Restore world cities list to digital clock widget
Bug: 28638735
Change-Id: Ia7dfe3bc6b64df2db4c2971a5dc9913a31a41b88
diff --git a/src/com/android/alarmclock/WidgetUtils.java b/src/com/android/alarmclock/WidgetUtils.java
new file mode 100644
index 0000000..e3099cc
--- /dev/null
+++ b/src/com/android/alarmclock/WidgetUtils.java
@@ -0,0 +1,95 @@
+/*
+ * 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.Configuration;
+import android.content.res.Resources;
+import android.os.Bundle;
+
+import com.android.deskclock.R;
+
+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;
+ }
+ 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 (res.getConfiguration().orientation == Configuration.ORIENTATION_PORTRAIT) {
+ 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;
+ }
+ Resources res = context.getResources();
+ float density = res.getDisplayMetrics().density;
+ float ratio = density * minHeight / res.getDimension(R.dimen.min_digital_widget_height);
+ if (res.getConfiguration().orientation == Configuration.ORIENTATION_PORTRAIT) {
+ return ratio * 1.75f;
+ }
+ return ratio;
+ }
+ return 1;
+ }
+}
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