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Commit 5f83a601 authored by Adam Powell's avatar Adam Powell
Browse files

Better fix for bug 3112733

Make sure PopupWindows set to clip to the screen and that are anchored
to another view do not clip off the top of the screen.

Change-Id: I6ef9d61982dfda18a4ee7c69128932f5e08aa884
parent ed58d8ed
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+8 −2
Original line number Diff line number Diff line
@@ -28,7 +28,6 @@ import android.graphics.drawable.StateListDrawable;
import android.os.Build;
import android.os.IBinder;
import android.util.AttributeSet;
import android.util.DisplayMetrics;
import android.view.Gravity;
import android.view.KeyEvent;
import android.view.MotionEvent;
@@ -1087,8 +1086,15 @@ public class PopupWindow {
                p.width = Math.min(p.width, displayFrameWidth);
            }

            if (onTop) {
                int popupTop = mScreenLocation[1] + yoff - mPopupHeight;
                if (popupTop < 0) {
                    p.y += popupTop;
                }
            } else {
                p.y = Math.max(p.y, displayFrame.top);
            }
        }

        p.gravity |= Gravity.DISPLAY_CLIP_VERTICAL;
        
+1 −35
Original line number Diff line number Diff line
@@ -23,14 +23,13 @@ import android.content.DialogInterface;
import android.content.DialogInterface.OnClickListener;
import android.content.res.TypedArray;
import android.database.DataSetObserver;
import android.graphics.Rect;
import android.graphics.drawable.Drawable;
import android.graphics.Rect;
import android.util.AttributeSet;
import android.util.DisplayMetrics;
import android.view.Gravity;
import android.view.View;
import android.view.ViewGroup;
import android.view.ViewTreeObserver;


/**
@@ -70,8 +69,6 @@ public class Spinner extends AbsSpinner implements OnClickListener {

    private int mGravity;

    private LayoutObserver mLayoutObserver;

    /**
     * Construct a new spinner with the given context's theme.
     *
@@ -172,7 +169,6 @@ public class Spinner extends AbsSpinner implements OnClickListener {
                    com.android.internal.R.styleable.Spinner_dropDownHorizontalOffset, 0));

            mPopup = popup;
            mLayoutObserver = new LayoutObserver();
            break;
        }
        }
@@ -425,11 +421,6 @@ public class Spinner extends AbsSpinner implements OnClickListener {
            handled = true;

            if (!mPopup.isShowing()) {
                if (mLayoutObserver != null) {
                    final ViewTreeObserver vto = getViewTreeObserver();
                    vto.addOnGlobalLayoutListener(mLayoutObserver);
                    vto.addOnScrollChangedListener(mLayoutObserver);
                }
                mPopup.show();
            }
        }
@@ -677,7 +668,6 @@ public class Spinner extends AbsSpinner implements OnClickListener {
            super.show();
            getListView().setChoiceMode(ListView.CHOICE_MODE_SINGLE);
            setSelection(Spinner.this.getSelectedItemPosition());
            setOnDismissListener(mLayoutObserver);
        }

        @Override
@@ -728,28 +718,4 @@ public class Spinner extends AbsSpinner implements OnClickListener {
                    ViewGroup.LayoutParams.WRAP_CONTENT);
        }
    }

    private class LayoutObserver implements ViewTreeObserver.OnGlobalLayoutListener,
            ViewTreeObserver.OnScrollChangedListener, PopupWindow.OnDismissListener {
        @Override
        public void onScrollChanged() {
            if (mPopup != null && mPopup.isShowing()) {
                mPopup.show();
            }
        }

        @Override
        public void onGlobalLayout() {
            if (mPopup != null && mPopup.isShowing()) {
                mPopup.show();
            }
        }

        @Override
        public void onDismiss() {
            ViewTreeObserver vto = getViewTreeObserver();
            vto.removeGlobalOnLayoutListener(mLayoutObserver);
            vto.removeOnScrollChangedListener(mLayoutObserver);
        }
    }
}