Change owner info to be a dialog rather than screen

Bug: 15937670
Change-Id: I8d8609ff165c4a76e318a80a62fb1dc9effbc82a
diff --git a/res/layout/ownerinfo.xml b/res/layout/ownerinfo.xml
index 6adec7d..80f0192 100644
--- a/res/layout/ownerinfo.xml
+++ b/res/layout/ownerinfo.xml
@@ -16,70 +16,29 @@
 <LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
     android:layout_width="match_parent"
     android:layout_height="wrap_content"
+    android:paddingStart="20dip"
+    android:paddingEnd="20dip"
+    android:paddingTop="20dip"
     android:orientation="vertical"
-    android:scrollbars="vertical"
     android:background="@android:color/white">
 
-    <ScrollView
+    <EditText
+        android:id="@+id/owner_info_edit_text"
         android:layout_width="match_parent"
-        android:layout_height="match_parent"
-        android:scrollbarStyle="outsideOverlay"
-        android:fillViewport="true">
+        android:layout_height="wrap_content"
+        android:gravity="top"
+        android:hint="@string/owner_info_settings_edit_text_hint"
+        android:maxLength="100"
+        android:inputType="textMultiLine|textCapSentences"
+        />
 
-        <LinearLayout
-            android:layout_width="match_parent"
-            android:layout_height="wrap_content"
-            android:orientation="vertical"
-            android:paddingStart="?android:attr/listPreferredItemPaddingStart"
-            android:paddingEnd="?android:attr/listPreferredItemPaddingEnd">
-
-            <View
-                android:paddingTop="53dip"
-                android:layout_width="match_parent"
-                android:layout_height="1dip"
-                android:background="#ff404040"
-                />
-
-            <EditText android:id="@+id/owner_info_nickname"
-                android:layout_width="match_parent"
-                android:layout_height="wrap_content"
-                android:layout_marginTop="8dip"
-                android:gravity="top"
-                android:hint="@string/user_nickname"
-                android:inputType="textCapWords"
-            />
-
-            <CheckBox android:id="@+id/show_owner_info_on_lockscreen_checkbox"
-                android:layout_width="match_parent"
-                android:layout_height="64dip"
-                android:gravity="center_vertical"
-                android:layout_marginTop="8dip"
-                android:text="@string/show_owner_info_on_lockscreen_label"
-                android:textAppearance="?android:attr/textAppearanceMedium"
-                android:textColor="?android:attr/textColorSecondary"
-            />
-
-            <View
-                android:layout_width="match_parent"
-                android:layout_height="1dip"
-                android:background="#ff404040"
-                />
-
-            <EditText android:id="@+id/owner_info_edit_text"
-                android:layout_width="match_parent"
-                android:layout_height="wrap_content"
-                android:layout_marginStart="62dip"
-                android:layout_marginTop="40dip"
-                android:gravity="top"
-                android:hint="@string/owner_info_settings_edit_text_hint"
-                android:lines="8"
-                android:maxLines="8"
-                android:inputType="textMultiLine|textCapSentences"
-            />
-
-        </LinearLayout>
-
-    </ScrollView>
+    <TextView
+        android:id="@+id/owner_info_status"
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content"
+        android:gravity="end"
+        android:textAppearance="?android:attr/textAppearanceSmall"
+        />
 
