From abd2b5c6fbf3ea563f22b6a8a12aeb3600cac9ed Mon Sep 17 00:00:00 2001 From: Leith Bade Date: Fri, 21 Nov 2014 22:31:19 +1100 Subject: [PATCH] Update gesutre detector lib --- .../com/mapbox/mapboxgl/app/MapFragment.java | 3 +- .../multitouch/BaseGestureDetector.java | 150 ++++++++++++ .../multitouch/MoveGestureDetector.java | 174 ++++++++++++++ .../multitouch/RotateGestureDetector.java | 169 +++++++++++++ .../multitouch/ShoveGestureDetector.java | 202 ++++++++++++++++ .../multitouch/TwoFingerGestureDetector.java | 179 ++++++++++++++ .../gesturedetectors/BaseGestureDetector.java | 161 ------------- .../gesturedetectors/MoveGestureDetector.java | 185 --------------- .../RotateGestureDetector.java | 180 -------------- .../ShoveGestureDetector.java | 213 ----------------- .../TwoFingerGestureDetector.java | 223 ------------------ .../com/mapbox/mapboxgl/lib/LonLatZoom.java | 2 +- .../java/com/mapbox/mapboxgl/lib/MapView.java | 126 ++++------ 13 files changed, 923 insertions(+), 1044 deletions(-) create mode 100644 android/java/lib/src/main/java/com/almeros/android/multitouch/BaseGestureDetector.java create mode 100644 android/java/lib/src/main/java/com/almeros/android/multitouch/MoveGestureDetector.java create mode 100644 android/java/lib/src/main/java/com/almeros/android/multitouch/RotateGestureDetector.java create mode 100644 android/java/lib/src/main/java/com/almeros/android/multitouch/ShoveGestureDetector.java create mode 100644 android/java/lib/src/main/java/com/almeros/android/multitouch/TwoFingerGestureDetector.java delete mode 100644 android/java/lib/src/main/java/com/almeros/android/multitouch/gesturedetectors/BaseGestureDetector.java delete mode 100644 android/java/lib/src/main/java/com/almeros/android/multitouch/gesturedetectors/MoveGestureDetector.java delete mode 100644 android/java/lib/src/main/java/com/almeros/android/multitouch/gesturedetectors/RotateGestureDetector.java delete mode 100644 android/java/lib/src/main/java/com/almeros/android/multitouch/gesturedetectors/ShoveGestureDetector.java delete mode 100644 android/java/lib/src/main/java/com/almeros/android/multitouch/gesturedetectors/TwoFingerGestureDetector.java diff --git a/android/java/app/src/main/java/com/mapbox/mapboxgl/app/MapFragment.java b/android/java/app/src/main/java/com/mapbox/mapboxgl/app/MapFragment.java index 65631a307b8..d5c5edafc75 100644 --- a/android/java/app/src/main/java/com/mapbox/mapboxgl/app/MapFragment.java +++ b/android/java/app/src/main/java/com/mapbox/mapboxgl/app/MapFragment.java @@ -28,8 +28,7 @@ public class MapFragment extends Fragment { // Called when the fragment is created @Override - public View onCreateView(LayoutInflater inflater, ViewGroup container, - Bundle savedInstanceState) { + public View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) { super.onCreateView(inflater, container, savedInstanceState); Log.v(TAG, "onCreateView"); diff --git a/android/java/lib/src/main/java/com/almeros/android/multitouch/BaseGestureDetector.java b/android/java/lib/src/main/java/com/almeros/android/multitouch/BaseGestureDetector.java new file mode 100644 index 00000000000..dafac2a1ab8 --- /dev/null +++ b/android/java/lib/src/main/java/com/almeros/android/multitouch/BaseGestureDetector.java @@ -0,0 +1,150 @@ +package com.almeros.android.multitouch; + +import android.content.Context; +import android.view.MotionEvent; + +/** + * @author Almer Thie (code.almeros.com) + * Copyright (c) 2013, Almer Thie (code.almeros.com) + * + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without modification, are permitted provided that the following conditions are met: + * + * Redistributions of source code must retain the above copyright notice, this list of conditions and the following disclaimer. + * Redistributions in binary form must reproduce the above copyright notice, this list of conditions and the following disclaimer + * in the documentation and/or other materials provided with the distribution. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, + * INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. + * IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, + * OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, + * OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, + * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY + * OF SUCH DAMAGE. + */ +public abstract class BaseGestureDetector { + protected final Context mContext; + protected boolean mGestureInProgress; + + protected MotionEvent mPrevEvent; + protected MotionEvent mCurrEvent; + + protected float mCurrPressure; + protected float mPrevPressure; + protected long mTimeDelta; + + + /** + * This value is the threshold ratio between the previous combined pressure + * and the current combined pressure. When pressure decreases rapidly + * between events the position values can often be imprecise, as it usually + * indicates that the user is in the process of lifting a pointer off of the + * device. This value was tuned experimentally. + */ + protected static final float PRESSURE_THRESHOLD = 0.67f; + + + public BaseGestureDetector(Context context) { + mContext = context; + } + + /** + * All gesture detectors need to be called through this method to be able to + * detect gestures. This method delegates work to handler methods + * (handleStartProgressEvent, handleInProgressEvent) implemented in + * extending classes. + * + * @param event + * @return + */ + public boolean onTouchEvent(MotionEvent event){ + final int actionCode = event.getAction() & MotionEvent.ACTION_MASK; + if (!mGestureInProgress) { + handleStartProgressEvent(actionCode, event); + } else { + handleInProgressEvent(actionCode, event); + } + return true; + } + + /** + * Called when the current event occurred when NO gesture is in progress + * yet. The handling in this implementation may set the gesture in progress + * (via mGestureInProgress) or out of progress + * @param actionCode + * @param event + */ + protected abstract void handleStartProgressEvent(int actionCode, MotionEvent event); + + /** + * Called when the current event occurred when a gesture IS in progress. The + * handling in this implementation may set the gesture out of progress (via + * mGestureInProgress). + * @param actionCode + * @param event + */ + protected abstract void handleInProgressEvent(int actionCode, MotionEvent event); + + + protected void updateStateByEvent(MotionEvent curr){ + final MotionEvent prev = mPrevEvent; + + // Reset mCurrEvent + if (mCurrEvent != null) { + mCurrEvent.recycle(); + mCurrEvent = null; + } + mCurrEvent = MotionEvent.obtain(curr); + + + // Delta time + mTimeDelta = curr.getEventTime() - prev.getEventTime(); + + // Pressure + mCurrPressure = curr.getPressure(curr.getActionIndex()); + mPrevPressure = prev.getPressure(prev.getActionIndex()); + } + + protected void resetState() { + if (mPrevEvent != null) { + mPrevEvent.recycle(); + mPrevEvent = null; + } + if (mCurrEvent != null) { + mCurrEvent.recycle(); + mCurrEvent = null; + } + mGestureInProgress = false; + } + + + /** + * Returns {@code true} if a gesture is currently in progress. + * @return {@code true} if a gesture is currently in progress, {@code false} otherwise. + */ + public boolean isInProgress() { + return mGestureInProgress; + } + + /** + * Return the time difference in milliseconds between the previous accepted + * GestureDetector event and the current GestureDetector event. + * + * @return Time difference since the last move event in milliseconds. + */ + public long getTimeDelta() { + return mTimeDelta; + } + + /** + * Return the event time of the current GestureDetector event being + * processed. + * + * @return Current GestureDetector event time in milliseconds. + */ + public long getEventTime() { + return mCurrEvent.getEventTime(); + } + +} diff --git a/android/java/lib/src/main/java/com/almeros/android/multitouch/MoveGestureDetector.java b/android/java/lib/src/main/java/com/almeros/android/multitouch/MoveGestureDetector.java new file mode 100644 index 00000000000..42d6bf32c4c --- /dev/null +++ b/android/java/lib/src/main/java/com/almeros/android/multitouch/MoveGestureDetector.java @@ -0,0 +1,174 @@ +package com.almeros.android.multitouch; + +import android.content.Context; +import android.graphics.PointF; +import android.view.MotionEvent; +import com.almeros.android.multitouch.BaseGestureDetector; + +/** + * @author Almer Thie (code.almeros.com) + * Copyright (c) 2013, Almer Thie (code.almeros.com) + * + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without modification, are permitted provided that the following conditions are met: + * + * Redistributions of source code must retain the above copyright notice, this list of conditions and the following disclaimer. + * Redistributions in binary form must reproduce the above copyright notice, this list of conditions and the following disclaimer + * in the documentation and/or other materials provided with the distribution. