KeyboardScrollActionType, + mozilla::layers::KeyboardScrollAction::KeyboardScrollActionType:: + eScrollCharacter, + mozilla::layers::KeyboardScrollAction:: + sHighestKeyboardScrollActionType> {}; + +template <> +struct ParamTraits<mozilla::layers::KeyboardScrollAction> { + typedef mozilla::layers::KeyboardScrollAction paramType; + + static void Write(MessageWriter* aWriter, const paramType& aParam) { + WriteParam(aWriter, aParam.mType); + WriteParam(aWriter, aParam.mForward); + } + + static bool Read(MessageReader* aReader, paramType* aResult) { + return ReadParam(aReader, &aResult->mType) && + ReadParam(aReader, &aResult->mForward); + } +}; + +template <> +struct ParamTraits<mozilla::layers::KeyboardShortcut> { + typedef mozilla::layers::KeyboardShortcut paramType; + + static void Write(MessageWriter* aWriter, const paramType& aParam) { + WriteParam(aWriter, aParam.mAction); + WriteParam(aWriter, aParam.mKeyCode); + WriteParam(aWriter, aParam.mCharCode); + WriteParam(aWriter, aParam.mModifiers); + WriteParam(aWriter, aParam.mModifiersMask); + WriteParam(aWriter, aParam.mEventType); + WriteParam(aWriter, aParam.mDispatchToContent); + } + + static bool Read(MessageReader* aReader, paramType* aResult) { + return ReadParam(aReader, &aResult->mAction) && + ReadParam(aReader, &aResult->mKeyCode) && + ReadParam(aReader, &aResult->mCharCode) && + ReadParam(aReader, &aResult->mModifiers) && + ReadParam(aReader, &aResult->mModifiersMask) && + ReadParam(aReader, &aResult->mEventType) && + ReadParam(aReader, &aResult->mDispatchToContent); + } +}; + +template <> +struct ParamTraits<mozilla::layers::KeyboardMap> { + typedef mozilla::layers::KeyboardMap paramType; + + static void Write(MessageWriter* aWriter, const paramType& aParam) { + WriteParam(aWriter, aParam.Shortcuts()); + } + + static bool Read(MessageReader* aReader, paramType* aResult) { + nsTArray<mozilla::layers::KeyboardShortcut> shortcuts; + if (!ReadParam(aReader, &shortcuts)) { + return false; + } + *aResult = mozilla::layers::KeyboardMap(std::move(shortcuts)); + return true; + } +}; + +template <> +struct ParamTraits<mozilla::layers::GeckoContentController_TapType> + : public ContiguousEnumSerializerInclusive< + mozilla::layers::GeckoContentController_TapType, + mozilla::layers::GeckoContentController_TapType::eSingleTap, + mozilla::layers::kHighestGeckoContentController_TapType> {}; + +template <> +struct ParamTraits<mozilla::layers::GeckoContentController_APZStateChange> + : public ContiguousEnumSerializerInclusive< + mozilla::layers::GeckoContentController_APZStateChange, + mozilla::layers::GeckoContentController_APZStateChange:: + eTransformBegin, + mozilla::layers::kHighestGeckoContentController_APZStateChange> {}; + +template <> +struct ParamTraits<mozilla::layers::EventRegionsOverride> + : public BitFlagsEnumSerializer< + mozilla::layers::EventRegionsOverride, + mozilla::layers::EventRegionsOverride::ALL_BITS> {}; + +template <> +struct ParamTraits<mozilla::layers::AsyncDragMetrics> { + typedef mozilla::layers::AsyncDragMetrics paramType; + + static void Write(MessageWriter* aWriter, const paramType& aParam) { + WriteParam(aWriter, aParam.mViewId); + WriteParam(aWriter, aParam.mPresShellId); + WriteParam(aWriter, aParam.mDragStartSequenceNumber); + WriteParam(aWriter, aParam.mScrollbarDragOffset); + WriteParam(aWriter, aParam.mDirection); + } + + static bool Read(MessageReader* aReader, paramType* aResult) { + return (ReadParam(aReader, &aResult->mViewId) && + ReadParam(aReader, &aResult->mPresShellId) && + ReadParam(aReader, &aResult->mDragStartSequenceNumber) && + ReadParam(aReader, &aResult->mScrollbarDragOffset) && + ReadParam(aReader, &aResult->mDirection)); + } +}; + +template <> +struct ParamTraits<mozilla::layers::BrowserGestureResponse> + : public