| // Copyright 2017 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. |
| |
| #include "platform/bindings/CallbackInterfaceBase.h" |
| |
| namespace blink { |
| |
| CallbackInterfaceBase::CallbackInterfaceBase( |
| v8::Local<v8::Object> callback_object, |
| SingleOperationOrNot single_op_or_not) { |
| DCHECK(!callback_object.IsEmpty()); |
| |
| callback_relevant_script_state_ = |
| ScriptState::From(callback_object->CreationContext()); |
| v8::Isolate* isolate = callback_relevant_script_state_->GetIsolate(); |
| |
| callback_object_.Set(isolate, callback_object); |
| is_callback_object_callable_ = |
| (single_op_or_not == kSingleOperation) && callback_object->IsCallable(); |
| incumbent_script_state_ = ScriptState::From(isolate->GetIncumbentContext()); |
| } |
| |
| V8PersistentCallbackInterfaceBase::V8PersistentCallbackInterfaceBase( |
| CallbackInterfaceBase* callback_interface) |
| : callback_interface_(callback_interface) { |
| v8_object_.Reset(callback_interface_->GetIsolate(), |
| callback_interface_->callback_object_.Get()); |
| } |
| |
| void V8PersistentCallbackInterfaceBase::Trace(blink::Visitor* visitor) { |
| visitor->Trace(callback_interface_); |
| } |
| |
| } // namespace blink |
