From 333efe90978beeed36a45df6b45a7d7119140bb4 Mon Sep 17 00:00:00 2001
From: John Spurlock <jspurlock@google.com>
Date: Wed, 23 Jul 2014 13:01:21 -0400
Subject: [PATCH] Settings: Wire up Display > Lift to wake.

Bug:15521792
Change-Id: I1a771641ad4fc52599149ac7db4a4fe55a6b9286
---
 res/values/strings.xml                        |  2 +
 res/xml/display_settings.xml                  |  7 +++-
 src/com/android/settings/DisplaySettings.java | 38 ++++++++++++++++---
 3 files changed, 41 insertions(+), 6 deletions(-)

diff --git a/res/values/strings.xml b/res/values/strings.xml
index 77fd6de3e31..72e24ca4e94 100644
--- a/res/values/strings.xml
+++ b/res/values/strings.xml
@@ -2051,6 +2051,8 @@
     <string name="screensaver_settings_button">Settings</string>
     <!-- Sound & display settings screen, setting option name to change whether the screen adjusts automatically based on lighting conditions -->
     <string name="automatic_brightness">Automatic brightness</string>
+    <!-- [CHAR LIMIT=40] Display settings screen, setting option name to change whether the device wakes up when a lift gesture is detected. -->
+    <string name="lift_to_wake_title">Lift to wake</string>
     <!-- [CHAR LIMIT=30] Sound & display settings screen, setting option name to change font size -->
     <string name="title_font_size">Font size</string>
     <!-- Sound & display settings screen, setting option summary displaying the currently selected font size -->
diff --git a/res/xml/display_settings.xml b/res/xml/display_settings.xml
index 3c4f4afeea6..0150621b7e4 100644
--- a/res/xml/display_settings.xml
+++ b/res/xml/display_settings.xml
@@ -25,7 +25,7 @@
                 settings:keywords="@string/keywords_display_brightness_level"
                 android:persistent="false"/>
 
-        <CheckBoxPreference
+        <SwitchPreference
                 android:key="auto_brightness"
                 android:title="@string/auto_brightness_title"
                 settings:keywords="@string/keywords_display_auto_brightness"
@@ -51,6 +51,11 @@
                 android:title="@string/screensaver_settings_title"
                 android:fragment="com.android.settings.DreamSettings" />
 
+        <SwitchPreference
+                android:key="lift_to_wake"
+                android:title="@string/lift_to_wake_title"
+                android:persistent="false" />
+
         <com.android.settings.WarnedListPreference
                 android:key="font_size"
                 android:title="@string/title_font_size"
diff --git a/src/com/android/settings/DisplaySettings.java b/src/com/android/settings/DisplaySettings.java
index ae1d8d15036..e963c005096 100644
--- a/src/com/android/settings/DisplaySettings.java
+++ b/src/com/android/settings/DisplaySettings.java
@@ -19,6 +19,7 @@ package com.android.settings;
 import com.android.settings.search.BaseSearchIndexProvider;
 import com.android.settings.search.Indexable;
 
+import static android.provider.Settings.Secure.WAKE_GESTURE_ENABLED;
 import static android.provider.Settings.System.SCREEN_BRIGHTNESS_MODE;
 import static android.provider.Settings.System.SCREEN_BRIGHTNESS_MODE_AUTOMATIC;
 import static android.provider.Settings.System.SCREEN_BRIGHTNESS_MODE_MANUAL;
@@ -31,14 +32,15 @@ import android.content.ContentResolver;
 import android.content.Context;
 import android.content.res.Configuration;
 import android.content.res.Resources;
+import android.hardware.Sensor;
+import android.hardware.SensorManager;
 import android.os.Bundle;
-import android.os.Handler;
 import android.os.RemoteException;
-import android.preference.CheckBoxPreference;
 import android.preference.ListPreference;
 import android.preference.Preference;
 import android.preference.Preference.OnPreferenceClickListener;
 import android.preference.PreferenceScreen;
+import android.preference.SwitchPreference;
 import android.provider.SearchIndexableResource;
 import android.provider.Settings;
 import android.util.Log;
@@ -56,6 +58,7 @@ public class DisplaySettings extends SettingsPreferenceFragment implements
     private static final String KEY_SCREEN_TIMEOUT = "screen_timeout";
     private static final String KEY_FONT_SIZE = "font_size";
     private static final String KEY_SCREEN_SAVER = "screensaver";
+    private static final String KEY_LIFT_TO_WAKE = "lift_to_wake";
     private static final String KEY_AUTO_BRIGHTNESS = "auto_brightness";
 