ContiguousEnumSerializerInclusive< + mozilla::layers::BrowserGestureResponse, + mozilla::layers::BrowserGestureResponse::NotConsumed, + mozilla::layers::BrowserGestureResponse::Consumed> {}; + +template <> +struct ParamTraits<mozilla::layers::CompositorOptions> { + typedef mozilla::layers::CompositorOptions paramType; + + static void Write(MessageWriter* aWriter, const paramType& aParam) { + WriteParam(aWriter, aParam.mUseAPZ); + WriteParam(aWriter, aParam.mUseSoftwareWebRender); + WriteParam(aWriter, aParam.mAllowSoftwareWebRenderD3D11); + WriteParam(aWriter, aParam.mAllowSoftwareWebRenderOGL); + WriteParam(aWriter, aParam.mInitiallyPaused); + WriteParam(aWriter, aParam.mNeedFastSnaphot); + } + + static bool Read(MessageReader* aReader, paramType* aResult) { + return ReadParam(aReader, &aResult->mUseAPZ) && + ReadParam(aReader, &aResult->mUseSoftwareWebRender) && + ReadParam(aReader, &aResult->mAllowSoftwareWebRenderD3D11) && + ReadParam(aReader, &aResult->mAllowSoftwareWebRenderOGL) && + ReadParam(aReader, &aResult->mInitiallyPaused) && + ReadParam(aReader, &aResult->mNeedFastSnaphot); + } +}; + +template <> +struct ParamTraits<mozilla::layers::OverlaySupportType> + : public ContiguousEnumSerializerInclusive< + mozilla::layers::OverlaySupportType, + mozilla::layers::OverlaySupportType::None, + mozilla::layers::OverlaySupportType::MAX> {}; + +template <> +struct ParamTraits<mozilla::layers::OverlayInfo> { + typedef mozilla::layers::OverlayInfo paramType; + + static void Write(MessageWriter* aWriter, const paramType& aParam) { + WriteParam(aWriter, aParam.mSupportsOverlays); + WriteParam(aWriter, aParam.mNv12Overlay); + WriteParam(aWriter, aParam.mYuy2Overlay); + WriteParam(aWriter, aParam.mBgra8Overlay); + WriteParam(aWriter, aParam.mRgb10a2Overlay); + } + + static bool Read(MessageReader* aReader, paramType* aResult) { + return ReadParam(aReader, &aResult->mSupportsOverlays) && + ReadParam(aReader, &aResult->mNv12Overlay) && + ReadParam(aReader, &aResult->mYuy2Overlay) && + ReadParam(aReader, &aResult->mBgra8Overlay) && + ReadParam(aReader, &aResult->mRgb10a2Overlay); + } +}; + +template <> +struct ParamTraits<mozilla::layers::SwapChainInfo> { + typedef mozilla::layers::SwapChainInfo paramType; + + static void Write(MessageWriter* aWriter, const paramType& aParam) { + WriteParam(aWriter, aParam.mTearingSupported); + } + + static bool Read(MessageReader* aReader, paramType* aResult) { + return ReadParam(aReader, &aResult->mTearingSupported); + } +}; + +template <> +struct ParamTraits<mozilla::layers::ScrollbarLayerType> + : public ContiguousEnumSerializerInclusive< + mozilla::layers::ScrollbarLayerType, + mozilla::layers::ScrollbarLayerType::None, + mozilla::layers::kHighestScrollbarLayerType> {}; + +template <> +struct ParamTraits<mozilla::layers::ScrollbarData> { + typedef mozilla::layers::ScrollbarData paramType; + + static void Write(MessageWriter* aWriter, const paramType& aParam) { + WriteParam(aWriter, aParam.mDirection); + WriteParam(aWriter, aParam.mScrollbarLayerType); + WriteParam(aWriter, aParam.mThumbRatio); + WriteParam(aWriter, aParam.mThumbStart); + WriteParam(aWriter, aParam.mThumbLength); + WriteParam(aWriter, aParam.mThumbMinLength); + WriteParam(aWriter, aParam.mThumbIsAsyncDraggable); + WriteParam(aWriter, aParam.mScrollTrackStart); + WriteParam(aWriter, aParam.mScrollTrackLength); + WriteParam(aWriter, aParam.mTargetViewId); + } + + static bool Read(MessageReader* aReader, paramType* aResult) { + return ReadParam(aReader, &aResult->mDirection) && + ReadParam(aReader, &aResult->mScrollbarLayerType) && + ReadParam(aReader, &aResult->mThumbRatio) && + ReadParam(aReader, &aResult->mThumbStart) && + ReadParam(aReader, &aResult->mThumbLength) && + ReadParam(aReader, &aResult->mThumbMinLength) && + ReadParam(aReader, &aResult->mThumbIsAsyncDraggable) && + ReadParam(aReader, &aResult->mScrollTrackStart) && + ReadParam(aReader, &aResult->mScrollTrackLength) && + ReadParam(aReader, &aResult->mTargetViewId); + } +}; + +template <> +struct ParamTraits<mozilla::layers::CompositionPayloadType> + : public ContiguousEnumSerializerInclusive< + mozilla::layers::CompositionPayloadType, + mozilla::layers::CompositionPayloadType::eKeyPress, + mozilla::layers::kHighestCompositionPayloadType> {}; + +template <> +struct ParamTraits<mozilla::layers::CompositionPayload> { + typedef mozilla::layers::CompositionPayload paramType; + + static void Write(MessageWriter* aWriter, const paramType& aParam) { + WriteParam(aWriter, aParam.mType); + WriteParam(aWriter, aParam.mTimeStamp); + } + + static bool Read(MessageReader* aReader, paramType* aResult) { + return ReadParam(aReader, &aResult->mType) && + ReadParam(aReader, &aResult->mTimeStamp); + } +}; + +template <> +struct ParamTraits<mozilla::RayReferenceData> { + typedef mozilla::RayReferenceData paramType; + + static void Write(MessageWriter* aWriter, const paramType& aParam) { + WriteParam(aWriter, aParam.mInitialPosition); + WriteParam(aWriter, aParam.mContainingBlockRect); + } + + static bool Read(MessageReader* aReader, paramType* aResult) { + return (ReadParam(aReader, &aResult->mInitialPosition) && + ReadParam(aReader, &aResult->mContainingBlockRect)); + } +}; + +template <> +struct ParamTraits<mozilla::layers::CantZoomOutBehavior> + : public ContiguousEnumSerializerInclusive< + mozilla::layers::CantZoomOutBehavior, + mozilla::layers::CantZoomOutBehavior::Nothing, + mozilla::layers::CantZoomOutBehavior::ZoomIn> {}; + +template <> +struct ParamTraits<mozilla::layers::ZoomTarget> { + typedef mozilla::layers::ZoomTarget paramType; + + static void Write(MessageWriter* aWriter, const paramType& aParam) { + WriteParam(aWriter, aParam.targetRect); + WriteParam(aWriter, aParam.cantZoomOutBehavior); + WriteParam(aWriter, aParam.elementBoundingRect); + WriteParam(aWriter, aParam.documentRelativePointerPosition); + } + + static bool Read(MessageReader* aReader, paramType* aResult) { + return (ReadParam(aReader, &aResult->targetRect) && + ReadParam(aReader, &aResult->cantZoomOutBehavior) && + ReadParam(aReader, &aResult->elementBoundingRect) && + ReadParam(aReader, &aResult->documentRelativePointerPosition)); + } +}; + +#define IMPL_PARAMTRAITS_BY_SERDE(type_) \ + template <> \ + struct ParamTraits<mozilla::type_> { \ + typedef mozilla::type_ paramType; \ + static void Write(MessageWriter* aWriter, const paramType& aParam) { \ + mozilla::ipc::ByteBuf v; \ + mozilla::DebugOnly<bool> rv = Servo_##type_##_Serialize(&aParam, &v); \ + MOZ_ASSERT(rv, "Serialize ##type_## failed"); \ + WriteParam(aWriter, std::move(v)); \ + } \ + static ReadResult<paramType> Read(MessageReader* aReader) { \ + mozilla::ipc::ByteBuf in; \ + ReadResult<paramType> result; \ + if (!ReadParam(aReader, &in) || !in.mData) { \ + return result; \ + } \ + /* TODO: Should be able to initialize `result` in-place instead */ \ + mozilla::AlignedStorage2<paramType> value; \ + if (!Servo_##type_##_Deserialize(&in, value.addr())) { \ + return result; \ + } \ + result = std::move(*value.addr()); \ + value.addr()->~paramType(); \ + return result; \ + } \ + }; + +IMPL_PARAMTRAITS_BY_SERDE(LengthPercentage) +IMPL_PARAMTRAITS_BY_SERDE(StyleOffsetPath) +IMPL_PARAMTRAITS_BY_SERDE(StyleOffsetRotate) +IMPL_PARAMTRAITS_BY_SERDE(StylePositionOrAuto) +IMPL_PARAMTRAITS_BY_SERDE(StyleRotate) +IMPL_PARAMTRAITS_BY_SERDE(StyleScale) +IMPL_PARAMTRAITS_BY_SERDE(StyleTranslate) +IMPL_PARAMTRAITS_BY_SERDE(StyleTransform) +IMPL_PARAMTRAITS_BY_SERDE(StyleComputedTimingFunction) + +} /* namespace IPC */ + +#endif /* mozilla_layers_LayersMessageUtils */ |