/*
* Copyright (C) 2010 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.calendar.selectcalendars;
import com.android.calendar.R;
import com.android.calendar.Utils;
import android.content.Context;
import android.content.res.Configuration;
import android.content.res.Resources;
import android.database.Cursor;
import android.graphics.drawable.Drawable;
import android.provider.CalendarContract.Calendars;
import android.text.TextUtils;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.view.ViewGroup.LayoutParams;
import android.widget.BaseAdapter;
import android.widget.CheckBox;
import android.widget.ListAdapter;
import android.widget.RelativeLayout;
import android.widget.TextView;
public class SelectCalendarsSimpleAdapter extends BaseAdapter implements ListAdapter {
private static final String TAG = "SelectCalendarsAdapter";
private static int SELECTED_COLOR_CHIP_SIZE = 16;
private static int UNSELECTED_COLOR_CHIP_SIZE = 10;
private static int COLOR_CHIP_LEFT_MARGIN = 20;
private static int COLOR_CHIP_RIGHT_MARGIN = 8;
private static int COLOR_CHIP_TOP_OFFSET = 5;
private static int BOTTOM_ITEM_HEIGHT = 64;
private static int NORMAL_ITEM_HEIGHT = 48;
private static final int IS_SELECTED = 1 << 0;
private static final int IS_TOP = 1 << 1;
private static final int IS_BOTTOM = 1 << 2;
private static final int IS_BELOW_SELECTED = 1 << 3;
private LayoutInflater mInflater;
Resources mRes;
private int mLayout;
private int mOrientation;
private CalendarRow[] mData;
private Cursor mCursor;
private int mRowCount = 0;
private int mIdColumn;
private int mNameColumn;
private int mColorColumn;
private int mVisibleColumn;
private int mOwnerAccountColumn;
private float mScale = 0;
private int mColorCalendarVisible;
private int mColorCalendarHidden;
private int mColorCalendarSecondaryVisible;
private int mColorCalendarSecondaryHidden;
private class CalendarRow {
long id;
String displayName;
String ownerAccount;
int color;
boolean selected;
}
public SelectCalendarsSimpleAdapter(Context context, int layout, Cursor c) {
super();
mLayout = layout;
mOrientation = context.getResources().getConfiguration().orientation;
initData(c);
mInflater = (LayoutInflater) context.getSystemService(Context.LAYOUT_INFLATER_SERVICE);
mRes = context.getResources();
mColorCalendarVisible = mRes.getColor(R.color.calendar_visible);
mColorCalendarHidden = mRes.getColor(R.color.calendar_hidden);
mColorCalendarSecondaryVisible = mRes.getColor(R.color.calendar_secondary_visible);
mColorCalendarSecondaryHidden = mRes.getColor(R.color.calendar_secondary_hidden);
if (mScale == 0) {
mScale = mRes.getDisplayMetrics().density;
SELECTED_COLOR_CHIP_SIZE *= mScale;
UNSELECTED_COLOR_CHIP_SIZE *= mScale;
COLOR_CHIP_LEFT_MARGIN *= mScale;
COLOR_CHIP_RIGHT_MARGIN *= mScale;
COLOR_CHIP_TOP_OFFSET *= mScale;
BOTTOM_ITEM_HEIGHT *= mScale;
NORMAL_ITEM_HEIGHT *= mScale;
}
}
private static class TabletCalendarItemBackgrounds {
static private int[] mBackgrounds = null;
/**
* Sets up the background drawables for the calendars list
*
* @param res The context's resources
*/
static int[] getBackgrounds() {
// Not thread safe. Ok if called only from main thread
if (mBackgrounds != null) {
return mBackgrounds;
