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/*
* Copyright (C) 2012 Google Inc.
* Licensed to The Android Open Source Project.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package com.android.mail.browse;
import android.content.Context;
import android.net.Uri;
import android.os.Bundle;
import android.util.AttributeSet;
import android.view.View;
import android.widget.LinearLayout;
import com.android.mail.R;
import com.android.mail.providers.Folder;
import com.android.mail.providers.UIProvider;
public final class ConversationListFooterView extends LinearLayout implements View.OnClickListener {
public interface FooterViewClickListener {
void onFooterViewLoadMoreClick(Folder folder);
}
private View mLoading;
private View mLoadMore;
private Uri mLoadMoreUri;
private FooterViewClickListener mClickListener;
public ConversationListFooterView(Context context, AttributeSet attrs) {
super(context, attrs);
}
@Override
protected void onFinishInflate() {
super.onFinishInflate();
mLoading = findViewById(R.id.loading);
mLoadMore = findViewById(R.id.load_more);
mLoadMore.setOnClickListener(this);
}
public void setClickListener(FooterViewClickListener listener) {
mClickListener = listener;
}
@Override
public void onClick(View v) {
final int id = v.getId();
final Folder f = (Folder) v.getTag();
if (id == R.id.load_more) {
mClickListener.onFooterViewLoadMoreClick(f);
}
}
public void setFolder(Folder folder) {
mLoadMore.setTag(folder);
mLoadMoreUri = folder.loadMoreUri;
}
/**
* Update the view to reflect the new folder status.
*/
public boolean updateStatus(final ConversationCursor cursor) {
if (cursor == null) {
mLoading.setVisibility(View.GONE);
mLoadMore.setVisibility(View.GONE);
return false;
}
boolean showFooter = true;
final Bundle extras = cursor.getExtras();
final int cursorStatus = extras.getInt(UIProvider.CursorExtraKeys.EXTRA_STATUS);
final int totalCount = extras.getInt(UIProvider.CursorExtraKeys.EXTRA_TOTAL_COUNT);
if (UIProvider.CursorStatus.isWaitingForResults(cursorStatus)) {
if (cursor.getCount() != 0) {
// When loading more, show the spinner in the footer.
mLoading.setVisibility(View.VISIBLE);
mLoadMore.setVisibility(View.GONE);
} else {
// We're currently loading, but we have no messages at all. We don't need to show
// the footer, because we should be displaying the loading state on the
// conversation list itself.
showFooter = false;
}
} else if (mLoadMoreUri != null && cursor.getCount() < totalCount) {
// We know that there are more messages on the server than we have locally, so we
// need to show the footer with the "load more" button.
mLoading.setVisibility(View.GONE);
mLoadMore.setVisibility(View.VISIBLE);
} else {
showFooter = false;
}
return showFooter;
}
}
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