[WIP] Mojo native bindings interface.

third_party/WebKit/Source/core/mojo/Mojo.h

Index: third_party/WebKit/Source/core/mojo/Mojo.h
diff --git a/third_party/WebKit/Source/core/mojo/Mojo.h b/third_party/WebKit/Source/core/mojo/Mojo.h
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+// Copyright 2016 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.
+
+#ifndef Mojo_h
+#define Mojo_h
+
+#include "bindings/core/v8/ScriptWrappable.h"
+#include "mojo/public/cpp/system/core.h"
+
+namespace blink {
+
+class ArrayBufferOrArrayBufferView;
+class MojoCreateMessagePipeOptions;
+class MojoCreateMessagePipeResult;
+class MojoHandle;
+class MojoReadMessageResult;
+class MojoWatchCallback;
+class MojoWatcher;
+class ScriptState;
+
+class Mojo final : public GarbageCollected<Mojo>, public ScriptWrappable {
+  DEFINE_WRAPPERTYPEINFO();
+
+ public:
+  CORE_EXPORT static Mojo* create();
+
+  // MojoResult
+  static const MojoResult kResultOk = MOJO_HANDLE_SIGNAL_NONE;
+  static const MojoResult kResultCancelled = MOJO_RESULT_CANCELLED;
+  static const MojoResult kResultUnknown = MOJO_RESULT_UNKNOWN;
+  static const MojoResult kResultInvalidArgument = MOJO_RESULT_INVALID_ARGUMENT;
+  static const MojoResult kResultDeadlineExceeded =
+      MOJO_RESULT_DEADLINE_EXCEEDED;
+  static const MojoResult kResultNotFound = MOJO_RESULT_NOT_FOUND;
+  static const MojoResult kResultAlreadyExists = MOJO_RESULT_ALREADY_EXISTS;
+  static const MojoResult kResultPermissionDenied =
+      MOJO_RESULT_PERMISSION_DENIED;
+  static const MojoResult kResultResourceExhausted =
+      MOJO_RESULT_RESOURCE_EXHAUSTED;
+  static const MojoResult kResultFailedPrecondition =
+      MOJO_RESULT_FAILED_PRECONDITION;
+  static const MojoResult kResultAborted = MOJO_RESULT_ABORTED;
+  static const MojoResult kResultOutOfRange = MOJO_RESULT_OUT_OF_RANGE;
+  static const MojoResult kResultUnimplemented = MOJO_RESULT_UNIMPLEMENTED;
+  static const MojoResult kResultInternal = MOJO_RESULT_INTERNAL;
+  static const MojoResult kResultUnavailable = MOJO_RESULT_UNAVAILABLE;
+  static const MojoResult kResultDataLoss = MOJO_RESULT_DATA_LOSS;
+  static const MojoResult kResultBusy = MOJO_RESULT_BUSY;
+  static const MojoResult kResultShouldWait = MOJO_RESULT_SHOULD_WAIT;
+
+  // MojoHandleSignals
+  static const MojoHandleSignals kHandleSignalNone = MOJO_HANDLE_SIGNAL_NONE;
+  static const MojoHandleSignals kHandleSignalReadable =
+      MOJO_HANDLE_SIGNAL_READABLE;
+  static const MojoHandleSignals kHandleSignalWritable =
+      MOJO_HANDLE_SIGNAL_WRITABLE;
+  static const MojoHandleSignals kHandleSignalPeerClosed =
+      MOJO_HANDLE_SIGNAL_PEER_CLOSED;
+
+  // MessagePipe flags.
+  static const MojoCreateMessagePipeOptionsFlags
+      kCreateMessagePipeOptionsFlagNone =
+          MOJO_CREATE_MESSAGE_PIPE_OPTIONS_FLAG_NONE;
+  static const MojoWriteMessageFlags kWriteMessageFlagNone =
+      MOJO_WRITE_MESSAGE_FLAG_NONE;
+  static const MojoReadMessageFlags kReadMessageFlagNone =
+      MOJO_READ_MESSAGE_FLAG_NONE;
+  static const MojoReadMessageFlags kReadMessageFlagMayDiscard =
+      MOJO_READ_MESSAGE_FLAG_MAY_DISCARD;
+
+  MojoWatcher* watch(ScriptState*,
+                     MojoHandle*,
+                     MojoHandleSignals,
+                     MojoWatchCallback*);
+
+  void createMessagePipe(const MojoCreateMessagePipeOptions&,
+                         MojoCreateMessagePipeResult&);
+  MojoResult writeMessage(MojoHandle*,
+                          ArrayBufferOrArrayBufferView&,
+                          const HeapVector<Member<MojoHandle>>&,
+                          MojoWriteMessageFlags);
+  void readMessage(MojoHandle*, MojoReadMessageFlags, MojoReadMessageResult&);
+
+  DEFINE_INLINE_TRACE() {}
+};
+
+}  // namespace blink
+
+#endif  // Mojo_h