mirror of
https://github.com/arsvendg/Stirling-PDF.git
synced 2026-07-16 19:33:11 +02:00
Viewer update and autozoom (#4800)
Updated embed PDF Added Autozoom Added file page size to metadata for use in calculations for autozoom, will come in handy elsewhere. --------- Co-authored-by: James Brunton <[email protected]>
This commit is contained in:
Reece Browne
co-authored by
James Brunton
James Brunton
parent
3cf89b6ede
commit
ce6b2460d8
@@ -0,0 +1,311 @@
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import { MutableRefObject } from 'react';
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import { SpreadMode } from '@embedpdf/plugin-spread/react';
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import {
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ViewerBridgeRegistry,
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ScrollState,
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ZoomState,
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} from '@app/contexts/viewer/viewerBridges';
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export interface ScrollActions {
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scrollToPage: (page: number) => void;
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scrollToFirstPage: () => void;
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scrollToPreviousPage: () => void;
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scrollToNextPage: () => void;
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scrollToLastPage: () => void;
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}
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export interface ZoomActions {
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zoomIn: () => void;
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zoomOut: () => void;
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toggleMarqueeZoom: () => void;
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requestZoom: (level: number) => void;
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}
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export interface PanActions {
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enablePan: () => void;
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disablePan: () => void;
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togglePan: () => void;
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}
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export interface SelectionActions {
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copyToClipboard: () => void;
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getSelectedText: () => string;
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getFormattedSelection: () => any;
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}
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export interface SpreadActions {
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setSpreadMode: (mode: SpreadMode) => void;
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getSpreadMode: () => SpreadMode | null;
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toggleSpreadMode: () => void;
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}
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export interface RotationActions {
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rotateForward: () => void;
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rotateBackward: () => void;
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setRotation: (rotation: number) => void;
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getRotation: () => number;
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}
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export interface SearchActions {
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search: (query: string) => Promise<any> | undefined;
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next: () => void;
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previous: () => void;
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clear: () => void;
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}
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export interface ExportActions {
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download: () => void;
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saveAsCopy: () => Promise<ArrayBuffer | null>;
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}
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export interface ViewerActionsBundle {
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scrollActions: ScrollActions;
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zoomActions: ZoomActions;
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panActions: PanActions;
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selectionActions: SelectionActions;
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spreadActions: SpreadActions;
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rotationActions: RotationActions;
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searchActions: SearchActions;
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exportActions: ExportActions;
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}
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interface ViewerActionDependencies {
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registry: MutableRefObject<ViewerBridgeRegistry>;
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getScrollState: () => ScrollState;
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getZoomState: () => ZoomState;
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triggerImmediateZoomUpdate: (percent: number) => void;
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}
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export function createViewerActions({
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registry,
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getScrollState,
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getZoomState,
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triggerImmediateZoomUpdate,
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}: ViewerActionDependencies): ViewerActionsBundle {
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const scrollActions: ScrollActions = {
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scrollToPage: (page: number) => {
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const api = registry.current.scroll?.api;
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if (api?.scrollToPage) {
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api.scrollToPage({ pageNumber: page });
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}
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},
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scrollToFirstPage: () => {
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const api = registry.current.scroll?.api;
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if (api?.scrollToPage) {
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api.scrollToPage({ pageNumber: 1 });
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}
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},
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scrollToPreviousPage: () => {
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const api = registry.current.scroll?.api;
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if (api?.scrollToPreviousPage) {
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api.scrollToPreviousPage();
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}
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},
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scrollToNextPage: () => {
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const api = registry.current.scroll?.api;
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if (api?.scrollToNextPage) {
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api.scrollToNextPage();
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}
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},
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scrollToLastPage: () => {
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const api = registry.current.scroll?.api;
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const state = getScrollState();
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if (api?.scrollToPage && state.totalPages > 0) {
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api.scrollToPage({ pageNumber: state.totalPages });
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}
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},
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};
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const zoomActions: ZoomActions = {
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zoomIn: () => {
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const api = registry.current.zoom?.api;
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if (api?.zoomIn) {
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const currentState = getZoomState();
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const newPercent = Math.min(
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Math.round(currentState.zoomPercent * 1.2),
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300
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);
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triggerImmediateZoomUpdate(newPercent);
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api.zoomIn();
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}
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},
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zoomOut: () => {
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const api = registry.current.zoom?.api;
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if (api?.zoomOut) {
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const currentState = getZoomState();
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const newPercent = Math.max(
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Math.round(currentState.zoomPercent / 1.2),
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20
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);
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triggerImmediateZoomUpdate(newPercent);
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api.zoomOut();
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}
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},
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toggleMarqueeZoom: () => {
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const api = registry.current.zoom?.api;
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if (api?.toggleMarqueeZoom) {
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api.toggleMarqueeZoom();
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}
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},
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requestZoom: (level: number) => {
