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Commit 6ef26f12 authored by Sudheer Shanka's avatar Sudheer Shanka
Browse files

Add native interface for activity manager service. 

Fix the un/marshalling code at
frameworks/av/media/libmediaplayerservice and move it here.

Bug: 30977067
Test: Verified that transaction works fine.

Change-Id: Ice6bd1c8ebc8116147b0ca3f65a293d013edfc4c
parent 3828399b

include/binder/IActivityManager.h

0 → 100644
+42 −0
Original line number Diff line number Diff line 
/*

 * Copyright (C) 2016 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 ANDROID_IACTIVITY_MANAGER_H

#define ANDROID_IACTIVITY_MANAGER_H



#include <binder/IInterface.h>



namespace android {



// ------------------------------------------------------------------------------------



class IActivityManager : public IInterface

{

public:

    DECLARE_META_INTERFACE(ActivityManager)



    virtual int openContentUri(const String16& /* stringUri */) = 0;



    enum {

        OPEN_CONTENT_URI_TRANSACTION = IBinder::FIRST_CALL_TRANSACTION

    };

};



// ------------------------------------------------------------------------------------



}; // namespace android



#endif // ANDROID_IACTIVITY_MANAGER_H
 
 No newline at end of file

libs/binder/Android.bp

+1 −0
Original line number Diff line number Diff line
@@ -21,6 +21,7 @@ cc_library { 
        "BpBinder.cpp",

        "BufferedTextOutput.cpp",

        "Debug.cpp",

        "IActivityManager.cpp",

        "IAppOpsCallback.cpp",

        "IAppOpsService.cpp",

        "IBatteryStats.cpp",

libs/binder/IActivityManager.cpp

0 → 100644
+61 −0
Original line number Diff line number Diff line 
/*

 * Copyright (C) 2016 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.

 */



#include <binder/IActivityManager.h>



#include <binder/Parcel.h>



namespace android {



// ------------------------------------------------------------------------------------



class BpActivityManager : public BpInterface<IActivityManager>

{

public:

    explicit BpActivityManager(const sp<IBinder>& impl)

        : BpInterface<IActivityManager>(impl)

    {

    }



    virtual int openContentUri(const String16& stringUri)

    {

        Parcel data, reply;

        data.writeString16(stringUri);

        status_t ret = remote()->transact(OPEN_CONTENT_URI_TRANSACTION, data, & reply);

        int fd = -1;

        if (ret == NO_ERROR) {

            int32_t exceptionCode = reply.readExceptionCode();

            if (!exceptionCode) {

                // Success is indicated here by a nonzero int followed by the fd;

                // failure by a zero int with no data following.

                if (reply.readInt32() != 0) {

                    fd = dup(reply.readParcelFileDescriptor());

                }

            } else {

                // An exception was thrown back; fall through to return failure

                ALOGD("openContentUri(%s) caught exception %d\n",

                        String8(stringUri).string(), exceptionCode);

            }

        }

        return fd;

    }

};



// ------------------------------------------------------------------------------------



IMPLEMENT_META_INTERFACE(ActivityManager, "android.app.IActivityManager");



}; // namespace android