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// Copyright (c) 2012 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 "content/public/browser/web_ui_message_handler.h"
#include "base/i18n/rtl.h"
#include "base/logging.h"
#include "base/values.h"
#include "base/string_number_conversions.h"
#include "base/utf_string_conversions.h"
#include "googleurl/src/gurl.h"
namespace content {
void WebUIMessageHandler::SetURLAndTitle(DictionaryValue* dictionary,
const string16& title,
const GURL& gurl) {
dictionary->SetString("url", gurl.spec());
bool using_url_as_the_title = false;
string16 title_to_set(title);
if (title.empty()) {
using_url_as_the_title = true;
title_to_set = UTF8ToUTF16(gurl.spec());
}
// Since the title can contain BiDi text, we need to mark the text as either
// RTL or LTR, depending on the characters in the string. If we use the URL
// as the title, we mark the title as LTR since URLs are always treated as
// left to right strings.
if (base::i18n::IsRTL()) {
if (using_url_as_the_title) {
base::i18n::WrapStringWithLTRFormatting(&title_to_set);
} else {
base::i18n::AdjustStringForLocaleDirection(&title_to_set);
}
}
dictionary->SetString("title", title_to_set);
}
bool WebUIMessageHandler::ExtractIntegerValue(const ListValue* value,
int* out_int) {
std::string string_value;
if (value->GetString(0, &string_value))
return base::StringToInt(string_value, out_int);
double double_value;
if (value->GetDouble(0, &double_value)) {
*out_int = static_cast<int>(double_value);
return true;
}
NOTREACHED();
return false;
}
bool WebUIMessageHandler::ExtractDoubleValue(const ListValue* value,
double* out_value) {
std::string string_value;
if (value->GetString(0, &string_value))
return base::StringToDouble(string_value, out_value);
if (value->GetDouble(0, out_value))
return true;
NOTREACHED();
return false;
}
string16 WebUIMessageHandler::ExtractStringValue(const ListValue* value) {
string16 string16_value;
if (value->GetString(0, &string16_value))
return string16_value;
NOTREACHED();
return string16();
}
} // namespace content
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