Steve McKay | 74956af | 2016-06-30 21:03:06 -0700 | [diff] [blame] | 1 | /* |
| 2 | * Copyright (C) 2016 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 | |
Steve McKay | d9caa6a | 2016-09-15 16:36:45 -0700 | [diff] [blame] | 19 | import static com.android.documentsui.base.Shared.DEBUG; |
Steve McKay | 30535bc | 2016-11-04 14:16:58 -0700 | [diff] [blame] | 20 | import static com.android.documentsui.base.Shared.VERBOSE; |
Steve McKay | 2d1e4a3 | 2016-07-13 13:03:16 -0700 | [diff] [blame] | 21 | |
| 22 | import android.support.annotation.VisibleForTesting; |
| 23 | import android.util.Log; |
Steve McKay | 74956af | 2016-06-30 21:03:06 -0700 | [diff] [blame] | 24 | import android.view.GestureDetector; |
| 25 | import android.view.KeyEvent; |
| 26 | import android.view.MotionEvent; |
| 27 | |
Steve McKay | 6d20d19 | 2016-09-21 17:57:10 -0700 | [diff] [blame] | 28 | import com.android.documentsui.ActionHandler; |
Steve McKay | bff980a | 2016-09-13 17:39:50 -0700 | [diff] [blame] | 29 | import com.android.documentsui.base.EventHandler; |
Steve McKay | d9caa6a | 2016-09-15 16:36:45 -0700 | [diff] [blame] | 30 | import com.android.documentsui.base.Events; |
| 31 | import com.android.documentsui.base.Events.InputEvent; |
Steve McKay | 4f78ba6 | 2016-10-04 16:48:49 -0700 | [diff] [blame] | 32 | import com.android.documentsui.selection.SelectionManager; |
Steve McKay | 74956af | 2016-06-30 21:03:06 -0700 | [diff] [blame] | 33 | |
Steve McKay | 1597e94 | 2016-09-09 11:54:05 -0700 | [diff] [blame] | 34 | import java.util.Collections; |
Steve McKay | 74956af | 2016-06-30 21:03:06 -0700 | [diff] [blame] | 35 | import java.util.function.Function; |
| 36 | import java.util.function.Predicate; |
| 37 | |
Steve McKay | bde20e1 | 2016-09-08 19:12:54 -0700 | [diff] [blame] | 38 | import javax.annotation.Nullable; |
| 39 | |
Steve McKay | 74956af | 2016-06-30 21:03:06 -0700 | [diff] [blame] | 40 | /** |
| 41 | * Grand unified-ish gesture/event listener for items in the directory list. |
| 42 | */ |
Steve McKay | 2d1e4a3 | 2016-07-13 13:03:16 -0700 | [diff] [blame] | 43 | public final class UserInputHandler<T extends InputEvent> |
| 44 | extends GestureDetector.SimpleOnGestureListener |
Steve McKay | 5fd0cbc | 2016-08-08 15:35:34 -0700 | [diff] [blame] | 45 | implements DocumentHolder.KeyboardEventListener { |
Steve McKay | 74956af | 2016-06-30 21:03:06 -0700 | [diff] [blame] | 46 | |
Steve McKay | 2d1e4a3 | 2016-07-13 13:03:16 -0700 | [diff] [blame] | 47 | private static final String TAG = "UserInputHandler"; |
| 48 | |
Steve McKay | bd9f05a | 2016-10-10 10:18:36 -0700 | [diff] [blame] | 49 | private ActionHandler mActions; |
Steve McKay | 74956af | 2016-06-30 21:03:06 -0700 | [diff] [blame] | 50 | private final FocusHandler mFocusHandler; |
Steve McKay | 4f78ba6 | 2016-10-04 16:48:49 -0700 | [diff] [blame] | 51 | private final SelectionManager mSelectionMgr; |
Steve McKay | 2d1e4a3 | 2016-07-13 13:03:16 -0700 | [diff] [blame] | 52 | private final Function<MotionEvent, T> mEventConverter; |
Steve McKay | 74956af | 2016-06-30 21:03:06 -0700 | [diff] [blame] | 53 | private final Predicate<DocumentDetails> mSelectable; |
Steve McKay | 6d20d19 | 2016-09-21 17:57:10 -0700 | [diff] [blame] | 54 | |
Ben Lin | aa66c43 | 2016-10-12 12:11:24 -0700 | [diff] [blame] | 55 | private final EventHandler<InputEvent> mContextMenuClickHandler; |
Steve McKay | 6d20d19 | 2016-09-21 17:57:10 -0700 | [diff] [blame] | 56 | |
Garfield Tan | 84bd0f1 | 2016-09-12 14:18:32 -0700 | [diff] [blame] | 57 | private final EventHandler<InputEvent> mTouchDragListener; |
| 58 | private final EventHandler<InputEvent> mGestureSelectHandler; |
Steve McKay | 990f76e | 2016-09-16 12:36:58 -0700 | [diff] [blame] | 59 | |
Steve McKay | 74956af | 2016-06-30 21:03:06 -0700 | [diff] [blame] | 60 | private final TouchInputDelegate mTouchDelegate; |
| 61 | private final MouseInputDelegate mMouseDelegate; |
Steve McKay | 2d1e4a3 | 2016-07-13 13:03:16 -0700 | [diff] [blame] | 62 | private final KeyInputHandler mKeyListener; |
Steve McKay | 74956af | 2016-06-30 21:03:06 -0700 | [diff] [blame] | 63 | |
| 64 | public UserInputHandler( |
