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// Copyright (c) 2010 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_frame/np_utils.h"
#include "chrome_frame/np_browser_functions.h"
namespace np_utils {
std::string GetLocation(NPP instance, NPObject* window) {
if (!window) {
// Can fail if the browser is closing (seen in Opera).
return "";
}
std::string result;
ScopedNpVariant href;
ScopedNpVariant location;
bool ok = npapi::GetProperty(instance,
window,
npapi::GetStringIdentifier("location"),
&location);
DCHECK(ok);
DCHECK(location.type == NPVariantType_Object);
if (ok) {
ok = npapi::GetProperty(instance,
location.value.objectValue,
npapi::GetStringIdentifier("href"),
&href);
DCHECK(ok);
DCHECK(href.type == NPVariantType_String);
if (ok) {
result.assign(href.value.stringValue.UTF8Characters,
href.value.stringValue.UTF8Length);
}
}
return result;
}
} // namespace np_utils
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