1 files changed, 38 insertions, 0 deletions
diff --git a/mobile/android/geckoview/src/main/java/org/mozilla/gecko/gfx/PanZoomController.java b/mobile/android/geckoview/src/main/java/org/mozilla/gecko/gfx/PanZoomController.java
new file mode 100644
index 000000000..fbd07c69b
--- /dev/null
+++ b/mobile/android/geckoview/src/main/java/org/mozilla/gecko/gfx/PanZoomController.java
@@ -0,0 +1,38 @@
+/* -*- Mode: Java; c-basic-offset: 4; tab-width: 20; indent-tabs-mode: nil; -*-
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+package org.mozilla.gecko.gfx;
+
+import org.mozilla.gecko.GeckoAppShell;
+import org.mozilla.gecko.EventDispatcher;
+
+import android.graphics.PointF;
+import android.view.KeyEvent;
+import android.view.MotionEvent;
+import android.view.View;
+
+public interface PanZoomController {
+    // Threshold for sending touch move events to content
+    public static final float CLICK_THRESHOLD = 1 / 50f * GeckoAppShell.getDpi();
+
+    static class Factory {
+        static PanZoomController create(PanZoomTarget target, View view, EventDispatcher dispatcher) {
+            return new NativePanZoomController(target, view);
+        }
+    }
+
+    public void destroy();
+    public void attach();
+
+    public boolean onTouchEvent(MotionEvent event);
+    public boolean onMotionEvent(MotionEvent event);
+    public void onMotionEventVelocity(final long aEventTime, final float aSpeedY);
+
+    public void setOverscrollHandler(final Overscroll controller);
+
+    public void setIsLongpressEnabled(boolean isLongpressEnabled);
+
+    public ImmutableViewportMetrics adjustScrollForSurfaceShift(ImmutableViewportMetrics aMetrics, PointF aShift);
+}