/*****************************************************************************
 * Open MCT Web, Copyright (c) 2014-2015, United States Government
 * as represented by the Administrator of the National Aeronautics and Space
 * Administration. All rights reserved.
 *
 * Open MCT Web is 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.
 *
 * Open MCT Web includes source code licensed under additional open source
 * licenses. See the Open Source Licenses file (LICENSES.md) included with
 * this source code distribution or the Licensing information page available
 * at runtime from the About dialog for additional information.
 *****************************************************************************/
@mixin absPosDefault($offset: 0px, $overflowHidden: hidden) {
    overflow: $overflowHidden;
    position: absolute;
    top: $offset; right: $offset; bottom: $offset; left: $offset;
    width: auto; height: auto;
}

@mixin trans-prop-nice($props, $t: 500ms) {
	@if $t == 0 {
		@include transition-property(none);
	} @else {
		@include transition-property($props);
		@include transition-duration($t);
		@include transition-timing-function(ease-in-out);
	}
}

@mixin trans-prop-nice-fade($t: 0.5s) {
	@if $t == 0 {
		@include transition-property(none);
	} @else {
		@include transition-property(visibility, opacity, background-color, border-color);
		@include transition-duration($t);
		@include transition-timing-function(ease-in-out);
	}
}

@mixin trans-prop-nice-resize-h($t: 0.5s) {
	@include transition-property(height, bottom, top);
	@include transition-duration($t);
	@include transition-timing-function(ease-in-out);
}

@mixin trans-prop-nice-resize-w($t: 0.5s) {
	@include transition-property(width, left, right);
	@include transition-duration($t);
	@include transition-timing-function(ease-in-out);
}

@mixin triangle-right($size, $color) {
	$size: $size/2;
	$ratio: 1;
	width: 0;
	height: 0;
	border-top: $size/$ratio solid transparent;
	border-left: $size solid $color;
	border-bottom: $size/$ratio solid transparent;
}

@mixin triangle-down($size, $color) {
	$size: $size/2;
	$ratio: 1;
	width: 0;
	height: 0;
	border-left: $size/$ratio solid transparent;
	border-top: $size solid $color;
	border-right: $size/$ratio solid transparent;
}

@mixin triangle($dir: "left", $size: 5px, $ratio: 1, $color: red) {
	//$size: $size*2;
	width: 0;
	height: 0;
	$slopedB: $size/$ratio solid transparent;
	$straightB: $size solid $color;
	@if $dir == "up" {
		border-left: $slopedB;
		border-right: $slopedB;
		border-bottom: $straightB;
	} @else if $dir == "right" {
		border-top: $slopedB;
		border-bottom: $slopedB;
		border-left: $straightB;
	} @else if $dir == "down"  {
		border-left: $slopedB;
		border-right: $slopedB;
		border-top: $straightB;
	} @else {
		border-top: $slopedB;
		border-bottom: $slopedB;
		border-right: $straightB;
	}
}

@mixin bgDiagonalStripes($c: yellow, $a: 0.1, $d: 40px) {
	@include background-image(linear-gradient(-45deg,
		rgba($c, $a) 25%, transparent 25%,
		transparent 50%, rgba($c, $a) 50%,
		rgba($c, $a) 75%, transparent 75%,
		transparent 100%
	));
	background-repeat: repeat;
	background-size: $d $d;
}

@mixin bgTicks($c: $colorBodyFg, $repeatDir: 'x') {
	$deg: 90deg;
	@if ($repeatDir != 'x') {
		$deg: 0deg;
		$repeatDir: repeat-y;
	} @else {
		$repeatDir: repeat-x;
	}

	@include background-image(linear-gradient($deg,
		$c 1px, transparent 1px,
		transparent 100%
	));
	background-repeat: $repeatDir;
}

@mixin containerSubtle($bg: $colorBodyBg, $fg: $colorBodyFg, $hover: false) {
	$ltnRatio: 7%;
	$gradRatio: 5%;
	$hovRatio: 7%;
	$bgBase: lighten($bg, $ltnRatio);
	$fgBase: lighten($fg, $ltnRatio);
	$gradC1: lighten($bgBase, $gradRatio);
	$gradC2: $bgBase;
	$cInvokeBase: lighten($gradC1, $ltnRatio*2);

	@include background-image(linear-gradient($gradC1, $gradC2));
	@include border-radius($controlCr);
	@include box-sizing(border-box);
	@include boxShdwSubtle();
	border: none;
	border-top: 1px solid lighten($gradC1, 2%);
	color: $fg;
	display: inline-block;
	@if $hover == true {
		&:not(.disabled):hover {
			@include background-image(linear-gradient(lighten($gradC1, $hovRatio), lighten($gradC2, $hovRatio)));
			color: lighten($fgBase, $hovRatio);
			&.btn-menu .invoke-menu {
				color: lighten($cInvokeBase, $hovRatio);
			}
		}
	}
	&.btn-menu .invoke-menu {
		color: $cInvokeBase;
	}
}

