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-rw-r--r--mojo/public/js/new_bindings/codec.js917
1 files changed, 917 insertions, 0 deletions
diff --git a/mojo/public/js/new_bindings/codec.js b/mojo/public/js/new_bindings/codec.js
new file mode 100644
index 0000000000..339fc169da
--- /dev/null
+++ b/mojo/public/js/new_bindings/codec.js
@@ -0,0 +1,917 @@
+// Copyright 2014 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+(function() {
+ var internal = mojo.internal;
+
+ var kErrorUnsigned = "Passing negative value to unsigned";
+ var kErrorArray = "Passing non Array for array type";
+ var kErrorString = "Passing non String for string type";
+ var kErrorMap = "Passing non Map for map type";
+
+ // Memory -------------------------------------------------------------------
+
+ var kAlignment = 8;
+
+ function align(size) {
+ return size + (kAlignment - (size % kAlignment)) % kAlignment;
+ }
+
+ function isAligned(offset) {
+ return offset >= 0 && (offset % kAlignment) === 0;
+ }
+
+ // Constants ----------------------------------------------------------------
+
+ var kArrayHeaderSize = 8;
+ var kStructHeaderSize = 8;
+ var kMessageHeaderSize = 24;
+ var kMessageWithRequestIDHeaderSize = 32;
+ var kMapStructPayloadSize = 16;
+
+ var kStructHeaderNumBytesOffset = 0;
+ var kStructHeaderVersionOffset = 4;
+
+ var kEncodedInvalidHandleValue = 0xFFFFFFFF;
+
+ // Decoder ------------------------------------------------------------------
+
+ function Decoder(buffer, handles, base) {
+ this.buffer = buffer;
+ this.handles = handles;
+ this.base = base;
+ this.next = base;
+ }
+
+ Decoder.prototype.align = function() {
+ this.next = align(this.next);
+ };
+
+ Decoder.prototype.skip = function(offset) {
+ this.next += offset;
+ };
+
+ Decoder.prototype.readInt8 = function() {
+ var result = this.buffer.getInt8(this.next);
+ this.next += 1;
+ return result;
+ };
+
+ Decoder.prototype.readUint8 = function() {
+ var result = this.buffer.getUint8(this.next);
+ this.next += 1;
+ return result;
+ };
+
+ Decoder.prototype.readInt16 = function() {
+ var result = this.buffer.getInt16(this.next);
+ this.next += 2;
+ return result;
+ };
+
+ Decoder.prototype.readUint16 = function() {
+ var result = this.buffer.getUint16(this.next);
+ this.next += 2;
+ return result;
+ };
+
+ Decoder.prototype.readInt32 = function() {
+ var result = this.buffer.getInt32(this.next);
+ this.next += 4;
+ return result;
+ };
+
+ Decoder.prototype.readUint32 = function() {
+ var result = this.buffer.getUint32(this.next);
+ this.next += 4;
+ return result;
+ };
+
+ Decoder.prototype.readInt64 = function() {
+ var result = this.buffer.getInt64(this.next);
+ this.next += 8;
+ return result;
+ };
+
+ Decoder.prototype.readUint64 = function() {
+ var result = this.buffer.getUint64(this.next);
+ this.next += 8;
+ return result;
+ };
+
+ Decoder.prototype.readFloat = function() {
+ var result = this.buffer.getFloat32(this.next);
+ this.next += 4;
+ return result;
+ };
+
+ Decoder.prototype.readDouble = function() {
+ var result = this.buffer.getFloat64(this.next);
+ this.next += 8;
+ return result;
+ };
+
+ Decoder.prototype.decodePointer = function() {
+ // TODO(abarth): To correctly decode a pointer, we need to know the real
+ // base address of the array buffer.
