fix thumbnail click handling when batch selecting

Closes #4118
// FREEBIE

src/org/thoughtcrime/securesms/components/ThumbnailView.java

@@ -67,6 +67,7 @@ public class ThumbnailView extends FrameLayout {
     inflate(context, R.layout.thumbnail_view, this);
     radius = getResources().getDimensionPixelSize(R.dimen.message_bubble_corner_radius);
     image  = (ImageView) findViewById(R.id.thumbnail_image);
+    setOnClickListener(new ThumbnailClickDispatcher());
 
     if (attrs != null) {
       TypedArray typedArray = context.getTheme().obtainStyledAttributes(attrs, R.styleable.ThumbnailView, 0, 0);
@@ -75,6 +76,12 @@ public class ThumbnailView extends FrameLayout {
     }
   }
 
+  @Override public void setClickable(boolean clickable) {
+    super.setClickable(clickable);
+    image.setClickable(clickable);
+    transferControls.setClickable(clickable);
+  }
+
   @Override protected void onLayout(boolean changed, int left, int top, int right, int bottom) {
     super.onLayout(changed, left, top, right, bottom);
     if (removeButton != null) {
@@ -138,12 +145,6 @@ public class ThumbnailView extends FrameLayout {
     this.slide = slide;
     loadInto(slide, masterSecret, image);
 
-    if (this.slide.getTransferProgress() == PartDatabase.TRANSFER_PROGRESS_DONE) {
-      setOnClickListener(new ThumbnailClickDispatcher());
-    } else {
-      setOnClickListener(null);
-    }
-
     if (!hideControls) {
       getTransferControls().setSlide(slide);
       getTransferControls().setDownloadClickListener(new DownloadClickDispatcher());
@@ -291,7 +292,8 @@ public class ThumbnailView extends FrameLayout {
     public void onClick(View view) {
       if (thumbnailClickListener       != null &&
           slide                        != null &&
-          slide.getPart().getDataUri() != null)
+          slide.getPart().getDataUri() != null &&
+          slide.getTransferProgress()  == PartDatabase.TRANSFER_PROGRESS_DONE)
       {
         thumbnailClickListener.onClick(view, slide);
       }