1d3b009ae55651f1e60950342468e3c37fdeb0796Mike Dodd/* 2d3b009ae55651f1e60950342468e3c37fdeb0796Mike Dodd * Copyright (C) 2015 The Android Open Source Project 3d3b009ae55651f1e60950342468e3c37fdeb0796Mike Dodd * 4d3b009ae55651f1e60950342468e3c37fdeb0796Mike Dodd * Licensed under the Apache License, Version 2.0 (the "License"); 5d3b009ae55651f1e60950342468e3c37fdeb0796Mike Dodd * you may not use this file except in compliance with the License. 6d3b009ae55651f1e60950342468e3c37fdeb0796Mike Dodd * You may obtain a copy of the License at 7d3b009ae55651f1e60950342468e3c37fdeb0796Mike Dodd * 8d3b009ae55651f1e60950342468e3c37fdeb0796Mike Dodd * http://www.apache.org/licenses/LICENSE-2.0 9d3b009ae55651f1e60950342468e3c37fdeb0796Mike Dodd * 10d3b009ae55651f1e60950342468e3c37fdeb0796Mike Dodd * Unless required by applicable law or agreed to in writing, software 11d3b009ae55651f1e60950342468e3c37fdeb0796Mike Dodd * distributed under the License is distributed on an "AS IS" BASIS, 12d3b009ae55651f1e60950342468e3c37fdeb0796Mike Dodd * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13d3b009ae55651f1e60950342468e3c37fdeb0796Mike Dodd * See the License for the specific language governing permissions and 14d3b009ae55651f1e60950342468e3c37fdeb0796Mike Dodd * limitations under the License. 15d3b009ae55651f1e60950342468e3c37fdeb0796Mike Dodd */ 16d3b009ae55651f1e60950342468e3c37fdeb0796Mike Doddpackage com.android.messaging.ui.mediapicker; 17d3b009ae55651f1e60950342468e3c37fdeb0796Mike Dodd 18d3b009ae55651f1e60950342468e3c37fdeb0796Mike Doddimport android.app.Activity; 19d3b009ae55651f1e60950342468e3c37fdeb0796Mike Doddimport android.app.Fragment; 20d3b009ae55651f1e60950342468e3c37fdeb0796Mike Doddimport android.content.Intent; 21d3b009ae55651f1e60950342468e3c37fdeb0796Mike Doddimport android.net.Uri; 22d3b009ae55651f1e60950342468e3c37fdeb0796Mike Doddimport android.os.Bundle; 23d3b009ae55651f1e60950342468e3c37fdeb0796Mike Dodd 24d3b009ae55651f1e60950342468e3c37fdeb0796Mike Doddimport com.android.messaging.Factory; 25d3b009ae55651f1e60950342468e3c37fdeb0796Mike Doddimport com.android.messaging.datamodel.data.PendingAttachmentData; 26d3b009ae55651f1e60950342468e3c37fdeb0796Mike Doddimport com.android.messaging.ui.UIIntents; 2769ed579fb8092395c4ffeb64ff5147622def3d4aTom Taylorimport com.android.messaging.util.LogUtil; 2869ed579fb8092395c4ffeb64ff5147622def3d4aTom Taylorimport com.android.messaging.util.FileUtil; 29d3b009ae55651f1e60950342468e3c37fdeb0796Mike Doddimport com.android.messaging.util.ImageUtils; 30d3b009ae55651f1e60950342468e3c37fdeb0796Mike Doddimport com.android.messaging.util.SafeAsyncTask; 31d3b009ae55651f1e60950342468e3c37fdeb0796Mike Dodd 32d3b009ae55651f1e60950342468e3c37fdeb0796Mike Dodd/** 33d3b009ae55651f1e60950342468e3c37fdeb0796Mike Dodd * Wraps around the functionalities to allow the user to pick images from the document 34d3b009ae55651f1e60950342468e3c37fdeb0796Mike Dodd * picker. Instances of this class must be tied to a Fragment which is able to delegate activity 35d3b009ae55651f1e60950342468e3c37fdeb0796Mike Dodd * result callbacks. 