Merge "Add the automatic storage manager settings." into nyc-mr1-dev

am: 699efba106

* commit '699efba10667eb18bd28de02aebb549257baf53e':
  Add the automatic storage manager settings.

Change-Id: I7518c8784a43ee522ebc3ff06097c474b24d2725

res/values/arrays.xml

@@ -1031,4 +1031,18 @@
         <item>Red</item>
     </string-array>
 
+    <!-- Automatic storage management settings. The amount of days for the automatic storage manager
+         to retain. These are shown in a list dialog. [CHAR LIMIT=70] -->
+    <string-array name="automatic_storage_management_days">
+        <item>Over 30 days old</item>
+        <item>Over 60 days old</item>
+        <item>Over 90 days old</item>
+    </string-array>
+
+    <string-array name="automatic_storage_management_days_values" translatable="false">
+        <item>30</item>
+        <item>60</item>
+        <item>90</item>
+    </string-array>
+
 </resources>

res/values/bools.xml

@@ -40,4 +40,7 @@
 
     <!-- Whether none security option is hide or not  (country specific). -->
     <bool name="config_hide_none_security_option">false</bool>
+
+    <!--Whether the storage manager exists. -->
+    <bool name="config_has_storage_manager">false</bool>
 </resources>

res/values/strings.xml

@@ -7602,4 +7602,13 @@
     <!-- Button label for the dialog prompt for clearing data in deletion helper. [CHAR LIMIT=40] -->
     <string name="deletion_helper_clear_dialog_remove">Remove</string>
 
+    <!-- Used as title on the automatic storage manager settings. [CHAR LIMIT=60] -->
+    <string name="automatic_storage_manager_settings">Storage manager</string>
+
+    <!-- Used as wall of text to describe the feature. [CHAR LIMIT=NONE] -->
+    <string name="automatic_storage_manager_text">To help free up storage space, storage manager removes backed up photos and videos from your device.</string>
+
+    <!-- Dropdown preference title for dropdown describing how many days of data to retain.-->
+    <string name="automatic_storage_manager_days_title">Remove photos &amp; videos</string>
+
 </resources>

res/xml/automatic_storage_management_settings.xml

@@ -0,0 +1,35 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!-- Copyright (C) 2016 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.
+-->
+
+<PreferenceScreen xmlns:android="http://schemas.android.com/apk/res/android"
+        xmlns:settings="http://schemas.android.com/apk/res-auto"
+        android:title="@string/automatic_storage_manager_settings" >
+
+    <DropDownPreference
+        android:key="days"
+        android:summary="%s"
+        android:title="@string/automatic_storage_manager_days_title"
+        android:entries="@array/automatic_storage_management_days"
+        android:entryValues="@array/automatic_storage_management_days_values"/>
+
+    <com.android.settings.fuelgauge.WallOfTextPreference
+        android:key="disclaimer"
+        android:summary="@string/automatic_storage_manager_text"
+        android:persistent="false"
+        android:selectable="false"
+        settings:allowDividerAbove="true" />
+
+</PreferenceScreen>

