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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/browser/dom_ui/shared_resources_data_source.h"
#include <string>
#include "app/resource_bundle.h"
#include "base/singleton.h"
#include "base/thread_restrictions.h"
#include "chrome/browser/browser_thread.h"
#include "chrome/browser/dom_ui/chrome_url_data_manager.h"
#include "chrome/browser/io_thread.h"
#include "chrome/common/url_constants.h"
#include "grit/generated_resources.h"
#include "grit/shared_resources.h"
#include "grit/shared_resources_map.h"
#include "grit/app_resources.h"
#include "grit/theme_resources.h"
#include "net/base/mime_util.h"
namespace {
int PathToIDR(const std::string& path) {
int idr = -1;
if (path == "app/resources/folder_closed.png") {
idr = IDR_FOLDER_CLOSED;
} else if (path == "app/resources/folder_closed_rtl.png") {
idr = IDR_FOLDER_CLOSED_RTL;
} else if (path == "app/resources/folder_open.png") {
idr = IDR_FOLDER_OPEN;
} else if (path == "app/resources/folder_open_rtl.png") {
idr = IDR_FOLDER_OPEN_RTL;
} else {
// The name of the files in the grd list are prefixed with the following
// directory:
std::string key("shared/");
key += path;
for (size_t i = 0; i < kSharedResourcesSize; ++i) {
if (kSharedResources[i].name == key) {
idr = kSharedResources[i].value;
break;
}
}
}
return idr;
}
} // namespace
// static
void SharedResourcesDataSource::Register() {
SharedResourcesDataSource* source = new SharedResourcesDataSource();
BrowserThread::PostTask(
BrowserThread::IO, FROM_HERE,
NewRunnableMethod(
ChromeURLDataManager::GetInstance(),
&ChromeURLDataManager::AddDataSource,
make_scoped_refptr(source)));
}
SharedResourcesDataSource::SharedResourcesDataSource()
: DataSource(chrome::kChromeUIResourcesHost, NULL) {
}
SharedResourcesDataSource::~SharedResourcesDataSource() {
}
void SharedResourcesDataSource::StartDataRequest(const std::string& path,
bool is_off_the_record,
int request_id) {
int idr = PathToIDR(path);
DCHECK_NE(-1, idr);
const ResourceBundle& rb = ResourceBundle::GetSharedInstance();
scoped_refptr<RefCountedStaticMemory> bytes(rb.LoadDataResourceBytes(idr));
SendResponse(request_id, bytes);
}
std::string SharedResourcesDataSource::GetMimeType(
const std::string& path) const {
// Requests should not block on the disk! On Windows this goes to the
// registry.
// http://code.google.com/p/chromium/issues/detail?id=59849
base::ThreadRestrictions::ScopedAllowIO allow_io;
std::string mime_type;
net::GetMimeTypeFromFile(FilePath().AppendASCII(path), &mime_type);
return mime_type;
}
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