@mixin sliderTrack($bg: $scrollbarTrackColorBg) {
    $b: 1px solid lighten($bg, 30%);
    @include border-radius(2px);
    @include box-sizing(border-box);
    @include boxIncised(0.7);
    background-color: $bg;
    border-bottom: $b;
    border-right: $b;
}

@mixin controlGrippy($b, $direction: horizontal, $w: 1px, $style: dotted) {
	&:before {
		@include trans-prop-nice("border-color",0.75s);
		content: '';
		display: block;
		height: auto;
		pointer-events: none;
		position: absolute;
		z-index: 2;

		@if $direction == "horizontal" {
			border-top: $w $style darken($b, 15%);
			top: 2px;
			left: 5px;
			right: 5px;

		} @else if $direction == "vertical" {
			border-left: $w $style darken($b, 15%);
			left: 2px;
			bottom: 5px;
			top: 5px;
		}
	}
	&:not(.disabled):hover:before {
		@include trans-prop-nice("border-color",50ms);
		border-color: $colorKey;
	}
}

@mixin btnSubtle($bg: $colorBodyBg, $fg: $colorBodyFg) {
	@include containerSubtle($bg, $fg, true);
}

@mixin btnNoticeable($bg: $colorBodyBg, $fg: $colorBodyFg) {
	// No longer should be used; use btnSubtle instead
	//@include containerSubtle($bg, $fg, true);
	//@include background-image(linear-gradient(lighten($bg, 20%), $bg));
/*	&:not(.disabled):hover {
		@include background-image(linear-gradient(lighten($bg, 30%), lighten($bg, 10%)));
	}*/
}

@mixin boxIncised($sVal: 0.6) {
    @include box-shadow(inset rgba(black, $sVal) 0 1px 5px);
}

@mixin boxOutline($c: lighten($colorBodyBg, 20%)) {
    border: 1px solid $c;
}

@mixin boxShdwSubtle($sVal: 0.2) {
    @include box-shadow(rgba(black, $sVal) 0 1px 2px);
}

@mixin boxShdwLarge($sVal: 0.7) {
	@include box-shadow(rgba(black, $sVal) 0 3px 10px);
}

@mixin outerGlow($color: #fff, $sVal: 0.3) {
	@include box-shadow(rgba($color, $sVal) 0 0 30px);
}

@mixin linearGlow($deg: 0, $c: red, $a: 0.4) {
    @include background-image(linear-gradient($deg, rgba($c,0), rgba($c, $a) 100%));
}

@mixin subtleGrad($deg: 0, $c: red, $a0: 0.2, $a1: 0.3) {
	@include background-image(linear-gradient($deg, rgba($c,$a0), rgba($c, $a1) 100%));
}

@mixin txtShdwSubtle($sVal: 0.1) {
	@include text-shadow(rgba(black, $sVal) 0 1px 2px);
}
@mixin txtShdwLarge($sVal: 0.7) {
	@include text-shadow(rgba(black, $sVal) 0 3px 7px);
}


/*
@mixin invokeMenu($baseColor: $colorBodyFg) {
	$c: $baseColor;
	color: $c;
	&:hover {
		color: lighten($c, $ltGamma);
	}
}
*/

@mixin menuUlReset() {
    margin: 0;
    padding: 0;
    li {
        list-style-type: none;
        margin:0;
        padding: 0;
    }
}

@mixin vertical-align {
	/* This doesn't work on an element inside an element with absolute positioning that has height: auto */
	position: relative;
	top: 50%;
	-webkit-transform: translateY(-50%);
	-ms-transform: translateY(-50%);
	transform: translateY(-50%);
}

@mixin ellipsize() {
	overflow: hidden;
	text-overflow: ellipsis;
	white-space: nowrap;
}

@mixin scrollH($showBar: auto) {
    overflow-x: $showBar;
    overflow-y: hidden;
}

@mixin scrollV($showBar: auto) {
    overflow-x: hidden;
    overflow-y: $showBar;
}

@mixin wait-spinner($b: 5px, $c: $colorAlt1) {
	display: block;
	position: absolute;
	-webkit-animation: rotation .6s infinite linear;
	-moz-animation: rotation .6s infinite linear;
	-o-animation: rotation .6s infinite linear;
	animation: rotation .6s infinite linear;
	border-color: rgba($c, 0.25);
	border-top-color: rgba($c, 1.0);
	border-style: solid;
	border-width: $b;
	border-radius: 100%;
}

@mixin test($c: #ffcc00, $a: 0.2) {
	background-color: rgba($c, $a);
}

@mixin testObj($w: 2000px, $h: 1000px, $c: black, $a: 0.1) {
    &:after {
        @include box-sizing(border-box);
        @include bgDiagonalStripes($c, $a);
        color: rgba(white, 0.3);
        font-style: italic;
        content: "Test Object";
        display: block;
        padding: 20px;
        position: relative;
        width: $w;
        height: $h;
        transform: scaleX(1) scaleY(1) scaleZ(1);
        transform-origin: 50% 50% 0;
    }
}

@mixin s-stale($a: 0.5) {
	color: rgba($colorTelemFresh, $a) !important;
	font-style: italic;
}