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Commit 9eb42f57 authored by TreeHugger Robot's avatar TreeHugger Robot Committed by Automerger Merge Worker
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Merge "Add accessibility action menu items for divider" into tm-dev am: 55dd1c37 

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/18155923



Change-Id: I237cdedc13cc1c00cbae691e61ed6e72b6e8a58c
Signed-off-by: default avatarAutomerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>
parents 99613b91 55dd1c37

libs/WindowManager/Shell/src/com/android/wm/shell/common/split/DividerView.java

+72 −1
Original line number Diff line number Diff line
@@ -24,6 +24,7 @@ import android.animation.AnimatorListenerAdapter; 
import android.animation.ObjectAnimator;

import android.content.Context;

import android.graphics.Rect;

import android.os.Bundle;

import android.util.AttributeSet;

import android.util.Property;

import android.view.GestureDetector;
@@ -37,6 +38,8 @@ import android.view.View; 
import android.view.ViewConfiguration;

import android.view.ViewGroup;

import android.view.WindowManager;

import android.view.accessibility.AccessibilityNodeInfo;

import android.view.accessibility.AccessibilityNodeInfo.AccessibilityAction;

import android.widget.FrameLayout;



import androidx.annotation.NonNull;
@@ -80,7 +83,6 @@ public class DividerView extends FrameLayout implements View.OnTouchListener { 
    private final Rect mTempRect = new Rect();

    private FrameLayout mDividerBar;





    static final Property<DividerView, Integer> DIVIDER_HEIGHT_PROPERTY =

            new Property<DividerView, Integer>(Integer.class, "height") {

                @Override
@@ -109,6 +111,74 @@ public class DividerView extends FrameLayout implements View.OnTouchListener { 
        }

    };



    private final AccessibilityDelegate mHandleDelegate = new AccessibilityDelegate() {

        @Override

        public void onInitializeAccessibilityNodeInfo(View host, AccessibilityNodeInfo info) {

            super.onInitializeAccessibilityNodeInfo(host, info);

            final DividerSnapAlgorithm snapAlgorithm = mSplitLayout.mDividerSnapAlgorithm;

            if (isLandscape()) {

                info.addAction(new AccessibilityAction(R.id.action_move_tl_full,

                        mContext.getString(R.string.accessibility_action_divider_left_full)));

                if (snapAlgorithm.isFirstSplitTargetAvailable()) {

                    info.addAction(new AccessibilityAction(R.id.action_move_tl_70,

                            mContext.getString(R.string.accessibility_action_divider_left_70)));

                }

                if (snapAlgorithm.showMiddleSplitTargetForAccessibility()) {

                    // Only show the middle target if there are more than 1 split target

                    info.addAction(new AccessibilityAction(R.id.action_move_tl_50,

                            mContext.getString(R.string.accessibility_action_divider_left_50)));

                }

                if (snapAlgorithm.isLastSplitTargetAvailable()) {

                    info.addAction(new AccessibilityAction(R.id.action_move_tl_30,

                            mContext.getString(R.string.accessibility_action_divider_left_30)));

                }

                info.addAction(new AccessibilityAction(R.id.action_move_rb_full,

                        mContext.getString(R.string.accessibility_action_divider_right_full)));

            } else {

                info.addAction(new AccessibilityAction(R.id.action_move_tl_full,

                        mContext.getString(R.string.accessibility_action_divider_top_full)));

                if (snapAlgorithm.isFirstSplitTargetAvailable()) {

                    info.addAction(new AccessibilityAction(R.id.action_move_tl_70,

                            mContext.getString(R.string.accessibility_action_divider_top_70)));

                }

                if (snapAlgorithm.showMiddleSplitTargetForAccessibility()) {

                    // Only show the middle target if there are more than 1 split target

                    info.addAction(new AccessibilityAction(R.id.action_move_tl_50,

                            mContext.getString(R.string.accessibility_action_divider_top_50)));

                }

                if (snapAlgorithm.isLastSplitTargetAvailable()) {

                    info.addAction(new AccessibilityAction(R.id.action_move_tl_30,

                            mContext.getString(R.string.accessibility_action_divider_top_30)));

                }

                info.addAction(new AccessibilityAction(R.id.action_move_rb_full,

                        mContext.getString(R.string.accessibility_action_divider_bottom_full)));

            }

        }



        @Override

        public boolean performAccessibilityAction(@NonNull View host, int action,

                @Nullable Bundle args) {

            DividerSnapAlgorithm.SnapTarget nextTarget = null;

            DividerSnapAlgorithm snapAlgorithm = mSplitLayout.mDividerSnapAlgorithm;

            if (action == R.id.action_move_tl_full) {

                nextTarget = snapAlgorithm.getDismissEndTarget();

            } else if (action == R.id.action_move_tl_70) {

                nextTarget = snapAlgorithm.getLastSplitTarget();

            } else if (action == R.id.action_move_tl_50) {

                nextTarget = snapAlgorithm.getMiddleTarget();

            } else if (action == R.id.action_move_tl_30) {

                nextTarget = snapAlgorithm.getFirstSplitTarget();

            } else if (action == R.id.action_move_rb_full) {

                nextTarget = snapAlgorithm.getDismissStartTarget();

            }

            if (nextTarget != null) {

                mSplitLayout.snapToTarget(mSplitLayout.getDividePosition(), nextTarget);

                return true;

            }

            return super.performAccessibilityAction(host, action, args);

        }

    };



    public DividerView(@NonNull Context context) {

        super(context);

    }
@@ -179,6 +249,7 @@ public class DividerView extends FrameLayout implements View.OnTouchListener { 
        mDoubleTapDetector = new GestureDetector(getContext(), new DoubleTapListener());

        mInteractive = true;

        setOnTouchListener(this);

        mHandle.setAccessibilityDelegate(mHandleDelegate);

    }



    @Override