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Unified Diff: src/inspector/InjectedScriptNative.cpp

Issue 2292573002: [inspector] Initial import of v8_inspector. (Closed)
Patch Set: format the code, disable cpplint Created 4 years, 3 months ago
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Index: src/inspector/InjectedScriptNative.cpp
diff --git a/src/inspector/InjectedScriptNative.cpp b/src/inspector/InjectedScriptNative.cpp
new file mode 100644
index 0000000000000000000000000000000000000000..c5b7fa0cde4470bf6bc066319b5d587e15b98307
--- /dev/null
+++ b/src/inspector/InjectedScriptNative.cpp
@@ -0,0 +1,90 @@
+// 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/InjectedScriptNative.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::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 v8_inspector
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