Fix #705 and improve handling of unknown attachment dimensions

mastodon/build.gradle

@@ -9,8 +9,8 @@ android {
 		applicationId "org.joinmastodon.android"
 		minSdk 23
 		targetSdk 33
-		versionCode 71
-		versionName "2.1.5"
+		versionCode 72
+		versionName "2.1.6"
 		testInstrumentationRunner "androidx.test.runner.AndroidJUnitRunner"
 		resConfigs "ar-rSA", "be-rBY", "bn-rBD", "bs-rBA", "ca-rES", "cs-rCZ", "da-rDK", "de-rDE", "el-rGR", "es-rES", "eu-rES", "fa-rIR", "fi-rFI", "fil-rPH", "fr-rFR", "ga-rIE", "gd-rGB", "gl-rES", "hi-rIN", "hr-rHR", "hu-rHU", "hy-rAM", "ig-rNG", "in-rID", "is-rIS", "it-rIT", "iw-rIL", "ja-rJP", "kab", "ko-rKR", "my-rMM", "nl-rNL", "no-rNO", "oc-rFR", "pl-rPL", "pt-rBR", "pt-rPT", "ro-rRO", "ru-rRU", "si-rLK", "sl-rSI", "sv-rSE", "th-rTH", "tr-rTR", "uk-rUA", "ur-rIN", "vi-rVN", "zh-rCN", "zh-rTW"
 	}

mastodon/src/main/java/org/joinmastodon/android/model/Attachment.java

@@ -45,26 +45,34 @@ public class Attachment extends BaseModel{
 
 	public int getWidth(){
 		if(meta==null)
-			return 0;
+			return 1920;
 		if(meta.width>0)
 			return meta.width;
 		if(meta.original!=null && meta.original.width>0)
 			return meta.original.width;
 		if(meta.small!=null && meta.small.width>0)
 			return meta.small.width;
-		return 0;
+		return 1920;
 	}
 
 	public int getHeight(){
 		if(meta==null)
-			return 0;
+			return 1080;
 		if(meta.height>0)
 			return meta.height;
 		if(meta.original!=null && meta.original.height>0)
 			return meta.original.height;
 		if(meta.small!=null && meta.small.height>0)
 			return meta.small.height;
-		return 0;
+		return 1080;
+	}
+
+	public boolean hasKnownDimensions(){
+		return meta!=null && (
+				(meta.height>0 && meta.width>0)
+				|| (meta.original!=null && meta.original.height>0 && meta.original.width>0)
+				|| (meta.small!=null && meta.small.height>0 && meta.small.width>0)
+				);
 	}
 
 	public double getDuration(){

mastodon/src/main/java/org/joinmastodon/android/ui/drawables/BlurhashCrossfadeDrawable.java

@@ -66,6 +66,10 @@ public class BlurhashCrossfadeDrawable extends Drawable{
 
 	public void setImageDrawable(Drawable imageDrawable){
 		this.imageDrawable=imageDrawable;
+		if(imageDrawable!=null){
+			width=imageDrawable.getIntrinsicWidth();
+			height=imageDrawable.getIntrinsicHeight();
+		}
 		invalidateSelf();
 	}
 

mastodon/src/main/java/org/joinmastodon/android/ui/photoviewer/PhotoViewer.java

@@ -716,9 +716,18 @@ public class PhotoViewer implements ZoomPanView.Listener{
 		public void onBind(Attachment item){
 			super.onBind(item);
 			FrameLayout.LayoutParams params=(FrameLayout.LayoutParams) imageView.getLayoutParams();
-			params.width=item.getWidth();
-			params.height=item.getHeight();
-			ViewImageLoader.load(this, listener.getPhotoViewCurrentDrawable(getAbsoluteAdapterPosition()), new UrlImageLoaderRequest(item.url), false);
+			Drawable currentDrawable=listener.getPhotoViewCurrentDrawable(getAbsoluteAdapterPosition());
+			if(item.hasKnownDimensions()){
+				params.width=item.getWidth();
+				params.height=item.getHeight();
+			}else if(currentDrawable!=null){
+				params.width=currentDrawable.getIntrinsicWidth();
+				params.height=currentDrawable.getIntrinsicHeight();
+			}else{
+				params.width=1920;
+				params.height=1080;
+			}
+			ViewImageLoader.load(this, currentDrawable, new UrlImageLoaderRequest(item.url), false);
 		}
 
