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51 lines
1.8 KiB
Java
51 lines
1.8 KiB
Java
/* -*- Mode: Java; c-basic-offset: 4; tab-width: 20; indent-tabs-mode: nil; -*-
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* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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package org.mozilla.gecko.gfx;
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import org.mozilla.gecko.GeckoAppShell;
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import org.mozilla.gecko.util.EventDispatcher;
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import android.graphics.PointF;
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import android.view.KeyEvent;
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import android.view.MotionEvent;
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import android.view.View;
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public interface PanZoomController {
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// The distance the user has to pan before we recognize it as such (e.g. to avoid 1-pixel pans
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// between the touch-down and touch-up of a click). In units of density-independent pixels.
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public static final float PAN_THRESHOLD = 1/16f * GeckoAppShell.getDpi();
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// Threshold for sending touch move events to content
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public static final float CLICK_THRESHOLD = 1/50f * GeckoAppShell.getDpi();
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static class Factory {
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static PanZoomController create(PanZoomTarget target, View view, EventDispatcher dispatcher) {
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return new JavaPanZoomController(target, view, dispatcher);
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}
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}
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public void destroy();
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public boolean onTouchEvent(MotionEvent event);
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public boolean onMotionEvent(MotionEvent event);
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public boolean onKeyEvent(KeyEvent event);
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public void notifyDefaultActionPrevented(boolean prevented);
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public boolean getRedrawHint();
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public PointF getVelocityVector();
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public void pageRectUpdated();
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public void abortPanning();
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public void abortAnimation();
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public void setOverScrollMode(int overscrollMode);
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public int getOverScrollMode();
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public void updateScrollOffset(float cssX, float cssY);
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public void setOverscrollHandler(final Overscroll controller);
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}
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