com.robotium.solo.Swiper Maven / Gradle / Ivy

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package com.robotium.solo;

import android.app.Instrumentation;
import android.graphics.PointF;
import android.os.SystemClock;
import android.view.MotionEvent;
import android.view.MotionEvent.PointerCoords;
import android.view.MotionEvent.PointerProperties;

class Swiper
{
    private final Instrumentation _instrument;
    public static final int GESTURE_DURATION_MS = 1000;
    public static final int EVENT_TIME_INTERVAL_MS = 10;

    public Swiper(Instrumentation inst)
    {
        this._instrument = inst;
    }

	public void generateSwipeGesture(PointF startPoint1, PointF startPoint2,
            PointF endPoint1, PointF endPoint2)
    {

        long downTime = SystemClock.uptimeMillis();
        long eventTime = SystemClock.uptimeMillis();

        float startX1 = startPoint1.x;
        float startY1 = startPoint1.y;
        float startX2 = startPoint2.x;
        float startY2 = startPoint2.y;

        float endX1 = endPoint1.x;
        float endY1 = endPoint1.y;
        float endX2 = endPoint2.x;
        float endY2 = endPoint2.y;

        // pointer 1
        float x1 = startX1;
        float y1 = startY1;

        // pointer 2
        float x2 = startX2;
        float y2 = startY2;

        PointerCoords[] pointerCoords = new PointerCoords[2];
        PointerCoords pc1 = new PointerCoords();
        PointerCoords pc2 = new PointerCoords();
        pc1.x = x1;
        pc1.y = y1;
        pc1.pressure = 1;
        pc1.size = 1;
        pc2.x = x2;
        pc2.y = y2;
        pc2.pressure = 1;
        pc2.size = 1;
        pointerCoords[0] = pc1;
        pointerCoords[1] = pc2;

        PointerProperties[] pointerProperties = new PointerProperties[2];
        PointerProperties pp1 = new PointerProperties();
        PointerProperties pp2 = new PointerProperties();
        pp1.id = 0;
        pp1.toolType = MotionEvent.TOOL_TYPE_FINGER;
        pp2.id = 1;
        pp2.toolType = MotionEvent.TOOL_TYPE_FINGER;
        pointerProperties[0] = pp1;
        pointerProperties[1] = pp2;

        MotionEvent event;
        // send the initial touches
        event = MotionEvent.obtain(downTime, eventTime,
                MotionEvent.ACTION_DOWN, 1, pointerProperties, pointerCoords,
                0, 0, // metaState, buttonState
                1, // x precision
                1, // y precision
                0, 0, 0, 0); // deviceId, edgeFlags, source, flags
        _instrument.sendPointerSync(event);

        event = MotionEvent.obtain(downTime, eventTime,
                MotionEvent.ACTION_POINTER_DOWN
                        + (pp2.id << MotionEvent.ACTION_POINTER_INDEX_SHIFT),
                2, pointerProperties, pointerCoords, 0, 0, 1, 1, 0, 0, 0, 0);
        _instrument.sendPointerSync(event);

        int numMoves = GESTURE_DURATION_MS / EVENT_TIME_INTERVAL_MS;

        float stepX1 = (endX1 - startX1) / numMoves;
        float stepY1 = (endY1 - startY1) / numMoves;
        float stepX2 = (endX2 - startX2) / numMoves;
        float stepY2 = (endY2 - startY2) / numMoves;

        // send the zoom
        for (int i = 0; i < numMoves; i++)
        {
            eventTime += EVENT_TIME_INTERVAL_MS;
            pointerCoords[0].x += stepX1;
            pointerCoords[0].y += stepY1;
            pointerCoords[1].x += stepX2;
            pointerCoords[1].y += stepY2;

            event = MotionEvent.obtain(downTime, eventTime,
                    MotionEvent.ACTION_MOVE, 2, pointerProperties,
                    pointerCoords, 0, 0, 1, 1, 0, 0, 0, 0);
            _instrument.sendPointerSync(event);
        }
    }
}