IRemoteDisplayClient.h revision c92bed3a73c06e90217f8f199ca0b517aa7595d2
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 ANDROID_IREMOTEDISPLAYCLIENT_H
18#define ANDROID_IREMOTEDISPLAYCLIENT_H
19
20#include <stdint.h>
21#include <sys/types.h>
22
23#include <utils/RefBase.h>
24#include <binder/IInterface.h>
25#include <binder/Parcel.h>
26
27namespace android {
28
29class ISurfaceTexture;
30
31class IRemoteDisplayClient : public IInterface
32{
33public:
34    DECLARE_META_INTERFACE(RemoteDisplayClient);
35
36    enum {
37        // Flag: The remote display is using a secure transport protocol such as HDCP.
38        kDisplayFlagSecure = 1 << 0,
39    };
40
41    enum {
42        // Error: An unknown / generic error occurred.
43        kDisplayErrorUnknown = 1,
44        // Error: The connection was dropped unexpectedly.
45        kDisplayErrorConnectionDropped = 2,
46    };
47
48    // Indicates that the remote display has been connected successfully.
49    // Provides a surface texture that the client should use to stream buffers to
50    // the remote display.
51    virtual void onDisplayConnected(const sp<ISurfaceTexture>& surfaceTexture,
52            uint32_t width, uint32_t height, uint32_t flags) = 0; // one-way
53
54    // Indicates that the remote display has been disconnected normally.
55    // This method should only be called once the client has called 'dispose()'
56    // on the IRemoteDisplay.
57    // It is currently an error for the display to disconnect for any other reason.
58    virtual void onDisplayDisconnected() = 0; // one-way
59
60    // Indicates that a connection could not be established to the remote display
61    // or an unrecoverable error occurred and the connection was severed.
62    virtual void onDisplayError(int32_t error) = 0; // one-way
63};
64
65
66// ----------------------------------------------------------------------------
67
68class BnRemoteDisplayClient : public BnInterface<IRemoteDisplayClient>
69{
70public:
71    virtual status_t    onTransact( uint32_t code,
72                                    const Parcel& data,
73                                    Parcel* reply,
74                                    uint32_t flags = 0);
75};
76
77}; // namespace android
78
79#endif // ANDROID_IREMOTEDISPLAYCLIENT_H
80