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Commit 79141a12 authored by Hyunyoung Song's avatar Hyunyoung Song Committed by Vadim Tryshev
Browse files

Accessibility sugar for Recents 

Adding various-pitch earcorns that depend on the scroll state and
position in the list notifications. This is for Talkback.

Bug: 72222505
Test: Manual
Change-Id: I99ffe553f7a20d057940197d97506bc1a14a193e
parent e47fc657

quickstep/src/com/android/quickstep/views/RecentsView.java

+30 −0
Original line number Diff line number Diff line
@@ -54,7 +54,9 @@ import android.view.LayoutInflater; 
import android.view.MotionEvent;

import android.view.View;

import android.view.ViewDebug;

import android.view.accessibility.AccessibilityEvent;

import android.view.accessibility.AccessibilityNodeInfo;

import android.widget.ListView;



import com.android.launcher3.BaseActivity;

import com.android.launcher3.DeviceProfile;
@@ -1334,6 +1336,34 @@ public abstract class RecentsView<T extends BaseActivity> extends PagedView impl 
        }

    }



    @Override

    public void onInitializeAccessibilityNodeInfo(AccessibilityNodeInfo info) {

        super.onInitializeAccessibilityNodeInfo(info);



        final AccessibilityNodeInfo.CollectionInfo

                collectionInfo = AccessibilityNodeInfo.CollectionInfo.obtain(

                1, getChildCount(), false,

                AccessibilityNodeInfo.CollectionInfo.SELECTION_MODE_NONE);

        info.setCollectionInfo(collectionInfo);

    }



    @Override

    public void onInitializeAccessibilityEvent(AccessibilityEvent event) {

        super.onInitializeAccessibilityEvent(event);



        if (event.getEventType() == AccessibilityEvent.TYPE_VIEW_SCROLLED) {

            event.setFromIndex(getCurrentPage());

            event.setToIndex(getCurrentPage());

            event.setItemCount(getChildCount());

        }

    }



    @Override

    public CharSequence getAccessibilityClassName() {

        // To hear position-in-list related feedback from Talkback.

        return ListView.class.getName();

    }



    @Override

    protected boolean isPageOrderFlipped() {

        return true;

quickstep/src/com/android/quickstep/views/TaskView.java

+7 −1
Original line number Diff line number Diff line
@@ -320,7 +320,13 @@ public class TaskView extends FrameLayout implements TaskCallbacks, PageCallback 
            }

        }



        getRecentsView().addTaskAccessibilityActionsExtra(info);

        final RecentsView recentsView = getRecentsView();

        recentsView.addTaskAccessibilityActionsExtra(info);



        final AccessibilityNodeInfo.CollectionItemInfo itemInfo =

                AccessibilityNodeInfo.CollectionItemInfo.obtain(

                        0, 1, recentsView.indexOfChild(this), 1, false);

        info.setCollectionItemInfo(itemInfo);

    }



    @Override