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      1 /*
      2  * Copyright (C) 2009 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.cooliris.media;
     18 
     19 import java.util.HashMap;
     20 
     21 import com.cooliris.app.App;
     22 
     23 // CR: this stuff needs comments really badly.
     24 public final class DisplaySlot {
     25     private MediaSet mSetRef;
     26     private String mTitle;
     27     private StringTexture mTitleImage;
     28     private String mLocation;
     29     private StringTexture mLocationImage;
     30 
     31     private static final StringTexture.Config CAPTION_STYLE = new StringTexture.Config();
     32     private static final StringTexture.Config CLUSTER_STYLE = new StringTexture.Config();
     33     private static final StringTexture.Config LOCATION_STYLE = new StringTexture.Config();
     34 
     35     static {
     36         CAPTION_STYLE.sizeMode = StringTexture.Config.SIZE_TEXT_TO_BOUNDS;
     37         CAPTION_STYLE.fontSize = 16 * App.PIXEL_DENSITY;
     38         CAPTION_STYLE.bold = true;
     39         CAPTION_STYLE.width = (App.PIXEL_DENSITY < 1.5f) ? 128 : 256;
     40         CAPTION_STYLE.height = (App.PIXEL_DENSITY < 1.5f) ? 32 : 64;
     41         CAPTION_STYLE.yalignment = StringTexture.Config.ALIGN_TOP;
     42         CAPTION_STYLE.xalignment = StringTexture.Config.ALIGN_HCENTER;
     43 
     44         CLUSTER_STYLE.sizeMode = StringTexture.Config.SIZE_TEXT_TO_BOUNDS;
     45         CLUSTER_STYLE.width = (App.PIXEL_DENSITY < 1.5f) ? 128 : 256;
     46         CLUSTER_STYLE.height = (App.PIXEL_DENSITY < 1.5f) ? 32 : 64;
     47         CLUSTER_STYLE.yalignment = StringTexture.Config.ALIGN_TOP;
     48         CLUSTER_STYLE.fontSize = 16 * App.PIXEL_DENSITY;
     49         CLUSTER_STYLE.bold = true;
     50         CLUSTER_STYLE.xalignment = StringTexture.Config.ALIGN_HCENTER;
     51 
     52         LOCATION_STYLE.sizeMode = StringTexture.Config.SIZE_TEXT_TO_BOUNDS;
     53         LOCATION_STYLE.fontSize = 12 * App.PIXEL_DENSITY;
     54         LOCATION_STYLE.width = (App.PIXEL_DENSITY < 1.5f) ? 128 : 256;
     55         LOCATION_STYLE.height = (App.PIXEL_DENSITY < 1.5f) ? 32 : 64;
     56         LOCATION_STYLE.fontSize = 12 * App.PIXEL_DENSITY;
     57         LOCATION_STYLE.xalignment = StringTexture.Config.ALIGN_HCENTER;
     58     }
     59 
     60     public void setMediaSet(MediaSet set) {
     61         mSetRef = set;
     62         mTitle = null;
     63         mTitleImage = null;
     64         mLocationImage = null;
     65         if (set.mReverseGeocodedLocation == null) {
     66             set.mReverseGeocodedLocationRequestMade = false;
     67             set.mReverseGeocodedLocationComputed = false;
     68         }
     69     }
     70 
     71     public MediaSet getMediaSet() {
     72         return mSetRef;
     73     }
     74 
     75     public boolean hasValidLocation() {
     76         if (mSetRef != null) {
     77             return (mSetRef.mReverseGeocodedLocation != null);
     78         } else {
     79             return false;
     80         }
     81     }
     82 
     83     private StringTexture getTextureForString(String string, HashMap<String, StringTexture> textureTable,
     84             StringTexture.Config config) {
     85         StringTexture texture = null;
     86         if (textureTable != null && textureTable.containsKey(string)) {
     87             texture = textureTable.get(string);
     88         }
     89         if (texture == null) {
     90             texture = new StringTexture(string, config);
     91             if (textureTable != null) {
     92                 textureTable.put(string, texture);
     93             }
     94         }
     95         return texture;
     96     }
     97 
     98     public StringTexture getTitleImage(HashMap<String, StringTexture> textureTable) {
     99         if (mSetRef == null) {
    100             return null;
    101         }
    102         StringTexture texture = mTitleImage;
    103         String title = mSetRef.mTruncTitleString;
    104         if (texture == null && title != null && !(title.equals(mTitle))) {
    105             texture = getTextureForString(title, textureTable, ((mSetRef.mId != Shared.INVALID && mSetRef.mId != 0) ? CAPTION_STYLE
    106                     : CLUSTER_STYLE));
    107             mTitleImage = texture;
    108             mTitle = title;
    109         }
    110         return texture;
    111     }
    112 
    113     public StringTexture getLocationImage(ReverseGeocoder reverseGeocoder, HashMap<String, StringTexture> textureTable) {
    114         if (mSetRef == null || mSetRef.mTitleString == null) {
    115             return null;
    116         }
    117         if (mLocationImage == null) {
    118             if (!mSetRef.mReverseGeocodedLocationRequestMade && reverseGeocoder != null) {
    119                 reverseGeocoder.enqueue(mSetRef);
    120                 mSetRef.mReverseGeocodedLocationRequestMade = true;
    121             }
    122             if (mSetRef.mReverseGeocodedLocationComputed) {
    123                 String geocodedLocation = mSetRef.mReverseGeocodedLocation;
    124                 if (geocodedLocation != null) {
    125                     mLocation = geocodedLocation;
    126                     mLocationImage = getTextureForString(mLocation, textureTable, LOCATION_STYLE);
    127                 }
    128             }
    129         }
    130         return mLocationImage;
    131     }
    132 }
    133