Steve McKay | bd9f05a | 2016-10-10 10:18:36 -0700 | [diff] [blame] | 65 | ActionHandler actions, |
Steve McKay | 74956af | 2016-06-30 21:03:06 -0700 | [diff] [blame] | 66 | FocusHandler focusHandler, |
Steve McKay | 4f78ba6 | 2016-10-04 16:48:49 -0700 | [diff] [blame] | 67 | SelectionManager selectionMgr, |
Steve McKay | 2d1e4a3 | 2016-07-13 13:03:16 -0700 | [diff] [blame] | 68 | Function<MotionEvent, T> eventConverter, |
Steve McKay | 74956af | 2016-06-30 21:03:06 -0700 | [diff] [blame] | 69 | Predicate<DocumentDetails> selectable, |
Ben Lin | aa66c43 | 2016-10-12 12:11:24 -0700 | [diff] [blame] | 70 | EventHandler<InputEvent> contextMenuClickHandler, |
Garfield Tan | 84bd0f1 | 2016-09-12 14:18:32 -0700 | [diff] [blame] | 71 | EventHandler<InputEvent> touchDragListener, |
| 72 | EventHandler<InputEvent> gestureSelectHandler) { |
Steve McKay | 74956af | 2016-06-30 21:03:06 -0700 | [diff] [blame] | 73 | |
Steve McKay | bd9f05a | 2016-10-10 10:18:36 -0700 | [diff] [blame] | 74 | mActions = actions; |
Steve McKay | 74956af | 2016-06-30 21:03:06 -0700 | [diff] [blame] | 75 | mFocusHandler = focusHandler; |
Steve McKay | 6d20d19 | 2016-09-21 17:57:10 -0700 | [diff] [blame] | 76 | mSelectionMgr = selectionMgr; |
Steve McKay | 74956af | 2016-06-30 21:03:06 -0700 | [diff] [blame] | 77 | mEventConverter = eventConverter; |
Steve McKay | 74956af | 2016-06-30 21:03:06 -0700 | [diff] [blame] | 78 | mSelectable = selectable; |
Ben Lin | aa66c43 | 2016-10-12 12:11:24 -0700 | [diff] [blame] | 79 | mContextMenuClickHandler = contextMenuClickHandler; |
Steve McKay | f0fceb4 | 2016-09-07 17:35:55 -0700 | [diff] [blame] | 80 | mTouchDragListener = touchDragListener; |
Ben Lin | 40f4488 | 2016-08-04 10:42:59 -0700 | [diff] [blame] | 81 | mGestureSelectHandler = gestureSelectHandler; |
Steve McKay | 74956af | 2016-06-30 21:03:06 -0700 | [diff] [blame] | 82 | |
| 83 | mTouchDelegate = new TouchInputDelegate(); |
| 84 | mMouseDelegate = new MouseInputDelegate(); |
Steve McKay | 2d1e4a3 | 2016-07-13 13:03:16 -0700 | [diff] [blame] | 85 | mKeyListener = new KeyInputHandler(); |
Steve McKay | 74956af | 2016-06-30 21:03:06 -0700 | [diff] [blame] | 86 | } |
| 87 | |
| 88 | @Override |
Ben Lin | dbcccd6 | 2016-08-05 16:47:22 -0700 | [diff] [blame] | 89 | public boolean onDown(MotionEvent e) { |
| 90 | try (T event = mEventConverter.apply(e)) { |
| 91 | return onDown(event); |
| 92 | } |
| 93 | } |
| 94 | |
| 95 | @VisibleForTesting |
| 96 | boolean onDown(T event) { |
| 97 | return event.isMouseEvent() |
| 98 | ? mMouseDelegate.onDown(event) |
| 99 | : mTouchDelegate.onDown(event); |
| 100 | } |
| 101 | |
| 102 | @Override |
Ben Lin | 35f99e0 | 2016-08-31 12:46:04 -0700 | [diff] [blame] | 103 | public boolean onScroll(MotionEvent e1, MotionEvent e2, |
| 104 | float distanceX, float distanceY) { |
| 105 | try (T event = mEventConverter.apply(e2)) { |
| 106 | return onScroll(event); |
| 107 | } |
| 108 | } |
| 109 | |
| 110 | @VisibleForTesting |
| 111 | boolean onScroll(T event) { |
| 112 | return event.isMouseEvent() |
| 113 | ? mMouseDelegate.onScroll(event) |
| 114 | : mTouchDelegate.onScroll(event); |
| 115 | } |
| 116 | |
| 117 | @Override |
Steve McKay | 74956af | 2016-06-30 21:03:06 -0700 | [diff] [blame] | 118 | public boolean onSingleTapUp(MotionEvent e) { |
Steve McKay | 2d1e4a3 | 2016-07-13 13:03:16 -0700 | [diff] [blame] | 119 | try (T event = mEventConverter.apply(e)) { |
| 120 | return onSingleTapUp(event); |
Steve McKay | 74956af | 2016-06-30 21:03:06 -0700 | [diff] [blame] | 121 | } |
| 122 | } |
| 123 | |
Steve McKay | 2d1e4a3 | 2016-07-13 13:03:16 -0700 | [diff] [blame] | 124 | @VisibleForTesting |
| 125 | boolean onSingleTapUp(T event) { |
| 126 | return event.isMouseEvent() |
| 127 | ? mMouseDelegate.onSingleTapUp(event) |
| 128 | : mTouchDelegate.onSingleTapUp(event); |
| 129 | } |
| 130 | |
Steve McKay | 74956af | 2016-06-30 21:03:06 -0700 | [diff] [blame] | 131 | @Override |
| 132 | public boolean onSingleTapConfirmed(MotionEvent e) { |
Steve McKay | 2d1e4a3 | 2016-07-13 13:03:16 -0700 | [diff] [blame] | 133 | try (T event = mEventConverter.apply(e)) { |