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, + * INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. + * IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, + * OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, + * OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, + * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY + * OF SUCH DAMAGE. + */ +public class MoveGestureDetector extends BaseGestureDetector { + + /** + * Listener which must be implemented which is used by MoveGestureDetector + * to perform callbacks to any implementing class which is registered to a + * MoveGestureDetector via the constructor. + * + * @see MoveGestureDetector.SimpleOnMoveGestureListener + */ + public interface OnMoveGestureListener { + public boolean onMove(MoveGestureDetector detector); + public boolean onMoveBegin(MoveGestureDetector detector); + public void onMoveEnd(MoveGestureDetector detector); + } + + /** + * Helper class which may be extended and where the methods may be + * implemented. This way it is not necessary to implement all methods + * of OnMoveGestureListener. + */ + public static class SimpleOnMoveGestureListener implements OnMoveGestureListener { + public boolean onMove(MoveGestureDetector detector) { + return false; + } + + public boolean onMoveBegin(MoveGestureDetector detector) { + return true; + } + + public void onMoveEnd(MoveGestureDetector detector) { + // Do nothing, overridden implementation may be used + } + } + + private static final PointF FOCUS_DELTA_ZERO = new PointF(); + + private final OnMoveGestureListener mListener; + + private PointF mCurrFocusInternal; + private PointF mPrevFocusInternal; + private PointF mFocusExternal = new PointF(); + private PointF mFocusDeltaExternal = new PointF(); + + + public MoveGestureDetector(Context context, OnMoveGestureListener listener) { + super(context); + mListener = listener; + } + + @Override + protected void handleStartProgressEvent(int actionCode, MotionEvent event){ + switch (actionCode) { + case MotionEvent.ACTION_DOWN: + resetState(); // In case we missed an UP/CANCEL event + + mPrevEvent = MotionEvent.obtain(event); + mTimeDelta = 0; + + updateStateByEvent(event); + break; + + case MotionEvent.ACTION_MOVE: + mGestureInProgress = mListener.onMoveBegin(this); + break; + } + } + + @Override + protected void handleInProgressEvent(int actionCode, MotionEvent event){ + switch (actionCode) { + case MotionEvent.ACTION_UP: + case MotionEvent.ACTION_CANCEL: + mListener.onMoveEnd(this); + resetState(); + break; + + case MotionEvent.ACTION_MOVE: + updateStateByEvent(event); + + // Only accept the event if our relative pressure is within + // a certain limit. This can help filter shaky data as a + // finger is lifted. + if (mCurrPressure / mPrevPressure > PRESSURE_THRESHOLD) { + final boolean updatePrevious = mListener.onMove(this); + if (updatePrevious) { + mPrevEvent.recycle(); + mPrevEvent = MotionEvent.obtain(event); + } + } + break; + } + } + + protected void updateStateByEvent(MotionEvent curr) { + super.updateStateByEvent(curr); + + final MotionEvent prev = mPrevEvent; + + // Focus intenal + mCurrFocusInternal = determineFocalPoint(curr); + mPrevFocusInternal = determineFocalPoint(prev); + + // Focus external + // - Prevent skipping of focus delta when a finger is added or removed + boolean mSkipNextMoveEvent = prev.getPointerCount() != curr.getPointerCount(); + mFocusDeltaExternal = mSkipNextMoveEvent ? FOCUS_DELTA_ZERO : new PointF(mCurrFocusInternal.x - mPrevFocusInternal.x, mCurrFocusInternal.y - mPrevFocusInternal.y); + + // - Don't directly use mFocusInternal (or skipping will occur). Add + // unskipped delta values to mFocusExternal instead. + mFocusExternal.x += mFocusDeltaExternal.x; + mFocusExternal.y += mFocusDeltaExternal.y; + } + + /** + * Determine (multi)finger focal point (a.k.a. center point between all + * fingers) + * + * @param MotionEvent e + * @return PointF focal point + */ + private PointF determineFocalPoint(MotionEvent e){ + // Number of fingers on screen + final int pCount = e.getPointerCount(); + float x = 0f; + float y = 0f; + + for(int i = 0; i < pCount; i++){ + x += e.getX(i); + y += e.getY(i); + } + + return new PointF(x/pCount, y/pCount); + } + + public float getFocusX() { + return mFocusExternal.x; + } + + public float getFocusY() { + return mFocusExternal.y; + } + + public PointF getFocusDelta() { + return mFocusDeltaExternal; + } + +} diff --git a/android/java/lib/src/main/java/com/almeros/android/multitouch/RotateGestureDetector.java b/android/java/lib/src/main/java/com/almeros/android/multitouch/RotateGestureDetector.java new file mode 100644 index 00000000000..ba27af18ac1 --- /dev/null +++ b/android/java/lib/src/main/java/com/almeros/android/multitouch/RotateGestureDetector.java @@ -0,0 +1,169 @@ +package com.almeros.android.multitouch; + +import android.content.Context; +import android.view.MotionEvent; + +/** + * @author Almer Thie (code.almeros.com) + * Copyright (c) 2013, Almer Thie (code.almeros.com) + * + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without modification, are permitted provided that the following conditions are met: + * + * Redistributions of source code must retain the above copyright notice, this list of conditions and the following disclaimer. + * Redistributions in binary form must reproduce the above copyright notice, this list of conditions and the following disclaimer + * in the documentation and/or other materials provided with the distribution. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, + * INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. + * IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, + * OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, + * OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, + * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY + * OF SUCH DAMAGE. + */ +public class RotateGestureDetector extends TwoFingerGestureDetector { + + /** + * Listener which must be implemented which is used by RotateGestureDetector + * to perform callbacks to any implementing class which is registered to a + * RotateGestureDetector via the constructor. + * + * @see RotateGestureDetector.SimpleOnRotateGestureListener + */ + public interface OnRotateGestureListener { + public boolean onRotate(RotateGestureDetector detector); + public boolean onRotateBegin(RotateGestureDetector detector); + public void onRotateEnd(RotateGestureDetector detector); + } + + /** + * Helper class which may be extended and where the methods may be + * implemented. This way it is not necessary to implement all methods + * of OnRotateGestureListener. + */ + public static class SimpleOnRotateGestureListener implements OnRotateGestureListener { + public boolean onRotate(RotateGestureDetector detector) { + return false; + } + + public boolean onRotateBegin(RotateGestureDetector detector) { + return true; + } + + public void onRotateEnd(RotateGestureDetector detector) { + // Do nothing, overridden implementation may be used + } + } + + + private final OnRotateGestureListener mListener; + private boolean mSloppyGesture; + + public RotateGestureDetector(Context context, OnRotateGestureListener listener) { + super(context); + mListener = listener; + } + + @Override + protected void handleStartProgressEvent(int actionCode, MotionEvent event){ + switch (actionCode) { + case MotionEvent.ACTION_POINTER_DOWN: + // At least the second finger is on screen now + + resetState(); // In case we missed an UP/CANCEL event + mPrevEvent = MotionEvent.obtain(event); + mTimeDelta = 0; + + updateStateByEvent(event); + + // See if we have a sloppy gesture + mSloppyGesture = isSloppyGesture(event); + if(!mSloppyGesture){ + // No, start gesture now + mGestureInProgress = mListener.onRotateBegin(this); + } + break; + + case MotionEvent.ACTION_MOVE: + if (!mSloppyGesture) { + break; + } + + // See if we still have a sloppy gesture + mSloppyGesture = isSloppyGesture(event); + if(!mSloppyGesture){ + // No, start normal gesture now + mGestureInProgress = mListener.onRotateBegin(this); + } + + break; + + case MotionEvent.ACTION_POINTER_UP: + if (!mSloppyGesture) { + break; + } + + break; + } + } + + + @Override + protected void handleInProgressEvent(int actionCode, MotionEvent event){ + switch (actionCode) { + case MotionEvent.ACTION_POINTER_UP: + // Gesture ended but + updateStateByEvent(event); + + if (!mSloppyGesture) { + mListener.onRotateEnd(this); + } + + resetState(); + break; + + case MotionEvent.ACTION_CANCEL: + if (!mSloppyGesture) { + mListener.onRotateEnd(this); + } + + resetState(); + break; + + case MotionEvent.ACTION_MOVE: + updateStateByEvent(event); + + // Only accept the event if our relative pressure is within + // a certain limit. This can help filter shaky data as a + // finger is lifted. + if (mCurrPressure / mPrevPressure > PRESSURE_THRESHOLD) { + final boolean updatePrevious = mListener.onRotate(this); + if (updatePrevious) { + mPrevEvent.recycle(); + mPrevEvent = MotionEvent.obtain(event); + } + } + break; + } + } + + @Override + protected void resetState() { + super.resetState(); + mSloppyGesture = false; + } + + + /** + * Return the rotation difference from the previous rotate event to the current + * event. + * + * @return The current rotation //difference in degrees. + */ + public float getRotationDegreesDelta() { + double diffRadians = Math.atan2(mPrevFingerDiffY, mPrevFingerDiffX) - Math.atan2(mCurrFingerDiffY, mCurrFingerDiffX); + return (float) (diffRadians * 180 / Math.PI); + } +} diff --git a/android/java/lib/src/main/java/com/almeros/android/multitouch/ShoveGestureDetector.java b/android/java/lib/src/main/java/com/almeros/android/multitouch/ShoveGestureDetector.java new file mode 100644 index 00000000000..cb8f818709f --- /dev/null +++ b/android/java/lib/src/main/java/com/almeros/android/multitouch/ShoveGestureDetector.java @@ -0,0 +1,202 @@ +package com.almeros.android.multitouch; + +import android.content.Context; +import android.view.MotionEvent; + +/** + * @author Robert Nordan (robert.nordan@norkart.no) + * + * Copyright (c) 2013, Norkart AS + * + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without modification, are permitted provided that the following conditions are met: + * + * Redistributions of source code must retain the above copyright notice, this list of conditions and the following disclaimer. + * Redistributions in binary form must reproduce the above copyright notice, this list of conditions and the following disclaimer + * in the documentation and/or other materials provided with the distribution. