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file cosmetics

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sonora 2016-12-27 23:42:11 +01:00
parent 3674025076
commit c1ff1a4c4f
1 changed files with 63 additions and 65 deletions
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102
OsmAnd/src/net/osmand/plus/views/MultiTouchSupport.java
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@ -16,26 +16,26 @@ public class MultiTouchSupport {
private static final Log log = PlatformUtil.getLog(MultiTouchSupport.class); private static final Log log = PlatformUtil.getLog(MultiTouchSupport.class);
public static final int ACTION_MASK = 255; public static final int ACTION_MASK = 255;
public static final int ACTION_POINTER_ID_SHIFT = 8; public static final int ACTION_POINTER_ID_SHIFT = 8;
public static final int ACTION_POINTER_DOWN = 5; public static final int ACTION_POINTER_DOWN = 5;
public static final int ACTION_POINTER_UP = 6; public static final int ACTION_POINTER_UP = 6;
private float angleStarted; private float angleStarted;
private float angleRelative; private float angleRelative;
public interface MultiTouchZoomListener { public interface MultiTouchZoomListener {
public void onZoomStarted(PointF centerPoint); public void onZoomStarted(PointF centerPoint);
public void onZoomingOrRotating(double relativeToStart, float angle); public void onZoomingOrRotating(double relativeToStart, float angle);
public void onZoomOrRotationEnded(double relativeToStart, float angleRelative); public void onZoomOrRotationEnded(double relativeToStart, float angleRelative);
public void onGestureInit(float x1, float y1, float x2, float y2); public void onGestureInit(float x1, float y1, float x2, float y2);
} }
private boolean multiTouchAPISupported = false; private boolean multiTouchAPISupported = false;
private final MultiTouchZoomListener listener; private final MultiTouchZoomListener listener;
protected final Context ctx; protected final Context ctx;
@ -45,45 +45,44 @@ public class MultiTouchSupport {
protected Method getPointerId; protected Method getPointerId;
public MultiTouchSupport(Context ctx, MultiTouchZoomListener listener){
public MultiTouchSupport(Context ctx, MultiTouchZoomListener listener){
this.ctx = ctx; this.ctx = ctx;
this.listener = listener; this.listener = listener;
initMethods(); initMethods();
} }
public boolean isMultiTouchSupported(){ public boolean isMultiTouchSupported(){
return multiTouchAPISupported; return multiTouchAPISupported;
} }
public boolean isInZoomMode(){ public boolean isInZoomMode(){
return inZoomMode; return inZoomMode;
} }
private void initMethods(){ private void initMethods(){
try { try {
getPointerCount = MotionEvent.class.getMethod("getPointerCount"); //$NON-NLS-1$ getPointerCount = MotionEvent.class.getMethod("getPointerCount"); //$NON-NLS-1$
getPointerId = MotionEvent.class.getMethod("getPointerId", Integer.TYPE); //$NON-NLS-1$ getPointerId = MotionEvent.class.getMethod("getPointerId", Integer.TYPE); //$NON-NLS-1$
getX = MotionEvent.class.getMethod("getX", Integer.TYPE); //$NON-NLS-1$ getX = MotionEvent.class.getMethod("getX", Integer.TYPE); //$NON-NLS-1$
getY = MotionEvent.class.getMethod("getY", Integer.TYPE); //$NON-NLS-1$ getY = MotionEvent.class.getMethod("getY", Integer.TYPE); //$NON-NLS-1$
multiTouchAPISupported = true; multiTouchAPISupported = true;
} catch (Exception e) { } catch (Exception e) {
multiTouchAPISupported = false; multiTouchAPISupported = false;
log.info("Multi touch not supported", e); //$NON-NLS-1$ log.info("Multi touch not supported", e); //$NON-NLS-1$
} }
} }
private boolean inZoomMode = false; private boolean inZoomMode = false;
private double zoomStartedDistance = 100; private double zoomStartedDistance = 100;
private double zoomRelative = 1; private double zoomRelative = 1;
private PointF centerPoint = new PointF(); private PointF centerPoint = new PointF();
public boolean onTouchEvent(MotionEvent event){ public boolean onTouchEvent(MotionEvent event){
if(!isMultiTouchSupported()){ if(!isMultiTouchSupported()){
return false; return false;
} }
int actionCode = event.getAction() & ACTION_MASK; int actionCode = event.getAction() & ACTION_MASK;
try { try {
Integer pointCount = (Integer) getPointerCount.invoke(event); Integer pointCount = (Integer) getPointerCount.invoke(event);
if(pointCount < 2){ if(pointCount < 2){
if(inZoomMode){ if(inZoomMode){
@ -97,12 +96,12 @@ public class MultiTouchSupport {
Float y1 = (Float) getY.invoke(event, 0); Float y1 = (Float) getY.invoke(event, 0);
Float y2 = (Float) getY.invoke(event, 1); Float y2 = (Float) getY.invoke(event, 1);
float distance = (float) Math.sqrt((x2 - x1) * (x2 - x1) + (y2 - y1) * (y2 - y1)); float distance = (float) Math.sqrt((x2 - x1) * (x2 - x1) + (y2 - y1) * (y2 - y1));
float angle = 0; float angle = 0;
boolean angleDefined = false; boolean angleDefined = false;
if(x1 != x2 || y1 != y2) { if(x1 != x2 || y1 != y2) {
angleDefined = true; angleDefined = true;
angle = (float) (Math.atan2(y2 - y1, x2 -x1) * 180 / Math.PI); angle = (float) (Math.atan2(y2 - y1, x2 -x1) * 180 / Math.PI);
} }
if (actionCode == ACTION_POINTER_DOWN) { if (actionCode == ACTION_POINTER_DOWN) {
centerPoint = new PointF((x1 + x2) / 2, (y1 + y2) / 2); centerPoint = new PointF((x1 + x2) / 2, (y1 + y2) / 2);
listener.onGestureInit(x1, y1, x2, y2); listener.onGestureInit(x1, y1, x2, y2);
@ -128,14 +127,13 @@ public class MultiTouchSupport {
} else if (pointCount >= 2) { } else if (pointCount >= 2) {
return true; return true;
} }
} catch (Exception e) { } catch (Exception e) {
log.debug("Multi touch exception" , e); //$NON-NLS-1$ log.debug("Multi touch exception" , e); //$NON-NLS-1$
} }
return false; return true;
} }
public PointF getCenterPoint() {
public PointF getCenterPoint() {
return centerPoint; return centerPoint;
} }
} }