| 134 | return onSingleTapConfirmed(event); |
Steve McKay | 74956af | 2016-06-30 21:03:06 -0700 | [diff] [blame] | 135 | } |
| 136 | } |
| 137 | |
Steve McKay | 2d1e4a3 | 2016-07-13 13:03:16 -0700 | [diff] [blame] | 138 | @VisibleForTesting |
| 139 | boolean onSingleTapConfirmed(T event) { |
| 140 | return event.isMouseEvent() |
| 141 | ? mMouseDelegate.onSingleTapConfirmed(event) |
| 142 | : mTouchDelegate.onSingleTapConfirmed(event); |
| 143 | } |
| 144 | |
Steve McKay | 74956af | 2016-06-30 21:03:06 -0700 | [diff] [blame] | 145 | @Override |
| 146 | public boolean onDoubleTap(MotionEvent e) { |
Steve McKay | 2d1e4a3 | 2016-07-13 13:03:16 -0700 | [diff] [blame] | 147 | try (T event = mEventConverter.apply(e)) { |
| 148 | return onDoubleTap(event); |
Steve McKay | 74956af | 2016-06-30 21:03:06 -0700 | [diff] [blame] | 149 | } |
| 150 | } |
| 151 | |
Steve McKay | 2d1e4a3 | 2016-07-13 13:03:16 -0700 | [diff] [blame] | 152 | @VisibleForTesting |
| 153 | boolean onDoubleTap(T event) { |
| 154 | return event.isMouseEvent() |
| 155 | ? mMouseDelegate.onDoubleTap(event) |
| 156 | : mTouchDelegate.onDoubleTap(event); |
| 157 | } |
| 158 | |
Steve McKay | 74956af | 2016-06-30 21:03:06 -0700 | [diff] [blame] | 159 | @Override |
| 160 | public void onLongPress(MotionEvent e) { |
Steve McKay | 2d1e4a3 | 2016-07-13 13:03:16 -0700 | [diff] [blame] | 161 | try (T event = mEventConverter.apply(e)) { |
| 162 | onLongPress(event); |
Steve McKay | 74956af | 2016-06-30 21:03:06 -0700 | [diff] [blame] | 163 | } |
| 164 | } |
| 165 | |
Steve McKay | 2d1e4a3 | 2016-07-13 13:03:16 -0700 | [diff] [blame] | 166 | @VisibleForTesting |
| 167 | void onLongPress(T event) { |
| 168 | if (event.isMouseEvent()) { |
| 169 | mMouseDelegate.onLongPress(event); |
Steve McKay | bde20e1 | 2016-09-08 19:12:54 -0700 | [diff] [blame] | 170 | } else { |
| 171 | mTouchDelegate.onLongPress(event); |
Steve McKay | 2d1e4a3 | 2016-07-13 13:03:16 -0700 | [diff] [blame] | 172 | } |
Steve McKay | 2d1e4a3 | 2016-07-13 13:03:16 -0700 | [diff] [blame] | 173 | } |
| 174 | |
Ben Lin | dbcccd6 | 2016-08-05 16:47:22 -0700 | [diff] [blame] | 175 | // Only events from RecyclerView are fed into UserInputHandler#onDown. |
| 176 | // ListeningGestureDetector#onTouch directly calls this method to support context menu in empty |
| 177 | // view |
| 178 | boolean onRightClick(MotionEvent e) { |
Steve McKay | 2d1e4a3 | 2016-07-13 13:03:16 -0700 | [diff] [blame] | 179 | try (T event = mEventConverter.apply(e)) { |
Ben Lin | dbcccd6 | 2016-08-05 16:47:22 -0700 | [diff] [blame] | 180 | return mMouseDelegate.onRightClick(event); |
Steve McKay | 2d1e4a3 | 2016-07-13 13:03:16 -0700 | [diff] [blame] | 181 | } |
| 182 | } |
| 183 | |
| 184 | @Override |
| 185 | public boolean onKey(DocumentHolder doc, int keyCode, KeyEvent event) { |
| 186 | return mKeyListener.onKey(doc, keyCode, event); |
| 187 | } |
| 188 | |
Steve McKay | 2d1e4a3 | 2016-07-13 13:03:16 -0700 | [diff] [blame] | 189 | private boolean selectDocument(DocumentDetails doc) { |
| 190 | assert(doc != null); |
Steve McKay | bde20e1 | 2016-09-08 19:12:54 -0700 | [diff] [blame] | 191 | assert(doc.hasModelId()); |
Steve McKay | 74956af | 2016-06-30 21:03:06 -0700 | [diff] [blame] | 192 | mSelectionMgr.toggleSelection(doc.getModelId()); |
| 193 | mSelectionMgr.setSelectionRangeBegin(doc.getAdapterPosition()); |
| 194 | return true; |
| 195 | } |
| 196 | |
Steve McKay | bde20e1 | 2016-09-08 19:12:54 -0700 | [diff] [blame] | 197 | private void extendSelectionRange(DocumentDetails doc) { |
| 198 | mSelectionMgr.snapRangeSelection(doc.getAdapterPosition()); |
| 199 | } |
| 200 | |
Steve McKay | 2d1e4a3 | 2016-07-13 13:03:16 -0700 | [diff] [blame] | 201 | boolean isRangeExtension(T event) { |
| 202 | return event.isShiftKeyDown() && mSelectionMgr.isRangeSelectionActive(); |
| 203 | } |
| 204 | |
Ben Lin | 64ac117 | 2016-09-06 17:48:46 -0700 | [diff] [blame] | 205 | private boolean shouldClearSelection(T event, DocumentDetails doc) { |
Steve McKay | bde20e1 | 2016-09-08 19:12:54 -0700 | [diff] [blame] | 206 | return !event.isCtrlKeyDown() |
| 207 | && !doc.isInSelectionHotspot(event) |
