| /* |
| * Copyright (C) 2015 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.packageinstaller.permission.model; |
| |
| import android.content.Context; |
| import android.content.pm.PackageInfo; |
| import android.content.pm.PackageManager; |
| import android.text.BidiFormatter; |
| import android.text.TextPaint; |
| import android.text.TextUtils; |
| |
| import com.android.packageinstaller.DeviceUtils; |
| |
| import java.util.ArrayList; |
| import java.util.Collections; |
| import java.util.LinkedHashMap; |
| import java.util.List; |
| |
| public final class AppPermissions { |
| private static final float MAX_APP_LABEL_LENGTH_PIXELS = 500; |
| |
| private static final TextPaint sAppLabelEllipsizePaint = new TextPaint(); |
| static { |
| sAppLabelEllipsizePaint.setAntiAlias(true); |
| // Both text size and width are given in absolute pixels, for consistent truncation |
| // across devices; this value corresponds to the default 14dip size on an xdhpi device. |
| sAppLabelEllipsizePaint.setTextSize(42); |
| } |
| |
| private final ArrayList<AppPermissionGroup> mGroups = new ArrayList<>(); |
| |
| private final LinkedHashMap<String, AppPermissionGroup> mNameToGroupMap = new LinkedHashMap<>(); |
| |
| private final Context mContext; |
| |
| private final String[] mFilterPermissions; |
| |
| private final CharSequence mAppLabel; |
| |
| private final Runnable mOnErrorCallback; |
| |
| private final boolean mSortGroups; |
| |
| private PackageInfo mPackageInfo; |
| |
| public AppPermissions(Context context, PackageInfo packageInfo, String[] permissions, |
| boolean sortGroups, Runnable onErrorCallback) { |
| mContext = context; |
| mPackageInfo = packageInfo; |
| mFilterPermissions = permissions; |
| mAppLabel = loadEllipsizedAppLabel(context, packageInfo); |
| mSortGroups = sortGroups; |
| mOnErrorCallback = onErrorCallback; |
| loadPermissionGroups(); |
| } |
| |
| public PackageInfo getPackageInfo() { |
| return mPackageInfo; |
| } |
| |
| public void refresh() { |
| loadPackageInfo(); |
| loadPermissionGroups(); |
| } |
| |
| public CharSequence getAppLabel() { |
| return mAppLabel; |
| } |
| |
| public AppPermissionGroup getPermissionGroup(String name) { |
| return mNameToGroupMap.get(name); |
| } |
| |
| public List<AppPermissionGroup> getPermissionGroups() { |
| return mGroups; |
| } |
| |
| |
| private void loadPackageInfo() { |
| try { |
| mPackageInfo = mContext.getPackageManager().getPackageInfo( |
| mPackageInfo.packageName, PackageManager.GET_PERMISSIONS); |
| } catch (PackageManager.NameNotFoundException e) { |
| if (mOnErrorCallback != null) { |
| mOnErrorCallback.run(); |
| } |
| } |
| } |
| |
| private void loadPermissionGroups() { |
| mGroups.clear(); |
| |
| if (mPackageInfo.requestedPermissions == null) { |
| return; |
| } |
| |
| if (mFilterPermissions != null) { |
| for (String filterPermission : mFilterPermissions) { |
| for (String requestedPerm : mPackageInfo.requestedPermissions) { |
| if (!filterPermission.equals(requestedPerm)) { |
| continue; |
| } |
| |
| if (hasGroupForPermission(requestedPerm)) { |
| break; |
| } |
| |
| AppPermissionGroup group = AppPermissionGroup.create(mContext, |
| mPackageInfo, requestedPerm); |
| if (group == null) { |
| break; |
| } |
| |
| mGroups.add(group); |
| break; |
| } |
| } |
| } else { |
| for (String requestedPerm : mPackageInfo.requestedPermissions) { |
| if (hasGroupForPermission(requestedPerm)) { |
| continue; |
| } |
| |
| AppPermissionGroup group = AppPermissionGroup.create(mContext, |
| mPackageInfo, requestedPerm); |
| if (group == null) { |
| continue; |
| } |
| |
| mGroups.add(group); |
| } |
| } |
| |
| if (mSortGroups) { |
| Collections.sort(mGroups); |
| } |
| |
| mNameToGroupMap.clear(); |
| for (AppPermissionGroup group : mGroups) { |
| mNameToGroupMap.put(group.getName(), group); |
| } |
| } |
| |
| private boolean hasGroupForPermission(String permission) { |
| for (AppPermissionGroup group : mGroups) { |
| if (group.hasPermission(permission)) { |
| return true; |
| } |
| } |
| return false; |
| } |
| |
| private static CharSequence loadEllipsizedAppLabel(Context context, PackageInfo packageInfo) { |
| String label = packageInfo.applicationInfo.loadLabel( |
| context.getPackageManager()).toString(); |
| String ellipsizedLabel = label.replace("\n", " "); |
| if (!DeviceUtils.isWear(context)) { |
| // Only ellipsize for non-Wear devices. |
| ellipsizedLabel = TextUtils.ellipsize(ellipsizedLabel, sAppLabelEllipsizePaint, |
| MAX_APP_LABEL_LENGTH_PIXELS, TextUtils.TruncateAt.END).toString(); |
| } |
| return BidiFormatter.getInstance().unicodeWrap(ellipsizedLabel); |
| } |
| } |