1 /* 2 * Copyright (C) 2011 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17 package android.view; 18 19 import android.content.Context; 20 import android.os.Handler; 21 import android.view.View.AttachInfo; 22 23 import com.android.layoutlib.bridge.util.ReflectionUtils; 24 25 /** 26 * Class allowing access to package-protected methods/fields. 27 */ 28 public class AttachInfo_Accessor { 29 30 public static void setAttachInfo(View view) { 31 Context context = view.getContext(); 32 WindowManager wm = (WindowManager)context.getSystemService(Context.WINDOW_SERVICE); 33 Display display = wm.getDefaultDisplay(); 34 ViewRootImpl root = new ViewRootImpl(context, display); 35 AttachInfo info = new AttachInfo(ReflectionUtils.createProxy(IWindowSession.class), 36 ReflectionUtils.createProxy(IWindow.class), display, root, new Handler(), null, 37 context); 38 info.mHasWindowFocus = true; 39 info.mWindowVisibility = View.VISIBLE; 40 info.mInTouchMode = false; // this is so that we can display selections. 41 info.mHardwareAccelerated = false; 42 view.dispatchAttachedToWindow(info, 0); 43 } 44 45 public static void dispatchOnPreDraw(View view) { 46 view.mAttachInfo.mTreeObserver.dispatchOnPreDraw(); 47 } 48 49 public static void detachFromWindow(View view) { 50 if (view != null) { 51 view.dispatchDetachedFromWindow(); 52 } 53 } 54 55 public static ViewRootImpl getRootView(View view) { 56 return view.mAttachInfo != null ? view.mAttachInfo.mViewRootImpl : null; 57 } 58 } 59
