kopia lustrzana https://github.com/ryukoposting/Signal-Android
65 wiersze
2.6 KiB
Java
65 wiersze
2.6 KiB
Java
package org.thoughtcrime.securesms.conversation;
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import android.view.LayoutInflater;
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import android.view.View;
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import android.view.ViewGroup;
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import androidx.annotation.NonNull;
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import androidx.recyclerview.widget.RecyclerView;
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import org.thoughtcrime.securesms.R;
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import org.thoughtcrime.securesms.conversation.ConversationAdapter.StickyHeaderViewHolder;
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import org.thoughtcrime.securesms.util.StickyHeaderDecoration;
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class LastSeenHeader extends StickyHeaderDecoration {
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private final ConversationAdapter adapter;
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private final long lastSeenTimestamp;
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private long unreadCount;
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LastSeenHeader(ConversationAdapter adapter, long lastSeenTimestamp) {
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super(adapter, false, false, ConversationAdapter.HEADER_TYPE_LAST_SEEN);
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this.adapter = adapter;
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this.lastSeenTimestamp = lastSeenTimestamp;
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}
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public void setUnreadCount(long unreadCount) {
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this.unreadCount = unreadCount;
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}
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@Override
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protected boolean hasHeader(RecyclerView parent, StickyHeaderAdapter stickyAdapter, int position) {
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if (lastSeenTimestamp <= 0 || unreadCount <= 0) {
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return false;
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}
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long currentRecordTimestamp = adapter.getReceivedTimestamp(position);
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long previousRecordTimestamp = adapter.getReceivedTimestamp(position + 1);
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return currentRecordTimestamp > lastSeenTimestamp && previousRecordTimestamp < lastSeenTimestamp;
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}
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@Override
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protected int getHeaderTop(RecyclerView parent, View child, View header, int adapterPos, int layoutPos) {
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return parent.getLayoutManager().getDecoratedTop(child);
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}
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@Override
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protected @NonNull RecyclerView.ViewHolder getHeader(RecyclerView parent, StickyHeaderAdapter stickyAdapter, int position) {
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StickyHeaderViewHolder viewHolder = new StickyHeaderViewHolder(LayoutInflater.from(parent.getContext()).inflate(R.layout.conversation_item_last_seen, parent, false));
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adapter.onBindLastSeenViewHolder(viewHolder, unreadCount);
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int widthSpec = View.MeasureSpec.makeMeasureSpec(parent.getWidth(), View.MeasureSpec.EXACTLY);
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int heightSpec = View.MeasureSpec.makeMeasureSpec(parent.getHeight(), View.MeasureSpec.UNSPECIFIED);
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int childWidth = ViewGroup.getChildMeasureSpec(widthSpec, parent.getPaddingLeft() + parent.getPaddingRight(), viewHolder.itemView.getLayoutParams().width);
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int childHeight = ViewGroup.getChildMeasureSpec(heightSpec, parent.getPaddingTop() + parent.getPaddingBottom(), viewHolder.itemView.getLayoutParams().height);
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viewHolder.itemView.measure(childWidth, childHeight);
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viewHolder.itemView.layout(0, 0, viewHolder.itemView.getMeasuredWidth(), viewHolder.itemView.getMeasuredHeight());
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return viewHolder;
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}
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}
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