// Modal dialogs

$base_padding: 6px;
$base_margin: 4px;
$dialog_radius: 18px;
$osd_radius: 18px;
$radius: 6px;

// Mixin to convert provided font size in pt to em units
@mixin fontsize($size, $base: 16px, $unit: pt) {
  // if pt, convert into unitless value with the assumption: 1pt = 1.091px
  $adjusted_size: if($unit == pt, $size * 1.091, $size) * 1000;
  $rounded_size: round($adjusted_size / $base) / 1000;
  font-size: $rounded_size * 1em;
}

// Button drawing function
@mixin styled_button($type, $tc:$fg_color, $c:$bg_color, $style: null) {
  //
  // $type:         button type, possible values:
  //                  - normal, focus, hover, active, checked, insensitive, default, undecorated
  // $c:            button bg color, derived from bg_color
  // $tc:           button text color, derived from fg_color
  // $style:        button style, possible values: flat, default
  //

  // mix input colors to get button background color
  $button_bg_color: $button_bg;

  // background color mix override for flat style; the button bg color is the background color input
  @if $style == 'flat' { $button_bg_color: $c;}
  // background color mix override for default button style
  @if $style == 'default' { $button_bg_color: $c;}

  // button base state background colors
  $hover_button_bg_color: if($variant =='light', darken($button_bg_color, 6%), lighten($button_bg_color, 10%));
  $active_button_bg_color: if($variant =='light', darken($hover_button_bg_color, 5%), darken($hover_button_bg_color, 5%));
  $checked_button_bg_color: if($variant =='light', darken($hover_button_bg_color, 5%), darken($hover_button_bg_color, 5%));
  $insensitive_button_bg_color: if($variant =='light', lighten($button_bg_color,  3%), darken($button_bg_color,  3%));
  $focus_button_bg_border_color: if($variant =='light', darken($button_bg_color, 30%), lighten($button_bg_color, 15%));

  border: 1px solid $button_bg_color;

  // flat style overrides
  @if $style == 'flat' {
    $insensitive_button_bg_color: $button_bg_color;
  }

  // normal style
  @if $type == 'normal' {
    color: $tc;
    background-color: $button_bg_color;
  }

  @if $type == 'focus' {
    color: $tc;
    background-color: $hover_button_bg_color;
    border: 1px solid $focus_button_bg_border_color;
  }

  // hover button
  @else if $type == 'hover' {
    color: $tc;
    background-color: $hover_button_bg_color;
  }

  // active button
  @else if $type == 'active' {
    color: $tc;
    background-color: $active_button_bg_color;
  }

  // checked button
  @else if $type == 'checked' {
    color: $tc;
    background-color: $checked_button_bg_color;
  }

  // insensitive button
  @else if $type == 'insensitive' {
    $insensitive_button_fg_color: transparentize($tc, .5);
    color: $insensitive_button_fg_color;
    background-color: $insensitive_button_bg_color;
  }

  // reset (unstyled button)
  @else if $type == 'undecorated' {
    background-color: transparent;
    border-color: transparent;
    box-shadow: none;

    &:insensitive {
      background-color: transparent !important;
    }
  }
}

%caption_heading {
  font-weight: 700;
  @include fontsize(9pt);
}

%caption {
  font-weight: 400;
  @include fontsize(9pt);
}

%title_2 {
  font-weight: 800;
  @include fontsize(15pt);
}

%title_4 {
  font-weight: 700;
  @include fontsize(13pt);
}

%heading {
  font-weight: 700;
  @include fontsize(11pt);
}

%flat_styled_button {
  @include styled_button(normal, $style: flat);
  &:focus { @include styled_button(focus, $style: flat); }
  &:hover { @include styled_button(hover, $style: flat); }
  &:insensitive { @include styled_button(insensitive, $style: flat); }
  &:selected,
  &:active { @include styled_button(active, $style: flat); }
  &:checked { @include styled_button(checked, $style: flat); }
}

%dialog_button {
  font-weight: bold;
  padding: $base_padding * 2;
  border-radius: $radius;

  @include styled_button(normal);
  &:focus { @include styled_button(focus); }
  &:hover { @include styled_button(hover); }
  &:active { @include styled_button(active); }
  &:checked { @include styled_button(checked); }
  &:insensitive { @include styled_button(insensitive); }
}

%dialog_button_default {
  @extend %dialog_button;

  @include styled_button(normal, $c: $selected_bg_color, $style: default);
  &:focus { @include styled_button(focus, $c: $selected_bg_color, $style: default); }
  &:hover { @include styled_button(hover, $c: $selected_bg_color, $style: default); }
  &:active { @include styled_button(active, $c: $selected_bg_color, $style: default); }
  &:checked { @include styled_button(checked, $c: $selected_bg_color, $style: default); }
  &:insensitive {
    border-color: $borders_color;

    @include styled_button(insensitive);
  }
}

%dialog_button_destructive {
  @extend %dialog_button;

  @include styled_button(normal, $c: $destructive_color, $tc: $selected_fg_color, $style: default);
  &:focus { @include styled_button(focus, $c: $destructive_color, $tc: $selected_fg_color, $style: default); }
  &:hover { @include styled_button(hover, $c: $destructive_color, $tc: $selected_fg_color, $style: default); }
  &:active { @include styled_button(active, $c: $destructive_color, $tc: $selected_fg_color, $style: default); }
  &:checked { @include styled_button(checked, $c: $destructive_color, $tc: $selected_fg_color, $style: default); }
  &:insensitive {
    border-color: $borders_color;

    @include styled_button(insensitive);
  }
}

.dialog {
  background-color: $panel_bg;
  border-radius: $dialog_radius;
  border: 1px solid $borders_color;
  padding: $base_padding * 3;

