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<style>
:host {
--tabstrip-tab-title-height: 40px;
--tabstrip-tab-transition-duration: 250ms;
cursor: pointer;
height: var(--tabstrip-tab-height);
position: relative;
width: var(--tabstrip-tab-width);
}
#dragImage {
background: var(--tabstrip-tab-background-color);
border-radius: var(--tabstrip-tab-border-radius);
box-shadow: 0 0 0 1px var(--tabstrip-tab-separator-color);
color: var(--tabstrip-tab-text-color);
display: flex;
flex-direction: column;
height: 100%;
overflow: hidden;
width: 100%;
}
:host([active]) #dragImage {
box-shadow: 0 0 0 2px var(--tabstrip-tab-active-border-color);
outline: none;
}
#title {
align-items: center;
border-block-end: 1px solid var(--tabstrip-tab-separator-color);
box-sizing: border-box;
display: flex;
height: var(--tabstrip-tab-title-height);
justify-content: center;
margin: 0;
overflow: hidden;
}
#faviconContainer {
--favicon-size: 16px;
flex-shrink: 0;
height: var(--favicon-size);
margin-inline-end: 8px;
margin-inline-start: 12px;
max-width: var(--favicon-size);
position: relative;
/* When transitioning to the default visible state, the margin and max-width
* transitions should finish first, then the opacity should be set to 1.
* This prevents the favicon and loading spinners from looking cropped
* while the element transitions. */
transition: margin var(--tabstrip-tab-transition-duration),
max-width var(--tabstrip-tab-transition-duration),
opacity 0ms linear var(--tabstrip-tab-transition-duration);
width: var(--favicon-size);
}
:host([hide-icon_]) #faviconContainer {
margin-inline-end: 0;
max-width: 0;
opacity: 0;
/* When transitioning to the hidden state, set opacity immediately to 0
* while transitioning the other values normally. */
transition: margin var(--tabstrip-tab-transition-duration),
max-width var(--tabstrip-tab-transition-duration),
opacity 0ms;
}
:host([pinned_]) #faviconContainer {
margin: 0;
}
#progressSpinner,
#favicon,
#crashedIcon {
height: var(--favicon-size);
left: 50%;
position: absolute;
top: 50%;
transform: translate(-50%, -50%);
width: var(--favicon-size);
}
#progressSpinner {
-webkit-mask:
url(chrome://resources/images/throbber_small.svg)
center/contain no-repeat;
display: none;
}
#favicon {
background-size: contain;
transition: border-radius var(--tabstrip-tab-transition-duration);
}
#crashedIcon {
-webkit-mask:
url(chrome://theme/IDR_CRASH_SAD_FAVICON@2x)
center/contain no-repeat;
background-color: currentColor;
opacity: 0;
transform: translate(-50%, 100%);
}
#blocked {
background: var(--tabstrip-tab-blocked-color);
border: solid 1px var(--tabstrip-tab-background-color);
border-radius: 50%;
bottom: 0;
display: none;
height: 6px;
position: absolute;
right: 0;
transform: translate(50%, 50%);
width: 6px;
}
:host([waiting_]) #progressSpinner,
:host([loading_]) #progressSpinner {
display: block;
}
:host([loading_]) #favicon {
border-radius: 50%;
height: calc(var(--favicon-size) - 6px);
overflow: hidden;
width: calc(var(--favicon-size) - 6px);
}
:host([waiting_]) #progressSpinner {
background-color: var(--tabstrip-tab-waiting-spinning-color);
transform: /* Center first, then flip horizontally. */
translate(-50%, -50%) scaleX(-1);
}
:host([waiting_]) #favicon {
display: none;
}
:host([loading_]) #progressSpinner {
background-color: var(--tabstrip-tab-loading-spinning-color);
}
:host([crashed_]) #favicon {
opacity: 0;
transform: translate(-50%, 100%);
transition:
opacity var(--tabstrip-tab-transition-duration),
transform var(--tabstrip-tab-transition-duration);
}
:host([crashed_]) #crashedIcon {
opacity: 1;
transform: translate(-50%, -50%);
transition:
opacity var(--tabstrip-tab-transition-duration),
transform var(--tabstrip-tab-transition-duration);
/* Wait until transition for #favicon finishes. */
transition-delay: var(--tabstrip-tab-transition-duration);
}
:host([blocked_]) #blocked {
display: block;
}
:host([active][blocked_]) #blocked {
display: none;
}
#titleText {
font-size: 100%;
font-weight: normal;
overflow: hidden;
text-overflow: ellipsis;
white-space: nowrap;
}
#close {
-webkit-appearance: none;
align-items: center;
background-color: transparent;
border: 0;
color: inherit;
cursor: pointer;
display: flex;
flex-shrink: 0;
height: 100%;
justify-content: center;
margin-inline-start: auto;
padding: 0;
position: relative;
width: 36px;
}
#closeIcon {
-webkit-mask:
url(chrome://resources/images/icon_clear.svg)center/contain no-repeat;
background-color: currentColor;
display: block;
height: 18px;
position: relative;
width: 18px;
}
#thumbnail {
align-items: center;
background: var(--tabstrip-tab-background-color);
display: flex;
flex: 1;
justify-content: center;
}
#thumbnailImg {
height: calc(var(--tabstrip-tab-height) - var(--tabstrip-tab-title-height));
object-fit: cover;
pointer-events: none;
width: var(--tabstrip-tab-width);
}
#thumbnailImg:not([src]) {
display: none;
pointer-events: none;
width: 100%;
}
/* Pinned tab styles */
:host([pinned_]) {
height: var(--tabstrip-pinned-tab-size);
width: var(--tabstrip-pinned-tab-size);
}
:host([pinned_]) #title {
border-block-end: 0;
height: 100%;
}
:host([pinned_]) #titleText,
:host([pinned_]) #close,
:host([pinned_]) #thumbnail {
display: none;
}
:host([dragging_]) #dragPlaceholder {
background: var(--tabstrip-tab-background-color);
border-radius: var(--tabstrip-tab-border-radius);
height: 100%;
opacity: 0.5;
width: 100%;
}
/* When being dragged, the contents of the drag image needs to be off-screen
* with nothing else on top or below obscuring it. */
:host([dragging_]) #dragImage {
box-shadow: none;
position: absolute;
top: -999px;
}
</style>
<div id="dragPlaceholder"></div>
<div id="dragImage">
<header id="title">
<div id="faviconContainer">
<div id="progressSpinner"></div>
<div id="favicon"></div>
<div id="crashedIcon"></div>
<div id="blocked"></div>
</div>
<h2 id="titleText"></h2>
<button id="close">
<span id="closeIcon"></span>
</button>
</header>
<div id="thumbnail">
<img id="thumbnailImg">
</div>
</div>
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