9817230ef8
This new CSS variable will allow us to simplify a couple of different viewer components, since we no longer need to use JavaScript-based hacks and can directly set the CSS rules instead. In particular: - The `BaseViewer`-handling, used as part of the code that will center pages *vertically* in PresentationMode, can be simplified. By using CSS to control the height of the "dummy"-page we avoid unnecessarily invalidating the scale-value, which can reduce *some* unneeded re-rendering while PresentationMode is active. - The `SecondaryToolbar.#setMaxHeight`-method, and its associated parameters, are no longer necessary and can be completely removed. Note that in order for things to work correctly in general, the new `--viewer-container-height` CSS variable must potentially be updated on any window-based "resize"-event (even when there's no zooming). While this is currently only done in the default viewer, that shouldn't be an issue since neither PresentationMode nor Toolbar-functionality is included in the "viewer components".
161 lines
3.4 KiB
CSS
161 lines
3.4 KiB
CSS
/* Copyright 2014 Mozilla Foundation
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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@import url(text_layer_builder.css);
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@import url(annotation_layer_builder.css);
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@import url(xfa_layer_builder.css);
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:root {
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--viewer-container-height: 0;
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--pdfViewer-padding-bottom: 0;
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--page-margin: 1px auto -8px;
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--page-border: 9px solid transparent;
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--spreadHorizontalWrapped-margin-LR: -3.5px;
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--zoom-factor: 1;
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}
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@media screen and (forced-colors: active) {
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:root {
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--pdfViewer-padding-bottom: 9px;
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--page-margin: 9px auto 0;
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--page-border: none;
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--spreadHorizontalWrapped-margin-LR: 4.5px;
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}
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}
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.pdfViewer {
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padding-bottom: var(--pdfViewer-padding-bottom);
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}
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.pdfViewer .canvasWrapper {
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overflow: hidden;
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}
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.pdfViewer .page {
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direction: ltr;
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width: 816px;
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height: 1056px;
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margin: var(--page-margin);
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position: relative;
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overflow: visible;
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border: var(--page-border);
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background-clip: content-box;
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border-image: url(images/shadow.png) 9 9 repeat;
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background-color: rgba(255, 255, 255, 1);
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}
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.pdfViewer .dummyPage {
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position: relative;
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width: 0;
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height: var(--viewer-container-height);
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}
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.pdfViewer.removePageBorders .page {
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margin: 0 auto 10px;
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border: none;
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}
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.pdfViewer.singlePageView {
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display: inline-block;
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}
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.pdfViewer.singlePageView .page {
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margin: 0;
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border: none;
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}
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.pdfViewer.scrollHorizontal,
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.pdfViewer.scrollWrapped,
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.spread {
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margin-left: 3.5px;
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margin-right: 3.5px;
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text-align: center;
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}
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.pdfViewer.scrollHorizontal,
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.spread {
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white-space: nowrap;
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}
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.pdfViewer.removePageBorders,
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.pdfViewer.scrollHorizontal .spread,
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.pdfViewer.scrollWrapped .spread {
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margin-left: 0;
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margin-right: 0;
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}
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.spread .page,
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.spread .dummyPage,
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.pdfViewer.scrollHorizontal .page,
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.pdfViewer.scrollWrapped .page,
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.pdfViewer.scrollHorizontal .spread,
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.pdfViewer.scrollWrapped .spread {
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display: inline-block;
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vertical-align: middle;
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}
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.spread .page,
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.pdfViewer.scrollHorizontal .page,
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.pdfViewer.scrollWrapped .page {
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margin-left: var(--spreadHorizontalWrapped-margin-LR);
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margin-right: var(--spreadHorizontalWrapped-margin-LR);
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}
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.pdfViewer.removePageBorders .spread .page,
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.pdfViewer.removePageBorders.scrollHorizontal .page,
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.pdfViewer.removePageBorders.scrollWrapped .page {
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margin-left: 5px;
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margin-right: 5px;
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}
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.pdfViewer .page canvas {
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margin: 0;
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display: block;
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}
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.pdfViewer .page canvas[hidden] {
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display: none;
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}
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.pdfViewer .page .loadingIcon {
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position: absolute;
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display: block;
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left: 0;
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top: 0;
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right: 0;
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bottom: 0;
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background: url("images/loading-icon.gif") center no-repeat;
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}
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.pdfViewer .page .loadingIcon.notVisible {
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background: none;
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}
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.pdfViewer.enablePermissions .textLayer span {
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user-select: none !important;
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cursor: not-allowed;
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}
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.pdfPresentationMode .pdfViewer {
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padding-bottom: 0;
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}
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.pdfPresentationMode .spread {
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margin: 0;
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}
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.pdfPresentationMode .pdfViewer .page {
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margin: 0 auto;
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border: 2px solid transparent;
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}
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