 		@Override
@@ -760,9 +769,18 @@ public class PhotoViewer implements ZoomPanView.Listener{
 			super.onBind(item);
 			playerReady=false;
 			FrameLayout.LayoutParams params=(FrameLayout.LayoutParams) wrap.getLayoutParams();
-			params.width=item.getWidth();
-			params.height=item.getHeight();
-			wrap.setBackground(listener.getPhotoViewCurrentDrawable(getAbsoluteAdapterPosition()));
+			Drawable currentDrawable=listener.getPhotoViewCurrentDrawable(getAbsoluteAdapterPosition());
+			if(item.hasKnownDimensions()){
+				params.width=item.getWidth();
+				params.height=item.getHeight();
+			}else if(currentDrawable!=null){
+				params.width=currentDrawable.getIntrinsicWidth();
+				params.height=currentDrawable.getIntrinsicHeight();
+			}else{
+				params.width=1920;
+				params.height=1080;
+			}
+			wrap.setBackground(currentDrawable);
 			progressBar.setVisibility(item.type==Attachment.Type.VIDEO ? View.VISIBLE : View.GONE);
 			if(itemView.isAttachedToWindow()){
 				reset();
@@ -845,6 +863,8 @@ public class PhotoViewer implements ZoomPanView.Listener{
 				player.prepareAsync();
 			}catch(IOException x){
 				Log.w(TAG, "Error initializing gif player", x);
+				Toast.makeText(activity, R.string.error_playing_video, Toast.LENGTH_SHORT).show();
+				onStartSwipeToDismissTransition(0f);
 			}
 		}
 

mastodon/src/main/java/org/joinmastodon/android/ui/photoviewer/ZoomPanView.java

@@ -193,9 +193,6 @@ public class ZoomPanView extends FrameLayout implements ScaleGestureDetector.OnS
 
 	private float prepareTransitionCropRect(Rect rect){
 		float initialScale;
-		if(rect.isEmpty()){
-			rect.set(rect.centerX()-child.getWidth()/2, rect.centerY()-child.getHeight()/2, rect.centerX()+child.getWidth()/2, rect.centerY()+child.getWidth()/2);
-		}
 		float scaleW=rect.width()/(float)child.getWidth();
 		float scaleH=rect.height()/(float)child.getHeight();
 		if(scaleW>scaleH){

mastodon/src/main/java/org/joinmastodon/android/ui/utils/MediaAttachmentViewController.java

@@ -27,6 +27,7 @@ public class MediaAttachmentViewController{
 	private final Context context;
 	private boolean didClear;
 	private Status status;
+	private Attachment attachment;
 
 	public MediaAttachmentViewController(Context context, MediaGridStatusDisplayItem.GridItemType type){
 		view=context.getSystemService(LayoutInflater.class).inflate(switch(type){
@@ -50,6 +51,7 @@ public class MediaAttachmentViewController{
 
 	public void bind(Attachment attachment, Status status){
 		this.status=status;
+		this.attachment=attachment;
 		crossfadeDrawable.setSize(attachment.getWidth(), attachment.getHeight());
 		crossfadeDrawable.setBlurhashDrawable(attachment.blurhashPlaceholder);
 		crossfadeDrawable.setCrossfadeAlpha(0f);
@@ -69,6 +71,11 @@ public class MediaAttachmentViewController{
 		crossfadeDrawable.setImageDrawable(drawable);
 		if(didClear)
 			 crossfadeDrawable.animateAlpha(0f);
+		// Make sure the image is not stretched if the server returned wrong dimensions
+		if(drawable!=null && (drawable.getIntrinsicWidth()!=attachment.getWidth() || drawable.getIntrinsicHeight()!=attachment.getHeight())){
+			photo.setImageDrawable(null);
+			photo.setImageDrawable(crossfadeDrawable);
+		}
 	}
 
 	public void clearImage(){

mastodon/src/main/java/org/joinmastodon/android/ui/views/MediaGridLayout.java

@@ -2,14 +2,11 @@ package org.joinmastodon.android.ui.views;
 
 import android.content.Context;
 import android.util.AttributeSet;
-import android.util.Log;
 import android.view.View;
 import android.view.ViewGroup;
 
 import org.joinmastodon.android.ui.PhotoLayoutHelper;
 
-import java.util.Arrays;
-
 import me.grishka.appkit.utils.V;
 
 public class MediaGridLayout extends ViewGroup{