Merge "Adding Wifi setting to special_access settings"

src/com/android/settings/wifi/AppStateChangeWifiStateBridge.java

@@ -0,0 +1,92 @@
+/*
+ * Copyright (C) 2018 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.wifi;
+
+import android.Manifest;
+import android.app.AppOpsManager;
+import android.content.Context;
+
+import com.android.settings.applications.AppStateAppOpsBridge;
+import com.android.settings.applications.AppStateAppOpsBridge.PermissionState;
+import com.android.settingslib.applications.ApplicationsState;
+import com.android.settingslib.applications.ApplicationsState.AppEntry;
+import com.android.settingslib.applications.ApplicationsState.AppFilter;
+
+import java.util.List;
+/*
+ * Connects info of apps that change wifi state to the ApplicationsState. Wraps around the generic
+ * AppStateAppOpsBridge class to tailor to the semantics of CHANGE_WIFI_STATE. Also provides app
+ * filters that can use the info.
+ */
+public class AppStateChangeWifiStateBridge extends AppStateAppOpsBridge {
+
+    private static final String TAG = "AppStateChangeWifiStateBridge";
+    private static final int APP_OPS_OP_CODE = AppOpsManager.OP_CHANGE_WIFI_STATE;
+    private static final String PM_CHANGE_WIFI_STATE = Manifest.permission.CHANGE_WIFI_STATE;
+
+    private static final String[] PM_PERMISSIONS = {
+            PM_CHANGE_WIFI_STATE
+    };
+
+    public AppStateChangeWifiStateBridge(Context context, ApplicationsState appState, Callback
+            callback) {
+        super(context, appState, callback, APP_OPS_OP_CODE, PM_PERMISSIONS);
+    }
+
+    @Override
+    protected void updateExtraInfo(AppEntry app, String pkg, int uid) {
+        app.extraInfo = getWifiSettingsInfo(pkg, uid);
+    }
+
+    @Override
+    protected void loadAllExtraInfo() {
+        final List<AppEntry> allApps = mAppSession.getAllApps();
+        for (AppEntry entry : allApps) {
+            updateExtraInfo(entry, entry.info.packageName, entry.info.uid);
+        }
+    }
+
+    public WifiSettingsState getWifiSettingsInfo(String pkg, int uid) {
+        PermissionState permissionState = super.getPermissionInfo(pkg, uid);
+        return new WifiSettingsState(permissionState);
+    }
+
+    public static class WifiSettingsState extends AppStateAppOpsBridge.PermissionState {
+        public WifiSettingsState(PermissionState permissionState) {
+            super(permissionState.packageName, permissionState.userHandle);
+            this.packageInfo = permissionState.packageInfo;
+            this.appOpMode = permissionState.appOpMode;
+            this.permissionDeclared = permissionState.permissionDeclared;
+            this.staticPermissionGranted = permissionState.staticPermissionGranted;
+        }
+    }
+
+    public static final AppFilter FILTER_CHANGE_WIFI_STATE = new AppFilter() {
+        @Override
+        public void init() {
+        }
+
+        @Override
+        public boolean filterApp(AppEntry info) {
+            if (info == null || info.extraInfo == null) {
+                return false;
+            }
+            WifiSettingsState wifiSettingsState = (WifiSettingsState) info.extraInfo;
+            return wifiSettingsState.permissionDeclared;
+        }
+    };
+}

