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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.ComponentName;
import android.content.Context;
import android.content.Intent;
import android.graphics.Rect;
import android.os.Build;
import android.os.Bundle;
import android.os.UserHandle;
import java.lang.reflect.InvocationHandler;
import java.util.ArrayList;
import java.util.Collections;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import java.lang.reflect.Proxy;
import java.lang.reflect.Method;
public class LauncherAppsCompatVL extends LauncherAppsCompat {
private Object mLauncherApps;
private Class mLauncherAppsClass;
private Class mListenerClass;
private Method mGetActivityList;
private Method mResolveActivity;
private Method mStartActivityForProfile;
private Method mAddOnAppsChangedListener;
private Method mRemoveOnAppsChangedListener;
private Method mIsPackageEnabledForProfile;
private Method mIsActivityEnabledForProfile;
private Map<OnAppsChangedListenerCompat, Object> mListeners
= new HashMap<OnAppsChangedListenerCompat, Object>();
static LauncherAppsCompatVL build(Context context, Object launcherApps) {
LauncherAppsCompatVL compat = new LauncherAppsCompatVL(context, launcherApps);
compat.mListenerClass = ReflectUtils.getClassForName(
"android.content.pm.LauncherApps$OnAppsChangedListener");
compat.mLauncherAppsClass = ReflectUtils.getClassForName("android.content.pm.LauncherApps");
compat.mGetActivityList = ReflectUtils.getMethod(compat.mLauncherAppsClass,
"getActivityList",
String.class, UserHandle.class);
compat.mResolveActivity = ReflectUtils.getMethod(compat.mLauncherAppsClass,
"resolveActivity",
Intent.class, UserHandle.class);
compat.mStartActivityForProfile = ReflectUtils.getMethod(compat.mLauncherAppsClass,
"startActivityForProfile",
ComponentName.class, Rect.class, Bundle.class, UserHandle.class);
compat.mAddOnAppsChangedListener = ReflectUtils.getMethod(compat.mLauncherAppsClass,
"addOnAppsChangedListener", compat.mListenerClass);
compat.mRemoveOnAppsChangedListener = ReflectUtils.getMethod(compat.mLauncherAppsClass,
"removeOnAppsChangedListener", compat.mListenerClass);
compat.mIsPackageEnabledForProfile = ReflectUtils.getMethod(compat.mLauncherAppsClass,
"isPackageEnabledForProfile", String.class, UserHandle.class);
compat.mIsActivityEnabledForProfile = ReflectUtils.getMethod(compat.mLauncherAppsClass,
"isActivityEnabledForProfile", ComponentName.class, UserHandle.class);
if (compat.mListenerClass != null
&& compat.mLauncherAppsClass != null
&& compat.mGetActivityList != null
&& compat.mResolveActivity != null
&& compat.mStartActivityForProfile != null
&& compat.mAddOnAppsChangedListener != null
&& compat.mRemoveOnAppsChangedListener != null
&& compat.mIsPackageEnabledForProfile != null
&& compat.mIsActivityEnabledForProfile != null) {
return compat;
}
return null;
}
private LauncherAppsCompatVL(Context context, Object launcherApps) {
super();
mLauncherApps = launcherApps;
}
public List<LauncherActivityInfoCompat> getActivityList(String packageName,
UserHandleCompat user) {
List<Object> list = (List<Object>) ReflectUtils.invokeMethod(mLauncherApps,
mGetActivityList, packageName, user.getUser());
if (list.size() == 0) {
return Collections.EMPTY_LIST;
}
ArrayList<LauncherActivityInfoCompat> compatList =
new ArrayList<LauncherActivityInfoCompat>(list.size());
for (Object info : list) {
compatList.add(new LauncherActivityInfoCompatVL(info));
}
return compatList;
}
public LauncherActivityInfoCompat resolveActivity(Intent intent, UserHandleCompat user) {
Object activity = ReflectUtils.invokeMethod(mLauncherApps, mResolveActivity,
intent, user.getUser());
if (activity != null) {
return new LauncherActivityInfoCompatVL(activity);
} else {
return null;
}
}
public void startActivityForProfile(ComponentName component, Rect sourceBounds,
Bundle opts, UserHandleCompat user) {
ReflectUtils.invokeMethod(mLauncherApps, mStartActivityForProfile,
component, sourceBounds, opts, user.getUser());
}
public void addOnAppsChangedListener(LauncherAppsCompat.OnAppsChangedListenerCompat listener) {
Object wrappedListener = Proxy.newProxyInstance(mListenerClass.getClassLoader(),
new Class[]{mListenerClass}, new WrappedListener(listener));
synchronized (mListeners) {
mListeners.put(listener, wrappedListener);
}
ReflectUtils.invokeMethod(mLauncherApps, mAddOnAppsChangedListener, wrappedListener);
}
public void removeOnAppsChangedListener(
LauncherAppsCompat.OnAppsChangedListenerCompat listener) {
Object wrappedListener = null;
synchronized (mListeners) {
wrappedListener = mListeners.remove(listener);
}
if (wrappedListener != null) {
ReflectUtils.invokeMethod(mLauncherApps, mRemoveOnAppsChangedListener, wrappedListener);
}
}
public boolean isPackageEnabledForProfile(String packageName, UserHandleCompat user) {
return (Boolean) ReflectUtils.invokeMethod(mLauncherApps, mIsPackageEnabledForProfile,
packageName, user.getUser());
}
public boolean isActivityEnabledForProfile(ComponentName component, UserHandleCompat user) {
return (Boolean) ReflectUtils.invokeMethod(mLauncherApps, mIsActivityEnabledForProfile,
component, user.getUser());
}
private static class WrappedListener implements InvocationHandler {
private LauncherAppsCompat.OnAppsChangedListenerCompat mListener;
public WrappedListener(LauncherAppsCompat.OnAppsChangedListenerCompat listener) {
mListener = listener;
}
public Object invoke(Object proxy, Method m, Object[] args) throws Throwable {
try {
String methodName = m.getName();
if ("onPackageRemoved".equals(methodName)) {
onPackageRemoved((UserHandle) args[0], (String) args[1]);
} else if ("onPackageAdded".equals(methodName)) {
onPackageAdded((UserHandle) args[0], (String) args[1]);
} else if ("onPackageChanged".equals(methodName)) {
onPackageChanged((UserHandle) args[0], (String) args[1]);
} else if ("onPackagesAvailable".equals(methodName)) {
onPackagesAvailable((UserHandle) args[0], (String []) args[1],
(Boolean) args[2]);
} else if ("onPackagesUnavailable".equals(methodName)) {
onPackagesUnavailable((UserHandle) args[0], (String []) args[1],
(Boolean) args[2]);
}
} finally {
return null;
}
}
public void onPackageRemoved(UserHandle user, String packageName) {
mListener.onPackageRemoved(UserHandleCompat.fromUser(user), packageName);
}
public void onPackageAdded(UserHandle user, String packageName) {
mListener.onPackageAdded(UserHandleCompat.fromUser(user), packageName);
}
public void onPackageChanged(UserHandle user, String packageName) {
mListener.onPackageChanged(UserHandleCompat.fromUser(user), packageName);
}
public void onPackagesAvailable(UserHandle user, String[] packageNames, boolean replacing) {
mListener.onPackagesAvailable(UserHandleCompat.fromUser(user), packageNames, replacing);
}
public void onPackagesUnavailable(UserHandle user, String[] packageNames,
boolean replacing) {
mListener.onPackagesUnavailable(UserHandleCompat.fromUser(user), packageNames,
replacing);
}
}
}
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