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const api = registry.current.zoom?.api;
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if (api?.requestZoom) {
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api.requestZoom(level);
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}
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},
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};
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const panActions: PanActions = {
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enablePan: () => {
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const api = registry.current.pan?.api;
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if (api?.enable) {
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api.enable();
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}
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},
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disablePan: () => {
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const api = registry.current.pan?.api;
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if (api?.disable) {
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api.disable();
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}
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},
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togglePan: () => {
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const api = registry.current.pan?.api;
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if (api?.toggle) {
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api.toggle();
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}
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},
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};
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const selectionActions: SelectionActions = {
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copyToClipboard: () => {
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const api = registry.current.selection?.api;
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if (api?.copyToClipboard) {
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api.copyToClipboard();
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}
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},
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getSelectedText: () => {
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const api = registry.current.selection?.api;
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if (api?.getSelectedText) {
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return api.getSelectedText() ?? '';
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}
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return '';
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},
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getFormattedSelection: () => {
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const api = registry.current.selection?.api;
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if (api?.getFormattedSelection) {
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return api.getFormattedSelection();
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}
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return null;
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},
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};
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const spreadActions: SpreadActions = {
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setSpreadMode: (mode: SpreadMode) => {
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const api = registry.current.spread?.api;
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if (api?.setSpreadMode) {
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api.setSpreadMode(mode);
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}
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},
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getSpreadMode: () => {
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const api = registry.current.spread?.api;
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if (api?.getSpreadMode) {
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return api.getSpreadMode();
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}
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return null;
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},
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toggleSpreadMode: () => {
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const api = registry.current.spread?.api;
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if (api?.toggleSpreadMode) {
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api.toggleSpreadMode();
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}
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},
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};
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const rotationActions: RotationActions = {
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rotateForward: () => {
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const api = registry.current.rotation?.api;
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if (api?.rotateForward) {
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api.rotateForward();
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}
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},
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rotateBackward: () => {
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const api = registry.current.rotation?.api;
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if (api?.rotateBackward) {
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api.rotateBackward();
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}
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},
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setRotation: (rotation: number) => {
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const api = registry.current.rotation?.api;
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if (api?.setRotation) {
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api.setRotation(rotation);
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}
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},
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getRotation: () => {
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const api = registry.current.rotation?.api;
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if (api?.getRotation) {
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return api.getRotation();
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}
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return 0;
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},
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};
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const searchActions: SearchActions = {
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search: (query: string) => {
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const api = registry.current.search?.api;
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if (api?.search) {
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return api.search(query);
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}
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},
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next: () => {
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const api = registry.current.search?.api;
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if (api?.next) {
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api.next();
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}
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},
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previous: () => {
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const api = registry.current.search?.api;
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if (api?.previous) {
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api.previous();
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}
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},
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clear: () => {
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const api = registry.current.search?.api;
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if (api?.clear) {
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api.clear();
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}
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},
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};
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const exportActions: ExportActions = {
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download: () => {
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const api = registry.current.export?.api;
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if (api?.download) {
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api.download();
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}
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},
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saveAsCopy: async () => {
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const api = registry.current.export?.api;
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if (api?.saveAsCopy) {
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try {
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const result = api.saveAsCopy();
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return await result.toPromise();
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} catch (error) {
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console.error('Failed to save PDF copy:', error);
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return null;
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}
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}
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return null;
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},
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};
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return {
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scrollActions,
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zoomActions,
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panActions,
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selectionActions,
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spreadActions,
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rotationActions,
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searchActions,
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exportActions,
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};
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}
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@@ -0,0 +1,174 @@
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import { SpreadMode } from '@embedpdf/plugin-spread/react';
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export interface ScrollAPIWrapper {
