Work on USE_ASH/USE_AURA split.

chrome/browser/ui/views/ash/gesture_prefs_observer_factory_aura.cc

-// 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/ui/views/ash/gesture_prefs_observer_factory_aura.h"
-
-#include "base/compiler_specific.h"
-#include "chrome/browser/prefs/pref_change_registrar.h"
-#include "chrome/browser/prefs/pref_service.h"
-#include "chrome/browser/profiles/profile.h"
-#include "chrome/browser/profiles/profile_dependency_manager.h"
-#include "chrome/common/chrome_notification_types.h"
-#include "chrome/common/pref_names.h"
-#include "content/public/browser/notification_observer.h"
-#include "ui/base/gestures/gesture_configuration.h"
-
-using ui::GestureConfiguration;
-
-namespace {
-
-// This class manages gesture configuration preferences.
-class GesturePrefsObserver : public content::NotificationObserver,
-                             public ProfileKeyedService {
- public:
-  explicit GesturePrefsObserver(PrefService* prefs);
-  virtual ~GesturePrefsObserver();
-
-  // ProfileKeyedService implementation.
-  virtual void Shutdown() OVERRIDE;
-
-  // content::NotificationObserver implementation.
-  virtual void Observe(int type,
-                       const content::NotificationSource& source,
-                       const content::NotificationDetails& details) OVERRIDE;
-
- private:
-  void Update();
-
-  PrefChangeRegistrar registrar_;
-  PrefService* prefs_;
-
-  DISALLOW_COPY_AND_ASSIGN(GesturePrefsObserver);
-};
-
-// The list of prefs we want to observe.
-// Note that this collection of settings should correspond to the settings used
-// in ui/base/gestures/gesture_configuration.h
-const char* kPrefsToObserve[] = {
-  prefs::kLongPressTimeInSeconds,
-  prefs::kMaxSecondsBetweenDoubleClick,
-  prefs::kMaxSeparationForGestureTouchesInPixels,
-  prefs::kMaxTouchDownDurationInSecondsForClick,
-  prefs::kMaxTouchMoveInPixelsForClick,
-  prefs::kMinDistanceForPinchScrollInPixels,
-  prefs::kMinFlickSpeedSquared,
-  prefs::kMinPinchUpdateDistanceInPixels,
-  prefs::kMinRailBreakVelocity,
-  prefs::kMinScrollDeltaSquared,
-  prefs::kMinTouchDownDurationInSecondsForClick,
-  prefs::kPointsBufferedForVelocity,
-  prefs::kRailBreakProportion,
-  prefs::kRailStartProportion,
-};
-
-GesturePrefsObserver::GesturePrefsObserver(PrefService* prefs)
-    : prefs_(prefs) {
-  registrar_.Init(prefs);
-  registrar_.RemoveAll();
-  for (size_t i = 0; i < arraysize(kPrefsToObserve); ++i)
-    registrar_.Add(kPrefsToObserve[i], this);
-}
-
-GesturePrefsObserver::~GesturePrefsObserver() {}
-
-void GesturePrefsObserver::Shutdown() {
-  registrar_.RemoveAll();
-}
-
-void GesturePrefsObserver::Observe(
-    int type,
-    const content::NotificationSource& source,
-    const content::NotificationDetails& details) {
-  Update();
-}
-
-void GesturePrefsObserver::Update() {
-  GestureConfiguration::set_long_press_time_in_seconds(
-      prefs_->GetDouble(
-          prefs::kLongPressTimeInSeconds));
-  GestureConfiguration::set_max_seconds_between_double_click(
-      prefs_->GetDouble(
-          prefs::kMaxSecondsBetweenDoubleClick));
-  GestureConfiguration::set_max_separation_for_gesture_touches_in_pixels(
-      prefs_->GetDouble(
-          prefs::kMaxSeparationForGestureTouchesInPixels));
-  GestureConfiguration::set_max_touch_down_duration_in_seconds_for_click(
-      prefs_->GetDouble(
-          prefs::kMaxTouchDownDurationInSecondsForClick));
-  GestureConfiguration::set_max_touch_move_in_pixels_for_click(
-      prefs_->GetDouble(
-          prefs::kMaxTouchMoveInPixelsForClick));
-  GestureConfiguration::set_min_distance_for_pinch_scroll_in_pixels(
-      prefs_->GetDouble(
-          prefs::kMinDistanceForPinchScrollInPixels));
-  GestureConfiguration::set_min_flick_speed_squared(
-      prefs_->GetDouble(
-          prefs::kMinFlickSpeedSquared));
-  GestureConfiguration::set_min_pinch_update_distance_in_pixels(
-      prefs_->GetDouble(
-          prefs::kMinPinchUpdateDistanceInPixels));
-  GestureConfiguration::set_min_rail_break_velocity(
-      prefs_->GetDouble(
-          prefs::kMinRailBreakVelocity));
-  GestureConfiguration::set_min_scroll_delta_squared(
-      prefs_->GetDouble(
-          prefs::kMinScrollDeltaSquared));
-  GestureConfiguration::set_min_touch_down_duration_in_seconds_for_click(
