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/*
* Copyright (C) 2017 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.remote.server;
import com.android.ide.common.rendering.api.DrawableParams;
import com.android.ide.common.rendering.api.RenderParams;
import com.android.ide.common.rendering.api.Result;
import com.android.ide.common.rendering.api.SessionParams;
import com.android.layout.remote.api.RemoteBridge;
import com.android.layout.remote.api.RemoteDrawableParams;
import com.android.layout.remote.api.RemoteLayoutLog;
import com.android.layout.remote.api.RemoteRenderParams;
import com.android.layout.remote.api.RemoteRenderSession;
import com.android.layout.remote.api.RemoteSessionParams;
import com.android.layoutlib.bridge.Bridge;
import com.android.layoutlib.bridge.remote.server.adapters.RemoteAssetRepositoryAdapter;
import com.android.layoutlib.bridge.remote.server.adapters.RemoteILayoutPullParserAdapter;
import com.android.layoutlib.bridge.remote.server.adapters.RemoteLayoutLogAdapter;
import com.android.layoutlib.bridge.remote.server.adapters.RemoteLayoutlibCallbackAdapter;
import com.android.layoutlib.bridge.remote.server.adapters.RemoteRenderResourcesAdapter;
import com.android.layoutlib.bridge.remote.server.adapters.RemoteRenderSessionAdapter;
import com.android.tools.layoutlib.annotations.NotNull;
import java.io.File;
import java.rmi.RemoteException;
import java.util.HashMap;
import java.util.HashSet;
import java.util.Map;
import java.util.Set;
/**
* Remote {@link Bridge} implementation. This class is the remote entry point for the server. Its
* responsibility is to receive the remote calls and apply the required transformations to convert
* it into a regular call to the {@link Bridge} class.
*/
public class RemoteBridgeImpl implements RemoteBridge {
private Bridge mBridge = new Bridge();
/**
* The project keys are used as key for some caches. They are usually expected to remain in
* memory so WeakReferences are used in the caches.
* Because in the remote bridge we do not have a real pointer to the object, we keep the strings
* in memory until they are cleared.
*/
private Map<String, String> mCachedProjectKeys = new HashMap<>();
@Override
public boolean init(Map<String, String> platformProperties, File fontLocation,
String nativeLibPath, String icuDataPath,
Map<String, Map<String, Integer>> enumValueMap, RemoteLayoutLog log) {
return mBridge.init(platformProperties, fontLocation, nativeLibPath, icuDataPath,
enumValueMap, log != null ? new RemoteLayoutLogAdapter(log) : null);
}
@Override
public boolean dispose() {
return mBridge.dispose();
}
private static void setupRenderParams(@NotNull RenderParams params,
@NotNull RemoteRenderParams remoteParams) throws RemoteException {
params.setAssetRepository(new RemoteAssetRepositoryAdapter(remoteParams.getAssets()));
params.setActivityName(remoteParams.getActivityName());
params.setAppIcon(remoteParams.getAppIcon());
params.setAppLabel(remoteParams.getAppLabel());
params.setTimeout(remoteParams.getTimeout());
params.setLocale(remoteParams.getLocale());
if (remoteParams.isForceNoDecor()) {
params.setForceNoDecor();
}
params.setRtlSupport(remoteParams.isRtlSupported());
if (remoteParams.isTransparentBackground()) {
params.setTransparentBackground();
}
params.setImageFactory(remoteParams.getImageFactory());
// TODO: Also unpack remote flags and pass them to RenderParams
}
@NotNull
@Override
public RemoteRenderSession createSession(@NotNull RemoteSessionParams remoteParams) {
try {
String projectKey = mCachedProjectKeys.putIfAbsent(remoteParams.getProjectKey(),
remoteParams.getProjectKey());
// Unpack the remote params and convert it into the local SessionParams.
SessionParams params = new SessionParams(
new RemoteILayoutPullParserAdapter(remoteParams.getLayoutDescription()),
remoteParams.getRenderingMode(), projectKey,
remoteParams.getRemoteHardwareConfig().getHardwareConfig(),
new RemoteRenderResourcesAdapter(remoteParams.getRemoteResources()),
new RemoteLayoutlibCallbackAdapter(remoteParams.getRemoteLayoutlibCallback()),
remoteParams.getMinSdkVersion(), remoteParams.getTargetSdkVersion(),
new RemoteLayoutLogAdapter(remoteParams.getLog()));
setupRenderParams(params, remoteParams);
return RemoteRenderSessionAdapter.create(mBridge.createSession(params));
} catch (RemoteException e) {
throw new RuntimeException(e);
}
}
@NotNull
@Override
public Result renderDrawable(@NotNull RemoteDrawableParams remoteParams) {
try {
String projectKey = mCachedProjectKeys.putIfAbsent(remoteParams.getProjectKey(),
remoteParams.getProjectKey());
DrawableParams params = new DrawableParams(
remoteParams.getDrawable(),
projectKey,
remoteParams.getRemoteHardwareConfig().getHardwareConfig(),
new RemoteRenderResourcesAdapter(remoteParams.getRemoteResources()),
new RemoteLayoutlibCallbackAdapter(remoteParams.getRemoteLayoutlibCallback()),
remoteParams.getMinSdkVersion(), remoteParams.getTargetSdkVersion(),
new RemoteLayoutLogAdapter(remoteParams.getLog()));
setupRenderParams(params, remoteParams);
return mBridge.renderDrawable(params);
} catch (RemoteException e) {
throw new RuntimeException(e);
}
}
@Override
public void clearResourceCaches(String projectKey) {
mCachedProjectKeys.remove(projectKey);
mBridge.clearResourceCaches(projectKey);
}
@Override
public boolean isRtl(String locale) {
return mBridge.isRtl(locale);
}
}
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