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scrollToPage: (params: { pageNumber: number }) => void;
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scrollToPreviousPage: () => void;
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scrollToNextPage: () => void;
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}
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export interface ZoomAPIWrapper {
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zoomIn: () => void;
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zoomOut: () => void;
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toggleMarqueeZoom: () => void;
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requestZoom: (level: number) => void;
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}
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export interface PanAPIWrapper {
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enable: () => void;
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disable: () => void;
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toggle: () => void;
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makePanDefault: () => void;
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}
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export interface SelectionAPIWrapper {
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copyToClipboard: () => void;
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getSelectedText: () => string | any;
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getFormattedSelection: () => any;
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}
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export interface SpreadAPIWrapper {
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setSpreadMode: (mode: SpreadMode) => void;
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getSpreadMode: () => SpreadMode | null;
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toggleSpreadMode: () => void;
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SpreadMode: typeof SpreadMode;
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}
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export interface RotationAPIWrapper {
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rotateForward: () => void;
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rotateBackward: () => void;
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setRotation: (rotation: number) => void;
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getRotation: () => number;
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}
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export interface SearchAPIWrapper {
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search: (query: string) => Promise<any>;
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clear: () => void;
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next: () => void;
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previous: () => void;
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goToResult: (index: number) => void;
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}
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export interface ThumbnailAPIWrapper {
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renderThumb: (pageIndex: number, scale: number) => {
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toPromise: () => Promise<Blob>;
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};
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}
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export interface ExportAPIWrapper {
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download: () => void;
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saveAsCopy: () => { toPromise: () => Promise<ArrayBuffer> };
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}
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export interface ScrollState {
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currentPage: number;
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totalPages: number;
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}
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export interface ZoomState {
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currentZoom: number;
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zoomPercent: number;
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}
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export interface PanState {
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isPanning: boolean;
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}
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export interface SelectionState {
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hasSelection: boolean;
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}
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export interface SpreadState {
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spreadMode: SpreadMode;
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isDualPage: boolean;
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}
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export interface RotationState {
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rotation: number;
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}
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export interface SearchResult {
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pageIndex: number;
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rects: Array<{
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origin: { x: number; y: number };
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size: { width: number; height: number };
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}>;
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}
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export interface SearchState {
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results: SearchResult[] | null;
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activeIndex: number;
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}
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export interface ExportState {
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canExport: boolean;
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}
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export interface BridgeRef<TState = unknown, TApi = unknown> {
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state: TState;
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api: TApi;
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}
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export interface BridgeStateMap {
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scroll: ScrollState;
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zoom: ZoomState;
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pan: PanState;
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selection: SelectionState;
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spread: SpreadState;
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rotation: RotationState;
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search: SearchState;
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thumbnail: unknown;
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export: ExportState;
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}
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export interface BridgeApiMap {
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scroll: ScrollAPIWrapper;
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zoom: ZoomAPIWrapper;
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pan: PanAPIWrapper;
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selection: SelectionAPIWrapper;
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spread: SpreadAPIWrapper;
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rotation: RotationAPIWrapper;
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search: SearchAPIWrapper;
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thumbnail: ThumbnailAPIWrapper;
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export: ExportAPIWrapper;
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}
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export type BridgeKey = keyof BridgeStateMap;
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export type ViewerBridgeRegistry = {
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[K in BridgeKey]: BridgeRef<BridgeStateMap[K], BridgeApiMap[K]> | null;
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};
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export const createBridgeRegistry = (): ViewerBridgeRegistry => ({
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scroll: null,
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zoom: null,
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pan: null,
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selection: null,
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spread: null,
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rotation: null,
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search: null,
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thumbnail: null,
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export: null,
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});
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export function registerBridge<K extends BridgeKey>(
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registry: ViewerBridgeRegistry,
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type: K,
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ref: BridgeRef<BridgeStateMap[K], BridgeApiMap[K]>
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): void {
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registry[type] = ref as ViewerBridgeRegistry[K];
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}
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export function getBridgeState<K extends BridgeKey>(
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registry: ViewerBridgeRegistry,
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type: K,
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fallback: BridgeStateMap[K]
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): BridgeStateMap[K] {
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return registry[type]?.state ?? fallback;
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}
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export function getBridgeApi<K extends BridgeKey>(
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registry: ViewerBridgeRegistry,
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type: K
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): BridgeApiMap[K] | null {
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return registry[type]?.api ?? null;
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}
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Reference in New Issue
Block a user