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[api-minor] Remove the structTreeLayerFactory
in the viewer
Please note that this functionality has never really mattered for the Firefox PDF Viewer, the GENERIC viewer, or even the "simpleviewer"/"singlepageviewer" component-examples. Hence, in practice this means that only the "pageviewer" component-example[1] have ever really utilized this. Using factories to initialize various layers in the viewer, rather than simply invoking the relevant code directly, seems (at least to me) like a somewhat roundabout way of doing things. Not only does this lead to more code, both to write and maintain, but since many of the layers have common parameters (e.g. an `AnnotationStorage`-instance) there's also some duplication. Hence this patch, which removes the `structTreeLayerFactory` and instead uses a lookup-function in the `PDFPageView`-class to access the external viewer-properties as necessary. Note that this should even be an improvement for the "pageviewer" component-example, since most layers will now work by default rather than require manual configuration. --- [1] In practice we generally suggest using the "simpleviewer", or "singlepageviewer", since it does *most* things out-of-the-box and given that a lot of functionality really require *a viewer* and not just a single page in order to work.
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5 changed files with 13 additions and 55 deletions
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@ -17,8 +17,6 @@
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/** @typedef {import("../src/display/api").PDFPageProxy} PDFPageProxy */
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// eslint-disable-next-line max-len
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/** @typedef {import("../src/display/display_utils").PageViewport} PageViewport */
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// eslint-disable-next-line max-len
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/** @typedef {import("./struct_tree_builder").StructTreeLayerBuilder} StructTreeLayerBuilder */
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/** @typedef {import("./text_highlighter").TextHighlighter} TextHighlighter */
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// eslint-disable-next-line max-len
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/** @typedef {import("./text_layer_builder").TextLayerBuilder} TextLayerBuilder */
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@ -198,16 +196,6 @@ class IPDFXfaLayerFactory {
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createXfaLayerBuilder({ pageDiv, pdfPage, annotationStorage = null }) {}
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}
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/**
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* @interface
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*/
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class IPDFStructTreeLayerFactory {
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/**
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* @returns {StructTreeLayerBuilder}
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*/
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createStructTreeLayerBuilder() {}
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}
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/**
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* @interface
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*/
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@ -278,7 +266,6 @@ export {
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IDownloadManager,
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IL10n,
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IPDFLinkService,
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IPDFStructTreeLayerFactory,
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IPDFTextLayerFactory,
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IPDFXfaLayerFactory,
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IRenderableView,
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