mirror of
https://github.com/Frooodle/Stirling-PDF.git
synced 2025-11-16 01:21:16 +01:00
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 <jbrunton96@gmail.com>
This commit is contained in:
Reece Browne
GitHub
parent
3cf89b6ede
commit
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84
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|
||||
"dependencies": {
|
||||
"scheduler": "^0.27.0"
|
||||
},
|
||||
@ -13321,9 +13295,9 @@
|
||||
}
|
||||
},
|
||||
"node_modules/svelte": {
|
||||
"version": "5.42.3",
|
||||
"resolved": "https://registry.npmjs.org/svelte/-/svelte-5.42.3.tgz",
|
||||
"integrity": "sha512-+8dUmdJGvKSWEfbAgIaUmpD97s1bBAGxEf6s7wQonk+HNdMmrBZtpStzRypRqrYBFUmmhaUgBHUjraE8gLqWAw==",
|
||||
"version": "5.43.0",
|
||||
"resolved": "https://registry.npmjs.org/svelte/-/svelte-5.43.0.tgz",
|
||||
"integrity": "sha512-1sRxVbgJAB+UGzwkc3GUoiBSzEOf0jqzccMaVoI2+pI+kASUe9qubslxace8+Mzhqw19k4syTA5niCIJwfXpOA==",
|
||||
"license": "MIT",
|
||||
"peer": true,
|
||||
"dependencies": {
|
||||
@ -13557,7 +13531,6 @@
|
||||
"integrity": "sha512-5gTmgEY/sqK6gFXLIsQNH19lWb4ebPDLA4SdLP7dsWkIXHWlG66oPuVvXSGFPppYZz8ZDZq0dYYrbHfBCVUb1Q==",
|
||||
"dev": true,
|
||||
"license": "MIT",
|
||||
"peer": true,
|
||||
"engines": {
|
||||
"node": ">=12"
|
||||
},
|
||||
@ -13859,7 +13832,6 @@
|
||||
"integrity": "sha512-jl1vZzPDinLr9eUt3J/t7V6FgNEw9QjvBPdysz9KfQDD41fQrC2Y4vKQdiaUpFT4bXlb1RHhLpp8wtm6M5TgSw==",
|
||||
"devOptional": true,
|
||||
"license": "Apache-2.0",
|
||||
"peer": true,
|
||||
"bin": {
|
||||
"tsc": "bin/tsc",
|
||||
"tsserver": "bin/tsserver"
|
||||
@ -13942,7 +13914,6 @@
|
||||
"dev": true,
|
||||
"hasInstallScript": true,
|
||||
"license": "MIT",
|
||||
"peer": true,
|
||||
"dependencies": {
|
||||
"napi-postinstall": "^0.3.0"
|
||||
},
|
||||
@ -14147,7 +14118,6 @@
|
||||
"integrity": "sha512-ZWyE8YXEXqJrrSLvYgrRP7p62OziLW7xI5HYGWFzOvupfAlrLvURSzv/FyGyy0eidogEM3ujU+kUG1zuHgb6Ug==",
|
||||
"dev": true,
|
||||
"license": "MIT",
|
||||
"peer": true,
|
||||
"dependencies": {
|
||||
"esbuild": "^0.25.0",
|
||||
"fdir": "^6.5.0",
|
||||
@ -14299,7 +14269,6 @@
|
||||
"integrity": "sha512-5gTmgEY/sqK6gFXLIsQNH19lWb4ebPDLA4SdLP7dsWkIXHWlG66oPuVvXSGFPppYZz8ZDZq0dYYrbHfBCVUb1Q==",
|
||||
"dev": true,
|
||||
"license": "MIT",
|
||||
"peer": true,
|
||||
"engines": {
|
||||
"node": ">=12"
|
||||
},
|
||||
@ -14313,7 +14282,6 @@
|
||||
"integrity": "sha512-LUCP5ev3GURDysTWiP47wRRUpLKMOfPh+yKTx3kVIEiu5KOMeqzpnYNsKyOoVrULivR8tLcks4+lga33Whn90A==",
|
||||
"dev": true,
|
||||
"license": "MIT",
|
||||
"peer": true,
|
||||
"dependencies": {
|
||||
"@types/chai": "^5.2.2",
|
||||
"@vitest/expect": "3.2.4",
|
||||
|
||||
@ -6,24 +6,24 @@
|
||||
"proxy": "http://localhost:8080",
|
||||
"dependencies": {
|
||||
"@atlaskit/pragmatic-drag-and-drop": "^1.7.7",
|
||||
"@embedpdf/core": "^1.3.14",
|
||||
"@embedpdf/engines": "^1.3.14",
|
||||
"@embedpdf/plugin-annotation": "^1.3.14",
|
||||
"@embedpdf/plugin-export": "^1.3.14",
|
||||
"@embedpdf/plugin-history": "^1.3.14",
|
||||
"@embedpdf/plugin-interaction-manager": "^1.3.14",
|
||||
"@embedpdf/plugin-loader": "^1.3.14",
|
||||
"@embedpdf/plugin-pan": "^1.3.14",
|
||||
"@embedpdf/plugin-render": "^1.3.14",