| 208 | && !mSelectionMgr.getSelection().contains(doc.getModelId()); |
Ben Lin | 64ac117 | 2016-09-06 17:48:46 -0700 | [diff] [blame] | 209 | } |
| 210 | |
Steve McKay | 1597e94 | 2016-09-09 11:54:05 -0700 | [diff] [blame] | 211 | private static final String TTAG = "TouchInputDelegate"; |
Steve McKay | 74956af | 2016-06-30 21:03:06 -0700 | [diff] [blame] | 212 | private final class TouchInputDelegate { |
| 213 | |
Ben Lin | dbcccd6 | 2016-08-05 16:47:22 -0700 | [diff] [blame] | 214 | boolean onDown(T event) { |
Steve McKay | 30535bc | 2016-11-04 14:16:58 -0700 | [diff] [blame] | 215 | if (VERBOSE) Log.v(TTAG, "Delegated onDown event."); |
Ben Lin | dbcccd6 | 2016-08-05 16:47:22 -0700 | [diff] [blame] | 216 | return false; |
| 217 | } |
| 218 | |
Ben Lin | 35f99e0 | 2016-08-31 12:46:04 -0700 | [diff] [blame] | 219 | // Don't consume so the RecyclerView will get the event and will get touch-based scrolling |
| 220 | boolean onScroll(T event) { |
Steve McKay | 30535bc | 2016-11-04 14:16:58 -0700 | [diff] [blame] | 221 | if (VERBOSE) Log.v(TTAG, "Delegated onScroll event."); |
Ben Lin | 35f99e0 | 2016-08-31 12:46:04 -0700 | [diff] [blame] | 222 | return false; |
| 223 | } |
| 224 | |
Steve McKay | 2d1e4a3 | 2016-07-13 13:03:16 -0700 | [diff] [blame] | 225 | boolean onSingleTapUp(T event) { |
Steve McKay | 30535bc | 2016-11-04 14:16:58 -0700 | [diff] [blame] | 226 | if (VERBOSE) Log.v(TTAG, "Delegated onSingleTapUp event."); |
Steve McKay | 1597e94 | 2016-09-09 11:54:05 -0700 | [diff] [blame] | 227 | if (!event.isOverModelItem()) { |
| 228 | if (DEBUG) Log.d(TTAG, "Tap not associated w/ model item. Clearing selection."); |
Steve McKay | 2d1e4a3 | 2016-07-13 13:03:16 -0700 | [diff] [blame] | 229 | mSelectionMgr.clearSelection(); |
| 230 | return false; |
| 231 | } |
| 232 | |
Steve McKay | 1597e94 | 2016-09-09 11:54:05 -0700 | [diff] [blame] | 233 | DocumentDetails doc = event.getDocumentDetails(); |
Steve McKay | 2d1e4a3 | 2016-07-13 13:03:16 -0700 | [diff] [blame] | 234 | if (mSelectionMgr.hasSelection()) { |
| 235 | if (isRangeExtension(event)) { |
Steve McKay | bde20e1 | 2016-09-08 19:12:54 -0700 | [diff] [blame] | 236 | extendSelectionRange(doc); |
Steve McKay | 2d1e4a3 | 2016-07-13 13:03:16 -0700 | [diff] [blame] | 237 | } else { |
Steve McKay | bde20e1 | 2016-09-08 19:12:54 -0700 | [diff] [blame] | 238 | selectDocument(doc); |
Steve McKay | 2d1e4a3 | 2016-07-13 13:03:16 -0700 | [diff] [blame] | 239 | } |
Steve McKay | 74956af | 2016-06-30 21:03:06 -0700 | [diff] [blame] | 240 | return true; |
| 241 | } |
| 242 | |
Steve McKay | bde20e1 | 2016-09-08 19:12:54 -0700 | [diff] [blame] | 243 | // Touch events select if they occur in the selection hotspot, |
| 244 | // otherwise they activate. |
| 245 | return doc.isInSelectionHotspot(event) |
| 246 | ? selectDocument(doc) |
Tomasz Mikolajewski | d22cc18 | 2017-03-15 16:13:46 +0900 | [diff] [blame] | 247 | : mActions.openDocument(doc, ActionHandler.VIEW_TYPE_PREVIEW, |
| 248 | ActionHandler.VIEW_TYPE_REGULAR); |
Steve McKay | 74956af | 2016-06-30 21:03:06 -0700 | [diff] [blame] | 249 | } |
| 250 | |
Steve McKay | 2d1e4a3 | 2016-07-13 13:03:16 -0700 | [diff] [blame] | 251 | boolean onSingleTapConfirmed(T event) { |
Steve McKay | 30535bc | 2016-11-04 14:16:58 -0700 | [diff] [blame] | 252 | if (VERBOSE) Log.v(TTAG, "Delegated onSingleTapConfirmed event."); |
Steve McKay | 74956af | 2016-06-30 21:03:06 -0700 | [diff] [blame] | 253 | return false; |
| 254 | } |
| 255 | |
Steve McKay | 2d1e4a3 | 2016-07-13 13:03:16 -0700 | [diff] [blame] | 256 | boolean onDoubleTap(T event) { |
Steve McKay | 30535bc | 2016-11-04 14:16:58 -0700 | [diff] [blame] | 257 | if (VERBOSE) Log.v(TTAG, "Delegated onDoubleTap event."); |
Steve McKay | 74956af | 2016-06-30 21:03:06 -0700 | [diff] [blame] | 258 | return false; |
| 259 | } |
| 260 | |
Steve McKay | 2d1e4a3 | 2016-07-13 13:03:16 -0700 | [diff] [blame] | 261 | final void onLongPress(T event) { |
Steve McKay | 30535bc | 2016-11-04 14:16:58 -0700 | [diff] [blame] | 262 | if (VERBOSE) Log.v(TTAG, "Delegated onLongPress event."); |
Steve McKay | 1597e94 | 2016-09-09 11:54:05 -0700 | [diff] [blame] | 263 | if (!event.isOverModelItem()) { |
