Show error message when loading media fails

app/src/main/kotlin/org/fossify/gallery/activities/VideoPlayerActivity.kt

@@ -309,6 +309,18 @@ open class VideoPlayerActivity : SimpleActivity(), SeekBar.OnSeekBarChangeListen
                 mVideoSize.y = videoSize.height
                 setVideoSize()
             }
+
+            override fun onPlayerErrorChanged(error: PlaybackException?) {
+                binding.errorMessageHolder.errorMessage.apply {
+                    if (error != null) {
+                        text = error.localizedMessage ?: getString(R.string.failed_to_load_media)
+                        setTextColor(if (context.config.blackBackground) Color.WHITE else context.getProperTextColor())
+                        fadeIn()
+                    } else {
+                        beGone()
+                    }
+                }
+            }
         })
     }
 

app/src/main/kotlin/org/fossify/gallery/adapters/DirectoryAdapter.kt

@@ -11,8 +11,10 @@ import android.view.Menu
 import android.view.MotionEvent
 import android.view.View
 import android.view.ViewGroup
+import android.widget.ImageView
 import android.widget.RelativeLayout
 import androidx.annotation.RequiresApi
+import androidx.appcompat.content.res.AppCompatResources
 import androidx.recyclerview.widget.ItemTouchHelper
 import androidx.recyclerview.widget.RecyclerView
 import androidx.swiperefreshlayout.widget.SwipeRefreshLayout
@@ -820,14 +822,18 @@ class DirectoryAdapter(
                 }
 
                 activity.loadImage(
-                    thumbnailType,
+                    type = thumbnailType,
-                    directory.tmb,
+                    path = directory.tmb,
-                    dirThumbnail,
+                    target = dirThumbnail,
-                    scrollHorizontally,
+                    horizontalScroll = scrollHorizontally,
-                    animateGifs,
+                    animateGifs = animateGifs,
-                    cropThumbnails,
+                    cropThumbnails = cropThumbnails,
-                    roundedCorners,
+                    roundCorners = roundedCorners,
-                    directory.getKey()
+                    signature = directory.getKey(),
+                    onError = {
+                        dirThumbnail.scaleType = ImageView.ScaleType.CENTER
+                        dirThumbnail.setImageDrawable(AppCompatResources.getDrawable(activity, R.drawable.ic_vector_warning_colored))
+                    }
                 )
             }
 

app/src/main/kotlin/org/fossify/gallery/adapters/MediaAdapter.kt

@@ -9,7 +9,9 @@ import android.os.Looper
 import android.view.Menu
 import android.view.View
 import android.view.ViewGroup
+import android.widget.ImageView
 import android.widget.Toast
+import androidx.appcompat.content.res.AppCompatResources
 import androidx.core.view.allViews
 import com.bumptech.glide.Glide
 import com.qtalk.recyclerviewfastscroller.RecyclerViewFastScroller
@@ -681,7 +683,19 @@ class MediaAdapter(
 
             if (loadImageInstantly) {
                 activity.loadImage(
-                    medium.type, path, mediumThumbnail, scrollHorizontally, animateGifs, cropThumbnails, roundedCorners, medium.getKey(), rotatedImagePaths
+                    type = medium.type,
+                    path = path,
+                    target = mediumThumbnail,
+                    horizontalScroll = scrollHorizontally,
+                    animateGifs = animateGifs,
+                    cropThumbnails = cropThumbnails,
+                    roundCorners = roundedCorners,
+                    signature = medium.getKey(),
+                    skipMemoryCacheAtPaths = rotatedImagePaths,
+                    onError = {
+                        mediumThumbnail.scaleType = ImageView.ScaleType.CENTER
+                        mediumThumbnail.setImageDrawable(AppCompatResources.getDrawable(activity, R.drawable.ic_vector_warning_colored))
+                    }
                 )
             } else {
                 mediumThumbnail.setImageDrawable(null)
@@ -690,8 +704,19 @@ class MediaAdapter(
                     val isVisible = visibleItemPaths.contains(medium.path)
                     if (isVisible) {
                         activity.loadImage(
-                            medium.type, path, mediumThumbnail, scrollHorizontally, animateGifs, cropThumbnails, roundedCorners,
+                            type = medium.type,
-                            medium.getKey(), rotatedImagePaths
+                            path = path,
+                            target = mediumThumbnail,
+                            horizontalScroll = scrollHorizontally,
+                            animateGifs = animateGifs,
+                            cropThumbnails = cropThumbnails,
+                            roundCorners = roundedCorners,
+                            signature = medium.getKey(),
+                            skipMemoryCacheAtPaths = rotatedImagePaths,
+                            onError = {
+                                mediumThumbnail.scaleType = ImageView.ScaleType.CENTER
+                                mediumThumbnail.setImageDrawable(AppCompatResources.getDrawable(activity, R.drawable.ic_vector_warning_colored))
+                            }
                         )
                     }
                 }, IMAGE_LOAD_DELAY)

