From e755d469d40b95e763a9dcb67d0e4f511d1948dd Mon Sep 17 00:00:00 2001 From: Sunny Goyal Date: Tue, 22 Jul 2014 13:48:29 -0700 Subject: Implementing a package install progress listener for L issue: 15835307 Change-Id: I71aaea087963f2e0e1206447190cbe23c174057d --- .../compat/PackageInstallerCompatV16.java | 170 +++++++++++++++++++++ 1 file changed, 170 insertions(+) create mode 100644 src/com/android/launcher3/compat/PackageInstallerCompatV16.java (limited to 'src/com/android/launcher3/compat/PackageInstallerCompatV16.java') diff --git a/src/com/android/launcher3/compat/PackageInstallerCompatV16.java b/src/com/android/launcher3/compat/PackageInstallerCompatV16.java new file mode 100644 index 000000000..653a88c7d --- /dev/null +++ b/src/com/android/launcher3/compat/PackageInstallerCompatV16.java @@ -0,0 +1,170 @@ +/* + * 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.SharedPreferences; +import android.text.TextUtils; +import android.util.Log; + +import com.android.launcher3.LauncherAppState; +import com.android.launcher3.ShortcutInfo; + +import org.json.JSONException; +import org.json.JSONObject; +import org.json.JSONStringer; +import org.json.JSONTokener; + +import java.util.ArrayList; + +public class PackageInstallerCompatV16 extends PackageInstallerCompat { + + private static final String TAG = "PackageInstallerCompatV16"; + private static final boolean DEBUG = false; + + private static final String KEY_PROGRESS = "progress"; + private static final String KEY_STATE = "state"; + + private static final String PREFS = + "com.android.launcher3.compat.PackageInstallerCompatV16.queue"; + + protected final SharedPreferences mPrefs; + + boolean mUseQueue; + boolean mFinishedBind; + boolean mReplayPending; + + PackageInstallerCompatV16(Context context) { + mPrefs = context.getSharedPreferences(PREFS, Context.MODE_PRIVATE); + } + + @Override + public void onPause() { + mUseQueue = true; + if (DEBUG) Log.d(TAG, "updates paused"); + } + + @Override + public void onResume() { + mUseQueue = false; + if (mFinishedBind) { + replayUpdates(); + } + } + + @Override + public void onFinishBind() { + mFinishedBind = true; + if (!mUseQueue) { + replayUpdates(); + } + } + + @Override + public void onStop() { } + + private void replayUpdates() { + if (DEBUG) Log.d(TAG, "updates resumed"); + LauncherAppState app = LauncherAppState.getInstanceNoCreate(); + if (app == null) { + mReplayPending = true; // try again later + if (DEBUG) Log.d(TAG, "app is null, delaying send"); + return; + } + mReplayPending = false; + ArrayList updates = new ArrayList<>(); + for (String packageName: mPrefs.getAll().keySet()) { + final String json = mPrefs.getString(packageName, null); + if (!TextUtils.isEmpty(json)) { + updates.add(infoFromJson(packageName, json)); + } + } + if (!updates.isEmpty()) { + sendUpdate(app, updates); + } + } + + /** + * This should be called by the implementations to register a package update. + */ + @Override + public synchronized void recordPackageUpdate(String packageName, int state, int progress) { + SharedPreferences.Editor editor = mPrefs.edit(); + PackageInstallInfo installInfo = new PackageInstallInfo(packageName); + installInfo.progress = progress; + installInfo.state = state; + if (state == ShortcutInfo.PACKAGE_STATE_DEFAULT) { + // no longer necessary to track this package + editor.remove(packageName); + if (DEBUG) Log.d(TAG, "no longer tracking " + packageName); + } else { + editor.putString(packageName, infoToJson(installInfo)); + if (DEBUG) + Log.d(TAG, "saved state: " + infoToJson(installInfo) + + " for package: " + packageName); + + } + editor.commit(); + + if (!mUseQueue) { + if (mReplayPending) { + replayUpdates(); + } else { + LauncherAppState app = LauncherAppState.getInstanceNoCreate(); + ArrayList update = new ArrayList<>(); + update.add(installInfo); + sendUpdate(app, update); + } + } + } + + private void sendUpdate(LauncherAppState app, ArrayList updates) { + if (app == null) { + mReplayPending = true; // try again later + if (DEBUG) Log.d(TAG, "app is null, delaying send"); + } else { + app.setPackageState(updates); + } + } + + private static PackageInstallInfo infoFromJson(String packageName, String json) { + PackageInstallInfo info = new PackageInstallInfo(packageName); + try { + JSONObject object = (JSONObject) new JSONTokener(json).nextValue(); + info.state = object.getInt(KEY_STATE); + info.progress = object.getInt(KEY_PROGRESS); + } catch (JSONException e) { + Log.e(TAG, "failed to deserialize app state update", e); + } + return info; + } + + private static String infoToJson(PackageInstallInfo info) { + String value = null; + try { + JSONStringer json = new JSONStringer() + .object() + .key(KEY_STATE).value(info.state) + .key(KEY_PROGRESS).value(info.progress) + .endObject(); + value = json.toString(); + } catch (JSONException e) { + Log.e(TAG, "failed to serialize app state update", e); + } + return value; + } +} -- cgit v1.2.3