 </LinearLayout>
 
diff --git a/res/values/strings.xml b/res/values/strings.xml
index 153492b..7e7026d 100644
--- a/res/values/strings.xml
+++ b/res/values/strings.xml
@@ -700,17 +700,17 @@
     <!-- Text shown next to checkbox for showing owner info on LockScreen [CHAR LIMIT=50]-->
     <string name="show_owner_info_on_lockscreen_label">Show owner info on lock screen</string>
     <!-- Text shown for title of owner info setting [CHAR LIMIT=20]-->
-    <string name="owner_info_settings_title">Owner info</string>
+    <string name="owner_info_settings_title">Lock screen message</string>
     <!-- Text shown for title of settings checkbox to enable widgets [CHAR LIMIT=20]-->
     <string name="security_enable_widgets_title">Enable widgets</string>
     <!-- Summary for settings checkbox to disable widgets when the setting has been disabled by an installed device admin [CHAR LIMIT=50] -->
     <string name="security_enable_widgets_disabled_summary">Disabled by administrator</string>
-    <!-- Text shown for summary of owner info setting [CHAR LIMIT=40]-->
-    <string name="owner_info_settings_summary"></string>
+    <!-- Text shown for summary of owner info setting (if none set) [CHAR LIMIT=40]-->
+    <string name="owner_info_settings_summary">None</string>
+    <!-- Description of how many characters are used in owner info [CHAR LIMIT=40]-->
+    <string name="owner_info_settings_status"><xliff:g id="count" example="90">%1$d</xliff:g> / <xliff:g id="count" example="100">%2$d</xliff:g></string>
     <!-- Hint text shown in owner info edit text [CHAR LIMIT=50] -->
-    <string name="owner_info_settings_edit_text_hint">Type text to display on the lock screen</string>
-    <!-- Text shown next to checkbox for showing user info on LockScreen [CHAR LIMIT=50]-->
-    <string name="show_user_info_on_lockscreen_label">Show user info on lock screen</string>
+    <string name="owner_info_settings_edit_text_hint">E.g., Joe\'s Android.</string>
     <!-- Text shown for title of user info setting [CHAR LIMIT=20]-->
     <string name="user_info_settings_title">User info</string>
     <!-- Text shown next to checkbox for showing profile info on LockScreen [CHAR LIMIT=50]-->
diff --git a/res/xml/security_settings_chooser.xml b/res/xml/security_settings_chooser.xml
index 4c1d809..af7bfeb 100644
--- a/res/xml/security_settings_chooser.xml
+++ b/res/xml/security_settings_chooser.xml
@@ -27,9 +27,8 @@
             android:summary="@string/unlock_set_unlock_mode_none"
             android:persistent="false"/>
 
-        <PreferenceScreen
+        <com.android.settings.SingleLineSummaryPreference
             android:key="owner_info_settings"
-            android:fragment="com.android.settings.OwnerInfoSettings"
             android:title="@string/owner_info_settings_title"
             android:summary="@string/owner_info_settings_summary"/>
 
diff --git a/res/xml/security_settings_lockscreen.xml b/res/xml/security_settings_lockscreen.xml
index 88df74b..480d6ee 100644
--- a/res/xml/security_settings_lockscreen.xml
+++ b/res/xml/security_settings_lockscreen.xml
@@ -29,9 +29,8 @@
             settings:keywords="@string/keywords_lockscreen"
             android:persistent="false"/>
 
-        <PreferenceScreen
+        <com.android.settings.SingleLineSummaryPreference
             android:key="owner_info_settings"
-            android:fragment="com.android.settings.OwnerInfoSettings"
             android:title="@string/owner_info_settings_title"
             android:summary="@string/owner_info_settings_summary"/>
 
diff --git a/res/xml/security_settings_password.xml b/res/xml/security_settings_password.xml
index 9f1092a..b610562 100644
--- a/res/xml/security_settings_password.xml
+++ b/res/xml/security_settings_password.xml
@@ -41,9 +41,8 @@
             android:key="power_button_instantly_locks"
             android:title="@string/lockpattern_settings_enable_power_button_instantly_locks"/>
 
-        <PreferenceScreen
+        <com.android.settings.SingleLineSummaryPreference
             android:key="owner_info_settings"
-            android:fragment="com.android.settings.OwnerInfoSettings"
             android:title="@string/owner_info_settings_title"
             android:summary="@string/owner_info_settings_summary"/>
 
diff --git a/res/xml/security_settings_pattern.xml b/res/xml/security_settings_pattern.xml
index ceb749c..867bed4 100644
--- a/res/xml/security_settings_pattern.xml
+++ b/res/xml/security_settings_pattern.xml
@@ -45,8 +45,7 @@
             android:key="power_button_instantly_locks"
             android:title="@string/lockpattern_settings_enable_power_button_instantly_locks"/>
 
-        <PreferenceScreen
-            android:fragment="com.android.settings.OwnerInfoSettings"
+        <com.android.settings.SingleLineSummaryPreference
             android:key="owner_info_settings"
             android:title="@string/owner_info_settings_title"
             android:summary="@string/owner_info_settings_summary"/>
diff --git a/res/xml/security_settings_pin.xml b/res/xml/security_settings_pin.xml
index 4470b1d..ac09a2c 100644
--- a/res/xml/security_settings_pin.xml
+++ b/res/xml/security_settings_pin.xml
@@ -41,9 +41,8 @@
             android:key="power_button_instantly_locks"
             android:title="@string/lockpattern_settings_enable_power_button_instantly_locks"/>
 
