| /* |
| * Copyright (C) 2010 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.layoutlib.bridge; |
| |
| import com.android.ide.common.rendering.api.RenderSession; |
| import com.android.ide.common.rendering.api.ResourceReference; |
| import com.android.ide.common.rendering.api.ResourceValue; |
| import com.android.ide.common.rendering.api.Result; |
| import com.android.ide.common.rendering.api.ViewInfo; |
| import com.android.layoutlib.bridge.impl.RenderSessionImpl; |
| import com.android.tools.layoutlib.java.System_Delegate; |
| |
| import android.annotation.NonNull; |
| import android.annotation.Nullable; |
| |
| import java.awt.image.BufferedImage; |
| import java.util.Collections; |
| import java.util.List; |
| import java.util.Map; |
| |
| /** |
| * An implementation of {@link RenderSession}. |
| * |
| * This is a pretty basic class that does almost nothing. All of the work is done in |
| * {@link RenderSessionImpl}. |
| * |
| */ |
| public class BridgeRenderSession extends RenderSession { |
| |
| @Nullable |
| private final RenderSessionImpl mSession; |
| @NonNull |
| private Result mLastResult; |
| |
| @Override |
| public Result getResult() { |
| return mLastResult; |
| } |
| |
| @Override |
| public BufferedImage getImage() { |
| return mSession != null ? mSession.getImage() : |
| new BufferedImage(1, 1, BufferedImage.TYPE_INT_ARGB); |
| } |
| |
| @Override |
| public List<ViewInfo> getRootViews() { |
| return mSession != null ? mSession.getViewInfos() : Collections.emptyList(); |
| } |
| |
| @Override |
| public List<ViewInfo> getSystemRootViews() { |
| return mSession != null ? mSession.getSystemViewInfos() : Collections.emptyList(); |
| } |
| |
| @Override |
| public Map<Object, Map<ResourceReference, ResourceValue>> getDefaultNamespacedProperties() { |
| return mSession != null ? mSession.getDefaultNamespacedProperties() : |
| Collections.emptyMap(); |
| } |
| |
| @Override |
| public Map<Object, ResourceReference> getDefaultNamespacedStyles() { |
| return mSession != null ? mSession.getDefaultNamespacedStyles() : Collections.emptyMap(); |
| } |
| |
| @Override |
| public Result measure(long timeout) { |
| if (mSession != null) { |
| try { |
| Bridge.prepareThread(); |
| mLastResult = mSession.acquire(timeout); |
| if (mLastResult.isSuccess()) { |
| mSession.invalidateRenderingSize(); |
| mLastResult = mSession.measure(); |
| } |
| } finally { |
| mSession.release(); |
| Bridge.cleanupThread(); |
| } |
| } |
| |
| return mLastResult; |
| } |
| |
| @Override |
| public Result render(long timeout, boolean forceMeasure) { |
| if (mSession != null) { |
| try { |
| Bridge.prepareThread(); |
| mLastResult = mSession.acquire(timeout); |
| if (mLastResult.isSuccess()) { |
| if (forceMeasure) { |
| mSession.invalidateRenderingSize(); |
| } |
| mLastResult = mSession.render(false /*freshRender*/); |
| } |
| } finally { |
| mSession.release(); |
| Bridge.cleanupThread(); |
| } |
| } |
| |
| return mLastResult; |
| } |
| |
| @Override |
| public void setSystemTimeNanos(long nanos) { |
| System_Delegate.setNanosTime(nanos); |
| } |
| |
| @Override |
| public void setSystemBootTimeNanos(long nanos) { |
| System_Delegate.setBootTimeNanos(nanos); |
| } |
| |
| @Override |
| public void setElapsedFrameTimeNanos(long nanos) { |
| if (mSession != null) { |
| mSession.setElapsedFrameTimeNanos(nanos); |
| } |
| } |
| |
| @Override |
| public void dispose() { |
| if (mSession != null) { |
| mSession.dispose(); |
| } |
| } |
| |
| /*package*/ BridgeRenderSession(@Nullable RenderSessionImpl scene, @NonNull Result lastResult) { |
| mSession = scene; |
| if (scene != null) { |
| mSession.setScene(this); |
| } |
| mLastResult = lastResult; |
| } |
| |
| @Override |
| public Object getValidationData() { |
| if (mSession != null) { |
| return mSession.getValidatorResult(); |
| } |
| return null; |
| } |
| } |