36d3b009ae55651f1e60950342468e3c37fdeb0796Mike Dodd */ 37d3b009ae55651f1e60950342468e3c37fdeb0796Mike Doddpublic class DocumentImagePicker { 38d3b009ae55651f1e60950342468e3c37fdeb0796Mike Dodd 39d3b009ae55651f1e60950342468e3c37fdeb0796Mike Dodd /** 40d3b009ae55651f1e60950342468e3c37fdeb0796Mike Dodd * An interface for a listener that listens for when a document has been picked. 41d3b009ae55651f1e60950342468e3c37fdeb0796Mike Dodd */ 42d3b009ae55651f1e60950342468e3c37fdeb0796Mike Dodd public interface SelectionListener { 43d3b009ae55651f1e60950342468e3c37fdeb0796Mike Dodd /** 44d3b009ae55651f1e60950342468e3c37fdeb0796Mike Dodd * Called when an document is selected from picker. At this point, the file hasn't been 45d3b009ae55651f1e60950342468e3c37fdeb0796Mike Dodd * actually loaded and staged in the temp directory, so we are passing in a pending 46d3b009ae55651f1e60950342468e3c37fdeb0796Mike Dodd * MessagePartData, which the consumer should use to display a placeholder image. 47d3b009ae55651f1e60950342468e3c37fdeb0796Mike Dodd * @param pendingItem a temporary attachment data for showing the placeholder state. 48d3b009ae55651f1e60950342468e3c37fdeb0796Mike Dodd */ 49d3b009ae55651f1e60950342468e3c37fdeb0796Mike Dodd void onDocumentSelected(PendingAttachmentData pendingItem); 50d3b009ae55651f1e60950342468e3c37fdeb0796Mike Dodd } 51d3b009ae55651f1e60950342468e3c37fdeb0796Mike Dodd 52d3b009ae55651f1e60950342468e3c37fdeb0796Mike Dodd // The owning fragment. 53d3b009ae55651f1e60950342468e3c37fdeb0796Mike Dodd private final Fragment mFragment; 54d3b009ae55651f1e60950342468e3c37fdeb0796Mike Dodd 55d3b009ae55651f1e60950342468e3c37fdeb0796Mike Dodd // The listener on the picker events. 56d3b009ae55651f1e60950342468e3c37fdeb0796Mike Dodd private final SelectionListener mListener; 57d3b009ae55651f1e60950342468e3c37fdeb0796Mike Dodd 58d3b009ae55651f1e60950342468e3c37fdeb0796Mike Dodd private static final String EXTRA_PHOTO_URL = "photo_url"; 59d3b009ae55651f1e60950342468e3c37fdeb0796Mike Dodd 60d3b009ae55651f1e60950342468e3c37fdeb0796Mike Dodd /** 61d3b009ae55651f1e60950342468e3c37fdeb0796Mike Dodd * Creates a new instance of DocumentImagePicker. 62d3b009ae55651f1e60950342468e3c37fdeb0796Mike Dodd * @param activity The activity that owns the picker, or the activity that hosts the owning 63d3b009ae55651f1e60950342468e3c37fdeb0796Mike Dodd * fragment. 64d3b009ae55651f1e60950342468e3c37fdeb0796Mike Dodd */ 65d3b009ae55651f1e60950342468e3c37fdeb0796Mike Dodd public DocumentImagePicker(final Fragment fragment, 66d3b009ae55651f1e60950342468e3c37fdeb0796Mike Dodd final SelectionListener listener) { 67d3b009ae55651f1e60950342468e3c37fdeb0796Mike Dodd mFragment = fragment; 68d3b009ae55651f1e60950342468e3c37fdeb0796Mike Dodd mListener = listener; 69d3b009ae55651f1e60950342468e3c37fdeb0796Mike Dodd } 70d3b009ae55651f1e60950342468e3c37fdeb0796Mike Dodd 71d3b009ae55651f1e60950342468e3c37fdeb0796Mike Dodd /** 72d3b009ae55651f1e60950342468e3c37fdeb0796Mike Dodd * Intent out to open an image/video from document picker. 