feat: preliminary support for //extensions (#17440)

shell/browser/extensions/atom_extension_system.cc

@@ -0,0 +1,186 @@
+// 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 "shell/browser/extensions/atom_extension_system.h"
+
+#include <memory>
+#include <string>
+
+#include "base/bind.h"
+#include "base/files/file_path.h"
+#include "base/files/file_util.h"
+#include "base/task/post_task.h"
+#include "content/public/browser/browser_context.h"
+#include "content/public/browser/browser_task_traits.h"
+#include "content/public/browser/browser_thread.h"
+#include "content/public/browser/notification_details.h"
+#include "content/public/browser/notification_service.h"
+#include "content/public/browser/notification_source.h"
+#include "extensions/browser/api/app_runtime/app_runtime_api.h"
+#include "extensions/browser/extension_registry.h"
+#include "extensions/browser/info_map.h"
+#include "extensions/browser/notification_types.h"
+#include "extensions/browser/null_app_sorting.h"
+#include "extensions/browser/quota_service.h"
+#include "extensions/browser/runtime_data.h"
+#include "extensions/browser/service_worker_manager.h"
+#include "extensions/browser/shared_user_script_master.h"
+#include "extensions/browser/value_store/value_store_factory_impl.h"
+#include "extensions/common/constants.h"
+#include "extensions/common/file_util.h"
+#include "shell/browser/extensions/atom_extension_loader.h"
+
+using content::BrowserContext;
+using content::BrowserThread;
+
+namespace extensions {
+
+AtomExtensionSystem::AtomExtensionSystem(BrowserContext* browser_context)
+    : browser_context_(browser_context),
+      store_factory_(new ValueStoreFactoryImpl(browser_context->GetPath())),
+      weak_factory_(this) {}
+
+AtomExtensionSystem::~AtomExtensionSystem() = default;
+
+const Extension* AtomExtensionSystem::LoadExtension(
+    const base::FilePath& extension_dir) {
+  return extension_loader_->LoadExtension(extension_dir);
+}
+
+const Extension* AtomExtensionSystem::LoadApp(const base::FilePath& app_dir) {
+  CHECK(false);  // Should never call LoadApp
+  return nullptr;
+}
+
+void AtomExtensionSystem::FinishInitialization() {
+  // Inform the rest of the extensions system to start.
+  ready_.Signal();
+  content::NotificationService::current()->Notify(
+      NOTIFICATION_EXTENSIONS_READY_DEPRECATED,
+      content::Source<BrowserContext>(browser_context_),
+      content::NotificationService::NoDetails());
+}
+
+void AtomExtensionSystem::ReloadExtension(const ExtensionId& extension_id) {
+  extension_loader_->ReloadExtension(extension_id);
+}
+
+void AtomExtensionSystem::Shutdown() {
+  extension_loader_.reset();
+}
+
+void AtomExtensionSystem::InitForRegularProfile(bool extensions_enabled) {
+  service_worker_manager_ =
+      std::make_unique<ServiceWorkerManager>(browser_context_);
+  runtime_data_ =
+      std::make_unique<RuntimeData>(ExtensionRegistry::Get(browser_context_));
+  quota_service_ = std::make_unique<QuotaService>();
+  shared_user_script_master_ =
+      std::make_unique<SharedUserScriptMaster>(browser_context_);
+  app_sorting_ = std::make_unique<NullAppSorting>();
+  extension_loader_ = std::make_unique<AtomExtensionLoader>(browser_context_);
+}
+
+void AtomExtensionSystem::InitForIncognitoProfile() {
+  NOTREACHED();
+}
+
+ExtensionService* AtomExtensionSystem::extension_service() {
+  return nullptr;
+}
+
+RuntimeData* AtomExtensionSystem::runtime_data() {
+  return runtime_data_.get();
+}
+
+ManagementPolicy* AtomExtensionSystem::management_policy() {
+  return nullptr;
+}
+
+ServiceWorkerManager* AtomExtensionSystem::service_worker_manager() {
+  return service_worker_manager_.get();
+}
+
+SharedUserScriptMaster* AtomExtensionSystem::shared_user_script_master() {
+  return new SharedUserScriptMaster(browser_context_);
+}
+
+StateStore* AtomExtensionSystem::state_store() {
+  return nullptr;
+}
+
+StateStore* AtomExtensionSystem::rules_store() {
+  return nullptr;
+}
+
+scoped_refptr<ValueStoreFactory> AtomExtensionSystem::store_factory() {
+  return store_factory_;
+}
+
+InfoMap* AtomExtensionSystem::info_map() {
+  if (!info_map_.get())
+    info_map_ = new InfoMap;
+  return info_map_.get();
+}
+
+QuotaService* AtomExtensionSystem::quota_service() {
+  return quota_service_.get();
+}
+
+AppSorting* AtomExtensionSystem::app_sorting() {
+  return app_sorting_.get();
+}
+
+void AtomExtensionSystem::RegisterExtensionWithRequestContexts(
+    const Extension* extension,
+    const base::Closure& callback) {
+  base::PostTaskWithTraitsAndReply(
+      FROM_HERE, {BrowserThread::IO},
+      base::Bind(&InfoMap::AddExtension, info_map(),
+                 base::RetainedRef(extension), base::Time::Now(), false, false),
+      callback);
+}
+
+void AtomExtensionSystem::UnregisterExtensionWithRequestContexts(
+    const std::string& extension_id,
+    const UnloadedExtensionReason reason) {}
+
+const base::OneShotEvent& AtomExtensionSystem::ready() const {
+  return ready_;
+}
+
+ContentVerifier* AtomExtensionSystem::content_verifier() {
+  return nullptr;
+}
+
+std::unique_ptr<ExtensionSet> AtomExtensionSystem::GetDependentExtensions(
+    const Extension* extension) {
+  return std::make_unique<ExtensionSet>();
+}
+
+void AtomExtensionSystem::InstallUpdate(
+    const std::string& extension_id,
+    const std::string& public_key,
+    const base::FilePath& temp_dir,
+    bool install_immediately,
+    InstallUpdateCallback install_update_callback) {
+  NOTREACHED();
+  base::DeleteFile(temp_dir, true /* recursive */);
+}
+
+bool AtomExtensionSystem::FinishDelayedInstallationIfReady(
+    const std::string& extension_id,
+    bool install_immediately) {
+  NOTREACHED();
+  return false;
+}
+
+void AtomExtensionSystem::OnExtensionRegisteredWithRequestContexts(
+    scoped_refptr<Extension> extension) {
+  ExtensionRegistry* registry = ExtensionRegistry::Get(browser_context_);
+  registry->AddReady(extension);
+  registry->TriggerOnReady(extension.get());
+}
+
+}  // namespace extensions