|
||||
"@embedpdf/plugin-rotate": "^1.3.14",
|
||||
"@embedpdf/plugin-scroll": "^1.3.14",
|
||||
"@embedpdf/plugin-search": "^1.3.14",
|
||||
"@embedpdf/plugin-selection": "^1.3.14",
|
||||
"@embedpdf/plugin-spread": "^1.3.14",
|
||||
"@embedpdf/plugin-thumbnail": "^1.3.14",
|
||||
"@embedpdf/plugin-tiling": "^1.3.14",
|
||||
"@embedpdf/plugin-viewport": "^1.3.14",
|
||||
"@embedpdf/plugin-zoom": "^1.3.14",
|
||||
"@embedpdf/core": "^1.4.1",
|
||||
"@embedpdf/engines": "^1.4.1",
|
||||
"@embedpdf/plugin-annotation": "^1.4.1",
|
||||
"@embedpdf/plugin-export": "^1.4.1",
|
||||
"@embedpdf/plugin-history": "^1.4.1",
|
||||
"@embedpdf/plugin-interaction-manager": "^1.4.1",
|
||||
"@embedpdf/plugin-loader": "^1.4.1",
|
||||
"@embedpdf/plugin-pan": "^1.4.1",
|
||||
"@embedpdf/plugin-render": "^1.4.1",
|
||||
"@embedpdf/plugin-rotate": "^1.4.1",
|
||||
"@embedpdf/plugin-scroll": "^1.4.1",
|
||||
"@embedpdf/plugin-search": "^1.4.1",
|
||||
"@embedpdf/plugin-selection": "^1.4.1",
|
||||
"@embedpdf/plugin-spread": "^1.4.1",
|
||||
"@embedpdf/plugin-thumbnail": "^1.4.1",
|
||||
"@embedpdf/plugin-tiling": "^1.4.1",
|
||||
"@embedpdf/plugin-viewport": "^1.4.1",
|
||||
"@embedpdf/plugin-zoom": "^1.4.1",
|
||||
"@emotion/react": "^11.14.0",
|
||||
"@tauri-apps/api": "^2.5.0",
|
||||
"@tauri-apps/plugin-fs": "^2.4.0",
|
||||
|
||||
@ -35,14 +35,12 @@ const EmbedPdfViewerContent = ({
|
||||
const viewerRef = React.useRef<HTMLDivElement>(null);
|
||||
const [isViewerHovered, setIsViewerHovered] = React.useState(false);
|
||||
|
||||
const { isThumbnailSidebarVisible, toggleThumbnailSidebar, zoomActions, spreadActions, panActions: _panActions, rotationActions: _rotationActions, getScrollState, getZoomState, getSpreadState, getRotationState, isAnnotationMode, isAnnotationsVisible, exportActions } = useViewer();
|
||||
const { isThumbnailSidebarVisible, toggleThumbnailSidebar, zoomActions, panActions: _panActions, rotationActions: _rotationActions, getScrollState, getRotationState, isAnnotationMode, isAnnotationsVisible, exportActions } = useViewer();
|
||||
|
||||
// Register viewer right-rail buttons
|
||||
useViewerRightRailButtons();
|
||||
|
||||
const scrollState = getScrollState();
|
||||
const zoomState = getZoomState();
|
||||
const spreadState = getSpreadState();
|
||||
const rotationState = getRotationState();
|
||||
|
||||
// Track initial rotation to detect changes
|
||||
@ -320,15 +318,6 @@ const EmbedPdfViewerContent = ({
|
||||
<PdfViewerToolbar
|
||||
currentPage={scrollState.currentPage}
|
||||
totalPages={scrollState.totalPages}
|
||||
onPageChange={(page) => {
|
||||
// Page navigation handled by scrollActions
|
||||
console.log('Navigate to page:', page);
|
||||
}}
|
||||
dualPage={spreadState.isDualPage}
|
||||
onDualPageToggle={() => {
|
||||
spreadActions.toggleSpreadMode();
|
||||
}}
|
||||
currentZoom={zoomState.zoomPercent}
|
||||
/>
|
||||
</div>
|
||||
</div>
|
||||
|
||||
@ -9,7 +9,7 @@ import { Viewport, ViewportPluginPackage } from '@embedpdf/plugin-viewport/react
|
||||
import { Scroller, ScrollPluginPackage, ScrollStrategy } from '@embedpdf/plugin-scroll/react';
|
||||
import { LoaderPluginPackage } from '@embedpdf/plugin-loader/react';