| 264 | if (DEBUG) Log.d(TTAG, "Ignoring LongPress on non-model-backed item."); |
Steve McKay | bde20e1 | 2016-09-08 19:12:54 -0700 | [diff] [blame] | 265 | return; |
| 266 | } |
| 267 | |
Steve McKay | 1597e94 | 2016-09-09 11:54:05 -0700 | [diff] [blame] | 268 | DocumentDetails doc = event.getDocumentDetails(); |
Steve McKay | 2d1e4a3 | 2016-07-13 13:03:16 -0700 | [diff] [blame] | 269 | if (isRangeExtension(event)) { |
Steve McKay | bde20e1 | 2016-09-08 19:12:54 -0700 | [diff] [blame] | 270 | extendSelectionRange(doc); |
Steve McKay | 2d1e4a3 | 2016-07-13 13:03:16 -0700 | [diff] [blame] | 271 | } else { |
Ben Lin | 40f4488 | 2016-08-04 10:42:59 -0700 | [diff] [blame] | 272 | if (!mSelectionMgr.getSelection().contains(doc.getModelId())) { |
Steve McKay | bde20e1 | 2016-09-08 19:12:54 -0700 | [diff] [blame] | 273 | selectDocument(doc); |
Ben Lin | 2d6caf3 | 2016-09-19 17:48:54 -0700 | [diff] [blame] | 274 | // If we cannot select it, we didn't apply anchoring - therefore should not |
| 275 | // start gesture selection |
| 276 | if (mSelectable.test(doc)) { |
| 277 | mGestureSelectHandler.accept(event); |
| 278 | } |
Ben Lin | 40f4488 | 2016-08-04 10:42:59 -0700 | [diff] [blame] | 279 | } else { |
Ben Lin | 35f99e0 | 2016-08-31 12:46:04 -0700 | [diff] [blame] | 280 | // We only initiate drag and drop on long press for touch to allow regular |
| 281 | // touch-based scrolling |
Steve McKay | 990f76e | 2016-09-16 12:36:58 -0700 | [diff] [blame] | 282 | mTouchDragListener.accept(event); |
Ben Lin | 40f4488 | 2016-08-04 10:42:59 -0700 | [diff] [blame] | 283 | } |
Steve McKay | 2d1e4a3 | 2016-07-13 13:03:16 -0700 | [diff] [blame] | 284 | } |
Steve McKay | 74956af | 2016-06-30 21:03:06 -0700 | [diff] [blame] | 285 | } |
| 286 | } |
| 287 | |
Steve McKay | 1597e94 | 2016-09-09 11:54:05 -0700 | [diff] [blame] | 288 | private static final String MTAG = "MouseInputDelegate"; |
Steve McKay | 74956af | 2016-06-30 21:03:06 -0700 | [diff] [blame] | 289 | private final class MouseInputDelegate { |
Steve McKay | 74956af | 2016-06-30 21:03:06 -0700 | [diff] [blame] | 290 | // The event has been handled in onSingleTapUp |
Steve McKay | 2d1e4a3 | 2016-07-13 13:03:16 -0700 | [diff] [blame] | 291 | private boolean mHandledTapUp; |
Ben Lin | dbcccd6 | 2016-08-05 16:47:22 -0700 | [diff] [blame] | 292 | // true when the previous event has consumed a right click motion event |
| 293 | private boolean mHandledOnDown; |
| 294 | |
| 295 | boolean onDown(T event) { |
Steve McKay | 30535bc | 2016-11-04 14:16:58 -0700 | [diff] [blame] | 296 | if (VERBOSE) Log.v(MTAG, "Delegated onDown event."); |
Ben Lin | aa66c43 | 2016-10-12 12:11:24 -0700 | [diff] [blame] | 297 | if (event.isSecondaryButtonPressed() |
| 298 | || (event.isAltKeyDown() && event.isPrimaryButtonPressed())) { |
Ben Lin | dbcccd6 | 2016-08-05 16:47:22 -0700 | [diff] [blame] | 299 | mHandledOnDown = true; |
| 300 | return onRightClick(event); |
| 301 | } |
Ben Lin | 64ac117 | 2016-09-06 17:48:46 -0700 | [diff] [blame] | 302 | |
Ben Lin | dbcccd6 | 2016-08-05 16:47:22 -0700 | [diff] [blame] | 303 | return false; |
| 304 | } |
Steve McKay | 74956af | 2016-06-30 21:03:06 -0700 | [diff] [blame] | 305 | |
Ben Lin | 35f99e0 | 2016-08-31 12:46:04 -0700 | [diff] [blame] | 306 | // Don't scroll content window in response to mouse drag |
| 307 | boolean onScroll(T event) { |
Steve McKay | 30535bc | 2016-11-04 14:16:58 -0700 | [diff] [blame] | 308 | if (VERBOSE) Log.v(MTAG, "Delegated onScroll event."); |
Ben Lin | f88bc0b | 2017-02-09 12:11:15 -0800 | [diff] [blame] | 309 | // If it's two-finger trackpad scrolling, we want to scroll |
| 310 | return !event.isTouchpadScroll(); |
Ben Lin | 35f99e0 | 2016-08-31 12:46:04 -0700 | [diff] [blame] | 311 | } |
| 312 | |
Steve McKay | 2d1e4a3 | 2016-07-13 13:03:16 -0700 | [diff] [blame] | 313 | boolean onSingleTapUp(T event) { |
Steve McKay | 30535bc | 2016-11-04 14:16:58 -0700 | [diff] [blame] | 314 | if (VERBOSE) Log.v(MTAG, "Delegated onSingleTapUp event."); |
Ben Lin | dbcccd6 | 2016-08-05 16:47:22 -0700 | [diff] [blame] | 315 | |
| 316 | // See b/27377794. Since we don't get a button state back from UP events, we have to |
