1 // Copyright 2013 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/apps/js/bindings/support.h"
6
7 #include "base/bind.h"
8 #include "gin/arguments.h"
9 #include "gin/converter.h"
10 #include "gin/function_template.h"
11 #include "gin/object_template_builder.h"
12 #include "gin/per_isolate_data.h"
13 #include "gin/public/wrapper_info.h"
14 #include "gin/wrappable.h"
15 #include "mojo/apps/js/bindings/handle.h"
16 #include "mojo/apps/js/bindings/waiting_callback.h"
17 #include "mojo/public/bindings/lib/bindings_support.h"
18
19 namespace mojo {
20 namespace js {
21
22 namespace {
23
AsyncWait(const gin::Arguments & args,mojo::Handle handle,MojoWaitFlags flags,v8::Handle<v8::Function> callback)24 WaitingCallback* AsyncWait(const gin::Arguments& args, mojo::Handle handle,
25 MojoWaitFlags flags,
26 v8::Handle<v8::Function> callback) {
27 gin::Handle<WaitingCallback> waiting_callback =
28 WaitingCallback::Create(args.isolate(), callback);
29
30 BindingsSupport::AsyncWaitID wait_id = BindingsSupport::Get()->AsyncWait(
31 handle, flags, waiting_callback.get());
32
33 waiting_callback->set_wait_id(wait_id);
34
35 return waiting_callback.get();
36 }
37
CancelWait(WaitingCallback * waiting_callback)38 void CancelWait(WaitingCallback* waiting_callback) {
39 if (!waiting_callback->wait_id())
40 return;
41 BindingsSupport::Get()->CancelWait(waiting_callback->wait_id());
42 waiting_callback->set_wait_id(NULL);
43 }
44
45 gin::WrapperInfo g_wrapper_info = { gin::kEmbedderNativeGin };
46
47 } // namespace
48
49 const char Support::kModuleName[] = "mojo/apps/js/bindings/support";
50
GetTemplate(v8::Isolate * isolate)51 v8::Local<v8::ObjectTemplate> Support::GetTemplate(v8::Isolate* isolate) {
52 gin::PerIsolateData* data = gin::PerIsolateData::From(isolate);
53 v8::Local<v8::ObjectTemplate> templ = data->GetObjectTemplate(
54 &g_wrapper_info);
55
56 if (templ.IsEmpty()) {
57 WaitingCallback::EnsureRegistered(isolate);
58
59 templ = gin::ObjectTemplateBuilder(isolate)
60 .SetMethod("asyncWait", AsyncWait)
61 .SetMethod("cancelWait", CancelWait)
62 .Build();
63
64 data->SetObjectTemplate(&g_wrapper_info, templ);
65 }
66
67 return templ;
68 }
69
70 } // namespace js
71 } // namespace mojo
72