SessionItem.java revision 995083b53be47e1e27133e403da0b63a03d07ea7 
1/*
2 * Copyright (C) 2014 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
17package com.android.camera.data;
18
19import android.content.Context;
20import android.graphics.Bitmap;
21import android.graphics.Point;
22import android.net.Uri;
23import android.view.View;
24import android.widget.ImageView;
25
26import com.android.camera.Storage;
27import com.android.camera.util.Size;
28import com.android.camera2.R;
29import com.bumptech.glide.Glide;
30import com.google.common.base.Optional;
31
32import java.util.Date;
33
34import javax.annotation.Nonnull;
35
36/**
37 * This is used to represent a local data item that is in progress and not
38 * yet in the media store.
39 */
40public class SessionItem implements FilmstripItem {
41    protected final Metadata mMetaData;
42    private FilmstripItemData mData;
43    private final FilmstripItemAttributes mAttributes;
44    private final Context mContext;
45    private final Uri mUri;
46
47    public SessionItem(Context context, Uri uri) {
48        mContext = context;
49        mUri = uri;
50
51        mMetaData = new Metadata();
52        mMetaData.setLoaded(true);
53
54        Date creationDate = new Date();
55        Size dimension = getSessionSize(uri);
56
57        mData = new FilmstripItemData.Builder(uri)
58              .withCreationDate(creationDate)
59              .withLastModifiedDate(creationDate)
60              .withDimensions(dimension)
61              .build();
62
63        mAttributes = new FilmstripItemAttributes.Builder()
64                .with(FilmstripItemAttributes.Attributes.IS_RENDERING)
65                .build();
66
67    }
68
69    private Size getSessionSize(Uri uri) {
70        Point size = Storage.getSizeForSession(uri);
71        return new Size(size.x, size.y);
72    }
73
74    @Override
75    public View getView(Optional<View> optionalView, LocalFilmstripDataAdapter adapter,
76          boolean isInProgress, VideoClickedCallback videoClickedCallback) {
77        ImageView imageView;
78
79        if (optionalView.isPresent()) {
80            imageView = (ImageView) optionalView.get();
81        } else {
82            imageView = new ImageView(mContext);
83            imageView.setTag(R.id.mediadata_tag_viewtype, getItemViewType().ordinal());
84        }
85
86        Optional<Bitmap> placeholder = Storage.getPlaceholderForSession(mData.getUri());
87        if (placeholder.isPresent()) {
88            imageView.setImageBitmap(placeholder.get());
89        } else {
90            imageView.setImageResource(GlideFilmstripManager.DEFAULT_PLACEHOLDER_RESOURCE);
91        }
92        imageView.setContentDescription(mContext.getResources().getString(
93                R.string.media_processing_content_description));
94        return imageView;
95    }
96
97    @Override
98    public FilmstripItemType getItemViewType() {
99        return FilmstripItemType.SESSION;
100    }
101
102    @Override
103    public void setSuggestedSize(int widthPx, int heightPx) { }
104
105    @Override
106    public void renderTiny(@Nonnull View view) { }
107
108    @Override
109    public void renderThumbnail(@Nonnull View view) { }
110
111    @Override
112    public void renderFullRes(@Nonnull View view) { }
113
114    @Override
115    public boolean delete() {
116        return false;
117    }
118
119    @Override
120    public Optional<MediaDetails> getMediaDetails() {
121        return Optional.absent();
122    }
123
124    @Override
125    public FilmstripItem refresh() {
126        Size dimension = getSessionSize(mData.getUri());
127
128        mData = FilmstripItemData.Builder.from(mData)
129              .withDimensions(dimension)
130              .build();
131
132        return this;
133    }
134
135    @Override
136    public Metadata getMetadata() {
137        return mMetaData;
138    }
139
140    @Override
141    public FilmstripItemData getData() {
142        return mData;
143    }
144
145    @Override
146    public FilmstripItemAttributes getAttributes() {
147        return mAttributes;
148    }
149
150    @Override
151    public Optional<Bitmap> generateThumbnail(int boundingWidthPx, int boundingHeightPx) {
152        return Storage.getPlaceholderForSession(mUri);
153    }
154
155    @Override
156    public void recycle(@Nonnull View view) {
157        Glide.clear(view);
158    }
159
160    @Override
161    public Size getDimensions() {
162        return mData.getDimensions();
163    }
164
165    @Override
166    public int getOrientation() {
167        return mData.getOrientation();
168    }
169}
170