app/src/main/kotlin/org/fossify/gallery/extensions/Context.kt

@@ -482,13 +482,29 @@ fun Context.loadImage(
     roundCorners: Int,
     signature: ObjectKey,
     skipMemoryCacheAtPaths: ArrayList<String>? = null,
+    onError: (() -> Unit)? = null
 ) {
     target.isHorizontalScrolling = horizontalScroll
     if (type == TYPE_SVGS) {
-        loadSVG(path, target, cropThumbnails, roundCorners, signature)
+        loadSVG(
+            path = path,
+            target = target,
+            cropThumbnails = cropThumbnails,
+            roundCorners = roundCorners,
+            signature = signature
+        )
     } else {
-        val tryLoadingWithPicasso = type == TYPE_IMAGES && path.isPng()
+        loadImageBase(
-        loadImageBase(path, target, cropThumbnails, roundCorners, signature, skipMemoryCacheAtPaths, animateGifs, tryLoadingWithPicasso)
+            path = path,
+            target = target,
+            cropThumbnails = cropThumbnails,
+            roundCorners = roundCorners,
+            signature = signature,
+            skipMemoryCacheAtPaths = skipMemoryCacheAtPaths,
+            animate = animateGifs,
+            tryLoadingWithPicasso = type == TYPE_IMAGES && path.isPng(),
+            onError = onError
+        )
     }
 }
 
@@ -524,6 +540,7 @@ fun Context.loadImageBase(
     animate: Boolean = false,
     tryLoadingWithPicasso: Boolean = false,
     crossFadeDuration: Int = THUMBNAIL_FADE_DURATION_MS,
+    onError: (() -> Unit)? = null
 ) {
     val options = RequestOptions()
         .signature(signature)
@@ -571,10 +588,14 @@ fun Context.loadImageBase(
         .set(WebpDownsampler.USE_SYSTEM_DECODER, false) // CVE-2023-4863
         .transition(DrawableTransitionOptions.withCrossFade(crossFadeDuration))
 
-    if (tryLoadingWithPicasso) {
     builder = builder.listener(object : RequestListener<Drawable> {
         override fun onLoadFailed(e: GlideException?, model: Any?, targetBitmap: Target<Drawable>, isFirstResource: Boolean): Boolean {
+            if (tryLoadingWithPicasso) {
                 tryLoadingWithPicasso(path, target, cropThumbnails, roundCorners, signature)
+            } else {
+                onError?.invoke()
+            }
+
             return true
         }
 
