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/*
* Copyright (C) 2016 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.alarmclock;
import android.appwidget.AppWidgetManager;
import android.content.Context;
import android.content.res.Resources;
import android.os.Bundle;
import com.android.deskclock.R;
import com.android.deskclock.Utils;
public final class WidgetUtils {
private WidgetUtils() {}
// Calculate the scale factor of the fonts in the widget
public static float getScaleRatio(Context context, Bundle options, int id, int cityCount) {
if (options == null) {
AppWidgetManager widgetManager = AppWidgetManager.getInstance(context);
if (widgetManager == null) {
// no manager , do no scaling
return 1f;
}
options = widgetManager.getAppWidgetOptions(id);
}
if (options != null) {
int minWidth = options.getInt(AppWidgetManager.OPTION_APPWIDGET_MIN_WIDTH);
if (minWidth == 0) {
// No data , do no scaling
return 1f;
}
final Resources res = context.getResources();
float density = res.getDisplayMetrics().density;
float ratio = (density * minWidth) / res.getDimension(R.dimen.min_digital_widget_width);
ratio = Math.min(ratio, getHeightScaleRatio(context, options, id));
ratio *= .83f;
if (cityCount > 0) {
return (ratio > 1f) ? 1f : ratio;
}
ratio = Math.min(ratio, 1.6f);
if (Utils.isPortrait(context)) {
ratio = Math.max(ratio, .71f);
}
else {
ratio = Math.max(ratio, .45f);
}
return ratio;
}
return 1f;
}
// Calculate the scale factor of the fonts in the list of the widget using the widget height
private static float getHeightScaleRatio(Context context, Bundle options, int id) {
if (options == null) {
AppWidgetManager widgetManager = AppWidgetManager.getInstance(context);
if (widgetManager == null) {
// no manager , do no scaling
return 1f;
}
options = widgetManager.getAppWidgetOptions(id);
}
if (options != null) {
int minHeight = options.getInt(AppWidgetManager.OPTION_APPWIDGET_MIN_HEIGHT);
if (minHeight == 0) {
// No data , do no scaling
return 1f;
}
final Resources res = context.getResources();
float density = res.getDisplayMetrics().density;
float ratio = density * minHeight / res.getDimension(R.dimen.min_digital_widget_height);
if (Utils.isPortrait(context)) {
return ratio * 1.75f;
}
return ratio;
}
return 1;
}
}
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