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Add undo snackbar for deleting items

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- Add methods to ModelWriter to prepareForUndoDelete, then
  enqueueDeleteRunnable, followed by commitDelete or abortDelete.
- Add Snackbar floating view
- Show Undo snackbar when dropping or flinging to delete target; if the
  undo action is clicked, we abort the delete, otherwise we commit it.

Bug: 24238108
Change-Id: I9997235e1f8525cbb8b1fa2338099609e7358426
This commit is contained in:
Tony Wickham
2018-08-21 11:40:23 -07:00
parent 1654c9e1c0
commit 6a71a5bd77
21 changed files with 344 additions and 53 deletions
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14
src/com/android/launcher3/AbstractFloatingView.java
View File

@@ -19,7 +19,6 @@ package com.android.launcher3;
import static android.view.accessibility.AccessibilityEvent.TYPE_VIEW_FOCUSED;
import static android.view.accessibility.AccessibilityEvent.TYPE_WINDOW_CONTENT_CHANGED;
import static android.view.accessibility.AccessibilityEvent.TYPE_WINDOW_STATE_CHANGED;
import static com.android.launcher3.compat.AccessibilityManagerCompat.isAccessibilityEnabled;
import static com.android.launcher3.compat.AccessibilityManagerCompat.sendCustomAccessibilityEvent;
@@ -54,6 +53,7 @@ public abstract class AbstractFloatingView extends LinearLayout implements Touch
TYPE_WIDGETS_FULL_SHEET,
TYPE_ON_BOARD_POPUP,
TYPE_DISCOVERY_BOUNCE,
TYPE_SNACKBAR,
TYPE_QUICKSTEP_PREVIEW,
TYPE_TASK_MENU,
@@ -68,23 +68,25 @@ public abstract class AbstractFloatingView extends LinearLayout implements Touch
public static final int TYPE_WIDGETS_FULL_SHEET = 1 << 4;
public static final int TYPE_ON_BOARD_POPUP = 1 << 5;
public static final int TYPE_DISCOVERY_BOUNCE = 1 << 6;
public static final int TYPE_SNACKBAR = 1 << 7;
// Popups related to quickstep UI
public static final int TYPE_QUICKSTEP_PREVIEW = 1 << 7;
public static final int TYPE_TASK_MENU = 1 << 8;
public static final int TYPE_OPTIONS_POPUP = 1 << 9;
public static final int TYPE_QUICKSTEP_PREVIEW = 1 << 8;
public static final int TYPE_TASK_MENU = 1 << 9;
public static final int TYPE_OPTIONS_POPUP = 1 << 10;
public static final int TYPE_ALL = TYPE_FOLDER | TYPE_ACTION_POPUP
| TYPE_WIDGETS_BOTTOM_SHEET | TYPE_WIDGET_RESIZE_FRAME | TYPE_WIDGETS_FULL_SHEET
| TYPE_QUICKSTEP_PREVIEW | TYPE_ON_BOARD_POPUP | TYPE_DISCOVERY_BOUNCE | TYPE_TASK_MENU
| TYPE_OPTIONS_POPUP;
| TYPE_OPTIONS_POPUP | TYPE_SNACKBAR;
// Type of popups which should be kept open during launcher rebind
public static final int TYPE_REBIND_SAFE = TYPE_WIDGETS_FULL_SHEET
| TYPE_QUICKSTEP_PREVIEW | TYPE_ON_BOARD_POPUP | TYPE_DISCOVERY_BOUNCE;
// Usually we show the back button when a floating view is open. Instead, hide for these types.
public static final int TYPE_HIDE_BACK_BUTTON = TYPE_ON_BOARD_POPUP | TYPE_DISCOVERY_BOUNCE;
public static final int TYPE_HIDE_BACK_BUTTON = TYPE_ON_BOARD_POPUP | TYPE_DISCOVERY_BOUNCE
| TYPE_SNACKBAR;
public static final int TYPE_ACCESSIBLE = TYPE_ALL
& ~TYPE_DISCOVERY_BOUNCE & ~TYPE_QUICKSTEP_PREVIEW;