1 files changed, 126 insertions, 0 deletions
diff --git a/java/com/android/dialer/app/settings/PhoneAccountSelectionFragment.java b/java/com/android/dialer/app/settings/PhoneAccountSelectionFragment.java
new file mode 100644
index 000000000..8fd276724
--- /dev/null
+++ b/java/com/android/dialer/app/settings/PhoneAccountSelectionFragment.java
@@ -0,0 +1,126 @@
+/*
+ * 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.dialer.app.settings;
+
+import android.app.Fragment;
+import android.content.Context;
+import android.graphics.drawable.Icon;
+import android.os.Bundle;
+import android.preference.Preference;
+import android.preference.PreferenceActivity;
+import android.preference.PreferenceFragment;
+import android.preference.PreferenceScreen;
+import android.support.annotation.VisibleForTesting;
+import android.telecom.PhoneAccount;
+import android.telecom.PhoneAccountHandle;
+import android.telecom.TelecomManager;
+import java.util.List;
+
+/**
+ * Preference screen that lists SIM phone accounts to select from, and forwards the selected account
+ * to {@link #PARAM_TARGET_FRAGMENT}. Can only be used in a {@link PreferenceActivity}
+ */
+public class PhoneAccountSelectionFragment extends PreferenceFragment {
+
+  /** The {@link PreferenceFragment} to launch after the account is selected. */
+  public static final String PARAM_TARGET_FRAGMENT = "target_fragment";
+
+  /**
+   * The arguments bundle to pass to the {@link #PARAM_TARGET_FRAGMENT}
+   *
+   * @see Fragment#getArguments()
+   */
+  public static final String PARAM_ARGUMENTS = "arguments";
+
+  /**
+   * The key to insert the selected {@link PhoneAccountHandle} to bundle in {@link #PARAM_ARGUMENTS}
+   */
+  public static final String PARAM_PHONE_ACCOUNT_HANDLE_KEY = "phone_account_handle_key";
+
+  /**
+   * The title of the {@link #PARAM_TARGET_FRAGMENT} once it is launched with {@link
+   * PreferenceActivity#startWithFragment(String, Bundle, Fragment, int)}, as a string resource ID.
+   */
+  public static final String PARAM_TARGET_TITLE_RES = "target_title_res";
+
+  private String targetFragment;
+  private Bundle arguments;
+  private String phoneAccountHandleKey;
+  private int titleRes;
+
+  @Override
+  public void onCreate(Bundle savedInstanceState) {
+    super.onCreate(savedInstanceState);
+    targetFragment = getArguments().getString(PARAM_TARGET_FRAGMENT);
+    arguments = new Bundle();
+    arguments.putAll(getArguments().getBundle(PARAM_ARGUMENTS));
+    phoneAccountHandleKey = getArguments().getString(PARAM_PHONE_ACCOUNT_HANDLE_KEY);
+    titleRes = getArguments().getInt(PARAM_TARGET_TITLE_RES, 0);
+  }
+
+  final class AccountPreference extends Preference {
+    private final PhoneAccountHandle phoneAccountHandle;
+
+    public AccountPreference(
+        Context context, PhoneAccountHandle phoneAccountHandle, PhoneAccount phoneAccount) {
+      super(context);
+      this.phoneAccountHandle = phoneAccountHandle;
+      setTitle(phoneAccount.getLabel());
+      setSummary(phoneAccount.getShortDescription());
+      Icon icon = phoneAccount.getIcon();
+      if (icon != null) {
+        setIcon(icon.loadDrawable(context));
+      }
+    }
+
+    @VisibleForTesting
+    void click() {
+      onClick();
+    }
+
+    @Override
+    protected void onClick() {
+      super.onClick();
+      PreferenceActivity preferenceActivity = (PreferenceActivity) getActivity();
+      arguments.putParcelable(phoneAccountHandleKey, phoneAccountHandle);
+      preferenceActivity.startWithFragment(targetFragment, arguments, null, 0, titleRes, 0);
+    }
+  }
+
+  @Override
+  public void onResume() {
+    super.onResume();
+    setPreferenceScreen(getPreferenceManager().createPreferenceScreen(getContext()));
+    PreferenceScreen screen = getPreferenceScreen();
+
+    TelecomManager telecomManager = getContext().getSystemService(TelecomManager.class);
+
+    List<PhoneAccountHandle> accountHandles = telecomManager.getCallCapablePhoneAccounts();
+
+    Context context = getActivity();
+    for (PhoneAccountHandle handle : accountHandles) {
+      PhoneAccount account = telecomManager.getPhoneAccount(handle);
+      if (account != null) {
+        final boolean isSimAccount =
+            0 != (account.getCapabilities() & PhoneAccount.CAPABILITY_SIM_SUBSCRIPTION);
+        if (isSimAccount) {
+          screen.addPreference(new AccountPreference(context, handle, account));
+        }
+      }
+    }
+  }
+}