@@ -584,11 +605,8 @@ fun Context.loadImageBase(
             targetBitmap: Target<Drawable>,
             dataSource: DataSource,
             isFirstResource: Boolean,
-            ): Boolean {
+        ) = false
-                return false
-            }
     })
-    }
 
     builder.into(target)
 }

app/src/main/kotlin/org/fossify/gallery/fragments/PhotoFragment.kt

@@ -518,6 +518,11 @@ class PhotoFragment : ViewPagerFragment() {
                         loadImage()
                         // TODO: Implement panorama using a FOSS library
                         // checkIfPanorama()
+                    } else {
+                        binding.errorMessageHolder.errorMessage.apply {
+                            setTextColor(if (context.config.blackBackground) Color.WHITE else context.getProperTextColor())
+                            fadeIn()
+                        }
                     }
                 }
             })

app/src/main/kotlin/org/fossify/gallery/fragments/VideoFragment.kt

@@ -2,6 +2,7 @@ package org.fossify.gallery.fragments
 
 import android.annotation.SuppressLint
 import android.content.res.Configuration
+import android.graphics.Color
 import android.graphics.Point
 import android.graphics.SurfaceTexture
 import android.net.Uri
@@ -449,6 +450,20 @@ class VideoFragment : ViewPagerFragment(), TextureView.SurfaceTextureListener, S
                 mVideoSize.y = (videoSize.height / videoSize.pixelWidthHeightRatio).toInt()
                 setVideoSize()
             }
+
+            override fun onPlayerErrorChanged(error: PlaybackException?) {
+                binding.errorMessageHolder.errorMessage.apply {
+                    if (error != null) {
+                        binding.videoPlayOutline.beGone()
+                        text = error.localizedMessage ?: getString(R.string.failed_to_load_media)
+                        setTextColor(if (context.config.blackBackground) Color.WHITE else context.getProperTextColor())
+                        fadeIn()
+                    } else {
+                        beGone()
+                        binding.videoPlayOutline.beVisible()
+                    }
+                }
+            }
         })
     }
 

app/src/main/kotlin/org/fossify/gallery/helpers/MyGlideImageDecoder.kt

@@ -23,7 +23,7 @@ class MyGlideImageDecoder(val degrees: Int, val signature: ObjectKey) : ImageDec
             .load(uri.toString().substringAfter("file://"))
             .apply(options)
             .transform(RotateTransformation(-degrees))
-            .into(Target.SIZE_ORIGINAL, Target.SIZE_ORIGINAL)
+            .submit(Target.SIZE_ORIGINAL, Target.SIZE_ORIGINAL)
 
         return builder.get()
     }

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

@@ -0,0 +1,6 @@
+<vector xmlns:android="http://schemas.android.com/apk/res/android" android:width="48dp" android:height="48dp" android:viewportWidth="512" android:viewportHeight="512">
+    <path android:fillColor="#f2a600" android:pathData="M241.06 137.78L130.47 358.96c-4.13 8.55-0.55 18.82 7.98 22.95 2.3 1.11 4.79 1.7 7.34 1.72h221.18c9.49-0.09 17.12-7.85 17.04-17.33a17.23 17.23 0 0 0-1.72-7.34L271.7 137.78a17.16 17.16 0 0 0-30.62 0"/>
+    <path android:fillColor="#ffcc32" android:pathData="M233.41 153.31L129.63 360.45c-3.89 8.02-0.53 17.67 7.49 21.57 2.11 1.02 4.42 1.57 6.76 1.62h207.36a16.06 16.06 0 0 0 15.91-16.21 16.16 16.16 0 0 0-1.66-6.98L261.92 153.31a15.83 15.83 0 0 0-21.12-7.38 15.95 15.95 0 0 0-7.38 7.38"/>
+    <path android:fillColor="#424242" android:pathData="M256.37 192.23c9.78 0 17.65 7.87 17.01 17.01l-7.23 102.08c-0.81 5.4-5.83 9.14-11.23 8.34a9.89 9.89 0 0 1-8.34-8.34l-7.23-102.08c-0.64-9.14 7.23-17.01 17.01-17.01m0 136.11c7.04 0 12.76 5.72 12.76 12.76s-5.72 12.76-12.76 12.76-12.76-5.72-12.76-12.76 5.72-12.76 12.76-12.76" android:strokeAlpha="0.2"/>
+    <path android:fillColor="#fff170" android:pathData="M233.41 168.83c-2.55 3.19-45.51 87.2-45.51 87.2s-3.83 6.38 1.49 10c4.89 3.4 9.36-0.64 11.27-3.83 1.91-3.19 40.83-78.48 42.32-82.09 1.28-3.98 0.38-8.32-2.34-11.48-2.76-2.55-5.53-2.13-7.23 0.21m-54.24 111.24a7.02 7.02 135 1 1 14.04 0 7.02 7.02 0 1 1-14.04 0"/>
+</vector>

app/src/main/res/layout/activity_video_player.xml

@@ -50,6 +50,10 @@
         android:id="@+id/bottom_video_time_holder"
         layout="@layout/bottom_video_time_holder" />
 
