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Merge pull request #278 from Automattic/issue/273-save-frame-service
Introducing Frame Saving process into a Service
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136 changes: 136 additions & 0 deletions
136
app/src/main/java/com/automattic/portkey/compose/frame/FrameSaveService.kt
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,136 @@ | ||
| package com.automattic.portkey.compose.frame | ||
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| import android.app.Service | ||
| import android.content.Context | ||
| import android.content.Intent | ||
| import android.hardware.Camera | ||
| import android.media.MediaScannerConnection | ||
| import android.net.Uri | ||
| import android.os.Binder | ||
| import android.os.Build | ||
| import android.os.IBinder | ||
| import android.util.Log | ||
| import android.webkit.MimeTypeMap | ||
| import com.automattic.photoeditor.PhotoEditor | ||
| import com.automattic.portkey.compose.story.StoryFrameItem | ||
| import kotlinx.coroutines.CoroutineScope | ||
| import kotlinx.coroutines.Dispatchers | ||
| import kotlinx.coroutines.launch | ||
| import java.io.File | ||
| import org.greenrobot.eventbus.EventBus | ||
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| class FrameSaveService : Service() { | ||
| private val binder = FrameSaveServiceBinder() | ||
| private var storyIndex: Int = 0 | ||
| private lateinit var frameSaveManager: FrameSaveManager | ||
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| override fun onCreate() { | ||
| super.onCreate() | ||
| // TODO add logging | ||
| Log.d("FrameSaveService", "onCreate()") | ||
| } | ||
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| override fun onBind(p0: Intent?): IBinder? { | ||
| Log.d("FrameSaveService", "onBind()") | ||
| return binder | ||
| } | ||
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| // we won't really use intents to start the Service but we need it to be a started Service so we can make it | ||
| // a foreground Service as well. Hence, here we override onStartCommand() as well. | ||
| // So basically we're using a bound Service to be able to pass the FrameSaveManager instance to it, which in turn | ||
| // has an instance of PhotoEditor, which is needed to save each frame. | ||
| // And, we're making it a started Service so we can also make it a foreground Service (bound services alone | ||
| // can't be foreground services, and serializing a FrameSaveManager or a PhotoEditor instance seems way too | ||
| // for something that will need to live on the screen anyway, at least for the time being). | ||
| override fun onStartCommand(intent: Intent?, flags: Int, startId: Int): Int { | ||
| Log.d("FrameSaveService", "onStartCommand()") | ||
| // Skip this request if no items to upload were given | ||
| if (intent == null) { // || !intent.hasExtra(KEY_MEDIA_LIST) && !intent.hasExtra(KEY_LOCAL_POST_ID)) { | ||
| // AppLog.e(T.MAIN, "UploadService > Killed and restarted with an empty intent") | ||
| stopSelf() | ||
| } | ||
| return START_NOT_STICKY | ||
| } | ||
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| fun saveStoryFrames(storyIndex: Int, photoEditor: PhotoEditor, frames: List<StoryFrameItem>) { | ||
| this.storyIndex = storyIndex | ||
| this.frameSaveManager = FrameSaveManager(photoEditor) | ||
| CoroutineScope(Dispatchers.Default).launch { | ||
| saveStoryFramesAndDispatchNewFileBroadcast(frameSaveManager, frames) | ||
| stopSelf() | ||
| } | ||
| } | ||
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| private suspend fun saveStoryFramesAndDispatchNewFileBroadcast( | ||
| frameSaveManager: FrameSaveManager, | ||
| frames: List<StoryFrameItem> | ||
| ) { | ||
| val frameFileList = | ||
| frameSaveManager.saveStory( | ||
| this, | ||
| frames | ||
| ) | ||
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| // once all frames have been saved, issue a broadcast so the system knows these frames are ready | ||
| sendNewMediaReadyBroadcast(frameFileList) | ||
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| // TODO collect all the errors somehow before posting the SaveResult for the whole Story | ||
| EventBus.getDefault().post(StorySaveResult(true, storyIndex)) | ||
| } | ||
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| private fun sendNewMediaReadyBroadcast(rawMediaFileList: List<File?>) { | ||
| // Implicit broadcasts will be ignored for devices running API | ||
| // level >= 24, so if you only target 24+ you can remove this statement | ||
| val mediaFileList = rawMediaFileList.filterNotNull() | ||
| if (Build.VERSION.SDK_INT < Build.VERSION_CODES.N) { | ||
| @Suppress("DEPRECATION") | ||
| for (mediaFile in mediaFileList) { | ||
| if (mediaFile.extension == "jpg") { | ||
| sendBroadcast(Intent(Camera.ACTION_NEW_PICTURE, Uri.fromFile(mediaFile))) | ||
| } else { | ||
| sendBroadcast(Intent(Camera.ACTION_NEW_VIDEO, Uri.fromFile(mediaFile))) | ||
| } | ||
| } | ||
| } | ||
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| val arrayOfmimeTypes = arrayOfNulls<String>(mediaFileList.size) | ||
| val arrayOfPaths = arrayOfNulls<String>(mediaFileList.size) | ||
| for ((index, mediaFile) in mediaFileList.withIndex()) { | ||
| arrayOfmimeTypes[index] = MimeTypeMap.getSingleton() | ||
| .getMimeTypeFromExtension(mediaFile.extension) | ||
| arrayOfPaths[index] = mediaFile.absolutePath | ||
| } | ||
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| // If the folder selected is an external media directory, this is unnecessary | ||
| // but otherwise other apps will not be able to access our images unless we | ||
| // scan them using [MediaScannerConnection] | ||
| MediaScannerConnection.scanFile( | ||
| applicationContext, arrayOfPaths, arrayOfmimeTypes, null) | ||
| } | ||
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| override fun onDestroy() { | ||
| Log.d("FrameSaveService", "onDestroy()") | ||
| frameSaveManager.onCancel() | ||
| super.onDestroy() | ||
| } | ||
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| inner class FrameSaveServiceBinder : Binder() { | ||
| fun getService(): FrameSaveService = this@FrameSaveService | ||
| } | ||
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| data class StorySaveResult( | ||
| var success: Boolean, | ||
| var storyIndex: Int, | ||
| var frameSaveResult: List<FrameSaveResult>? = null | ||
| ) | ||
| data class FrameSaveResult(val success: Boolean, val frameIndex: Int) | ||
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| companion object { | ||
| fun startServiceAndGetSaveStoryIntent(context: Context): Intent { | ||
| Log.d("FrameSaveService", "startServiceAndGetSaveStoryIntent()") | ||
| val intent = Intent(context, FrameSaveService::class.java) | ||
| context.startService(intent) | ||
| return intent | ||
| } | ||
| } | ||
| } |