app_shell: Extract extension runtime data from ExtensionService

extensions/browser/runtime_data.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 "extensions/browser/runtime_data.h"
+
+#include "extensions/browser/extension_registry.h"
+#include "extensions/common/extension.h"
+#include "extensions/common/manifest_handlers/background_info.h"
+
+namespace extensions {
+
+RuntimeData::RuntimeData(ExtensionRegistry* registry) : registry_(registry) {
+  if (registry_)

[not at google - send to devlin, 2014/01/22 16:17:43]

when is there no registry? tests? can we fix that?

[James Cook, 2014/01/22 17:41:52]

See the comment in the header - it was for tests. I will change it.

+    registry_->AddObserver(this);
+}
+
+RuntimeData::~RuntimeData() {
+  if (registry_)
+    registry_->RemoveObserver(this);
+}
+
+bool RuntimeData::IsBackgroundPageReady(const Extension* extension) const {
+  if (!BackgroundInfo::HasPersistentBackgroundPage(extension))
+    return true;
+  return HasFlag(extension, BACKGROUND_PAGE_READY);
+}
+
+void RuntimeData::SetBackgroundPageReady(const Extension* extension,
+                                         bool value) {
+  SetFlag(extension, BACKGROUND_PAGE_READY, value);
+}
+
+bool RuntimeData::IsBeingUpgraded(const Extension* extension) const {
+  return HasFlag(extension, BEING_UPGRADED);
+}
+
+void RuntimeData::SetBeingUpgraded(const Extension* extension, bool value) {
+  SetFlag(extension, BEING_UPGRADED, value);
+}
+
+bool RuntimeData::HasUsedWebRequest(const Extension* extension) const {
+  return HasFlag(extension, HAS_USED_WEBREQUEST);
+}
+
+void RuntimeData::SetHasUsedWebRequest(const Extension* extension, bool value) {
+  SetFlag(extension, HAS_USED_WEBREQUEST, value);
+}
+
+void RuntimeData::OnExtensionUnloaded(const Extension* extension) {
+  extension_flags_.erase(extension->id());
+}
+
+void RuntimeData::OnExtensionDisabled(const Extension* extension) {
+  if (extensions::BackgroundInfo::HasBackgroundPage(extension))
+    SetBackgroundPageReady(extension, false);
+}
+
+bool RuntimeData::HasExtensionForTesting(const Extension* extension) const {
+  return extension_flags_.find(extension->id()) != extension_flags_.end();
+}
+
+void RuntimeData::ClearAll() {
+  extension_flags_.clear();
+}
+
+bool RuntimeData::HasFlag(const Extension* extension, RuntimeFlag flag) const {
+  ExtensionFlagsMap::const_iterator it = extension_flags_.find(extension->id());
+  if (it == extension_flags_.end())
+    return false;
+  return static_cast<bool>(it->second & flag);
+}
+
+void RuntimeData::SetFlag(const Extension* extension,
+                          RuntimeFlag flag,
+                          bool value) {
+  if (value)
+    extension_flags_[extension->id()] |= flag;
+  else
+    extension_flags_[extension->id()] &= ~flag;
+}
+
+}  // namespace extensions