1/*
2 * Copyright (C) 2017 The Android Open Source Project
3 *
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
7 *
8 *      http://www.apache.org/licenses/LICENSE-2.0
9 *
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License
15 */
16
17package com.android.dialer.app.settings;
18
19import android.app.Fragment;
20import android.content.Context;
21import android.graphics.drawable.Icon;
22import android.os.Bundle;
23import android.preference.Preference;
24import android.preference.PreferenceActivity;
25import android.preference.PreferenceFragment;
26import android.preference.PreferenceScreen;
27import android.support.annotation.VisibleForTesting;
28import android.telecom.PhoneAccount;
29import android.telecom.PhoneAccountHandle;
30import android.telecom.TelecomManager;
31import java.util.List;
32
33/**
34 * Preference screen that lists SIM phone accounts to select from, and forwards the selected account
35 * to {@link #PARAM_TARGET_FRAGMENT}. Can only be used in a {@link PreferenceActivity}
36 */
37public class PhoneAccountSelectionFragment extends PreferenceFragment {
38
39  /** The {@link PreferenceFragment} to launch after the account is selected. */
40  public static final String PARAM_TARGET_FRAGMENT = "target_fragment";
41
42  /**
43   * The arguments bundle to pass to the {@link #PARAM_TARGET_FRAGMENT}
44   *
45   * @see Fragment#getArguments()
46   */
47  public static final String PARAM_ARGUMENTS = "arguments";
48
49  /**
50   * The key to insert the selected {@link PhoneAccountHandle} to bundle in {@link #PARAM_ARGUMENTS}
51   */
52  public static final String PARAM_PHONE_ACCOUNT_HANDLE_KEY = "phone_account_handle_key";
53
54  /**
55   * The title of the {@link #PARAM_TARGET_FRAGMENT} once it is launched with {@link
56   * PreferenceActivity#startWithFragment(String, Bundle, Fragment, int)}, as a string resource ID.
57   */
58  public static final String PARAM_TARGET_TITLE_RES = "target_title_res";
59
60  private String targetFragment;
61  private Bundle arguments;
62  private String phoneAccountHandleKey;
63  private int titleRes;
64
65  @Override
66  public void onCreate(Bundle savedInstanceState) {
67    super.onCreate(savedInstanceState);
68    targetFragment = getArguments().getString(PARAM_TARGET_FRAGMENT);
69    arguments = new Bundle();
70    arguments.putAll(getArguments().getBundle(PARAM_ARGUMENTS));
71    phoneAccountHandleKey = getArguments().getString(PARAM_PHONE_ACCOUNT_HANDLE_KEY);
72    titleRes = getArguments().getInt(PARAM_TARGET_TITLE_RES, 0);
73  }
74
75  final class AccountPreference extends Preference {
76    private final PhoneAccountHandle phoneAccountHandle;
77
78    public AccountPreference(
79        Context context, PhoneAccountHandle phoneAccountHandle, PhoneAccount phoneAccount) {
80      super(context);
81      this.phoneAccountHandle = phoneAccountHandle;
82      setTitle(phoneAccount.getLabel());
83      setSummary(phoneAccount.getShortDescription());
84      Icon icon = phoneAccount.getIcon();
85      if (icon != null) {
86        setIcon(icon.loadDrawable(context));
87      }
88    }
89
90    @VisibleForTesting
91    void click() {
92      onClick();
93    }
94
95    @Override
96    protected void onClick() {
97      super.onClick();
98      PreferenceActivity preferenceActivity = (PreferenceActivity) getActivity();
99      arguments.putParcelable(phoneAccountHandleKey, phoneAccountHandle);
100      preferenceActivity.startWithFragment(targetFragment, arguments, null, 0, titleRes, 0);
101    }
102  }
103
104  @Override
105  public void onResume() {
106    super.onResume();
107    setPreferenceScreen(getPreferenceManager().createPreferenceScreen(getContext()));
108    PreferenceScreen screen = getPreferenceScreen();
109
110    TelecomManager telecomManager = getContext().getSystemService(TelecomManager.class);
111
112    List<PhoneAccountHandle> accountHandles = telecomManager.getCallCapablePhoneAccounts();
113
114    Context context = getActivity();
115    for (PhoneAccountHandle handle : accountHandles) {
116      PhoneAccount account = telecomManager.getPhoneAccount(handle);
117      if (account != null) {
118        final boolean isSimAccount =
119            0 != (account.getCapabilities() & PhoneAccount.CAPABILITY_SIM_SUBSCRIPTION);
120        if (isSimAccount) {
121          screen.addPreference(new AccountPreference(context, handle, account));
122        }
123      }
124    }
125  }
126}
127