}
mBackgrounds = new int[16];
mBackgrounds[0] = R.drawable.calname_unselected;
mBackgrounds[IS_SELECTED] = R.drawable.calname_select_underunselected;
mBackgrounds[IS_SELECTED | IS_BOTTOM] =
R.drawable.calname_bottom_select_underunselected;
mBackgrounds[IS_SELECTED | IS_BOTTOM | IS_BELOW_SELECTED] =
R.drawable.calname_bottom_select_underselect;
mBackgrounds[IS_SELECTED | IS_TOP | IS_BOTTOM | IS_BELOW_SELECTED] = mBackgrounds[
IS_SELECTED | IS_BOTTOM | IS_BELOW_SELECTED];
mBackgrounds[IS_SELECTED | IS_TOP | IS_BOTTOM] = mBackgrounds[IS_SELECTED | IS_BOTTOM
| IS_BELOW_SELECTED];
mBackgrounds[IS_SELECTED | IS_BELOW_SELECTED] = R.drawable.calname_select_underselect;
mBackgrounds[IS_SELECTED | IS_TOP | IS_BELOW_SELECTED] = mBackgrounds[IS_SELECTED
| IS_BELOW_SELECTED];
mBackgrounds[IS_SELECTED | IS_TOP] = mBackgrounds[IS_SELECTED | IS_BELOW_SELECTED];
mBackgrounds[IS_BOTTOM] = R.drawable.calname_bottom_unselected;
mBackgrounds[IS_BOTTOM | IS_BELOW_SELECTED] =
R.drawable.calname_bottom_unselected_underselect;
mBackgrounds[IS_TOP | IS_BOTTOM | IS_BELOW_SELECTED] = mBackgrounds[IS_BOTTOM
| IS_BELOW_SELECTED];
mBackgrounds[IS_TOP | IS_BOTTOM] = mBackgrounds[IS_BOTTOM | IS_BELOW_SELECTED];
mBackgrounds[IS_BELOW_SELECTED] = R.drawable.calname_unselected_underselect;
mBackgrounds[IS_TOP | IS_BELOW_SELECTED] = mBackgrounds[IS_BELOW_SELECTED];
mBackgrounds[IS_TOP] = mBackgrounds[IS_BELOW_SELECTED];
return mBackgrounds;
}
}
private void initData(Cursor c) {
if (mCursor != null && c != mCursor) {
mCursor.close();
}
if (c == null) {
mCursor = c;
mRowCount = 0;
mData = null;
return;
}
// TODO create a broadcast listener for ACTION_PROVIDER_CHANGED to update the cursor
mCursor = c;
mIdColumn = c.getColumnIndexOrThrow(Calendars._ID);
mNameColumn = c.getColumnIndexOrThrow(Calendars.CALENDAR_DISPLAY_NAME);
mColorColumn = c.getColumnIndexOrThrow(Calendars.CALENDAR_COLOR);
mVisibleColumn = c.getColumnIndexOrThrow(Calendars.VISIBLE);
mOwnerAccountColumn = c.getColumnIndexOrThrow(Calendars.OWNER_ACCOUNT);
mRowCount = c.getCount();
mData = new CalendarRow[(c.getCount())];
c.moveToPosition(-1);
int p = 0;
while (c.moveToNext()) {
mData[p] = new CalendarRow();
mData[p].id = c.getLong(mIdColumn);
mData[p].displayName = c.getString(mNameColumn);
mData[p].color = c.getInt(mColorColumn);
mData[p].selected = c.getInt(mVisibleColumn) != 0;
mData[p].ownerAccount = c.getString(mOwnerAccountColumn);
p++;
}
}
public void changeCursor(Cursor c) {
initData(c);
notifyDataSetChanged();
}
public View getView(int position, View convertView, ViewGroup parent) {
if (position >= mRowCount) {
return null;
}
String name = mData[position].displayName;
boolean selected = mData[position].selected;
int color = Utils.getDisplayColorFromColor(mData[position].color);
View view;
if (convertView == null) {
view = mInflater.inflate(mLayout, parent, false);
} else {
view = convertView;
}
TextView calendarName = (TextView) view.findViewById(R.id.calendar);
calendarName.setText(name);
View colorView = view.findViewById(R.id.color);
colorView.setBackgroundColor(color);
CheckBox syncCheckBox = (CheckBox) view.findViewById(R.id.sync);
if (syncCheckBox != null) {
// Full screen layout
