Add support for uploading audio attachments (#1630)

* Add support for audio attachments.
Partially addresses #1337

* Register Tusky as a target for audio sharing

* Use icon with textColorTertiary for audio preview

app/src/main/AndroidManifest.xml

@@ -89,6 +89,13 @@
 
                 <data android:mimeType="video/*" />
             </intent-filter>
+            <intent-filter>
+                <action android:name="android.intent.action.SEND" />
+
+                <category android:name="android.intent.category.DEFAULT" />
+
+                <data android:mimeType="audio/*" />
+            </intent-filter>
 
             <meta-data
                 android:name="android.service.chooser.chooser_target_service"

app/src/main/java/com/keylesspalace/tusky/components/compose/ComposeActivity.kt

@@ -176,7 +176,7 @@ class ComposeActivity : BaseActivity(),
              * instance state will be re-queued. */
             val type = intent.type
             if (type != null) {
-                if (type.startsWith("image/") || type.startsWith("video/")) {
+                if (type.startsWith("image/") || type.startsWith("video/") || type.startsWith("audio/")) {
                     val uriList = ArrayList<Uri>()
                     if (intent.action != null) {
                         when (intent.action) {
@@ -323,7 +323,7 @@ class ComposeActivity : BaseActivity(),
             combineOptionalLiveData(viewModel.media, viewModel.poll) { media, poll ->
                 val active = poll == null
                         && media!!.size != 4
-                        && media.firstOrNull()?.type != QueuedMedia.Type.VIDEO
+                        && (media.isEmpty() || media.first().type == QueuedMedia.Type.IMAGE)
                 enableButton(composeAddMediaButton, active, active)
                 enablePollButton(media.isNullOrEmpty())
             }.subscribe()
@@ -813,7 +813,7 @@ class ComposeActivity : BaseActivity(),
         val intent = Intent(Intent.ACTION_GET_CONTENT)
         intent.addCategory(Intent.CATEGORY_OPENABLE)
 
-        val mimeTypes = arrayOf("image/*", "video/*")
+        val mimeTypes = arrayOf("image/*", "video/*", "audio/*")
         intent.type = "*/*"
         intent.putExtra(Intent.EXTRA_MIME_TYPES, mimeTypes)
         startActivityForResult(intent, MEDIA_PICK_RESULT)
@@ -856,6 +856,9 @@ class ComposeActivity : BaseActivity(),
                         is VideoSizeException -> {
                             R.string.error_video_upload_size
                         }
+                        is AudioSizeException -> {
+                            R.string.error_audio_upload_size
+                        }
                         is VideoOrImageException -> {
                             R.string.error_media_upload_image_or_video
                         }
@@ -980,7 +983,7 @@ class ComposeActivity : BaseActivity(),
             val description: String? = null
     ) {
         enum class Type {
-            IMAGE, VIDEO;
+            IMAGE, VIDEO, AUDIO;
         }
     }
 
@@ -1036,7 +1039,7 @@ class ComposeActivity : BaseActivity(),
 
         @JvmStatic
         fun canHandleMimeType(mimeType: String?): Boolean {
-            return mimeType != null && (mimeType.startsWith("image/") || mimeType.startsWith("video/") || mimeType == "text/plain")
+            return mimeType != null && (mimeType.startsWith("image/") || mimeType.startsWith("video/") || mimeType.startsWith("audio/") || mimeType == "text/plain")
         }
     }
 }

app/src/main/java/com/keylesspalace/tusky/components/compose/ComposeViewModel.kt

@@ -127,7 +127,7 @@ class ComposeViewModel
         mediaUploader.prepareMedia(uri)
                 .map { (type, uri, size) ->
                     val mediaItems = media.value!!
-                    if (type == QueuedMedia.Type.VIDEO
+                    if (type != QueuedMedia.Type.IMAGE
                             && mediaItems.isNotEmpty()
                             && mediaItems[0].type == QueuedMedia.Type.IMAGE) {
                         throw VideoOrImageException()
@@ -388,6 +388,7 @@ class ComposeViewModel
             val mediaType = when (a.type) {
                 Attachment.Type.VIDEO, Attachment.Type.GIFV -> QueuedMedia.Type.VIDEO
                 Attachment.Type.UNKNOWN, Attachment.Type.IMAGE -> QueuedMedia.Type.IMAGE
+                Attachment.Type.AUDIO -> QueuedMedia.Type.AUDIO
                 else -> QueuedMedia.Type.IMAGE
             }
             addUploadedMedia(a.id, mediaType, a.url.toUri(), a.description)

app/src/main/java/com/keylesspalace/tusky/components/compose/MediaPreviewAdapter.kt

