1 files changed, 344 insertions, 0 deletions
diff --git a/src/com/android/settings/notification/ManagedServiceSettings.java b/src/com/android/settings/notification/ManagedServiceSettings.java
new file mode 100644
index 0000000..7be644e
--- /dev/null
+++ b/src/com/android/settings/notification/ManagedServiceSettings.java
@@ -0,0 +1,344 @@
+/*
+ * 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.notification;
+
+import android.app.ActivityManager;
+import android.app.AlertDialog;
+import android.app.Dialog;
+import android.app.DialogFragment;
+import android.app.ListFragment;
+import android.content.BroadcastReceiver;
+import android.content.ComponentName;
+import android.content.ContentResolver;
+import android.content.Context;
+import android.content.DialogInterface;
+import android.content.Intent;
+import android.content.IntentFilter;
+import android.content.pm.PackageItemInfo;
+import android.content.pm.PackageManager;
+import android.content.pm.ResolveInfo;
+import android.content.pm.ServiceInfo;
+import android.database.ContentObserver;
+import android.net.Uri;
+import android.os.Bundle;
+import android.os.Handler;
+import android.provider.Settings;
+import android.util.Slog;
+import android.view.LayoutInflater;
+import android.view.View;
+import android.view.ViewGroup;
+import android.widget.ArrayAdapter;
+import android.widget.CheckBox;
+import android.widget.ImageView;
+import android.widget.ListView;
+import android.widget.TextView;
+
+import com.android.settings.R;
+
+import java.util.HashSet;
+import java.util.List;
+
+public abstract class ManagedServiceSettings extends ListFragment {
+    private static final boolean SHOW_PACKAGE_NAME = false;
+
+    private final Config mConfig;
+    private PackageManager mPM;
+    private ContentResolver mCR;
+
+    private final HashSet<ComponentName> mEnabledServices = new HashSet<ComponentName>();
+    private ServiceListAdapter mListAdapter;
+
+    abstract protected Config getConfig();
+
+    public ManagedServiceSettings() {
+        mConfig = getConfig();
+    }
+
+    private final ContentObserver mSettingsObserver = new ContentObserver(new Handler()) {
+        @Override
+        public void onChange(boolean selfChange, Uri uri) {
+            updateList();
+        }
+    };
+
+    private final BroadcastReceiver mPackageReceiver = new BroadcastReceiver() {
+        @Override
+        public void onReceive(Context context, Intent intent) {
+            updateList();
+        }
+    };
+
+    public class ScaryWarningDialogFragment extends DialogFragment {
+        static final String KEY_COMPONENT = "c";
+        static final String KEY_LABEL = "l";
+
+        public ScaryWarningDialogFragment setServiceInfo(ComponentName cn, String label) {
+            Bundle args = new Bundle();
+            args.putString(KEY_COMPONENT, cn.flattenToString());
+            args.putString(KEY_LABEL, label);
+            setArguments(args);
+            return this;
+        }
+
+        @Override
+        public Dialog onCreateDialog(Bundle savedInstanceState) {
+            super.onCreate(savedInstanceState);
+            final Bundle args = getArguments();
+            final String label = args.getString(KEY_LABEL);
+            final ComponentName cn = ComponentName.unflattenFromString(args.getString(KEY_COMPONENT));
+
+            final String title = getResources().getString(mConfig.warningDialogTitle, label);
+            final String summary = getResources().getString(mConfig.warningDialogSummary, label);
+            return new AlertDialog.Builder(getActivity())
+                    .setMessage(summary)
+                    .setTitle(title)
+                    .setCancelable(true)
+                    .setPositiveButton(android.R.string.ok,
+                            new DialogInterface.OnClickListener() {
+                                public void onClick(DialogInterface dialog, int id) {
+                                    mEnabledServices.add(cn);
+                                    saveEnabledServices();
+                                }
+                            })
+                    .setNegativeButton(android.R.string.cancel,
+                            new DialogInterface.OnClickListener() {
+                                public void onClick(DialogInterface dialog, int id) {
+                                    // pass
+                                }
+                            })
+                    .create();
+        }
+    }
+
+    @Override
+    public void onCreate(Bundle icicle) {
+        super.onCreate(icicle);
+
+        mPM = getActivity().getPackageManager();
+        mCR = getActivity().getContentResolver();
+        mListAdapter = new ServiceListAdapter(getActivity());
+    }
+
+    @Override
+    public View onCreateView(LayoutInflater inflater, ViewGroup container,
+            Bundle savedInstanceState) {
+        View v =  inflater.inflate(R.layout.managed_service_settings, container, false);
+        TextView empty = (TextView) v.findViewById(android.R.id.empty);
+        empty.setText(mConfig.emptyText);
+        return v;
+    }
+
+    @Override
+    public void onResume() {
+        super.onResume();
+        updateList();
+
+        // listen for package changes
+        IntentFilter filter = new IntentFilter();
+        filter.addAction(Intent.ACTION_PACKAGE_ADDED);
+        filter.addAction(Intent.ACTION_PACKAGE_CHANGED);
+        filter.addAction(Intent.ACTION_PACKAGE_REMOVED);
+        filter.addAction(Intent.ACTION_PACKAGE_REPLACED);
+        filter.addDataScheme("package");
+        getActivity().registerReceiver(mPackageReceiver, filter);
+
+        mCR.registerContentObserver(Settings.Secure.getUriFor(mConfig.setting),
+                false, mSettingsObserver);
+    }
+
+    @Override
+    public void onPause() {
+        super.onPause();
+
+        getActivity().unregisterReceiver(mPackageReceiver);
+        mCR.unregisterContentObserver(mSettingsObserver);
+    }
+
+    private void loadEnabledServices() {
+        mEnabledServices.clear();
