Change DeviceProfilesSettings to DialogFragment

This makes the lifecycle simpler to fix a crash after rotation.
Also do some adjusting of alignment while here.

Bug: 21444336
Bug: 21205689
Change-Id: I67eccf4833f53b5e5088ae5e6038d041e8653565

3 files changed, 170 insertions, 159 deletions

diff --git a/res/layout/device_profiles_settings.xml b/res/layout/device_profiles_settings.xml
new file mode 100644
index 000000000..0f8438500
--- /dev/null
+++ b/res/layout/device_profiles_settings.xml
@@ -0,0 +1,59 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!-- 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.
+-->
+
+<LinearLayout
+    xmlns:android="http://schemas.android.com/apk/res/android"
+    android:layout_width="match_parent"
+    android:layout_height="wrap_content"
+    android:paddingStart="25dp"
+    android:orientation="vertical">
+
+    <TextView
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content"
+        android:text="@string/bluetooth_preference_paired_dialog_name_label"
+        android:textAppearance="@android:style/TextAppearance.Material.Body1"
+        android:textColor="?android:attr/textColorSecondary"
+        android:textDirection="locale"
+        android:paddingTop="16dp"
+        style="@style/bt_item_label" />
+
+    <EditText
+        android:id="@+id/name"
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content"
+        android:inputType="textNoSuggestions"
+        android:maxLength="@integer/bluetooth_name_length"
+        android:singleLine="true"
+        android:paddingBottom="@dimen/bluetooth_dialog_padding"
+        style="@style/bt_item_edit_content" />
+
+    <TextView
+        android:id="@+id/profiles_label"
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content"
+        android:paddingTop="16dp"
+        android:paddingBottom="4dp"
+        android:text="@string/bluetooth_device_advanced_profile_header_title"
+        android:textAppearance="@android:style/TextAppearance.Material.Body1"
+        android:textColor="?android:attr/textColorSecondary" />
+
+    <LinearLayout
+        android:id="@+id/profiles_section"
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content" />
+
+</LinearLayout>
diff --git a/src/com/android/settings/bluetooth/BluetoothSettings.java b/src/com/android/settings/bluetooth/BluetoothSettings.java
index 4113b9ec2..663deef6a 100755
--- a/src/com/android/settings/bluetooth/BluetoothSettings.java
+++ b/src/com/android/settings/bluetooth/BluetoothSettings.java
@@ -18,13 +18,10 @@ package com.android.settings.bluetooth;
 
 import static android.os.UserManager.DISALLOW_CONFIG_BLUETOOTH;
 
-import android.app.Activity;
-import android.app.AlertDialog;
 import android.bluetooth.BluetoothAdapter;
 import android.bluetooth.BluetoothDevice;
 import android.content.BroadcastReceiver;
 import android.content.Context;
-import android.content.DialogInterface;
 import android.content.Intent;
 import android.content.IntentFilter;
 import android.content.res.Resources;
@@ -37,14 +34,10 @@ import android.text.Spannable;
 import android.text.style.TextAppearanceSpan;
 import android.util.Log;
 import android.view.Gravity;
-import android.view.LayoutInflater;
 import android.view.Menu;
 import android.view.MenuInflater;
 import android.view.MenuItem;
 import android.view.View;
-import android.view.ViewGroup;
-import android.view.WindowManager;
-import android.widget.EditText;
 import android.widget.TextView;
 
 import com.android.internal.logging.MetricsLogger;
@@ -423,6 +416,7 @@ public final class BluetoothSettings extends DeviceListPreferenceFragment implem
         }
     }
 
