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 17package com.android.layoutlib.bridge; 18 19import com.android.ide.common.rendering.api.IAnimationListener; 20import com.android.ide.common.rendering.api.ILayoutPullParser; 21import com.android.ide.common.rendering.api.RenderParams; 22import com.android.ide.common.rendering.api.RenderSession; 23import com.android.ide.common.rendering.api.Result; 24import com.android.ide.common.rendering.api.ViewInfo; 25import com.android.layoutlib.bridge.impl.RenderSessionImpl; 26 27import android.view.View; 28import android.view.ViewGroup; 29 30import java.awt.image.BufferedImage; 31import java.util.List; 32import 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 */ 41public 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 List<ViewInfo> getSystemRootViews() { 68 return mSession.getSystemViewInfos(); 69 } 70 71 @Override 72 public Map<String, String> getDefaultProperties(Object viewObject) { 73 return mSession.getDefaultProperties(viewObject); 74 } 75 76 @Override 77 public Result getProperty(Object objectView, String propertyName) { 78 // pass 79 return super.getProperty(objectView, propertyName); 80 } 81 82 @Override 83 public Result setProperty(Object objectView, String propertyName, String propertyValue) { 84 // pass 85 return super.setProperty(objectView, propertyName, propertyValue); 86 } 87 88 @Override 89 public Result render(long timeout, boolean forceMeasure) { 90 try { 91 Bridge.prepareThread(); 92 mLastResult = mSession.acquire(timeout); 93 if (mLastResult.isSuccess()) { 94 if (forceMeasure) { 95 mSession.invalidateRenderingSize(); 96 } 97 mLastResult = mSession.render(false /*freshRender*/); 98 } 99 } finally { 100 mSession.release(); 101 Bridge.cleanupThread(); 102 } 103 104 return mLastResult; 105 } 106 107 @Override 108 public Result animate(Object targetObject, String animationName, 109 boolean isFrameworkAnimation, IAnimationListener listener) { 110 try { 111 Bridge.prepareThread(); 112 mLastResult = mSession.acquire(RenderParams.DEFAULT_TIMEOUT); 113 if (mLastResult.isSuccess()) { 114 mLastResult = mSession.animate(targetObject, animationName, isFrameworkAnimation, 115 listener); 116 } 117 } finally { 118 mSession.release(); 119 Bridge.cleanupThread(); 120 } 121 122 return mLastResult; 123 } 124 125 @Override 126 public Result insertChild(Object parentView, ILayoutPullParser childXml, int index, 127 IAnimationListener listener) { 128 if (parentView instanceof ViewGroup == false) { 129 throw new IllegalArgumentException("parentView is not a ViewGroup"); 130 } 131 132 try { 133 Bridge.prepareThread(); 134 mLastResult = mSession.acquire(RenderParams.DEFAULT_TIMEOUT); 135 if (mLastResult.isSuccess()) { 136 mLastResult = mSession.insertChild((ViewGroup) parentView, childXml, index, 137 listener); 138 } 139 } finally { 140 mSession.release(); 141 Bridge.cleanupThread(); 142 } 143 144 return mLastResult; 145 } 146 147 148 @Override 149 public Result moveChild(Object parentView, Object childView, int index, 150 Map<String, String> layoutParams, IAnimationListener listener) { 151 if (parentView instanceof ViewGroup == false) { 152 throw new IllegalArgumentException("parentView is not a ViewGroup"); 153 } 154 if (childView instanceof View == false) { 155 throw new IllegalArgumentException("childView is not a View"); 156 } 157 158 try { 159 Bridge.prepareThread(); 160 mLastResult = mSession.acquire(RenderParams.DEFAULT_TIMEOUT); 161 if (mLastResult.isSuccess()) { 162 mLastResult = mSession.moveChild((ViewGroup) parentView, (View) childView, index, 163 layoutParams, listener); 164 } 165 } finally { 166 mSession.release(); 167 Bridge.cleanupThread(); 168 } 169 170 return mLastResult; 171 } 172 173 @Override 174 public Result removeChild(Object childView, IAnimationListener listener) { 175 if (childView instanceof View == false) { 176 throw new IllegalArgumentException("childView is not a View"); 177 } 178 179 try { 180 Bridge.prepareThread(); 181 mLastResult = mSession.acquire(RenderParams.DEFAULT_TIMEOUT); 182 if (mLastResult.isSuccess()) { 183 mLastResult = mSession.removeChild((View) childView, listener); 184 } 185 } finally { 186 mSession.release(); 187 Bridge.cleanupThread(); 188 } 189 190 return mLastResult; 191 } 192 193 @Override 194 public void dispose() { 195 } 196 197 /*package*/ BridgeRenderSession(RenderSessionImpl scene, Result lastResult) { 198 mSession = scene; 199 if (scene != null) { 200 mSession.setScene(this); 201 } 202 mLastResult = lastResult; 203 } 204} 205