73d3b009ae55651f1e60950342468e3c37fdeb0796Mike Dodd */ 74d3b009ae55651f1e60950342468e3c37fdeb0796Mike Dodd public void launchPicker() { 75d3b009ae55651f1e60950342468e3c37fdeb0796Mike Dodd UIIntents.get().launchDocumentImagePicker(mFragment); 76d3b009ae55651f1e60950342468e3c37fdeb0796Mike Dodd } 77d3b009ae55651f1e60950342468e3c37fdeb0796Mike Dodd 78d3b009ae55651f1e60950342468e3c37fdeb0796Mike Dodd /** 79d3b009ae55651f1e60950342468e3c37fdeb0796Mike Dodd * Must be called from the fragment/activity's onActivityResult(). 80d3b009ae55651f1e60950342468e3c37fdeb0796Mike Dodd */ 81d3b009ae55651f1e60950342468e3c37fdeb0796Mike Dodd public void onActivityResult(final int requestCode, final int resultCode, final Intent data) { 82d3b009ae55651f1e60950342468e3c37fdeb0796Mike Dodd if (requestCode == UIIntents.REQUEST_PICK_IMAGE_FROM_DOCUMENT_PICKER && 83d3b009ae55651f1e60950342468e3c37fdeb0796Mike Dodd resultCode == Activity.RESULT_OK) { 84d3b009ae55651f1e60950342468e3c37fdeb0796Mike Dodd // Sometimes called after media item has been picked from the document picker. 85d3b009ae55651f1e60950342468e3c37fdeb0796Mike Dodd String url = data.getStringExtra(EXTRA_PHOTO_URL); 86d3b009ae55651f1e60950342468e3c37fdeb0796Mike Dodd if (url == null) { 87d3b009ae55651f1e60950342468e3c37fdeb0796Mike Dodd // we're using the builtin photo picker which supplies the return 88d3b009ae55651f1e60950342468e3c37fdeb0796Mike Dodd // url as it's "data" 89d3b009ae55651f1e60950342468e3c37fdeb0796Mike Dodd url = data.getDataString(); 90d3b009ae55651f1e60950342468e3c37fdeb0796Mike Dodd if (url == null) { 91d3b009ae55651f1e60950342468e3c37fdeb0796Mike Dodd final Bundle extras = data.getExtras(); 92d3b009ae55651f1e60950342468e3c37fdeb0796Mike Dodd if (extras != null) { 93d3b009ae55651f1e60950342468e3c37fdeb0796Mike Dodd final Uri uri = (Uri) extras.getParcelable(Intent.EXTRA_STREAM); 94d3b009ae55651f1e60950342468e3c37fdeb0796Mike Dodd if (uri != null) { 95d3b009ae55651f1e60950342468e3c37fdeb0796Mike Dodd url = uri.toString(); 96d3b009ae55651f1e60950342468e3c37fdeb0796Mike Dodd } 97d3b009ae55651f1e60950342468e3c37fdeb0796Mike Dodd } 98d3b009ae55651f1e60950342468e3c37fdeb0796Mike Dodd } 99d3b009ae55651f1e60950342468e3c37fdeb0796Mike Dodd } 100d3b009ae55651f1e60950342468e3c37fdeb0796Mike Dodd 101d3b009ae55651f1e60950342468e3c37fdeb0796Mike Dodd // Guard against null uri cases for when the activity returns a null/invalid intent. 102d3b009ae55651f1e60950342468e3c37fdeb0796Mike Dodd if (url != null) { 103d3b009ae55651f1e60950342468e3c37fdeb0796Mike Dodd final Uri uri = Uri.parse(url); 104d3b009ae55651f1e60950342468e3c37fdeb0796Mike Dodd prepareDocumentForAttachment(uri); 105d3b009ae55651f1e60950342468e3c37fdeb0796Mike Dodd } 106d3b009ae55651f1e60950342468e3c37fdeb0796Mike Dodd } 107d3b009ae55651f1e60950342468e3c37fdeb0796Mike Dodd } 108d3b009ae55651f1e60950342468e3c37fdeb0796Mike Dodd 109d3b009ae55651f1e60950342468e3c37fdeb0796Mike Dodd private void prepareDocumentForAttachment(final Uri documentUri) { 110d3b009ae55651f1e60950342468e3c37fdeb0796Mike Dodd // Notify our listener with a PendingAttachmentData containing the metadata. 