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Diffstat (limited to '')
| -rw-r--r-- | layout/style/ServoBindings.h | 107 |
1 files changed, 107 insertions, 0 deletions
diff --git a/layout/style/ServoBindings.h b/layout/style/ServoBindings.h new file mode 100644 index 0000000000..6fff04f7ba --- /dev/null +++ b/layout/style/ServoBindings.h @@ -0,0 +1,107 @@ +/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */ +/* vim: set ts=8 sts=2 et sw=2 tw=80: */ +/* 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/. */ + +/* FFI functions for Gecko to call into Servo */ + +#ifndef mozilla_ServoBindings_h +#define mozilla_ServoBindings_h + +#include "mozilla/ServoStyleConsts.h" + +// These functions are defined via macros in Rust, so cbindgen doesn't see them. + +namespace mozilla { + +// The clang we use on windows complains about returning StyleStrong<> and +// StyleOwned<>, since the template parameters are incomplete. +// +// But they only contain pointers so it is ok. Also, this warning hilariously +// doesn't exist in GCC. +// +// A solution for this is to explicitly instantiate the template, but duplicate +// instantiations are an error. +// +// https://github.com/eqrion/cbindgen/issues/402 tracks an improvement to +// cbindgen that would allow it to autogenerate the template instantiations on +// its own. +#pragma GCC diagnostic push +#ifdef __clang__ +# pragma GCC diagnostic ignored "-Wreturn-type-c-linkage" +#endif + +extern "C" { + +#define BASIC_RULE_FUNCS_WITHOUT_GETTER(type_) \ + void Servo_##type_##_Debug(const RawServo##type_*, nsACString* result); \ + void Servo_##type_##_GetCssText(const RawServo##type_*, nsACString* result); + +#define BASIC_RULE_FUNCS(type_) \ + StyleStrong<RawServo##type_##Rule> Servo_CssRules_Get##type_##RuleAt( \ + const ServoCssRules* rules, uint32_t index, uint32_t* line, \ + uint32_t* column); \ + void Servo_StyleSet_##type_##RuleChanged( \ + const RawServoStyleSet*, const RawServo##type_##Rule*, \ + const StyleDomStyleSheet*, StyleRuleChangeKind); \ + BASIC_RULE_FUNCS_WITHOUT_GETTER(type_##Rule) + +#define GROUP_RULE_FUNCS(type_) \ + BASIC_RULE_FUNCS(type_) \ + StyleStrong<ServoCssRules> Servo_##type_##Rule_GetRules( \ + const RawServo##type_##Rule* rule); + +BASIC_RULE_FUNCS(Style) +BASIC_RULE_FUNCS(Import) +BASIC_RULE_FUNCS_WITHOUT_GETTER(Keyframe) +BASIC_RULE_FUNCS(Keyframes) +GROUP_RULE_FUNCS(Media) +GROUP_RULE_FUNCS(MozDocument) +BASIC_RULE_FUNCS(Namespace) +BASIC_RULE_FUNCS(Page) +GROUP_RULE_FUNCS(Supports) +GROUP_RULE_FUNCS(LayerBlock) +BASIC_RULE_FUNCS(LayerStatement) +BASIC_RULE_FUNCS(FontFeatureValues) +BASIC_RULE_FUNCS(FontPaletteValues) +BASIC_RULE_FUNCS(FontFace) +BASIC_RULE_FUNCS(CounterStyle) +GROUP_RULE_FUNCS(Container) + +#undef GROUP_RULE_FUNCS +#undef BASIC_RULE_FUNCS +#undef BASIC_RULE_FUNCS_WITHOUT_GETTER + +#define BASIC_SERDE_FUNCS(type_) \ + bool Servo_##type_##_Deserialize(mozilla::ipc::ByteBuf* input, type_* v); \ + bool Servo_##type_##_Serialize(const type_* v, mozilla::ipc::ByteBuf* output); + +using RayFunction = StyleRayFunction<StyleAngle>; +BASIC_SERDE_FUNCS(LengthPercentage) +BASIC_SERDE_FUNCS(StyleRotate) +BASIC_SERDE_FUNCS(StyleScale) +BASIC_SERDE_FUNCS(StyleTranslate) +BASIC_SERDE_FUNCS(StyleTransform) +BASIC_SERDE_FUNCS(StyleOffsetPath) +BASIC_SERDE_FUNCS(StyleOffsetRotate) +BASIC_SERDE_FUNCS(StylePositionOrAuto) +BASIC_SERDE_FUNCS(StyleComputedTimingFunction) + +#undef BASIC_SERDE_FUNCS + +void Servo_CounterStyleRule_GetDescriptorCssText( + const RawServoCounterStyleRule* rule, nsCSSCounterDesc desc, + nsACString* result); + +bool Servo_CounterStyleRule_SetDescriptor(const RawServoCounterStyleRule* rule, + nsCSSCounterDesc desc, + const nsACString* value); + +} // extern "C" + +#pragma GCC diagnostic pop + +} // namespace mozilla + +#endif // mozilla_ServoBindings_h |