     private static final int DLG_GLOBAL_CHANGE_WARNING = 1;
@@ -63,11 +66,11 @@ public class DisplaySettings extends SettingsPreferenceFragment implements
     private WarnedListPreference mFontSizePref;
 
     private final Configuration mCurConfig = new Configuration();
-    private final Handler mHandler = new Handler();
 
     private ListPreference mScreenTimeoutPreference;
     private Preference mScreenSaverPreference;
-    private CheckBoxPreference mAutoBrightnessPreference;
+    private SwitchPreference mLiftToWakePreference;
+    private SwitchPreference mAutoBrightnessPreference;
 
     @Override
     public void onCreate(Bundle savedInstanceState) {
@@ -96,11 +99,23 @@ public class DisplaySettings extends SettingsPreferenceFragment implements
         mFontSizePref.setOnPreferenceClickListener(this);
 
         if (isAutomaticBrightnessAvailable(getResources())) {
-            mAutoBrightnessPreference = (CheckBoxPreference) findPreference(KEY_AUTO_BRIGHTNESS);
+            mAutoBrightnessPreference = (SwitchPreference) findPreference(KEY_AUTO_BRIGHTNESS);
             mAutoBrightnessPreference.setOnPreferenceChangeListener(this);
         } else {
             removePreference(KEY_AUTO_BRIGHTNESS);
         }
+
+        if (isLiftToWakeAvailable(getActivity())) {
+            mLiftToWakePreference = (SwitchPreference) findPreference(KEY_LIFT_TO_WAKE);
+            mLiftToWakePreference.setOnPreferenceChangeListener(this);
+        } else {
+            removePreference(KEY_LIFT_TO_WAKE);
+        }
+    }
+
+    private static boolean isLiftToWakeAvailable(Context context) {
+        SensorManager sensors = (SensorManager) context.getSystemService(Context.SENSOR_SERVICE);
+        return sensors != null && sensors.getDefaultSensor(Sensor.TYPE_WAKE_GESTURE) != null;
     }
 
     private static boolean isAutomaticBrightnessAvailable(Resources res) {
@@ -235,6 +250,12 @@ public class DisplaySettings extends SettingsPreferenceFragment implements
                     SCREEN_BRIGHTNESS_MODE, SCREEN_BRIGHTNESS_MODE_MANUAL);
             mAutoBrightnessPreference.setChecked(brightnessMode != SCREEN_BRIGHTNESS_MODE_MANUAL);
         }
+
+        // Update lift-to-wake if it is available.
+        if (mLiftToWakePreference != null) {
+            int value = Settings.Secure.getInt(getContentResolver(), WAKE_GESTURE_ENABLED, 0);
+            mLiftToWakePreference.setChecked(value != 0);
+        }
     }
 
     private void updateScreenSaverSummary() {
@@ -278,6 +299,10 @@ public class DisplaySettings extends SettingsPreferenceFragment implements
             Settings.System.putInt(getContentResolver(), SCREEN_BRIGHTNESS_MODE,
                     auto ? SCREEN_BRIGHTNESS_MODE_AUTOMATIC : SCREEN_BRIGHTNESS_MODE_MANUAL);
         }
+        if (preference == mLiftToWakePreference) {
+            boolean value = (Boolean) objValue;
+            Settings.Secure.putInt(getContentResolver(), WAKE_GESTURE_ENABLED, value ? 1 : 0);
+        }
         return true;
     }
 
@@ -319,6 +344,9 @@ public class DisplaySettings extends SettingsPreferenceFragment implements
                     if (!isAutomaticBrightnessAvailable(context.getResources())) {
                         result.add(KEY_AUTO_BRIGHTNESS);
                     }
+                    if (!isLiftToWakeAvailable(context)) {
+                        result.add(KEY_LIFT_TO_WAKE);
+                    }
                     return result;
                 }
             };