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.DevicePolicyResources.Drawables.Style.SOLID_COLORED;
20 import static com.android.documentsui.DevicePolicyResources.Drawables.WORK_PROFILE_ICON;
21 import static com.android.documentsui.base.DocumentInfo.getCursorInt;
22 import static com.android.documentsui.base.DocumentInfo.getCursorString;
23 
24 import android.app.admin.DevicePolicyManager;
25 import android.content.Context;
26 import android.database.Cursor;
27 import android.graphics.Rect;
28 import android.graphics.drawable.Drawable;
29 import android.os.Build;
30 import android.text.TextUtils;
31 import android.text.format.Formatter;
32 import android.util.Log;
33 import android.view.MotionEvent;
34 import android.view.View;
35 import android.view.ViewGroup;
36 import android.widget.ImageView;
37 import android.widget.LinearLayout;
38 import android.widget.TextView;
39 
40 import androidx.annotation.Nullable;
41 import androidx.annotation.RequiresApi;
42 
43 import com.android.documentsui.ConfigStore;
44 import com.android.documentsui.DocumentsApplication;
45 import com.android.documentsui.R;
46 import com.android.documentsui.base.DocumentInfo;
47 import com.android.documentsui.base.Lookup;
48 import com.android.documentsui.base.Shared;
49 import com.android.documentsui.base.State;
50 import com.android.documentsui.base.UserId;
51 import com.android.documentsui.roots.RootCursorWrapper;
52 import com.android.documentsui.ui.Views;
53 import com.android.modules.utils.build.SdkLevel;
54 
55 import java.util.ArrayList;
56 import java.util.Map;
57 import java.util.function.Function;
58 
59 final class ListDocumentHolder extends DocumentHolder {
60     private static final String TAG = "ListDocumentHolder";
61 
62     private final TextView mTitle;
63     private final @Nullable TextView mDate; // Non-null for tablets/sw720dp, null for other devices.
64     private final @Nullable TextView mSize; // Non-null for tablets/sw720dp, null for other devices.
65     private final @Nullable TextView mType; // Non-null for tablets/sw720dp, null for other devices.
66     // Container for date + size + summary, null only for tablets/sw720dp
67     private final @Nullable LinearLayout mDetails;
68     // TextView for date + size + summary, null only for tablets/sw720dp
69     private final @Nullable TextView mMetadataView;
70     private final ImageView mIconMime;
71     private final ImageView mIconThumb;
72     private final ImageView mIconCheck;
73     private final ImageView mIconBadge;
74     private final View mIconLayout;
75     final View mPreviewIcon;
76 
77     private final IconHelper mIconHelper;
78     private final Lookup<String, String> mFileTypeLookup;
79     // This is used in as a convenience in our bind method.
80     private final DocumentInfo mDoc;
81 
ListDocumentHolder(Context context, ViewGroup parent, IconHelper iconHelper, Lookup<String, String> fileTypeLookup, ConfigStore configStore)82     public ListDocumentHolder(Context context, ViewGroup parent, IconHelper iconHelper,
83             Lookup<String, String> fileTypeLookup, ConfigStore configStore) {
84         super(context, parent, R.layout.item_doc_list, configStore);
85 
86         mIconLayout = itemView.findViewById(R.id.icon);
87         mIconMime = (ImageView) itemView.findViewById(R.id.icon_mime);
88         mIconThumb = (ImageView) itemView.findViewById(R.id.icon_thumb);
89         mIconCheck = (ImageView) itemView.findViewById(R.id.icon_check);
90         mIconBadge = (ImageView) itemView.findViewById(R.id.icon_profile_badge);
91         mTitle = (TextView) itemView.findViewById(android.R.id.title);
92         mSize = (TextView) itemView.findViewById(R.id.size);
93         mDate = (TextView) itemView.findViewById(R.id.date);
94         mType = (TextView) itemView.findViewById(R.id.file_type);
95         mMetadataView = (TextView) itemView.findViewById(R.id.metadata);
96         // Warning: mDetails view doesn't exists in layout-sw720dp-land layout
97         mDetails = (LinearLayout) itemView.findViewById(R.id.line2);
98         mPreviewIcon = itemView.findViewById(R.id.preview_icon);
99 
100         mIconHelper = iconHelper;
101         mFileTypeLookup = fileTypeLookup;
102         mDoc = new DocumentInfo();
103 
104         if (SdkLevel.isAtLeastT() && !mConfigStore.isPrivateSpaceInDocsUIEnabled()) {
105             setUpdatableWorkProfileIcon(context);
106         }
107     }
108 
109     @RequiresApi(Build.VERSION_CODES.TIRAMISU)
setUpdatableWorkProfileIcon(Context context)110     private void setUpdatableWorkProfileIcon(Context context) {
111         DevicePolicyManager dpm = context.getSystemService(DevicePolicyManager.class);
112         Drawable drawable = dpm.getResources().getDrawable(WORK_PROFILE_ICON, SOLID_COLORED, () ->
113                 context.getDrawable(R.drawable.ic_briefcase));
114         mIconBadge.setImageDrawable(drawable);
115     }
116 
117     @Override
setSelected(boolean selected, boolean animate)118     public void setSelected(boolean selected, boolean animate) {
119         // We always want to make sure our check box disappears if we're not selected,
120         // even if the item is disabled. But it should be an error (see assert below)
121         // to be set to selected && be disabled.
