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Commit 82d31d45 authored by Alan Viverette's avatar Alan Viverette
Browse files

Make AbsActionBarView eat touch/hover events 

This code is taken straight out of Toolbar.

Bug: 22709057
Change-Id: I54ef6af8436454718009186afed79f3a003ac271
parent d69bb610

core/java/com/android/internal/widget/AbsActionBarView.java

+55 −0
Original line number Diff line number Diff line
@@ -19,6 +19,7 @@ import com.android.internal.R; 


import android.util.TypedValue;

import android.view.ContextThemeWrapper;

import android.view.MotionEvent;

import android.widget.ActionMenuPresenter;

import android.widget.ActionMenuView;
@@ -53,6 +54,9 @@ public abstract class AbsActionBarView extends ViewGroup { 


    protected Animator mVisibilityAnim;



    private boolean mEatingTouch;

    private boolean mEatingHover;



    public AbsActionBarView(Context context) {

        this(context, null);

    }
@@ -97,6 +101,57 @@ public abstract class AbsActionBarView extends ViewGroup { 
        }

    }



    @Override

    public boolean onTouchEvent(MotionEvent ev) {

        // ActionBarViews always eat touch events, but should still respect the touch event dispatch

        // contract. If the normal View implementation doesn't want the events, we'll just silently

        // eat the rest of the gesture without reporting the events to the default implementation

        // since that's what it expects.



        final int action = ev.getActionMasked();

        if (action == MotionEvent.ACTION_DOWN) {

            mEatingTouch = false;

        }



        if (!mEatingTouch) {

            final boolean handled = super.onTouchEvent(ev);

            if (action == MotionEvent.ACTION_DOWN && !handled) {

                mEatingTouch = true;

            }

        }



        if (action == MotionEvent.ACTION_UP || action == MotionEvent.ACTION_CANCEL) {

            mEatingTouch = false;

        }



        return true;

    }



    @Override

    public boolean onHoverEvent(MotionEvent ev) {

        // Same deal as onTouchEvent() above. Eat all hover events, but still

        // respect the touch event dispatch contract.



        final int action = ev.getActionMasked();

        if (action == MotionEvent.ACTION_HOVER_ENTER) {

            mEatingHover = false;

        }



        if (!mEatingHover) {

            final boolean handled = super.onHoverEvent(ev);

            if (action == MotionEvent.ACTION_HOVER_ENTER && !handled) {

                mEatingHover = true;

            }

        }



        if (action == MotionEvent.ACTION_HOVER_EXIT

                || action == MotionEvent.ACTION_CANCEL) {

            mEatingHover = false;

        }



        return true;

    }



    /**

     * Sets whether the bar should be split right now, no questions asked.

     * @param split true if the bar should split