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      1 /*
      2  * Copyright (C) 2010 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.resources;
     18 
     19 /**
     20  * Screen Ratio enum.
     21  * <p/>This is used in the manifest in the uses-configuration node and in the resource folder names.
     22  */
     23 public enum ScreenRatio implements ResourceEnum {
     24     NOTLONG("notlong", "Not Long", "Short screen aspect ratio"), //$NON-NLS-1$
     25     LONG("long", "Long", "Long screen aspect ratio"); //$NON-NLS-1$
     26 
     27     private final String mValue;
     28     private final String mShortDisplayValue;
     29     private final String mLongDisplayValue;
     30 
     31     private ScreenRatio(String value, String displayValue, String longDisplayValue) {
     32         mValue = value;
     33         mShortDisplayValue = displayValue;
     34         mLongDisplayValue = longDisplayValue;
     35     }
     36 
     37     /**
     38      * Returns the enum for matching the provided qualifier value.
     39      * @param value The qualifier value.
     40      * @return the enum for the qualifier value or null if no matching was found.
     41      */
     42     public static ScreenRatio getEnum(String value) {
     43         for (ScreenRatio orient : values()) {
     44             if (orient.mValue.equals(value)) {
     45                 return orient;
     46             }
     47         }
     48 
     49         return null;
     50     }
     51 
     52     public String getResourceValue() {
     53         return mValue;
     54     }
     55 
     56     public String getShortDisplayValue() {
     57         return mShortDisplayValue;
     58     }
     59 
     60     public String getLongDisplayValue() {
     61         return mLongDisplayValue;
     62     }
     63 
     64     public static int getIndex(ScreenRatio orientation) {
     65         int i = 0;
     66         for (ScreenRatio orient : values()) {
     67             if (orient == orientation) {
     68                 return i;
     69             }
     70 
     71             i++;
     72         }
     73 
     74         return -1;
     75     }
     76 
     77     public static ScreenRatio getByIndex(int index) {
     78         int i = 0;
     79         for (ScreenRatio orient : values()) {
     80             if (i == index) {
     81                 return orient;
     82             }
     83             i++;
     84         }
     85 
     86         return null;
     87     }
     88 
     89     public boolean isFakeValue() {
     90         return false;
     91     }
     92 
     93     public boolean isValidValueForDevice() {
     94         return true;
     95     }
     96 
     97 }
     98 
     99