+ var offsetPointer = this.next;
+ var offset = this.readUint64();
+ if (!offset)
+ return 0;
+ return offsetPointer + offset;
+ };
+
+ Decoder.prototype.decodeAndCreateDecoder = function(pointer) {
+ return new Decoder(this.buffer, this.handles, pointer);
+ };
+
+ Decoder.prototype.decodeHandle = function() {
+ return this.handles[this.readUint32()] || null;
+ };
+
+ Decoder.prototype.decodeString = function() {
+ var numberOfBytes = this.readUint32();
+ var numberOfElements = this.readUint32();
+ var base = this.next;
+ this.next += numberOfElements;
+ return internal.decodeUtf8String(
+ new Uint8Array(this.buffer.arrayBuffer, base, numberOfElements));
+ };
+
+ Decoder.prototype.decodeArray = function(cls) {
+ var numberOfBytes = this.readUint32();
+ var numberOfElements = this.readUint32();
+ var val = new Array(numberOfElements);
+ if (cls === PackedBool) {
+ var byte;
+ for (var i = 0; i < numberOfElements; ++i) {
+ if (i % 8 === 0)
+ byte = this.readUint8();
+ val[i] = (byte & (1 << i % 8)) ? true : false;
+ }
+ } else {
+ for (var i = 0; i < numberOfElements; ++i) {
+ val[i] = cls.decode(this);
+ }
+ }
+ return val;
+ };
+
+ Decoder.prototype.decodeStruct = function(cls) {
+ return cls.decode(this);
+ };
+
+ Decoder.prototype.decodeStructPointer = function(cls) {
+ var pointer = this.decodePointer();
+ if (!pointer) {
+ return null;
+ }
+ return cls.decode(this.decodeAndCreateDecoder(pointer));
+ };
+
+ Decoder.prototype.decodeArrayPointer = function(cls) {
+ var pointer = this.decodePointer();
+ if (!pointer) {
+ return null;
+ }
+ return this.decodeAndCreateDecoder(pointer).decodeArray(cls);
+ };
+
+ Decoder.prototype.decodeStringPointer = function() {
+ var pointer = this.decodePointer();
+ if (!pointer) {
+ return null;
+ }
+ return this.decodeAndCreateDecoder(pointer).decodeString();
+ };
+
+ Decoder.prototype.decodeMap = function(keyClass, valueClass) {
+ this.skip(4); // numberOfBytes
+ this.skip(4); // version
+ var keys = this.decodeArrayPointer(keyClass);
+ var values = this.decodeArrayPointer(valueClass);
+ var val = new Map();
+ for (var i = 0; i < keys.length; i++)
+ val.set(keys[i], values[i]);
+ return val;
+ };
+
+ Decoder.prototype.decodeMapPointer = function(keyClass, valueClass) {
+ var pointer = this.decodePointer();
+ if (!pointer) {
+ return null;
+ }
+ var decoder = this.decodeAndCreateDecoder(pointer);
+ return decoder.decodeMap(keyClass, valueClass);
+ };
+
+ // Encoder ------------------------------------------------------------------
+
+ function Encoder(buffer, handles, base) {
+ this.buffer = buffer;
+ this.handles = handles;
+ this.base = base;
+ this.next = base;
+ }
+
+ Encoder.prototype.align = function() {
+ this.next = align(this.next);
+ };
+
+ Encoder.prototype.skip = function(offset) {
+ this.next += offset;
+ };
+
+ Encoder.prototype.writeInt8 = function(val) {
+ this.buffer.setInt8(this.next, val);
+ this.next += 1;
+ };
+
+ Encoder.prototype.writeUint8 = function(val) {
+ if (val < 0) {
+ throw new Error(kErrorUnsigned);
+ }
+ this.buffer.setUint8(this.next, val);
+ this.next += 1;
+ };
+
+ Encoder.prototype.writeInt16 = function(val) {
+ this.buffer.setInt16(this.next, val);
+ this.next += 2;
+ };
+
+ Encoder.prototype.writeUint16 = function(val) {
+ if (val < 0) {
+ throw new Error(kErrorUnsigned);
+ }
+ this.buffer.setUint16(this.next, val);
+ this.next += 2;
+ };
+
+ Encoder.prototype.writeInt32 = function(val) {
+ this.buffer.setInt32(this.next, val);
+ this.next += 4;
+ };
+
+ Encoder.prototype.writeUint32 = function(val) {
+ if (val < 0) {
+ throw new Error(kErrorUnsigned);
+ }
+ this.buffer.setUint32(this.next, val);
+ this.next += 4;
+ };
+
+ Encoder.prototype.writeInt64 = function(val) {
+ this.buffer.setInt64(this.next, val);
+ this.next += 8;
+ };
+
+ Encoder.prototype.writeUint64 = function(val) {
+ if (val < 0) {
+ throw new Error(kErrorUnsigned);
+ }
+ this.buffer.setUint64(this.next, val);
+ this.next += 8;
+ };
+
+ Encoder.prototype.writeFloat = function(val) {
+ this.buffer.setFloat32(this.next, val);
+ this.next += 4;
+ };
+
+ Encoder.prototype.writeDouble = function(val) {
+ this.buffer.setFloat64(this.next, val);
+ this.next += 8;
+ };
+
+ Encoder.prototype.encodePointer = function(pointer) {
+ if (!pointer)
+ return this.writeUint64(0);
+ // TODO(abarth): To correctly encode a pointer, we need to know the real
+ // base address of the array buffer.
