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      1 /*
      2  * Copyright (C) 2008 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.ide.common.resources.configuration;
     18 
     19 import com.android.resources.KeyboardState;
     20 import com.android.resources.ResourceEnum;
     21 
     22 /**
     23  * Resource Qualifier for keyboard state.
     24  */
     25 public final class KeyboardStateQualifier extends EnumBasedResourceQualifier {
     26 
     27     public static final String NAME = "Keyboard State";
     28 
     29     private KeyboardState mValue = null;
     30 
     31     public KeyboardStateQualifier() {
     32         // pass
     33     }
     34 
     35     public KeyboardStateQualifier(KeyboardState value) {
     36         mValue = value;
     37     }
     38 
     39     public KeyboardState getValue() {
     40         return mValue;
     41     }
     42 
     43     @Override
     44     ResourceEnum getEnumValue() {
     45         return mValue;
     46     }
     47 
     48     @Override
     49     public String getName() {
     50         return NAME;
     51     }
     52 
     53     @Override
     54     public String getShortName() {
     55         return "Keyboard";
     56     }
     57 
     58     @Override
     59     public boolean checkAndSet(String value, FolderConfiguration config) {
     60         KeyboardState orientation = KeyboardState.getEnum(value);
     61         if (orientation != null) {
     62             KeyboardStateQualifier qualifier = new KeyboardStateQualifier();
     63             qualifier.mValue = orientation;
     64             config.setKeyboardStateQualifier(qualifier);
     65             return true;
     66         }
     67 
     68         return false;
     69     }
     70 
     71     @Override
     72     public boolean isMatchFor(ResourceQualifier qualifier) {
     73         if (qualifier instanceof KeyboardStateQualifier) {
     74             KeyboardStateQualifier referenceQualifier = (KeyboardStateQualifier)qualifier;
     75 
     76             // special case where EXPOSED can be used for SOFT
     77             if (referenceQualifier.mValue == KeyboardState.SOFT &&
     78                     mValue == KeyboardState.EXPOSED) {
     79                 return true;
     80             }
     81 
     82             return referenceQualifier.mValue == mValue;
     83         }
     84 
     85         return false;
     86     }
     87 
     88     @Override
     89     public boolean isBetterMatchThan(ResourceQualifier compareTo, ResourceQualifier reference) {
     90         if (compareTo == null) {
     91             return true;
     92         }
     93 
     94         KeyboardStateQualifier compareQualifier = (KeyboardStateQualifier)compareTo;
     95         KeyboardStateQualifier referenceQualifier = (KeyboardStateQualifier)reference;
     96 
     97         if (referenceQualifier.mValue == KeyboardState.SOFT) { // only case where there could be a
     98                                                                // better qualifier
     99             // only return true if it's a better value.
    100             if (compareQualifier.mValue == KeyboardState.EXPOSED && mValue == KeyboardState.SOFT) {
    101                 return true;
    102             }
    103         }
    104 
    105         return false;
    106     }
    107 }
    108