122         float checkAlpha = selected ? 1f : 0f;
123         if (animate) {
124             fade(mIconCheck, checkAlpha).start();
125         } else {
126             mIconCheck.setAlpha(checkAlpha);
127         }
128 
129         if (!itemView.isEnabled()) {
130             assert (!selected);
131         }
132 
133         super.setSelected(selected, animate);
134 
135         if (animate) {
136             fade(mIconMime, 1f - checkAlpha).start();
137             fade(mIconThumb, 1f - checkAlpha).start();
138         } else {
139             mIconMime.setAlpha(1f - checkAlpha);
140             mIconThumb.setAlpha(1f - checkAlpha);
141         }
142     }
143 
144     @Override
setEnabled(boolean enabled)145     public void setEnabled(boolean enabled) {
146         super.setEnabled(enabled);
147 
148         // Text colors enabled/disabled is handle via a color set.
149         final float imgAlpha = enabled ? 1f : DISABLED_ALPHA;
150         mIconMime.setAlpha(imgAlpha);
151         mIconThumb.setAlpha(imgAlpha);
152     }
153 
154     @Override
bindPreviewIcon(boolean show, Function<View, Boolean> clickCallback)155     public void bindPreviewIcon(boolean show, Function<View, Boolean> clickCallback) {
156         if (mDoc.isDirectory()) {
157             mPreviewIcon.setVisibility(View.GONE);
158         } else {
159             mPreviewIcon.setVisibility(show ? View.VISIBLE : View.GONE);
160             if (show) {
161                 mPreviewIcon.setContentDescription(
162                         getPreviewIconContentDescription(
163                                 mIconHelper.shouldShowBadge(mDoc.userId.getIdentifier()),
164                                 mDoc.displayName, mDoc.userId));
165                 mPreviewIcon.setAccessibilityDelegate(
166                         new PreviewAccessibilityDelegate(clickCallback));
167             }
168         }
169     }
170 
171     @Override
bindBriefcaseIcon(boolean show)172     public void bindBriefcaseIcon(boolean show) {
173         mIconBadge.setVisibility(show ? View.VISIBLE : View.GONE);
174     }
175 
176     @Override
177     @RequiresApi(Build.VERSION_CODES.S)
bindProfileIcon(boolean show, int userIdIdentifier)178     public void bindProfileIcon(boolean show, int userIdIdentifier) {
179         Map<UserId, Drawable> userIdToBadgeMap = DocumentsApplication.getUserManagerState(
180                 mContext).getUserIdToBadgeMap();
181         Drawable drawable = userIdToBadgeMap.get(UserId.of(userIdIdentifier));
182         mIconBadge.setImageDrawable(drawable);
183         mIconBadge.setVisibility(show ? View.VISIBLE : View.GONE);
184         mIconBadge.setContentDescription(mIconHelper.getProfileLabel(userIdIdentifier));
185     }
186 
187     @Override
inDragRegion(MotionEvent event)188     public boolean inDragRegion(MotionEvent event) {
189         // If itemView is activated = selected, then whole region is interactive
190         if (itemView.isActivated()) {
191             return true;
192         }
193 
194         // Do everything in global coordinates - it makes things simpler.
