InjectedScript InjectedScriptManager::injectedScriptFor(ExecState* inspectedExecState)
{
auto it = m_scriptStateToId.find(inspectedExecState);
if (it != m_scriptStateToId.end()) {
auto it1 = m_idToInjectedScript.find(it->value);
if (it1 != m_idToInjectedScript.end())
return it1->value;
}
if (!m_environment.canAccessInspectedScriptState(inspectedExecState))
return InjectedScript();
int id = injectedScriptIdFor(inspectedExecState);
Deprecated::ScriptObject injectedScriptObject = createInjectedScript(injectedScriptSource(), inspectedExecState, id);
if (injectedScriptObject.scriptState() != inspectedExecState) {
WTFLogAlways("Failed to parse/execute InjectedScriptSource.js!");
WTFLogAlways("%s\n", injectedScriptSource().ascii().data());
RELEASE_ASSERT_NOT_REACHED();
}
InjectedScript result(injectedScriptObject, &m_environment);
m_idToInjectedScript.set(id, result);
didCreateInjectedScript(result);
return result;
}
JSValue JSHTMLCanvasElement::getContext(ExecState* exec)
{
HTMLCanvasElement& canvas = impl();
const String& contextId = exec->argument(0).toString(exec)->value(exec);
RefPtr<CanvasContextAttributes> attrs;
#if ENABLE(WEBGL)
if (HTMLCanvasElement::is3dType(contextId)) {
get3DContextAttributes(exec, attrs);
if (exec->hadException())
return jsUndefined();
}
#endif
CanvasRenderingContext* context = canvas.getContext(contextId, attrs.get());
if (!context)
return jsNull();
JSValue jsValue = toJS(exec, globalObject(), WTF::getPtr(context));
if (InspectorInstrumentation::canvasAgentEnabled(&canvas.document())) {
Deprecated::ScriptObject contextObject(exec, jsValue.getObject());
Deprecated::ScriptObject wrapped;
if (context->is2d())
wrapped = InspectorInstrumentation::wrapCanvas2DRenderingContextForInstrumentation(&canvas.document(), contextObject);
#if ENABLE(WEBGL)
else if (context->is3d())
wrapped = InspectorInstrumentation::wrapWebGLRenderingContextForInstrumentation(&canvas.document(), contextObject);
#endif
if (!wrapped.hasNoValue())
return wrapped.jsValue();
}
return jsValue;
}
void ScriptCallArgumentHandler::appendArgument(const Deprecated::ScriptObject& argument)
{
if (argument.scriptState() != m_exec) {
ASSERT_NOT_REACHED();
return;
}
m_arguments.append(argument.jsObject());
}
ScriptFunctionCall::ScriptFunctionCall(const Deprecated::ScriptObject& thisObject, const String& name, ScriptFunctionCallHandler callHandler)
: ScriptCallArgumentHandler(thisObject.scriptState())
, m_callHandler(callHandler)
, m_thisObject(thisObject)
, m_name(name)
{
}
Deprecated::ScriptObject InjectedScriptCanvasModule::callWrapContextFunction(const String& functionName, const Deprecated::ScriptObject& context)
{
Deprecated::ScriptFunctionCall function(injectedScriptObject(), functionName, WebCore::functionCallHandlerFromAnyThread);
function.appendArgument(context);
bool hadException = false;
Deprecated::ScriptValue resultValue = callFunctionWithEvalEnabled(function, hadException);
if (hadException || resultValue.hasNoValue() || !resultValue.isObject()) {
ASSERT_NOT_REACHED();
return Deprecated::ScriptObject();
}
return Deprecated::ScriptObject(context.scriptState(), resultValue);
}
void InspectorHeapProfilerAgent::getObjectByHeapObjectId(ErrorString* error, const String& heapSnapshotObjectId, const String* objectGroup, RefPtr<Inspector::TypeBuilder::Runtime::RemoteObject>& result)
{
bool ok;
unsigned id = heapSnapshotObjectId.toUInt(&ok);
if (!ok) {
*error = "Invalid heap snapshot object id";
return;
}
Deprecated::ScriptObject heapObject = ScriptProfiler::objectByHeapObjectId(id);
if (heapObject.hasNoValue()) {
*error = "Object is not available";
return;
}
InjectedScript injectedScript = m_injectedScriptManager->injectedScriptFor(heapObject.scriptState());
if (injectedScript.hasNoValue()) {
*error = "Object is not available. Inspected context is gone";
return;
}
result = injectedScript.wrapObject(heapObject, objectGroup ? *objectGroup : "");
if (!result)
*error = "Failed to wrap object";
}