1 files changed, 65 insertions, 0 deletions
diff --git a/include/media/stagefright/foundation/ALooperRoster.h b/include/media/stagefright/foundation/ALooperRoster.h
new file mode 100644
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+++ b/include/media/stagefright/foundation/ALooperRoster.h
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+/*
+ * 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.
+ */
+
+#ifndef A_LOOPER_ROSTER_H_
+
+#define A_LOOPER_ROSTER_H_
+
+#include <media/stagefright/foundation/ALooper.h>
+#include <utils/KeyedVector.h>
+
+namespace android {
+
+struct ALooperRoster {
+    ALooperRoster();
+
+    ALooper::handler_id registerHandler(
+            const sp<ALooper> looper, const sp<AHandler> &handler);
+
+    void unregisterHandler(ALooper::handler_id handlerID);
+
+    status_t postMessage(const sp<AMessage> &msg, int64_t delayUs = 0);
+    void deliverMessage(const sp<AMessage> &msg);
+
+    status_t postAndAwaitResponse(
+            const sp<AMessage> &msg, sp<AMessage> *response);
+
+    void postReply(uint32_t replyID, const sp<AMessage> &reply);
+
+    sp<ALooper> findLooper(ALooper::handler_id handlerID);
+
+private:
+    struct HandlerInfo {
+        wp<ALooper> mLooper;
+        wp<AHandler> mHandler;
+    };
+
+    Mutex mLock;
+    KeyedVector<ALooper::handler_id, HandlerInfo> mHandlers;
+    ALooper::handler_id mNextHandlerID;
+    uint32_t mNextReplyID;
+    Condition mRepliesCondition;
+
+    KeyedVector<uint32_t, sp<AMessage> > mReplies;
+
+    status_t postMessage_l(const sp<AMessage> &msg, int64_t delayUs);
+
+    DISALLOW_EVIL_CONSTRUCTORS(ALooperRoster);
+};
+
+}  // namespace android
+
+#endif  // A_LOOPER_ROSTER_H_