+ var offset = pointer - this.next;
+ this.writeUint64(offset);
+ };
+
+ Encoder.prototype.createAndEncodeEncoder = function(size) {
+ var pointer = this.buffer.alloc(align(size));
+ this.encodePointer(pointer);
+ return new Encoder(this.buffer, this.handles, pointer);
+ };
+
+ Encoder.prototype.encodeHandle = function(handle) {
+ if (handle) {
+ this.handles.push(handle);
+ this.writeUint32(this.handles.length - 1);
+ } else {
+ this.writeUint32(kEncodedInvalidHandleValue);
+ }
+ };
+
+ Encoder.prototype.encodeString = function(val) {
+ var base = this.next + kArrayHeaderSize;
+ var numberOfElements = internal.encodeUtf8String(
+ val, new Uint8Array(this.buffer.arrayBuffer, base));
+ var numberOfBytes = kArrayHeaderSize + numberOfElements;
+ this.writeUint32(numberOfBytes);
+ this.writeUint32(numberOfElements);
+ this.next += numberOfElements;
+ };
+
+ Encoder.prototype.encodeArray =
+ function(cls, val, numberOfElements, encodedSize) {
+ if (numberOfElements === undefined)
+ numberOfElements = val.length;
+ if (encodedSize === undefined)
+ encodedSize = kArrayHeaderSize + cls.encodedSize * numberOfElements;
+
+ this.writeUint32(encodedSize);
+ this.writeUint32(numberOfElements);
+
+ if (cls === PackedBool) {
+ var byte = 0;
+ for (i = 0; i < numberOfElements; ++i) {
+ if (val[i])
+ byte |= (1 << i % 8);
+ if (i % 8 === 7 || i == numberOfElements - 1) {
+ Uint8.encode(this, byte);
+ byte = 0;
+ }
+ }
+ } else {
+ for (var i = 0; i < numberOfElements; ++i)
+ cls.encode(this, val[i]);
+ }
+ };
+
+ Encoder.prototype.encodeStruct = function(cls, val) {
+ return cls.encode(this, val);
+ };
+
+ Encoder.prototype.encodeStructPointer = function(cls, val) {
+ if (val == null) {
+ // Also handles undefined, since undefined == null.
+ this.encodePointer(val);
+ return;
+ }
+ var encoder = this.createAndEncodeEncoder(cls.encodedSize);
+ cls.encode(encoder, val);
+ };
+
+ Encoder.prototype.encodeArrayPointer = function(cls, val) {
+ if (val == null) {
+ // Also handles undefined, since undefined == null.
+ this.encodePointer(val);
+ return;
+ }
+
+ var numberOfElements = val.length;
+ if (!Number.isSafeInteger(numberOfElements) || numberOfElements < 0)
+ throw new Error(kErrorArray);
+
+ var encodedSize = kArrayHeaderSize + ((cls === PackedBool) ?
+ Math.ceil(numberOfElements / 8) : cls.encodedSize * numberOfElements);
+ var encoder = this.createAndEncodeEncoder(encodedSize);
+ encoder.encodeArray(cls, val, numberOfElements, encodedSize);
+ };
+
+ Encoder.prototype.encodeStringPointer = function(val) {
+ if (val == null) {
+ // Also handles undefined, since undefined == null.