-        <PreferenceScreen
+        <com.android.settings.SingleLineSummaryPreference
             android:key="owner_info_settings"
-            android:fragment="com.android.settings.OwnerInfoSettings"
             android:title="@string/owner_info_settings_title"
             android:summary="@string/owner_info_settings_summary"/>
 
diff --git a/src/com/android/settings/OwnerInfoSettings.java b/src/com/android/settings/OwnerInfoSettings.java
index 54b7cab..56da637 100644
--- a/src/com/android/settings/OwnerInfoSettings.java
+++ b/src/com/android/settings/OwnerInfoSettings.java
@@ -16,110 +16,105 @@
 
 package com.android.settings;
 
+import android.app.AlertDialog;
+import android.app.Dialog;
+import android.app.DialogFragment;
 import android.app.Fragment;
+import android.content.DialogInterface;
+import android.content.DialogInterface.OnClickListener;
 import android.os.Bundle;
 import android.os.UserHandle;
-import android.os.UserManager;
+import android.text.Editable;
 import android.text.TextUtils;
+import android.text.TextWatcher;
 import android.view.LayoutInflater;
 import android.view.View;
-import android.view.ViewGroup;
-import android.widget.CheckBox;
-import android.widget.CompoundButton;
 import android.widget.EditText;
-import android.widget.CompoundButton.OnCheckedChangeListener;
+import android.widget.TextView;
 
-import com.android.internal.logging.MetricsLogger;
 import com.android.internal.widget.LockPatternUtils;
 
-public class OwnerInfoSettings extends InstrumentedFragment {
+public class OwnerInfoSettings extends DialogFragment implements OnClickListener {
 
-    public static final String EXTRA_SHOW_NICKNAME = "show_nickname";
+    private static final String TAG_OWNER_INFO = "ownerInfo";
+
+    private static final int MAX_CHARS = 100;
 
     private View mView;
-    private CheckBox mCheckbox;
     private int mUserId;
     private LockPatternUtils mLockPatternUtils;
     private EditText mOwnerInfo;
-    private EditText mNickname;
-    private boolean mShowNickname;
+    private TextView mOwnerInfoStatus;
 
     @Override
     public void onCreate(Bundle savedInstanceState) {
         super.onCreate(savedInstanceState);
-        Bundle args = getArguments();
-        if (args != null && args.containsKey(EXTRA_SHOW_NICKNAME)) {
-            mShowNickname = args.getBoolean(EXTRA_SHOW_NICKNAME);
-        }
+        mUserId = UserHandle.myUserId();
+        mLockPatternUtils = new LockPatternUtils(getActivity());
     }
 
     @Override
-    public View onCreateView(LayoutInflater inflater, ViewGroup container,
-            Bundle savedInstanceState) {
-        mView = inflater.inflate(R.layout.ownerinfo, container, false);
-        mUserId = UserHandle.myUserId();
-        mLockPatternUtils = new LockPatternUtils(getActivity());
+    public Dialog onCreateDialog(Bundle savedInstanceState) {
+        mView = LayoutInflater.from(getActivity()).inflate(R.layout.ownerinfo, null);
         initView();
-        return mView;
+        return new AlertDialog.Builder(getActivity())
+                .setTitle(R.string.owner_info_settings_title)
+                .setView(mView)
+                .setPositiveButton(R.string.save, this)
+                .setNegativeButton(R.string.cancel, this)
+                .show();
     }
 
     private void initView() {
-        mNickname = (EditText) mView.findViewById(R.id.owner_info_nickname);
-        if (!mShowNickname) {
-            mNickname.setVisibility(View.GONE);
-        } else {
-            mNickname.setText(UserManager.get(getActivity()).getUserName());
-            mNickname.setSelected(true);
-        }
-
-        final boolean enabled = mLockPatternUtils.isOwnerInfoEnabled();
-
-        mCheckbox = (CheckBox) mView.findViewById(R.id.show_owner_info_on_lockscreen_checkbox);
-        mCheckbox.setChecked(enabled);
-        if (UserHandle.myUserId() != UserHandle.USER_OWNER) {
-            if (UserManager.get(getActivity()).isLinkedUser()) {
-                mCheckbox.setText(R.string.show_profile_info_on_lockscreen_label);
-            } else {
-                mCheckbox.setText(R.string.show_user_info_on_lockscreen_label);
-            }
-        }
-        mCheckbox.setOnCheckedChangeListener(new OnCheckedChangeListener() {
-            public void onCheckedChanged(CompoundButton buttonView, boolean isChecked) {
-                mLockPatternUtils.setOwnerInfoEnabled(isChecked);
-                mOwnerInfo.setEnabled(isChecked); // disable text field if not enabled
-            }
-        });
-
         String info = mLockPatternUtils.getOwnerInfo(mUserId);
 
