Make image transitions work in replies popups

Clover/app/src/main/java/org/floens/chan/ui/controller/ImageViewerController.java

@@ -310,6 +310,9 @@ public class ImageViewerController extends Controller implements View.OnClickLis
 
         endAnimation = new AnimatorSet();
         if (!setTransitionViewData(startImage) || bitmap == null) {
+            if (bitmap != null) {
+                previewImage.setBitmap(bitmap);
+            }
             ValueAnimator backgroundAlpha = ValueAnimator.ofFloat(1f, 0f);
             backgroundAlpha.addUpdateListener(new ValueAnimator.AnimatorUpdateListener() {
                 @Override

Clover/app/src/main/java/org/floens/chan/ui/controller/PostRepliesController.java

@@ -17,11 +17,13 @@ import android.widget.TextView;
 import org.floens.chan.R;
 import org.floens.chan.controller.Controller;
 import org.floens.chan.core.model.Post;
+import org.floens.chan.core.model.PostImage;
 import org.floens.chan.core.presenter.ThreadPresenter;
 import org.floens.chan.core.settings.ChanSettings;
 import org.floens.chan.ui.helper.PostPopupHelper;
 import org.floens.chan.ui.view.LoadView;
 import org.floens.chan.ui.view.PostView;
+import org.floens.chan.ui.view.ThumbnailView;
 import org.floens.chan.utils.ThemeHelper;
 
 public class PostRepliesController extends Controller {
@@ -34,6 +36,7 @@ public class PostRepliesController extends Controller {
     private boolean first = true;
 
     private LoadView loadView;
+    private ListView listView;
 
     public PostRepliesController(Context context, PostPopupHelper postPopupHelper, ThreadPresenter presenter) {
         super(context);
@@ -75,6 +78,26 @@ public class PostRepliesController extends Controller {
         }
     }
 
+    public ThumbnailView getThumbnail(PostImage postImage) {
+        if (listView == null) {
+            return null;
+        } else {
+            ThumbnailView thumbnail = null;
+            for (int i = 0; i < listView.getChildCount(); i++) {
+                View view = listView.getChildAt(i);
+                if (view instanceof PostView) {
+                    PostView postView = (PostView) view;
+                    Post post = postView.getPost();
+                    if (post.hasImage && post.imageUrl.equals(postImage.imageUrl)) {
+                        thumbnail = postView.getThumbnail();
+                        break;
+                    }
+                }
+            }
+            return thumbnail;
+        }
+    }
+
     public void setPostRepliesData(PostPopupHelper.RepliesData data) {
         displayData(data);
     }
@@ -87,7 +110,7 @@ public class PostRepliesController extends Controller {
             dataView = inflateRes(R.layout.post_replies);
         }
 
-        ListView listView = (ListView) dataView.findViewById(R.id.post_list);
+        listView = (ListView) dataView.findViewById(R.id.post_list);
 
         View repliesBack = dataView.findViewById(R.id.replies_back);
         repliesBack.setOnClickListener(new View.OnClickListener() {

Clover/app/src/main/java/org/floens/chan/ui/helper/PostPopupHelper.java

@@ -21,8 +21,10 @@ import android.content.Context;
 
 import org.floens.chan.controller.Controller;
 import org.floens.chan.core.model.Post;
+import org.floens.chan.core.model.PostImage;
 import org.floens.chan.core.presenter.ThreadPresenter;
 import org.floens.chan.ui.controller.PostRepliesController;
+import org.floens.chan.ui.view.ThumbnailView;
 
 import java.util.ArrayList;
 import java.util.List;
@@ -69,6 +71,14 @@ public class PostPopupHelper {
         dismiss();
     }
 
+    public boolean isOpen() {
+        return presentingController != null && presentingController.alive;
+    }
+
+    public ThumbnailView getThumbnail(PostImage postImage) {
+        return presentingController.getThumbnail(postImage);
+    }
+
     public void postClicked(Post p) {
         popAll();
         presenter.highlightPost(p.no);

Clover/app/src/main/java/org/floens/chan/ui/layout/ThreadLayout.java

@@ -176,7 +176,11 @@ public class ThreadLayout extends LoadView implements ThreadPresenter.ThreadPres
     }
 
     public ThumbnailView getThumbnail(PostImage postImage) {
-        return threadListLayout.getThumbnail(postImage);
+        if (postPopupHelper.isOpen()) {
+            return postPopupHelper.getThumbnail(postImage);
+        } else {
+            return threadListLayout.getThumbnail(postImage);
+        }
     }
 
     private void switchVisible(boolean visible) {

Clover/app/src/main/java/org/floens/chan/ui/view/TransitionImageView.java

@@ -43,6 +43,30 @@ public class TransitionImageView extends View {
         init();
     }
 
+    public void setBitmap(Bitmap bitmap) {
+        this.bitmap = bitmap;
+        bitmapRect.set(0, 0, bitmap.getWidth(), bitmap.getHeight());
+
+        // Center inside method
+        float selfWidth = getWidth();
+        float selfHeight = getHeight();
+
+        float destScale = Math.min(
+                selfWidth / (float) bitmap.getWidth(),
+                selfHeight / (float) bitmap.getHeight());
+
+        RectF output = new RectF(
+                (selfWidth - bitmap.getWidth() * destScale) * 0.5f,
+                (selfHeight - bitmap.getHeight() * destScale) * 0.5f, 0, 0);
+
+        output.right = bitmap.getWidth() * destScale + output.left;
+        output.bottom = bitmap.getHeight() * destScale + output.top;
+
+        destRect.set(output);
+
+        matrix.setRectToRect(bitmapRect, destRect, Matrix.ScaleToFit.FILL);
+    }
+
     public void setSourceImageView(Point windowLocation, Point viewSize, Bitmap bitmap) {
         this.bitmap = bitmap;
         bitmapRect.set(0, 0, bitmap.getWidth(), bitmap.getHeight());