+    @Override
     public void onDeviceBondStateChanged(CachedBluetoothDevice cachedDevice, int bondState) {
         setDeviceListGroup(getPreferenceScreen());
         removeAllDevices();
@@ -430,6 +424,7 @@ public final class BluetoothSettings extends DeviceListPreferenceFragment implem
     }
 
     private final View.OnClickListener mDeviceProfilesListener = new View.OnClickListener() {
+        @Override
         public void onClick(View v) {
             // User clicked on advanced options icon for a device in the list
             if (!(v.getTag() instanceof CachedBluetoothDevice)) {
@@ -438,77 +433,13 @@ public final class BluetoothSettings extends DeviceListPreferenceFragment implem
             }
 
             final CachedBluetoothDevice device = (CachedBluetoothDevice) v.getTag();
-            final Activity activity = getActivity();
-            DeviceProfilesSettings profileFragment = (DeviceProfilesSettings)activity.
-                getFragmentManager().findFragmentById(R.id.bluetooth_fragment_settings);
-
-            if (mSettingsDialogView != null){
-                ViewGroup parent = (ViewGroup) mSettingsDialogView.getParent();
-                if (parent != null) {
-                    parent.removeView(mSettingsDialogView);
-                }
-            }
-
-            if (profileFragment == null) {
-                LayoutInflater inflater = getActivity().getLayoutInflater();
-                mSettingsDialogView = inflater.inflate(R.layout.bluetooth_device_settings, null);
-                profileFragment = (DeviceProfilesSettings)activity.getFragmentManager()
-                    .findFragmentById(R.id.bluetooth_fragment_settings);
-
-                // To enable scrolling we store the name field in a seperate header and add to
-                // the ListView of the profileFragment.
-                View header = inflater.inflate(R.layout.bluetooth_device_settings_header, null);
-                profileFragment.getListView().addHeaderView(header);
-            }
-
-            final View dialogLayout = mSettingsDialogView;
-            AlertDialog.Builder settingsDialog = new AlertDialog.Builder(activity);
-            profileFragment.setDevice(device);
-            final EditText deviceName = (EditText)dialogLayout.findViewById(R.id.name);
-            deviceName.setText(device.getName(), TextView.BufferType.EDITABLE);
-
-            final DeviceProfilesSettings dpsFragment = profileFragment;
-            final Context context = v.getContext();
-            settingsDialog.setView(dialogLayout);
-            settingsDialog.setTitle(R.string.bluetooth_preference_paired_devices);
-            settingsDialog.setPositiveButton(R.string.okay,
-                    new DialogInterface.OnClickListener() {
-                @Override
-                public void onClick(DialogInterface dialog, int which) {
-                    EditText deviceName = (EditText)dialogLayout.findViewById(R.id.name);
-                    device.setName(deviceName.getText().toString());
-                }
-            });
-
-            settingsDialog.setNegativeButton(R.string.forget,
-                    new DialogInterface.OnClickListener() {
-                @Override
-                public void onClick(DialogInterface dialog, int which) {
-                    device.unpair();
-                    com.android.settings.bluetooth.Utils.updateSearchIndex(activity,
-                            BluetoothSettings.class.getName(), device.getName(),
-                            context.getResources().getString(R.string.bluetooth_settings),
-                            R.drawable.ic_settings_bluetooth, false);
-                }
-            });
-
-            // We must ensure that the fragment gets destroyed to avoid duplicate fragments.
-            settingsDialog.setOnDismissListener(new DialogInterface.OnDismissListener() {
-                public void onDismiss(final DialogInterface dialog) {
-                    if (!activity.isDestroyed()) {
-                        activity.getFragmentManager().beginTransaction().remove(dpsFragment)
-                            .commitAllowingStateLoss();
-                    }
-                }
-            });
-
-            AlertDialog dialog = settingsDialog.create();
-            dialog.create();
-            dialog.show();
-
-            // We must ensure that clicking on the EditText will bring up the keyboard.
-            dialog.getWindow().clearFlags(WindowManager.LayoutParams.FLAG_NOT_FOCUSABLE
-                    | WindowManager.LayoutParams.FLAG_ALT_FOCUSABLE_IM);
+            Bundle args = new Bundle();
+            args.putString(DeviceProfilesSettings.ARG_DEVICE_ADDRESS,
+                    device.getDevice().getAddress());
+            DeviceProfilesSettings profileSettings = new DeviceProfilesSettings();
+            profileSettings.setArguments(args);
+            profileSettings.show(getFragmentManager(),
+                    DeviceProfilesSettings.class.getSimpleName());
         }
     };
 
