src/com/android/gallery3d/ui/DetailsHelper.java

   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 package com.android.gallery3d.ui;
  17
  18 import android.content.Context;
  19 import android.graphics.Bitmap;
  20 import android.graphics.BitmapFactory;
  21 import android.view.View.MeasureSpec;
  22
  23 import com.android.gallery3d.R;
  24 import com.android.gallery3d.app.AbstractGalleryActivity;
  25 import com.android.gallery3d.data.MediaDetails;
  26 import com.android.gallery3d.ui.DetailsAddressResolver.AddressResolvingListener;
  27
  28 public class DetailsHelper {
  29     private static DetailsAddressResolver sAddressResolver;
  30     private DetailsViewContainer mContainer;
  31
  32     public interface DetailsSource {
  33         public int size();
  34         public int setIndex();
  35         public MediaDetails getDetails();
  36     }
  37
  38     public interface CloseListener {
  39         public void onClose();
  40     }
  41
  42     public interface DetailsViewContainer {
  43         public void reloadDetails();
  44         public void setCloseListener(CloseListener listener);
  45         public void show();
  46         public void hide();
  47     }
  48
  49     public interface ResolutionResolvingListener {
  50         public void onResolutionAvailable(int width, int height);
  51     }
  52
  53     public DetailsHelper(AbstractGalleryActivity activity, GLView rootPane, DetailsSource source) {
  54         mContainer = new DialogDetailsView(activity, source);
  55     }
  56
  57     public void layout(int left, int top, int right, int bottom) {
  58         if (mContainer instanceof GLView) {
  59             GLView view = (GLView) mContainer;
  60             view.measure(MeasureSpec.UNSPECIFIED,
  61                     MeasureSpec.makeMeasureSpec(bottom - top, MeasureSpec.AT_MOST));
  62             view.layout(0, top, view.getMeasuredWidth(), top + view.getMeasuredHeight());
  63         }
  64     }
  65
  66     public void reloadDetails() {
  67         mContainer.reloadDetails();
  68     }
  69
  70     public void setCloseListener(CloseListener listener) {
  71         mContainer.setCloseListener(listener);
  72     }
  73
  74     public static String resolveAddress(AbstractGalleryActivity activity, double[] latlng,
  75             AddressResolvingListener listener) {
  76         if (sAddressResolver == null) {
  77             sAddressResolver = new DetailsAddressResolver(activity);
  78         } else {
  79             sAddressResolver.cancel();
  80         }
  81         return sAddressResolver.resolveAddress(latlng, listener);
  82     }
  83
  84     public static void resolveResolution(String path, ResolutionResolvingListener listener) {
  85         Bitmap bitmap = BitmapFactory.decodeFile(path);
  86         if (bitmap == null) return;
  87         listener.onResolutionAvailable(bitmap.getWidth(), bitmap.getHeight());
  88     }
  89
  90     public static void pause() {
  91         if (sAddressResolver != null) sAddressResolver.cancel();
  92     }
  93
  94     public void show() {
  95         mContainer.show();
  96     }
  97
  98     public void hide() {
  99         mContainer.hide();
 100     }
 101
 102     public static String getDetailsName(Context context, int key) {
 103         switch (key) {
 104             case MediaDetails.INDEX_TITLE:
 105                 return context.getString(R.string.title);
 106             case MediaDetails.INDEX_DESCRIPTION:
 107                 return context.getString(R.string.description);
 108             case MediaDetails.INDEX_DATETIME:
 109                 return context.getString(R.string.time);
 110             case MediaDetails.INDEX_LOCATION:
 111                 return context.getString(R.string.location);
 112             case MediaDetails.INDEX_PATH:
 113                 return context.getString(R.string.path);
 114             case MediaDetails.INDEX_WIDTH:
 115                 return context.getString(R.string.width);
 116             case MediaDetails.INDEX_HEIGHT:
 117                 return context.getString(R.string.height);
 118             case MediaDetails.INDEX_ORIENTATION:
 119                 return context.getString(R.string.orientation);
 120             case MediaDetails.INDEX_DURATION:
 121                 return context.getString(R.string.duration);
 122             case MediaDetails.INDEX_MIMETYPE:
 123                 return context.getString(R.string.mimetype);
 124             case MediaDetails.INDEX_SIZE:
 125                 return context.getString(R.string.file_size);
 126             case MediaDetails.INDEX_MAKE:
 127                 return context.getString(R.string.maker);
 128             case MediaDetails.INDEX_MODEL:
 129                 return context.getString(R.string.model);
 130             case MediaDetails.INDEX_FLASH:
 131                 return context.getString(R.string.flash);
 132             case MediaDetails.INDEX_APERTURE:
 133                 return context.getString(R.string.aperture);
 134             case MediaDetails.INDEX_FOCAL_LENGTH:
 135                 return context.getString(R.string.focal_length);
 136             case MediaDetails.INDEX_WHITE_BALANCE:
 137                 return context.getString(R.string.white_balance);
 138             case MediaDetails.INDEX_EXPOSURE_TIME:
 139                 return context.getString(R.string.exposure_time);
 140             case MediaDetails.INDEX_ISO:
 141                 return context.getString(R.string.iso);
 142             default:
 143                 return "Unknown key" + key;
 144         }
 145     }
 146 }
 147
 148