+    <include
+        android:id="@+id/error_message_holder"
+        layout="@layout/layout_media_load_error" />
+
     <TextView
         android:id="@+id/slide_info"
         android:layout_width="wrap_content"

app/src/main/res/layout/layout_media_load_error.xml

@@ -0,0 +1,18 @@
+<?xml version="1.0" encoding="utf-8"?>
+<TextView xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:app="http://schemas.android.com/apk/res-auto"
+    xmlns:tools="http://schemas.android.com/tools"
+    android:id="@+id/error_message"
+    android:layout_width="wrap_content"
+    android:layout_height="wrap_content"
+    android:layout_centerInParent="true"
+    android:layout_marginHorizontal="@dimen/bigger_margin"
+    android:layout_toStartOf="@id/instant_next_item"
+    android:layout_toEndOf="@id/instant_prev_item"
+    android:alpha="0"
+    android:text="@string/failed_to_load_media"
+    android:textAlignment="center"
+    android:visibility="gone"
+    app:drawableTopCompat="@drawable/ic_vector_warning_colored"
+    tools:alpha="1"
+    tools:visibility="visible" />

app/src/main/res/layout/pager_photo_item.xml

@@ -32,6 +32,10 @@
         android:layout_height="match_parent"
         android:visibility="gone" />
 
+    <include
+        android:id="@+id/error_message_holder"
+        layout="@layout/layout_media_load_error" />
+
     <ImageView
         android:id="@+id/panorama_outline"
         android:layout_width="@dimen/play_outline_size_big"

app/src/main/res/layout/pager_video_item.xml

@@ -43,6 +43,10 @@
         android:padding="20dp"
         android:src="@drawable/ic_play_outline_vector" />
 
+    <include
+        android:id="@+id/error_message_holder"
+        layout="@layout/layout_media_load_error" />
+
     <ImageView
         android:id="@+id/panorama_outline"
         android:layout_width="@dimen/play_outline_size_big"

app/src/main/res/layout/photo_item_grid.xml

@@ -10,7 +10,8 @@
     <org.fossify.commons.views.MySquareImageView
         android:id="@+id/medium_thumbnail"
         android:layout_width="match_parent"
-        android:layout_height="match_parent" />
+        android:layout_height="match_parent"
+        tools:src="@mipmap/ic_launcher" />
 
     <TextView
         android:id="@+id/file_type"

app/src/main/res/layout/photo_item_list.xml

@@ -16,7 +16,8 @@
     <org.fossify.commons.views.MySquareImageView
         android:id="@+id/medium_thumbnail"
         android:layout_width="@dimen/list_view_folder_thumbnail_size"
-        android:layout_height="@dimen/list_view_folder_thumbnail_size" />
+        android:layout_height="@dimen/list_view_folder_thumbnail_size"
+        tools:src="@mipmap/ic_launcher" />
 
     <ImageView
         android:id="@+id/favorite"

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

@@ -34,6 +34,7 @@
     <string name="reorder_by_dragging_pro">Reorder folders by dragging (Pro)</string>
     <string name="restore_to_path">Restoring to \'%s\'</string>
     <string name="full_storage_permission_required">Fossify Gallery needs full access to display all your photos and videos. Go to Settings > Permissions > Photos and videos > Allow all.</string>
+    <string name="failed_to_load_media">Failed to load media.</string>
 
     <!-- Filter -->
     <string name="filter_media">Filter media</string>