@@ -69,11 +69,16 @@ class MediaPreviewAdapter(
         val item = differ.currentList[position]
         holder.progressImageView.setChecked(!item.description.isNullOrEmpty())
         holder.progressImageView.setProgress(item.uploadPercent)
-        Glide.with(holder.itemView.context)
-                .load(item.uri)
-                .diskCacheStrategy(DiskCacheStrategy.NONE)
-                .dontAnimate()
-                .into(holder.progressImageView)
+        if (item.type == ComposeActivity.QueuedMedia.Type.AUDIO) {
+            // TODO: Fancy waveform display?
+            holder.progressImageView.setImageResource(R.drawable.ic_music_box_preview_24dp)
+        } else {
+            Glide.with(holder.itemView.context)
+                    .load(item.uri)
+                    .diskCacheStrategy(DiskCacheStrategy.NONE)
+                    .dontAnimate()
+                    .into(holder.progressImageView)
+        }
     }
 
     private val differ = AsyncListDiffer(this, object : DiffUtil.ItemCallback<ComposeActivity.QueuedMedia>() {

app/src/main/java/com/keylesspalace/tusky/components/compose/MediaUploader.kt

@@ -63,6 +63,7 @@ interface MediaUploader {
     fun uploadMedia(media: QueuedMedia): Observable<UploadEvent>
 }
 
+class AudioSizeException : Exception()
 class VideoSizeException : Exception()
 class MediaTypeException : Exception()
 class CouldNotOpenFileException : Exception()
@@ -128,6 +129,12 @@ class MediaUploaderImpl(
                     "image" -> {
                         PreparedMedia(QueuedMedia.Type.IMAGE, uri, mediaSize)
                     }
+                    "audio" -> {
+                        if (mediaSize > STATUS_AUDIO_SIZE_LIMIT) {
+                            throw AudioSizeException()
+                        }
+                        PreparedMedia(QueuedMedia.Type.AUDIO, uri, mediaSize)
+                    }
                     else -> {
                         throw MediaTypeException()
                     }
@@ -196,6 +203,7 @@ class MediaUploaderImpl(
     private companion object {
         private const val TAG = "MediaUploaderImpl"
         private const val STATUS_VIDEO_SIZE_LIMIT = 41943040 // 40MiB
+        private const val STATUS_AUDIO_SIZE_LIMIT = 41943040 // 40MiB
         private const val STATUS_IMAGE_SIZE_LIMIT = 8388608 // 8MiB
         private const val STATUS_IMAGE_PIXEL_SIZE_LIMIT = 16777216 // 4096^2 Pixels
 

app/src/main/res/drawable/ic_music_box_preview_24dp.xml

@@ -0,0 +1,8 @@
+<?xml version="1.0" encoding="utf-8"?>
+<vector xmlns:android="http://schemas.android.com/apk/res/android"
+    android:height="24dp"
+    android:width="24dp"
+    android:viewportWidth="24"
+    android:viewportHeight="24">
+    <path android:fillColor="?android:textColorTertiary" android:pathData="M16,9H13V14.5A2.5,2.5 0 0,1 10.5,17A2.5,2.5 0 0,1 8,14.5A2.5,2.5 0 0,1 10.5,12C11.07,12 11.58,12.19 12,12.5V7H16M19,3H5A2,2 0 0,0 3,5V19A2,2 0 0,0 5,21H19A2,2 0 0,0 21,19V5A2,2 0 0,0 19,3Z" />
+</vector>

app/src/main/res/values/strings.xml

@@ -12,6 +12,7 @@
     <string name="error_compose_character_limit">The status is too long!</string>
     <string name="error_image_upload_size">The file must be less than 8MB.</string>
     <string name="error_video_upload_size">Video files must be less than 40MB.</string>
+    <string name="error_audio_upload_size">Audio files must be less than 40MB.</string>
     <string name="error_media_upload_type">That type of file cannot be uploaded.</string>
     <string name="error_media_upload_opening">That file could not be opened.</string>
     <string name="error_media_upload_permission">Permission to read media is required.</string>