| /* |
| * Copyright (C) 2013 Google Inc. All rights reserved. |
| * |
| * 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 |
| * notice, this list of conditions and the following disclaimer. |
| * * Redistributions in binary form must reproduce the above |
| * copyright notice, this list of conditions and the following disclaimer |
| * in the documentation and/or other materials provided with the |
| * distribution. |
| * * Neither the name of Google Inc. nor the names of its |
| * 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, |
| * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT |
| * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
| * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
| * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
| * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| */ |
| |
| #include "core/animation/animatable/AnimatableLengthBoxAndBool.h" |
| |
| #include "core/animation/animatable/AnimatableLength.h" |
| #include "core/animation/animatable/AnimatableLengthBox.h" |
| |
| namespace blink { |
| |
| static bool sidesHaveSameUnits(const AnimatableValue* sideA, |
| const AnimatableValue* sideB) { |
| if (!sideA->isLength() || !sideB->isLength()) |
| return false; |
| return toAnimatableLength(sideA)->hasSameUnits(toAnimatableLength(sideB)); |
| } |
| |
| // This is only used by *-image-slice properties which cannot interpolate |
| // between numbers and percentages. Numbers are internally represented by pixels |
| // on the ComputedStyle so we must manually type check both sides. |
| bool AnimatableLengthBoxAndBool::usesDefaultInterpolationWith( |
| const AnimatableValue* value) const { |
| const AnimatableLengthBoxAndBool* lengthBoxAndBool = |
| toAnimatableLengthBoxAndBool(value); |
| if (lengthBoxAndBool->flag() != flag()) |
| return true; |
| if (!box()->isLengthBox() || !lengthBoxAndBool->box()->isLengthBox()) |
| return AnimatableValue::usesDefaultInterpolation(box(), |
| lengthBoxAndBool->box()); |
| const AnimatableLengthBox* boxA = toAnimatableLengthBox(box()); |
| const AnimatableLengthBox* boxB = |
| toAnimatableLengthBox(lengthBoxAndBool->box()); |
| return !sidesHaveSameUnits(boxA->left(), boxB->left()) || |
| !sidesHaveSameUnits(boxA->right(), boxB->right()) || |
| !sidesHaveSameUnits(boxA->top(), boxB->top()) || |
| !sidesHaveSameUnits(boxA->bottom(), boxB->bottom()); |
| } |
| |
| PassRefPtr<AnimatableValue> AnimatableLengthBoxAndBool::interpolateTo( |
| const AnimatableValue* value, |
| double fraction) const { |
| const AnimatableLengthBoxAndBool* lengthBoxAndBool = |
| toAnimatableLengthBoxAndBool(value); |
| if (usesDefaultInterpolationWith(lengthBoxAndBool)) |
| return defaultInterpolateTo(this, value, fraction); |
| return AnimatableLengthBoxAndBool::create( |
| AnimatableValue::interpolate(box(), lengthBoxAndBool->box(), fraction), |
| flag()); |
| } |
| |
| bool AnimatableLengthBoxAndBool::equalTo(const AnimatableValue* value) const { |
| const AnimatableLengthBoxAndBool* lengthBox = |
| toAnimatableLengthBoxAndBool(value); |
| return box()->equals(lengthBox->box()) && flag() == lengthBox->flag(); |
| } |
| |
| } // namespace blink |