         mOwnerInfo = (EditText) mView.findViewById(R.id.owner_info_edit_text);
-        mOwnerInfo.setEnabled(enabled);
         if (!TextUtils.isEmpty(info)) {
             mOwnerInfo.setText(info);
         }
+        mOwnerInfoStatus = (TextView) mView.findViewById(R.id.owner_info_status);
+        updateOwnerInfoStatus();
+
+        mOwnerInfo.addTextChangedListener(new TextWatcher() {
+            @Override
+            public void onTextChanged(CharSequence s, int start, int before, int count) {
+            }
+
+            @Override
+            public void beforeTextChanged(CharSequence s, int start, int count, int after) {
+            }
+
+            @Override
+            public void afterTextChanged(Editable s) {
+                updateOwnerInfoStatus();
+            }
+        });
+    }
+
+    private void updateOwnerInfoStatus() {
+        String status = getString(R.string.owner_info_settings_status,
+                mOwnerInfo.getText().toString().length(), MAX_CHARS);
+        mOwnerInfoStatus.setText(status);
     }
 
     @Override
-    protected int getMetricsCategory() {
-        return MetricsLogger.OWNER_INFO;
-    }
+    public void onClick(DialogInterface dialog, int which) {
+        if (which == AlertDialog.BUTTON_POSITIVE) {
+            String info = mOwnerInfo.getText().toString();
+            mLockPatternUtils.setOwnerInfoEnabled(!TextUtils.isEmpty(info));
+            mLockPatternUtils.setOwnerInfo(info, mUserId);
 
-    @Override
-    public void onPause() {
-        super.onPause();
-        saveChanges();
-    }
-
-    void saveChanges() {
-        String info = mOwnerInfo.getText().toString();
-        mLockPatternUtils.setOwnerInfo(info, mUserId);
-        if (mShowNickname) {
-            String oldName = UserManager.get(getActivity()).getUserName();
-            CharSequence newName = mNickname.getText();
-            if (!TextUtils.isEmpty(newName) && !newName.equals(oldName)) {
-                UserManager.get(getActivity()).setUserName(UserHandle.myUserId(),
-                        newName.toString());
+            if (getTargetFragment() instanceof SecuritySettings) {
+                ((SecuritySettings) getTargetFragment()).updateOwnerInfo();
             }
         }
     }
+
+    public static void show(Fragment parent) {
+        if (!parent.isAdded()) return;
+
+        final OwnerInfoSettings dialog = new OwnerInfoSettings();
+        dialog.setTargetFragment(parent, 0);
+        dialog.show(parent.getFragmentManager(), TAG_OWNER_INFO);
+    }
 }
diff --git a/src/com/android/settings/SecuritySettings.java b/src/com/android/settings/SecuritySettings.java
index 30b7590..59816ac 100644
--- a/src/com/android/settings/SecuritySettings.java
+++ b/src/com/android/settings/SecuritySettings.java
@@ -17,6 +17,8 @@
 package com.android.settings;
 
 
+import static android.provider.Settings.System.SCREEN_OFF_TIMEOUT;
+
 import android.app.Activity;
 import android.app.AlertDialog;
 import android.app.admin.DevicePolicyManager;
@@ -26,26 +28,26 @@
 import android.content.Intent;
 import android.content.pm.PackageManager;
 import android.content.pm.ResolveInfo;
-import android.content.pm.UserInfo;
 import android.content.res.Resources;
+import android.hardware.fingerprint.Fingerprint;
+import android.hardware.fingerprint.FingerprintManager;
 import android.os.Bundle;
 import android.os.UserHandle;
 import android.os.UserManager;
-import android.preference.SwitchPreference;
 import android.preference.ListPreference;
 import android.preference.Preference;
 import android.preference.Preference.OnPreferenceChangeListener;
+import android.preference.Preference.OnPreferenceClickListener;
 import android.preference.PreferenceGroup;
 import android.preference.PreferenceScreen;
+import android.preference.SwitchPreference;
 import android.provider.SearchIndexableResource;
 import android.provider.Settings;
 import android.security.KeyStore;
-import android.hardware.fingerprint.Fingerprint;
-import android.hardware.fingerprint.FingerprintManager;
 import android.service.trust.TrustAgentService;
-import android.telephony.TelephonyManager;
-import android.telephony.SubscriptionManager;
 import android.telephony.SubscriptionInfo;
+import android.telephony.SubscriptionManager;
+import android.telephony.TelephonyManager;
 import android.text.TextUtils;
 import android.util.Log;
 