| 317 | // explicitly save this state to know whether something was previously handled by |
| 318 | // DOWN events or not. |
| 319 | if (mHandledOnDown) { |
Steve McKay | 30535bc | 2016-11-04 14:16:58 -0700 | [diff] [blame] | 320 | if (VERBOSE) Log.v(MTAG, "Ignoring onSingleTapUp, previously handled in onDown."); |
Ben Lin | dbcccd6 | 2016-08-05 16:47:22 -0700 | [diff] [blame] | 321 | mHandledOnDown = false; |
| 322 | return false; |
Steve McKay | 74956af | 2016-06-30 21:03:06 -0700 | [diff] [blame] | 323 | } |
| 324 | |
Steve McKay | 1597e94 | 2016-09-09 11:54:05 -0700 | [diff] [blame] | 325 | if (!event.isOverModelItem()) { |
| 326 | if (DEBUG) Log.d(MTAG, "Tap not associated w/ model item. Clearing selection."); |
Steve McKay | 2d1e4a3 | 2016-07-13 13:03:16 -0700 | [diff] [blame] | 327 | mSelectionMgr.clearSelection(); |
| 328 | return false; |
| 329 | } |
| 330 | |
Ben Lin | aa66c43 | 2016-10-12 12:11:24 -0700 | [diff] [blame] | 331 | if (event.isTertiaryButtonPressed()) { |
| 332 | if (DEBUG) Log.d(MTAG, "Ignoring middle click"); |
| 333 | return false; |
| 334 | } |
| 335 | |
Steve McKay | 1597e94 | 2016-09-09 11:54:05 -0700 | [diff] [blame] | 336 | DocumentDetails doc = event.getDocumentDetails(); |
Steve McKay | 2d1e4a3 | 2016-07-13 13:03:16 -0700 | [diff] [blame] | 337 | if (mSelectionMgr.hasSelection()) { |
| 338 | if (isRangeExtension(event)) { |
Steve McKay | bde20e1 | 2016-09-08 19:12:54 -0700 | [diff] [blame] | 339 | extendSelectionRange(doc); |
Steve McKay | 2d1e4a3 | 2016-07-13 13:03:16 -0700 | [diff] [blame] | 340 | } else { |
Ben Lin | 64ac117 | 2016-09-06 17:48:46 -0700 | [diff] [blame] | 341 | if (shouldClearSelection(event, doc)) { |
| 342 | mSelectionMgr.clearSelection(); |
| 343 | } |
| 344 | selectDocument(doc); |
Steve McKay | 2d1e4a3 | 2016-07-13 13:03:16 -0700 | [diff] [blame] | 345 | } |
| 346 | mHandledTapUp = true; |
Steve McKay | 74956af | 2016-06-30 21:03:06 -0700 | [diff] [blame] | 347 | return true; |
| 348 | } |
| 349 | |
Steve McKay | bde20e1 | 2016-09-08 19:12:54 -0700 | [diff] [blame] | 350 | return false; |
Steve McKay | 74956af | 2016-06-30 21:03:06 -0700 | [diff] [blame] | 351 | } |
| 352 | |
Steve McKay | 2d1e4a3 | 2016-07-13 13:03:16 -0700 | [diff] [blame] | 353 | boolean onSingleTapConfirmed(T event) { |
Steve McKay | 30535bc | 2016-11-04 14:16:58 -0700 | [diff] [blame] | 354 | if (VERBOSE) Log.v(MTAG, "Delegated onSingleTapConfirmed event."); |
Steve McKay | 2d1e4a3 | 2016-07-13 13:03:16 -0700 | [diff] [blame] | 355 | if (mHandledTapUp) { |
Steve McKay | 30535bc | 2016-11-04 14:16:58 -0700 | [diff] [blame] | 356 | if (VERBOSE) Log.v(MTAG, "Ignoring onSingleTapConfirmed, previously handled in onSingleTapUp."); |
Steve McKay | 2d1e4a3 | 2016-07-13 13:03:16 -0700 | [diff] [blame] | 357 | mHandledTapUp = false; |
Steve McKay | 74956af | 2016-06-30 21:03:06 -0700 | [diff] [blame] | 358 | return false; |
| 359 | } |
| 360 | |
| 361 | if (mSelectionMgr.hasSelection()) { |
| 362 | return false; // should have been handled by onSingleTapUp. |
| 363 | } |
| 364 | |
Steve McKay | bde20e1 | 2016-09-08 19:12:54 -0700 | [diff] [blame] | 365 | if (!event.isOverItem()) { |
Steve McKay | 1597e94 | 2016-09-09 11:54:05 -0700 | [diff] [blame] | 366 | if (DEBUG) Log.d(MTAG, "Ignoring Confirmed Tap on non-item."); |
Steve McKay | bde20e1 | 2016-09-08 19:12:54 -0700 | [diff] [blame] | 367 | return false; |
| 368 | } |
| 369 | |
Ben Lin | aa66c43 | 2016-10-12 12:11:24 -0700 | [diff] [blame] | 370 | if (event.isTertiaryButtonPressed()) { |
| 371 | if (DEBUG) Log.d(MTAG, "Ignoring middle click"); |
| 372 | return false; |
| 373 | } |
| 374 | |
Steve McKay | bde20e1 | 2016-09-08 19:12:54 -0700 | [diff] [blame] | 375 | @Nullable DocumentDetails doc = event.getDocumentDetails(); |
| 376 | if (doc == null || !doc.hasModelId()) { |
Steve McKay | 1597e94 | 2016-09-09 11:54:05 -0700 | [diff] [blame] | 377 | Log.w(MTAG, "Ignoring Confirmed Tap. No document details associated w/ event."); |
Steve McKay | 74956af | 2016-06-30 21:03:06 -0700 | [diff] [blame] | 378 | return false; |
| 379 | } |
| 380 | |