diff --git a/src/com/android/settings/bluetooth/DeviceProfilesSettings.java b/src/com/android/settings/bluetooth/DeviceProfilesSettings.java
index 59d679230..df66a07ee 100755
--- a/src/com/android/settings/bluetooth/DeviceProfilesSettings.java
+++ b/src/com/android/settings/bluetooth/DeviceProfilesSettings.java
@@ -17,6 +17,8 @@
 package com.android.settings.bluetooth;
 
 import android.app.AlertDialog;
+import android.app.Dialog;
+import android.app.DialogFragment;
 import android.bluetooth.BluetoothDevice;
 import android.bluetooth.BluetoothProfile;
 import android.content.Context;
@@ -24,15 +26,18 @@ import android.content.DialogInterface;
 import android.os.Bundle;
 import android.preference.CheckBoxPreference;
 import android.preference.EditTextPreference;
-import android.preference.Preference;
-import android.preference.PreferenceGroup;
 import android.text.Html;
 import android.text.TextUtils;
 import android.util.Log;
+import android.view.LayoutInflater;
+import android.view.View;
+import android.view.View.OnClickListener;
+import android.view.ViewGroup;
+import android.widget.CheckBox;
 import android.widget.EditText;
-import com.android.internal.logging.MetricsLogger;
+import android.widget.TextView;
+
 import com.android.settings.R;
-import com.android.settings.SettingsPreferenceFragment;
 import com.android.settingslib.bluetooth.CachedBluetoothDevice;
 import com.android.settingslib.bluetooth.CachedBluetoothDeviceManager;
 import com.android.settingslib.bluetooth.LocalBluetoothManager;
@@ -44,15 +49,12 @@ import com.android.settingslib.bluetooth.PbapServerProfile;
 
 import java.util.HashMap;
 
-/**
- * This preference fragment presents the user with all of the profiles
- * for a particular device, and allows them to be individually connected
- * (or disconnected).
- */
-public final class DeviceProfilesSettings extends SettingsPreferenceFragment
-        implements CachedBluetoothDevice.Callback, Preference.OnPreferenceChangeListener {
+public final class DeviceProfilesSettings extends DialogFragment implements
+        CachedBluetoothDevice.Callback, DialogInterface.OnClickListener, OnClickListener {
     private static final String TAG = "DeviceProfilesSettings";
 
+    public static final String ARG_DEVICE_ADDRESS = "device_address";
+
     private static final String KEY_PROFILE_CONTAINER = "profile_container";
     private static final String KEY_UNPAIR = "unpair";
     private static final String KEY_PBAP_SERVER = "PBAP Server";
@@ -61,7 +63,8 @@ public final class DeviceProfilesSettings extends SettingsPreferenceFragment
     private LocalBluetoothManager mManager;
     private LocalBluetoothProfileManager mProfileManager;
 
-    private PreferenceGroup mProfileContainer;
+    private ViewGroup mProfileContainer;
+    private TextView mProfileLabel;
     private EditTextPreference mDeviceNamePref;
 
     private final HashMap<LocalBluetoothProfile, CheckBoxPreference> mAutoConnectPrefs
@@ -70,27 +73,60 @@ public final class DeviceProfilesSettings extends SettingsPreferenceFragment
     private AlertDialog mDisconnectDialog;
     private boolean mProfileGroupIsRemoved;
 
-    @Override
-    protected int getMetricsCategory() {
-        return MetricsLogger.BLUETOOTH_DEVICE_PROFILES;
-    }
+    private View mRootView;
 
     @Override
     public void onCreate(Bundle savedInstanceState) {
         super.onCreate(savedInstanceState);
 
