[6.8.0][驾驶位视频流] 优化代码逻辑

core/function-impl/mogo-core-function-devatools/src/main/java/com/zhjt/mogo_core_function_devatools/driver/video/DriveSeatVideoProviderImpl.kt

@@ -8,7 +8,7 @@ import androidx.core.view.doOnAttach
 import androidx.core.view.doOnDetach
 import com.mogo.commons.constants.HostConst
 import com.mogo.eagle.core.data.BaseResponse
-import com.mogo.eagle.core.data.app.AppConfigInfo
+import com.mogo.eagle.core.data.config.FunctionBuildConfig
 import com.mogo.eagle.core.function.api.driver.video.IDriveSeatVideoProvider
 import com.mogo.eagle.core.function.api.driver.video.IDriveSeatVideoProvider.Event
 import com.mogo.eagle.core.function.api.driver.video.IDriveSeatVideoProvider.Event.Failed
@@ -16,6 +16,7 @@ import com.mogo.eagle.core.function.api.driver.video.IDriveSeatVideoProvider.Eve
 import com.mogo.eagle.core.function.api.driver.video.IDriveSeatVideoProvider.Event.Playing
 import com.mogo.eagle.core.function.call.datacenter.CallerDataCenterBizListener
 import com.mogo.eagle.core.network.MoGoRetrofitFactory
+import com.mogo.eagle.core.utilcode.mogo.AppIdentityModeUtils
 import com.mogo.eagle.core.utilcode.util.AppStateManager
 import com.tencent.liteav.basic.log.TXCLog
 import com.tencent.rtmp.ITXLivePlayListener
@@ -26,31 +27,39 @@ import com.tencent.rtmp.ui.TXCloudVideoView
 import com.zhjt.mogo_core_function_devatools.driver.video.vo.VideoUrlData
 import kotlinx.coroutines.CoroutineScope
 import kotlinx.coroutines.Dispatchers
+import kotlinx.coroutines.ExperimentalCoroutinesApi
 import kotlinx.coroutines.Job
 import kotlinx.coroutines.SupervisorJob
+import kotlinx.coroutines.channels.Channel
 import kotlinx.coroutines.delay
+import kotlinx.coroutines.flow.Flow
+import kotlinx.coroutines.flow.channelFlow
 import kotlinx.coroutines.launch
 import retrofit2.http.GET
 import retrofit2.http.Headers
 import retrofit2.http.Query
 import java.lang.ref.WeakReference
+import java.util.concurrent.atomic.AtomicBoolean
+import java.util.concurrent.atomic.AtomicReference
 
-class DriveSeatVideoProviderImpl: IDriveSeatVideoProvider {
+class DriveSeatVideoProviderImpl : IDriveSeatVideoProvider {
 
     companion object {
         private const val TAG = "DriveSeatVideoProvider"
     }
 
-    @Volatile
-    private var target: WeakReference<TXCloudVideoView>? = null
+    @Volatile private var target: WeakReference<TXCloudVideoView>? = null
 
-    @Volatile
-    private var timer: Job? = null
+    @Volatile private var timer: Job? = null
 
     private val scope by lazy { CoroutineScope(Dispatchers.IO + SupervisorJob()) }
 
+    private val chl by lazy { AtomicReference(Channel<Boolean>(Channel.CONFLATED)) }
+
     private var data: VideoUrlData? = null
 
+    private val isPlaying by lazy { AtomicBoolean(false) }
+
     internal interface IVideoLiveUrlApi {
         @Headers("Content-Type:application/json;charset=UTF-8")
         @GET("/eagleEye-mis/camera/monitor/watch/status")
@@ -82,6 +91,7 @@ class DriveSeatVideoProviderImpl: IDriveSeatVideoProvider {
         Log.d(TAG, "getDriveVideoView --> $playUrl")
         x.doOnAttach {
             Log.d(TAG, "onAttachToWindow --> $playUrl")
+            start()
             val player = TXLivePlayer(activity)
             player.setPlayerView(x)
             player.setMute(true)
@@ -100,12 +110,13 @@ class DriveSeatVideoProviderImpl: IDriveSeatVideoProvider {
                         playCallback?.invoke(Loading)
                     } else if (event == TXLiveConstants.PLAY_EVT_PLAY_BEGIN) {
                         Log.d(TAG, "play begin...")
-                        start()
+                        isPlaying.set(true)
                         playCallback?.invoke(Playing)
                     } else {
                         if (event < 0) {
                             Log.d(TAG, "play failed...$event, bundle: $bundle")
                             stop()
+                            isPlaying.set(false)
                             playCallback?.invoke(Failed(bundle?.toString() ?: "播放失败"))
                         }
                     }
@@ -122,6 +133,7 @@ class DriveSeatVideoProviderImpl: IDriveSeatVideoProvider {
                     player.stopPlay(true)
                     stop()
                 } finally {
+                    isPlaying.set(false)
                     target?.clear()
                 }
             }
@@ -135,6 +147,27 @@ class DriveSeatVideoProviderImpl: IDriveSeatVideoProvider {
         return data
     }
 
+
+    @OptIn(ExperimentalCoroutinesApi::class) override fun poller(): Flow<Boolean> = channelFlow {
+        if (AppIdentityModeUtils.isDriver(FunctionBuildConfig.appIdentityMode)) {
+            throw AssertionError("此方法不支持司机屏使用")
+        }
+        val ch = chl.get()?.let {
+            if (it.isClosedForSend || it.isClosedForReceive) {
+                Log.d(TAG, "isClosed -> ${it.isClosedForReceive} -> ${it.isClosedForSend}")
+                val n = Channel<Boolean>(Channel.CONFLATED)
+                chl.set(n)
+                n
+            } else {
+                it
+            }
+        } ?: return@channelFlow
+        val iterator = ch.iterator()
+        while (iterator.hasNext()) {
+            send(iterator.next())
+        }
+    }
+
     private fun start() {
         timer?.cancel()
         scope.launch {
@@ -144,6 +177,9 @@ class DriveSeatVideoProviderImpl: IDriveSeatVideoProvider {
                 val result = requestVideoInfo()
                 if (result != null) {
                     data = result
+                    chl.get()?.trySend(true)
+                } else {
+                    chl.get()?.trySend(false)
                 }
                 Log.d(TAG, "当次请求结束...")
                 delay(5000)
@@ -157,6 +193,13 @@ class DriveSeatVideoProviderImpl: IDriveSeatVideoProvider {
         timer?.cancel()
     }
 
+    override fun isVideoPlaying(): Boolean {
+        if (AppIdentityModeUtils.isDriver(FunctionBuildConfig.appIdentityMode)) {
+            throw AssertionError("此方法不支持司机屏使用")
+        }
+        return isPlaying.get()
+    }
+
     private fun getApi(): IVideoLiveUrlApi? {
         return MoGoRetrofitFactory.getInstanceNoCallAdapter(HostConst.HOST_RELEASE).create(IVideoLiveUrlApi::class.java)
     }