+        final String flat = Settings.Secure.getString(mCR, mConfig.setting);
+        if (flat != null && !"".equals(flat)) {
+            final String[] names = flat.split(":");
+            for (int i = 0; i < names.length; i++) {
+                final ComponentName cn = ComponentName.unflattenFromString(names[i]);
+                if (cn != null) {
+                    mEnabledServices.add(cn);
+                }
+            }
+        }
+    }
+
+    private void saveEnabledServices() {
+        StringBuilder sb = null;
+        for (ComponentName cn : mEnabledServices) {
+            if (sb == null) {
+                sb = new StringBuilder();
+            } else {
+                sb.append(':');
+            }
+            sb.append(cn.flattenToString());
+        }
+        Settings.Secure.putString(mCR,
+                mConfig.setting,
+                sb != null ? sb.toString() : "");
+    }
+
+    private void updateList() {
+        loadEnabledServices();
+
+        getServices(mConfig, mListAdapter, mPM);
+        mListAdapter.sort(new PackageItemInfo.DisplayNameComparator(mPM));
+
+        getListView().setAdapter(mListAdapter);
+    }
+
+    protected static int getEnabledServicesCount(Config config, Context context) {
+        final String flat = Settings.Secure.getString(context.getContentResolver(), config.setting);
+        if (flat == null || "".equals(flat)) return 0;
+        final String[] components = flat.split(":");
+        return components.length;
+    }
+
+    protected static int getServicesCount(Config c, PackageManager pm) {
+        return getServices(c, null, pm);
+    }
+
+    private static int getServices(Config c, ArrayAdapter<ServiceInfo> adapter, PackageManager pm) {
+        int services = 0;
+        if (adapter != null) {
+            adapter.clear();
+        }
+        final int user = ActivityManager.getCurrentUser();
+
+        List<ResolveInfo> installedServices = pm.queryIntentServicesAsUser(
+                new Intent(c.intentAction),
+                PackageManager.GET_SERVICES | PackageManager.GET_META_DATA,
+                user);
+
+        for (int i = 0, count = installedServices.size(); i < count; i++) {
+            ResolveInfo resolveInfo = installedServices.get(i);
+            ServiceInfo info = resolveInfo.serviceInfo;
+
+            if (!c.permission.equals(info.permission)) {
+                Slog.w(c.tag, "Skipping " + c.noun + " service "
+                        + info.packageName + "/" + info.name
+                        + ": it does not require the permission "
+                        + c.permission);
+                continue;
+            }
+            if (adapter != null) {
+                adapter.add(info);
+            }
+            services++;
+        }
+        return services;
+    }
+
+    private boolean isServiceEnabled(ServiceInfo info) {
+        final ComponentName cn = new ComponentName(info.packageName, info.name);
+        return mEnabledServices.contains(cn);
+    }
+
+    @Override
+    public void onListItemClick(ListView l, View v, int position, long id) {
+        ServiceInfo info = mListAdapter.getItem(position);
+        final ComponentName cn = new ComponentName(info.packageName, info.name);
+        if (mEnabledServices.contains(cn)) {
+            // the simple version: disabling
+            mEnabledServices.remove(cn);
+            saveEnabledServices();
+        } else {
+            // show a scary dialog
+            new ScaryWarningDialogFragment()
+                .setServiceInfo(cn, info.loadLabel(mPM).toString())
+                .show(getFragmentManager(), "dialog");
+        }
+    }
+
+    private static class ViewHolder {
+        ImageView icon;
+        TextView name;
+        CheckBox checkbox;
+        TextView description;
+    }
+
+    private class ServiceListAdapter extends ArrayAdapter<ServiceInfo> {
+        final LayoutInflater mInflater;
+
+        ServiceListAdapter(Context context) {
+            super(context, 0, 0);
+            mInflater = (LayoutInflater)
+                    getActivity().getSystemService(Context.LAYOUT_INFLATER_SERVICE);
+        }
+
+        public boolean hasStableIds() {
+            return true;
+        }
+
+        public long getItemId(int position) {
+            return position;
+        }
+
+        public View getView(int position, View convertView, ViewGroup parent) {
+            View v;
+            if (convertView == null) {
+                v = newView(parent);
+            } else {
+                v = convertView;
+            }
+            bindView(v, position);
+            return v;
+        }
+
+        public View newView(ViewGroup parent) {
+            View v = mInflater.inflate(R.layout.managed_service_item, parent, false);
+            ViewHolder h = new ViewHolder();
+            h.icon = (ImageView) v.findViewById(R.id.icon);
+            h.name = (TextView) v.findViewById(R.id.name);
+            h.checkbox = (CheckBox) v.findViewById(R.id.checkbox);
+            h.description = (TextView) v.findViewById(R.id.description);
+            v.setTag(h);
+            return v;
+        }
+
+        public void bindView(View view, int position) {
+            ViewHolder vh = (ViewHolder) view.getTag();
+            ServiceInfo info = getItem(position);
+
+            vh.icon.setImageDrawable(info.loadIcon(mPM));
+            vh.name.setText(info.loadLabel(mPM));
+            if (SHOW_PACKAGE_NAME) {
+                vh.description.setText(info.packageName);
+                vh.description.setVisibility(View.VISIBLE);
+            } else {
+                vh.description.setVisibility(View.GONE);
+            }
+            vh.checkbox.setChecked(isServiceEnabled(info));
+        }
+    }
+
+    protected static class Config {
+        String tag;
+        String setting;
+        String intentAction;
+        String permission;
+        String noun;
+        int warningDialogTitle;
+        int warningDialogSummary;
+        int emptyText;
+    }
+}