|
||||
import { RenderPluginPackage } from '@embedpdf/plugin-render/react';
|
||||
import { ZoomPluginPackage } from '@embedpdf/plugin-zoom/react';
|
||||
import { ZoomPluginPackage, ZoomMode } from '@embedpdf/plugin-zoom/react';
|
||||
import { InteractionManagerPluginPackage, PagePointerProvider, GlobalPointerProvider } from '@embedpdf/plugin-interaction-manager/react';
|
||||
import { SelectionLayer, SelectionPluginPackage } from '@embedpdf/plugin-selection/react';
|
||||
import { TilingLayer, TilingPluginPackage } from '@embedpdf/plugin-tiling/react';
|
||||
@ -115,9 +115,9 @@ export function LocalEmbedPDF({ file, url, enableAnnotations = false, onSignatur
|
||||
|
||||
// Register zoom plugin with configuration
|
||||
createPluginRegistration(ZoomPluginPackage, {
|
||||
defaultZoomLevel: 1.4, // Start at 140% zoom for better readability
|
||||
defaultZoomLevel: ZoomMode.FitWidth, // Start with FitWidth, will be adjusted in ZoomAPIBridge
|
||||
minZoom: 0.2,
|
||||
maxZoom: 3.0,
|
||||
maxZoom: 5.0,
|
||||
}),
|
||||
|
||||
// Register tiling plugin (depends on Render, Scroll, Viewport)
|
||||
@ -287,6 +287,8 @@ export function LocalEmbedPDF({ file, url, enableAnnotations = false, onSignatur
|
||||
minHeight: 0,
|
||||
minWidth: 0,
|
||||
contain: 'strict',
|
||||
display: 'flex',
|
||||
justifyContent: 'center',
|
||||
}}
|
||||
>
|
||||
<Scroller
|
||||
@ -295,6 +297,9 @@ export function LocalEmbedPDF({ file, url, enableAnnotations = false, onSignatur
|
||||
<Rotate key={document?.id} pageSize={{ width, height }}>
|
||||
<PagePointerProvider pageIndex={pageIndex} pageWidth={width} pageHeight={height} scale={scale} rotation={rotation}>
|
||||
<div
|
||||
data-page-index={pageIndex}
|
||||
data-page-width={width}
|
||||
data-page-height={height}
|
||||
style={{
|
||||
width,
|
||||
height,
|
||||
|
||||
@ -14,30 +14,32 @@ interface PdfViewerToolbarProps {
|
||||
currentPage?: number;
|
||||
totalPages?: number;
|
||||
onPageChange?: (page: number) => void;
|
||||
|
||||
// Dual page toggle (placeholder for now)
|
||||
dualPage?: boolean;
|
||||
onDualPageToggle?: () => void;
|
||||
|
||||
// Zoom controls (connected via ViewerContext)
|
||||
currentZoom?: number;
|
||||
}
|
||||
|
||||
export function PdfViewerToolbar({
|
||||
currentPage = 1,
|
||||
totalPages: _totalPages = 1,
|
||||
onPageChange,
|
||||
dualPage = false,
|
||||
onDualPageToggle,
|
||||
currentZoom: _currentZoom = 100,
|
||||
}: PdfViewerToolbarProps) {
|
||||
const { t } = useTranslation();
|
||||
const { getScrollState, getZoomState, scrollActions, zoomActions, registerImmediateZoomUpdate, registerImmediateScrollUpdate } = useViewer();
|
||||
const {
|
||||
getScrollState,
|
||||
getZoomState,
|
||||
getSpreadState,
|
||||
scrollActions,
|
||||
zoomActions,
|
||||
spreadActions,
|
||||
registerImmediateZoomUpdate,
|
||||
registerImmediateScrollUpdate,
|
||||
registerImmediateSpreadUpdate,
|
||||
} = useViewer();
|
||||
|
||||
const scrollState = getScrollState();
|
||||
const zoomState = getZoomState();
|
||||
const spreadState = getSpreadState();
|
||||
const [pageInput, setPageInput] = useState(scrollState.currentPage || currentPage);
|
||||