  .dialog-content-box {
    margin-top: $base_margin * 2;
    margin-bottom: $base_margin * 4;
    spacing: $base_margin * 8;
    max-width: 28em;
  }

  .dialog-button {
    @extend %dialog_button;

    &:default { @extend %dialog_button_default; }
    &:destructive-action { @extend %dialog_button_destructive; }
  }

  .confirm-dialog-title {
    @extend %title_2;
    text-align: center;
  }
}

// Lists in dialogs

.dialog-list {
  spacing: $base_padding * 3;

  .dialog-list-title {
    @extend %heading;
    text-align: center;
  }

  .dialog-list-scrollview { max-height: 200px; }
  .dialog-list-box {
    spacing: 1em;

    .dialog-list-item {
      spacing: 1em;

      .dialog-list-item-title { font-weight: bold; }
      .dialog-list-item-description {
        @extend %caption;
        color: darken($fg_color, 5%);
      }
    }
  }
}

// End session dialog

.end-session-dialog {
  min-width: 40em;

  .dialog-content-box { spacing: 0; }

  .dialog-list {
    spacing: 0;

    .dialog-list-title {
      color: $warning_color;
      background-color: tranparentize($warning_color, 0.9);
      padding: $base_padding * 1.5;
      border-radius: $osd_radius;
      margin: $base_margin 0;
    }
  }
}

// message dialog

.message-dialog-content {
  spacing: $base_padding * 3;

  .message-dialog-title {
    text-align: center;
    @extend %title_2;

    &.lightweight { @extend %title_4; }
  }

  .message-dialog-description { text-align: center; }

  .message-dialog-caption {
    @extend %caption; 
    text-align: center;
  }
}

// run dialog

.run-dialog {

  .dialog-content-box {
    margin: $base_margin;
  }

  &-description {
    @extend %caption;

    text-align: center;
    color: darken($fg_color, 20%);

    &.error { color: $error_color; }
  }

  &-completion-box {
    padding-top: $base_padding;
    padding-left: $base_padding * 2;
  }

  &-entry {
    @extend %entry;

    width: 20em;
    height: 1.2em;
  }
}

// password or authentication dialog

.prompt-dialog {
  width: 28em;

  .dialog-content-box {
    spacing: $base_margin * 4;
    margin-bottom: $base_margin * 3;
  }

  &-password-entry {
    @extend %entry;
    width: 20em;
  }

  &-password-layout { spacing: $base_margin * 2;}

  &-error-label,
  &-info-label,
  &-null-label {
    text-align: center;
    @extend %caption;
  }

  &-error-label { color: $error_color; }
}

// polkit dialog

.polkit-dialog {

  &-user-layout {
    text-align: center;
    spacing: 2px;
  }

  &-user-combo {
    @extend %flat_styled_button;
    @extend %heading;

    border-radius: $radius;
    padding: $base_padding $base_padding * 6;

    // special case the :insensitive button sinc we want
    // the label to be the normal color when there are
    // not multiple users
    &:insensitive { color: $fg_color; }
  }
}

// Audio selection dialog

.audio-device-selection-dialog {
  min-width: 24em;

  .audio-selection-box {
    spacing: $base_padding *2;

    .audio-selection-device {
      @extend %flat_styled_button;
      border-radius: $osd_radius;

      .audio-selection-device-box {
        padding: $base_padding * 2;
        spacing: $base_padding * 2;
      }

      .audio-selection-device-icon { icon-size: 64px;}
    }
  }
}

// various on screen popups

%osd_base {
  background-color: $panel_bg;
  border: 1px solid $borders_color;
  border-radius: $osd_radius;
  text-align: center;
  padding: $base_padding * 4;
}

// media keys osd

.media-keys-osd {
  @extend %osd_base;
  @extend %title_4;

  margin-bottom: 1em;
  border-radius: $osd_radius;
  font-weight: bold;
  spacing: $base_padding * 2;
  padding: $base_padding * 2 $base_padding * 4;
  & > * { spacing: $base_padding * 2; }

  StIcon {
    icon-size: 32px;
  }

  StLabel {
    &:ltr { margin-right: $base_padding; }
    &:rtl { margin-left: $base_padding; }
  }

  .level {
    min-width: 160px;
    -barlevel-height: 6px;
    -barlevel-background-color: $gray;
    -barlevel-active-background-color: $selected_bg_color;
    -barlevel-amplify-color: $warning_color;
    -barlevel-amplify-separator-width: $base_padding * 0.5;

    &:ltr { margin-right: $base_padding; }
    &:rtl { margin-left: $base_padding; }
  }

  .level-bar {
    border-radius: $osd_radius;
    background-color: $fg_color;
  }
}

.info-osd {
  @extend %osd_base;

  font-size: 1.2em;
  font-weight: 700;
  text-align: center;
}

.workspace-switch-osd {
  @extend %osd_base;
  @extend %title_4;

  min-width: 140px;
  margin-bottom: 1em;
  border-radius: $osd_radius;
  font-weight: bold;
  padding: $base_padding * 2 $base_padding * 6 0 $base_padding * 6;

  &-indicator-box { spacing: $base_padding * 2; }

  &-indicator {
    background-color: transparentize($fg_color, 0.5);
    padding: 3px;
    margin: 15px;
    border-radius: 36px;

    &:active {
      background-color: $selected_bg_color;
      padding: 6px;
      margin: 12px;
    }
  }
}

.monitor-label {
  border-radius: 0;
  color: black;
  padding: $base_padding * 2;
  text-align: center;
}

//  resize popup

.resize-popup {
  color: $fg_color;
  background-color: $bg_color;
  border-radius: $radius;
  padding: $base_padding * 2;
}