111d3b009ae55651f1e60950342468e3c37fdeb0796Mike Dodd // Asynchronously get the content type for the picked image since 112d3b009ae55651f1e60950342468e3c37fdeb0796Mike Dodd // ImageUtils.getContentType() potentially involves I/O and can be expensive. 113d3b009ae55651f1e60950342468e3c37fdeb0796Mike Dodd new SafeAsyncTask<Void, Void, String>() { 114d3b009ae55651f1e60950342468e3c37fdeb0796Mike Dodd @Override 115d3b009ae55651f1e60950342468e3c37fdeb0796Mike Dodd protected String doInBackgroundTimed(final Void... params) { 116a43c5c5f18d966355a63db194c931e02267a2695Tom Taylor if (FileUtil.isInPrivateDir(documentUri)) { 11769ed579fb8092395c4ffeb64ff5147622def3d4aTom Taylor // hacker sending private app data. Bail out 11869ed579fb8092395c4ffeb64ff5147622def3d4aTom Taylor if (LogUtil.isLoggable(LogUtil.BUGLE_TAG, LogUtil.ERROR)) { 11969ed579fb8092395c4ffeb64ff5147622def3d4aTom Taylor LogUtil.e(LogUtil.BUGLE_TAG, "Aborting attach of private app data (" 12069ed579fb8092395c4ffeb64ff5147622def3d4aTom Taylor + documentUri + ")"); 12169ed579fb8092395c4ffeb64ff5147622def3d4aTom Taylor } 12269ed579fb8092395c4ffeb64ff5147622def3d4aTom Taylor return null; 12369ed579fb8092395c4ffeb64ff5147622def3d4aTom Taylor } 124d3b009ae55651f1e60950342468e3c37fdeb0796Mike Dodd return ImageUtils.getContentType( 125d3b009ae55651f1e60950342468e3c37fdeb0796Mike Dodd Factory.get().getApplicationContext().getContentResolver(), documentUri); 126d3b009ae55651f1e60950342468e3c37fdeb0796Mike Dodd } 127d3b009ae55651f1e60950342468e3c37fdeb0796Mike Dodd 128d3b009ae55651f1e60950342468e3c37fdeb0796Mike Dodd @Override 129d3b009ae55651f1e60950342468e3c37fdeb0796Mike Dodd protected void onPostExecute(final String contentType) { 13069ed579fb8092395c4ffeb64ff5147622def3d4aTom Taylor if (contentType == null) { 13169ed579fb8092395c4ffeb64ff5147622def3d4aTom Taylor return; // bad uri on input 13269ed579fb8092395c4ffeb64ff5147622def3d4aTom Taylor } 133d3b009ae55651f1e60950342468e3c37fdeb0796Mike Dodd // Ask the listener to create a temporary placeholder item to show the progress. 134d3b009ae55651f1e60950342468e3c37fdeb0796Mike Dodd final PendingAttachmentData pendingItem = 135d3b009ae55651f1e60950342468e3c37fdeb0796Mike Dodd PendingAttachmentData.createPendingAttachmentData(contentType, 136d3b009ae55651f1e60950342468e3c37fdeb0796Mike Dodd documentUri); 137d3b009ae55651f1e60950342468e3c37fdeb0796Mike Dodd mListener.onDocumentSelected(pendingItem); 138d3b009ae55651f1e60950342468e3c37fdeb0796Mike Dodd } 139d3b009ae55651f1e60950342468e3c37fdeb0796Mike Dodd }.executeOnThreadPool(); 140d3b009ae55651f1e60950342468e3c37fdeb0796Mike Dodd } 141d3b009ae55651f1e60950342468e3c37fdeb0796Mike Dodd} 142