-      prefs_->GetDouble(
-          prefs::kMinTouchDownDurationInSecondsForClick));
-  GestureConfiguration::set_points_buffered_for_velocity(
-      prefs_->GetInteger(
-          prefs::kPointsBufferedForVelocity));
-  GestureConfiguration::set_rail_break_proportion(
-      prefs_->GetDouble(
-          prefs::kRailBreakProportion));
-  GestureConfiguration::set_rail_start_proportion(
-      prefs_->GetDouble(
-          prefs::kRailStartProportion));
-}
-
-}  // namespace
-
-// static
-GesturePrefsObserverFactoryAura*
-GesturePrefsObserverFactoryAura::GetInstance() {
-  return Singleton<GesturePrefsObserverFactoryAura>::get();
-}
-
-GesturePrefsObserverFactoryAura::GesturePrefsObserverFactoryAura()
-    : ProfileKeyedServiceFactory("GesturePrefsObserverAura",
-                                 ProfileDependencyManager::GetInstance()) {}
-
-GesturePrefsObserverFactoryAura::~GesturePrefsObserverFactoryAura() {}
-
-ProfileKeyedService* GesturePrefsObserverFactoryAura::BuildServiceInstanceFor(
-    Profile* profile) const {
-  return new GesturePrefsObserver(profile->GetPrefs());
-}
-
-void GesturePrefsObserverFactoryAura::RegisterUserPrefs(PrefService* prefs) {
-  prefs->RegisterDoublePref(
-      prefs::kLongPressTimeInSeconds,
-      GestureConfiguration::long_press_time_in_seconds(),
-      PrefService::UNSYNCABLE_PREF);
-  prefs->RegisterDoublePref(
-      prefs::kMaxSecondsBetweenDoubleClick,
-      GestureConfiguration::max_seconds_between_double_click(),
-      PrefService::UNSYNCABLE_PREF);
-  prefs->RegisterDoublePref(
-      prefs::kMaxSeparationForGestureTouchesInPixels,
-      GestureConfiguration::max_separation_for_gesture_touches_in_pixels(),
-      PrefService::UNSYNCABLE_PREF);
-  prefs->RegisterDoublePref(
-      prefs::kMaxTouchDownDurationInSecondsForClick,
-      GestureConfiguration::max_touch_down_duration_in_seconds_for_click(),
-      PrefService::UNSYNCABLE_PREF);
-  prefs->RegisterDoublePref(
-      prefs::kMaxTouchMoveInPixelsForClick,
-      GestureConfiguration::max_touch_move_in_pixels_for_click(),
-      PrefService::UNSYNCABLE_PREF);
-  prefs->RegisterDoublePref(
-      prefs::kMinDistanceForPinchScrollInPixels,
-      GestureConfiguration::min_distance_for_pinch_scroll_in_pixels(),
-      PrefService::UNSYNCABLE_PREF);
-  prefs->RegisterDoublePref(
-      prefs::kMinFlickSpeedSquared,
-      GestureConfiguration::min_flick_speed_squared(),
-      PrefService::UNSYNCABLE_PREF);
-  prefs->RegisterDoublePref(
-      prefs::kMinPinchUpdateDistanceInPixels,
-      GestureConfiguration::min_pinch_update_distance_in_pixels(),
-      PrefService::UNSYNCABLE_PREF);
-  prefs->RegisterDoublePref(
-      prefs::kMinRailBreakVelocity,
-      GestureConfiguration::min_rail_break_velocity(),
-      PrefService::UNSYNCABLE_PREF);
-  prefs->RegisterDoublePref(
-      prefs::kMinScrollDeltaSquared,
-      GestureConfiguration::min_scroll_delta_squared(),
-      PrefService::UNSYNCABLE_PREF);
-  prefs->RegisterDoublePref(
-      prefs::kMinTouchDownDurationInSecondsForClick,
-      GestureConfiguration::min_touch_down_duration_in_seconds_for_click(),
-      PrefService::UNSYNCABLE_PREF);
-  prefs->RegisterIntegerPref(
-      prefs::kPointsBufferedForVelocity,
-      GestureConfiguration::points_buffered_for_velocity(),
-      PrefService::UNSYNCABLE_PREF);
-  prefs->RegisterDoublePref(
-      prefs::kRailBreakProportion,
-      GestureConfiguration::rail_break_proportion(),
-      PrefService::UNSYNCABLE_PREF);
-  prefs->RegisterDoublePref(
-      prefs::kRailStartProportion,
-      GestureConfiguration::rail_start_proportion(),
-      PrefService::UNSYNCABLE_PREF);
-}
-
-bool GesturePrefsObserverFactoryAura::ServiceIsCreatedWithProfile() {
-  // Create the observer as soon as the profile is created.
-  return true;
-}
-
-bool GesturePrefsObserverFactoryAura::ServiceRedirectedInIncognito() {
-  // Use same gesture preferences on incognito windows.
-  return true;
-}
-
-bool GesturePrefsObserverFactoryAura::ServiceIsNULLWhileTesting() {
-  // Some tests replace the PrefService of the TestingProfile after the
-  // GesturePrefsObserver has been created, which makes Shutdown()
-  // remove the registrar from a non-existent PrefService.
-  return true;
-}