195         int[] coords = new int[2];
196         mIconLayout.getLocationOnScreen(coords);
197 
198         Rect textBounds = new Rect();
199         mTitle.getPaint().getTextBounds(
200                 mTitle.getText().toString(), 0, mTitle.getText().length(), textBounds);
201 
202         Rect rect = new Rect(
203                 coords[0],
204                 coords[1],
205                 coords[0] + mIconLayout.getWidth() + textBounds.width(),
206                 coords[1] + Math.max(mIconLayout.getHeight(), textBounds.height()));
207 
208         // If the tap occurred inside icon or the text, these are interactive spots.
209         return rect.contains((int) event.getRawX(), (int) event.getRawY());
210     }
211 
212     @Override
inSelectRegion(MotionEvent event)213     public boolean inSelectRegion(MotionEvent event) {
214         return (mDoc.isDirectory() && !(mAction == State.ACTION_BROWSE)) ?
215                 false : Views.isEventOver(event, itemView.getParent(), mIconLayout);
216     }
217 
218     @Override
inPreviewIconRegion(MotionEvent event)219     public boolean inPreviewIconRegion(MotionEvent event) {
220         return Views.isEventOver(event, itemView.getParent(), mPreviewIcon);
221     }
222 
223     /**
224      * Bind this view to the given document for display.
225      *
226      * @param cursor  Pointing to the item to be bound.
227      * @param modelId The model ID of the item.
228      */
229     @Override
bind(Cursor cursor, String modelId)230     public void bind(Cursor cursor, String modelId) {
231         assert (cursor != null);
232 
233         mModelId = modelId;
234 
235         mDoc.updateFromCursor(cursor,
236                 UserId.of(getCursorInt(cursor, RootCursorWrapper.COLUMN_USER_ID)),
237                 getCursorString(cursor, RootCursorWrapper.COLUMN_AUTHORITY));
238 
239         mIconHelper.stopLoading(mIconThumb);
240 
241         mIconMime.animate().cancel();
242         mIconMime.setAlpha(1f);
243         mIconThumb.animate().cancel();
244         mIconThumb.setAlpha(0f);
245 
246         mIconHelper.load(mDoc, mIconThumb, mIconMime, null);
247 
248         mTitle.setText(mDoc.displayName, TextView.BufferType.SPANNABLE);
249         mTitle.setVisibility(View.VISIBLE);
250 
251         if (mDoc.isDirectory()) {
252             // Note, we don't show any details for any directory...ever.
253             if (mDetails != null) {
254                 // Non-tablets
255                 mDetails.setVisibility(View.GONE);
256             }
257         } else {
258             // For tablets metadata is provided in columns mDate, mSize, mType.
259             // For other devices mMetadataView consolidates the metadata info.
260             if (mMetadataView != null) {
261                 // Non-tablets
262                 boolean hasDetails = false;
263                 ArrayList<String> metadataList = new ArrayList<>();
264                 if (mDoc.lastModified > 0) {
265                     hasDetails = true;
266                     metadataList.add(Shared.formatTime(mContext, mDoc.lastModified));
267                 }
268                 if (mDoc.size > -1) {
269                     hasDetails = true;
270                     metadataList.add(Formatter.formatFileSize(mContext, mDoc.size));
271                 }
272                 metadataList.add(mFileTypeLookup.lookup(mDoc.mimeType));
273                 mMetadataView.setText(TextUtils.join(", ", metadataList));
274                 if (mDetails != null) {
275                     mDetails.setVisibility(hasDetails ? View.VISIBLE : View.GONE);
276                 } else {
277                     Log.w(TAG, "mDetails is unexpectedly null for non-tablet devices!");
278                 }
279             } else {
280                 // Tablets
281                 if (mDoc.lastModified > 0) {
282                     mDate.setVisibility(View.VISIBLE);
283                     mDate.setText(Shared.formatTime(mContext, mDoc.lastModified));
284                 } else {
285                     mDate.setVisibility(View.INVISIBLE);
286                 }
287                 if (mDoc.size > -1) {
288                     mSize.setVisibility(View.VISIBLE);
289                     mSize.setText(Formatter.formatFileSize(mContext, mDoc.size));
290                 } else {
291                     mSize.setVisibility(View.INVISIBLE);
292                 }
293                 mType.setText(mFileTypeLookup.lookup(mDoc.mimeType));
294             }
295         }
296 
297         // TODO: Add document debug info
298         // Call includeDebugInfo
299     }
300 }
301