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      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 
     17 package com.android.documentsui.dirlist;
     18 
     19 import static com.android.documentsui.model.DocumentInfo.getCursorInt;
     20 import static com.android.documentsui.model.DocumentInfo.getCursorLong;
     21 import static com.android.documentsui.model.DocumentInfo.getCursorString;
     22 
     23 import android.content.Context;
     24 import android.database.Cursor;
     25 import android.net.Uri;
     26 import android.provider.DocumentsContract;
     27 import android.provider.DocumentsContract.Document;
     28 import android.text.format.Formatter;
     29 import android.view.View;
     30 import android.view.ViewGroup;
     31 import android.widget.ImageView;
     32 import android.widget.LinearLayout;
     33 import android.widget.TextView;
     34 
     35 import com.android.documentsui.R;
     36 import com.android.documentsui.RootCursorWrapper;
     37 import com.android.documentsui.Shared;
     38 import com.android.documentsui.State;
     39 
     40 final class ListDocumentHolder extends DocumentHolder {
     41     final TextView mTitle;
     42     final LinearLayout mDetails;  // Container of date/size/summary
     43     final TextView mDate;
     44     final TextView mSize;
     45     final TextView mSummary;
     46     final ImageView mIconMime;
     47     final ImageView mIconThumb;
     48     final ImageView mIconCheck;
     49     final IconHelper mIconHelper;
     50 
     51     public ListDocumentHolder(Context context, ViewGroup parent, IconHelper iconHelper) {
     52         super(context, parent, R.layout.item_doc_list);
     53 
     54         mTitle = (TextView) itemView.findViewById(android.R.id.title);
     55         mDate = (TextView) itemView.findViewById(R.id.date);
     56         mSize = (TextView) itemView.findViewById(R.id.size);
     57         mSummary = (TextView) itemView.findViewById(android.R.id.summary);
     58         mIconMime = (ImageView) itemView.findViewById(R.id.icon_mime);
     59         mIconThumb = (ImageView) itemView.findViewById(R.id.icon_thumb);
     60         mIconCheck = (ImageView) itemView.findViewById(R.id.icon_check);
     61         // Warning: mDetails view doesn't exists in layout-sw720dp-land layout
     62         mDetails = (LinearLayout) itemView.findViewById(R.id.line2);
     63 
     64         mIconHelper = iconHelper;
     65     }
     66 
     67     @Override
     68     public void setSelected(boolean selected, boolean animate) {
     69         // We always want to make sure our check box disappears if we're not selected,
     70         // even if the item is disabled. But it should be an error (see assert below)
     71         // to be set to selected && be disabled.
     72         float checkAlpha = selected ? 1f : 0f;
     73         if (animate) {
     74             mIconCheck.animate().alpha(checkAlpha).start();
     75         } else {
     76             mIconCheck.setAlpha(checkAlpha);
     77         }
     78 
     79         if (!itemView.isEnabled()) {
     80             assert(!selected);
     81             return;
     82         }
     83 
     84         super.setSelected(selected, animate);
     85 
     86         if (animate) {
     87             mIconMime.animate().alpha(1f - checkAlpha).start();
     88             mIconThumb.animate().alpha(1f - checkAlpha).start();
     89         } else {
     90             mIconMime.setAlpha(1f - checkAlpha);
     91             mIconThumb.setAlpha(1f - checkAlpha);
     92         }
     93     }
     94 
     95     @Override
     96     public void setEnabled(boolean enabled) {
     97         super.setEnabled(enabled);
     98 
     99         // Text colors enabled/disabled is handle via a color set.
    100         final float imgAlpha = enabled ? 1f : DISABLED_ALPHA;
    101         mIconMime.setAlpha(imgAlpha);
    102         mIconThumb.setAlpha(imgAlpha);
    103     }
    104 
    105     /**
    106      * Bind this view to the given document for display.
    107      * @param cursor Pointing to the item to be bound.
    108      * @param modelId The model ID of the item.
    109      * @param state Current display state.
    110      */
    111     @Override
    112     public void bind(Cursor cursor, String modelId, State state) {
    113         assert(cursor != null);
    114 
    115         this.modelId = modelId;
    116 
    117         final String docAuthority = getCursorString(cursor, RootCursorWrapper.COLUMN_AUTHORITY);
    118         final String docId = getCursorString(cursor, Document.COLUMN_DOCUMENT_ID);
    119         final String docMimeType = getCursorString(cursor, Document.COLUMN_MIME_TYPE);
    120         final String docDisplayName = getCursorString(cursor, Document.COLUMN_DISPLAY_NAME);
    121         final long docLastModified = getCursorLong(cursor, Document.COLUMN_LAST_MODIFIED);
    122         final int docIcon = getCursorInt(cursor, Document.COLUMN_ICON);
    123         final int docFlags = getCursorInt(cursor, Document.COLUMN_FLAGS);
    124         final String docSummary = getCursorString(cursor, Document.COLUMN_SUMMARY);
    125         final long docSize = getCursorLong(cursor, Document.COLUMN_SIZE);
    126         final boolean isDirectory = Document.MIME_TYPE_DIR.equals(docMimeType);
    127 
    128         mIconHelper.stopLoading(mIconThumb);
    129 
    130         mIconMime.animate().cancel();
    131         mIconMime.setAlpha(1f);
    132         mIconThumb.animate().cancel();
    133         mIconThumb.setAlpha(0f);
    134 
    135         final Uri uri = DocumentsContract.buildDocumentUri(docAuthority, docId);
    136         mIconHelper.loadThumbnail(uri, docMimeType, docFlags, docIcon, mIconThumb, mIconMime, null);
    137 
    138         mTitle.setText(docDisplayName, TextView.BufferType.SPANNABLE);
    139         mTitle.setVisibility(View.VISIBLE);
    140 
    141 
    142         boolean hasDetails = false;
    143         if (isDirectory) {
    144             // Note, we don't show any details for any directory...ever.
    145             hasDetails = false;
    146         } else {
    147             if (docSummary != null) {
    148                 hasDetails = true;
    149                 mSummary.setText(docSummary);
    150                 mSummary.setVisibility(View.VISIBLE);
    151             } else {
    152                 mSummary.setVisibility(View.INVISIBLE);
    153             }
    154 
    155             if (docLastModified > 0) {
    156                 hasDetails = true;
    157                 mDate.setText(Shared.formatTime(mContext, docLastModified));
    158             } else {
    159                 mDate.setText(null);
    160             }
    161 
    162             if (state.showSize && docSize > -1) {
    163                 hasDetails = true;
    164                 mSize.setVisibility(View.VISIBLE);
    165                 mSize.setText(Formatter.formatFileSize(mContext, docSize));
    166             } else {
    167                 mSize.setVisibility(View.GONE);
    168             }
    169         }
    170 
    171         // mDetails view doesn't exists in layout-sw720dp-land layout
    172         if (mDetails != null) {
    173             mDetails.setVisibility(hasDetails ? View.VISIBLE : View.GONE);
    174         }
    175     }
    176 }
    177