mirror of
https://gitlab.winehq.org/wine/wine-gecko.git
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e4e2da55c9
The bulk of this commit was generated with a script, executed at the top
level of a typical source code checkout. The only non-machine-generated
part was modifying MFBT's moz.build to reflect the new naming.
CLOSED TREE makes big refactorings like this a piece of cake.
# The main substitution.
find . -name '*.cpp' -o -name '*.cc' -o -name '*.h' -o -name '*.mm' -o -name '*.idl'| \
xargs perl -p -i -e '
s/nsRefPtr\.h/RefPtr\.h/g; # handle includes
s/nsRefPtr ?</RefPtr</g; # handle declarations and variables
'
# Handle a special friend declaration in gfx/layers/AtomicRefCountedWithFinalize.h.
perl -p -i -e 's/::nsRefPtr;/::RefPtr;/' gfx/layers/AtomicRefCountedWithFinalize.h
# Handle nsRefPtr.h itself, a couple places that define constructors
# from nsRefPtr, and code generators specially. We do this here, rather
# than indiscriminantly s/nsRefPtr/RefPtr/, because that would rename
# things like nsRefPtrHashtable.
perl -p -i -e 's/nsRefPtr/RefPtr/g' \
mfbt/nsRefPtr.h \
xpcom/glue/nsCOMPtr.h \
xpcom/base/OwningNonNull.h \
ipc/ipdl/ipdl/lower.py \
ipc/ipdl/ipdl/builtin.py \
dom/bindings/Codegen.py \
python/lldbutils/lldbutils/utils.py
# In our indiscriminate substitution above, we renamed
# nsRefPtrGetterAddRefs, the class behind getter_AddRefs. Fix that up.
find . -name '*.cpp' -o -name '*.h' -o -name '*.idl' | \
xargs perl -p -i -e 's/nsRefPtrGetterAddRefs/RefPtrGetterAddRefs/g'
if [ -d .git ]; then
git mv mfbt/nsRefPtr.h mfbt/RefPtr.h
else
hg mv mfbt/nsRefPtr.h mfbt/RefPtr.h
fi
97 lines
3.5 KiB
C++
97 lines
3.5 KiB
C++
/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* vim: set ts=8 sts=2 et sw=2 tw=80: */
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/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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#ifndef SwipeTracker_h
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#define SwipeTracker_h
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#include "EventForwards.h"
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#include "mozilla/layers/AxisPhysicsMSDModel.h"
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#include "mozilla/RefPtr.h"
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#include "mozilla/TimeStamp.h"
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#include "nsRefreshDriver.h"
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#include "Units.h"
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class nsIPresShell;
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namespace mozilla {
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class PanGestureInput;
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/**
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* SwipeTracker turns PanGestureInput events into swipe events
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* (WidgetSimpleGestureEvent) and dispatches them into Gecko.
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* The swiping behavior mirrors the behavior of the Cocoa API
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* -[NSEvent trackSwipeEventWithOptions:dampenAmountThresholdMin:max:usingHandler:].
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* The advantage of using this class over the Cocoa API is that this class
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* properly supports submitting queued up events to it, and that it hopefully
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* doesn't intermittently break scrolling the way the Cocoa API does (bug 927702).
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*
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* The swipe direction is either left or right. It is determined before the
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* SwipeTracker is created and stays fixed during the swipe.
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* During the swipe, the swipe has a current "value" which is between 0 and the
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* target value. The target value is either 1 (swiping left) or -1 (swiping
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* right) - see SwipeSuccessTargetValue().
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* A swipe can either succeed or fail. If it succeeds, the swipe animation
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* animates towards the success target value; if it fails, it animates back to
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* a value of 0. A swipe can only succeed if the user is swiping in an allowed
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* direction. (Since both the allowed directions and the swipe direction are
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* known at swipe start time, it's clear from the beginning whether a swipe is
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* doomed to fail. In that case, the purpose of the SwipeTracker is to simulate
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* a bounce-back animation.)
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*/
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class SwipeTracker final : public nsARefreshObserver {
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public:
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NS_INLINE_DECL_REFCOUNTING(SwipeTracker, override)
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SwipeTracker(nsChildView& aWidget,
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const PanGestureInput& aSwipeStartEvent,
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uint32_t aAllowedDirections,
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uint32_t aSwipeDirection);
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void Destroy();
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nsEventStatus ProcessEvent(const PanGestureInput& aEvent);
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void CancelSwipe();
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static WidgetSimpleGestureEvent
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CreateSwipeGestureEvent(EventMessage aMsg, nsIWidget* aWidget,
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const LayoutDeviceIntPoint& aPosition);
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// nsARefreshObserver
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void WillRefresh(mozilla::TimeStamp aTime) override;
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protected:
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~SwipeTracker();
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bool SwipingInAllowedDirection() const { return mAllowedDirections & mSwipeDirection; }
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double SwipeSuccessTargetValue() const;
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double ClampToAllowedRange(double aGestureAmount) const;
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bool ComputeSwipeSuccess() const;
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void StartAnimating(double aTargetValue);
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void SwipeFinished();
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void UnregisterFromRefreshDriver();
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bool SendSwipeEvent(EventMessage aMsg, uint32_t aDirection, double aDelta);
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nsChildView& mWidget;
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RefPtr<nsRefreshDriver> mRefreshDriver;
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layers::AxisPhysicsMSDModel mAxis;
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const LayoutDeviceIntPoint mEventPosition;
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TimeStamp mLastEventTimeStamp;
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TimeStamp mLastAnimationFrameTime;
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const uint32_t mAllowedDirections;
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const uint32_t mSwipeDirection;
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double mGestureAmount;
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double mCurrentVelocity;
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bool mEventsAreControllingSwipe;
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bool mEventsHaveStartedNewGesture;
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bool mRegisteredWithRefreshDriver;
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};
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} // namespace mozilla
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#endif // SwipeTracker_h
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