third_party/blink/renderer/core/svg/svg_angle_tear_off.cc

/*
 * Copyright (C) 2014 Google Inc. All rights reserved.
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 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are
 * met:
 *
 *     * Redistributions of source code must retain the above copyright
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 * in the documentation and/or other materials provided with the
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 * contributors may be used to endorse or promote products derived from
 * this software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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#include "third_party/blink/renderer/core/svg/svg_angle_tear_off.h"

#include "third_party/blink/renderer/platform/bindings/exception_state.h"

namespace blink {

SVGAngleTearOff::SVGAngleTearOff(SVGAngle* target_property,
                                 SVGAnimatedPropertyBase* binding,
                                 PropertyIsAnimValType property_is_anim_val)
    : SVGPropertyTearOff<SVGAngle>(target_property,
                                   binding,
                                   property_is_anim_val) {}

SVGAngleTearOff::~SVGAngleTearOff() = default;

void SVGAngleTearOff::setValue(float value, ExceptionState& exception_state) {
  if (IsImmutable()) {
    ThrowReadOnly(exception_state);
    return;
  }
  Target()->SetValue(value);
  CommitChange();
}

void SVGAngleTearOff::setValueInSpecifiedUnits(
    float value,
    ExceptionState& exception_state) {
  if (IsImmutable()) {
    ThrowReadOnly(exception_state);
    return;
  }
  Target()->SetValueInSpecifiedUnits(value);
  CommitChange();
}

void SVGAngleTearOff::newValueSpecifiedUnits(unsigned short unit_type,
                                             float value_in_specified_units,
                                             ExceptionState& exception_state) {
  if (IsImmutable()) {
    ThrowReadOnly(exception_state);
    return;
  }
  if (unit_type == SVGAngle::kSvgAngletypeUnknown ||
      unit_type > SVGAngle::kSvgAngletypeGrad) {
    exception_state.ThrowDOMException(
        DOMExceptionCode::kNotSupportedError,
        "Cannot set value with unknown or invalid units (" +
            String::Number(unit_type) + ").");
    return;
  }
  Target()->NewValueSpecifiedUnits(
      static_cast<SVGAngle::SVGAngleType>(unit_type), value_in_specified_units);
  CommitChange();
}

void SVGAngleTearOff::convertToSpecifiedUnits(unsigned short unit_type,
                                              ExceptionState& exception_state) {
  if (IsImmutable()) {
    ThrowReadOnly(exception_state);
    return;
  }
  if (unit_type == SVGAngle::kSvgAngletypeUnknown ||
      unit_type > SVGAngle::kSvgAngletypeGrad) {
    exception_state.ThrowDOMException(
        DOMExceptionCode::kNotSupportedError,
        "Cannot convert to unknown or invalid units (" +
            String::Number(unit_type) + ").");
    return;
  }
  if (Target()->UnitType() == SVGAngle::kSvgAngletypeUnknown) {
    exception_state.ThrowDOMException(
        DOMExceptionCode::kNotSupportedError,
        "Cannot convert from unknown or invalid units.");
    return;
  }
  Target()->ConvertToSpecifiedUnits(
      static_cast<SVGAngle::SVGAngleType>(unit_type));
  CommitChange();
}

void SVGAngleTearOff::setValueAsString(const String& value,
                                       ExceptionState& exception_state) {
  if (IsImmutable()) {
    ThrowReadOnly(exception_state);
    return;
  }
  String old_value = Target()->ValueAsString();
  SVGParsingError status = Target()->SetValueAsString(value);
  if (status == SVGParseStatus::kNoError && !HasExposedAngleUnit()) {
    Target()->SetValueAsString(old_value);  // rollback to old value
    status = SVGParseStatus::kParsingFailed;
  }
  if (status != SVGParseStatus::kNoError) {
    exception_state.ThrowDOMException(
        DOMExceptionCode::kSyntaxError,
        "The value provided ('" + value + "') is invalid.");
    return;
  }
  CommitChange();
}

SVGAngleTearOff* SVGAngleTearOff::CreateDetached() {
  return Create(SVGAngle::Create(), nullptr, kPropertyIsNotAnimVal);
}

}  // namespace blink