const [displayZoomPercent, setDisplayZoomPercent] = useState(zoomState.zoomPercent || 140);
|
||||
const [isDualPageActive, setIsDualPageActive] = useState(spreadState.isDualPage);
|
||||
|
||||
// Register for immediate scroll updates and sync with actual scroll state
|
||||
useEffect(() => {
|
||||
@ -53,6 +55,13 @@ export function PdfViewerToolbar({
|
||||
setDisplayZoomPercent(zoomState.zoomPercent || 140);
|
||||
}, [zoomState.zoomPercent, registerImmediateZoomUpdate]);
|
||||
|
||||
useEffect(() => {
|
||||
registerImmediateSpreadUpdate((_mode, isDual) => {
|
||||
setIsDualPageActive(isDual);
|
||||
});
|
||||
setIsDualPageActive(spreadState.isDualPage);
|
||||
}, [registerImmediateSpreadUpdate, spreadState.isDualPage]);
|
||||
|
||||
const handleZoomOut = () => {
|
||||
zoomActions.zoomOut();
|
||||
};
|
||||
@ -69,6 +78,10 @@ export function PdfViewerToolbar({
|
||||
setPageInput(page);
|
||||
};
|
||||
|
||||
const handleDualPageToggle = () => {
|
||||
spreadActions.toggleSpreadMode();
|
||||
};
|
||||
|
||||
const handleFirstPage = () => {
|
||||
scrollActions.scrollToFirstPage();
|
||||
};
|
||||
@ -188,15 +201,19 @@ export function PdfViewerToolbar({
|
||||
|
||||
{/* Dual Page Toggle */}
|
||||
<Button
|
||||
variant={dualPage ? "filled" : "light"}
|
||||
variant={isDualPageActive ? "filled" : "light"}
|
||||
color="blue"
|
||||
size="md"
|
||||
radius="xl"
|
||||
onClick={onDualPageToggle}
|
||||
onClick={handleDualPageToggle}
|
||||
style={{ minWidth: '2.5rem' }}
|
||||
title={dualPage ? t("viewer.singlePageView", "Single Page View") : t("viewer.dualPageView", "Dual Page View")}
|
||||
title={
|
||||
isDualPageActive
|
||||
? t("viewer.singlePageView", "Single Page View")
|
||||
: t("viewer.dualPageView", "Dual Page View")
|
||||
}
|
||||
>
|
||||
{dualPage ? <DescriptionIcon fontSize="small" /> : <ViewWeekIcon fontSize="small" />}
|
||||
{isDualPageActive ? <DescriptionIcon fontSize="small" /> : <ViewWeekIcon fontSize="small" />}
|
||||
</Button>
|
||||
|
||||
{/* Zoom Controls */}
|
||||
|
||||
@ -7,33 +7,36 @@ import { useViewer } from '@app/contexts/ViewerContext';
|
||||
*/
|
||||
export function SpreadAPIBridge() {
|
||||
const { provides: spread, spreadMode } = useSpread();
|
||||
const { registerBridge } = useViewer();
|
||||
const { registerBridge, triggerImmediateSpreadUpdate } = useViewer();
|
||||
|
||||
useEffect(() => {
|
||||
if (spread) {
|
||||
const newState = {
|
||||
spreadMode,
|
||||
isDualPage: spreadMode !== SpreadMode.None
|
||||
};
|
||||
|
||||
// Register this bridge with ViewerContext
|
||||
registerBridge('spread', {
|
||||
state: newState,
|
||||
api: {
|
||||
setSpreadMode: (mode: SpreadMode) => {
|
||||
spread.setSpreadMode(mode);
|
||||
},
|
||||
getSpreadMode: () => spread.getSpreadMode(),
|
||||
toggleSpreadMode: () => {
|
||||
// Toggle between None and Odd (most common dual-page mode)
|
||||
const newMode = spreadMode === SpreadMode.None ? SpreadMode.Odd : SpreadMode.None;
|
||||
spread.setSpreadMode(newMode);
|
||||
},
|
||||
SpreadMode: SpreadMode, // Export enum for reference
|
||||
}
|
||||
});
|
||||
if (!spread) {
|
||||
return;
|
||||
}
|
||||
}, [spread, spreadMode]);
|
||||
|
||||
const newState = {
|
||||
spreadMode,
