chromeos: Remove ScreensaverController.

chrome/browser/chromeos/screensaver/screensaver_controller.cc

Index: chrome/browser/chromeos/screensaver/screensaver_controller.cc
diff --git a/chrome/browser/chromeos/screensaver/screensaver_controller.cc b/chrome/browser/chromeos/screensaver/screensaver_controller.cc
deleted file mode 100644
index 55e61996c7f1de1060622147e61fe9c64544bf07..0000000000000000000000000000000000000000
--- a/chrome/browser/chromeos/screensaver/screensaver_controller.cc
+++ /dev/null
@@ -1,187 +0,0 @@
-// Copyright (c) 2012 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/chromeos/screensaver/screensaver_controller.h"
-
-#include "ash/screensaver/screensaver_view.h"
-#include "ash/shell.h"
-#include "ash/wm/user_activity_detector.h"
-#include "base/bind.h"
-#include "base/callback.h"
-#include "base/logging.h"
-#include "chrome/browser/chrome_notification_types.h"
-#include "chrome/browser/extensions/extension_service.h"
-#include "chrome/browser/extensions/extension_system.h"
-#include "chrome/browser/profiles/profile_manager.h"
-#include "chrome/common/extensions/extension.h"
-#include "chrome/common/extensions/manifest_handlers/app_launch_info.h"
-#include "chromeos/dbus/dbus_thread_manager.h"
-#include "chromeos/dbus/power_manager_client.h"
-#include "content/public/browser/notification_service.h"
-
-namespace {
-
-const int kScreensaverTimeoutMinutes = 2;
-
-ExtensionService* GetDefaultExtensionService() {
-  Profile* default_profile = ProfileManager::GetDefaultProfile();
-  DCHECK(default_profile);
-  ExtensionService* service =
-      extensions::ExtensionSystem::Get(default_profile)->extension_service();
-  DCHECK(service);
-
-  return service;
-}
-
-// Find the screensaver extension for the given service, excluding
-// the one with exclude_id.
-std::string FindScreensaverExtension(ExtensionService* service,
-                                     const std::string& exclude_id) {
-  const ExtensionSet* extensions = service->extensions();
-  if (!extensions)
-    return std::string();
-
-  for (ExtensionSet::const_iterator it = extensions->begin();
-      it != extensions->end();
-      ++it) {
-    const extensions::Extension* extension = it->get();
-    if (extension &&
-        extension->id() != exclude_id &&
-        extension->HasAPIPermission(extensions::APIPermission::kScreensaver)) {
-      return extension->id();
-    }
-  }
-
-  return std::string();
-}
-
-void UninstallPreviousScreensavers(const extensions::Extension* current) {
-  Profile* default_profile = ProfileManager::GetDefaultProfile();
-  DCHECK(default_profile);
-  ExtensionService* service =
-      extensions::ExtensionSystem::Get(default_profile)->extension_service();
-  DCHECK(service);
-
-  std::string screensaver_id;
-  while ((screensaver_id = FindScreensaverExtension(service, current->id()))
-         != "") {
-    string16 error;
-    if (!service->UninstallExtension(screensaver_id, false, &error))
-      LOG(ERROR)
-          << "Couldn't uninstall previous screensaver extension with id: "
-          << screensaver_id << " \nError: " << error;
-  }
-}
-
-}  // namespace
-
-namespace chromeos {
-
-ScreensaverController::ScreensaverController()
-    : threshold_(base::TimeDelta::FromMinutes(kScreensaverTimeoutMinutes)),
-      weak_ptr_factory_(this) {
-  // Register for extension changes.
