Deepanshu Gupta | 3d65b92 | 2014-11-04 18:19:55 -0800 | [diff] [blame^] | 1 | /* |
| 2 | * Copyright (C) 2014 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 com.android.layoutlib.bridge.impl.DelegateManager; |
| 20 | import com.android.tools.layoutlib.annotations.LayoutlibDelegate; |
| 21 | |
| 22 | /** |
| 23 | * Delegate implementing the native methods of {@link RenderNode} |
| 24 | * <p/> |
| 25 | * Through the layoutlib_create tool, some native methods of RenderNode have been replaced by calls |
| 26 | * to methods of the same name in this delegate class. |
| 27 | * |
| 28 | * @see DelegateManager |
| 29 | */ |
| 30 | public class RenderNode_Delegate { |
| 31 | |
| 32 | |
| 33 | // ---- delegate manager ---- |
| 34 | private static final DelegateManager<RenderNode_Delegate> sManager = |
| 35 | new DelegateManager<RenderNode_Delegate>(RenderNode_Delegate.class); |
| 36 | |
| 37 | |
| 38 | private float mLift; |
| 39 | @SuppressWarnings("UnusedDeclaration") |
| 40 | private String mName; |
| 41 | |
| 42 | @LayoutlibDelegate |
| 43 | /*package*/ static long nCreate(String name) { |
| 44 | RenderNode_Delegate renderNodeDelegate = new RenderNode_Delegate(); |
| 45 | renderNodeDelegate.mName = name; |
| 46 | return sManager.addNewDelegate(renderNodeDelegate); |
| 47 | } |
| 48 | |
| 49 | @LayoutlibDelegate |
| 50 | /*package*/ static void nDestroyRenderNode(long renderNode) { |
| 51 | sManager.removeJavaReferenceFor(renderNode); |
| 52 | } |
| 53 | |
| 54 | @LayoutlibDelegate |
| 55 | /*package*/ static boolean nSetElevation(long renderNode, float lift) { |
| 56 | RenderNode_Delegate delegate = sManager.getDelegate(renderNode); |
| 57 | if (delegate != null && delegate.mLift != lift) { |
| 58 | delegate.mLift = lift; |
| 59 | return true; |
| 60 | } |
| 61 | return false; |
| 62 | } |
| 63 | |
| 64 | @LayoutlibDelegate |
| 65 | /*package*/ static float nGetElevation(long renderNode) { |
| 66 | RenderNode_Delegate delegate = sManager.getDelegate(renderNode); |
| 67 | if (delegate != null) { |
| 68 | return delegate.mLift; |
| 69 | } |
| 70 | return 0f; |
| 71 | } |
| 72 | } |