Adds class ServiceWorkerScriptCacheMap and new ServiceWorkerVersion::Listener methods related to sc…

content/browser/service_worker/service_worker_script_cache_map.cc

+// Copyright 2014 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/service_worker/service_worker_script_cache_map.h"
+
+#include "base/logging.h"
+#include "content/browser/service_worker/service_worker_version.h"
+#include "content/common/service_worker/service_worker_types.h"
+
+namespace content {
+
+ServiceWorkerScriptCacheMap::ServiceWorkerScriptCacheMap(
+    ServiceWorkerVersion* owner)
+    : owner_(owner),
+      is_eval_complete_(false),
+      resources_started_(0),
+      resources_finished_(0),
+      has_error_(false) {
+}
+
+ServiceWorkerScriptCacheMap::~ServiceWorkerScriptCacheMap() {
+}
+
+int64 ServiceWorkerScriptCacheMap::Lookup(const GURL& url) {
+  ResourceIDMap::const_iterator found = resource_ids_.find(url);
+  if (found == resource_ids_.end())
+    return kInvalidServiceWorkerResponseId;
+  return found->second;
+}
+
+void ServiceWorkerScriptCacheMap::AddObserver(Observer* observer) {
+  observers_.AddObserver(observer);
+}
+
+void ServiceWorkerScriptCacheMap::RemoveObserver(Observer* observer) {
+  observers_.RemoveObserver(observer);
+}
+
+void ServiceWorkerScriptCacheMap::NotifyStartedCaching(
+    const GURL& url, int64 resource_id) {
+  DCHECK_EQ(kInvalidServiceWorkerResponseId, Lookup(url));
+  DCHECK(owner_->status() == ServiceWorkerVersion::NEW ||
+         owner_->status() == ServiceWorkerVersion::INSTALLING);
+  DCHECK(!is_eval_complete_);
+  resource_ids_[url] = resource_id;
+  ++resources_started_;
+}
+
+void ServiceWorkerScriptCacheMap::NotifyFinishedCaching(
+    const GURL& url, bool success) {
+  DCHECK_NE(kInvalidServiceWorkerResponseId, Lookup(url));
+  DCHECK(owner_->status() == ServiceWorkerVersion::NEW ||
+         owner_->status() == ServiceWorkerVersion::INSTALLING);
+  ++resources_finished_;
+  if (!success)
+    has_error_ = true;
+  if (url == owner_->script_url()) {
+    FOR_EACH_OBSERVER(Observer, observers_,
+                      OnMainScriptCached(owner_, success));
+  }
+  if (is_eval_complete_ && resources_finished_ == resources_started_) {
+    FOR_EACH_OBSERVER(Observer, observers_,
+                      OnAllScriptsCached(owner_, has_error_));
+  }
+}
+
+void ServiceWorkerScriptCacheMap::NotifyEvalCompletion() {
+  DCHECK(!is_eval_complete_);
+  is_eval_complete_ = true;
+  if (resources_finished_ == resources_started_) {
+    FOR_EACH_OBSERVER(Observer, observers_,
+                      OnAllScriptsCached(owner_, has_error_));
+  }
+}
+
+}  // namespace content