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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/browser/webui/shared_resources_data_source.h"
#include "base/logging.h"
#include "base/memory/ref_counted_memory.h"
#include "base/threading/thread_restrictions.h"
#include "content/public/common/content_client.h"
#include "content/public/common/url_constants.h"
#include "grit/webui_resources_map.h"
#include "net/base/mime_util.h"
namespace {
int PathToIDR(const std::string& path) {
int idr = -1;
for (size_t i = 0; i < kWebuiResourcesSize; ++i) {
if (kWebuiResources[i].name == path) {
idr = kWebuiResources[i].value;
break;
}
}
return idr;
}
} // namespace
SharedResourcesDataSource::SharedResourcesDataSource() {
}
SharedResourcesDataSource::~SharedResourcesDataSource() {
}
std::string SharedResourcesDataSource::GetSource() {
return chrome::kChromeUIResourcesHost;
}
void SharedResourcesDataSource::StartDataRequest(
const std::string& path,
bool is_incognito,
const content::URLDataSource::GotDataCallback& callback) {
int idr = PathToIDR(path);
DCHECK_NE(-1, idr) << " path: " << path;
scoped_refptr<base::RefCountedStaticMemory> bytes(
content::GetContentClient()->GetDataResourceBytes(idr));
callback.Run(bytes);
}
std::string SharedResourcesDataSource::GetMimeType(
const std::string& path) const {
// Requests should not block on the disk! On POSIX this goes to disk.
// http://code.google.com/p/chromium/issues/detail?id=59849
base::ThreadRestrictions::ScopedAllowIO allow_io;
std::string mime_type;
net::GetMimeTypeFromFile(base::FilePath().AppendASCII(path), &mime_type);
return mime_type;
}
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