pdf.js/web/pdf_viewer.component.js
Jonas Jenwald c6d400ed06 Export the XFA/StructTree-layers in the viewer components
While e.g. the `simpleviewer` and `singlepageviewer` examples work, since they're based on the `BaseViewer`-class, the standalone `pageviewer` example currently doesn't support either XFA- or StructTree-layers. This seems like an obvious oversight, which can be easily addressed simply by exporting the necessary functionality through `pdf_viewer.component.js`, similar to the existing Text/Annotation-layers.

While working on, and testing, these changes I happened to notice a number of smaller things that's also fixed in this patch:

 - Ensure that `XfaLayerBuilder.render` always have a *consistent* return type, to prevent possible run-time failures in `PDFPageView`; PR 13908 follow-up.

 - Change the order of the options in the `XfaLayerBuilder`-constructor to agree with the parameter order in the `DefaultXfaLayerFactory.createXfaLayerBuilder`-method.

 - Add a missing `textHighlighterFactory`-option, in the JSDocs for the `PDFPageView`-class.

 - A couple of small tweaks in the `TextLayerBuilder.render`-method: Re-use an existing Array rather than creating a new one, and replace an `if` with optional chaining instead.

*Please note:* For now XFA-support is currently disabled by default, similar to the regular viewer.
2021-08-28 18:43:08 +02:00

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JavaScript

/* Copyright 2014 Mozilla Foundation
*
* 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.
*/
import {
AnnotationLayerBuilder,
DefaultAnnotationLayerFactory,
} from "./annotation_layer_builder.js";
import {
DefaultStructTreeLayerFactory,
StructTreeLayerBuilder,
} from "./struct_tree_layer_builder.js";
import {
DefaultTextLayerFactory,
TextLayerBuilder,
} from "./text_layer_builder.js";
import {
DefaultXfaLayerFactory,
XfaLayerBuilder,
} from "./xfa_layer_builder.js";
import { EventBus, ProgressBar } from "./ui_utils.js";
import { PDFLinkService, SimpleLinkService } from "./pdf_link_service.js";
import { DownloadManager } from "./download_manager.js";
import { GenericL10n } from "./genericl10n.js";
import { NullL10n } from "./l10n_utils.js";
import { PDFFindController } from "./pdf_find_controller.js";
import { PDFHistory } from "./pdf_history.js";
import { PDFPageView } from "./pdf_page_view.js";
import { PDFScriptingManager } from "./pdf_scripting_manager.js";
import { PDFSinglePageViewer } from "./pdf_single_page_viewer.js";
import { PDFViewer } from "./pdf_viewer.js";
// eslint-disable-next-line no-unused-vars
const pdfjsVersion = PDFJSDev.eval("BUNDLE_VERSION");
// eslint-disable-next-line no-unused-vars
const pdfjsBuild = PDFJSDev.eval("BUNDLE_BUILD");
export {
AnnotationLayerBuilder,
DefaultAnnotationLayerFactory,
DefaultStructTreeLayerFactory,
DefaultTextLayerFactory,
DefaultXfaLayerFactory,
DownloadManager,
EventBus,
GenericL10n,
NullL10n,
PDFFindController,
PDFHistory,
PDFLinkService,
PDFPageView,
PDFScriptingManager,
PDFSinglePageViewer,
PDFViewer,
ProgressBar,
SimpleLinkService,
StructTreeLayerBuilder,
TextLayerBuilder,
XfaLayerBuilder,
};