1 /* 2 * Copyright (C) 2012 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17 package com.android.alarmclock; 18 19 import android.appwidget.AppWidgetManager; 20 import android.content.Context; 21 import android.content.res.Configuration; 22 import android.content.res.Resources; 23 import android.os.Bundle; 24 import android.util.Log; 25 import android.util.TypedValue; 26 import android.widget.RemoteViews; 27 import android.widget.RemoteViews.RemoteView; 28 import android.widget.TextClock; 29 30 import com.android.deskclock.R; 31 import com.android.deskclock.Utils; 32 33 public class WidgetUtils { 34 static final String TAG = "WidgetUtils"; 35 36 public static void setClockSize(Context context, RemoteViews clock, float scale) { 37 float fontSize = context.getResources().getDimension(R.dimen.widget_big_font_size); 38 clock.setTextViewTextSize( 39 R.id.the_clock, TypedValue.COMPLEX_UNIT_PX, fontSize * scale); 40 } 41 42 // Calculate the scale factor of the fonts in the widget 43 public static float getScaleRatio(Context context, Bundle options, int id) { 44 if (options == null) { 45 AppWidgetManager widgetManager = AppWidgetManager.getInstance(context); 46 if (widgetManager == null) { 47 // no manager , do no scaling 48 return 1f; 49 } 50 options = widgetManager.getAppWidgetOptions(id); 51 } 52 if (options != null) { 53 int minWidth = options.getInt(AppWidgetManager.OPTION_APPWIDGET_MIN_WIDTH); 54 if (minWidth == 0) { 55 // No data , do no scaling 56 return 1f; 57 } 58 Resources res = context.getResources(); 59 float density = res.getDisplayMetrics().density; 60 float ratio = (density * minWidth) / res.getDimension(R.dimen.min_digital_widget_width); 61 // Check if the height could introduce a font size constraint 62 int minHeight = options.getInt(AppWidgetManager.OPTION_APPWIDGET_MIN_HEIGHT); 63 if (minHeight > 0 && (density * minHeight) 64 < res.getDimension(R.dimen.min_digital_widget_height)) { 65 ratio = Math.min(ratio, getHeightScaleRatio(context, options, id)); 66 } 67 return (ratio > 1) ? 1 : ratio; 68 } 69 return 1; 70 } 71 72 // Calculate the scale factor of the fonts in the list of the widget using the widget height 73 private static float getHeightScaleRatio(Context context, Bundle options, int id) { 74 if (options == null) { 75 AppWidgetManager widgetManager = AppWidgetManager.getInstance(context); 76 if (widgetManager == null) { 77 // no manager , do no scaling 78 return 1f; 79 } 80 options = widgetManager.getAppWidgetOptions(id); 81 } 82 if (options != null) { 83 int minHeight = options.getInt(AppWidgetManager.OPTION_APPWIDGET_MIN_HEIGHT); 84 if (minHeight == 0) { 85 // No data , do no scaling 86 return 1f; 87 } 88 Resources res = context.getResources(); 89 float density = res.getDisplayMetrics().density; 90 // Estimate height of date text box - 1.35 roughly approximates the text box padding 91 float lblBox = 1.35f * res.getDimension(R.dimen.label_font_size); 92 // Ensure divisor for ratio is positive number 93 if (res.getDimension(R.dimen.min_digital_widget_height) - lblBox > 0) { 94 float ratio = ((density * minHeight) - lblBox) 95 / (res.getDimension(R.dimen.min_digital_widget_height) - lblBox); 96 return (ratio > 1) ? 1 : ratio; 97 } 98 } 99 return 1; 100 } 101 102 103 // Decide if to show the list of world clock. 104 // Check to see if the widget size is big enough, if it is return true. 105 public static boolean showList(Context context, int id, float scale) { 106 AppWidgetManager widgetManager = AppWidgetManager.getInstance(context); 107 if (widgetManager == null) { 108 // no manager to make the calculation, show the list anyway 109 return true; 110 } 111 Bundle options = widgetManager.getAppWidgetOptions(id); 112 if (options == null) { 113 // no data to make the calculation, show the list anyway 114 return true; 115 } 116 Resources res = context.getResources(); 117 String whichHeight = res.getConfiguration().orientation == 118 Configuration.ORIENTATION_PORTRAIT 119 ? AppWidgetManager.OPTION_APPWIDGET_MAX_HEIGHT 120 : AppWidgetManager.OPTION_APPWIDGET_MIN_HEIGHT; 121 int height = options.getInt(whichHeight); 122 if (height == 0) { 123 // no data to make the calculation, show the list anyway 124 return true; 125 } 126 float density = res.getDisplayMetrics().density; 127 // Estimate height of date text box 128 float lblBox = 1.35f * res.getDimension(R.dimen.label_font_size); 129 float neededSize = res.getDimension(R.dimen.digital_widget_list_min_fixed_height) + 130 2 * lblBox + 131 scale * res.getDimension(R.dimen.digital_widget_list_min_scaled_height); 132 return ((density * height) > neededSize); 133 } 134 135 /*** 136 * Set the format of the time on the clock accrding to the locale 137 * @param clock - view to format 138 * @param amPmFontSize - size of am/pm label, zero size means no am/om label 139 * @param clockId - id of TextClock view as defined in the clock's layout. 140 */ 141 public static void setTimeFormat(RemoteViews clock, int amPmFontSize, int clockId) { 142 if (clock != null) { 143 // Set the best format for 12 hours mode according to the locale 144 clock.setCharSequence(clockId, "setFormat12Hour", Utils.get12ModeFormat(amPmFontSize)); 145 // Set the best format for 24 hours mode according to the locale 146 clock.setCharSequence(clockId, "setFormat24Hour", Utils.get24ModeFormat()); 147 } 148 } 149 } 150 151