src/com/android/settings/wifi/ChangeWifiStateDetails.java

@@ -0,0 +1,141 @@
+/*
+ * Copyright (C) 2018 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.wifi;
+
+import android.Manifest.permission;
+import android.app.AlertDialog;
+import android.app.AppOpsManager;
+import android.content.Context;
+import android.os.Bundle;
+import android.support.v14.preference.SwitchPreference;
+import android.support.v7.preference.Preference;
+import android.support.v7.preference.Preference.OnPreferenceChangeListener;
+
+import com.android.internal.annotations.VisibleForTesting;
+import com.android.internal.logging.nano.MetricsProto.MetricsEvent;
+import com.android.settings.applications.AppInfoWithHeader;
+import com.android.settings.applications.AppStateAppOpsBridge.PermissionState;
+import com.android.settings.R;
+import com.android.settings.overlay.FeatureFactory;
+
+import com.android.settings.wifi.AppStateChangeWifiStateBridge.WifiSettingsState;
+import com.android.settingslib.applications.ApplicationsState.AppEntry;
+import com.android.settingslib.applications.ApplicationsState.AppFilter;
+
+import static android.app.AppOpsManager.MODE_ALLOWED;
+import static android.app.AppOpsManager.MODE_IGNORED;
+
+public class ChangeWifiStateDetails extends AppInfoWithHeader
+        implements OnPreferenceChangeListener {
+
+    private static final String KEY_APP_OPS_SETTINGS_SWITCH = "app_ops_settings_switch";
+    private static final String LOG_TAG = "ChangeWifiStateDetails";
+
+    private AppStateChangeWifiStateBridge mAppBridge;
+    private AppOpsManager mAppOpsManager;
+    private SwitchPreference mSwitchPref;
+    private WifiSettingsState mWifiSettingsState;
+
+    @Override
+    public void onCreate(Bundle savedInstanceState) {
+        super.onCreate(savedInstanceState);
+        final Context context = getActivity();
+        mAppBridge = new AppStateChangeWifiStateBridge(context, mState, null);
+        mAppOpsManager = (AppOpsManager) context.getSystemService(Context.APP_OPS_SERVICE);
+
+        // find preferences
+        addPreferencesFromResource(R.xml.change_wifi_state_details);
+        mSwitchPref = (SwitchPreference) findPreference(KEY_APP_OPS_SETTINGS_SWITCH);
+
+        // set title/summary for all of them
+        mSwitchPref.setTitle(R.string.change_wifi_state_app_detail_switch);
+
+        // install event listeners
+        mSwitchPref.setOnPreferenceChangeListener(this);
+    }
+
+    @Override
+    protected AlertDialog createDialog(int id, int errorCode) {
+        return null;
+    }
+
+    @Override
+    public int getMetricsCategory() {
+        return MetricsEvent.CONFIGURE_WIFI;
+    }
+
+    @Override
+    public boolean onPreferenceChange(Preference preference, Object newValue) {
+        if (preference == mSwitchPref) {
+            if (mWifiSettingsState != null && (Boolean) newValue
+                    != mWifiSettingsState.isPermissible()) {
+                setCanChangeWifiState(!mWifiSettingsState.isPermissible());
+                refreshUi();
+            }
+            return true;
+        }
+        return false;
+    }
+
+    private void setCanChangeWifiState(boolean newState) {
+        logSpecialPermissionChange(newState, mPackageName);
+        mAppOpsManager.setMode(AppOpsManager.OP_CHANGE_WIFI_STATE,
+                mPackageInfo.applicationInfo.uid, mPackageName, newState
+                        ? AppOpsManager.MODE_ALLOWED : AppOpsManager.MODE_IGNORED);
+    }
+
+    protected void logSpecialPermissionChange(boolean newState, String packageName) {
+        int logCategory = newState ? MetricsEvent.APP_SPECIAL_PERMISSION_SETTINGS_CHANGE_ALLOW
+                : MetricsEvent.APP_SPECIAL_PERMISSION_SETTINGS_CHANGE_DENY;
+        FeatureFactory.getFactory(getContext()).getMetricsFeatureProvider().action(getContext(),
+                logCategory, packageName);
+    }
+
+    @Override
+    protected boolean refreshUi() {
+        if (mPackageInfo == null || mPackageInfo.applicationInfo == null) {
+            return false;
+        }
+        mWifiSettingsState = mAppBridge.getWifiSettingsInfo(mPackageName,
+                mPackageInfo.applicationInfo.uid);
+
+        boolean canChange = mWifiSettingsState.isPermissible();
+        mSwitchPref.setChecked(canChange);
+        // you can't ask a user for a permission you didn't even declare!
+        mSwitchPref.setEnabled(mWifiSettingsState.permissionDeclared);
+        return true;
+    }
+
+    public static CharSequence getSummary(Context context, AppEntry entry) {
+        WifiSettingsState state;
+        if (entry.extraInfo instanceof WifiSettingsState) {
+            state = (WifiSettingsState) entry.extraInfo;
+        } else if (entry.extraInfo instanceof PermissionState) {
+            state = new WifiSettingsState((PermissionState) entry.extraInfo);
+        } else {
+            state = new AppStateChangeWifiStateBridge(context, null, null).getWifiSettingsInfo(
+                    entry.info.packageName, entry.info.uid);
+        }
+        return getSummary(context, state);
+    }
+
+    public static CharSequence getSummary(Context context, WifiSettingsState wifiSettingsState) {
+        return context.getString(wifiSettingsState.isPermissible()
+                ? R.string.app_permission_summary_allowed
+                : R.string.app_permission_summary_not_allowed);
+    }
+}