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1 // Copyright 2015 the V8 project 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 "src/inspector/InjectedScriptNative.h" | |
6 | |
7 namespace v8_inspector { | |
8 | |
9 InjectedScriptNative::InjectedScriptNative(v8::Isolate* isolate) | |
10 : m_lastBoundObjectId(1), m_isolate(isolate) {} | |
11 | |
12 static const char privateKeyName[] = "v8-inspector#injectedScript"; | |
13 | |
14 InjectedScriptNative::~InjectedScriptNative() {} | |
15 | |
16 void InjectedScriptNative::setOnInjectedScriptHost( | |
17 v8::Local<v8::Object> injectedScriptHost) { | |
18 v8::HandleScope handleScope(m_isolate); | |
19 v8::Local<v8::External> external = v8::External::New(m_isolate, this); | |
20 v8::Local<v8::Private> privateKey = v8::Private::ForApi( | |
21 m_isolate, v8::String::NewFromUtf8(m_isolate, privateKeyName, | |
22 v8::NewStringType::kInternalized) | |
23 .ToLocalChecked()); | |
24 injectedScriptHost->SetPrivate(m_isolate->GetCurrentContext(), privateKey, | |
25 external); | |
26 } | |
27 | |
28 InjectedScriptNative* InjectedScriptNative::fromInjectedScriptHost( | |
29 v8::Isolate* isolate, v8::Local<v8::Object> injectedScriptObject) { | |
30 v8::HandleScope handleScope(isolate); | |
31 v8::Local<v8::Context> context = isolate->GetCurrentContext(); | |
32 v8::Local<v8::Private> privateKey = v8::Private::ForApi( | |
33 isolate, v8::String::NewFromUtf8(isolate, privateKeyName, | |
34 v8::NewStringType::kInternalized) | |
35 .ToLocalChecked()); | |
36 v8::Local<v8::Value> value = | |
37 injectedScriptObject->GetPrivate(context, privateKey).ToLocalChecked(); | |
38 DCHECK(value->IsExternal()); | |
39 v8::Local<v8::External> external = value.As<v8::External>(); | |
40 return static_cast<InjectedScriptNative*>(external->Value()); | |
41 } | |
42 | |
43 int InjectedScriptNative::bind(v8::Local<v8::Value> value, | |
44 const String16& groupName) { | |
45 if (m_lastBoundObjectId <= 0) m_lastBoundObjectId = 1; | |
46 int id = m_lastBoundObjectId++; | |
47 m_idToWrappedObject[id] = | |
48 wrapUnique(new v8::Global<v8::Value>(m_isolate, value)); | |
49 addObjectToGroup(id, groupName); | |
50 return id; | |
51 } | |
52 | |
53 void InjectedScriptNative::unbind(int id) { | |
54 m_idToWrappedObject.erase(id); | |
55 m_idToObjectGroupName.erase(id); | |
56 } | |
57 | |
58 v8::Local<v8::Value> InjectedScriptNative::objectForId(int id) { | |
59 auto iter = m_idToWrappedObject.find(id); | |
60 return iter != m_idToWrappedObject.end() ? iter->second->Get(m_isolate) | |
61 : v8::Local<v8::Value>(); | |
62 } | |
63 | |
64 void InjectedScriptNative::addObjectToGroup(int objectId, | |
65 const String16& groupName) { | |
66 if (groupName.isEmpty()) return; | |
67 if (objectId <= 0) return; | |
68 m_idToObjectGroupName[objectId] = groupName; | |
69 m_nameToObjectGroup[groupName].push_back( | |
70 objectId); // Creates an empty vector if key is not there | |
71 } | |
72 | |
73 void InjectedScriptNative::releaseObjectGroup(const String16& groupName) { | |
74 if (groupName.isEmpty()) return; | |
75 NameToObjectGroup::iterator groupIt = m_nameToObjectGroup.find(groupName); | |
76 if (groupIt == m_nameToObjectGroup.end()) return; | |
77 for (int id : groupIt->second) unbind(id); | |
78 m_nameToObjectGroup.erase(groupIt); | |
79 } | |
80 | |
81 String16 InjectedScriptNative::groupName(int objectId) const { | |
82 if (objectId <= 0) return String16(); | |
83 IdToObjectGroupName::const_iterator iterator = | |
84 m_idToObjectGroupName.find(objectId); | |
85 return iterator != m_idToObjectGroupName.end() ? iterator->second | |
86 : String16(); | |
87 } | |
88 | |
89 } // namespace v8_inspector | |
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