mozilla-central/gfx/layers/ipc/LayersMessageUtils.h (file symbol)

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/* -*- 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/ScrollSnapInfo.h"
#include "mozilla/ServoBindings.h"
#include "mozilla/dom/WebGLIpdl.h"
#include "mozilla/ipc/ByteBuf.h"
#include "mozilla/ipc/ProtocolMessageUtils.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 ParamTraits_TiedFields<mozilla::layers::LayersId> {};
template <typename T>
struct ParamTraits<mozilla::layers::BaseTransactionId<T>>
: public ParamTraits_TiedFields<mozilla::layers::BaseTransactionId<T>> {};
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::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::GpuProcessQueryId> {
typedef mozilla::layers::GpuProcessQueryId 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, &paramType::SetIsRootContent) &&
ReadBoolForBitfield(aReader, aResult,
&paramType::SetIsScrollInfoLayer) &&
ReadBoolForBitfield(aReader, aResult,
&paramType::SetHasNonZeroDisplayPortMargins) &&
ReadBoolForBitfield(aReader, aResult,
&paramType::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, &paramType::SetIsRootContent) &&
ReadBoolForBitfield(aReader, aResult,
&paramType::SetIsScrollInfoLayer) &&
ReadBoolForBitfield(aReader, aResult,
&paramType::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 ParamTraits_IsEnumCase<mozilla::ScrollSnapTargetId> {};
template <>
struct ParamTraits<mozilla::SnapPoint> {
typedef mozilla::SnapPoint paramType;
static void Write(MessageWriter* aWriter, const paramType& aParam) {
WriteParam(aWriter, aParam.mX);
WriteParam(aWriter, aParam.mY);
}
static bool Read(MessageReader* aReader, paramType* aResult) {
return ReadParam(aReader, &aResult->mX) && ReadParam(aReader, &aResult->mY);
}
};
template <>
struct ParamTraits<mozilla::ScrollSnapInfo::SnapTarget> {
typedef mozilla::ScrollSnapInfo::SnapTarget paramType;
static void Write(MessageWriter* aWriter, const paramType& aParam) {
WriteParam(aWriter, aParam.mSnapPoint);
WriteParam(aWriter, aParam.mSnapArea);
WriteParam(aWriter, aParam.mScrollSnapStop);
WriteParam(aWriter, aParam.mTargetId);
}
static bool Read(MessageReader* aReader, paramType* aResult) {
return ReadParam(aReader, &aResult->mSnapPoint) &&
ReadParam(aReader, &aResult->mSnapArea) &&
ReadParam(aReader, &aResult->mScrollSnapStop) &&
ReadParam(aReader, &aResult->mTargetId);
}
};
template <>
struct ParamTraits<mozilla::ScrollSnapInfo::ScrollSnapRange> {
typedef mozilla::ScrollSnapInfo::ScrollSnapRange paramType;
static void Write(MessageWriter* aWriter, const paramType& aParam) {
WriteParam(aWriter, aParam.mDirection);
WriteParam(aWriter, aParam.mSnapArea);
WriteParam(aWriter, aParam.mTargetId);
}
static bool Read(MessageReader* aReader, paramType* aResult) {
return ReadParam(aReader, &aResult->mDirection) &&
ReadParam(aReader, &aResult->mSnapArea) &&
ReadParam(aReader, &aResult->mTargetId);
}
};
template <>
struct ParamTraits<mozilla::ScrollSnapInfo> {
typedef mozilla::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>
: public ParamTraits_TiedFields<mozilla::layers::OverscrollBehaviorInfo> {};
template <typename T>
struct ParamTraits<mozilla::ScrollGeneration<T>>
: public ParamTraits_TiedFields<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,
&paramType::SetHasScrollgrab) &&
ReadBoolForBitfield(aReader, aResult,
&paramType::SetIsLayersIdRoot) &&
ReadBoolForBitfield(aReader, aResult,
&paramType::SetIsAutoDirRootContentRTL) &&
ReadBoolForBitfield(aReader, aResult,
&paramType::SetForceDisableApz) &&
ReadBoolForBitfield(aReader, aResult,
&paramType::SetResolutionUpdated) &&
ReadBoolForBitfield(aReader, aResult,
&paramType::SetIsRDMTouchSimulationActive)) &&
ReadBoolForBitfield(aReader, aResult,
&paramType::SetDidContentGetPainted) &&
ReadBoolForBitfield(aReader, aResult,
&paramType::SetForceMousewheelAutodir) &&
ReadBoolForBitfield(
aReader, aResult,
&paramType::SetForceMousewheelAutodirHonourRoot) &&
ReadBoolForBitfield(aReader, aResult,
&paramType::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::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));
}
};
template <>
struct ParamTraits<mozilla::layers::DoubleTapToZoomMetrics> {
typedef mozilla::layers::DoubleTapToZoomMetrics paramType;
static void Write(MessageWriter* aWriter, const paramType& aParam) {
WriteParam(aWriter, aParam.mVisualViewport);
WriteParam(aWriter, aParam.mRootScrollableRect);
WriteParam(aWriter, aParam.mTransformMatrix);
}
static bool Read(MessageReader* aReader, paramType* aResult) {
return (ReadParam(aReader, &aResult->mVisualViewport) &&
ReadParam(aReader, &aResult->mRootScrollableRect) &&
ReadParam(aReader, &aResult->mTransformMatrix));
}
};
#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(StyleOffsetPosition)
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 */