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 */
16package com.android.messaging.ui;
17
18import android.content.Context;
19import android.content.res.Resources;
20import android.graphics.Rect;
21import android.net.Uri;
22import android.support.annotation.Nullable;
23import android.text.TextUtils;
24import android.view.LayoutInflater;
25import android.view.View;
26import android.view.View.OnClickListener;
27import android.view.View.OnLongClickListener;
28import android.view.ViewGroup;
29import android.widget.FrameLayout.LayoutParams;
30import android.widget.ImageView;
31import android.widget.TextView;
32
33import com.android.messaging.R;
34import com.android.messaging.datamodel.DataModel;
35import com.android.messaging.datamodel.data.MessagePartData;
36import com.android.messaging.datamodel.data.PendingAttachmentData;
37import com.android.messaging.datamodel.data.PersonItemData;
38import com.android.messaging.datamodel.data.VCardContactItemData;
39import com.android.messaging.datamodel.media.FileImageRequestDescriptor;
40import com.android.messaging.datamodel.media.ImageRequest;
41import com.android.messaging.datamodel.media.ImageRequestDescriptor;
42import com.android.messaging.datamodel.media.UriImageRequestDescriptor;
43import com.android.messaging.ui.MultiAttachmentLayout.OnAttachmentClickListener;
44import com.android.messaging.ui.PersonItemView.PersonItemViewListener;
45import com.android.messaging.util.Assert;
46import com.android.messaging.util.ContentType;
47import com.android.messaging.util.ImageUtils;
48import com.android.messaging.util.UiUtils;
49import com.android.messaging.util.UriUtil;
50
51/**
52 * A view factory that creates previews for single/multiple attachments.
53 */
54public class AttachmentPreviewFactory {
55    /** Standalone attachment preview */
56    public static final int TYPE_SINGLE = 1;
57
58    /** Attachment preview displayed in a multi-attachment layout */
59    public static final int TYPE_MULTIPLE = 2;
60
61    /** Attachment preview displayed in the attachment chooser grid view */
62    public static final int TYPE_CHOOSER_GRID = 3;
63
64    public static View createAttachmentPreview(final LayoutInflater layoutInflater,
65            final MessagePartData attachmentData, final ViewGroup parent,
66            final int viewType, final boolean startImageRequest,
67            @Nullable final OnAttachmentClickListener clickListener) {
68        final String contentType = attachmentData.getContentType();
69        View attachmentView = null;
70        if (attachmentData instanceof PendingAttachmentData) {
71            attachmentView = createPendingAttachmentPreview(layoutInflater, parent,
72                    (PendingAttachmentData) attachmentData);
73        } else if (ContentType.isImageType(contentType)) {
74            attachmentView = createImagePreview(layoutInflater, attachmentData, parent, viewType,
75                    startImageRequest);
76        } else if (ContentType.isAudioType(contentType)) {
77            attachmentView = createAudioPreview(layoutInflater, attachmentData, parent, viewType);
78        } else if (ContentType.isVideoType(contentType)) {
79            attachmentView = createVideoPreview(layoutInflater, attachmentData, parent, viewType);
80        } else if (ContentType.isVCardType(contentType)) {
81            attachmentView = createVCardPreview(layoutInflater, attachmentData, parent, viewType);
82        } else {
83            Assert.fail("unsupported attachment type: " + contentType);
84            return null;
85        }
86
87        // Some views have a caption, set the text/visibility if one exists
88        final TextView captionView = (TextView) attachmentView.findViewById(R.id.caption);
89        if (captionView != null) {
90            final String caption = attachmentData.getText();
91            captionView.setVisibility(TextUtils.isEmpty(caption) ? View.GONE : View.VISIBLE);
92            captionView.setText(caption);
93        }
94
95        if (attachmentView != null && clickListener != null) {
96            attachmentView.setOnClickListener(new OnClickListener() {
97                    @Override
98                    public void onClick(final View view) {
99                        final Rect bounds = UiUtils.getMeasuredBoundsOnScreen(view);
100                        clickListener.onAttachmentClick(attachmentData, bounds,
101                                false /* longPress */);
102                    }
103                });
104            attachmentView.setOnLongClickListener(new OnLongClickListener() {
105                    @Override
106                    public boolean onLongClick(final View view) {
107                        final Rect bounds = UiUtils.getMeasuredBoundsOnScreen(view);
108                        return clickListener.onAttachmentClick(attachmentData, bounds,
109                                true /* longPress */);
110                    }
111                });
