Notify users about certain changes in installed extensions.

chrome/browser/extensions/extension_service.cc

 // 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 "chrome/browser/extensions/extension_service.h"
 
 #include <algorithm>
 #include <set>
 
 #include "base/basictypes.h"
 #include "base/command_line.h"
+#include "base/callback.h"
 #include "base/file_util.h"
 #include "base/logging.h"
 #include "base/metrics/histogram.h"
 #include "base/path_service.h"
 #include "base/stl_util.h"
 #include "base/string16.h"
 #include "base/string_number_conversions.h"
 #include "base/string_util.h"
 #include "base/stringprintf.h"
 #include "base/threading/thread_restrictions.h"
 #include "base/time.h"
 #include "base/utf_string_conversions.h"
 #include "base/values.h"
 #include "base/version.h"
 #include "chrome/browser/browser_process.h"
 #include "chrome/browser/chrome_plugin_service_filter.h"
 #include "chrome/browser/extensions/apps_promo.h"
 #include "chrome/browser/extensions/crx_installer.h"
 #include "chrome/browser/extensions/extension_accessibility_api.h"
 #include "chrome/browser/extensions/extension_bookmarks_module.h"
 #include "chrome/browser/extensions/extension_browser_event_router.h"
 #include "chrome/browser/extensions/extension_cookies_api.h"
 #include "chrome/browser/extensions/extension_data_deleter.h"
 #include "chrome/browser/extensions/extension_downloads_api.h"
 #include "chrome/browser/extensions/extension_error_reporter.h"
+#include "chrome/browser/extensions/extension_global_error.h"
 #include "chrome/browser/extensions/extension_history_api.h"
 #include "chrome/browser/extensions/extension_host.h"
 #include "chrome/browser/extensions/extension_input_ime_api.h"
 #include "chrome/browser/extensions/extension_install_ui.h"
 #include "chrome/browser/extensions/extension_management_api.h"
 #include "chrome/browser/extensions/extension_preference_api.h"
 #include "chrome/browser/extensions/extension_process_manager.h"
 #include "chrome/browser/extensions/extension_processes_api.h"
 #include "chrome/browser/extensions/extension_special_storage_policy.h"
 #include "chrome/browser/extensions/extension_sync_data.h"
 #include "chrome/browser/extensions/extension_updater.h"
 #include "chrome/browser/extensions/extension_web_ui.h"
 #include "chrome/browser/extensions/extension_webnavigation_api.h"
 #include "chrome/browser/extensions/external_extension_provider_impl.h"
 #include "chrome/browser/extensions/external_extension_provider_interface.h"
 #include "chrome/browser/extensions/pending_extension_manager.h"
 #include "chrome/browser/net/chrome_url_request_context.h"
 #include "chrome/browser/prefs/pref_service.h"
 #include "chrome/browser/profiles/profile.h"
 #include "chrome/browser/search_engines/template_url_service.h"
 #include "chrome/browser/search_engines/template_url_service_factory.h"
 #include "chrome/browser/sync/api/sync_change.h"
 #include "chrome/browser/themes/theme_service.h"
 #include "chrome/browser/themes/theme_service_factory.h"
+#include "chrome/browser/ui/browser.h"
+#include "chrome/browser/ui/global_error_service.h"
+#include "chrome/browser/ui/global_error_service_factory.h"
 #include "chrome/browser/ui/webui/chrome_url_data_manager.h"
 #include "chrome/browser/ui/webui/favicon_source.h"
 #include "chrome/browser/ui/webui/ntp/shown_sections_handler.h"
 #include "chrome/common/child_process_logging.h"
 #include "chrome/common/chrome_notification_types.h"
 #include "chrome/common/chrome_paths.h"
 #include "chrome/common/chrome_switches.h"
 #include "chrome/common/extensions/extension.h"
 #include "chrome/common/extensions/extension_constants.h"
 #include "chrome/common/extensions/extension_error_utils.h"
@@ skipping 2060 matching lines @@
   }
 