-        addPreferencesFromResource(R.xml.bluetooth_device_advanced);
-        getPreferenceScreen().setOrderingAsAdded(false);
-        mProfileContainer = (PreferenceGroup) findPreference(KEY_PROFILE_CONTAINER);
-        mProfileContainer.setLayoutResource(R.layout.bluetooth_preference_category);
-
         mManager = Utils.getLocalBtManager(getActivity());
-        CachedBluetoothDeviceManager deviceManager =
-                mManager.getCachedDeviceManager();
+        CachedBluetoothDeviceManager deviceManager = mManager.getCachedDeviceManager();
+
+        String address = getArguments().getString(ARG_DEVICE_ADDRESS);
+        BluetoothDevice remoteDevice = mManager.getBluetoothAdapter().getRemoteDevice(address);
+
+        mCachedDevice = deviceManager.findDevice(remoteDevice);
+        if (mCachedDevice == null) {
+            mCachedDevice = deviceManager.addDevice(mManager.getBluetoothAdapter(),
+                    mManager.getProfileManager(), remoteDevice);
+        }
         mProfileManager = mManager.getProfileManager();
     }
 
     @Override
+    public Dialog onCreateDialog(Bundle savedInstanceState) {
+        mRootView = LayoutInflater.from(getContext()).inflate(R.layout.device_profiles_settings,
+                null);
+        mProfileContainer = (ViewGroup) mRootView.findViewById(R.id.profiles_section);
+        mProfileLabel = (TextView) mRootView.findViewById(R.id.profiles_label);
+        final EditText deviceName = (EditText) mRootView.findViewById(R.id.name);
+        deviceName.setText(mCachedDevice.getName(), TextView.BufferType.EDITABLE);
+        return new AlertDialog.Builder(getContext())
+                .setView(mRootView)
+                .setNegativeButton(R.string.forget, this)
+                .setPositiveButton(R.string.okay, this)
+                .setTitle(R.string.bluetooth_preference_paired_devices)
+                .create();
+    }
+
+    @Override
+    public void onClick(DialogInterface dialog, int which) {
+        switch (which) {
+            case DialogInterface.BUTTON_POSITIVE:
+                EditText deviceName = (EditText) mRootView.findViewById(R.id.name);
+                mCachedDevice.setName(deviceName.getText().toString());
+                break;
+            case DialogInterface.BUTTON_NEGATIVE:
+                mCachedDevice.unpair();
+                com.android.settings.bluetooth.Utils.updateSearchIndex(getContext(),
+                        BluetoothSettings.class.getName(), mCachedDevice.getName(),
+                        getString(R.string.bluetooth_settings),
+                        R.drawable.ic_settings_bluetooth, false);
+                break;
+        }
+    }
+
+    @Override
     public void onDestroy() {
         super.onDestroy();
         if (mDisconnectDialog != null) {
@@ -115,7 +151,7 @@ public final class DeviceProfilesSettings extends SettingsPreferenceFragment
         if (mCachedDevice != null) {
             mCachedDevice.registerCallback(this);
             if (mCachedDevice.getBondState() == BluetoothDevice.BOND_NONE) {
-                finish();
+                dismiss();
                 return;
             }
             refresh();
@@ -144,37 +180,39 @@ public final class DeviceProfilesSettings extends SettingsPreferenceFragment
     }
 
     private void addPreferencesForProfiles() {
-        mProfileContainer.removeAll();
+        mProfileContainer.removeAllViews();
         for (LocalBluetoothProfile profile : mCachedDevice.getConnectableProfiles()) {
-            Preference pref = createProfilePreference(profile);
-            mProfileContainer.addPreference(pref);
+            CheckBox pref = createProfilePreference(profile);
+            mProfileContainer.addView(pref);
         }
 
         final int pbapPermission = mCachedDevice.getPhonebookPermissionChoice();
         // Only provide PBAP cabability if the client device has requested PBAP.
         if (pbapPermission != CachedBluetoothDevice.ACCESS_UNKNOWN) {
             final PbapServerProfile psp = mManager.getProfileManager().getPbapProfile();
-            CheckBoxPreference pbapPref = createProfilePreference(psp);
-            mProfileContainer.addPreference(pbapPref);
+            CheckBox pbapPref = createProfilePreference(psp);
+            mProfileContainer.addView(pbapPref);
         }
 
