/usr/include/thunderbird/mozilla/layers/ScrollInputMethods.h is in thunderbird-dev 1:52.8.0-1~deb8u1.
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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 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 | /* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* 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/. */
#ifndef mozilla_layers_ScrollInputMethods_h
#define mozilla_layers_ScrollInputMethods_h
namespace mozilla {
namespace layers {
/**
* An enumeration that lists various input methods used to trigger scrolling.
* Used as the values for the SCROLL_INPUT_METHODS telemetry histogram.
*/
enum class ScrollInputMethod {
// === Driven by APZ ===
ApzTouch, // touch events
ApzWheelPixel, // wheel events, pixel scrolling mode
ApzWheelLine, // wheel events, line scrolling mode
ApzWheelPage, // wheel events, page scrolling mode
ApzPanGesture, // pan gesture events (generally triggered by trackpad)
ApzScrollbarDrag, // dragging the scrollbar
// === Driven by the main thread ===
// Keyboard
MainThreadScrollLine, // line scrolling
// (generally triggered by up/down arrow keys)
MainThreadScrollCharacter, // character scrolling
// (generally triggered by left/right arrow keys)
MainThreadScrollPage, // page scrolling
// (generally triggered by PageUp/PageDown keys)
MainThreadCompleteScroll, // scrolling to the end of the scroll range
// (generally triggered by Home/End keys)
MainThreadScrollCaretIntoView, // scrolling to bring the caret into view
// after moving the caret via the keyboard
// Touch
MainThreadTouch, // touch events
// Scrollbar
MainThreadScrollbarDrag, // dragging the scrollbar
MainThreadScrollbarButtonClick, // clicking the buttons at the ends of the
// scrollback track
MainThreadScrollbarTrackClick, // clicking the scrollbar track above or
// below the thumb
// Autoscrolling
MainThreadAutoscrolling, // autoscrolling
// New input methods can be added at the end, up to a maximum of 64.
// They should only be added at the end, to preserve the numerical values
// of the existing enumerators.
};
} // namespace layers
} // namespace mozilla
#endif /* mozilla_layers_ScrollInputMethods_h */
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