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/*
* 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.launcher3.compat;
import android.content.Context;
import android.content.pm.ApplicationInfo;
import android.content.pm.PackageInstaller;
import android.content.pm.PackageInstaller.SessionCallback;
import android.content.pm.PackageInstaller.SessionInfo;
import android.os.Handler;
import android.os.Process;
import android.os.UserHandle;
import android.text.TextUtils;
import android.util.SparseArray;
import com.android.launcher3.IconCache;
import com.android.launcher3.LauncherAppState;
import com.android.launcher3.LauncherModel;
import com.android.launcher3.config.FeatureFlags;
import com.android.launcher3.util.Thunk;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.Iterator;
import java.util.List;
public class PackageInstallerCompatVL extends PackageInstallerCompat {
private static final boolean DEBUG = false;
@Thunk final SparseArray<String> mActiveSessions = new SparseArray<>();
@Thunk final PackageInstaller mInstaller;
private final IconCache mCache;
private final Handler mWorker;
private final Context mAppContext;
private final HashMap<String,Boolean> mSessionVerifiedMap = new HashMap<>();
PackageInstallerCompatVL(Context context) {
mAppContext = context.getApplicationContext();
mInstaller = context.getPackageManager().getPackageInstaller();
mCache = LauncherAppState.getInstance(context).getIconCache();
mWorker = new Handler(LauncherModel.getWorkerLooper());
mInstaller.registerSessionCallback(mCallback, mWorker);
}
@Override
public HashMap<String, Integer> updateAndGetActiveSessionCache() {
HashMap<String, Integer> activePackages = new HashMap<>();
UserHandle user = Process.myUserHandle();
for (SessionInfo info : getAllVerifiedSessions()) {
addSessionInfoToCache(info, user);
if (info.getAppPackageName() != null) {
activePackages.put(info.getAppPackageName(), (int) (info.getProgress() * 100));
mActiveSessions.put(info.getSessionId(), info.getAppPackageName());
}
}
return activePackages;
}
@Thunk void addSessionInfoToCache(SessionInfo info, UserHandle user) {
String packageName = info.getAppPackageName();
if (packageName != null) {
mCache.cachePackageInstallInfo(packageName, user, info.getAppIcon(),
info.getAppLabel());
}
}
@Override
public void onStop() {
mInstaller.unregisterSessionCallback(mCallback);
}
@Thunk void sendUpdate(PackageInstallInfo info) {
LauncherAppState app = LauncherAppState.getInstanceNoCreate();
if (app != null) {
app.getModel().setPackageState(info);
}
}
private final SessionCallback mCallback = new SessionCallback() {
@Override
public void onCreated(int sessionId) {
SessionInfo sessionInfo = pushSessionDisplayToLauncher(sessionId);
if (FeatureFlags.LAUNCHER3_PROMISE_APPS_IN_ALL_APPS && sessionInfo != null) {
LauncherAppState app = LauncherAppState.getInstanceNoCreate();
if (app != null) {
app.getModel().onInstallSessionCreated(
PackageInstallInfo.fromInstallingState(sessionInfo));
}
}
}
@Override
public void onFinished(int sessionId, boolean success) {
// For a finished session, we can't get the session info. So use the
// packageName from our local cache.
String packageName = mActiveSessions.get(sessionId);
mActiveSessions.remove(sessionId);
if (packageName != null) {
sendUpdate(PackageInstallInfo.fromState(
success ? STATUS_INSTALLED : STATUS_FAILED,
packageName));
}
}
@Override
public void onProgressChanged(int sessionId, float progress) {
SessionInfo session = verify(mInstaller.getSessionInfo(sessionId));
if (session != null && session.getAppPackageName() != null) {
sendUpdate(PackageInstallInfo.fromInstallingState(session));
}
}
@Override
public void onActiveChanged(int sessionId, boolean active) { }
@Override
public void onBadgingChanged(int sessionId) {
pushSessionDisplayToLauncher(sessionId);
}
private SessionInfo pushSessionDisplayToLauncher(int sessionId) {
SessionInfo session = verify(mInstaller.getSessionInfo(sessionId));
if (session != null && session.getAppPackageName() != null) {
mActiveSessions.put(sessionId, session.getAppPackageName());
addSessionInfoToCache(session, Process.myUserHandle());
LauncherAppState app = LauncherAppState.getInstanceNoCreate();
if (app != null) {
app.getModel().updateSessionDisplayInfo(session.getAppPackageName());
}
return session;
}
return null;
}
};
private PackageInstaller.SessionInfo verify(PackageInstaller.SessionInfo sessionInfo) {
if (sessionInfo == null
|| sessionInfo.getInstallerPackageName() == null
|| TextUtils.isEmpty(sessionInfo.getAppPackageName())) {
return null;
}
String pkg = sessionInfo.getInstallerPackageName();
synchronized (mSessionVerifiedMap) {
if (!mSessionVerifiedMap.containsKey(pkg)) {
LauncherAppsCompat launcherApps = LauncherAppsCompat.getInstance(mAppContext);
boolean hasSystemFlag = launcherApps.getApplicationInfo(pkg,
ApplicationInfo.FLAG_SYSTEM, Process.myUserHandle()) != null;
mSessionVerifiedMap.put(pkg, DEBUG || hasSystemFlag);
}
}
return mSessionVerifiedMap.get(pkg) ? sessionInfo : null;
}
@Override
public List<SessionInfo> getAllVerifiedSessions() {
List<SessionInfo> list = new ArrayList<>(mInstaller.getAllSessions());
Iterator<SessionInfo> it = list.iterator();
while (it.hasNext()) {
if (verify(it.next()) == null) {
it.remove();
}
}
return list;
}
}
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