-  registrar_.Add(this, chrome::NOTIFICATION_EXTENSION_LOADED,
-                 content::NotificationService::AllSources());
-  registrar_.Add(this, chrome::NOTIFICATION_EXTENSION_UNLOADED,
-                 content::NotificationService::AllSources());
-
-  std::string screensaver_extension_id =
-      FindScreensaverExtension(GetDefaultExtensionService(), std::string());
-  if (!screensaver_extension_id.empty())
-    SetupScreensaver(screensaver_extension_id);
-}
-
-ScreensaverController::~ScreensaverController() {
-  TeardownScreensaver();
-}
-
-void ScreensaverController::Observe(
-    int type,
-    const content::NotificationSource& source,
-    const content::NotificationDetails& details) {
-  switch (type) {
-    case chrome::NOTIFICATION_EXTENSION_INSTALLED: {
-      const extensions::Extension* extension =
-          content::Details<const extensions::InstalledExtensionInfo>(details)->
-              extension;
-      // Uninstall any previously installed screensaver extensions if a new
-      // screensaver extension is installed.
-      if (extension->HasAPIPermission(extensions::APIPermission::kScreensaver))
-        UninstallPreviousScreensavers(extension);
-      break;
-    }
-    case chrome::NOTIFICATION_EXTENSION_LOADED: {
-      const extensions::Extension* extension =
-          content::Details<const extensions::Extension>(details).ptr();
-      if (extension->HasAPIPermission(extensions::APIPermission::kScreensaver))
-        SetupScreensaver(extension->id());
-      break;
-    }
-    case chrome::NOTIFICATION_EXTENSION_UNLOADED: {
-      const extensions::Extension* extension =
-          content::Details<extensions::UnloadedExtensionInfo>(
-              details)->extension;
-      if (extension->id() == screensaver_extension_id_)
-        TeardownScreensaver();
-      break;
-    }
-  }
-}
-
-void ScreensaverController::IdleNotify(int64 threshold) {
-  ExtensionService* service = GetDefaultExtensionService();
-  const extensions::Extension* screensaver_extension =
-      service->GetExtensionById(screensaver_extension_id_,
-                                ExtensionService::INCLUDE_ENABLED);
-  ash::ShowScreensaver(
-      extensions::AppLaunchInfo::GetFullLaunchURL(screensaver_extension));
-
-  if (!ash::Shell::GetInstance()->user_activity_detector()->HasObserver(this))
-    ash::Shell::GetInstance()->user_activity_detector()->AddObserver(this);
-}
-
-void ScreensaverController::OnUserActivity(const ui::Event* event) {
-  // We don't want to handle further user notifications; we'll either login
-  // the user and close out or or at least close the screensaver.
-  if (ash::Shell::GetInstance()->user_activity_detector()->HasObserver(this))
-    ash::Shell::GetInstance()->user_activity_detector()->RemoveObserver(this);
-  ash::CloseScreensaver();
-
-  RequestNextIdleNotification();
-}
-
-void ScreensaverController::SetupScreensaver(
-    const std::string& screensaver_extension_id) {
-  screensaver_extension_id_ = screensaver_extension_id;
-
-  PowerManagerClient* power_manager =
-      DBusThreadManager::Get()->GetPowerManagerClient();
-  if (!power_manager->HasObserver(this))
-    power_manager->AddObserver(this);
-
-  RequestNextIdleNotification();
-}
-
-void ScreensaverController::TeardownScreensaver() {
-  PowerManagerClient* power_manager =
-      DBusThreadManager::Get()->GetPowerManagerClient();
-  if (power_manager && power_manager->HasObserver(this))
-    power_manager->RemoveObserver(this);
-
-  if (ash::Shell::GetInstance() &&
-      ash::Shell::GetInstance()->user_activity_detector()->HasObserver(this)) {
-    ash::Shell::GetInstance()->user_activity_detector()->RemoveObserver(this);
-  }
-
-  ash::CloseScreensaver();
-  screensaver_extension_id_ = "";
-}
-
-void ScreensaverController::RequestNextIdleNotification() {
-  DBusThreadManager::Get()->GetPowerManagerClient()->
-      RequestIdleNotification(threshold_.InMilliseconds());
-}
-
-}  // namespace chromeos