112        }
113        return attachmentView;
114    }
115
116    public static MultiAttachmentLayout createMultiplePreview(final Context context,
117            final OnAttachmentClickListener listener) {
118        final MultiAttachmentLayout multiAttachmentLayout =
119                new MultiAttachmentLayout(context, null);
120        final ViewGroup.LayoutParams layoutParams = new ViewGroup.LayoutParams(
121                LayoutParams.MATCH_PARENT, LayoutParams.MATCH_PARENT);
122        multiAttachmentLayout.setLayoutParams(layoutParams);
123        multiAttachmentLayout.setOnAttachmentClickListener(listener);
124        return multiAttachmentLayout;
125    }
126
127    public static ImageRequestDescriptor getImageRequestDescriptorForAttachment(
128            final MessagePartData attachmentData, final int desiredWidth, final int desiredHeight) {
129        final Uri uri = attachmentData.getContentUri();
130        final String contentType = attachmentData.getContentType();
131        if (ContentType.isImageType(contentType)) {
132            final String filePath = UriUtil.getFilePathFromUri(uri);
133            if (filePath != null) {
134                return new FileImageRequestDescriptor(filePath, desiredWidth, desiredHeight,
135                        attachmentData.getWidth(), attachmentData.getHeight(),
136                        false /* canUseThumbnail */, true /* allowCompression */,
137                        false /* isStatic */);
138            } else {
139                return new UriImageRequestDescriptor(uri, desiredWidth, desiredHeight,
140                        attachmentData.getWidth(), attachmentData.getHeight(),
141                        true /* allowCompression */, false /* isStatic */, false /*cropToCircle*/,
142                        ImageUtils.DEFAULT_CIRCLE_BACKGROUND_COLOR /* circleBackgroundColor */,
143                        ImageUtils.DEFAULT_CIRCLE_STROKE_COLOR /* circleStrokeColor */);
144            }
145        }
146        return null;
147    }
148
149    private static View createImagePreview(final LayoutInflater layoutInflater,
150            final MessagePartData attachmentData, final ViewGroup parent,
151            final int viewType, final boolean startImageRequest) {
152        int layoutId = R.layout.attachment_single_image;
153        switch (viewType) {
154            case AttachmentPreviewFactory.TYPE_SINGLE:
155                layoutId = R.layout.attachment_single_image;
156                break;
157            case AttachmentPreviewFactory.TYPE_MULTIPLE:
158                layoutId = R.layout.attachment_multiple_image;
159                break;
160            case AttachmentPreviewFactory.TYPE_CHOOSER_GRID:
161                layoutId = R.layout.attachment_chooser_image;
162                break;
163            default:
164                Assert.fail("unsupported attachment view type!");
165                break;
166        }
167        final View view = layoutInflater.inflate(layoutId, parent, false /* attachToRoot */);
168        final AsyncImageView imageView = (AsyncImageView) view.findViewById(
169                R.id.attachment_image_view);
170        int maxWidth = imageView.getMaxWidth();
171        int maxHeight = imageView.getMaxHeight();
172        if (viewType == TYPE_CHOOSER_GRID) {
173            final Resources resources = layoutInflater.getContext().getResources();
174            maxWidth = maxHeight = resources.getDimensionPixelSize(
175                    R.dimen.attachment_grid_image_cell_size);
176        }
177        if (maxWidth <= 0 || maxWidth == Integer.MAX_VALUE) {
178            maxWidth = ImageRequest.UNSPECIFIED_SIZE;
179        }
180        if (maxHeight <= 0 || maxHeight == Integer.MAX_VALUE) {
181            maxHeight = ImageRequest.UNSPECIFIED_SIZE;
182        }
183        if (startImageRequest) {
184            imageView.setImageResourceId(getImageRequestDescriptorForAttachment(attachmentData,
185                    maxWidth, maxHeight));
186        }
187        imageView.setContentDescription(
188                parent.getResources().getString(R.string.message_image_content_description));
189        return view;
190    }
191
192    private static View createPendingAttachmentPreview(final LayoutInflater layoutInflater,
193            final ViewGroup parent, final PendingAttachmentData attachmentData) {
194        final View pendingItemView = layoutInflater.inflate(R.layout.attachment_pending_item,
195                parent, false);
196        final ImageView imageView = (ImageView)
197                pendingItemView.findViewById(R.id.pending_item_view);
198        final ViewGroup.LayoutParams layoutParams = imageView.getLayoutParams();
199        final int defaultSize = layoutInflater.getContext().getResources().getDimensionPixelSize(
200                R.dimen.pending_attachment_size);
201        layoutParams.width = attachmentData.getWidth() == MessagePartData.UNSPECIFIED_SIZE ?
