1 files changed, 204 insertions, 0 deletions
diff --git a/src/com/android/launcher3/compat/LauncherAppsCompatVL.java b/src/com/android/launcher3/compat/LauncherAppsCompatVL.java
new file mode 100644
index 000000000..c933712a9
--- /dev/null
+++ b/src/com/android/launcher3/compat/LauncherAppsCompatVL.java
@@ -0,0 +1,204 @@
+/*
+ * 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) {
+        return new LauncherActivityInfoCompatVL(ReflectUtils.invokeMethod(mLauncherApps,
+                        mResolveActivity, intent, user.getUser()));
+    }
+
+    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);
+        }
+    }
+}
+