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Bug 1247677 - Add support for the general.smoothScroll.{pages,pixels} prefs in APZ. r=dvander

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MozReview-Commit-ID: HCOqbRZV5ui
This commit is contained in:
Kartikaya Gupta 2016-02-12 08:30:16 -05:00
parent c56aaf55e1
commit 3abb2509ad
6 changed files with 41 additions and 10 deletions
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8
gfx/layers/apz/src/APZCTreeManager.cpp
View File

@ -1051,9 +1051,11 @@ APZCTreeManager::ProcessWheelEvent(WidgetWheelEvent& aEvent,
uint64_t* aOutInputBlockId)
{
ScrollWheelInput::ScrollMode scrollMode = ScrollWheelInput::SCROLLMODE_INSTANT;
if ((aEvent.deltaMode == nsIDOMWheelEvent::DOM_DELTA_LINE ||
aEvent.deltaMode == nsIDOMWheelEvent::DOM_DELTA_PAGE) &&
gfxPrefs::SmoothScrollEnabled() && gfxPrefs::WheelSmoothScrollEnabled())
if (gfxPrefs::SmoothScrollEnabled() &&
((aEvent.deltaMode == nsIDOMWheelEvent::DOM_DELTA_LINE &&
gfxPrefs::WheelSmoothScrollEnabled()) ||
(aEvent.deltaMode == nsIDOMWheelEvent::DOM_DELTA_PAGE &&
gfxPrefs::PageSmoothScrollEnabled())))
{
scrollMode = ScrollWheelInput::SCROLLMODE_SMOOTH;
}

3
gfx/layers/apz/src/AsyncPanZoomController.cpp
View File

@ -1792,8 +1792,7 @@ nsEventStatus AsyncPanZoomController::OnScrollWheel(const ScrollWheelInput& aEve
nsPoint initialPosition = CSSPoint::ToAppUnits(mFrameMetrics.GetScrollOffset());
StartAnimation(new WheelScrollAnimation(
*this,
initialPosition));
*this, initialPosition, aEvent.mDeltaType));
}
nsPoint deltaInAppUnits =

22
gfx/layers/apz/src/WheelScrollAnimation.cpp
View File

@ -13,10 +13,13 @@
namespace mozilla {
namespace layers {
WheelScrollAnimation::WheelScrollAnimation(AsyncPanZoomController& aApzc, const nsPoint& aInitialPosition)
WheelScrollAnimation::WheelScrollAnimation(AsyncPanZoomController& aApzc,
const nsPoint& aInitialPosition,
ScrollWheelInput::ScrollDeltaType aDeltaType)
: AsyncScrollBase(aInitialPosition)
, mApzc(aApzc)
, mFinalDestination(aInitialPosition)
, mDeltaType(aDeltaType)
{
}
@ -86,8 +89,21 @@ WheelScrollAnimation::InitPreferences(TimeStamp aTime)
return;
}
mOriginMaxMS = clamped(gfxPrefs::WheelSmoothScrollMaxDurationMs(), 0, 10000);
mOriginMinMS = clamped(gfxPrefs::WheelSmoothScrollMinDurationMs(), 0, mOriginMaxMS);
switch (mDeltaType) {
case ScrollWheelInput::SCROLLDELTA_PAGE:
mOriginMaxMS = clamped(gfxPrefs::PageSmoothScrollMaxDurationMs(), 0, 10000);
mOriginMinMS = clamped(gfxPrefs::PageSmoothScrollMinDurationMs(), 0, mOriginMaxMS);
break;
case ScrollWheelInput::SCROLLDELTA_PIXEL:
mOriginMaxMS = clamped(gfxPrefs::PixelSmoothScrollMaxDurationMs(), 0, 10000);
mOriginMinMS = clamped(gfxPrefs::PixelSmoothScrollMinDurationMs(), 0, mOriginMaxMS);
break;
case ScrollWheelInput::SCROLLDELTA_LINE:
default:
mOriginMaxMS = clamped(gfxPrefs::WheelSmoothScrollMaxDurationMs(), 0, 10000);
mOriginMinMS = clamped(gfxPrefs::WheelSmoothScrollMinDurationMs(), 0, mOriginMaxMS);
break;
}
// The pref is 100-based int percentage, while mIntervalRatio is 1-based ratio
mIntervalRatio = ((double)gfxPrefs::SmoothScrollDurationToIntervalRatio()) / 100.0;

6
gfx/layers/apz/src/WheelScrollAnimation.h
View File

@ -9,6 +9,7 @@
#include "AsyncPanZoomAnimation.h"
#include "AsyncScrollBase.h"
#include "InputData.h"
namespace mozilla {
namespace layers {
@ -20,7 +21,9 @@ class WheelScrollAnimation
public AsyncScrollBase
{
public:
WheelScrollAnimation(AsyncPanZoomController& aApzc, const nsPoint& aInitialPosition);
WheelScrollAnimation(AsyncPanZoomController& aApzc,
const nsPoint& aInitialPosition,
ScrollWheelInput::ScrollDeltaType aDeltaType);
bool DoSample(FrameMetrics& aFrameMetrics, const TimeDuration& aDelta) override;
void Update(TimeStamp aTime, nsPoint aDelta, const nsSize& aCurrentVelocity);
@ -35,6 +38,7 @@ private:
private:
AsyncPanZoomController& mApzc;
nsPoint mFinalDestination;
ScrollWheelInput::ScrollDeltaType mDeltaType;
};
} // namespace layers

10
gfx/thebes/gfxPrefs.h
View File

@ -212,6 +212,16 @@ private:
WheelSmoothScrollMaxDurationMs, int32_t, 400);
DECL_GFX_PREF(Live, "general.smoothScroll.mouseWheel.durationMinMS",
WheelSmoothScrollMinDurationMs, int32_t, 200);
DECL_GFX_PREF(Live, "general.smoothScroll.pages", PageSmoothScrollEnabled, bool, true);
DECL_GFX_PREF(Live, "general.smoothScroll.pages.durationMaxMS",
PageSmoothScrollMaxDurationMs, int32_t, 150);
DECL_GFX_PREF(Live, "general.smoothScroll.pages.durationMinMS",
PageSmoothScrollMinDurationMs, int32_t, 150);
DECL_GFX_PREF(Live, "general.smoothScroll.pixels", PixelSmoothScrollEnabled, bool, true);
DECL_GFX_PREF(Live, "general.smoothScroll.pixels.durationMaxMS",
PixelSmoothScrollMaxDurationMs, int32_t, 150);
DECL_GFX_PREF(Live, "general.smoothScroll.pixels.durationMinMS",
PixelSmoothScrollMinDurationMs, int32_t, 150);
DECL_GFX_PREF(Live, "general.smoothScroll.stopDecelerationWeighting",
SmoothScrollStopDecelerationWeighting, float, 0.4f);

2
widget/InputData.h
View File

@ -537,7 +537,7 @@ public:
enum ScrollDeltaType
{
// There are three kinds of scroll delta modes in Gecko: "page", "line" and
// "pixel". For apz, we currently only support the "line" and "pixel" modes.
// "pixel".
SCROLLDELTA_LINE,
SCROLLDELTA_PAGE,
SCROLLDELTA_PIXEL