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      1 /*
      2  * Copyright (C) 2012 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 
     17 #ifndef SDP_LOADER_H_
     18 
     19 #define SDP_LOADER_H_
     20 
     21 #include <media/stagefright/foundation/AMessage.h>
     22 #include <media/stagefright/foundation/AHandler.h>
     23 #include <utils/String8.h>
     24 
     25 namespace android {
     26 
     27 struct HTTPBase;
     28 
     29 struct SDPLoader : public AHandler {
     30     enum Flags {
     31         // Don't log any URLs.
     32         kFlagIncognito = 1,
     33     };
     34     enum {
     35         kWhatSDPLoaded = 'sdpl'
     36     };
     37     SDPLoader(const sp<AMessage> &notify, uint32_t flags = 0, bool uidValid = false, uid_t uid = 0);
     38 
     39     void load(const char* url, const KeyedVector<String8, String8> *headers);
     40 
     41     void cancel();
     42 
     43 protected:
     44     virtual ~SDPLoader() {}
     45 
     46     virtual void onMessageReceived(const sp<AMessage> &msg);
     47 
     48 private:
     49     enum {
     50         kWhatLoad = 'load',
     51     };
     52 
     53     void onLoad(const sp<AMessage> &msg);
     54 
     55     sp<AMessage> mNotify;
     56     const char* mUrl;
     57     uint32_t mFlags;
     58     bool mUIDValid;
     59     uid_t mUID;
     60     sp<ALooper> mNetLooper;
     61     bool mCancelled;
     62 
     63     sp<HTTPBase> mHTTPDataSource;
     64 
     65     DISALLOW_EVIL_CONSTRUCTORS(SDPLoader);
     66 };
     67 
     68 }  // namespace android
     69 
     70 #endif  // SDP_LOADER_H_
     71