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 GalleryGridItemData()64 public GalleryGridItemData() { 65 } 66 bind(final Cursor cursor, final int desiredWidth, final int desiredHeight)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 isDocumentPickerItem()100 public boolean isDocumentPickerItem() { 101 return mIsDocumentPickerItem; 102 } 103 getImageUri()104 public Uri getImageUri() { 105 return mImageData.uri; 106 } 107 getImageRequestDescriptor()108 public UriImageRequestDescriptor getImageRequestDescriptor() { 109 return mImageData; 110 } 111 constructMessagePartData(final Rect startRect)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 */ getDateSeconds()121 public long getDateSeconds() { 122 return mDateSeconds; 123 } 124 getContentType()125 public String getContentType() { 126 return mContentType; 127 } 128 } 129