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 package com.android.messaging.ui.attachmentchooser; 17 18 import android.app.Fragment; 19 import android.content.Context; 20 import android.graphics.Rect; 21 import android.net.Uri; 22 import android.os.Bundle; 23 import androidx.appcompat.app.ActionBar; 24 import android.view.LayoutInflater; 25 import android.view.Menu; 26 import android.view.MenuInflater; 27 import android.view.MenuItem; 28 import android.view.View; 29 import android.view.ViewGroup; 30 import android.widget.ArrayAdapter; 31 32 import com.android.messaging.R; 33 import com.android.messaging.datamodel.DataModel; 34 import com.android.messaging.datamodel.MessagingContentProvider; 35 import com.android.messaging.datamodel.binding.Binding; 36 import com.android.messaging.datamodel.binding.BindingBase; 37 import com.android.messaging.datamodel.data.DraftMessageData; 38 import com.android.messaging.datamodel.data.DraftMessageData.DraftMessageDataListener; 39 import com.android.messaging.datamodel.data.MessagePartData; 40 import com.android.messaging.ui.BugleActionBarActivity; 41 import com.android.messaging.ui.UIIntents; 42 import com.android.messaging.ui.attachmentchooser.AttachmentGridView.AttachmentGridHost; 43 import com.google.common.annotations.VisibleForTesting; 44 45 import java.util.ArrayList; 46 import java.util.List; 47 48 public class AttachmentChooserFragment extends Fragment implements DraftMessageDataListener, 49 AttachmentGridHost { 50 public interface AttachmentChooserFragmentHost { onConfirmSelection()51 void onConfirmSelection(); 52 } 53 54 private AttachmentGridView mAttachmentGridView; 55 private AttachmentGridAdapter mAdapter; 56 private AttachmentChooserFragmentHost mHost; 57 58 @VisibleForTesting 59 Binding<DraftMessageData> mBinding = BindingBase.createBinding(this); 60 61 @Override onCreateView(final LayoutInflater inflater, final ViewGroup container, final Bundle savedInstanceState)62 public View onCreateView(final LayoutInflater inflater, final ViewGroup container, 63 final Bundle savedInstanceState) { 64 final View view = inflater.inflate(R.layout.attachment_chooser_fragment, container, false); 65 mAttachmentGridView = (AttachmentGridView) view.findViewById(R.id.grid); 66 mAdapter = new AttachmentGridAdapter(getActivity()); 67 mAttachmentGridView.setAdapter(mAdapter); 68 mAttachmentGridView.setHost(this); 69 setHasOptionsMenu(true); 70 return view; 71 } 72 73 @Override onDestroy()74 public void onDestroy() { 75 super.onDestroy(); 76 mBinding.unbind(); 77 } 78 79 @Override onCreateOptionsMenu(Menu menu, MenuInflater inflater)80 public void onCreateOptionsMenu(Menu menu, MenuInflater inflater) { 81 super.onCreateOptionsMenu(menu, inflater); 82 inflater.inflate(R.menu.attachment_chooser_menu, menu); 83 } 84 85 @Override onOptionsItemSelected(MenuItem item)86 public boolean onOptionsItemSelected(MenuItem item) { 87 switch (item.getItemId()) { 88 case R.id.action_confirm_selection: 89 confirmSelection(); 90 return true; 91 92 default: 93 return super.onOptionsItemSelected(item); 94 } 95 } 96 97 @VisibleForTesting confirmSelection()98 void confirmSelection() { 99 if (mBinding.isBound()) { 100 mBinding.getData().removeExistingAttachments( 101 mAttachmentGridView.getUnselectedAttachments()); 102 mBinding.getData().saveToStorage(mBinding); 103 mHost.onConfirmSelection(); 104 } 105 } 106 setConversationId(final String conversationId)107 public void setConversationId(final String conversationId) { 108 mBinding.bind(DataModel.get().createDraftMessageData(conversationId)); 109 mBinding.getData().addListener(this); 110 mBinding.getData().loadFromStorage(mBinding, null, false); 111 } 112 setHost(final AttachmentChooserFragmentHost host)113 public void setHost(final AttachmentChooserFragmentHost host) { 114 mHost = host; 115 } 116 117 @Override onDraftChanged(final DraftMessageData data, final int changeFlags)118 public void onDraftChanged(final DraftMessageData data, final int changeFlags) { 119 mBinding.ensureBound(data); 120 if ((changeFlags & DraftMessageData.ATTACHMENTS_CHANGED) == 121 DraftMessageData.ATTACHMENTS_CHANGED) { 122 mAdapter.onAttachmentsLoaded(data.getReadOnlyAttachments()); 123 } 124 } 125 126 @Override onDraftAttachmentLimitReached(final DraftMessageData data)127 public void onDraftAttachmentLimitReached(final DraftMessageData data) { 128 // Do nothing since the user is in the process of unselecting attachments. 129 } 130 131 @Override onDraftAttachmentLoadFailed()132 public void onDraftAttachmentLoadFailed() { 133 // Do nothing since the user is in the process of unselecting attachments. 134 } 135 136 @Override displayPhoto(final Rect viewRect, final Uri photoUri)137 public void displayPhoto(final Rect viewRect, final Uri photoUri) { 138 final Uri imagesUri = MessagingContentProvider.buildDraftImagesUri( 139 mBinding.getData().getConversationId()); 140 UIIntents.get().launchFullScreenPhotoViewer( 141 getActivity(), photoUri, viewRect, imagesUri); 142 } 143 144 @Override updateSelectionCount(int count)145 public void updateSelectionCount(int count) { 146 if (getActivity() instanceof BugleActionBarActivity) { 147 final ActionBar actionBar = ((BugleActionBarActivity) getActivity()) 148 .getSupportActionBar(); 149 if (actionBar != null) { 150 actionBar.setTitle(getResources().getString( 151 R.string.attachment_chooser_selection, count)); 152 } 153 } 154 } 155 156 class AttachmentGridAdapter extends ArrayAdapter<MessagePartData> { AttachmentGridAdapter(final Context context)157 public AttachmentGridAdapter(final Context context) { 158 super(context, R.layout.attachment_grid_item_view, new ArrayList<MessagePartData>()); 159 } 160 onAttachmentsLoaded(final List<MessagePartData> attachments)161 public void onAttachmentsLoaded(final List<MessagePartData> attachments) { 162 clear(); 163 addAll(attachments); 164 notifyDataSetChanged(); 165 } 166 167 @Override getView(final int position, final View convertView, final ViewGroup parent)168 public View getView(final int position, final View convertView, final ViewGroup parent) { 169 AttachmentGridItemView itemView; 170 final MessagePartData item = getItem(position); 171 if (convertView != null && convertView instanceof AttachmentGridItemView) { 172 itemView = (AttachmentGridItemView) convertView; 173 } else { 174 final LayoutInflater inflater = (LayoutInflater) getContext() 175 .getSystemService(Context.LAYOUT_INFLATER_SERVICE); 176 itemView = (AttachmentGridItemView) inflater.inflate( 177 R.layout.attachment_grid_item_view, parent, false); 178 } 179 itemView.bind(item, mAttachmentGridView); 180 return itemView; 181 } 182 } 183 } 184