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/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
package org.mozilla.gecko.media;
import org.mozilla.gecko.AppConstants;
import android.media.MediaCrypto;
import android.util.Log;
final class LocalMediaDrmBridge implements GeckoMediaDrm {
private static final String LOGTAG = "GeckoLocalMediaDrmBridge";
private static final boolean DEBUG = false;
private GeckoMediaDrm mBridge = null;
private CallbacksForwarder mCallbacksFwd;
// Forward the callback calls from GeckoMediaDrmBridgeV{21,23}
// to the callback MediaDrmProxy.Callbacks.
private class CallbacksForwarder implements GeckoMediaDrm.Callbacks {
private final GeckoMediaDrm.Callbacks mProxyCallbacks;
CallbacksForwarder(GeckoMediaDrm.Callbacks callbacks) {
assertTrue(callbacks != null);
mProxyCallbacks = callbacks;
}
@Override
public void onSessionCreated(int createSessionToken,
int promiseId,
byte[] sessionId,
byte[] request) {
assertTrue(mProxyCallbacks != null);
mProxyCallbacks.onSessionCreated(createSessionToken,
promiseId,
sessionId,
request);
}
@Override
public void onSessionUpdated(int promiseId, byte[] sessionId) {
assertTrue(mProxyCallbacks != null);
mProxyCallbacks.onSessionUpdated(promiseId, sessionId);
}
@Override
public void onSessionClosed(int promiseId, byte[] sessionId) {
assertTrue(mProxyCallbacks != null);
mProxyCallbacks.onSessionClosed(promiseId, sessionId);
}
@Override
public void onSessionMessage(byte[] sessionId,
int sessionMessageType,
byte[] request) {
assertTrue(mProxyCallbacks != null);
mProxyCallbacks.onSessionMessage(sessionId, sessionMessageType, request);
}
@Override
public void onSessionError(byte[] sessionId,
String message) {
assertTrue(mProxyCallbacks != null);
mProxyCallbacks.onSessionError(sessionId, message);
}
@Override
public void onSessionBatchedKeyChanged(byte[] sessionId,
SessionKeyInfo[] keyInfos) {
assertTrue(mProxyCallbacks != null);
mProxyCallbacks.onSessionBatchedKeyChanged(sessionId, keyInfos);
}
@Override
public void onRejectPromise(int promiseId, String message) {
if (DEBUG) Log.d(LOGTAG, message);
assertTrue(mProxyCallbacks != null);
mProxyCallbacks.onRejectPromise(promiseId, message);
}
} // CallbacksForwarder
private static void assertTrue(boolean condition) {
if (DEBUG && !condition) {
throw new AssertionError("Expected condition to be true");
}
}
LocalMediaDrmBridge(String keySystem) throws Exception {
if (AppConstants.Versions.preLollipop) {
mBridge = null;
} else if (AppConstants.Versions.feature21Plus &&
AppConstants.Versions.preMarshmallow) {
mBridge = new GeckoMediaDrmBridgeV21(keySystem);
} else {
mBridge = new GeckoMediaDrmBridgeV23(keySystem);
}
}
@Override
public synchronized void setCallbacks(Callbacks callbacks) {
if (DEBUG) Log.d(LOGTAG, "setCallbacks()");
mCallbacksFwd = new CallbacksForwarder(callbacks);
assertTrue(mBridge != null);
mBridge.setCallbacks(mCallbacksFwd);
}
@Override
public synchronized void createSession(int createSessionToken,
int promiseId,
String initDataType,
byte[] initData) {
if (DEBUG) Log.d(LOGTAG, "createSession()");
assertTrue(mCallbacksFwd != null);
try {
mBridge.createSession(createSessionToken, promiseId, initDataType, initData);
} catch (Exception e) {
Log.e(LOGTAG, "Failed to createSession.", e);
mCallbacksFwd.onRejectPromise(promiseId, "Failed to createSession.");
}
}
@Override
public synchronized void updateSession(int promiseId, String sessionId, byte[] response) {
if (DEBUG) Log.d(LOGTAG, "updateSession()");
assertTrue(mCallbacksFwd != null);
try {
mBridge.updateSession(promiseId, sessionId, response);
} catch (Exception e) {
Log.e(LOGTAG, "Failed to updateSession.", e);
mCallbacksFwd.onRejectPromise(promiseId, "Failed to updateSession.");
}
}
@Override
public synchronized void closeSession(int promiseId, String sessionId) {
if (DEBUG) Log.d(LOGTAG, "closeSession()");
assertTrue(mCallbacksFwd != null);
try {
mBridge.closeSession(promiseId, sessionId);
} catch (Exception e) {
Log.e(LOGTAG, "Failed to closeSession.", e);
mCallbacksFwd.onRejectPromise(promiseId, "Failed to closeSession.");
}
}
@Override
public synchronized void release() {
if (DEBUG) Log.d(LOGTAG, "release()");
try {
mBridge.release();
mBridge = null;
mCallbacksFwd = null;
} catch (Exception e) {
Log.e(LOGTAG, "Failed to release", e);
}
}
@Override
public synchronized MediaCrypto getMediaCrypto() {
if (DEBUG) Log.d(LOGTAG, "getMediaCrypto()");
return mBridge != null ? mBridge.getMediaCrypto() : null;
}
}
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