android/experimental/LOAndroid3/src/java/org/mozilla/gecko/gfx/PanZoomController.java


1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34

/* -*- 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 android.graphics.PointF;

import org.libreoffice.LOKitShell;

public interface PanZoomController {
    // The distance the user has to pan before we recognize it as such (e.g. to avoid 1-pixel pans
    // between the touch-down and touch-up of a click). In units of density-independent pixels.
    public static final float PAN_THRESHOLD = 1/16f * LOKitShell.getDpi();

    static class Factory {
        static PanZoomController create(PanZoomTarget target) {
            return new JavaPanZoomController(target);
        }
    }

    public void destroy();

    public boolean getRedrawHint();
    public PointF getVelocityVector();

    public void pageRectUpdated();
    public void abortPanning();
    public void abortAnimation();

    public void setOverScrollMode(int overscrollMode);
    public int getOverScrollMode();
}