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| 1 // Copyright 2015 The Chromium Authors. All rights reserved. |
| 2 // Use of this source code is governed by a BSD-style license that can be |
| 3 // found in the LICENSE file. |
| 4 |
| 5 package org.chromium.chrome.browser.dom_distiller; |
| 6 |
| 7 import org.chromium.chrome.browser.compositor.layouts.EdgeSwipeHandlerLayoutDele
gate; |
| 8 import org.chromium.chrome.browser.compositor.layouts.LayoutProvider; |
| 9 import org.chromium.chrome.browser.compositor.layouts.eventfilter.EdgeSwipeEvent
Filter.ScrollDirection; |
| 10 import org.chromium.chrome.browser.dom_distiller.ReaderModeStaticEventFilter.Rea
derModePanelSelector; |
| 11 |
| 12 /** |
| 13 * An {@link EdgeSwipeHandlerLayoutDelegate} that delegates all swipe events to
the currently |
| 14 * active Reader Mode Panel. |
| 15 */ |
| 16 public class ReaderModeEdgeSwipeHandler extends EdgeSwipeHandlerLayoutDelegate { |
| 17 private final ReaderModePanelSelector mReaderModePanelSelector; |
| 18 |
| 19 public ReaderModeEdgeSwipeHandler(ReaderModePanelSelector selector, LayoutPr
ovider provider) { |
| 20 super(provider); |
| 21 mReaderModePanelSelector = selector; |
| 22 } |
| 23 |
| 24 @Override |
| 25 public void swipeStarted(ScrollDirection direction, float x, float y) { |
| 26 ReaderModePanel panel = mReaderModePanelSelector.getActiveReaderModePane
l(); |
| 27 if (panel == null) super.swipeStarted(direction, x, y); |
| 28 else panel.swipeStarted(direction, x, y); |
| 29 } |
| 30 |
| 31 @Override |
| 32 public void swipeUpdated(float x, float y, float dx, float dy, float tx, flo
at ty) { |
| 33 ReaderModePanel panel = mReaderModePanelSelector.getActiveReaderModePane
l(); |
| 34 if (panel == null) super.swipeUpdated(x, y, dx, dy, tx, ty); |
| 35 else panel.swipeUpdated(x, y, dx, dy, tx, ty); |
| 36 } |
| 37 |
| 38 @Override |
| 39 public void swipeFinished() { |
| 40 ReaderModePanel panel = mReaderModePanelSelector.getActiveReaderModePane
l(); |
| 41 if (panel == null) super.swipeFinished(); |
| 42 else panel.swipeFinished(); |
| 43 } |
| 44 |
| 45 @Override |
| 46 public boolean isSwipeEnabled(ScrollDirection direction) { |
| 47 ReaderModePanel panel = mReaderModePanelSelector.getActiveReaderModePane
l(); |
| 48 return panel != null && panel.isSwipeEnabled(direction); |
| 49 } |
| 50 } |
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