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Commit 12c03e33 authored by Jae Seo's avatar Jae Seo Committed by Android Git Automerger
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am f66f3052: Merge "TIF: implement gatherTransparentRegion() and... 

am f66f3052: Merge "TIF: implement gatherTransparentRegion() and dispatchDraw() in TvView." into lmp-mr1-dev

* commit 'f66f3052':
  TIF: implement gatherTransparentRegion() and dispatchDraw() in TvView.
parents 91ab2665 f66f3052

media/java/android/media/tv/TvView.java

+39 −0
Original line number Diff line number Diff line
@@ -18,7 +18,10 @@ package android.media.tv; 


import android.annotation.SystemApi;

import android.content.Context;

import android.graphics.Canvas;

import android.graphics.PorterDuff;

import android.graphics.Rect;

import android.graphics.Region;

import android.media.tv.TvInputManager.Session;

import android.media.tv.TvInputManager.Session.FinishedInputEventCallback;

import android.media.tv.TvInputManager.SessionCallback;
@@ -592,6 +595,42 @@ public class TvView extends ViewGroup { 
                        childState << MEASURED_HEIGHT_STATE_SHIFT));

    }



    @Override

    public boolean gatherTransparentRegion(Region region) {

        if (mWindowZOrder != ZORDER_ON_TOP) {

            if (region != null) {

                int width = getWidth();

                int height = getHeight();

                if (width > 0 && height > 0) {

                    int location[] = new int[2];

                    getLocationInWindow(location);

                    int left = location[0];

                    int top = location[1];

                    region.op(left, top, left + width, top + height, Region.Op.UNION);

                }

            }

        }

        return super.gatherTransparentRegion(region);

    }



    @Override

    public void draw(Canvas canvas) {

        if (mWindowZOrder != ZORDER_ON_TOP) {

            // Punch a hole so that the underlying overlay view and surface can be shown.

            canvas.drawColor(0, PorterDuff.Mode.CLEAR);

        }

        super.draw(canvas);

    }



    @Override

    protected void dispatchDraw(Canvas canvas) {

        if (mWindowZOrder != ZORDER_ON_TOP) {

            // Punch a hole so that the underlying overlay view and surface can be shown.

            canvas.drawColor(0, PorterDuff.Mode.CLEAR);

        }

        super.dispatchDraw(canvas);

    }



    @Override

    protected void onVisibilityChanged(View changedView, int visibility) {

        super.onVisibilityChanged(changedView, visibility);