syncCheckBox.setChecked(selected);
int textColor;
if (selected) {
textColor = mColorCalendarVisible;
} else {
textColor = mColorCalendarHidden;
}
calendarName.setTextColor(textColor);
LayoutParams layoutParam = calendarName.getLayoutParams();
TextView secondaryText = (TextView) view.findViewById(R.id.status);
if (!TextUtils.isEmpty(mData[position].ownerAccount)
&& !mData[position].ownerAccount.equals(name)
&& !mData[position].ownerAccount.endsWith("calendar.google.com")) {
int secondaryColor;
if (selected) {
secondaryColor = mColorCalendarSecondaryVisible;
} else {
secondaryColor = mColorCalendarSecondaryHidden;
}
secondaryText.setText(mData[position].ownerAccount);
secondaryText.setTextColor(secondaryColor);
secondaryText.setVisibility(View.VISIBLE);
layoutParam.height = LayoutParams.WRAP_CONTENT;
} else {
secondaryText.setVisibility(View.GONE);
layoutParam.height = LayoutParams.MATCH_PARENT;
}
calendarName.setLayoutParams(layoutParam);
} else {
// Tablet layout
RelativeLayout.LayoutParams params = new RelativeLayout.LayoutParams(
SELECTED_COLOR_CHIP_SIZE, SELECTED_COLOR_CHIP_SIZE);
params.leftMargin = COLOR_CHIP_LEFT_MARGIN;
params.rightMargin = COLOR_CHIP_RIGHT_MARGIN;
// This offset is needed because the assets include the bottom of the
// previous item
params.topMargin = COLOR_CHIP_TOP_OFFSET;
if (!selected) {
params.height = UNSELECTED_COLOR_CHIP_SIZE;
params.width = UNSELECTED_COLOR_CHIP_SIZE;
params.leftMargin += (SELECTED_COLOR_CHIP_SIZE - UNSELECTED_COLOR_CHIP_SIZE) / 2;
params.topMargin += (SELECTED_COLOR_CHIP_SIZE - UNSELECTED_COLOR_CHIP_SIZE) / 2;
}
colorView.setLayoutParams(params);
Drawable bg = getBackground(position, selected);
view.setBackgroundDrawable(bg);
ViewGroup.LayoutParams newParams = view.getLayoutParams();
if (position == mData.length - 1) {
newParams.height = BOTTOM_ITEM_HEIGHT;
} else {
newParams.height = NORMAL_ITEM_HEIGHT;
}
view.setLayoutParams(newParams);
CheckBox visibleCheckBox = (CheckBox) view.findViewById(R.id.visible_check_box);
if (visibleCheckBox != null) {
visibleCheckBox.setChecked(selected);
}
}
view.invalidate();
return view;
}
/**
* @param position position of the calendar item
* @param selected whether it is selected or not
* @return the drawable to use for this view
*/
protected Drawable getBackground(int position, boolean selected) {
int bg;
bg = selected ? IS_SELECTED : 0;
bg |= (position == 0 && mOrientation == Configuration.ORIENTATION_LANDSCAPE) ? IS_TOP : 0;
bg |= position == mData.length - 1 ? IS_BOTTOM : 0;
bg |= (position > 0 && mData[position - 1].selected) ? IS_BELOW_SELECTED : 0;
return mRes.getDrawable(TabletCalendarItemBackgrounds.getBackgrounds()[bg]);
}
public int getCount() {
return mRowCount;
}
public Object getItem(int position) {
if (position >= mRowCount) {
return null;
}
CalendarRow item = mData[position];
return item;
}
public long getItemId(int position) {
if (position >= mRowCount) {
return 0;
}
return mData[position].id;
}
public void setVisible(int position, int visible) {
mData[position].selected = visible != 0;
notifyDataSetChanged();
}
public int getVisible(int position) {
return mData[position].selected ? 1 : 0;
}
@Override
public boolean hasStableIds() {
return true;
}
}