Ben Lin | 75b7b90 | 2016-11-02 15:59:29 -0700 | [diff] [blame] | 381 | if (mFocusHandler.hasFocusedItem() && event.isShiftKeyDown()) { |
| 382 | mSelectionMgr.formNewSelectionRange(mFocusHandler.getFocusPosition(), |
| 383 | doc.getAdapterPosition()); |
| 384 | return true; |
| 385 | } else { |
| 386 | return selectDocument(doc); |
| 387 | } |
Steve McKay | 74956af | 2016-06-30 21:03:06 -0700 | [diff] [blame] | 388 | } |
| 389 | |
Steve McKay | 2d1e4a3 | 2016-07-13 13:03:16 -0700 | [diff] [blame] | 390 | boolean onDoubleTap(T event) { |
Steve McKay | 30535bc | 2016-11-04 14:16:58 -0700 | [diff] [blame] | 391 | if (VERBOSE) Log.v(MTAG, "Delegated onDoubleTap event."); |
Steve McKay | 2d1e4a3 | 2016-07-13 13:03:16 -0700 | [diff] [blame] | 392 | mHandledTapUp = false; |
Steve McKay | bde20e1 | 2016-09-08 19:12:54 -0700 | [diff] [blame] | 393 | |
Steve McKay | 1597e94 | 2016-09-09 11:54:05 -0700 | [diff] [blame] | 394 | if (!event.isOverModelItem()) { |
| 395 | if (DEBUG) Log.d(MTAG, "Ignoring DoubleTap on non-model-backed item."); |
Steve McKay | bde20e1 | 2016-09-08 19:12:54 -0700 | [diff] [blame] | 396 | return false; |
Steve McKay | 74956af | 2016-06-30 21:03:06 -0700 | [diff] [blame] | 397 | } |
Steve McKay | bde20e1 | 2016-09-08 19:12:54 -0700 | [diff] [blame] | 398 | |
Ben Lin | aa66c43 | 2016-10-12 12:11:24 -0700 | [diff] [blame] | 399 | if (event.isTertiaryButtonPressed()) { |
| 400 | if (DEBUG) Log.d(MTAG, "Ignoring middle click"); |
| 401 | return false; |
| 402 | } |
| 403 | |
Steve McKay | 1597e94 | 2016-09-09 11:54:05 -0700 | [diff] [blame] | 404 | DocumentDetails doc = event.getDocumentDetails(); |
Tomasz Mikolajewski | d22cc18 | 2017-03-15 16:13:46 +0900 | [diff] [blame] | 405 | return mActions.openDocument(doc, ActionHandler.VIEW_TYPE_REGULAR, |
| 406 | ActionHandler.VIEW_TYPE_PREVIEW); |
Steve McKay | 74956af | 2016-06-30 21:03:06 -0700 | [diff] [blame] | 407 | } |
| 408 | |
Steve McKay | 2d1e4a3 | 2016-07-13 13:03:16 -0700 | [diff] [blame] | 409 | final void onLongPress(T event) { |
Steve McKay | 30535bc | 2016-11-04 14:16:58 -0700 | [diff] [blame] | 410 | if (VERBOSE) Log.v(MTAG, "Delegated onLongPress event."); |
Steve McKay | bde20e1 | 2016-09-08 19:12:54 -0700 | [diff] [blame] | 411 | return; |
Steve McKay | 74956af | 2016-06-30 21:03:06 -0700 | [diff] [blame] | 412 | } |
| 413 | |
Ben Lin | dbcccd6 | 2016-08-05 16:47:22 -0700 | [diff] [blame] | 414 | private boolean onRightClick(T event) { |
Steve McKay | 30535bc | 2016-11-04 14:16:58 -0700 | [diff] [blame] | 415 | if (VERBOSE) Log.v(MTAG, "Delegated onRightClick event."); |
Steve McKay | 1597e94 | 2016-09-09 11:54:05 -0700 | [diff] [blame] | 416 | if (event.isOverModelItem()) { |
| 417 | DocumentDetails doc = event.getDocumentDetails(); |
| 418 | if (!mSelectionMgr.getSelection().contains(doc.getModelId())) { |
| 419 | mSelectionMgr.replaceSelection(Collections.singleton(doc.getModelId())); |
| 420 | mSelectionMgr.setSelectionRangeBegin(doc.getAdapterPosition()); |
| 421 | } |
| 422 | } |
| 423 | |
| 424 | // We always delegate final handling of the event, |
| 425 | // since the handler might want to show a context menu |
| 426 | // in an empty area or some other weirdo view. |
Ben Lin | aa66c43 | 2016-10-12 12:11:24 -0700 | [diff] [blame] | 427 | return mContextMenuClickHandler.accept(event); |
Steve McKay | 74956af | 2016-06-30 21:03:06 -0700 | [diff] [blame] | 428 | } |
Steve McKay | 74956af | 2016-06-30 21:03:06 -0700 | [diff] [blame] | 429 | } |
| 430 | |
Steve McKay | 2d1e4a3 | 2016-07-13 13:03:16 -0700 | [diff] [blame] | 431 | private final class KeyInputHandler { |
| 432 | // TODO: Refactor FocusManager to depend only on DocumentDetails so we can eliminate |
| 433 | // difficult to test dependency on DocumentHolder. |
Steve McKay | 74956af | 2016-06-30 21:03:06 -0700 | [diff] [blame] | 434 | |
Ben Lin | f085da0 | 2016-12-20 10:45:05 -0800 | [diff] [blame] | 435 | boolean onKey(@Nullable DocumentHolder doc, int keyCode, KeyEvent event) { |
Steve McKay | 2d1e4a3 | 2016-07-13 13:03:16 -0700 | [diff] [blame] | 436 | // Only handle key-down events. This is simpler, consistent with most other UIs, and |
