MessageAttachmentTile.java revision 90528f425e09a72b1505c3a1066051ab5a3a67b4 
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.ui.AttachmentTile;
41import com.android.mail.ui.AttachmentTileGrid;
42import com.android.mail.ui.AttachmentTile.AttachmentPreviewCache;
43import com.android.mail.utils.LogTag;
44import com.android.mail.utils.LogUtils;
45import com.android.mail.utils.Utils;
46
47import java.util.List;
48
49/**
50 * View for a single attachment in conversation view. Shows download status and allows launching
51 * intents to act on an attachment.
52 *
53 */
54public class MessageAttachmentTile extends AttachmentTile implements OnClickListener,
55        AttachmentViewInterface {
56
57    private int mPhotoIndex;
58    private Uri mAttachmentsListUri;
59    private View mTextContainer;
60
61    private final AttachmentActionHandler mActionHandler;
62    private ProgressBar mProgress;
63
64    private static final String LOG_TAG = LogTag.getLogTag();
65
66    public MessageAttachmentTile(Context context) {
67        this(context, null);
68    }
69
70    public MessageAttachmentTile(Context context, AttributeSet attrs) {
71        super(context, attrs);
72
73        mActionHandler = new AttachmentActionHandler(context, this);
74    }
75
76    public void initialize(FragmentManager fragmentManager) {
77        mActionHandler.initialize(fragmentManager);
78    }
79
80    /**
81     * Render or update an attachment's view. This happens immediately upon instantiation, and
82     * repeatedly as status updates stream in, so only properties with new or changed values will
83     * cause sub-views to update.
84     */
85    @Override
86    public void render(Attachment attachment, Uri attachmentsListUri, int index,
87            AttachmentPreviewCache attachmentPreviewCache, boolean loaderResult) {
88        super.render(attachment, attachmentsListUri, index, attachmentPreviewCache, loaderResult);
89
90        mAttachmentsListUri = attachmentsListUri;
91        mPhotoIndex = index;
92
93        mActionHandler.setAttachment(mAttachment);
94        mActionHandler.updateStatus(loaderResult);
95    }
96
97    public static MessageAttachmentTile inflate(LayoutInflater inflater, ViewGroup parent) {
98        MessageAttachmentTile view = (MessageAttachmentTile) inflater.inflate(
99                R.layout.conversation_message_attachment_tile, parent, false);
100        return view;
101    }
102
103
104    @Override
105    protected void onFinishInflate() {
106        super.onFinishInflate();
107
108        mTextContainer = findViewById(R.id.attachment_tile_text_container);
109        mProgress = (ProgressBar) findViewById(R.id.attachment_progress);
110
111        setOnClickListener(this);
112    }
113
114    @Override
115    public void onClick(View v) {
116        onClick(v.getId(), v);
117    }
118
119    private boolean onClick(int res, View v) {
120        mActionHandler.showAndDownloadAttachments();
121
122        return true;
123    }
124
125    public void viewAttachment() {
126        if (ImageUtils.isImageMimeType(Utils.normalizeMimeType(mAttachment.contentType))) {
127            final PhotoViewIntentBuilder builder =
128                    Intents.newPhotoViewIntentBuilder(getContext(), MailPhotoViewActivity.class);
129            builder
130                .setPhotosUri(mAttachmentsListUri.toString())
131                .setProjection(UIProvider.ATTACHMENT_PROJECTION)
132                .setPhotoIndex(mPhotoIndex);
133
134            getContext().startActivity(builder.build());
135            return;
136        }
137
138        Intent intent = new Intent(Intent.ACTION_VIEW);
139        intent.setFlags(Intent.FLAG_GRANT_READ_URI_PERMISSION
140                | Intent.FLAG_ACTIVITY_CLEAR_WHEN_TASK_RESET);
141        Utils.setIntentDataAndTypeAndNormalize(intent, mAttachment.contentUri,
142                mAttachment.contentType);
143        try {
144            getContext().startActivity(intent);
145        } catch (ActivityNotFoundException e) {
146            // couldn't find activity for View intent
147            LogUtils.e(LOG_TAG, "Coun't find Activity for intent", e);
148        }
149    }
150
151    public void updateProgress(boolean showDeterminateProgress) {
152        if (mAttachment.isDownloading()) {
153            mProgress.setMax(mAttachment.size);
154            mProgress.setProgress(mAttachment.downloadedSize);
155            mProgress.setIndeterminate(!showDeterminateProgress);
156            mProgress.setVisibility(VISIBLE);
157        } else {
158            mProgress.setVisibility(GONE);
159        }
160    }
161
162    public void onUpdateStatus() {
163    }
164
165    @Override
166    public void setThumbnailToDefault() {
167        super.setThumbnailToDefault();
168        mTextContainer.setVisibility(VISIBLE);
169    }
170
171    @Override
172    public void setThumbnail(Bitmap result) {
173        super.setThumbnail(result);
174        mTextContainer.setVisibility(GONE);
175    }
176
177    @Override
178    public List<Attachment> getAttachments() {
179        return ((AttachmentTileGrid) getParent()).getAttachments();
180    }
181}
182