flutter_flutter/lib/ui/semantics/semantics_update_builder.cc

86 lines
3.3 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.
#include "flutter/lib/ui/semantics/semantics_update_builder.h"
#include "lib/tonic/converter/dart_converter.h"
#include "lib/tonic/dart_args.h"
#include "lib/tonic/dart_binding_macros.h"
#include "lib/tonic/dart_library_natives.h"
namespace blink {
static void SemanticsUpdateBuilder_constructor(Dart_NativeArguments args) {
DartCallConstructor(&SemanticsUpdateBuilder::create, args);
}
IMPLEMENT_WRAPPERTYPEINFO(ui, SemanticsUpdateBuilder);
#define FOR_EACH_BINDING(V) \
V(SemanticsUpdateBuilder, updateNode) \
V(SemanticsUpdateBuilder, build)
FOR_EACH_BINDING(DART_NATIVE_CALLBACK)
void SemanticsUpdateBuilder::RegisterNatives(
tonic::DartLibraryNatives* natives) {
natives->Register({{"SemanticsUpdateBuilder_constructor",
SemanticsUpdateBuilder_constructor, 1, true},
FOR_EACH_BINDING(DART_REGISTER_NATIVE)});
}
SemanticsUpdateBuilder::SemanticsUpdateBuilder() = default;
SemanticsUpdateBuilder::~SemanticsUpdateBuilder() = default;
void SemanticsUpdateBuilder::updateNode(int id,
int flags,
int actions,
int textSelectionBase,
int textSelectionExtent,
double scrollPosition,
double scrollExtentMax,
double scrollExtentMin,
double left,
double top,
double right,
double bottom,
std::string label,
std::string hint,
std::string value,
std::string increasedValue,
std::string decreasedValue,
int textDirection,
int hitTestPosition,
const tonic::Float64List& transform,
const tonic::Int32List& children) {
SemanticsNode node;
node.id = id;
node.flags = flags;
node.actions = actions;
node.textSelectionBase = textSelectionBase;
node.textSelectionExtent = textSelectionExtent;
node.scrollPosition = scrollPosition;
node.scrollExtentMax = scrollExtentMax;
node.scrollExtentMin = scrollExtentMin;
node.rect = SkRect::MakeLTRB(left, top, right, bottom);
node.label = label;
node.hint = hint;
node.value = value;
node.increasedValue = increasedValue;
node.decreasedValue = decreasedValue;
node.textDirection = textDirection;
node.hitTestPosition = hitTestPosition;
node.transform.setColMajord(transform.data());
node.children = std::vector<int32_t>(
children.data(), children.data() + children.num_elements());
nodes_[id] = node;
}
fxl::RefPtr<SemanticsUpdate> SemanticsUpdateBuilder::build() {
return SemanticsUpdate::create(std::move(nodes_));
}
} // namespace blink