Gesture Recognizer: Make short long press time configurable.

chrome/browser/ui/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/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"
@@ skipping 29 matching lines @@
   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::kMaxDistanceForTwoFingerTapInPixels,
   prefs::kMaxSecondsBetweenDoubleClick,
   prefs::kMaxSeparationForGestureTouchesInPixels,
   prefs::kMaxSwipeDeviationRatio,
   prefs::kMaxTouchDownDurationInSecondsForClick,
   prefs::kMaxTouchMoveInPixelsForClick,
   prefs::kMinDistanceForPinchScrollInPixels,
   prefs::kMinFlickSpeedSquared,
   prefs::kMinPinchUpdateDistanceInPixels,
   prefs::kMinRailBreakVelocity,
   prefs::kMinScrollDeltaSquared,
   prefs::kMinSwipeSpeed,
   prefs::kMinTouchDownDurationInSecondsForClick,
   prefs::kPointsBufferedForVelocity,
   prefs::kRailBreakProportion,
   prefs::kRailStartProportion,
+  prefs::kSemiLongPressTimeInSeconds,
 };
 
 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_semi_long_press_time_in_seconds(
+      prefs_->GetDouble(
+          prefs::kSemiLongPressTimeInSeconds));
   GestureConfiguration::set_max_distance_for_two_finger_tap_in_pixels(
       prefs_->GetDouble(
           prefs::kMaxDistanceForTwoFingerTapInPixels));
   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_swipe_deviation_ratio(
@@ skipping 55 matching lines @@
     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::kSemiLongPressTimeInSeconds,
+      GestureConfiguration::semi_long_press_time_in_seconds(),
+      PrefService::UNSYNCABLE_PREF);
+  prefs->RegisterDoublePref(
       prefs::kMaxDistanceForTwoFingerTapInPixels,
       GestureConfiguration::max_distance_for_two_finger_tap_in_pixels(),
       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(),
@@ skipping 61 matching lines @@
   // 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;
 }