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// Copyright (c) 2011 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/appcache/appcache_backend_impl.h"
#include "base/stl_util.h"
#include "content/browser/appcache/appcache.h"
#include "content/browser/appcache/appcache_group.h"
#include "content/browser/appcache/appcache_service_impl.h"
namespace content {
AppCacheBackendImpl::AppCacheBackendImpl()
: service_(NULL),
frontend_(NULL),
process_id_(0) {
}
AppCacheBackendImpl::~AppCacheBackendImpl() {
STLDeleteValues(&hosts_);
if (service_)
service_->UnregisterBackend(this);
}
void AppCacheBackendImpl::Initialize(AppCacheServiceImpl* service,
AppCacheFrontend* frontend,
int process_id) {
DCHECK(!service_ && !frontend_ && frontend && service);
service_ = service;
frontend_ = frontend;
process_id_ = process_id;
service_->RegisterBackend(this);
}
bool AppCacheBackendImpl::RegisterHost(int id) {
if (GetHost(id))
return false;
hosts_.insert(
HostMap::value_type(id, new AppCacheHost(id, frontend_, service_)));
return true;
}
bool AppCacheBackendImpl::UnregisterHost(int id) {
HostMap::iterator found = hosts_.find(id);
if (found == hosts_.end())
return false;
delete found->second;
hosts_.erase(found);
return true;
}
bool AppCacheBackendImpl::SetSpawningHostId(
int host_id,
int spawning_host_id) {
AppCacheHost* host = GetHost(host_id);
if (!host)
return false;
host->SetSpawningHostId(process_id_, spawning_host_id);
return true;
}
bool AppCacheBackendImpl::SelectCache(
int host_id,
const GURL& document_url,
const int64 cache_document_was_loaded_from,
const GURL& manifest_url) {
AppCacheHost* host = GetHost(host_id);
if (!host)
return false;
host->SelectCache(document_url, cache_document_was_loaded_from,
manifest_url);
return true;
}
bool AppCacheBackendImpl::SelectCacheForWorker(
int host_id, int parent_process_id, int parent_host_id) {
AppCacheHost* host = GetHost(host_id);
if (!host)
return false;
host->SelectCacheForWorker(parent_process_id, parent_host_id);
return true;
}
bool AppCacheBackendImpl::SelectCacheForSharedWorker(
int host_id, int64 appcache_id) {
AppCacheHost* host = GetHost(host_id);
if (!host)
return false;
host->SelectCacheForSharedWorker(appcache_id);
return true;
}
bool AppCacheBackendImpl::MarkAsForeignEntry(
int host_id,
const GURL& document_url,
int64 cache_document_was_loaded_from) {
AppCacheHost* host = GetHost(host_id);
if (!host)
return false;
host->MarkAsForeignEntry(document_url, cache_document_was_loaded_from);
return true;
}
bool AppCacheBackendImpl::GetStatusWithCallback(
int host_id, const GetStatusCallback& callback, void* callback_param) {
AppCacheHost* host = GetHost(host_id);
if (!host)
return false;
host->GetStatusWithCallback(callback, callback_param);
return true;
}
bool AppCacheBackendImpl::StartUpdateWithCallback(
int host_id, const StartUpdateCallback& callback, void* callback_param) {
AppCacheHost* host = GetHost(host_id);
if (!host)
return false;
host->StartUpdateWithCallback(callback, callback_param);
return true;
}
bool AppCacheBackendImpl::SwapCacheWithCallback(
int host_id, const SwapCacheCallback& callback, void* callback_param) {
AppCacheHost* host = GetHost(host_id);
if (!host)
return false;
host->SwapCacheWithCallback(callback, callback_param);
return true;
}
void AppCacheBackendImpl::GetResourceList(
int host_id, std::vector<AppCacheResourceInfo>* resource_infos) {
AppCacheHost* host = GetHost(host_id);
if (!host)
return;
host->GetResourceList(resource_infos);
}
scoped_ptr<AppCacheHost> AppCacheBackendImpl::TransferHostOut(int host_id) {
HostMap::iterator found = hosts_.find(host_id);
if (found == hosts_.end()) {
NOTREACHED();
return scoped_ptr<AppCacheHost>();
}
AppCacheHost* transferree = found->second;
// Put a new empty host in its place.
found->second = new AppCacheHost(host_id, frontend_, service_);
// We give up ownership.
transferree->PrepareForTransfer();
return scoped_ptr<AppCacheHost>(transferree);
}
void AppCacheBackendImpl::TransferHostIn(
int new_host_id, scoped_ptr<AppCacheHost> host) {
HostMap::iterator found = hosts_.find(new_host_id);
if (found == hosts_.end()) {
NOTREACHED();
return;
}
delete found->second;
// We take onwership.
host->CompleteTransfer(new_host_id, frontend_);
found->second = host.release();
}
} // namespace content
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