+ this.encodePointer(val);
+ return;
+ }
+ // Only accepts string primivites, not String Objects like new String("foo")
+ if (typeof(val) !== "string") {
+ throw new Error(kErrorString);
+ }
+ var encodedSize = kArrayHeaderSize + internal.utf8Length(val);
+ var encoder = this.createAndEncodeEncoder(encodedSize);
+ encoder.encodeString(val);
+ };
+
+ Encoder.prototype.encodeMap = function(keyClass, valueClass, val) {
+ var keys = new Array(val.size);
+ var values = new Array(val.size);
+ var i = 0;
+ val.forEach(function(value, key) {
+ values[i] = value;
+ keys[i++] = key;
+ });
+ this.writeUint32(kStructHeaderSize + kMapStructPayloadSize);
+ this.writeUint32(0); // version
+ this.encodeArrayPointer(keyClass, keys);
+ this.encodeArrayPointer(valueClass, values);
+ }
+
+ Encoder.prototype.encodeMapPointer = function(keyClass, valueClass, val) {
+ if (val == null) {
+ // Also handles undefined, since undefined == null.
+ this.encodePointer(val);
+ return;
+ }
+ if (!(val instanceof Map)) {
+ throw new Error(kErrorMap);
+ }
+ var encodedSize = kStructHeaderSize + kMapStructPayloadSize;
+ var encoder = this.createAndEncodeEncoder(encodedSize);
+ encoder.encodeMap(keyClass, valueClass, val);
+ };
+
+ // Message ------------------------------------------------------------------
+
+ var kMessageInterfaceIdOffset = kStructHeaderSize;
+ var kMessageNameOffset = kMessageInterfaceIdOffset + 4;
+ var kMessageFlagsOffset = kMessageNameOffset + 4;
+ var kMessageRequestIDOffset = kMessageFlagsOffset + 8;
+
+ var kMessageExpectsResponse = 1 << 0;
+ var kMessageIsResponse = 1 << 1;
+
+ function Message(buffer, handles) {
+ this.buffer = buffer;
+ this.handles = handles;
+ }
+
+ Message.prototype.getHeaderNumBytes = function() {
+ return this.buffer.getUint32(kStructHeaderNumBytesOffset);
+ };
+
+ Message.prototype.getHeaderVersion = function() {
+ return this.buffer.getUint32(kStructHeaderVersionOffset);
+ };
+
+ Message.prototype.getName = function() {
+ return this.buffer.getUint32(kMessageNameOffset);
+ };
+
+ Message.prototype.getFlags = function() {
+ return this.buffer.getUint32(kMessageFlagsOffset);
+ };
+
+ Message.prototype.isResponse = function() {
+ return (this.getFlags() & kMessageIsResponse) != 0;
+ };
+
+ Message.prototype.expectsResponse = function() {
+ return (this.getFlags() & kMessageExpectsResponse) != 0;
+ };
+
+ Message.prototype.setRequestID = function(requestID) {
+ // TODO(darin): Verify that space was reserved for this field!
+ this.buffer.setUint64(kMessageRequestIDOffset, requestID);
+ };
+
+
+ // MessageBuilder -----------------------------------------------------------
+
+ function MessageBuilder(messageName, payloadSize) {
+ // Currently, we don't compute the payload size correctly ahead of time.
+ // Instead, we resize the buffer at the end.
+ var numberOfBytes = kMessageHeaderSize + payloadSize;
+ this.buffer = new internal.Buffer(numberOfBytes);
+ this.handles = [];
+ var encoder = this.createEncoder(kMessageHeaderSize);
+ encoder.writeUint32(kMessageHeaderSize);
+ encoder.writeUint32(0); // version.
+ encoder.writeUint32(0); // interface ID.
+ encoder.writeUint32(messageName);
+ encoder.writeUint32(0); // flags.
+ encoder.writeUint32(0); // padding.
+ }
+
+ MessageBuilder.prototype.createEncoder = function(size) {
+ var pointer = this.buffer.alloc(size);
+ return new Encoder(this.buffer, this.handles, pointer);
+ };
+
+ MessageBuilder.prototype.encodeStruct = function(cls, val) {
+ cls.encode(this.createEncoder(cls.encodedSize), val);
+ };
+
+ MessageBuilder.prototype.finish = function() {
+ // TODO(abarth): Rather than resizing the buffer at the end, we could
+ // compute the size we need ahead of time, like we do in C++.
