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      1 /*
      2  * Copyright (C) 2015 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.messaging.datamodel.data;
     18 
     19 import android.database.Cursor;
     20 import android.graphics.Rect;
     21 import android.net.Uri;
     22 import android.provider.BaseColumns;
     23 import android.provider.MediaStore.Images.Media;
     24 import android.text.TextUtils;
     25 
     26 import com.android.messaging.datamodel.media.FileImageRequestDescriptor;
     27 import com.android.messaging.datamodel.media.ImageRequest;
     28 import com.android.messaging.datamodel.media.UriImageRequestDescriptor;
     29 import com.android.messaging.util.Assert;
     30 
     31 /**
     32  * Provides data for GalleryGridItemView
     33  */
     34 public class GalleryGridItemData {
     35     public static final String[] IMAGE_PROJECTION = new String[] {
     36         Media._ID,
     37         Media.DATA,
     38         Media.WIDTH,
     39         Media.HEIGHT,
     40         Media.MIME_TYPE,
     41         Media.DATE_MODIFIED};
     42 
     43     public static final String[] SPECIAL_ITEM_COLUMNS = new String[] {
     44         BaseColumns._ID
     45     };
     46 
     47     private static final int INDEX_ID = 0;
     48 
     49     // For local image gallery.
     50     private static final int INDEX_DATA_PATH = 1;
     51     private static final int INDEX_WIDTH = 2;
     52     private static final int INDEX_HEIGHT = 3;
     53     private static final int INDEX_MIME_TYPE = 4;
     54     private static final int INDEX_DATE_MODIFIED = 5;
     55 
     56     /** A special item's id for picking images from document picker */
     57     public static final String ID_DOCUMENT_PICKER_ITEM = "-1";
     58 
     59     private UriImageRequestDescriptor mImageData;
     60     private String mContentType;
     61     private boolean mIsDocumentPickerItem;
     62     private long mDateSeconds;
     63 
     64     public GalleryGridItemData() {
     65     }
     66 
     67     public void bind(final Cursor cursor, final int desiredWidth, final int desiredHeight) {
     68         mIsDocumentPickerItem = TextUtils.equals(cursor.getString(INDEX_ID),
     69                 ID_DOCUMENT_PICKER_ITEM);
     70         if (mIsDocumentPickerItem) {
     71             mImageData = null;
     72             mContentType = null;
     73         } else {
     74             int sourceWidth = cursor.getInt(INDEX_WIDTH);
     75             int sourceHeight = cursor.getInt(INDEX_HEIGHT);
     76 
     77             // Guard against bad data
     78             if (sourceWidth <= 0) {
     79                 sourceWidth = ImageRequest.UNSPECIFIED_SIZE;
     80             }
     81             if (sourceHeight <= 0) {
     82                 sourceHeight = ImageRequest.UNSPECIFIED_SIZE;
     83             }
     84 
     85             mContentType = cursor.getString(INDEX_MIME_TYPE);
     86             final String dateModified = cursor.getString(INDEX_DATE_MODIFIED);
     87             mDateSeconds = !TextUtils.isEmpty(dateModified) ? Long.parseLong(dateModified) : -1;
     88             mImageData = new FileImageRequestDescriptor(
     89                     cursor.getString(INDEX_DATA_PATH),
     90                     desiredWidth,
     91                     desiredHeight,
     92                     sourceWidth,
     93                     sourceHeight,
     94                     true /* canUseThumbnail */,
     95                     true /* allowCompression */,
     96                     true /* isStatic */);
     97         }
     98     }
     99 
    100     public boolean isDocumentPickerItem() {
    101         return mIsDocumentPickerItem;
    102     }
    103 
    104     public Uri getImageUri() {
    105         return mImageData.uri;
    106     }
    107 
    108     public UriImageRequestDescriptor getImageRequestDescriptor() {
    109         return mImageData;
    110     }
    111 
    112     public MessagePartData constructMessagePartData(final Rect startRect) {
    113         Assert.isTrue(!mIsDocumentPickerItem);
    114         return new MediaPickerMessagePartData(startRect, mContentType,
    115                 mImageData.uri, mImageData.sourceWidth, mImageData.sourceHeight);
    116     }
    117 
    118     /**
    119      * @return The date in seconds. This can be negative if we could not retreive date info
    120      */
    121     public long getDateSeconds() {
    122         return mDateSeconds;
    123     }
    124 
    125     public String getContentType() {
    126         return mContentType;
    127     }
    128 }
    129