From 1875256811fe9762743ac762cf8cca5b22953742 Mon Sep 17 00:00:00 2001
From: Jeff Davidson <jpd@google.com>
Date: Thu, 17 Apr 2014 11:44:10 -0700
Subject: [PATCH] Support ACTION_CHANGE_ACTIVE for network scorers.

Bug: 13785473
Change-Id: Ida54d4620f95c773c4c4239e9f29c1b987fd6ba2
---
 AndroidManifest.xml                           |  10 ++
 res/values/strings.xml                        |   7 ++
 .../settings/ActiveNetworkScorerDialog.java   | 118 ++++++++++++++++++
 3 files changed, 135 insertions(+)
 create mode 100644 src/com/android/settings/ActiveNetworkScorerDialog.java

diff --git a/AndroidManifest.xml b/AndroidManifest.xml
index 4ee0b217c91..807d011ae43 100644
--- a/AndroidManifest.xml
+++ b/AndroidManifest.xml
@@ -1670,6 +1670,16 @@
             </intent-filter>
         </activity>
 
+        <activity android:name=".ActiveNetworkScorerDialog"
+                  android:label="@string/network_scorer_application"
+                  android:excludeFromRecents="true"
+                  android:theme="@*android:style/Theme.Holo.Light.Dialog.Alert">
+            <intent-filter>
+                <action android:name="android.net.scoring.CHANGE_ACTIVE" />
+                <category android:name="android.intent.category.DEFAULT" />
+            </intent-filter>
+        </activity>
+
        <activity android:name=".PairNfcDevice"
                 android:taskAffinity="com.android.settings"
                 android:parentActivityName="Settings$SecuritySettingsActivity"
diff --git a/res/values/strings.xml b/res/values/strings.xml
index 4db22e34278..81a44b9a35f 100644
--- a/res/values/strings.xml
+++ b/res/values/strings.xml
@@ -2410,6 +2410,13 @@
     <string name="sms_change_default_dialog_text" translatable="true">Use <xliff:g id="new_app">%1$s</xliff:g> instead of <xliff:g id="current_app">%2$s</xliff:g> as your SMS app?</string>
     <string name="sms_change_default_no_previous_dialog_text" translatable="true">Use <xliff:g id="new_app">%s</xliff:g> as your SMS app?</string>
 
+    <!-- Network Scorer Application -->
+    <!-- TODO: Final UX and strings, then mark these as translatable. -->
+    <string name="network_scorer_application" translatable="false">Active network scorer</string>
+    <string name="network_scorer_change_active_dialog_title" translatable="false">Change network scorer?</string>
+    <string name="network_scorer_change_active_dialog_text" translatable="false">Use <xliff:g id="new_app">%1$s</xliff:g> instead of <xliff:g id="current_app">%2$s</xliff:g> as your network scorer?</string>
+    <string name="network_scorer_change_active_no_previous_dialog_text" translatable="false">Use <xliff:g id="new_app">%s</xliff:g> as your network scorer?</string>
+
     <!-- The SIM operator is not known [CHAR_ LIMIT=50]-->
     <string name="mobile_unknown_sim_operator" translatable="true">Uknown SIM operator</string>
 
diff --git a/src/com/android/settings/ActiveNetworkScorerDialog.java b/src/com/android/settings/ActiveNetworkScorerDialog.java
new file mode 100644
index 00000000000..66c9f3f3275
--- /dev/null
+++ b/src/com/android/settings/ActiveNetworkScorerDialog.java
@@ -0,0 +1,118 @@
+/*
+ * Copyright (C) 2014 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.content.DialogInterface;
+import android.content.Intent;
+import android.content.pm.PackageManager;
+import android.content.pm.PackageManager.NameNotFoundException;
+import android.net.NetworkScoreManager;
+import android.net.NetworkScorerAppManager;
+import android.os.Bundle;
+import android.text.TextUtils;
+import android.util.Log;
+
+import com.android.internal.app.AlertActivity;
+import com.android.internal.app.AlertController;
+import com.android.settings.R;
+
+/**
+ * Dialog to allow a user to select a new network scorer.
+ *
+ * <p>Finishes with {@link #RESULT_CANCELED} in all circumstances unless the scorer is successfully
+ * changed or was already set to the new value (in which case it finishes with {@link #RESULT_OK}).
+ */
+public final class ActiveNetworkScorerDialog extends AlertActivity implements
+        DialogInterface.OnClickListener {
+    private static final String TAG = "ActiveNetworkScorerDialog";
+
+    private String mNewPackageName;
+
+    @Override
+    protected void onCreate(Bundle savedInstanceState) {
+        super.onCreate(savedInstanceState);
+
+        Intent intent = getIntent();
+        mNewPackageName = intent.getStringExtra(NetworkScoreManager.EXTRA_PACKAGE_NAME);
+
+        if (!buildDialog()) {
+            finish();
+        }
+    }
+
+    @Override
+    public void onClick(DialogInterface dialog, int which) {
+        switch (which) {
+            case BUTTON_POSITIVE:
+                NetworkScoreManager nsm =
+                    (NetworkScoreManager) getSystemService(Context.NETWORK_SCORE_SERVICE);
+                if (nsm.setActiveScorer(mNewPackageName)) {
+                    setResult(RESULT_OK);
+                }
+                break;
+            case BUTTON_NEGATIVE:
+                break;
+        }
+    }
+
+    private boolean buildDialog() {
+        if (!NetworkScorerAppManager.isPackageValidScorer(this, mNewPackageName)) {
+            Log.e(TAG, "New package " + mNewPackageName + " is not a valid scorer.");
+            return false;
+        }
+
+        String oldPackageName = NetworkScorerAppManager.getActiveScorer(this);
+        if (TextUtils.equals(oldPackageName, mNewPackageName)) {
+            Log.i(TAG, "New package " + mNewPackageName + " is already the active scorer.");
+            // Set RESULT_OK to indicate to the caller that the "switch" was successful.
+            setResult(RESULT_OK);
+            return false;
+        }
+
+        // Compose dialog.
+        PackageManager pm = getPackageManager();
+        CharSequence oldName = null;
+        CharSequence newName;
+        try {
+            if (oldPackageName != null) {
+                oldName = pm.getApplicationInfo(oldPackageName, 0).loadLabel(pm);
+            }
+            newName = pm.getApplicationInfo(mNewPackageName, 0).loadLabel(pm);
+        } catch (NameNotFoundException e) {
+            Log.e(TAG, "Unable to look up package info for scorers", e);
+            return false;
+        }
+
+        final AlertController.AlertParams p = mAlertParams;
+        p.mTitle = getString(R.string.network_scorer_change_active_dialog_title);
+        if (oldPackageName != null) {
+            p.mMessage = getString(R.string.network_scorer_change_active_dialog_text, newName,
+                    oldName);
+        } else {
+            p.mMessage = getString(R.string.network_scorer_change_active_no_previous_dialog_text,
+                    newName);
+        }
+        p.mPositiveButtonText = getString(R.string.yes);
+        p.mNegativeButtonText = getString(R.string.no);
+        p.mPositiveButtonListener = this;
+        p.mNegativeButtonListener = this;
+        setupAlert();
+
+        return true;
+    }
+}