MessageAttachmentTile.java revision 1aee17e324f204080baaabceb64f4edf73681542 
1/*
2 * Copyright (C) 2012 Google Inc.
3 * Licensed to The Android Open Source Project.
4 *
5 * Licensed under the Apache License, Version 2.0 (the "License");
6 * you may not use this file except in compliance with the License.
7 * You may obtain a copy of the License at
8 *
9 *      http://www.apache.org/licenses/LICENSE-2.0
10 *
11 * Unless required by applicable law or agreed to in writing, software
12 * distributed under the License is distributed on an "AS IS" BASIS,
13 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
14 * See the License for the specific language governing permissions and
15 * limitations under the License.
16 */
17
18package com.android.mail.browse;
19
20import android.app.FragmentManager;
21import android.content.ActivityNotFoundException;
22import android.content.Context;
23import android.content.Intent;
24import android.graphics.Bitmap;
25import android.net.Uri;
26import android.util.AttributeSet;
27import android.view.LayoutInflater;
28import android.view.View;
29import android.view.View.OnClickListener;
30import android.view.ViewGroup;
31import android.widget.ProgressBar;
32
33import com.android.ex.photo.Intents;
34import com.android.ex.photo.Intents.PhotoViewIntentBuilder;
35import com.android.ex.photo.util.ImageUtils;
36import com.android.mail.R;
37import com.android.mail.photo.MailPhotoViewActivity;
38import com.android.mail.providers.Attachment;
39import com.android.mail.providers.UIProvider;
40import com.android.mail.providers.UIProvider.AttachmentDestination;
41import com.android.mail.providers.UIProvider.AttachmentRendition;
42import com.android.mail.ui.AttachmentTile;
43import com.android.mail.ui.AttachmentTileGrid;
44import com.android.mail.utils.LogTag;
45import com.android.mail.utils.LogUtils;
46import com.android.mail.utils.Utils;
47
48import java.util.List;
49
50/**
51 * View for a single attachment in conversation view. Shows download status and allows launching
52 * intents to act on an attachment.
53 *
54 */
55public class MessageAttachmentTile extends AttachmentTile implements OnClickListener,
56        AttachmentViewInterface {
57
58    private int mPhotoIndex;
59    private Uri mAttachmentsListUri;
60    private View mTextContainer;
61
62    private final AttachmentActionHandler mActionHandler;
63    private ProgressBar mProgress;
64
65    private static final String LOG_TAG = LogTag.getLogTag();
66
67    public MessageAttachmentTile(Context context) {
68        this(context, null);
69    }
70
71    public MessageAttachmentTile(Context context, AttributeSet attrs) {
72        super(context, attrs);
73
74        mActionHandler = new AttachmentActionHandler(context, this);
75    }
76
77    public void initialize(FragmentManager fragmentManager) {
78        mActionHandler.initialize(fragmentManager);
79    }
80
81    /**
82     * Render or update an attachment's view. This happens immediately upon instantiation, and
83     * repeatedly as status updates stream in, so only properties with new or changed values will
84     * cause sub-views to update.
85     */
86    @Override
87    public void render(Attachment attachment, Uri attachmentsListUri, int index,
88            AttachmentPreviewCache attachmentPreviewCache, boolean loaderResult) {
89        super.render(attachment, attachmentsListUri, index, attachmentPreviewCache, loaderResult);
90
91        mAttachmentsListUri = attachmentsListUri;
92        mPhotoIndex = index;
93
94        mActionHandler.setAttachment(mAttachment);
95        mActionHandler.updateStatus(loaderResult);
96    }
97
98    public static MessageAttachmentTile inflate(LayoutInflater inflater, ViewGroup parent) {
99        MessageAttachmentTile view = (MessageAttachmentTile) inflater.inflate(
100                R.layout.conversation_message_attachment_tile, parent, false);
101        return view;
102    }
103
104
105    @Override
106    protected void onFinishInflate() {
107        super.onFinishInflate();
108
109        mTextContainer = findViewById(R.id.attachment_tile_text_container);
110        mProgress = (ProgressBar) findViewById(R.id.attachment_progress);
111
112        setOnClickListener(this);
113    }
114
115    @Override
116    public void onClick(View v) {
117        onClick(v.getId(), v);
118    }
119
120    private boolean onClick(int res, View v) {
121        mActionHandler.showAndDownloadAttachments();
122
123        return true;
124    }
125
126    @Override
127    public void viewAttachment() {
128        if (ImageUtils.isImageMimeType(Utils.normalizeMimeType(mAttachment.contentType))) {
129            final PhotoViewIntentBuilder builder =
130                    Intents.newPhotoViewIntentBuilder(getContext(), MailPhotoViewActivity.class);
131            builder
132                .setPhotosUri(mAttachmentsListUri.toString())
133                .setProjection(UIProvider.ATTACHMENT_PROJECTION)
134                .setPhotoIndex(mPhotoIndex);
135
136            getContext().startActivity(builder.build());
137            return;
138        }
139
140        Intent intent = new Intent(Intent.ACTION_VIEW);
141        intent.setFlags(Intent.FLAG_GRANT_READ_URI_PERMISSION
142                | Intent.FLAG_ACTIVITY_CLEAR_WHEN_TASK_RESET);
143        Utils.setIntentDataAndTypeAndNormalize(intent, mAttachment.contentUri,
144                mAttachment.contentType);
145        try {
146            getContext().startActivity(intent);
147        } catch (ActivityNotFoundException e) {
148            // couldn't find activity for View intent
149            LogUtils.e(LOG_TAG, "Coun't find Activity for intent", e);
150        }
151    }
152
153    @Override
154    public void updateProgress(boolean showDeterminateProgress) {
155        if (mAttachment.isDownloading()) {
156            mProgress.setMax(mAttachment.size);
157            mProgress.setProgress(mAttachment.downloadedSize);
158            mProgress.setIndeterminate(!showDeterminateProgress);
159            mProgress.setVisibility(VISIBLE);
160        } else {
161            mProgress.setVisibility(GONE);
162        }
163    }
164
165    @Override
166    public void onUpdateStatus() {
167    }
168
169    @Override
170    public void setThumbnailToDefault() {
171        super.setThumbnailToDefault();
172        mTextContainer.setVisibility(VISIBLE);
173    }
174
175    @Override
176    public void setThumbnail(Bitmap result) {
177        super.setThumbnail(result);
178        mTextContainer.setVisibility(GONE);
179    }
180
181    @Override
182    public List<Attachment> getAttachments() {
183        return ((AttachmentTileGrid) getParent()).getAttachments();
184    }
185
186    @Override
187    public void thumbnailLoadFailed() {
188        super.thumbnailLoadFailed();
189        mActionHandler.startDownloadingAttachment(
190                AttachmentDestination.CACHE, AttachmentRendition.SIMPLE);
191    }
192}
193