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The scroll snap spec defines the concepts [1]. There are three type of scroll operations. 1) intended end position, 2) intended direction and end position and 3) intended direction. Basically our existing ScrollUnits types correspond; 1) DEVICE_PIXELS, WHOLE => intended end position 2) PAGES => intended direction and end position 3) LINES => intended direction There are two exceptions in the `intended direction and end position` case, scrollBy() and fling gestures (on Linux). They were defined as scroll operations with DEVICE_PIXELS unit, but the spec cleary says they are `intended direction and end position` operations. Note that we will also use this information for scroll-snap-stop property since the properly will only have effects on both 2) and 3) cases. [1] https://drafts.csswg.org/css-scroll-snap/#scroll-types Depends on D145190 Differential Revision: https://phabricator.services.mozilla.com/D145191 |
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| .. | ||
| crashtests | ||
| reftest | ||
| test | ||
| tree | ||
| moz.build | ||
| nsBox.cpp | ||
| nsBoxFrame.cpp | ||
| nsBoxFrame.h | ||
| nsBoxLayout.cpp | ||
| nsBoxLayout.h | ||
| nsBoxLayoutState.cpp | ||
| nsBoxLayoutState.h | ||
| nsButtonBoxFrame.cpp | ||
| nsButtonBoxFrame.h | ||
| nsDeckFrame.cpp | ||
| nsDeckFrame.h | ||
| nsDocElementBoxFrame.cpp | ||
| nsIPopupContainer.h | ||
| nsIScrollbarMediator.h | ||
| nsImageBoxFrame.cpp | ||
| nsImageBoxFrame.h | ||
| nsLeafBoxFrame.cpp | ||
| nsLeafBoxFrame.h | ||
| nsMenuBarFrame.cpp | ||
| nsMenuBarFrame.h | ||
| nsMenuBarListener.cpp | ||
| nsMenuBarListener.h | ||
| nsMenuFrame.cpp | ||
| nsMenuFrame.h | ||
| nsMenuParent.h | ||
| nsMenuPopupFrame.cpp | ||
| nsMenuPopupFrame.h | ||
| nsPopupSetFrame.cpp | ||
| nsPopupSetFrame.h | ||
| nsRepeatService.cpp | ||
| nsRepeatService.h | ||
| nsResizerFrame.cpp | ||
| nsResizerFrame.h | ||
| nsRootBoxFrame.cpp | ||
| nsScrollbarButtonFrame.cpp | ||
| nsScrollbarButtonFrame.h | ||
| nsScrollbarFrame.cpp | ||
| nsScrollbarFrame.h | ||
| nsSliderFrame.cpp | ||
| nsSliderFrame.h | ||
| nsSplitterFrame.cpp | ||
| nsSplitterFrame.h | ||
| nsSprocketLayout.cpp | ||
| nsSprocketLayout.h | ||
| nsStackLayout.cpp | ||
| nsStackLayout.h | ||
| nsTextBoxFrame.cpp | ||
| nsTextBoxFrame.h | ||
| nsTitleBarFrame.cpp | ||
| nsTitleBarFrame.h | ||
| nsXULPopupManager.cpp | ||
| nsXULPopupManager.h | ||
| nsXULTooltipListener.cpp | ||
| nsXULTooltipListener.h | ||