Show join messages properly in the threaded conversation

2026-02-14 03:39:05 +01:00 · 2016-10-21 12:36:40 -02:00
parent 349a34ffd8
commit 679b54b2b4
22 changed files with 274 additions and 178 deletions
--- a/briar-android/src/org/briarproject/android/threaded/BaseThreadItemViewHolder.java
+++ b/briar-android/src/org/briarproject/android/threaded/BaseThreadItemViewHolder.java
@@ -0,0 +1,122 @@
+package org.briarproject.android.threaded;
+
+import android.animation.Animator;
+import android.animation.ArgbEvaluator;
+import android.animation.ValueAnimator;
+import android.content.Context;
+import android.graphics.drawable.ColorDrawable;
+import android.support.annotation.CallSuper;
+import android.support.annotation.UiThread;
+import android.support.v4.content.ContextCompat;
+import android.support.v7.widget.RecyclerView;
+import android.view.View;
+import android.view.ViewGroup;
+import android.widget.TextView;
+
+import org.briarproject.R;
+import org.briarproject.android.threaded.ThreadItemAdapter.ThreadItemListener;
+import org.briarproject.android.view.AuthorView;
+import org.briarproject.api.nullsafety.NotNullByDefault;
+import org.briarproject.util.StringUtils;
+
+@UiThread
+@NotNullByDefault
+public class BaseThreadItemViewHolder<I extends ThreadItem>
+		extends RecyclerView.ViewHolder {
+
+	private final static int ANIMATION_DURATION = 5000;
+
+	private final ViewGroup layout;
+	private final TextView textView;
+	private final AuthorView author;
+	private final View topDivider;
+
+	public BaseThreadItemViewHolder(View v) {
+		super(v);
+
+		layout = (ViewGroup) v.findViewById(R.id.layout);
+		textView = (TextView) v.findViewById(R.id.text);
+		author = (AuthorView) v.findViewById(R.id.author);
+		topDivider = v.findViewById(R.id.top_divider);
+	}
+
+	// TODO improve encapsulation, so we don't need to pass the adapter here
+	@CallSuper
+	public void bind(final ThreadItemAdapter<I> adapter,
+			final ThreadItemListener<I> listener, final I item, int pos) {
+
+		textView.setText(StringUtils.trim(item.getText()));
+
+		if (pos == 0) {
+			topDivider.setVisibility(View.INVISIBLE);
+		} else {
+			topDivider.setVisibility(View.VISIBLE);
+		}
+
+		author.setAuthor(item.getAuthor());
+		author.setDate(item.getTimestamp());
+		author.setAuthorStatus(item.getStatus());
+
+		if (item.equals(adapter.getReplyItem())) {
+			layout.setBackgroundColor(ContextCompat
+					.getColor(getContext(), R.color.forum_cell_highlight));
+		} else if (item.equals(adapter.getAddedItem())) {
+			layout.setBackgroundColor(ContextCompat
+					.getColor(getContext(), R.color.forum_cell_highlight));
+			animateFadeOut(adapter, adapter.getAddedItem());
+			adapter.clearAddedItem();
+		} else {
+			layout.setBackgroundColor(ContextCompat
+					.getColor(getContext(), R.color.window_background));
+		}
+	}
+
+	private void animateFadeOut(final ThreadItemAdapter<I> adapter,
+			final I addedItem) {
+
+		setIsRecyclable(false);
+		ValueAnimator anim = new ValueAnimator();
+		adapter.addAnimatingItem(addedItem, anim);
+		ColorDrawable viewColor = (ColorDrawable) layout.getBackground();
+		anim.setIntValues(viewColor.getColor(), ContextCompat
+				.getColor(getContext(), R.color.window_background));
+		anim.setEvaluator(new ArgbEvaluator());
+		anim.addListener(new Animator.AnimatorListener() {
+			@Override
+			public void onAnimationStart(Animator animation) {
+
+			}
+
+			@Override
+			public void onAnimationEnd(Animator animation) {
+				setIsRecyclable(true);
+				adapter.removeAnimatingItem(addedItem);
+			}
+
+			@Override
+			public void onAnimationCancel(Animator animation) {
+				setIsRecyclable(true);
+				adapter.removeAnimatingItem(addedItem);
+			}
+
+			@Override
+			public void onAnimationRepeat(Animator animation) {
+
+			}
+		});
+		anim.addUpdateListener(new ValueAnimator.AnimatorUpdateListener() {
+			@Override
+			public void onAnimationUpdate(ValueAnimator valueAnimator) {
+				layout.setBackgroundColor(
+						(Integer) valueAnimator.getAnimatedValue());
+			}
+		});
+		anim.setDuration(ANIMATION_DURATION);
+		anim.start();
+	}
+
+	protected Context getContext() {
+		return textView.getContext();
+	}
+
+}