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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.graphics.drawable.Drawable;
import android.net.Uri;
import android.os.Bundle;
import android.util.AttributeSet;
import android.view.View;
import android.widget.Button;
import android.widget.LinearLayout;
import android.widget.TextView;
import com.android.mail.R;
import com.android.mail.providers.Folder;
import com.android.mail.providers.UIProvider;
import com.android.mail.ui.ViewMode;
import com.android.mail.utils.Utils;
public final class ConversationListFooterView extends LinearLayout implements View.OnClickListener,
ViewMode.ModeChangeListener {
public interface FooterViewClickListener {
void onFooterViewErrorActionClick(Folder folder, int errorStatus);
void onFooterViewLoadMoreClick(Folder folder);
}
private View mLoading;
private View mNetworkError;
private View mLoadMore;
private Button mErrorActionButton;
private TextView mErrorText;
private Folder mFolder;
private Uri mLoadMoreUri;
private int mErrorStatus;
private FooterViewClickListener mClickListener;
private final boolean mTabletDevice;
// Backgrounds for different states.
private static Drawable sWideBackground;
private static Drawable sNormalBackground;
public ConversationListFooterView(Context context, AttributeSet attrs) {
super(context, attrs);
mTabletDevice = Utils.useTabletUI(context.getResources());
}
@Override
protected void onFinishInflate() {
super.onFinishInflate();
mLoading = findViewById(R.id.loading);
mNetworkError = findViewById(R.id.network_error);
mLoadMore = findViewById(R.id.load_more);
mLoadMore.setOnClickListener(this);
mErrorActionButton = (Button) findViewById(R.id.error_action_button);
mErrorActionButton.setOnClickListener(this);
mErrorText = (TextView)findViewById(R.id.error_text);
}
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.error_action_button) {
mClickListener.onFooterViewErrorActionClick(f, mErrorStatus);
} else if (id == R.id.load_more) {
mClickListener.onFooterViewLoadMoreClick(f);
}
}
public void setFolder(Folder folder) {
mFolder = folder;
mErrorActionButton.setTag(mFolder);
mLoadMore.setTag(mFolder);
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);
mNetworkError.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);
mErrorStatus = extras.containsKey(UIProvider.CursorExtraKeys.EXTRA_ERROR) ?
extras.getInt(UIProvider.CursorExtraKeys.EXTRA_ERROR)
: UIProvider.LastSyncResult.SUCCESS;
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);
mNetworkError.setVisibility(View.GONE);
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 (mErrorStatus != UIProvider.LastSyncResult.SUCCESS) {
// We are in some error state, show the footer with an error message.
mNetworkError.setVisibility(View.VISIBLE);
mErrorText.setText(Utils.getSyncStatusText(getContext(), mErrorStatus));
mLoading.setVisibility(View.GONE);
mLoadMore.setVisibility(View.GONE);
// Only show the "Retry" button for I/O errors; it won't help for
// internal errors.
mErrorActionButton.setVisibility(
mErrorStatus != UIProvider.LastSyncResult.SECURITY_ERROR ?
View.VISIBLE : View.GONE);
final int actionTextResourceId;
switch (mErrorStatus) {
case UIProvider.LastSyncResult.CONNECTION_ERROR:
actionTextResourceId = R.string.retry;
break;
case UIProvider.LastSyncResult.SERVER_ERROR:
actionTextResourceId = R.string.retry;
break;
case UIProvider.LastSyncResult.AUTH_ERROR:
actionTextResourceId = R.string.signin;
break;
case UIProvider.LastSyncResult.SECURITY_ERROR:
actionTextResourceId = R.string.retry;
mNetworkError.setVisibility(View.GONE);
break; // Currently we do nothing for security errors.
case UIProvider.LastSyncResult.STORAGE_ERROR:
actionTextResourceId = R.string.info;
break;
case UIProvider.LastSyncResult.INTERNAL_ERROR:
actionTextResourceId = R.string.report;
break;
default:
actionTextResourceId = R.string.retry;
mNetworkError.setVisibility(View.GONE);
break;
}
mErrorActionButton.setText(actionTextResourceId);
} 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);
mNetworkError.setVisibility(View.GONE);
mLoadMore.setVisibility(View.VISIBLE);
} else {
showFooter = false;
}
return showFooter;
}
/**
* Update to the appropriate background when the view mode changes.
*/
@Override
public void onViewModeChanged(int newMode) {
final Drawable drawable;
if (mTabletDevice && newMode == ViewMode.CONVERSATION_LIST) {
drawable = getWideBackground();
} else {
drawable = getNormalBackground();
}
setBackgroundDrawable(drawable);
}
private Drawable getWideBackground() {
if (sWideBackground == null) {
sWideBackground = getBackground(R.drawable.conversation_wide_unread_selector);
}
return sWideBackground;
}
private Drawable getNormalBackground() {
if (sNormalBackground == null) {
sNormalBackground = getBackground(R.drawable.conversation_item_background_selector);
}
return sNormalBackground;
}
private Drawable getBackground(int resId) {
return getContext().getResources().getDrawable(resId);
}
}
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