Home | History | Annotate | Download | only in dirlist 
      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.base.DocumentInfo.getCursorLong;
     20 import static com.android.documentsui.base.DocumentInfo.getCursorString;
     21 
     22 import android.annotation.ColorInt;
     23 import android.content.Context;
     24 import android.database.Cursor;
     25 import android.graphics.Rect;
     26 import android.provider.DocumentsContract.Document;
     27 import android.text.format.Formatter;
     28 import android.view.View;
     29 import android.view.ViewGroup;
     30 import android.widget.ImageView;
     31 import android.widget.TextView;
     32 
     33 import com.android.documentsui.R;
     34 import com.android.documentsui.base.DebugFlags;
     35 import com.android.documentsui.base.DocumentInfo;
     36 import com.android.documentsui.base.Events.InputEvent;
     37 import com.android.documentsui.base.Shared;
     38 import com.android.documentsui.roots.RootCursorWrapper;
     39 
     40 final class GridDocumentHolder extends DocumentHolder {
     41 
     42     final TextView mTitle;
     43     final TextView mDate;
     44     final TextView mDetails;
     45     final ImageView mIconMimeLg;
     46     final ImageView mIconMimeSm;
     47     final ImageView mIconThumb;
     48     final ImageView mIconCheck;
     49     final IconHelper mIconHelper;
     50 
     51     private final @ColorInt int mDisabledBgColor;
     52     private final @ColorInt int mDefaultBgColor;
     53     // This is used in as a convenience in our bind method.
     54     private final DocumentInfo mDoc = new DocumentInfo();
     55 
     56     public GridDocumentHolder(Context context, ViewGroup parent, IconHelper iconHelper) {
     57         super(context, parent, R.layout.item_doc_grid);
     58 
     59         mDisabledBgColor = context.getColor(R.color.item_doc_background_disabled);
     60         mDefaultBgColor = context.getColor(R.color.item_doc_background);
     61 
     62         mTitle = (TextView) itemView.findViewById(android.R.id.title);
     63         mDate = (TextView) itemView.findViewById(R.id.date);
     64         mDetails = (TextView) itemView.findViewById(R.id.details);
     65         mIconMimeLg = (ImageView) itemView.findViewById(R.id.icon_mime_lg);
     66         mIconMimeSm = (ImageView) itemView.findViewById(R.id.icon_mime_sm);
     67         mIconThumb = (ImageView) itemView.findViewById(R.id.icon_thumb);
     68         mIconCheck = (ImageView) itemView.findViewById(R.id.icon_check);
     69 
     70         mIconHelper = iconHelper;
     71     }
     72 
     73     @Override
     74     public void setSelected(boolean selected, boolean animate) {
     75         // We always want to make sure our check box disappears if we're not selected,
     76         // even if the item is disabled. This is because this object can be reused
     77         // and this method will be called to setup initial state.
     78         float checkAlpha = selected ? 1f : 0f;
     79         if (animate) {
     80             fade(mIconMimeSm, checkAlpha).start();
     81             fade(mIconCheck, checkAlpha).start();
     82         } else {
     83             mIconCheck.setAlpha(checkAlpha);
     84         }
     85 
     86         // But it should be an error to be set to selected && be disabled.
     87         if (!itemView.isEnabled()) {
     88             assert(!selected);
     89             return;
     90         }
     91 
     92         super.setSelected(selected, animate);
     93 
     94         if (animate) {
     95             fade(mIconMimeSm, 1f - checkAlpha).start();
     96         } else {
     97             mIconMimeSm.setAlpha(1f - checkAlpha);
     98         }
     99     }
    100 
    101     @Override
    102     public void setEnabled(boolean enabled) {
    103         super.setEnabled(enabled);
    104 
    105         // Text colors enabled/disabled is handle via a color set.
    106         itemView.setBackgroundColor(enabled ? mDefaultBgColor : mDisabledBgColor);
    107         float imgAlpha = enabled ? 1f : DISABLED_ALPHA;
    108 
    109         mIconMimeLg.setAlpha(imgAlpha);
    110         mIconMimeSm.setAlpha(imgAlpha);
    111         mIconThumb.setAlpha(imgAlpha);
    112     }
    113 
    114     @Override
    115     public boolean isInDragHotspot(InputEvent event) {
    116      // Entire grid box should be draggable
    117         return true;
    118     }
    119 
    120     @Override
    121     public boolean isOverDocIcon(InputEvent event) {
    122         Rect iconRect = new Rect();
    123         mIconMimeSm.getGlobalVisibleRect(iconRect);
    124 
    125         return iconRect.contains((int) event.getRawX(), (int) event.getRawY());
    126     }
    127 
    128     /**
    129      * Bind this view to the given document for display.
    130      * @param cursor Pointing to the item to be bound.
    131      * @param modelId The model ID of the item.
    132      */
    133     @Override
    134     public void bind(Cursor cursor, String modelId) {
    135         assert(cursor != null);
    136 
    137         mModelId = modelId;
    138 
    139         mDoc.updateFromCursor(cursor, getCursorString(cursor, RootCursorWrapper.COLUMN_AUTHORITY));
    140 
    141         mIconHelper.stopLoading(mIconThumb);
    142 
    143         mIconMimeLg.animate().cancel();
    144         mIconMimeLg.setAlpha(1f);
    145         mIconThumb.animate().cancel();
    146         mIconThumb.setAlpha(0f);
    147 
    148         mIconHelper.load(mDoc, mIconThumb, mIconMimeLg, mIconMimeSm);
    149 
    150         mTitle.setText(mDoc.displayName, TextView.BufferType.SPANNABLE);
    151         mTitle.setVisibility(View.VISIBLE);
    152 
    153         // If file is partial, we want to show summary field as that's more relevant than fileSize
    154         // and date
    155         if (mDoc.isPartial()) {
    156             final String docSummary = getCursorString(cursor, Document.COLUMN_SUMMARY);
    157             mDetails.setVisibility(View.VISIBLE);
    158             mDate.setText(null);
    159             mDetails.setText(docSummary);
    160         } else {
    161             if (mDoc.lastModified == -1) {
    162                 mDate.setText(null);
    163             } else {
    164                 mDate.setText(Shared.formatTime(mContext, mDoc.lastModified));
    165             }
    166 
    167             final long docSize = getCursorLong(cursor, Document.COLUMN_SIZE);
    168             if (mDoc.isDirectory() || docSize == -1) {
    169                 mDetails.setVisibility(View.GONE);
    170             } else {
    171                 mDetails.setVisibility(View.VISIBLE);
    172                 mDetails.setText(Formatter.formatFileSize(mContext, docSize));
    173             }
    174         }
    175     }
    176 }
    177