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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 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 
    149