1 files changed, 182 insertions, 0 deletions
diff --git a/chromium/content/browser/appcache/appcache_backend_impl.cc b/chromium/content/browser/appcache/appcache_backend_impl.cc
new file mode 100644
index 00000000000..099c54e55ad
--- /dev/null
+++ b/chromium/content/browser/appcache/appcache_backend_impl.cc
@@ -0,0 +1,182 @@
+// 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