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, + * INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. + * IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, + * OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, + * OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, + * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY + * OF SUCH DAMAGE. + */ +public class ShoveGestureDetector extends TwoFingerGestureDetector { + + /** + * Listener which must be implemented which is used by ShoveGestureDetector + * to perform callbacks to any implementing class which is registered to a + * ShoveGestureDetector via the constructor. + * + * @see ShoveGestureDetector.SimpleOnShoveGestureListener + */ + public interface OnShoveGestureListener { + public boolean onShove(ShoveGestureDetector detector); + public boolean onShoveBegin(ShoveGestureDetector detector); + public void onShoveEnd(ShoveGestureDetector detector); + } + + /** + * Helper class which may be extended and where the methods may be + * implemented. This way it is not necessary to implement all methods + * of OnShoveGestureListener. + */ + public static class SimpleOnShoveGestureListener implements OnShoveGestureListener { + public boolean onShove(ShoveGestureDetector detector) { + return false; + } + + public boolean onShoveBegin(ShoveGestureDetector detector) { + return true; + } + + public void onShoveEnd(ShoveGestureDetector detector) { + // Do nothing, overridden implementation may be used + } + } + + private float mPrevAverageY; + private float mCurrAverageY; + + private final OnShoveGestureListener mListener; + private boolean mSloppyGesture; + + public ShoveGestureDetector(Context context, OnShoveGestureListener listener) { + super(context); + mListener = listener; + } + + @Override + protected void handleStartProgressEvent(int actionCode, MotionEvent event){ + switch (actionCode) { + case MotionEvent.ACTION_POINTER_DOWN: + // At least the second finger is on screen now + + resetState(); // In case we missed an UP/CANCEL event + mPrevEvent = MotionEvent.obtain(event); + mTimeDelta = 0; + + updateStateByEvent(event); + + // See if we have a sloppy gesture + mSloppyGesture = isSloppyGesture(event); + if(!mSloppyGesture){ + // No, start gesture now + mGestureInProgress = mListener.onShoveBegin(this); + } + break; + + case MotionEvent.ACTION_MOVE: + if (!mSloppyGesture) { + break; + } + + // See if we still have a sloppy gesture + mSloppyGesture = isSloppyGesture(event); + if(!mSloppyGesture){ + // No, start normal gesture now + mGestureInProgress = mListener.onShoveBegin(this); + } + + break; + + case MotionEvent.ACTION_POINTER_UP: + if (!mSloppyGesture) { + break; + } + + break; + } + } + + + @Override + protected void handleInProgressEvent(int actionCode, MotionEvent event){ + switch (actionCode) { + case MotionEvent.ACTION_POINTER_UP: + // Gesture ended but + updateStateByEvent(event); + + if (!mSloppyGesture) { + mListener.onShoveEnd(this); + } + + resetState(); + break; + + case MotionEvent.ACTION_CANCEL: + if (!mSloppyGesture) { + mListener.onShoveEnd(this); + } + + resetState(); + break; + + case MotionEvent.ACTION_MOVE: + updateStateByEvent(event); + + // Only accept the event if our relative pressure is within + // a certain limit. This can help filter shaky data as a + // finger is lifted. Also check that shove is meaningful. + if (mCurrPressure / mPrevPressure > PRESSURE_THRESHOLD + && Math.abs(getShovePixelsDelta()) > 0.5f) { + final boolean updatePrevious = mListener.onShove(this); + if (updatePrevious) { + mPrevEvent.recycle(); + mPrevEvent = MotionEvent.obtain(event); + } + } + break; + } + } + + @Override + protected void resetState() { + super.resetState(); + mSloppyGesture = false; + mPrevAverageY = 0.0f; + mCurrAverageY = 0.0f; + } + + @Override + protected void updateStateByEvent(MotionEvent curr){ + super.updateStateByEvent(curr); + + final MotionEvent prev = mPrevEvent; + float py0 = prev.getY(0); + float py1 = prev.getY(1); + mPrevAverageY = (py0 + py1) / 2.0f; + + float cy0 = curr.getY(0); + float cy1 = curr.getY(1); + mCurrAverageY = (cy0 + cy1) / 2.0f; + } + + @Override + protected boolean isSloppyGesture(MotionEvent event){ + boolean sloppy = super.isSloppyGesture(event); + if (sloppy) + return true; + + // If it's not traditionally sloppy, we check if the angle between fingers + // is acceptable. + double angle = Math.abs(Math.atan2(mCurrFingerDiffY, mCurrFingerDiffX)); + //about 20 degrees, left or right + return !(( 0.0f < angle && angle < 0.35f) + || 2.79f < angle && angle < Math.PI); + } + + + /** + * Return the distance in pixels from the previous shove event to the current + * event. + * + * @return The current distance in pixels. + */ + public float getShovePixelsDelta() { + return mCurrAverageY - mPrevAverageY; + } +} diff --git a/android/java/lib/src/main/java/com/almeros/android/multitouch/TwoFingerGestureDetector.java b/android/java/lib/src/main/java/com/almeros/android/multitouch/TwoFingerGestureDetector.java new file mode 100644 index 00000000000..57e4e21d2da --- /dev/null +++ b/android/java/lib/src/main/java/com/almeros/android/multitouch/TwoFingerGestureDetector.java @@ -0,0 +1,179 @@ +package com.almeros.android.multitouch; + +import android.content.Context; +import android.util.DisplayMetrics; +import android.view.MotionEvent; +import android.view.ViewConfiguration; + +/** + * @author Almer Thie (code.almeros.com) + * Copyright (c) 2013, Almer Thie (code.almeros.com) + * + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without modification, are permitted provided that the following conditions are met: + * + * Redistributions of source code must retain the above copyright notice, this list of conditions and the following disclaimer. + * Redistributions in binary form must reproduce the above copyright notice, this list of conditions and the following disclaimer + * in the documentation and/or other materials provided with the distribution. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, + * INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. + * IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, + * OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, + * OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, + * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY + * OF SUCH DAMAGE. + */ +public abstract class TwoFingerGestureDetector extends BaseGestureDetector { + + private final float mEdgeSlop; + private float mRightSlopEdge; + private float mBottomSlopEdge; + + protected float mPrevFingerDiffX; + protected float mPrevFingerDiffY; + protected float mCurrFingerDiffX; + protected float mCurrFingerDiffY; + + private float mCurrLen; + private float mPrevLen; + + public TwoFingerGestureDetector(Context context) { + super(context); + + ViewConfiguration config = ViewConfiguration.get(context); + mEdgeSlop = config.getScaledEdgeSlop(); + } + + @Override + protected abstract void handleStartProgressEvent(int actionCode, MotionEvent event); + + @Override + protected abstract void handleInProgressEvent(int actionCode, MotionEvent event); + + protected void updateStateByEvent(MotionEvent curr){ + super.updateStateByEvent(curr); + + final MotionEvent prev = mPrevEvent; + + mCurrLen = -1; + mPrevLen = -1; + + // Previous + final float px0 = prev.getX(0); + final float py0 = prev.getY(0); + final float px1 = prev.getX(1); + final float py1 = prev.getY(1); + final float pvx = px1 - px0; + final float pvy = py1 - py0; + mPrevFingerDiffX = pvx; + mPrevFingerDiffY = pvy; + + // Current + final float cx0 = curr.getX(0); + final float cy0 = curr.getY(0); + final float cx1 = curr.getX(1); + final float cy1 = curr.getY(1); + final float cvx = cx1 - cx0; + final float cvy = cy1 - cy0; + mCurrFingerDiffX = cvx; + mCurrFingerDiffY = cvy; + } + + /** + * Return the current distance between the two pointers forming the + * gesture in progress. + * + * @return Distance between pointers in pixels. + */ + public float getCurrentSpan() { + if (mCurrLen == -1) { + final float cvx = mCurrFingerDiffX; + final float cvy = mCurrFingerDiffY; + mCurrLen = (float)Math.sqrt(cvx*cvx + cvy*cvy); + } + return mCurrLen; + } + + /** + * Return the previous distance between the two pointers forming the + * gesture in progress. + * + * @return Previous distance between pointers in pixels. + */ + public float getPreviousSpan() { + if (mPrevLen == -1) { + final float pvx = mPrevFingerDiffX; + final float pvy = mPrevFingerDiffY; + mPrevLen = (float)Math.sqrt(pvx*pvx + pvy*pvy); + } + return mPrevLen; + } + + /** + * MotionEvent has no getRawX(int) method; simulate it pending future API approval. + * @param event + * @param pointerIndex + * @return + */ + protected static float getRawX(MotionEvent event, int pointerIndex) { + float offset = event.getX() - event.getRawX(); + if(pointerIndex < event.getPointerCount()){ + return event.getX(pointerIndex) + offset; + } + return 0f; + } + + /** + * MotionEvent has no getRawY(int) method; simulate it pending future API approval. + * @param event + * @param pointerIndex + * @return + */ + protected static float getRawY(MotionEvent event, int pointerIndex) { + float offset = event.getY() - event.getRawY(); + if(pointerIndex < event.getPointerCount()){ + return event.getY(pointerIndex) + offset; + } + return 0f; + } + + /** + * Check if we have a sloppy gesture. Sloppy gestures can happen if the edge + * of the user's hand is touching the screen, for example. + * + * @param event + * @return + */ + protected boolean isSloppyGesture(MotionEvent event){ + // As orientation can change, query the metrics in touch down + DisplayMetrics metrics = mContext.getResources().getDisplayMetrics(); + mRightSlopEdge = metrics.widthPixels - mEdgeSlop; + mBottomSlopEdge = metrics.heightPixels - mEdgeSlop; + + final float edgeSlop = mEdgeSlop; + final float rightSlop = mRightSlopEdge; + final float bottomSlop = mBottomSlopEdge; + + final float x0 = event.getRawX(); + final float y0 = event.getRawY(); + final float x1 = getRawX(event, 1); + final float y1 = getRawY(event, 1); + + boolean p0sloppy = x0 < edgeSlop || y0 < edgeSlop + || x0 > rightSlop || y0 > bottomSlop; + boolean p1sloppy = x1 < edgeSlop || y1 < edgeSlop + || x1 > rightSlop || y1 > bottomSlop; + + if (p0sloppy && p1sloppy) { + return true; + } else if (p0sloppy) { + return true; + } else if (p1sloppy) { + return true; + } + return false; + } + +} diff --git a/android/java/lib/src/main/java/com/almeros/android/multitouch/gesturedetectors/BaseGestureDetector.java b/android/java/lib/src/main/java/com/almeros/android/multitouch/gesturedetectors/BaseGestureDetector.java deleted file mode 100644 index 720a1f541b5..00000000000 --- a/android/java/lib/src/main/java/com/almeros/android/multitouch/gesturedetectors/BaseGestureDetector.java +++ /dev/null @@ -1,161 +0,0 @@ -package com.almeros.android.multitouch.gesturedetectors; - -import android.content.Context; -import android.view.MotionEvent; - -/** - * @author Almer Thie (code.almeros.com) Copyright (c) 2013, Almer Thie - * (code.almeros.com) - * - * All rights reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions - * are met: - * - * Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. - * Redistributions in binary form must reproduce the above copyright - * notice, this list of conditions and the following disclaimer in the - * documentation and/or other materials provided with the distribution. - * - * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS - * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT - * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR - * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT - * HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, - * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, - * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS - * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED - * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT - * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY - * WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE - * POSSIBILITY OF SUCH DAMAGE. - */ -public abstract class BaseGestureDetector { - protected final Context mContext; - protected boolean mGestureInProgress; - - protected MotionEvent mPrevEvent; - protected MotionEvent mCurrEvent; - - protected float mCurrPressure; - protected float mPrevPressure; - protected long mTimeDelta; - - /** - * This value is the threshold ratio between the previous combined pressure - * and the current combined pressure. When pressure decreases rapidly - * between events the position values can often be imprecise, as it usually - * indicates that the user is in the process of lifting a pointer off of the - * device. This value was tuned experimentally. - */ - protected static final float PRESSURE_THRESHOLD = 0.67f; - - public BaseGestureDetector(Context context) { - mContext = context; - } - - /** - * All gesture detectors need to be called through this method to be able to - * detect gestures. This method delegates work to handler methods - * (handleStartProgressEvent, handleInProgressEvent) implemented in - * extending classes. - * - * @param event - * @return - */ - public boolean onTouchEvent(MotionEvent event) { - final int actionCode = event.getAction() & MotionEvent.ACTION_MASK; - if (!mGestureInProgress) { - handleStartProgressEvent(actionCode, event); - } else { - handleInProgressEvent(actionCode, event); - } - return true; - } - - /** - * Called when the current event occurred when NO gesture is in progress - * yet. The handling in this implementation may set the gesture in progress - * (via mGestureInProgress) or out of progress - * - * @param actionCode - * @param event - */ - protected abstract void handleStartProgressEvent(int actionCode, - MotionEvent event); - - /** - * Called when the current event occurred when a gesture IS in progress. The - * handling in this implementation may set the gesture out of progress (via - * mGestureInProgress). - * - * - * @param actionCode - * @param event - */ - protected abstract void handleInProgressEvent(int actionCode, - MotionEvent event); - - protected void updateStateByEvent(MotionEvent curr) { - final MotionEvent prev = mPrevEvent; - - // Reset mCurrEvent - if (mCurrEvent != null) { - mCurrEvent.recycle(); - mCurrEvent = null; - } - mCurrEvent = MotionEvent.obtain(curr); - - // Delta time - mTimeDelta = curr.getEventTime() - prev.getEventTime(); - - // Pressure - mCurrPressure = curr.getPressure(curr.getActionIndex()); - mPrevPressure = prev.getPressure(prev.getActionIndex()); - } - - protected void resetState() { - if (mPrevEvent != null) { - mPrevEvent.recycle(); - mPrevEvent = null; - } - if (mCurrEvent != null) { - mCurrEvent.recycle(); - mCurrEvent = null; - } - mGestureInProgress = false; - } - - /** - * Returns {@code true} if a gesture is currently in progress. - * - * @return {@code true} if a gesture is currently in progress, {@code false} - * otherwise. - */ - public boolean isInProgress() { - return mGestureInProgress; - } - - /** - * Return the time difference in milliseconds between the previous accepted - * GestureDetector event and the current GestureDetector event. - * - * @return Time difference since the last move event in milliseconds. - */ - public long getTimeDelta() { - return mTimeDelta; - } - - /** - * Return the event time of the current GestureDetector event being - * processed. - * - * @return Current GestureDetector event time in milliseconds. - */ - public long getEventTime() { - return mCurrEvent.getEventTime(); - } - -} diff --git a/android/java/lib/src/main/java/com/almeros/android/multitouch/gesturedetectors/MoveGestureDetector.java b/android/java/lib/src/main/java/com/almeros/android/multitouch/gesturedetectors/MoveGestureDetector.java deleted file mode 100644 index 2430f3f920e..00000000000 --- a/android/java/lib/src/main/java/com/almeros/android/multitouch/gesturedetectors/MoveGestureDetector.java +++ /dev/null @@ -1,185 +0,0 @@ -package com.almeros.android.multitouch.gesturedetectors; - -import android.content.Context; -import android.graphics.PointF; -import android.view.MotionEvent; - -/** - * @author Almer Thie (code.almeros.com) Copyright (c) 2013, Almer Thie - * (code.almeros.com) - * - * All rights reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions - * are met: - * - * Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. - * Redistributions in binary form must reproduce the above copyright - * notice, this list of conditions and the following disclaimer in the - * documentation and/or other materials provided with the distribution. - * - * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS - * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT - * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR - * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT - * HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, - * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, - * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS - * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED - * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT - * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY - * WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE - * POSSIBILITY OF SUCH DAMAGE. - */ -public class MoveGestureDetector extends BaseGestureDetector { - - /** - * Listener which must be implemented which is used by MoveGestureDetector - * to perform callbacks to any implementing class which is registered to a - * MoveGestureDetector via the constructor. - * - * @see MoveGestureDetector.SimpleOnMoveGestureListener - */ - public interface OnMoveGestureListener { - public boolean onMove(MoveGestureDetector detector); - - public boolean onMoveBegin(MoveGestureDetector detector); - - public void onMoveEnd(MoveGestureDetector detector); - } - - /** - * Helper class which may be extended and where the methods may be - * implemented. This way it is not necessary to implement all methods of - * OnMoveGestureListener. - */ - public static class SimpleOnMoveGestureListener implements - OnMoveGestureListener { - public boolean onMove(MoveGestureDetector detector) { - return false; - } - - public boolean onMoveBegin(MoveGestureDetector detector) { - return true; - } - - public void onMoveEnd(MoveGestureDetector detector) { - // Do nothing, overridden implementation may be used - } - } - - private static final PointF FOCUS_DELTA_ZERO = new PointF(); - - private final OnMoveGestureListener mListener; - - private PointF mFocusExternal = new PointF(); - private PointF mFocusDeltaExternal = new PointF(); - - public MoveGestureDetector(Context context, OnMoveGestureListener listener) { - super(context); - mListener = listener; - } - - @Override - protected void handleStartProgressEvent(int actionCode, MotionEvent event) { - switch (actionCode) { - case MotionEvent.ACTION_DOWN: - resetState(); // In case we missed an UP/CANCEL event - - mPrevEvent = MotionEvent.obtain(event); - mTimeDelta = 0; - - updateStateByEvent(event); - break; - - case MotionEvent.ACTION_MOVE: - mGestureInProgress = mListener.onMoveBegin(this); - break; - } - } - - @Override - protected void handleInProgressEvent(int actionCode, MotionEvent event) { - switch (actionCode) { - case MotionEvent.ACTION_UP: - case MotionEvent.ACTION_CANCEL: - mListener.onMoveEnd(this); - resetState(); - break; - - case MotionEvent.ACTION_MOVE: - updateStateByEvent(event); - - // Only accept the event if our relative pressure is within - // a certain limit. This can help filter shaky data as a - // finger is lifted. - if (mCurrPressure / mPrevPressure > PRESSURE_THRESHOLD) { - final boolean updatePrevious = mListener.onMove(this); - if (updatePrevious) { - mPrevEvent.recycle(); - mPrevEvent = MotionEvent.obtain(event); - } - } - break; - } - } - - protected void updateStateByEvent(MotionEvent curr) { - super.updateStateByEvent(curr); - - final MotionEvent prev = mPrevEvent; - - // Focus intenal - PointF mCurrFocusInternal = determineFocalPoint(curr); - PointF mPrevFocusInternal = determineFocalPoint(prev); - - // Focus external - // - Prevent skipping of focus delta when a finger is added or removed - boolean mSkipNextMoveEvent = prev.getPointerCount() != curr - .getPointerCount(); - mFocusDeltaExternal = mSkipNextMoveEvent ? FOCUS_DELTA_ZERO - : new PointF(mCurrFocusInternal.x - mPrevFocusInternal.x, - mCurrFocusInternal.y - mPrevFocusInternal.y); - - // - Don't directly use mFocusInternal (or skipping will occur). Add - // unskipped delta values to mFocusExternal instead. - mFocusExternal.x += mFocusDeltaExternal.x; - mFocusExternal.y += mFocusDeltaExternal.y; - } - - /** - * Determine (multi)finger focal point (a.k.a. center point between all - * fingers) - * - * @param e - * @return PointF focal point - */ - private PointF determineFocalPoint(MotionEvent e) { - // Number of fingers on screen - final int pCount = e.getPointerCount(); - float x = 0.0f; - float y = 0.0f; - - for (int i = 0; i < pCount; i++) { - x += e.getX(i); - y += e.getY(i); - } - - return new PointF(x / pCount, y / pCount); - } - - public float getFocusX() { - return mFocusExternal.x; - } - - public float getFocusY() { - return mFocusExternal.y; - } - - public PointF getFocusDelta() { - return mFocusDeltaExternal; - } - -} diff --git a/android/java/lib/src/main/java/com/almeros/android/multitouch/gesturedetectors/RotateGestureDetector.java b/android/java/lib/src/main/java/com/almeros/android/multitouch/gesturedetectors/RotateGestureDetector.java deleted file mode 100644 index 124fe8509c8..00000000000 --- a/android/java/lib/src/main/java/com/almeros/android/multitouch/gesturedetectors/RotateGestureDetector.java +++ /dev/null @@ -1,180 +0,0 @@ -package com.almeros.android.multitouch.gesturedetectors; - -import android.content.Context; -import android.view.MotionEvent; - -/** - * @author Almer Thie (code.almeros.com) Copyright (c) 2013, Almer Thie - * (code.almeros.com) - * - * All rights reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions - * are met: - * - * Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. - * Redistributions in binary form must reproduce the above copyright - * notice, this list of conditions and the following disclaimer in the - * documentation and/or other materials provided with the distribution. - * - * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS - * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT - * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR - * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT - * HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, - * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, - * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS - * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED - * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT - * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY - * WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE - * POSSIBILITY OF SUCH DAMAGE. - */ -public class RotateGestureDetector extends TwoFingerGestureDetector { - - /** - * Listener which must be implemented which is used by RotateGestureDetector - * to perform callbacks to any implementing class which is registered to a - * RotateGestureDetector via the constructor. - * - * @see RotateGestureDetector.SimpleOnRotateGestureListener - */ - public interface OnRotateGestureListener { - public boolean onRotate(RotateGestureDetector detector); - - public boolean onRotateBegin(RotateGestureDetector detector); - - public void onRotateEnd(RotateGestureDetector detector); - } - - /** - * Helper class which may be extended and where the methods may be - * implemented. This way it is not necessary to implement all methods of - * OnRotateGestureListener. - */ - public static class SimpleOnRotateGestureListener implements - OnRotateGestureListener { - public boolean onRotate(RotateGestureDetector detector) { - return false; - } - - public boolean onRotateBegin(RotateGestureDetector detector) { - return true; - } - - public void onRotateEnd(RotateGestureDetector detector) { - // Do nothing, overridden implementation may be used - } - } - - private final OnRotateGestureListener mListener; - private boolean mSloppyGesture; - - public RotateGestureDetector(Context context, - OnRotateGestureListener listener) { - super(context); - mListener = listener; - } - - @Override - protected void handleStartProgressEvent(int actionCode, MotionEvent event) { - switch (actionCode) { - case MotionEvent.ACTION_POINTER_DOWN: - // At least the second finger is on screen now - - resetState(); // In case we missed an UP/CANCEL event - mPrevEvent = MotionEvent.obtain(event); - mTimeDelta = 0; - - updateStateByEvent(event); - - // See if we have a sloppy gesture - mSloppyGesture = isSloppyGesture(event); - if (!mSloppyGesture) { - // No, start gesture now - mGestureInProgress = mListener.onRotateBegin(this); - } - break; - - case MotionEvent.ACTION_MOVE: - if (!mSloppyGesture) { - break; - } - - // See if we still have a sloppy gesture - mSloppyGesture = isSloppyGesture(event); - if (!mSloppyGesture) { - // No, start normal gesture now - mGestureInProgress = mListener.onRotateBegin(this); - } - - break; - - case MotionEvent.ACTION_POINTER_UP: - if (!mSloppyGesture) { - break; - } - - break; - } - } - - @Override - protected void handleInProgressEvent(int actionCode, MotionEvent event) { - switch (actionCode) { - case MotionEvent.ACTION_POINTER_UP: - // Gesture ended but - updateStateByEvent(event); - - if (!mSloppyGesture) { - mListener.onRotateEnd(this); - } - - resetState(); - break; - - case MotionEvent.ACTION_CANCEL: - if (!mSloppyGesture) { - mListener.onRotateEnd(this); - } - - resetState(); - break; - - case MotionEvent.ACTION_MOVE: - updateStateByEvent(event); - - // Only accept the event if our relative pressure is within - // a certain limit. This can help filter shaky data as a - // finger is lifted. - if (mCurrPressure / mPrevPressure > PRESSURE_THRESHOLD) { - final boolean updatePrevious = mListener.onRotate(this); - if (updatePrevious) { - mPrevEvent.recycle(); - mPrevEvent = MotionEvent.obtain(event); - } - } - break; - } - } - - @Override - protected void resetState() { - super.resetState(); - mSloppyGesture = false; - } - - /** - * Return the rotation difference from the previous rotate event to the - * current event. - * - * @return The current rotation //difference in degrees. - */ - public float getRotationDegreesDelta() { - double diffRadians = Math.atan2(mPrevFingerDiffY, mPrevFingerDiffX) - - Math.atan2(mCurrFingerDiffY, mCurrFingerDiffX); - return (float) (diffRadians * 180.0 / Math.PI); - } -} diff --git a/android/java/lib/src/main/java/com/almeros/android/multitouch/gesturedetectors/ShoveGestureDetector.java b/android/java/lib/src/main/java/com/almeros/android/multitouch/gesturedetectors/ShoveGestureDetector.java deleted file mode 100644 index 254597105b1..00000000000 --- a/android/java/lib/src/main/java/com/almeros/android/multitouch/gesturedetectors/ShoveGestureDetector.java +++ /dev/null @@ -1,213 +0,0 @@ -package com.almeros.android.multitouch.gesturedetectors; - -import android.content.Context; -import android.view.MotionEvent; - -/** - * @author Robert Nordan (robert.nordan@norkart.no) - * - * Copyright (c) 2013, Norkart AS - * - * All rights reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions - * are met: - * - * Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. - * Redistributions in binary form must reproduce the above copyright - * notice, this list of conditions and the following disclaimer in the - * documentation and/or other materials provided with the distribution. - * - * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS - * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT - * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR - * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT - * HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, - * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, - * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS - * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED - * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT - * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY - * WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE - * POSSIBILITY OF SUCH DAMAGE. - */ -public class ShoveGestureDetector extends TwoFingerGestureDetector { - - /** - * Listener which must be implemented which is used by ShoveGestureDetector - * to perform callbacks to any implementing class which is registered to a - * ShoveGestureDetector via the constructor. - * - * @see ShoveGestureDetector.SimpleOnShoveGestureListener - */ - public interface OnShoveGestureListener { - public boolean onShove(ShoveGestureDetector detector); - - public boolean onShoveBegin(ShoveGestureDetector detector); - - public void onShoveEnd(ShoveGestureDetector detector); - } - - /** - * Helper class which may be extended and where the methods may be - * implemented. This way it is not necessary to implement all methods of - * OnShoveGestureListener. - */ - public static class SimpleOnShoveGestureListener implements - OnShoveGestureListener { - public boolean onShove(ShoveGestureDetector detector) { - return false; - } - - public boolean onShoveBegin(ShoveGestureDetector detector) { - return true; - } - - public void onShoveEnd(ShoveGestureDetector detector) { - // Do nothing, overridden implementation may be used - } - } - - private float mPrevAverageY; - private float mCurrAverageY; - - private final OnShoveGestureListener mListener; - private boolean mSloppyGesture; - - public ShoveGestureDetector(Context context, OnShoveGestureListener listener) { - super(context); - mListener = listener; - } - - @Override - protected void handleStartProgressEvent(int actionCode, MotionEvent event) { - switch (actionCode) { - case MotionEvent.ACTION_POINTER_DOWN: - // At least the second finger is on screen now - - resetState(); // In case we missed an UP/CANCEL event - mPrevEvent = MotionEvent.obtain(event); - mTimeDelta = 0; - - updateStateByEvent(event); - - // See if we have a sloppy gesture - mSloppyGesture = isSloppyGesture(event); - if (!mSloppyGesture) { - // No, start gesture now - mGestureInProgress = mListener.onShoveBegin(this); - } - break; - - case MotionEvent.ACTION_MOVE: - if (!mSloppyGesture) { - break; - } - - // See if we still have a sloppy gesture - mSloppyGesture = isSloppyGesture(event); - if (!mSloppyGesture) { - // No, start normal gesture now - mGestureInProgress = mListener.onShoveBegin(this); - } - - break; - - case MotionEvent.ACTION_POINTER_UP: - if (!mSloppyGesture) { - break; - } - - break; - } - } - - @Override - protected void handleInProgressEvent(int actionCode, MotionEvent event) { - switch (actionCode) { - case MotionEvent.ACTION_POINTER_UP: - // Gesture ended but - updateStateByEvent(event); - - if (!mSloppyGesture) { - mListener.onShoveEnd(this); - } - - resetState(); - break; - - case MotionEvent.ACTION_CANCEL: - if (!mSloppyGesture) { - mListener.onShoveEnd(this); - } - - resetState(); - break; - - case MotionEvent.ACTION_MOVE: - updateStateByEvent(event); - - // Only accept the event if our relative pressure is within - // a certain limit. This can help filter shaky data as a - // finger is lifted. Also check that shove is meaningful. - if (mCurrPressure / mPrevPressure > PRESSURE_THRESHOLD - && Math.abs(getShovePixelsDelta()) > 0.5f) { - final boolean updatePrevious = mListener.onShove(this); - if (updatePrevious) { - mPrevEvent.recycle(); - mPrevEvent = MotionEvent.obtain(event); - } - } - break; - } - } - - @Override - protected void resetState() { - super.resetState(); - mSloppyGesture = false; - mPrevAverageY = 0.0f; - mCurrAverageY = 0.0f; - } - - @Override - protected void updateStateByEvent(MotionEvent curr) { - super.updateStateByEvent(curr); - - final MotionEvent prev = mPrevEvent; - float py0 = prev.getY(0); - float py1 = prev.getY(1); - mPrevAverageY = (py0 + py1) / 2.0f; - - float cy0 = curr.getY(0); - float cy1 = curr.getY(1); - mCurrAverageY = (cy0 + cy1) / 2.0f; - } - - @Override - protected boolean isSloppyGesture(MotionEvent event) { - boolean sloppy = super.isSloppyGesture(event); - if (sloppy) - return true; - - // If it's not traditionally sloppy, we check if the angle between - // fingers - // is acceptable. - double angle = Math.abs(Math.atan2(mCurrFingerDiffY, mCurrFingerDiffX)); - // about 20 degrees, left or right - return !((0.0f < angle && angle < 0.35f) || 2.79f < angle - && angle < Math.PI); - } - - /** - * Return the distance in pixels from the previous shove event to the - * current event. - * - * @return The current distance in pixels. - */ - public float getShovePixelsDelta() { - return mCurrAverageY - mPrevAverageY; - } -} diff --git a/android/java/lib/src/main/java/com/almeros/android/multitouch/gesturedetectors/TwoFingerGestureDetector.java b/android/java/lib/src/main/java/com/almeros/android/multitouch/gesturedetectors/TwoFingerGestureDetector.java deleted file mode 100644 index e26d6b5ae40..00000000000 --- a/android/java/lib/src/main/java/com/almeros/android/multitouch/gesturedetectors/TwoFingerGestureDetector.java +++ /dev/null @@ -1,223 +0,0 @@ -package com.almeros.android.multitouch.gesturedetectors; - -import android.content.Context; -import android.graphics.PointF; -import android.util.DisplayMetrics; -import android.view.MotionEvent; -import android.view.ViewConfiguration; - -/** - * @author Almer Thie (code.almeros.com) Copyright (c) 2013, Almer Thie - * (code.almeros.com) - * - * All rights reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions - * are met: - * - * Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. - * Redistributions in binary form must reproduce the above copyright - * notice, this list of conditions and the following disclaimer in the - * documentation and/or other materials provided with the distribution. - * - * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS - * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT - * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR - * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT - * HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, - * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, - * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS - * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED - * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT - * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY - * WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE - * POSSIBILITY OF SUCH DAMAGE. - */ -public abstract class TwoFingerGestureDetector extends BaseGestureDetector { - - private final float mEdgeSlop; - - protected float mPrevFingerDiffX; - protected float mPrevFingerDiffY; - protected float mCurrFingerDiffX; - protected float mCurrFingerDiffY; - - private float mCurrLen; - private float mPrevLen; - - private PointF mFocus; - - public TwoFingerGestureDetector(Context