Added settings UI for camera lift trigger gesture

Bug: 37154489
Test: manual + make RunSettingsRoboTests

- Added preference fragment for camera lift gesture
- Added activity alias for camera lift gesture setting
- Added resources + overlays for camera lift gesture setting
- Added config flag for limiting camera lift gesture setting for Pixel
- Added Robolectric tests for camera lift gesture settings classes

Change-Id: Ie4846cb1ea6b5279a19f20cb0299426f0d5cbb71
diff --git a/src/com/android/settings/Settings.java b/src/com/android/settings/Settings.java
index 1db185e..e2404ec 100644
--- a/src/com/android/settings/Settings.java
+++ b/src/com/android/settings/Settings.java
@@ -145,6 +145,7 @@
         /* empty */
     }
     public static class ScreenLockSuggestionActivity extends ChooseLockGeneric { /* empty */ }
+    public static class CameraLiftTriggerSuggestionActivity extends SettingsActivity { /* empty */ }
     public static class WallpaperSettingsActivity extends SettingsActivity { /* empty */ }
     public static class ManagedProfileSettingsActivity extends SettingsActivity { /* empty */ }
     public static class DeletionHelperActivity extends SettingsActivity { /* empty */ }
diff --git a/src/com/android/settings/dashboard/suggestions/SuggestionsChecks.java b/src/com/android/settings/dashboard/suggestions/SuggestionsChecks.java
index 1be2c68..66ba31a 100644
--- a/src/com/android/settings/dashboard/suggestions/SuggestionsChecks.java
+++ b/src/com/android/settings/dashboard/suggestions/SuggestionsChecks.java
@@ -30,8 +30,10 @@
 import android.os.IBinder;
 import android.os.RemoteException;
 import android.os.ServiceManager;
+import android.provider.Settings;
 
 import com.android.ims.ImsManager;
+import com.android.settings.Settings.CameraLiftTriggerSuggestionActivity;
 import com.android.settings.Settings.FingerprintEnrollSuggestionActivity;
 import com.android.settings.Settings.FingerprintSuggestionActivity;
 import com.android.settings.Settings.ScreenLockSuggestionActivity;
@@ -73,6 +75,8 @@
                 return true;
             }
             return manager.hasEnrolledFingerprints();
+        } else if (className.equals(CameraLiftTriggerSuggestionActivity.class.getName())) {
+            return isCameraLiftTriggerEnabled();
         }
 
         SuggestionFeatureProvider provider =
@@ -134,6 +138,12 @@
         return (dpmFlags & DevicePolicyManager.KEYGUARD_DISABLE_FINGERPRINT) == 0;
     }
 
