5a6483ffda
v8::Global is movable, so no need to heap-allocate them. R=yangguo@chromium.org, kozyatinskiy@chromium.org Review-Url: https://codereview.chromium.org/2537433002 Cr-Commit-Position: refs/heads/master@{#41379}
90 lines
3.5 KiB
C++
90 lines
3.5 KiB
C++
// Copyright 2015 the V8 project 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 "src/inspector/injected-script-native.h"
|
|
|
|
namespace v8_inspector {
|
|
|
|
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::Isolate* isolate, v8::Local<v8::Object> injectedScriptObject) {
|
|
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.insert(
|
|
std::make_pair(id, 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 v8_inspector
|