   // Uninstall all the unclaimed extensions.
   scoped_ptr<ExtensionPrefs::ExtensionsInfo> extensions_info(
       extension_prefs_->GetInstalledExtensionsInfo());
   for (size_t i = 0; i < extensions_info->size(); ++i) {
     ExtensionInfo* info = extensions_info->at(i).get();
     if (Extension::IsExternalLocation(info->extension_location))
       CheckExternalUninstall(info->extension_id);
   }
+
+#if 0
+  // TODO(miket): enable upon completion of feature.
+  IdentifyAlertableExtensions();
+#endif
+}
+
+void ExtensionService::IdentifyAlertableExtensions() {
+  CHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
+
+  // Build up the lists of extensions that require acknowledgment.
+  // If this is the first time, grandfather extensions that would have
+  // caused notification.
+  scoped_ptr<ExtensionGlobalError> global_error(
+      new ExtensionGlobalError(weak_ptr_factory_.GetWeakPtr()));
+  bool needs_alert = false;
+  for (ExtensionList::const_iterator iter = extensions_.begin();
+       iter != extensions_.end(); ++iter) {
+    const Extension* e = *iter;
+    if (!IsExtensionEnabled(e->id())) {
+      continue;
+    }
+    if (Extension::IsExternalLocation(e->location())) {
+      if (!extension_prefs_->IsExternalExtensionAcknowledged(e->id())) {
+        global_error->AddExternalExtension(e->id());
+        needs_alert = true;
+      }
+    }
+    if (extension_prefs_->IsExtensionBlacklisted(e->id())) {
+      if (!extension_prefs_->IsBlacklistedExtensionAcknowledged(e->id())) {
+        global_error->AddBlacklistedExtension(e->id());
+        needs_alert = true;
+      }
+    }
+    if (extension_prefs_->IsExtensionOrphaned(e->id())) {
+      if (!extension_prefs_->IsOrphanedExtensionAcknowledged(e->id())) {
+        global_error->AddOrphanedExtension(e->id());
+        needs_alert = true;
+      }
+    }
+  }
+
+  if (needs_alert) {
+    if (extension_prefs_->SetAlertSystemFirstRun()) {
+      global_error->set_accept_callback(
+          base::Bind(&ExtensionService::HandleExtensionAlertAccept,
+                     base::Unretained(this)));
+      global_error->set_cancel_callback(
+          base::Bind(&ExtensionService::HandleExtensionAlertDetails,
+                     base::Unretained(this)));
+      GlobalErrorServiceFactory::GetForProfile(profile_)->AddGlobalError(
+          global_error.release());
+    } else {
+      // First run. Just acknowledge all the extensions, silently, by
+      // shortcutting the display of the UI and going straight to the
+      // callback for pressing the Accept button.
+      HandleExtensionAlertAccept(*global_error.get());
+    }
+  }
+}
+
+void ExtensionService::HandleExtensionAlertAccept(
+    const ExtensionGlobalError& global_error) {
+  const ExtensionIdSet *extension_ids =
+      global_error.get_external_extension_ids();
+  for (ExtensionIdSet::const_iterator iter = extension_ids->begin();
+       iter != extension_ids->end(); ++iter) {
+    extension_prefs_->AcknowledgeExternalExtension(*iter);
+  }
+  extension_ids = global_error.get_blacklisted_extension_ids();
+  for (ExtensionIdSet::const_iterator iter = extension_ids->begin();
+       iter != extension_ids->end(); ++iter) {
+    extension_prefs_->AcknowledgeBlacklistedExtension(*iter);
+  }
+  extension_ids = global_error.get_orphaned_extension_ids();
+  for (ExtensionIdSet::const_iterator iter = extension_ids->begin();
+       iter != extension_ids->end(); ++iter) {
+    extension_prefs_->AcknowledgeOrphanedExtension(*iter);
+  }
+}
+
+void ExtensionService::HandleExtensionAlertDetails(
+    const ExtensionGlobalError& global_error) {
+  Browser::OpenExtensionsWindow(profile_);
 }
 
 void ExtensionService::UnloadExtension(
     const std::string& extension_id,
     extension_misc::UnloadedExtensionReason reason) {
   // Make sure the extension gets deleted after we return from this function.
   scoped_refptr<const Extension> extension(
       GetExtensionByIdInternal(extension_id, true, true, false));
 
   // This method can be called via PostTask, so the extension may have been
@@ skipping 749 matching lines @@
 
 ExtensionService::NaClModuleInfoList::iterator
     ExtensionService::FindNaClModule(const GURL& url) {
   for (NaClModuleInfoList::iterator iter = nacl_module_list_.begin();
        iter != nacl_module_list_.end(); ++iter) {
     if (iter->url == url)
       return iter;
   }
   return nacl_module_list_.end();
 }