context) { - super(context); - - ViewConfiguration config = ViewConfiguration.get(context); - mEdgeSlop = config.getScaledEdgeSlop(); - } - - @Override - protected abstract void handleStartProgressEvent(int actionCode, - MotionEvent event); - - @Override - protected abstract void handleInProgressEvent(int actionCode, - MotionEvent event); - - protected void updateStateByEvent(MotionEvent curr) { - super.updateStateByEvent(curr); - - final MotionEvent prev = mPrevEvent; - - mCurrLen = -1; - mPrevLen = -1; - - // Previous - final float px0 = prev.getX(0); - final float py0 = prev.getY(0); - final float px1 = prev.getX(1); - final float py1 = prev.getY(1); - final float pvx = px1 - px0; - final float pvy = py1 - py0; - mPrevFingerDiffX = pvx; - mPrevFingerDiffY = pvy; - - // Current - final float cx0 = curr.getX(0); - final float cy0 = curr.getY(0); - final float cx1 = curr.getX(1); - final float cy1 = curr.getY(1); - final float cvx = cx1 - cx0; - final float cvy = cy1 - cy0; - mCurrFingerDiffX = cvx; - mCurrFingerDiffY = cvy; - mFocus = determineFocalPoint(curr); - } - - /** - * Return the current distance between the two pointers forming the gesture - * in progress. - * - * @return Distance between pointers in pixels. - */ - public float getCurrentSpan() { - if (mCurrLen == -1) { - final float cvx = mCurrFingerDiffX; - final float cvy = mCurrFingerDiffY; - mCurrLen = (float) Math.sqrt(cvx * cvx + cvy * cvy); - } - return mCurrLen; - } - - /** - * Return the previous distance between the two pointers forming the gesture - * in progress. - * - * @return Previous distance between pointers in pixels. - */ - public float getPreviousSpan() { - if (mPrevLen == -1) { - final float pvx = mPrevFingerDiffX; - final float pvy = mPrevFingerDiffY; - mPrevLen = (float) Math.sqrt(pvx * pvx + pvy * pvy); - } - return mPrevLen; - } - - /** - * MotionEvent has no getRawX(int) method; simulate it pending future API - * approval. - * - * @param event - * @param pointerIndex - * @return - */ - protected static float getRawX(MotionEvent event, int pointerIndex) { - float offset = event.getX() - event.getRawX(); - if (pointerIndex < event.getPointerCount()) { - return event.getX(pointerIndex) + offset; - } - return 0.0f; - } - - /** - * MotionEvent has no getRawY(int) method; simulate it pending future API - * approval. - * - * @param event - * @param pointerIndex - * @return - */ - protected static float getRawY(MotionEvent event, int pointerIndex) { - float offset = event.getY() - event.getRawY(); - if (pointerIndex < event.getPointerCount()) { - return event.getY(pointerIndex) + offset; - } - return 0.0f; - } - - /** - * Check if we have a sloppy gesture. Sloppy gestures can happen if the edge - * of the user's hand is touching the screen, for example. - * - * @param event - * @return - */ - protected boolean isSloppyGesture(MotionEvent event) { - // As orientation can change, query the metrics in touch down - DisplayMetrics metrics = mContext.getResources().getDisplayMetrics(); - float mRightSlopEdge = metrics.widthPixels - mEdgeSlop; - float mBottomSlopEdge = metrics.heightPixels - mEdgeSlop; - - final float edgeSlop = mEdgeSlop; - - final float x0 = event.getRawX(); - final float y0 = event.getRawY(); - final float x1 = getRawX(event, 1); - final float y1 = getRawY(event, 1); - - boolean p0sloppy = x0 < edgeSlop || y0 < edgeSlop || x0 > mRightSlopEdge - || y0 > mBottomSlopEdge; - boolean p1sloppy = x1 < edgeSlop || y1 < edgeSlop || x1 > mRightSlopEdge - || y1 > mBottomSlopEdge; - - if (p0sloppy && p1sloppy) { - return true; - } else if (p0sloppy) { - return true; - } else if (p1sloppy) { - return true; - } - return false; - } - - /** - * Determine (multi)finger focal point (a.k.a. center point between all - * fingers) - * - * @param e - * @return PointF focal point - */ - public static PointF determineFocalPoint(MotionEvent e) { - // Number of fingers on screen - final int pCount = e.getPointerCount(); - float x = 0.0f; - float y = 0.0f; - - for (int i = 0; i < pCount; i++) { - x += e.getX(i); - y += e.getY(i); - } - - return new PointF(x / pCount, y / pCount); - } - - public float getFocusX() { - return mFocus.x; - } - - public float getFocusY() { - return mFocus.y; - } - -} diff --git a/android/java/lib/src/main/java/com/mapbox/mapboxgl/lib/LonLatZoom.java b/android/java/lib/src/main/java/com/mapbox/mapboxgl/lib/LonLatZoom.java index ad8b5dd4771..8850520284c 100644 --- a/android/java/lib/src/main/java/com/mapbox/mapboxgl/lib/LonLatZoom.java +++ b/android/java/lib/src/main/java/com/mapbox/mapboxgl/lib/LonLatZoom.java @@ -41,7 +41,7 @@ public double getLon() { return lon; } - public void setLon(double lon) { + public void setLon(double lon) { this.lon = lon; } diff --git a/android/java/lib/src/main/java/com/mapbox/mapboxgl/lib/MapView.java b/android/java/lib/src/main/java/com/mapbox/mapboxgl/lib/MapView.java index 0ca75b041f2..f8822c1dcdb 100644 --- a/android/java/lib/src/main/java/com/mapbox/mapboxgl/lib/MapView.java +++ b/android/java/lib/src/main/java/com/mapbox/mapboxgl/lib/MapView.java @@ -29,8 +29,8 @@ import android.view.ViewConfiguration; import android.widget.ZoomButtonsController; -import com.almeros.android.multitouch.gesturedetectors.RotateGestureDetector; -import com.almeros.android.multitouch.gesturedetectors.TwoFingerGestureDetector; +import com.almeros.android.multitouch.MoveGestureDetector; +import com.almeros.android.multitouch.RotateGestureDetector; import java.util.ArrayList; import java.util.List; @@ -75,6 +75,7 @@ public class MapView extends SurfaceView { private GestureDetectorCompat mGestureDetector; private ScaleGestureDetector mScaleGestureDetector; private RotateGestureDetector mRotateGestureDetector; + private MoveGestureDetector mMoveGestureDetector; private boolean mTwoTap = false; // Shows zoom buttons @@ -148,30 +149,19 @@ private void initialize(Context context, AttributeSet attrs) { mNativeMapView = new NativeMapView(this, cachePath, dataPath, apkPath); // Load the attributes - TypedArray typedArray = context.obtainStyledAttributes(attrs, - R.styleable.MapView, 0, 0); + TypedArray typedArray = context.obtainStyledAttributes(attrs, R.styleable.MapView, 0, 0); try { - double centerLongitude = typedArray.getFloat( - R.styleable.MapView_centerLongitude, 0.0f); - double centerLatitude = typedArray.getFloat( - R.styleable.MapView_centerLatitude, 0.0f); - LonLat centerCoordinate = new LonLat(centerLongitude, - centerLatitude); + double centerLongitude = typedArray.getFloat(R.styleable.MapView_centerLongitude, 0.0f); + double centerLatitude = typedArray.getFloat(R.styleable.MapView_centerLatitude, 0.0f); + LonLat centerCoordinate = new LonLat(centerLongitude, centerLatitude); setCenterCoordinate(centerCoordinate); - setZoomLevel(typedArray.getFloat(R.styleable.MapView_zoomLevel, - 0.0f)); // need to set zoom level first because of limitation on rotating when zoomed out - setDirection(typedArray.getFloat(R.styleable.MapView_direction, - 0.0f)); - setZoomEnabled(typedArray.getBoolean( - R.styleable.MapView_zoomEnabled, true)); - setScrollEnabled(typedArray.getBoolean( - R.styleable.MapView_scrollEnabled, true)); - setRotateEnabled(typedArray.getBoolean( - R.styleable.MapView_rotateEnabled, true)); - setDebugActive(typedArray.getBoolean( - R.styleable.MapView_debugActive, false)); - setStyleUrl(typedArray.getString( - R.styleable.MapView_styleUrl)); + setZoomLevel(typedArray.getFloat(R.styleable.MapView_zoomLevel, 0.0f)); // need to set zoom level first because of limitation on rotating when zoomed out + setDirection(typedArray.getFloat(R.styleable.MapView_direction, 0.0f)); + setZoomEnabled(typedArray.getBoolean(R.styleable.MapView_zoomEnabled, true)); + setScrollEnabled(typedArray.getBoolean(R.styleable.MapView_scrollEnabled, true)); + setRotateEnabled(typedArray.getBoolean(R.styleable.MapView_rotateEnabled, true)); + setDebugActive(typedArray.getBoolean(R.styleable.MapView_debugActive, false)); + setStyleUrl(typedArray.getString(R.styleable.MapView_styleUrl)); } finally { typedArray.recycle(); } @@ -189,28 +179,24 @@ private void initialize(Context context, AttributeSet attrs) { // Touch gesture detectors mGestureDetector = new GestureDetectorCompat(context, new GestureListener()); mGestureDetector.setIsLongpressEnabled(true); - mScaleGestureDetector = new ScaleGestureDetector(context, - new ScaleGestureListener()); + mScaleGestureDetector = new ScaleGestureDetector(context, new ScaleGestureListener()); ScaleGestureDetectorCompat.setQuickScaleEnabled(mScaleGestureDetector, true); - mRotateGestureDetector = new RotateGestureDetector(context, - new RotateGestureListener()); + mRotateGestureDetector = new RotateGestureDetector(context, new RotateGestureListener()); + mMoveGestureDetector = new MoveGestureDetector(context, new MoveGestureListener()); // Shows the zoom controls // But not when in Eclipse UI editor if (!isInEditMode()) { - if (!context.getPackageManager().hasSystemFeature( - PackageManager.FEATURE_TOUCHSCREEN_MULTITOUCH)) { + if (!context.getPackageManager().hasSystemFeature(PackageManager.FEATURE_TOUCHSCREEN_MULTITOUCH)) { mZoomButtonsController = new ZoomButtonsController(this); mZoomButtonsController.setZoomSpeed(300); mZoomButtonsController.setOnZoomListener(new OnZoomListener()); } // Check current connection status - ConnectivityManager connectivityManager = (ConnectivityManager) context.getSystemService( - Context.CONNECTIVITY_SERVICE); + ConnectivityManager connectivityManager = (ConnectivityManager) context.getSystemService(Context.CONNECTIVITY_SERVICE); NetworkInfo activeNetwork = connectivityManager.getActiveNetworkInfo(); - boolean isConnected = (activeNetwork != null) && - activeNetwork.isConnectedOrConnecting(); + boolean isConnected = (activeNetwork != null) && activeNetwork.isConnectedOrConnecting(); onConnectivityChanged(isConnected); } } @@ -291,8 +277,7 @@ public boolean isZoomEnabled() { public void setZoomEnabled(boolean zoomEnabled) { this.mZoomEnabled = zoomEnabled; - if ((mZoomButtonsController != null) - && (getVisibility() == View.VISIBLE) && mZoomEnabled) { + if ((mZoomButtonsController != null) && (getVisibility() == View.VISIBLE) && mZoomEnabled) { mZoomButtonsController.setVisible(true); } } @@ -407,16 +392,13 @@ public void setStyleDescription() { public void onCreate(Bundle savedInstanceState) { Log.v(TAG, "onCreate"); if (savedInstanceState != null) { - setCenterCoordinate((LonLat) savedInstanceState - .getParcelable(STATE_CENTER_COORDINATE)); + setCenterCoordinate((LonLat) savedInstanceState.getParcelable(STATE_CENTER_COORDINATE)); setZoomLevel(savedInstanceState.getDouble(STATE_ZOOM_LEVEL)); // need to set zoom level first because of limitation on rotating when zoomed out setDirection(savedInstanceState.getDouble(STATE_CENTER_DIRECTION)); setDirection(savedInstanceState.getDouble(STATE_DIRECTION)); setZoomEnabled(savedInstanceState.getBoolean(STATE_ZOOM_ENABLED)); - setScrollEnabled(savedInstanceState - .getBoolean(STATE_SCROLL_ENABLED)); - setRotateEnabled(savedInstanceState - .getBoolean(STATE_ROTATE_ENABLED)); + setScrollEnabled(savedInstanceState.getBoolean(STATE_SCROLL_ENABLED)); + setRotateEnabled(savedInstanceState.getBoolean(STATE_ROTATE_ENABLED)); setDebugActive(savedInstanceState.getBoolean(STATE_DEBUG_ACTIVE)); setStyleUrl(savedInstanceState.getString(STATE_STYLE_URL)); setAccessToken(savedInstanceState.getString(STATE_ACCESS_TOKEN)); @@ -492,8 +474,7 @@ public void onResume() { // Register for connectivity changes mConnectivityReceiver = new ConnectivityReceiver(); - mContext.registerReceiver(mConnectivityReceiver, - new IntentFilter(ConnectivityManager.CONNECTIVITY_ACTION)); + mContext.registerReceiver(mConnectivityReceiver, new IntentFilter(ConnectivityManager.CONNECTIVITY_ACTION)); mNativeMapView.resume(); } @@ -534,8 +515,7 @@ public void surfaceChanged(SurfaceHolder holder, int format, int width, int height) { Log.v(TAG, "surfaceChanged"); Log.i(TAG, "resize " + format + " " + width + " " + height); - mNativeMapView.resize((int) (width / mScreenDensity), (int) (height / mScreenDensity), - mScreenDensity, width, height); + mNativeMapView.resize((int) (width / mScreenDensity), (int) (height / mScreenDensity), mScreenDensity, width, height); } } @@ -597,15 +577,13 @@ private void zoom(boolean zoomIn, float x, float y) { @Override public boolean onTouchEvent(@NonNull MotionEvent event) { // Check and ignore non touch or left clicks - if ((event.getButtonState() != 0) - && (event.getButtonState() != MotionEvent.BUTTON_PRIMARY)) { + if ((event.getButtonState() != 0) && (event.getButtonState() != MotionEvent.BUTTON_PRIMARY)) { return false; } // Check two finger gestures first - boolean rotateRetVal = false; + mMoveGestureDetector.onTouchEvent(event); mRotateGestureDetector.onTouchEvent(event); - boolean scaleRetVal = false; mScaleGestureDetector.onTouchEvent(event); // Handle two finger tap @@ -627,13 +605,10 @@ public boolean onTouchEvent(@NonNull MotionEvent event) { // First pointer up long tapInterval = event.getEventTime() - event.getDownTime(); boolean isTap = tapInterval <= ViewConfiguration.getTapTimeout(); - boolean inProgress = mRotateGestureDetector.isInProgress() - || mScaleGestureDetector.isInProgress(); + boolean inProgress = mRotateGestureDetector.isInProgress() || mScaleGestureDetector.isInProgress(); if (mTwoTap && isTap && !inProgress) { - PointF focalPoint = TwoFingerGestureDetector - .determineFocalPoint(event); - zoom(false, focalPoint.x, focalPoint.y); + zoom(false, mMoveGestureDetector.getFocusX(), mMoveGestureDetector.getFocusY()); mTwoTap = false; return true; } @@ -646,10 +621,7 @@ public boolean onTouchEvent(@NonNull MotionEvent event) { break; } - // Do not change this code! It will break very easily. - // TODO fix up these warnings - boolean retVal = rotateRetVal || scaleRetVal; - retVal = mGestureDetector.onTouchEvent(event) || retVal; + boolean retVal = mGestureDetector.onTouchEvent(event); return retVal || super.onTouchEvent(event); } @@ -724,16 +696,15 @@ public boolean onFling(MotionEvent e1, MotionEvent e2, float velocityX, // Cancel any animation mNativeMapView.cancelTransitions(); - mNativeMapView.moveBy(velocityX * duration / 2.0 / mScreenDensity, velocityY * - duration / 2.0 / mScreenDensity, duration); + mNativeMapView.moveBy(velocityX * duration / 2.0 / mScreenDensity, velocityY * duration / 2.0 / mScreenDensity, duration); return true; } // Called for drags + // TODO use MoveGestureDetector @Override - public boolean onScroll(MotionEvent e1, MotionEvent e2, - float distanceX, float distanceY) { + public boolean onScroll(MotionEvent e1, MotionEvent e2, float distanceX, float distanceY) { if (!mScrollEnabled) { return false; } @@ -749,8 +720,7 @@ public boolean onScroll(MotionEvent e1, MotionEvent e2, } // This class handles two finger gestures - private class ScaleGestureListener extends - ScaleGestureDetector.SimpleOnScaleGestureListener { + private class ScaleGestureListener extends ScaleGestureDetector.SimpleOnScaleGestureListener { long mBeginTime = 0; float mScaleFactor = 1.0f; @@ -807,18 +777,16 @@ public boolean onScale(ScaleGestureDetector detector) { mNativeMapView.cancelTransitions(); // Scale the map - mNativeMapView.scaleBy(detector.getScaleFactor(), - detector.getFocusX() / mScreenDensity, detector.getFocusY() / mScreenDensity); + mNativeMapView.scaleBy(detector.getScaleFactor(), detector.getFocusX() / mScreenDensity, detector.getFocusY() / mScreenDensity); return true; } } - // This class handles two rotate gestures + // This class handles two finger rotate gestures // TODO need way to single finger rotate - need to research how google maps // does this - for phones with single touch, or when using mouse etc - private class RotateGestureListener extends - RotateGestureDetector.SimpleOnRotateGestureListener { + private class RotateGestureListener extends RotateGestureDetector.SimpleOnRotateGestureListener { long mBeginTime = 0; float mTotalAngle = 0.0f; @@ -878,17 +846,20 @@ public boolean onRotate(RotateGestureDetector detector) { // Rotate the map double bearing = mNativeMapView.getBearing(); bearing += detector.getRotationDegreesDelta(); - mNativeMapView.setBearing(bearing, detector.getFocusX() / mScreenDensity, - detector.getFocusY() / mScreenDensity); + mNativeMapView.setBearing(bearing, mMoveGestureDetector.getFocusX() / mScreenDensity, mMoveGestureDetector.getFocusY() / mScreenDensity); return true; } } + // This class handles two finger moves during rotation + private class MoveGestureListener extends MoveGestureDetector.SimpleOnMoveGestureListener { + + } + // This class handles input events from the zoom control buttons // Zoom controls allow single touch only devices to zoom in and out - private class OnZoomListener implements - ZoomButtonsController.OnZoomListener { + private class OnZoomListener implements ZoomButtonsController.OnZoomListener { // Not used @Override @@ -1146,8 +1117,7 @@ public boolean onGenericMotionEvent(MotionEvent event) { float scrollDist = event.getAxisValue(MotionEvent.AXIS_VSCROLL); // Scale the map by the appropriate power of two factor - mNativeMapView.scaleBy(Math.pow(2.0, scrollDist), event.getX() / mScreenDensity, - event.getY() / mScreenDensity); + mNativeMapView.scaleBy(Math.pow(2.0, scrollDist), event.getX() / mScreenDensity, event.getY() / mScreenDensity); return true; @@ -1198,8 +1168,7 @@ public class ConnectivityReceiver extends BroadcastReceiver { public void onReceive(Context context, Intent intent) { Log.v(TAG, "ConnectivityReceiver.onReceive: action = " + intent.getAction()); if (intent.getAction().equals(ConnectivityManager.CONNECTIVITY_ACTION)) { - boolean noConnectivity = intent.getBooleanExtra( - ConnectivityManager.EXTRA_NO_CONNECTIVITY, false); + boolean noConnectivity = intent.getBooleanExtra(ConnectivityManager.EXTRA_NO_CONNECTIVITY, false); onConnectivityChanged(!noConnectivity); } } @@ -1235,7 +1204,6 @@ public void setOnMapChangedListener(OnMapChangedListener listener) { // Called via JNI from NativeMapView // Need to update anything that relies on map state protected void onMapChanged() { - //Log.v(TAG, "onMapChanged"); if (mOnMapChangedListener != null) { mOnMapChangedListener.onMapChanged(); }