         final MapProfile mapProfile = mManager.getProfileManager().getMapProfile();
         final int mapPermission = mCachedDevice.getMessagePermissionChoice();
         if (mapPermission != CachedBluetoothDevice.ACCESS_UNKNOWN) {
-            CheckBoxPreference mapPreference = createProfilePreference(mapProfile);
-            mProfileContainer.addPreference(mapPreference);
+            CheckBox mapPreference = createProfilePreference(mapProfile);
+            mProfileContainer.addView(mapPreference);
         }
 
         showOrHideProfileGroup();
     }
 
     private void showOrHideProfileGroup() {
-        int numProfiles = mProfileContainer.getPreferenceCount();
+        int numProfiles = mProfileContainer.getChildCount();
         if (!mProfileGroupIsRemoved && numProfiles == 0) {
-            getPreferenceScreen().removePreference(mProfileContainer);
+            mProfileContainer.setVisibility(View.GONE);
+            mProfileLabel.setVisibility(View.GONE);
             mProfileGroupIsRemoved = true;
         } else if (mProfileGroupIsRemoved && numProfiles != 0) {
-            getPreferenceScreen().addPreference(mProfileContainer);
+            mProfileContainer.setVisibility(View.VISIBLE);
+            mProfileLabel.setVisibility(View.VISIBLE);
             mProfileGroupIsRemoved = false;
         }
     }
@@ -187,43 +225,29 @@ public final class DeviceProfilesSettings extends SettingsPreferenceFragment
      * @return A preference that allows the user to choose whether this profile
      *         will be connected to.
      */
-    private CheckBoxPreference createProfilePreference(LocalBluetoothProfile profile) {
-        CheckBoxPreference pref = new CheckBoxPreference(getActivity());
-        pref.setLayoutResource(R.layout.preference_start_widget);
-        pref.setKey(profile.toString());
-        pref.setTitle(profile.getNameResource(mCachedDevice.getDevice()));
-        pref.setPersistent(false);
-        pref.setOrder(getProfilePreferenceIndex(profile.getOrdinal()));
-        pref.setOnPreferenceChangeListener(this);
-
-        int iconResource = profile.getDrawableResource(mCachedDevice.getBtClass());
-        if (iconResource != 0) {
-            pref.setIcon(getActivity().getDrawable(iconResource));
-        }
+    private CheckBox createProfilePreference(LocalBluetoothProfile profile) {
+        CheckBox pref = new CheckBox(getActivity());
+        pref.setTag(profile.toString());
+        pref.setText(profile.getNameResource(mCachedDevice.getDevice()));
+        pref.setOnClickListener(this);
 
         refreshProfilePreference(pref, profile);
 
         return pref;
     }
 
-    public boolean onPreferenceChange(Preference preference, Object newValue) {
-        if (preference == mDeviceNamePref) {
-            mCachedDevice.setName((String) newValue);
-        } else if (preference instanceof CheckBoxPreference) {
-            LocalBluetoothProfile prof = getProfileOf(preference);
-            onProfileClicked(prof, (CheckBoxPreference) preference);
-            return false;   // checkbox will update from onDeviceAttributesChanged() callback
-        } else {
-            return false;
+    @Override
+    public void onClick(View v) {
+        if (v instanceof CheckBox) {
+            LocalBluetoothProfile prof = getProfileOf(v);
+            onProfileClicked(prof, (CheckBox) v);
         }
-
-        return true;
     }
 
-    private void onProfileClicked(LocalBluetoothProfile profile, CheckBoxPreference profilePref) {
+    private void onProfileClicked(LocalBluetoothProfile profile, CheckBox profilePref) {
         BluetoothDevice device = mCachedDevice.getDevice();
 
-        if (profilePref.getKey().equals(KEY_PBAP_SERVER)) {
+        if (KEY_PBAP_SERVER.equals(profilePref.getTag())) {
             final int newPermission = mCachedDevice.getPhonebookPermissionChoice()
                 == CachedBluetoothDevice.ACCESS_ALLOWED ? CachedBluetoothDevice.ACCESS_REJECTED
                 : CachedBluetoothDevice.ACCESS_ALLOWED;
@@ -232,11 +256,9 @@ public final class DeviceProfilesSettings extends SettingsPreferenceFragment
             return;
         }
 
