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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.systemui.recents;
import android.app.ActivityManager;
import android.app.ActivityOptions;
import android.content.ComponentName;
import android.content.Context;
import android.content.Intent;
import android.content.pm.ActivityInfo;
import android.content.pm.PackageManager;
import android.graphics.Bitmap;
import android.graphics.Canvas;
import android.graphics.drawable.ColorDrawable;
import android.graphics.drawable.Drawable;
import java.util.ArrayList;
import java.util.List;
import java.util.Random;
/**
* Acts as a shim around the real system services that we need to access data from, and provides
* a point of injection when testing UI.
*/
public class SystemServicesProxy {
ActivityManager mAm;
PackageManager mPm;
String mPackage;
Bitmap mDummyIcon;
/** Private constructor */
public SystemServicesProxy(Context context) {
mAm = (ActivityManager) context.getSystemService(Context.ACTIVITY_SERVICE);
mPm = context.getPackageManager();
mPackage = context.getPackageName();
if (Constants.DebugFlags.App.EnableSystemServicesProxy) {
// Create a dummy icon
mDummyIcon = Bitmap.createBitmap(1, 1, Bitmap.Config.ALPHA_8);
Canvas c = new Canvas(mDummyIcon);
c.drawColor(0xFFFF0000);
c.setBitmap(null);
}
}
/** Returns a list of the recents tasks */
public List<ActivityManager.RecentTaskInfo> getRecentTasks(int numTasks, int userId) {
if (mAm == null) return null;
// If we are mocking, then create some recent tasks
if (Constants.DebugFlags.App.EnableSystemServicesProxy) {
ArrayList<ActivityManager.RecentTaskInfo> tasks =
new ArrayList<ActivityManager.RecentTaskInfo>();
int count = Math.min(numTasks, Constants.DebugFlags.App.SystemServicesProxyMockTaskCount);
for (int i = 0; i < count; i++) {
// Create a dummy component name
int packageIndex = i % Constants.DebugFlags.App.SystemServicesProxyMockPackageCount;
ComponentName cn = new ComponentName("com.android.test" + packageIndex,
"com.android.test" + i + ".Activity");
// Create the recent task info
ActivityManager.RecentTaskInfo rti = new ActivityManager.RecentTaskInfo();
rti.id = rti.persistentId = i;
rti.baseIntent = new Intent();
rti.baseIntent.setComponent(cn);
rti.description = rti.activityLabel =
Long.toString(Math.abs(new Random().nextLong()), 36);
if (i % 2 == 0) {
rti.activityIcon = Bitmap.createBitmap(mDummyIcon);
}
tasks.add(rti);
}
return tasks;
}
return mAm.getRecentTasksForUser(numTasks,
ActivityManager.RECENT_IGNORE_UNAVAILABLE |
ActivityManager.RECENT_INCLUDE_PROFILES, userId);
}
/** Returns a list of the running tasks */
public List<ActivityManager.RunningTaskInfo> getRunningTasks(int numTasks) {
if (mAm == null) return null;
return mAm.getRunningTasks(numTasks);
}
/** Returns whether the specified task is in the home stack */
public boolean isInHomeStack(int taskId) {
if (mAm == null) return false;
// If we are mocking, then just return false
if (Constants.DebugFlags.App.EnableSystemServicesProxy) {
return false;
}
return mAm.isInHomeStack(taskId);
}
/** Returns the top task thumbnail for the given task id */
public Bitmap getTaskThumbnail(int taskId) {
if (mAm == null) return null;
// If we are mocking, then just return a dummy thumbnail
if (Constants.DebugFlags.App.EnableSystemServicesProxy) {
Bitmap thumbnail = Bitmap.createBitmap(1, 1, Bitmap.Config.ARGB_8888);
Canvas c = new Canvas(thumbnail);
c.drawColor(0xFF00ff00);
c.setBitmap(null);
return thumbnail;
}
return mAm.getTaskTopThumbnail(taskId);
}
/** Moves a task to the front with the specified activity options */
public void moveTaskToFront(int taskId, ActivityOptions opts) {
if (mAm == null) return;
if (Constants.DebugFlags.App.EnableSystemServicesProxy) return;
if (opts != null) {
mAm.moveTaskToFront(taskId, ActivityManager.MOVE_TASK_WITH_HOME,
opts.toBundle());
} else {
mAm.moveTaskToFront(taskId, ActivityManager.MOVE_TASK_WITH_HOME);
}
}
/** Removes the task and kills the process */
public void removeTask(int taskId) {
if (mAm == null) return;
if (Constants.DebugFlags.App.EnableSystemServicesProxy) return;
mAm.removeTask(taskId, ActivityManager.REMOVE_TASK_KILL_PROCESS);
}
/** Returns the activity info for a given component name */
public ActivityInfo getActivityInfo(ComponentName cn) {
if (mPm == null) return null;
if (Constants.DebugFlags.App.EnableSystemServicesProxy) return null;
try {
return mPm.getActivityInfo(cn, PackageManager.GET_META_DATA);
} catch (PackageManager.NameNotFoundException e) {
e.printStackTrace();
return null;
}
}
/** Returns the activity label */
public String getActivityLabel(ActivityInfo info) {
if (mPm == null) return null;
// If we are mocking, then return a mock label
if (Constants.DebugFlags.App.EnableSystemServicesProxy) {
return "Recent Task";
}
return info.loadLabel(mPm).toString();
}
/** Returns the activity icon */
public Drawable getActivityIcon(ActivityInfo info) {
if (mPm == null) return null;
// If we are mocking, then return a mock label
if (Constants.DebugFlags.App.EnableSystemServicesProxy) {
return new ColorDrawable(0xFFff0000);
}
return info.loadIcon(mPm);
}
}
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