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// Copyright (c) 2009 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 "webkit/appcache/appcache_request_handler.h"
#include "net/url_request/url_request.h"
#include "net/url_request/url_request_job.h"
#include "webkit/appcache/appcache.h"
namespace appcache {
// AppCacheRequestHandler -----------------------------------------------------
AppCacheRequestHandler::AppCacheRequestHandler(AppCacheHost* host,
bool is_main_resource)
: is_main_request_(is_main_resource), host_(host) {
DCHECK(host_);
host_->AddObserver(this);
}
AppCacheRequestHandler::~AppCacheRequestHandler() {
if (host_)
host_->RemoveObserver(this);
}
void AppCacheRequestHandler::GetExtraResponseInfo(
int64* cache_id, GURL* manifest_url) {
// TODO(michaeln): If this is a main request and it was retrieved from
// an appcache, ensure that appcache survives the frame navigation. The
// AppCacheHost should hold reference to that cache to prevent it from
// being dropped from the in-memory collection of AppCaches. When cache
// selection occurs, that extra reference should be dropped. Perhaps
// maybe: if (is_main) host->LoadCacheOfMainResource(cache_id);
}
URLRequestJob* AppCacheRequestHandler::MaybeLoadResource(URLRequest* request) {
// 6.9.7 Changes to the networking model
// If the resource is not to be fetched using the HTTP GET mechanism or
// equivalent ... then fetch the resource normally
if (!host_ || !IsSchemeAndMethodSupported(request))
return NULL;
// TODO(michaeln): write me
return NULL;
}
URLRequestJob* AppCacheRequestHandler::MaybeLoadFallbackForRedirect(
URLRequest* request, const GURL& location) {
if (!host_ || !IsSchemeAndMethodSupported(request))
return NULL;
// TODO(michaeln): write me
return NULL;
}
URLRequestJob* AppCacheRequestHandler::MaybeLoadFallbackForResponse(
URLRequest* request) {
if (!host_ || !IsSchemeAndMethodSupported(request))
return NULL;
// TODO(michaeln): write me
return NULL;
}
void AppCacheRequestHandler::OnCacheSelectionComplete(AppCacheHost* host) {
DCHECK(host == host_);
// TODO(michaeln): write me
}
void AppCacheRequestHandler::OnDestructionImminent(AppCacheHost* host) {
host_ = NULL;
// TODO(michaeln): write me
}
} // namespace appcache
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