src/com/android/settings/deletionhelper/AutomaticStorageManagerSettings.java

@@ -0,0 +1,99 @@
+/**
+ * Copyright (C) 2016 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.deletionhelper;
+
+import android.app.Activity;
+import android.os.Bundle;
+import android.util.Log;
+import android.view.View;
+import android.widget.Switch;
+import android.support.v7.preference.DropDownPreference;
+import android.support.v7.preference.Preference;
+import android.support.v7.preference.Preference.OnPreferenceChangeListener;
+import android.support.v7.preference.PreferenceScreen;
+
+import com.android.internal.logging.MetricsProto.MetricsEvent;
+import com.android.settings.SettingsActivity;
+import com.android.settings.SettingsPreferenceFragment;
+import com.android.settings.R;
+import com.android.settings.widget.SwitchBar;
+import com.android.settings.widget.SwitchBar.OnSwitchChangeListener;
+
+/**
+ * AutomaticStorageManagerSettings is the Settings screen for configuration and management of the
+ * automatic storage manager.
+ */
+public class AutomaticStorageManagerSettings extends SettingsPreferenceFragment implements
+        OnSwitchChangeListener, OnPreferenceChangeListener {
+    private static final String KEY_DAYS = "days";
+
+    private SwitchBar mSwitchBar;
+    private DropDownPreference mDaysToRetain;
+
+    @Override
+    public void onCreate(Bundle savedInstanceState) {
+        super.onCreate(savedInstanceState);
+        addPreferencesFromResource(R.xml.automatic_storage_management_settings);
+    }
+
+    @Override
+    public void onActivityCreated(Bundle savedInstanceState) {
+        super.onActivityCreated(savedInstanceState);
+        Activity activity = getActivity();
+        mSwitchBar = ((SettingsActivity) activity).getSwitchBar();
+        mSwitchBar.show();
+        mSwitchBar.addOnSwitchChangeListener(this);
+        // TODO: Initialize the switch bar position based on if the storage manager is active.
+
+        mDaysToRetain = (DropDownPreference) findPreference(KEY_DAYS);
+        mDaysToRetain.setOnPreferenceChangeListener(this);
+    }
+
+    @Override
+    public void onResume() {
+        super.onResume();
+        // TODO: Initialize the switch bar position based on if the storage manager is active.
+        maybeShowDayDropdown(mSwitchBar.isChecked());
+    }
+
+    @Override
+    public void onSwitchChanged(Switch switchView, boolean isChecked) {
+        // TODO: Flip a setting which controls if the storage manager should run.
+        maybeShowDayDropdown(isChecked);
+    }
+
+    @Override
+    public boolean onPreferenceChange(Preference preference, Object newValue) {
+        // TODO: Configure a setting which controls how many days of data the storage manager
+        // should retain.
+        return true;
+    }
+
+    @Override
+    protected int getMetricsCategory() {
+        return MetricsEvent.STORAGE_MANAGER_SETTINGS;
+    }
+
+    private void maybeShowDayDropdown(boolean shouldShow) {
+        PreferenceScreen screen = getPreferenceScreen();
+        if (shouldShow) {
+            screen.addPreference(mDaysToRetain);
+        } else {
+            screen.removePreference(mDaysToRetain);
+        }
+    }
+}

src/com/android/settings/deviceinfo/PrivateVolumeSettings.java

@@ -59,6 +59,7 @@ import com.android.settings.SettingsPreferenceFragment;
 import com.android.settings.Utils;
 import com.android.settings.applications.ManageApplications;
 import com.android.settings.deletionhelper.DeletionHelperFragment;
+import com.android.settings.deletionhelper.AutomaticStorageManagerSettings;
 import com.android.settings.deviceinfo.StorageSettings.MountTask;
 import com.android.settingslib.deviceinfo.StorageMeasurement;
 import com.android.settingslib.deviceinfo.StorageMeasurement.MeasurementDetails;
@@ -117,6 +118,7 @@ public class PrivateVolumeSettings extends SettingsPreferenceFragment {
     private int mItemPoolIndex;
 
     private Preference mExplore;
+    private Preference mAutomaticStorageManagement;
 
     private boolean mNeedsUpdate;
 
@@ -164,6 +166,7 @@ public class PrivateVolumeSettings extends SettingsPreferenceFragment {
         mCurrentUser = mUserManager.getUserInfo(UserHandle.myUserId());
 
         mExplore = buildAction(R.string.storage_menu_explore);
+        mAutomaticStorageManagement = buildAction(R.string.storage_settings);
 
         mNeedsUpdate = true;
 
@@ -190,6 +193,9 @@ public class PrivateVolumeSettings extends SettingsPreferenceFragment {
 
         screen.removeAll();
 
+        if (getResources().getBoolean(R.bool.config_has_storage_manager)) {
+            addPreference(screen, mAutomaticStorageManagement);
+        }
         addPreference(screen, mSummary);
 
         List<UserInfo> allUsers = mUserManager.getUsers();
@@ -475,6 +481,11 @@ public class PrivateVolumeSettings extends SettingsPreferenceFragment {
             case R.string.storage_menu_explore: {
                 intent = mSharedVolume.buildBrowseIntent();
             } break;
+            case R.string.storage_settings: {
+                startFragment(this, AutomaticStorageManagerSettings.class.getCanonicalName(),
+                        R.string.automatic_storage_manager_settings, 0, null);
+                return true;
+            }
             case 0: {
                 UserInfoFragment.show(this, pref.getTitle(), pref.getSummary());
                 return true;