1 // Copyright 2014 The Chromium Authors. All rights reserved.
2 // Use of this source code is governed by a BSD-style license that can be
3 // found in the LICENSE file.
4
5 #include "mojo/bindings/js/handle.h"
6
7 #include "mojo/bindings/js/handle_close_observer.h"
8
9 namespace gin {
10
11 gin::WrapperInfo HandleWrapper::kWrapperInfo = { gin::kEmbedderNativeGin };
12
HandleWrapper(MojoHandle handle)13 HandleWrapper::HandleWrapper(MojoHandle handle)
14 : handle_(mojo::Handle(handle)) {
15 }
16
~HandleWrapper()17 HandleWrapper::~HandleWrapper() {
18 NotifyCloseObservers();
19 }
20
Close()21 void HandleWrapper::Close() {
22 NotifyCloseObservers();
23 handle_.reset();
24 }
25
AddCloseObserver(HandleCloseObserver * observer)26 void HandleWrapper::AddCloseObserver(HandleCloseObserver* observer) {
27 close_observers_.AddObserver(observer);
28 }
29
RemoveCloseObserver(HandleCloseObserver * observer)30 void HandleWrapper::RemoveCloseObserver(HandleCloseObserver* observer) {
31 close_observers_.RemoveObserver(observer);
32 }
33
NotifyCloseObservers()34 void HandleWrapper::NotifyCloseObservers() {
35 if (!handle_.is_valid())
36 return;
37
38 FOR_EACH_OBSERVER(HandleCloseObserver, close_observers_, OnWillCloseHandle());
39 }
40
ToV8(v8::Isolate * isolate,const mojo::Handle & val)41 v8::Handle<v8::Value> Converter<mojo::Handle>::ToV8(v8::Isolate* isolate,
42 const mojo::Handle& val) {
43 if (!val.is_valid())
44 return v8::Null(isolate);
45 return HandleWrapper::Create(isolate, val.value()).ToV8();
46 }
47
FromV8(v8::Isolate * isolate,v8::Handle<v8::Value> val,mojo::Handle * out)48 bool Converter<mojo::Handle>::FromV8(v8::Isolate* isolate,
49 v8::Handle<v8::Value> val,
50 mojo::Handle* out) {
51 if (val->IsNull()) {
52 *out = mojo::Handle();
53 return true;
54 }
55
56 gin::Handle<HandleWrapper> handle;
57 if (!Converter<gin::Handle<HandleWrapper> >::FromV8(isolate, val, &handle))
58 return false;
59
60 *out = handle->get();
61 return true;
62 }
63
64 } // namespace gin
65