+ this.buffer.trim();
+ var message = new Message(this.buffer, this.handles);
+ this.buffer = null;
+ this.handles = null;
+ this.encoder = null;
+ return message;
+ };
+
+ // MessageWithRequestIDBuilder -----------------------------------------------
+
+ function MessageWithRequestIDBuilder(messageName, payloadSize, flags,
+ requestID) {
+ // Currently, we don't compute the payload size correctly ahead of time.
+ // Instead, we resize the buffer at the end.
+ var numberOfBytes = kMessageWithRequestIDHeaderSize + payloadSize;
+ this.buffer = new internal.Buffer(numberOfBytes);
+ this.handles = [];
+ var encoder = this.createEncoder(kMessageWithRequestIDHeaderSize);
+ encoder.writeUint32(kMessageWithRequestIDHeaderSize);
+ encoder.writeUint32(1); // version.
+ encoder.writeUint32(0); // interface ID.
+ encoder.writeUint32(messageName);
+ encoder.writeUint32(flags);
+ encoder.writeUint32(0); // padding.
+ encoder.writeUint64(requestID);
+ }
+
+ MessageWithRequestIDBuilder.prototype =
+ Object.create(MessageBuilder.prototype);
+
+ MessageWithRequestIDBuilder.prototype.constructor =
+ MessageWithRequestIDBuilder;
+
+ // MessageReader ------------------------------------------------------------
+
+ function MessageReader(message) {
+ this.decoder = new Decoder(message.buffer, message.handles, 0);
+ var messageHeaderSize = this.decoder.readUint32();
+ this.payloadSize = message.buffer.byteLength - messageHeaderSize;
+ var version = this.decoder.readUint32();
+ var interface_id = this.decoder.readUint32();
+ if (interface_id != 0) {
+ throw new Error("Receiving non-zero interface ID. Associated interfaces " +
+ "are not yet supported.");
+ }
+ this.messageName = this.decoder.readUint32();
+ this.flags = this.decoder.readUint32();
+ // Skip the padding.
+ this.decoder.skip(4);
+ if (version >= 1)
+ this.requestID = this.decoder.readUint64();
+ this.decoder.skip(messageHeaderSize - this.decoder.next);
+ }
+
+ MessageReader.prototype.decodeStruct = function(cls) {
+ return cls.decode(this.decoder);
+ };
+
+ // Built-in types -----------------------------------------------------------
+
+ // This type is only used with ArrayOf(PackedBool).
+ function PackedBool() {
+ }
+
+ function Int8() {
+ }
+
+ Int8.encodedSize = 1;
+
+ Int8.decode = function(decoder) {
+ return decoder.readInt8();
+ };
+
+ Int8.encode = function(encoder, val) {
+ encoder.writeInt8(val);
+ };
+
+ Uint8.encode = function(encoder, val) {
+ encoder.writeUint8(val);
+ };
+
+ function Uint8() {
+ }
+
+ Uint8.encodedSize = 1;
+
+ Uint8.decode = function(decoder) {
+ return decoder.readUint8();
+ };
+
+ Uint8.encode = function(encoder, val) {
+ encoder.writeUint8(val);
+ };
+
+ function Int16() {
+ }
+
+ Int16.encodedSize = 2;
+
+ Int16.decode = function(decoder) {
+ return decoder.readInt16();
+ };
+
+ Int16.encode = function(encoder, val) {
+ encoder.writeInt16(val);
+ };
+
+ function Uint16() {
+ }
+
+ Uint16.encodedSize = 2;
+
+ Uint16.decode = function(decoder) {
+ return decoder.readUint16();
+ };
+
+ Uint16.encode = function(encoder, val) {
+ encoder.writeUint16(val);
+ };
+
+ function Int32() {
+ }
+
+ Int32.encodedSize = 4;
+
+ Int32.decode = function(decoder) {
+ return decoder.readInt32();
+ };
+
+ Int32.encode = function(encoder, val) {
+ encoder.writeInt32(val);
+ };
+
+ function Uint32() {
+ }
+
+ Uint32.encodedSize = 4;
+
+ Uint32.decode = function(decoder) {
