| // Copyright 2015 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/v8_inspector/InjectedScriptNative.h" |
| |
| #include "platform/inspector_protocol/Values.h" |
| |
| namespace blink { |
| |
| InjectedScriptNative::InjectedScriptNative(v8::Isolate* isolate) |
| : m_lastBoundObjectId(1) |
| , m_isolate(isolate) |
| { |
| } |
| |
| static const char privateKeyName[] = "v8-inspector#injectedScript"; |
| |
| InjectedScriptNative::~InjectedScriptNative() { } |
| |
| void InjectedScriptNative::setOnInjectedScriptHost(v8::Local<v8::Object> injectedScriptHost) |
| { |
| v8::HandleScope handleScope(m_isolate); |
| v8::Local<v8::External> external = v8::External::New(m_isolate, this); |
| v8::Local<v8::Private> privateKey = v8::Private::ForApi(m_isolate, v8::String::NewFromUtf8(m_isolate, privateKeyName, v8::NewStringType::kInternalized).ToLocalChecked()); |
| injectedScriptHost->SetPrivate(m_isolate->GetCurrentContext(), privateKey, external); |
| } |
| |
| InjectedScriptNative* InjectedScriptNative::fromInjectedScriptHost(v8::Local<v8::Object> injectedScriptObject) |
| { |
| v8::Isolate* isolate = injectedScriptObject->GetIsolate(); |
| v8::HandleScope handleScope(isolate); |
| v8::Local<v8::Context> context = isolate->GetCurrentContext(); |
| v8::Local<v8::Private> privateKey = v8::Private::ForApi(isolate, v8::String::NewFromUtf8(isolate, privateKeyName, v8::NewStringType::kInternalized).ToLocalChecked()); |
| v8::Local<v8::Value> value = injectedScriptObject->GetPrivate(context, privateKey).ToLocalChecked(); |
| DCHECK(value->IsExternal()); |
| v8::Local<v8::External> external = value.As<v8::External>(); |
| return static_cast<InjectedScriptNative*>(external->Value()); |
| } |
| |
| int InjectedScriptNative::bind(v8::Local<v8::Value> value, const String16& groupName) |
| { |
| if (m_lastBoundObjectId <= 0) |
| m_lastBoundObjectId = 1; |
| int id = m_lastBoundObjectId++; |
| m_idToWrappedObject[id] = wrapUnique(new v8::Global<v8::Value>(m_isolate, value)); |
| addObjectToGroup(id, groupName); |
| return id; |
| } |
| |
| void InjectedScriptNative::unbind(int id) |
| { |
| m_idToWrappedObject.erase(id); |
| m_idToObjectGroupName.erase(id); |
| } |
| |
| v8::Local<v8::Value> InjectedScriptNative::objectForId(int id) |
| { |
| auto iter = m_idToWrappedObject.find(id); |
| return iter != m_idToWrappedObject.end() ? iter->second->Get(m_isolate) : v8::Local<v8::Value>(); |
| } |
| |
| void InjectedScriptNative::addObjectToGroup(int objectId, const String16& groupName) |
| { |
| if (groupName.isEmpty()) |
| return; |
| if (objectId <= 0) |
| return; |
| m_idToObjectGroupName[objectId] = groupName; |
| m_nameToObjectGroup[groupName].push_back(objectId); // Creates an empty vector if key is not there |
| } |
| |
| void InjectedScriptNative::releaseObjectGroup(const String16& groupName) |
| { |
| if (groupName.isEmpty()) |
| return; |
| NameToObjectGroup::iterator groupIt = m_nameToObjectGroup.find(groupName); |
| if (groupIt == m_nameToObjectGroup.end()) |
| return; |
| for (int id : groupIt->second) |
| unbind(id); |
| m_nameToObjectGroup.erase(groupIt); |
| } |
| |
| String16 InjectedScriptNative::groupName(int objectId) const |
| { |
| if (objectId <= 0) |
| return String16(); |
| IdToObjectGroupName::const_iterator iterator = m_idToObjectGroupName.find(objectId); |
| return iterator != m_idToObjectGroupName.end() ? iterator->second : String16(); |
| } |
| |
| } // namespace blink |
| |