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Merge pull request #21349 from Snuffleupagus/OptionalContentConfig-serializable

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Implement proper serialization of `OptionalContentConfig`
This commit is contained in:
Jonas Jenwald 2026-06-02 21:57:16 +02:00 committed by GitHub
commit 19046a6949
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1 changed files with 62 additions and 13 deletions
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75
src/display/optional_content_config.js
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@ -72,6 +72,13 @@ class OptionalContentGroup {
this.#userSet = userSet;
this.#visible = visible;
}
get serializable() {
return {
userSet: this.#userSet,
visible: this.#visible,
};
}
}
class OptionalContentConfig {
@ -83,11 +90,19 @@ class OptionalContentConfig {
#order = null;
constructor(data, renderingIntent = RenderingIntentFlag.DISPLAY) {
this.renderingIntent = renderingIntent;
#rawData;
this.name = null;
this.creator = null;
creator = null;
name = null;
constructor(
data,
renderingIntent = RenderingIntentFlag.DISPLAY,
groupState = null // Should *only* be used with `fromSerializable`.
) {
this.#rawData = data;
this.renderingIntent = renderingIntent;
if (data === null) {
return;
@ -102,18 +117,29 @@ class OptionalContentConfig {
);
}
if (data.baseState === "OFF") {
for (const group of this.#groups.values()) {
group._setVisible(INTERNAL, false);
if (groupState) {
if (groupState.size !== this.#groups.size) {
unreachable("Incorrect serialized groupState.");
}
for (const [id, group] of groupState) {
this.#groups
.get(id)
._setVisible(INTERNAL, group.visible, group.userSet);
}
} else {
if (data.baseState === "OFF") {
for (const group of this.#groups.values()) {
group._setVisible(INTERNAL, false);
}
}
}
for (const on of data.on) {
this.#groups.get(on)._setVisible(INTERNAL, true);
}
for (const on of data.on) {
this.#groups.get(on)._setVisible(INTERNAL, true);
}
for (const off of data.off) {
this.#groups.get(off)._setVisible(INTERNAL, false);
for (const off of data.off) {
this.#groups.get(off)._setVisible(INTERNAL, false);
}
}
// The following code must always run *last* in the constructor.
@ -230,6 +256,9 @@ class OptionalContentConfig {
}
setVisibility(id, visible = true, preserveRB = true) {
if (typeof PDFJSDev !== "undefined" && PDFJSDev.test("WORKER_THREAD")) {
throw new Error("Not implemented: setVisibility");
}
const group = this.#groups.get(id);
if (!group) {
warn(`Optional content group not found: ${id}`);
@ -255,6 +284,9 @@ class OptionalContentConfig {
}
setOCGState({ state, preserveRB }) {
if (typeof PDFJSDev !== "undefined" && PDFJSDev.test("WORKER_THREAD")) {
throw new Error("Not implemented: setOCGState");
}
let operator;
for (const elem of state) {
@ -319,6 +351,23 @@ class OptionalContentConfig {
[Symbol.iterator]() {
return this.#groups.entries();
}
get serializable() {
const groupState = new Map();
for (const [id, group] of this.#groups) {
groupState.set(id, group.serializable);
}
return {
data: this.#rawData,
renderingIntent: this.renderingIntent,
groupState,
};
}
static fromSerializable({ data, renderingIntent, groupState }) {
return new OptionalContentConfig(data, renderingIntent, groupState);
}
}
export { OptionalContentConfig };