1 /*
2  * Copyright (c) 2022-2023 Huawei Device Co., Ltd.
3  * Licensed under the Apache License, Version 2.0 (the "License");
4  * you may not use this file except in compliance with the License.
5  * You may obtain a copy of the License at
6  *
7  *     http://www.apache.org/licenses/LICENSE-2.0
8  *
9  * Unless required by applicable law or agreed to in writing, software
10  * distributed under the License is distributed on an "AS IS" BASIS,
11  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12  * See the License for the specific language governing permissions and
13  * limitations under the License.
14  */
15 
16 #ifndef OHOS_NAPI_AVSESSION_CALLBACK_H
17 #define OHOS_NAPI_AVSESSION_CALLBACK_H
18 
19 #include <list>
20 #include "avsession_info.h"
21 #include "key_event.h"
22 #include "napi/native_api.h"
23 #include "napi/native_node_api.h"
24 #include "napi_async_callback.h"
25 
26 namespace OHOS::AVSession {
27 class NapiAVSessionCallback : public AVSessionCallback {
28 public:
29     enum {
30         EVENT_PLAY,
31         EVENT_PAUSE,
32         EVENT_STOP,
33         EVENT_PLAY_NEXT,
34         EVENT_PLAY_PREVIOUS,
35         EVENT_FAST_FORWARD,
36         EVENT_REWIND,
37         EVENT_SEEK,
38         EVENT_SET_SPEED,
39         EVENT_SET_LOOP_MODE,
40         EVENT_TOGGLE_FAVORITE,
41         EVENT_MEDIA_KEY_EVENT,
42         EVENT_OUTPUT_DEVICE_CHANGE,
43         EVENT_SEND_COMMON_COMMAND,
44         EVENT_SKIP_TO_QUEUE_ITEM,
45         EVENT_AVCALL_ANSWER,
46         EVENT_AVCALL_HANG_UP,
47         EVENT_AVCALL_TOGGLE_CALL_MUTE,
48         EVENT_PLAY_FROM_ASSETID,
49         EVENT_DISPLAY_CHANGE,
50         EVENT_TYPE_MAX
51     };
52 
53     NapiAVSessionCallback();
54     ~NapiAVSessionCallback() override;
55 
56     void OnPlay() override;
57     void OnPause() override;
58     void OnStop() override;
59     void OnPlayNext() override;
60     void OnPlayPrevious() override;
61     void OnFastForward(int64_t time) override;
62     void OnRewind(int64_t time) override;
63     void OnSeek(int64_t time) override;
64     void OnSetSpeed(double speed) override;
65     void OnSetLoopMode(int32_t loopMode) override;
66     void OnToggleFavorite(const std::string& assertId) override;
67     void OnMediaKeyEvent(const MMI::KeyEvent& keyEvent) override;
68     void OnOutputDeviceChange(const int32_t connectionState, const OutputDeviceInfo& outputDeviceInfo) override;
69     void OnCommonCommand(const std::string& commonCommand, const AAFwk::WantParams& commandArgs) override;
70     void OnSkipToQueueItem(int32_t itemId) override;
71     void OnAVCallAnswer() override;
72     void OnAVCallHangUp() override;
73     void OnAVCallToggleCallMute() override;
74     void OnPlayFromAssetId(int64_t assetId) override;
75     void OnCastDisplayChange(const CastDisplayInfo& castDisplayInfo) override;
76 
77     napi_status AddCallback(napi_env env, int32_t event, napi_value callback);
78     napi_status RemoveCallback(napi_env env, int32_t event, napi_value callback);
79 
80     bool IsCallbacksEmpty(int32_t event);
81 
82 private:
83     void HandleEvent(int32_t event);
84 
85     template<typename T>
86     void HandleEvent(int32_t event, const T& param);
87 
88     template<typename T>
89     void HandleEvent(int32_t event, const std::string& firstParam, const T& secondParam);
90 
91     template<typename T>
92     void HandleEvent(int32_t event, const int32_t firstParam, const T& secondParam);
93 
94     std::mutex lock_;
95     std::shared_ptr<NapiAsyncCallback> asyncCallback_;
96     std::list<napi_ref> callbacks_[EVENT_TYPE_MAX] {};
97     std::shared_ptr<bool> isValid_;
98 };
99 } // namespace OHOS::AVSession
100 #endif // OHOS_NAPI_AVSESSION_CALLBACK_H
101