| 437 | // enables the handling of repeated key events from holding down a key. |
| 438 | if (event.getAction() != KeyEvent.ACTION_DOWN) { |
| 439 | return false; |
Steve McKay | 74956af | 2016-06-30 21:03:06 -0700 | [diff] [blame] | 440 | } |
Steve McKay | 74956af | 2016-06-30 21:03:06 -0700 | [diff] [blame] | 441 | |
Steve McKay | 2d1e4a3 | 2016-07-13 13:03:16 -0700 | [diff] [blame] | 442 | // Ignore tab key events. Those should be handled by the top-level key handler. |
| 443 | if (keyCode == KeyEvent.KEYCODE_TAB) { |
| 444 | return false; |
| 445 | } |
| 446 | |
Ben Lin | b62d4e5 | 2016-12-19 12:01:11 -0800 | [diff] [blame] | 447 | // Ignore events sent to Addon Holders. |
Ben Lin | f085da0 | 2016-12-20 10:45:05 -0800 | [diff] [blame] | 448 | if (doc != null) { |
| 449 | int itemType = doc.getItemViewType(); |
| 450 | if (itemType == DocumentsAdapter.ITEM_TYPE_HEADER_MESSAGE |
| 451 | || itemType == DocumentsAdapter.ITEM_TYPE_INFLATED_MESSAGE |
| 452 | || itemType == DocumentsAdapter.ITEM_TYPE_SECTION_BREAK) { |
| 453 | return false; |
| 454 | } |
Ben Lin | b62d4e5 | 2016-12-19 12:01:11 -0800 | [diff] [blame] | 455 | } |
| 456 | |
Steve McKay | 2d1e4a3 | 2016-07-13 13:03:16 -0700 | [diff] [blame] | 457 | if (mFocusHandler.handleKey(doc, keyCode, event)) { |
| 458 | // Handle range selection adjustments. Extending the selection will adjust the |
| 459 | // bounds of the in-progress range selection. Each time an unshifted navigation |
| 460 | // event is received, the range selection is restarted. |
| 461 | if (shouldExtendSelection(doc, event)) { |
| 462 | if (!mSelectionMgr.isRangeSelectionActive()) { |
| 463 | // Start a range selection if one isn't active |
| 464 | mSelectionMgr.startRangeSelection(doc.getAdapterPosition()); |
| 465 | } |
| 466 | mSelectionMgr.snapRangeSelection(mFocusHandler.getFocusPosition()); |
| 467 | } else { |
| 468 | mSelectionMgr.endRangeSelection(); |
Ben Lin | 41d7e22 | 2016-09-27 12:26:29 -0700 | [diff] [blame] | 469 | mSelectionMgr.clearSelection(); |
Steve McKay | 74956af | 2016-06-30 21:03:06 -0700 | [diff] [blame] | 470 | } |
Steve McKay | 74956af | 2016-06-30 21:03:06 -0700 | [diff] [blame] | 471 | return true; |
Steve McKay | 2d1e4a3 | 2016-07-13 13:03:16 -0700 | [diff] [blame] | 472 | } |
Steve McKay | 74956af | 2016-06-30 21:03:06 -0700 | [diff] [blame] | 473 | |
Steve McKay | 2d1e4a3 | 2016-07-13 13:03:16 -0700 | [diff] [blame] | 474 | // Handle enter key events |
| 475 | switch (keyCode) { |
| 476 | case KeyEvent.KEYCODE_ENTER: |
| 477 | if (event.isShiftPressed()) { |
| 478 | selectDocument(doc); |
| 479 | } |
| 480 | // For non-shifted enter keypresses, fall through. |
| 481 | case KeyEvent.KEYCODE_DPAD_CENTER: |
| 482 | case KeyEvent.KEYCODE_BUTTON_A: |
Tomasz Mikolajewski | d22cc18 | 2017-03-15 16:13:46 +0900 | [diff] [blame] | 483 | return mActions.openDocument(doc, ActionHandler.VIEW_TYPE_REGULAR, |
| 484 | ActionHandler.VIEW_TYPE_PREVIEW); |
Steve McKay | 17b761e | 2016-09-20 17:26:46 -0700 | [diff] [blame] | 485 | case KeyEvent.KEYCODE_SPACE: |
Tomasz Mikolajewski | d22cc18 | 2017-03-15 16:13:46 +0900 | [diff] [blame] | 486 | return mActions.openDocument(doc, ActionHandler.VIEW_TYPE_PREVIEW, |
| 487 | ActionHandler.VIEW_TYPE_NONE); |
Steve McKay | 2d1e4a3 | 2016-07-13 13:03:16 -0700 | [diff] [blame] | 488 | } |
Steve McKay | 74956af | 2016-06-30 21:03:06 -0700 | [diff] [blame] | 489 | |
Steve McKay | 74956af | 2016-06-30 21:03:06 -0700 | [diff] [blame] | 490 | return false; |
| 491 | } |
| 492 | |
Steve McKay | 2d1e4a3 | 2016-07-13 13:03:16 -0700 | [diff] [blame] | 493 | private boolean shouldExtendSelection(DocumentDetails doc, KeyEvent event) { |
| 494 | if (!Events.isNavigationKeyCode(event.getKeyCode()) || !event.isShiftPressed()) { |
| 495 | return false; |
| 496 | } |
Steve McKay | 74956af | 2016-06-30 21:03:06 -0700 | [diff] [blame] | 497 | |
Steve McKay | 2d1e4a3 | 2016-07-13 13:03:16 -0700 | [diff] [blame] | 498 | return mSelectable.test(doc); |
| 499 | } |
Steve McKay | 74956af | 2016-06-30 21:03:06 -0700 | [diff] [blame] | 500 | } |
Steve McKay | 74956af | 2016-06-30 21:03:06 -0700 | [diff] [blame] | 501 | } |