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Bug 1382077 part 3 - Record viewport unit usage and generate proper restyle hint. r=heycam

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MozReview-Commit-ID: FA2TiIejUT
This commit is contained in:
Xidorn Quan
2017-07-24 13:02:17 +10:00
parent 2798346a35
commit 6e2262114a
2 changed files with 3 additions and 13 deletions
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4
layout/style/ServoBindingList.h
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@@ -47,8 +47,8 @@ SERVO_BINDING_FUNC(Servo_StyleSet_Clear, void,
RawServoStyleSetBorrowed set) RawServoStyleSetBorrowed set)
SERVO_BINDING_FUNC(Servo_StyleSet_RebuildData, void, SERVO_BINDING_FUNC(Servo_StyleSet_RebuildData, void,
RawServoStyleSetBorrowed set) RawServoStyleSetBorrowed set)
SERVO_BINDING_FUNC(Servo_StyleSet_MediumFeaturesChanged, bool, SERVO_BINDING_FUNC(Servo_StyleSet_MediumFeaturesChanged, nsRestyleHint,
RawServoStyleSetBorrowed set) RawServoStyleSetBorrowed set, bool viewport_changed)
SERVO_BINDING_FUNC(Servo_StyleSet_Drop, void, RawServoStyleSetOwned set) SERVO_BINDING_FUNC(Servo_StyleSet_Drop, void, RawServoStyleSetOwned set)
SERVO_BINDING_FUNC(Servo_StyleSet_CompatModeChanged, void, SERVO_BINDING_FUNC(Servo_StyleSet_CompatModeChanged, void,
RawServoStyleSetBorrowed raw_data) RawServoStyleSetBorrowed raw_data)

12
layout/style/ServoStyleSet.cpp
View File

@@ -116,17 +116,7 @@ ServoStyleSet::InvalidateStyleForCSSRuleChanges()
nsRestyleHint nsRestyleHint
ServoStyleSet::MediumFeaturesChanged(bool aViewportChanged) const ServoStyleSet::MediumFeaturesChanged(bool aViewportChanged) const
{ {
if (Servo_StyleSet_MediumFeaturesChanged(mRawSet.get())) { return Servo_StyleSet_MediumFeaturesChanged(mRawSet.get(), aViewportChanged);
return eRestyle_Subtree;
}
if (aViewportChanged) {
// Rebuild all style data without rerunning selector matching.
//
// FIXME(emilio, bug 1328652): We don't set mUsesViewportUnits in stylo yet,
// so assume the worst.
return eRestyle_ForceDescendants;
}
return nsRestyleHint(0);
} }
size_t size_t