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