@@ -60,8 +62,6 @@
 import java.util.ArrayList;
 import java.util.List;
 
-import static android.provider.Settings.System.SCREEN_OFF_TIMEOUT;
-
 /**
  * Gesture lock pattern settings.
  */
@@ -129,6 +129,7 @@
     private boolean mIsPrimary;
 
     private Intent mTrustAgentClickIntent;
+    private Preference mOwnerInfoPref;
 
     @Override
     protected int getMetricsCategory() {
@@ -202,16 +203,15 @@
         // Add options for device encryption
         mIsPrimary = UserHandle.myUserId() == UserHandle.USER_OWNER;
 
-        if (!mIsPrimary) {
-            // Rename owner info settings
-            Preference ownerInfoPref = findPreference(KEY_OWNER_INFO_SETTINGS);
-            if (ownerInfoPref != null) {
-                if (UserManager.get(getActivity()).isLinkedUser()) {
-                    ownerInfoPref.setTitle(R.string.profile_info_settings_title);
-                } else {
-                    ownerInfoPref.setTitle(R.string.user_info_settings_title);
+        mOwnerInfoPref = findPreference(KEY_OWNER_INFO_SETTINGS);
+        if (mOwnerInfoPref != null) {
+            mOwnerInfoPref.setOnPreferenceClickListener(new OnPreferenceClickListener() {
+                @Override
+                public boolean onPreferenceClick(Preference preference) {
+                    OwnerInfoSettings.show(SecuritySettings.this);
+                    return true;
                 }
-            }
+            });
         }
 
         if (mIsPrimary) {
@@ -603,6 +603,16 @@
         if (mResetCredentials != null) {
             mResetCredentials.setEnabled(!mKeyStore.isEmpty());
         }
+
+        updateOwnerInfo();
+    }
+
+    public void updateOwnerInfo() {
+        if (mOwnerInfoPref != null) {
+            mOwnerInfoPref.setSummary(mLockPatternUtils.isOwnerInfoEnabled()
+                    ? mLockPatternUtils.getOwnerInfo(UserHandle.myUserId())
+                    : getString(R.string.owner_info_settings_summary));
+        }
     }
 
     @Override
diff --git a/src/com/android/settings/SingleLineSummaryPreference.java b/src/com/android/settings/SingleLineSummaryPreference.java
new file mode 100644
index 0000000..420fe08
--- /dev/null
+++ b/src/com/android/settings/SingleLineSummaryPreference.java
@@ -0,0 +1,41 @@
+/*
+ * Copyright (C) 2015 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;
+
+import android.content.Context;
+import android.preference.Preference;
+import android.text.TextUtils.TruncateAt;
+import android.util.AttributeSet;
+import android.view.View;
+import android.widget.TextView;
+
+public class SingleLineSummaryPreference extends Preference {
+
+    public SingleLineSummaryPreference(Context context, AttributeSet attrs) {
+        super(context, attrs);
+    }
+
+    @Override
+    protected void onBindView(View view) {
+        super.onBindView(view);
+
+        final TextView summaryView = (TextView) view.findViewById(
+                com.android.internal.R.id.summary);
+        summaryView.setSingleLine();
+        summaryView.setEllipsize(TruncateAt.END);
+    }
+
+}
diff --git a/src/com/android/settings/users/UserSettings.java b/src/com/android/settings/users/UserSettings.java
index 6d0cc5a..f3b60fc 100644
--- a/src/com/android/settings/users/UserSettings.java
+++ b/src/com/android/settings/users/UserSettings.java
@@ -461,16 +461,7 @@
                     null, 0);
         } else if (info.id == UserHandle.myUserId()) {
             // Jump to owner info panel
-            Bundle extras = new Bundle();
-            if (!info.isRestricted()) {
-                extras.putBoolean(OwnerInfoSettings.EXTRA_SHOW_NICKNAME, true);
-            }
-            int titleResId = info.id == UserHandle.USER_OWNER ? R.string.owner_info_settings_title
-                    : (info.isRestricted() ? R.string.profile_info_settings_title
-                            : R.string.user_info_settings_title);
-            ((SettingsActivity) getActivity()).startPreferencePanel(
-                    OwnerInfoSettings.class.getName(),
-                    extras, titleResId, null, null, 0);
+            OwnerInfoSettings.show(this);
         } else if (mIsOwner) {
             Bundle extras = new Bundle();
             extras.putInt(UserDetailsSettings.EXTRA_USER_ID, userId);