+ return decoder.readUint32();
+ };
+
+ Uint32.encode = function(encoder, val) {
+ encoder.writeUint32(val);
+ };
+
+ function Int64() {
+ }
+
+ Int64.encodedSize = 8;
+
+ Int64.decode = function(decoder) {
+ return decoder.readInt64();
+ };
+
+ Int64.encode = function(encoder, val) {
+ encoder.writeInt64(val);
+ };
+
+ function Uint64() {
+ }
+
+ Uint64.encodedSize = 8;
+
+ Uint64.decode = function(decoder) {
+ return decoder.readUint64();
+ };
+
+ Uint64.encode = function(encoder, val) {
+ encoder.writeUint64(val);
+ };
+
+ function String() {
+ };
+
+ String.encodedSize = 8;
+
+ String.decode = function(decoder) {
+ return decoder.decodeStringPointer();
+ };
+
+ String.encode = function(encoder, val) {
+ encoder.encodeStringPointer(val);
+ };
+
+ function NullableString() {
+ }
+
+ NullableString.encodedSize = String.encodedSize;
+
+ NullableString.decode = String.decode;
+
+ NullableString.encode = String.encode;
+
+ function Float() {
+ }
+
+ Float.encodedSize = 4;
+
+ Float.decode = function(decoder) {
+ return decoder.readFloat();
+ };
+
+ Float.encode = function(encoder, val) {
+ encoder.writeFloat(val);
+ };
+
+ function Double() {
+ }
+
+ Double.encodedSize = 8;
+
+ Double.decode = function(decoder) {
+ return decoder.readDouble();
+ };
+
+ Double.encode = function(encoder, val) {
+ encoder.writeDouble(val);
+ };
+
+ function Enum(cls) {
+ this.cls = cls;
+ }
+
+ Enum.prototype.encodedSize = 4;
+
+ Enum.prototype.decode = function(decoder) {
+ return decoder.readInt32();
+ };
+
+ Enum.prototype.encode = function(encoder, val) {
+ encoder.writeInt32(val);
+ };
+
+ function PointerTo(cls) {
+ this.cls = cls;
+ }
+
+ PointerTo.prototype.encodedSize = 8;
+
+ PointerTo.prototype.decode = function(decoder) {
+ var pointer = decoder.decodePointer();
+ if (!pointer) {
+ return null;
+ }
+ return this.cls.decode(decoder.decodeAndCreateDecoder(pointer));
+ };
+
+ PointerTo.prototype.encode = function(encoder, val) {
+ if (!val) {
+ encoder.encodePointer(val);
+ return;
+ }
+ var objectEncoder = encoder.createAndEncodeEncoder(this.cls.encodedSize);
+ this.cls.encode(objectEncoder, val);
+ };
+
+ function NullablePointerTo(cls) {
+ PointerTo.call(this, cls);
+ }
+
+ NullablePointerTo.prototype = Object.create(PointerTo.prototype);
+
+ function ArrayOf(cls, length) {
+ this.cls = cls;
+ this.length = length || 0;
+ }
+
+ ArrayOf.prototype.encodedSize = 8;
+
+ ArrayOf.prototype.dimensions = function() {
+ return [this.length].concat(
+ (this.cls instanceof ArrayOf) ? this.cls.dimensions() : []);
+ }
+
+ ArrayOf.prototype.decode = function(decoder) {
+ return decoder.decodeArrayPointer(this.cls);
+ };
+
+ ArrayOf.prototype.encode = function(encoder, val) {
+ encoder.encodeArrayPointer(this.cls, val);
+ };
+
+ function NullableArrayOf(cls) {
+ ArrayOf.call(this, cls);
+ }
+
+ NullableArrayOf.prototype = Object.create(ArrayOf.prototype);
+
+ function Handle() {
+ }
+
+ Handle.encodedSize = 4;
+
+ Handle.decode = function(decoder) {
+ return decoder.decodeHandle();
+ };
+
+ Handle.encode = function(encoder, val) {
+ encoder.encodeHandle(val);
+ };
+
+ function NullableHandle() {
+ }
+
+ NullableHandle.encodedSize = Handle.encodedSize;
+
+ NullableHandle.decode = Handle.decode;
+
+ NullableHandle.encode = Handle.encode;
+
+ function Interface(cls) {
+ this.cls = cls;
+ }
+
+ Interface.prototype.encodedSize = 8;