202                defaultSize : attachmentData.getWidth();
203        layoutParams.height = attachmentData.getHeight() == MessagePartData.UNSPECIFIED_SIZE ?
204                defaultSize : attachmentData.getHeight();
205        return pendingItemView;
206    }
207
208    private static View createVCardPreview(final LayoutInflater layoutInflater,
209            final MessagePartData attachmentData, final ViewGroup parent,
210            final int viewType) {
211        int layoutId = R.layout.attachment_single_vcard;
212        switch (viewType) {
213            case AttachmentPreviewFactory.TYPE_SINGLE:
214                layoutId = R.layout.attachment_single_vcard;
215                break;
216            case AttachmentPreviewFactory.TYPE_MULTIPLE:
217                layoutId = R.layout.attachment_multiple_vcard;
218                break;
219            case AttachmentPreviewFactory.TYPE_CHOOSER_GRID:
220                layoutId = R.layout.attachment_chooser_vcard;
221                break;
222            default:
223                Assert.fail("unsupported attachment view type!");
224                break;
225        }
226        final View view = layoutInflater.inflate(layoutId, parent, false /* attachToRoot */);
227        final PersonItemView vcardPreview = (PersonItemView) view.findViewById(
228                R.id.vcard_attachment_view);
229        vcardPreview.setAvatarOnly(viewType != AttachmentPreviewFactory.TYPE_SINGLE);
230        vcardPreview.bind(DataModel.get().createVCardContactItemData(layoutInflater.getContext(),
231                attachmentData));
232        vcardPreview.setListener(new PersonItemViewListener() {
233            @Override
234            public void onPersonClicked(final PersonItemData data) {
235                Assert.isTrue(data instanceof VCardContactItemData);
236                final VCardContactItemData vCardData = (VCardContactItemData) data;
237                if (vCardData.hasValidVCard()) {
238                    final Uri vCardUri = vCardData.getVCardUri();
239                    UIIntents.get().launchVCardDetailActivity(vcardPreview.getContext(), vCardUri);
240                }
241            }
242
243            @Override
244            public boolean onPersonLongClicked(final PersonItemData data) {
245                return false;
246            }
247        });
248        return view;
249    }
250
251    private static View createAudioPreview(final LayoutInflater layoutInflater,
252                final MessagePartData attachmentData, final ViewGroup parent,
253                final int viewType) {
254        int layoutId = R.layout.attachment_single_audio;
255        switch (viewType) {
256            case AttachmentPreviewFactory.TYPE_SINGLE:
257                layoutId = R.layout.attachment_single_audio;
258                break;
259            case AttachmentPreviewFactory.TYPE_MULTIPLE:
260                layoutId = R.layout.attachment_multiple_audio;
261                break;
262            case AttachmentPreviewFactory.TYPE_CHOOSER_GRID:
263                layoutId = R.layout.attachment_chooser_audio;
264                break;
265            default:
266                Assert.fail("unsupported attachment view type!");
267                break;
268        }
269        final View view = layoutInflater.inflate(layoutId, parent, false /* attachToRoot */);
270        final AudioAttachmentView audioView = (AudioAttachmentView)
271                view.findViewById(R.id.audio_attachment_view);
272        audioView.bindMessagePartData(
273                attachmentData, false /* incoming */, false /* showAsSelected */);
274        return view;
275    }
276
277    private static View createVideoPreview(final LayoutInflater layoutInflater,
278            final MessagePartData attachmentData, final ViewGroup parent,
279            final int viewType) {
280        int layoutId = R.layout.attachment_single_video;
281        switch (viewType) {
282            case AttachmentPreviewFactory.TYPE_SINGLE:
283                layoutId = R.layout.attachment_single_video;
284                break;
285            case AttachmentPreviewFactory.TYPE_MULTIPLE:
286                layoutId = R.layout.attachment_multiple_video;
287                break;
288            case AttachmentPreviewFactory.TYPE_CHOOSER_GRID:
289                layoutId = R.layout.attachment_chooser_video;
290                break;
291            default:
292                Assert.fail("unsupported attachment view type!");
293                break;
294        }
295        final VideoThumbnailView videoThumbnail = (VideoThumbnailView) layoutInflater.inflate(
296                layoutId, parent, false /* attachToRoot */);
297        videoThumbnail.setSource(attachmentData, false /* incomingMessage */);
298        return videoThumbnail;
299    }
300}
301