blob: 2daac0b350fe17114314f9d622985db8374546b4 [file] [log] [blame]
// Copyright (c) 2006-2008 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 "chrome/renderer/automation/dom_automation_controller.h"
#include "chrome/common/render_messages.h"
#include "content/common/json_value_serializer.h"
#include "base/string_util.h"
DomAutomationController::DomAutomationController()
: sender_(NULL),
routing_id_(MSG_ROUTING_NONE),
automation_id_(MSG_ROUTING_NONE) {
BindMethod("send", &DomAutomationController::Send);
BindMethod("setAutomationId", &DomAutomationController::SetAutomationId);
BindMethod("sendJSON", &DomAutomationController::SendJSON);
}
void DomAutomationController::Send(const CppArgumentList& args,
CppVariant* result) {
if (args.size() != 1) {
result->SetNull();
return;
}
if (automation_id_ == MSG_ROUTING_NONE) {
result->SetNull();
return;
}
if (!sender_) {
NOTREACHED();
result->SetNull();
return;
}
std::string json;
JSONStringValueSerializer serializer(&json);
scoped_ptr<Value> value;
// Warning: note that JSON officially requires the root-level object to be
// an object (e.g. {foo:3}) or an array, while here we're serializing
// strings, bools, etc. to "JSON". This only works because (a) the JSON
// writer is lenient, and (b) on the receiving side we wrap the JSON string
// in square brackets, converting it to an array, then parsing it and
// grabbing the 0th element to get the value out.
switch (args[0].type) {
case NPVariantType_String: {
value.reset(Value::CreateStringValue(args[0].ToString()));
break;
}
case NPVariantType_Bool: {
value.reset(Value::CreateBooleanValue(args[0].ToBoolean()));
break;
}
case NPVariantType_Int32: {
value.reset(Value::CreateIntegerValue(args[0].ToInt32()));
break;
}
case NPVariantType_Double: {
// The value that is sent back is an integer while it is treated
// as a double in this binding. The reason being that KJS treats
// any number value as a double. Refer for more details,
// chrome/third_party/webkit/src/JavaScriptCore/bindings/c/c_utility.cpp
value.reset(Value::CreateIntegerValue(args[0].ToInt32()));
break;
}
default: {
result->SetNull();
return;
}
}
if (!serializer.Serialize(*value)) {
result->SetNull();
return;
}
bool succeeded = sender_->Send(
new ChromeViewHostMsg_DomOperationResponse(routing_id_,
json,
automation_id_));
result->Set(succeeded);
automation_id_ = MSG_ROUTING_NONE;
}
void DomAutomationController::SendJSON(const CppArgumentList& args,
CppVariant* result) {
if (args.size() != 1) {
result->SetNull();
return;
}
if (automation_id_ == MSG_ROUTING_NONE) {
result->SetNull();
return;
}
if (!sender_) {
NOTREACHED();
result->SetNull();
return;
}
if (args[0].type != NPVariantType_String) {
result->SetNull();
return;
}
std::string json = args[0].ToString();
result->Set(sender_->Send(
new ChromeViewHostMsg_DomOperationResponse(routing_id_,
json,
automation_id_)));
automation_id_ = MSG_ROUTING_NONE;
}
void DomAutomationController::SetAutomationId(
const CppArgumentList& args, CppVariant* result) {
if (args.size() != 1) {
result->SetNull();
return;
}
// The check here is for NumberType and not Int32 as
// KJS::JSType only defines a NumberType (no Int32)
if (!args[0].isNumber()) {
result->SetNull();
return;
}
automation_id_ = args[0].ToInt32();
result->Set(true);
}