+
+ Interface.prototype.decode = function(decoder) {
+ var interfacePtrInfo = new mojo.InterfacePtrInfo(
+ decoder.decodeHandle(), decoder.readUint32());
+ var interfacePtr = new this.cls();
+ interfacePtr.ptr.bind(interfacePtrInfo);
+ return interfacePtr;
+ };
+
+ Interface.prototype.encode = function(encoder, val) {
+ var interfacePtrInfo =
+ val ? val.ptr.passInterface() : new mojo.InterfacePtrInfo(null, 0);
+ encoder.encodeHandle(interfacePtrInfo.handle);
+ encoder.writeUint32(interfacePtrInfo.version);
+ };
+
+ function NullableInterface(cls) {
+ Interface.call(this, cls);
+ }
+
+ NullableInterface.prototype = Object.create(Interface.prototype);
+
+ function InterfaceRequest() {
+ }
+
+ InterfaceRequest.encodedSize = 4;
+
+ InterfaceRequest.decode = function(decoder) {
+ return new mojo.InterfaceRequest(decoder.decodeHandle());
+ };
+
+ InterfaceRequest.encode = function(encoder, val) {
+ encoder.encodeHandle(val ? val.handle : null);
+ };
+
+ function NullableInterfaceRequest() {
+ }
+
+ NullableInterfaceRequest.encodedSize = InterfaceRequest.encodedSize;
+
+ NullableInterfaceRequest.decode = InterfaceRequest.decode;
+
+ NullableInterfaceRequest.encode = InterfaceRequest.encode;
+
+ function MapOf(keyClass, valueClass) {
+ this.keyClass = keyClass;
+ this.valueClass = valueClass;
+ }
+
+ MapOf.prototype.encodedSize = 8;
+
+ MapOf.prototype.decode = function(decoder) {
+ return decoder.decodeMapPointer(this.keyClass, this.valueClass);
+ };
+
+ MapOf.prototype.encode = function(encoder, val) {
+ encoder.encodeMapPointer(this.keyClass, this.valueClass, val);
+ };
+
+ function NullableMapOf(keyClass, valueClass) {
+ MapOf.call(this, keyClass, valueClass);
+ }
+
+ NullableMapOf.prototype = Object.create(MapOf.prototype);
+
+ internal.align = align;
+ internal.isAligned = isAligned;
+ internal.Message = Message;
+ internal.MessageBuilder = MessageBuilder;
+ internal.MessageWithRequestIDBuilder = MessageWithRequestIDBuilder;
+ internal.MessageReader = MessageReader;
+ internal.kArrayHeaderSize = kArrayHeaderSize;
+ internal.kMapStructPayloadSize = kMapStructPayloadSize;
+ internal.kStructHeaderSize = kStructHeaderSize;
+ internal.kEncodedInvalidHandleValue = kEncodedInvalidHandleValue;
+ internal.kMessageHeaderSize = kMessageHeaderSize;
+ internal.kMessageWithRequestIDHeaderSize = kMessageWithRequestIDHeaderSize;
+ internal.kMessageExpectsResponse = kMessageExpectsResponse;
+ internal.kMessageIsResponse = kMessageIsResponse;
+ internal.Int8 = Int8;
+ internal.Uint8 = Uint8;
+ internal.Int16 = Int16;
+ internal.Uint16 = Uint16;
+ internal.Int32 = Int32;
+ internal.Uint32 = Uint32;
+ internal.Int64 = Int64;
+ internal.Uint64 = Uint64;
+ internal.Float = Float;
+ internal.Double = Double;
+ internal.String = String;
+ internal.Enum = Enum;
+ internal.NullableString = NullableString;
+ internal.PointerTo = PointerTo;
+ internal.NullablePointerTo = NullablePointerTo;
+ internal.ArrayOf = ArrayOf;
+ internal.NullableArrayOf = NullableArrayOf;
+ internal.PackedBool = PackedBool;
+ internal.Handle = Handle;
+ internal.NullableHandle = NullableHandle;
+ internal.Interface = Interface;
+ internal.NullableInterface = NullableInterface;
+ internal.InterfaceRequest = InterfaceRequest;
+ internal.NullableInterfaceRequest = NullableInterfaceRequest;
+ internal.MapOf = MapOf;
+ internal.NullableMapOf = NullableMapOf;
+})();