Move mojo/bindings/js to mojo/edk/js

mojo/bindings/js/handle.h

-// 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.
-
-#ifndef MOJO_BINDINGS_JS_HANDLE_H_
-#define MOJO_BINDINGS_JS_HANDLE_H_
-
-#include "base/observer_list.h"
-#include "gin/converter.h"
-#include "gin/handle.h"
-#include "gin/object_template_builder.h"
-#include "gin/wrappable.h"
-#include "mojo/public/cpp/system/core.h"
-
-namespace mojo {
-namespace js {
-class HandleCloseObserver;
-
-// Wrapper for mojo Handles exposed to JavaScript. This ensures the Handle
-// is Closed when its JS object is garbage collected.
-class HandleWrapper : public gin::Wrappable<HandleWrapper> {
- public:
-  static gin::WrapperInfo kWrapperInfo;
-
-  static gin::Handle<HandleWrapper> Create(v8::Isolate* isolate,
-                                           MojoHandle handle) {
-    return gin::CreateHandle(isolate, new HandleWrapper(handle));
-  }
-
-  std::string ToString();
-
-  gin::ObjectTemplateBuilder GetObjectTemplateBuilder(v8::Isolate* isolate)
-      override;
-
-  mojo::Handle get() const { return handle_.get(); }
-  mojo::Handle release() { return handle_.release(); }
-  void Close();
-
-  void AddCloseObserver(HandleCloseObserver* observer);
-  void RemoveCloseObserver(HandleCloseObserver* observer);
-
- protected:
-  HandleWrapper(MojoHandle handle);
-  ~HandleWrapper() override;
-  void NotifyCloseObservers();
-
-  mojo::ScopedHandle handle_;
-  ObserverList<HandleCloseObserver> close_observers_;
-};
-
-}  // namespace js
-}  // namespace mojo
-
-namespace gin {
-
-// Note: It's important to use this converter rather than the one for
-// MojoHandle, since that will do a simple int32 conversion. It's unfortunate
-// there's no way to prevent against accidental use.
-// TODO(mpcomplete): define converters for all Handle subtypes.
-template<>
-struct Converter<mojo::Handle> {
-  static v8::Handle<v8::Value> ToV8(v8::Isolate* isolate,
-                                    const mojo::Handle& val);
-  static bool FromV8(v8::Isolate* isolate, v8::Handle<v8::Value> val,
-                     mojo::Handle* out);
-};
-
-template<>
-struct Converter<mojo::MessagePipeHandle> {
-  static v8::Handle<v8::Value> ToV8(v8::Isolate* isolate,
-                                    mojo::MessagePipeHandle val);
-  static bool FromV8(v8::Isolate* isolate,
-                     v8::Handle<v8::Value> val,
-                     mojo::MessagePipeHandle* out);
-};
-
-// We need to specialize the normal gin::Handle converter in order to handle
-// converting |null| to a wrapper for an empty mojo::Handle.
-template<>
-struct Converter<gin::Handle<mojo::js::HandleWrapper> > {
-  static v8::Handle<v8::Value> ToV8(
-        v8::Isolate* isolate, const gin::Handle<mojo::js::HandleWrapper>& val) {
-    return val.ToV8();
-  }
-
-  static bool FromV8(v8::Isolate* isolate, v8::Handle<v8::Value> val,
-                     gin::Handle<mojo::js::HandleWrapper>* out) {
-    if (val->IsNull()) {
-      *out = mojo::js::HandleWrapper::Create(isolate, MOJO_HANDLE_INVALID);
-      return true;
-    }
-
-    mojo::js::HandleWrapper* object = NULL;
-    if (!Converter<mojo::js::HandleWrapper*>::FromV8(isolate, val, &object)) {
-      return false;
-    }
-    *out = gin::Handle<mojo::js::HandleWrapper>(val, object);
-    return true;
-  }
-};
-
-}  // namespace gin
-
-#endif  // MOJO_BINDINGS_JS_HANDLE_H_