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 13 HandleWrapper::HandleWrapper(MojoHandle handle) 14 : handle_(mojo::Handle(handle)) { 15 } 16 17 HandleWrapper::~HandleWrapper() { 18 NotifyCloseObservers(); 19 } 20 21 void HandleWrapper::Close() { 22 NotifyCloseObservers(); 23 handle_.reset(); 24 } 25 26 void HandleWrapper::AddCloseObserver(HandleCloseObserver* observer) { 27 close_observers_.AddObserver(observer); 28 } 29 30 void HandleWrapper::RemoveCloseObserver(HandleCloseObserver* observer) { 31 close_observers_.RemoveObserver(observer); 32 } 33 34 void HandleWrapper::NotifyCloseObservers() { 35 if (!handle_.is_valid()) 36 return; 37 38 FOR_EACH_OBSERVER(HandleCloseObserver, close_observers_, OnWillCloseHandle()); 39 } 40 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 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
