flutter_flutter/lib/ui/semantics/semantics_update_builder.h
Adam Barth f97caf271c Expose SemanticsUpdate and SemanticsUpdateBuilder (#3098)
This patch prepares us to switch sending semantics information over mojom to
using dart:ui directly. Currently the recorded information is dropped on the
floor, but that will improve in future patches.
2016-10-05 12:22:03 -07:00

52 lines
1.5 KiB
C++

// Copyright 2016 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef FLUTTER_LIB_UI_SEMANTICS_SEMANTICS_UPDATE_BUILDER_H_
#define FLUTTER_LIB_UI_SEMANTICS_SEMANTICS_UPDATE_BUILDER_H_
#include "flutter/lib/ui/semantics/semantics_update.h"
#include "lib/tonic/dart_wrappable.h"
#include "lib/tonic/typed_data/float64_list.h"
#include "lib/tonic/typed_data/int32_list.h"
namespace blink {
class SemanticsUpdateBuilder
: public ftl::RefCountedThreadSafe<SemanticsUpdateBuilder>,
public tonic::DartWrappable {
DEFINE_WRAPPERTYPEINFO();
FRIEND_MAKE_REF_COUNTED(SemanticsUpdateBuilder);
public:
static ftl::RefPtr<SemanticsUpdateBuilder> create() {
return ftl::MakeRefCounted<SemanticsUpdateBuilder>();
}
~SemanticsUpdateBuilder() override;
void updateNode(int id,
int flags,
int actions,
double left,
double top,
double right,
double bottom,
std::string label,
const tonic::Float64List& transform,
const tonic::Int32List& children);
ftl::RefPtr<SemanticsUpdate> build();
static void RegisterNatives(tonic::DartLibraryNatives* natives);
private:
explicit SemanticsUpdateBuilder();
std::vector<SemanticsNode> nodes_;
};
} // namespace blink
#endif // FLUTTER_LIB_UI_SEMANTICS_SEMANTICS_UPDATE_BUILDER_H_