Mercurial > gmapzoominvert
diff app/src/main/java/net/bgreco/gmapzoominvert/GMapZoomInvert.java @ 2:fbccc77ea0e6
Convert to Android Studio project
author | Brad Greco <brad@bgreco.net> |
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date | Wed, 05 Sep 2018 20:07:35 -0400 |
parents | GMapZoomInvert/src/net/bgreco/gmapzoominvert/GMapZoomInvert.java@30f975176f8e |
children | c1204965159f |
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--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/app/src/main/java/net/bgreco/gmapzoominvert/GMapZoomInvert.java Wed Sep 05 20:07:35 2018 -0400 @@ -0,0 +1,88 @@ +/* Copyright (c) 2014 Brad Greco <brad@bgreco.net> + * + * Permission is hereby granted, free of charge, to any person obtaining a copy + * of this software and associated documentation files (the "Software"), to + * deal in the Software without restriction, including without limitation the + * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or + * sell copies of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in + * all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE + * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING + * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS + * IN THE SOFTWARE. + */ + +package net.bgreco.gmapzoominvert; + +import static de.robv.android.xposed.XposedHelpers.findAndHookMethod; +import android.view.MotionEvent; +import de.robv.android.xposed.IXposedHookLoadPackage; +import de.robv.android.xposed.XC_MethodHook; +import de.robv.android.xposed.callbacks.XC_LoadPackage.LoadPackageParam; + +public class GMapZoomInvert implements IXposedHookLoadPackage { + + @Override + public void handleLoadPackage(LoadPackageParam lpparam) throws Throwable { + if(!lpparam.packageName.equals("com.google.android.apps.maps")) + return; + + findAndHookMethod("com.google.android.apps.gmm.map.legacy.internal.vector.VectorMapViewImpl", lpparam.classLoader, "onTouchEvent", MotionEvent.class, new XC_MethodHook() { + + private float lastTapX; + private float lastTapY; + private long lastTapTime = 0; + private boolean doubleTap = false; + private boolean zooming = false; + + @Override + protected void beforeHookedMethod(MethodHookParam param) throws Throwable { + MotionEvent e = (MotionEvent) param.args[0]; + int action = e.getAction(); + // Detect double taps + if(action == MotionEvent.ACTION_DOWN) { + // Do our best to mimic the Google Maps double tap detection logic + if(e.getEventTime() < lastTapTime + 250) { + if(e.getX() - lastTapX > -150 && e.getX() - lastTapX < 100 && e.getY() - lastTapY > -150 && e.getY() - lastTapY < 100) { + doubleTap = true; + } + } + lastTapTime = e.getEventTime(); + lastTapX = e.getX(); + lastTapY = e.getY(); + } else if(action == MotionEvent.ACTION_CANCEL || action == MotionEvent.ACTION_UP) { + // Also Invert the Y axis on release, otherwise the zoom will snap back + if(zooming) { + e.setLocation(e.getX(), lastTapY - (e.getY() - lastTapY)); + param.args[0] = e; + } + doubleTap = false; + zooming = false; + } else if(action == MotionEvent.ACTION_MOVE) { + // Invert the Y axis of the zoom gesture + if(e.getPointerCount() == 1) { + if(doubleTap) { + //Log.d("gmapzoominvert", "y offset: " + (lastTapY - e.getY())); + e.setLocation(e.getX(), lastTapY - (e.getY() - lastTapY)); + param.args[0] = e; + zooming = true; + } + } else { + // Another finger pressed cancels the zoom gesture + doubleTap = false; + zooming = false; + } + } + } + + }); + } + +}