Move the ScaleGestureDetector.OnScaleGestureListener implementation over to PanZoomController rather than delegating through LayerController.

This commit is contained in:
Doug Turner 2011-11-07 14:17:01 -08:00
Родитель 0435d12c95
Коммит f08223cca2
3 изменённых файлов: 9 добавлений и 19 удалений

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@ -58,7 +58,7 @@ import java.util.ArrayList;
* zooming natively by delegating to a panning/zooming controller. Touch events can be dispatched
* to a higher-level view.
*/
public class LayerController implements ScaleGestureDetector.OnScaleGestureListener {
public class LayerController {
private Layer mRootLayer; /* The root layer. */
private LayerView mView; /* The main rendering view. */
private Context mContext; /* The current context. */
@ -98,8 +98,8 @@ public class LayerController implements ScaleGestureDetector.OnScaleGestureListe
else
mPageSize = new IntSize(LayerController.TILE_WIDTH, LayerController.TILE_HEIGHT);
mView = new LayerView(context, this);
mPanZoomController = new PanZoomController(this);
mView = new LayerView(context, this);
}
public void setRoot(Layer layer) { mRootLayer = layer; }
@ -121,6 +121,8 @@ public class LayerController implements ScaleGestureDetector.OnScaleGestureListe
public Bitmap getCheckerboardPattern() { return getDrawable("checkerboard"); }
public Bitmap getShadowPattern() { return getDrawable("shadow"); }
public ScaleGestureDetector.OnScaleGestureListener getScaleGestureListener() { return mPanZoomController; }
private Bitmap getDrawable(String name) {
Resources resources = mContext.getResources();
int resourceID = resources.getIdentifier(name, "drawable", mContext.getPackageName());
@ -256,21 +258,6 @@ public class LayerController implements ScaleGestureDetector.OnScaleGestureListe
return result;
}
@Override
public boolean onScale(ScaleGestureDetector detector) {
return mPanZoomController.onScale(detector);
}
@Override
public boolean onScaleBegin(ScaleGestureDetector detector) {
return mPanZoomController.onScaleBegin(detector);
}
@Override
public void onScaleEnd(ScaleGestureDetector detector) {
mPanZoomController.onScaleEnd(detector);
}
/**
* Objects that wish to listen for changes in the layer geometry (visible rect or screen size)
* should implement this interface and register themselves with addOnGeometryChangeListener().

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@ -68,7 +68,7 @@ public class LayerView extends GLSurfaceView {
mController = controller;
mRenderer = new LayerRenderer(this);
setRenderer(mRenderer);
mScaleGestureDetector = new ScaleGestureDetector(context, controller);
mScaleGestureDetector = new ScaleGestureDetector(context, controller.getScaleGestureListener());
mInputConnectionHandler = null;
setFocusable(true);

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@ -53,7 +53,7 @@ import java.util.TimerTask;
* Many ideas are from Joe Hewitt's Scrollability:
* https://github.com/joehewitt/scrollability/
*/
public class PanZoomController {
public class PanZoomController implements ScaleGestureDetector.OnScaleGestureListener {
private LayerController mController;
private static final float FRICTION = 0.97f;
@ -477,6 +477,7 @@ public class PanZoomController {
/*
* Zooming
*/
@Override
public boolean onScale(ScaleGestureDetector detector) {
float newZoom = detector.getCurrentSpan() / mInitialZoomSpan;
@ -491,6 +492,7 @@ public class PanZoomController {
return true;
}
@Override
public boolean onScaleBegin(ScaleGestureDetector detector) {
IntRect initialZoomRect = (IntRect)mController.getVisibleRect().clone();
float initialZoom = mController.getZoomFactor();
@ -501,6 +503,7 @@ public class PanZoomController {
return true;
}
@Override
public void onScaleEnd(ScaleGestureDetector detector) {
// TODO
}