1 /* 2 * Copyright (C) 2010 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 com.android.layoutlib.bridge; 18 19 import com.android.ide.common.rendering.api.IAnimationListener; 20 import com.android.ide.common.rendering.api.ILayoutPullParser; 21 import com.android.ide.common.rendering.api.RenderParams; 22 import com.android.ide.common.rendering.api.RenderSession; 23 import com.android.ide.common.rendering.api.Result; 24 import com.android.ide.common.rendering.api.ViewInfo; 25 import com.android.layoutlib.bridge.impl.RenderSessionImpl; 26 27 import android.view.View; 28 import android.view.ViewGroup; 29 30 import java.awt.image.BufferedImage; 31 import java.util.List; 32 import java.util.Map; 33 34 /** 35 * An implementation of {@link RenderSession}. 36 * 37 * This is a pretty basic class that does almost nothing. All of the work is done in 38 * {@link RenderSessionImpl}. 39 * 40 */ 41 public class BridgeRenderSession extends RenderSession { 42 43 private final RenderSessionImpl mSession; 44 private Result mLastResult; 45 46 @Override 47 public Result getResult() { 48 return mLastResult; 49 } 50 51 @Override 52 public BufferedImage getImage() { 53 return mSession.getImage(); 54 } 55 56 @Override 57 public boolean isAlphaChannelImage() { 58 return mSession.isAlphaChannelImage(); 59 } 60 61 @Override 62 public List<ViewInfo> getRootViews() { 63 return mSession.getViewInfos(); 64 } 65 66 @Override 67 public Map<String, String> getDefaultProperties(Object viewObject) { 68 return mSession.getDefaultProperties(viewObject); 69 } 70 71 @Override 72 public Result getProperty(Object objectView, String propertyName) { 73 // pass 74 return super.getProperty(objectView, propertyName); 75 } 76 77 @Override 78 public Result setProperty(Object objectView, String propertyName, String propertyValue) { 79 // pass 80 return super.setProperty(objectView, propertyName, propertyValue); 81 } 82 83 @Override 84 public Result render(long timeout) { 85 try { 86 Bridge.prepareThread(); 87 mLastResult = mSession.acquire(timeout); 88 if (mLastResult.isSuccess()) { 89 mLastResult = mSession.render(false /*freshRender*/); 90 } 91 } finally { 92 mSession.release(); 93 Bridge.cleanupThread(); 94 } 95 96 return mLastResult; 97 } 98 99 @Override 100 public Result animate(Object targetObject, String animationName, 101 boolean isFrameworkAnimation, IAnimationListener listener) { 102 try { 103 Bridge.prepareThread(); 104 mLastResult = mSession.acquire(RenderParams.DEFAULT_TIMEOUT); 105 if (mLastResult.isSuccess()) { 106 mLastResult = mSession.animate(targetObject, animationName, isFrameworkAnimation, 107 listener); 108 } 109 } finally { 110 mSession.release(); 111 Bridge.cleanupThread(); 112 } 113 114 return mLastResult; 115 } 116 117 @Override 118 public Result insertChild(Object parentView, ILayoutPullParser childXml, int index, 119 IAnimationListener listener) { 120 if (parentView instanceof ViewGroup == false) { 121 throw new IllegalArgumentException("parentView is not a ViewGroup"); 122 } 123 124 try { 125 Bridge.prepareThread(); 126 mLastResult = mSession.acquire(RenderParams.DEFAULT_TIMEOUT); 127 if (mLastResult.isSuccess()) { 128 mLastResult = mSession.insertChild((ViewGroup) parentView, childXml, index, 129 listener); 130 } 131 } finally { 132 mSession.release(); 133 Bridge.cleanupThread(); 134 } 135 136 return mLastResult; 137 } 138 139 140 @Override 141 public Result moveChild(Object parentView, Object childView, int index, 142 Map<String, String> layoutParams, IAnimationListener listener) { 143 if (parentView instanceof ViewGroup == false) { 144 throw new IllegalArgumentException("parentView is not a ViewGroup"); 145 } 146 if (childView instanceof View == false) { 147 throw new IllegalArgumentException("childView is not a View"); 148 } 149 150 try { 151 Bridge.prepareThread(); 152 mLastResult = mSession.acquire(RenderParams.DEFAULT_TIMEOUT); 153 if (mLastResult.isSuccess()) { 154 mLastResult = mSession.moveChild((ViewGroup) parentView, (View) childView, index, 155 layoutParams, listener); 156 } 157 } finally { 158 mSession.release(); 159 Bridge.cleanupThread(); 160 } 161 162 return mLastResult; 163 } 164 165 @Override 166 public Result removeChild(Object childView, IAnimationListener listener) { 167 if (childView instanceof View == false) { 168 throw new IllegalArgumentException("childView is not a View"); 169 } 170 171 try { 172 Bridge.prepareThread(); 173 mLastResult = mSession.acquire(RenderParams.DEFAULT_TIMEOUT); 174 if (mLastResult.isSuccess()) { 175 mLastResult = mSession.removeChild((View) childView, listener); 176 } 177 } finally { 178 mSession.release(); 179 Bridge.cleanupThread(); 180 } 181 182 return mLastResult; 183 } 184 185 @Override 186 public void dispose() { 187 } 188 189 /*package*/ BridgeRenderSession(RenderSessionImpl scene, Result lastResult) { 190 mSession = scene; 191 if (scene != null) { 192 mSession.setScene(this); 193 } 194 mLastResult = lastResult; 195 } 196 } 197