+    private boolean isCameraLiftTriggerEnabled() {
+        final int triggerEnabled = Settings.Secure.getInt(mContext.getContentResolver(),
+                Settings.Secure.CAMERA_LIFT_TRIGGER_ENABLED, 0);
+        return triggerEnabled == 1;
+    }
+
     private final IWallpaperManagerCallback mCallback = new IWallpaperManagerCallback.Stub() {
         @Override
         public void onWallpaperChanged() throws RemoteException {
diff --git a/src/com/android/settings/gestures/CameraLiftTriggerPreferenceController.java b/src/com/android/settings/gestures/CameraLiftTriggerPreferenceController.java
new file mode 100644
index 0000000..3035889
--- /dev/null
+++ b/src/com/android/settings/gestures/CameraLiftTriggerPreferenceController.java
@@ -0,0 +1,70 @@
+/*
+ * Copyright (C) 2017 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package com.android.settings.gestures;
+
+import android.content.Context;
+import android.provider.Settings;
+import android.support.v7.preference.Preference;
+
+import android.util.ArrayMap;
+import com.android.settings.R;
+import com.android.settings.core.lifecycle.Lifecycle;
+import com.android.settings.search2.InlineSwitchPayload;
+import com.android.settings.search2.ResultPayload;
+
+public class CameraLiftTriggerPreferenceController extends GesturePreferenceController {
+
+    private static final String PREF_KEY_VIDEO = "gesture_camera_lift_trigger_video";
+
+    private final String mCameraLiftTriggerKey;
+
+    public CameraLiftTriggerPreferenceController(Context context, Lifecycle lifecycle, String key) {
+        super(context, lifecycle);
+        mCameraLiftTriggerKey = key;
+    }
+
+    @Override
+    public boolean isAvailable() {
+        return mContext.getResources().getBoolean(
+                R.bool.config_cameraLiftTriggerAvailable);
+    }
+
+    @Override
+    protected String getVideoPrefKey() {
+        return PREF_KEY_VIDEO;
+    }
+
+    @Override
+    public String getPreferenceKey() {
+        return mCameraLiftTriggerKey;
+    }
+
+    @Override
+    public boolean onPreferenceChange(Preference preference, Object newValue) {
+        boolean enabled = (boolean) newValue;
+        Settings.Secure.putInt(mContext.getContentResolver(),
+                Settings.Secure.CAMERA_LIFT_TRIGGER_ENABLED, enabled ? 0 : 1);
+        return true;
+    }
+
+    @Override
+    protected boolean isSwitchPrefEnabled() {
+        final int triggerEnabled = Settings.Secure.getInt(mContext.getContentResolver(),
+                Settings.Secure.CAMERA_LIFT_TRIGGER_ENABLED, 0);
+        return triggerEnabled == 1;
+    }
+}
diff --git a/src/com/android/settings/gestures/CameraLiftTriggerSettings.java b/src/com/android/settings/gestures/CameraLiftTriggerSettings.java
new file mode 100644
index 0000000..eb36503
--- /dev/null
+++ b/src/com/android/settings/gestures/CameraLiftTriggerSettings.java
@@ -0,0 +1,80 @@
+/*
+ * Copyright (C) 2017 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package com.android.settings.gestures;
+
+import android.content.Context;
+import android.provider.SearchIndexableResource;
+
+import com.android.internal.logging.nano.MetricsProto;
+import com.android.settings.R;
+import com.android.settings.core.PreferenceController;
+import com.android.settings.core.lifecycle.Lifecycle;
+import com.android.settings.dashboard.DashboardFragment;
+import com.android.settings.search.BaseSearchIndexProvider;
+
+import java.util.ArrayList;
+import java.util.Arrays;
+import java.util.List;
+
+public class CameraLiftTriggerSettings extends DashboardFragment {
+
+    private static final String TAG = "CameraLiftTrigger";
+    private static final String KEY = "gesture_camera_lift_trigger";
+
+    @Override
+    public int getMetricsCategory() {
+        return MetricsProto.MetricsEvent.SETTINGS_GESTURE_CAMERA_LIFT_TRIGGER;
+    }
+
+    @Override
+    protected String getLogTag() {
+        return TAG;
+    }
+
+    @Override
+    protected int getPreferenceScreenResId() {
+        return R.xml.camera_lift_trigger_settings;
+    }
+
+    @Override
+    protected List<PreferenceController> getPreferenceControllers(Context context) {
+        return buildPreferenceControllers(context, getLifecycle());
+    }
+
+    private static List<PreferenceController> buildPreferenceControllers(Context context,
+            Lifecycle lifecycle) {
+        final List<PreferenceController> controllers = new ArrayList<>();
+        controllers.add(new CameraLiftTriggerPreferenceController(context, lifecycle, KEY));
+        return controllers;
+    }
+
+    public static final SearchIndexProvider SEARCH_INDEX_DATA_PROVIDER =
+            new BaseSearchIndexProvider() {
+                @Override
+                public List<SearchIndexableResource> getXmlResourcesToIndex(
+                        Context context, boolean enabled) {
+                    final SearchIndexableResource sir = new SearchIndexableResource(context);
+                    sir.xmlResId = R.xml.camera_lift_trigger_settings;
+                    return Arrays.asList(sir);
+                }
+
+                @Override
+                public List<PreferenceController> getPreferenceControllers(Context context) {
+                    return buildPreferenceControllers(context, null /* lifecycle */);
+                }
+            };
+}
diff --git a/src/com/android/settings/language/LanguageAndInputSettings.java b/src/com/android/settings/language/LanguageAndInputSettings.java
index 86ce118..f411bca 100644
--- a/src/com/android/settings/language/LanguageAndInputSettings.java
+++ b/src/com/android/settings/language/LanguageAndInputSettings.java
@@ -37,6 +37,7 @@
 import com.android.settings.dashboard.DashboardFragment;
 import com.android.settings.dashboard.SummaryLoader;
 import com.android.settings.gestures.AssistGesturePreferenceController;
+import com.android.settings.gestures.CameraLiftTriggerPreferenceController;
 import com.android.settings.gestures.DoubleTapPowerPreferenceController;
 import com.android.settings.gestures.DoubleTapScreenPreferenceController;
 import com.android.settings.gestures.DoubleTwistPreferenceController;
@@ -56,6 +57,8 @@
 
     private static final String TAG = "LangAndInputSettings";
 
+    private static final String KEY_CAMERA_LIFT_TRIGGER = "gesture_camera_lift_trigger_summary";
+
     private AmbientDisplayConfiguration mAmbientDisplayConfig;
 
     @Override
@@ -108,6 +111,8 @@
                 context, lifecycle, mAmbientDisplayConfig, UserHandle.myUserId()));
         controllers.add(new DoubleTapScreenPreferenceController(
                 context, lifecycle, mAmbientDisplayConfig, UserHandle.myUserId()));
+        controllers.add(new CameraLiftTriggerPreferenceController(context, lifecycle,
+                KEY_CAMERA_LIFT_TRIGGER));
         controllers.add(new DefaultAutofillPreferenceController(context));
         return controllers;
     }
diff --git a/src/com/android/settings/search/SearchIndexableResources.java b/src/com/android/settings/search/SearchIndexableResources.java
index f7882ae..1d4e5f7 100644
--- a/src/com/android/settings/search/SearchIndexableResources.java
+++ b/src/com/android/settings/search/SearchIndexableResources.java
@@ -57,6 +57,7 @@
 import com.android.settings.gestures.DoubleTwistGestureSettings;
 import com.android.settings.gestures.PickupGestureSettings;
 import com.android.settings.gestures.SwipeToNotificationSettings;
+import com.android.settings.gestures.CameraLiftTriggerSettings;
 import com.android.settings.inputmethod.AvailableVirtualKeyboardFragment;
 import com.android.settings.inputmethod.PhysicalKeyboardFragment;
 import com.android.settings.inputmethod.VirtualKeyboardFragment;
@@ -140,6 +141,8 @@
         addIndex(DoubleTwistGestureSettings.class, NO_DATA_RES_ID, R.drawable.ic_settings_gestures);
         addIndex(SwipeToNotificationSettings.class, NO_DATA_RES_ID,
                 R.drawable.ic_settings_gestures);
+        addIndex(CameraLiftTriggerSettings.class, NO_DATA_RES_ID,
+                R.drawable.ic_settings_gestures);
         addIndex(LanguageAndInputSettings.class, NO_DATA_RES_ID, R.drawable.ic_settings_language);
         addIndex(LocationSettings.class, R.xml.location_settings, R.drawable.ic_settings_location);
         addIndex(ScanningSettings.class, R.xml.location_scanning, R.drawable.ic_settings_location);