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// Copyright 2015 The Cobalt Authors. All Rights Reserved.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
#include "cobalt/cssom/linear_gradient_value.h"
#include "base/strings/stringprintf.h"
#include "cobalt/cssom/keyword_names.h"
#include "cobalt/cssom/property_value_visitor.h"
namespace cobalt {
namespace cssom {
void LinearGradientValue::Accept(PropertyValueVisitor* visitor) {
visitor->VisitLinearGradient(this);
}
std::string LinearGradientValue::ToString() const {
std::string result;
if (side_or_corner_) {
result.append("to ");
switch (side_or_corner_.value()) {
case kBottom: {
result.append(kBottomKeywordName);
break;
}
case kBottomLeft: {
result.append(kBottomKeywordName);
result.push_back(' ');
result.append(kLeftKeywordName);
break;
}
case kBottomRight: {
result.append(kBottomKeywordName);
result.push_back(' ');
result.append(kRightKeywordName);
break;
}
case kLeft: {
result.append(kLeftKeywordName);
break;
}
case kRight: {
result.append(kRightKeywordName);
break;
}
case kTop: {
result.append(kTopKeywordName);
break;
}
case kTopLeft: {
result.append(kTopKeywordName);
result.push_back(' ');
result.append(kLeftKeywordName);
break;
}
case kTopRight: {
result.append(kTopKeywordName);
result.push_back(' ');
result.append(kRightKeywordName);
break;
}
}
} else if (angle_in_radians_) {
result.append(base::StringPrintf("%.7grad", angle_in_radians_.value()));
}
for (size_t i = 0; i < color_stop_list_.size(); ++i) {
if (!result.empty()) result.append(", ");
result.append(color_stop_list_[i]->ToString());
}
return result;
}
bool LinearGradientValue::operator==(const LinearGradientValue& other) const {
// The engaged state of the optionals must match.
if (!angle_in_radians_ != !other.angle_in_radians_ ||
!side_or_corner_ != !other.side_or_corner_) {
return false;
}
// The optionals must be disengaged, or the same.
if ((angle_in_radians_ && !(angle_in_radians_ == other.angle_in_radians_)) ||
(side_or_corner_ && !(side_or_corner_ == other.side_or_corner_))) {
return false;
}
// The stop lists must be equal.
return ColorStopListsEqual(color_stop_list_, other.color_stop_list_);
}
} // namespace cssom
} // namespace cobalt