-        int status = profile.getConnectionStatus(device);
-        boolean isConnected =
-                status == BluetoothProfile.STATE_CONNECTED;
-
-        if (profilePref.isChecked()) {
+        if (!profilePref.isChecked()) {
+            // Recheck it, until the dialog is done.
+            profilePref.setChecked(true);
             askDisconnect(mManager.getForegroundActivity(), profile);
         } else {
             if (profile instanceof MapProfile) {
@@ -281,8 +303,7 @@ public final class DeviceProfilesSettings extends SettingsPreferenceFragment
                 if (profile instanceof MapProfile) {
                     device.setMessagePermissionChoice(BluetoothDevice.ACCESS_REJECTED);
                 }
-                refreshProfilePreference(
-                        (CheckBoxPreference)findPreference(profile.toString()), profile);
+                refreshProfilePreference(findProfile(profile.toString()), profile);
             }
         };
 
@@ -296,7 +317,7 @@ public final class DeviceProfilesSettings extends SettingsPreferenceFragment
     }
 
     private void refresh() {
-        final EditText deviceNameField = (EditText) getView().findViewById(R.id.name);
+        final EditText deviceNameField = (EditText) mRootView.findViewById(R.id.name);
         if (deviceNameField != null) {
             deviceNameField.setText(mCachedDevice.getName());
         }
@@ -306,26 +327,30 @@ public final class DeviceProfilesSettings extends SettingsPreferenceFragment
 
     private void refreshProfiles() {
         for (LocalBluetoothProfile profile : mCachedDevice.getConnectableProfiles()) {
-            CheckBoxPreference profilePref = (CheckBoxPreference)findPreference(profile.toString());
+            CheckBox profilePref = findProfile(profile.toString());
             if (profilePref == null) {
                 profilePref = createProfilePreference(profile);
-                mProfileContainer.addPreference(profilePref);
+                mProfileContainer.addView(profilePref);
             } else {
                 refreshProfilePreference(profilePref, profile);
             }
         }
         for (LocalBluetoothProfile profile : mCachedDevice.getRemovedProfiles()) {
-            Preference profilePref = findPreference(profile.toString());
+            CheckBox profilePref = findProfile(profile.toString());
             if (profilePref != null) {
                 Log.d(TAG, "Removing " + profile.toString() + " from profile list");
-                mProfileContainer.removePreference(profilePref);
+                mProfileContainer.removeView(profilePref);
             }
         }
 
         showOrHideProfileGroup();
     }
 
-    private void refreshProfilePreference(CheckBoxPreference profilePref,
+    private CheckBox findProfile(String profile) {
+        return (CheckBox) mProfileContainer.findViewWithTag(profile);
+    }
+
+    private void refreshProfilePreference(CheckBox profilePref,
             LocalBluetoothProfile profile) {
         BluetoothDevice device = mCachedDevice.getDevice();
 
@@ -349,21 +374,17 @@ public final class DeviceProfilesSettings extends SettingsPreferenceFragment
         }
     }
 
-    private LocalBluetoothProfile getProfileOf(Preference pref) {
-        if (!(pref instanceof CheckBoxPreference)) {
+    private LocalBluetoothProfile getProfileOf(View v) {
+        if (!(v instanceof CheckBox)) {
             return null;
         }
-        String key = pref.getKey();
+        String key = (String) v.getTag();
         if (TextUtils.isEmpty(key)) return null;
 
         try {
-            return mProfileManager.getProfileByName(pref.getKey());
+            return mProfileManager.getProfileByName(key);
         } catch (IllegalArgumentException ignored) {
             return null;
         }
     }
-
-    private int getProfilePreferenceIndex(int profIndex) {
-        return mProfileContainer.getOrder() + profIndex * 10;
-    }
 }