|
||||
isDualPage: spreadMode !== SpreadMode.None,
|
||||
};
|
||||
|
||||
registerBridge('spread', {
|
||||
state: newState,
|
||||
api: {
|
||||
setSpreadMode: (mode: SpreadMode) => {
|
||||
spread.setSpreadMode(mode);
|
||||
},
|
||||
getSpreadMode: () => spread.getSpreadMode(),
|
||||
toggleSpreadMode: () => {
|
||||
const current = spread.getSpreadMode();
|
||||
const nextMode = current === SpreadMode.None ? SpreadMode.Odd : SpreadMode.None;
|
||||
spread.setSpreadMode(nextMode);
|
||||
},
|
||||
SpreadMode,
|
||||
},
|
||||
});
|
||||
|
||||
triggerImmediateSpreadUpdate(spreadMode);
|
||||
}, [spread, spreadMode, registerBridge, triggerImmediateSpreadUpdate]);
|
||||
|
||||
return null;
|
||||
}
|
||||
|
||||
@ -1,68 +1,246 @@
|
||||
import { useEffect, useRef } from 'react';
|
||||
import { useZoom } from '@embedpdf/plugin-zoom/react';
|
||||
import { useCallback, useEffect, useRef, useState } from 'react';
|
||||
import { useZoom, ZoomMode } from '@embedpdf/plugin-zoom/react';
|
||||
import { useSpread, SpreadMode } from '@embedpdf/plugin-spread/react';
|
||||
import { useViewer } from '@app/contexts/ViewerContext';
|
||||
import { useFileState } from '@app/contexts/FileContext';
|
||||
import {
|
||||
determineAutoZoom,
|
||||
DEFAULT_FALLBACK_ZOOM,
|
||||
DEFAULT_VISIBILITY_THRESHOLD,
|
||||
measureRenderedPageRect,
|
||||
useFitWidthResize,
|
||||
ZoomViewport,
|
||||
} from '@app/utils/viewerZoom';
|
||||
import { getFirstPageAspectRatioFromStub } from '@app/utils/pageMetadata';
|
||||
|
||||
/**
|
||||
* Component that runs inside EmbedPDF context and manages zoom state locally
|
||||
*/
|
||||
export function ZoomAPIBridge() {
|
||||
const { provides: zoom, state: zoomState } = useZoom();
|
||||
const { spreadMode } = useSpread();
|
||||
const { registerBridge, triggerImmediateZoomUpdate } = useViewer();
|
||||
const hasSetInitialZoom = useRef(false);
|
||||
const { selectors } = useFileState();
|
||||
|
||||
const hasSetInitialZoom = useRef(false);
|
||||
const lastSpreadMode = useRef(spreadMode ?? SpreadMode.None);
|
||||
const lastFileId = useRef<string | undefined>(undefined);
|
||||
const lastAppliedZoom = useRef<number | null>(null);
|
||||
const [autoZoomTick, setAutoZoomTick] = useState(0);
|
||||
|
||||
const scheduleAutoZoom = useCallback(() => {
|
||||
hasSetInitialZoom.current = false;
|
||||
lastAppliedZoom.current = null;
|
||||
setAutoZoomTick((tick) => tick + 1);
|
||||
}, []);
|
||||
|
||||
const requestFitWidth = useCallback(() => {
|
||||
if (zoom) {
|
||||
zoom.requestZoom(ZoomMode.FitWidth, { vx: 0.5, vy: 0 });
|
||||
}
|
||||
}, [zoom]);
|
||||
|
||||
const stubs = selectors.getStirlingFileStubs();
|
||||
const firstFileStub = stubs[0];
|
||||
const firstFileId = firstFileStub?.id;
|
||||
|
||||
// Set initial zoom once when plugin is ready
|
||||
useEffect(() => {
|
||||
if (!zoom || hasSetInitialZoom.current) {
|
||||
if (!firstFileId) {
|
||||
hasSetInitialZoom.current = false;
|
||||
lastFileId.current = undefined;
|
||||
lastAppliedZoom.current = null;
|
||||
return;
|
||||
}
|
||||
|
||||
let retryTimer: ReturnType<typeof setTimeout> | undefined;
|
||||
const attemptInitialZoom = () => {
|
||||
try {
|
||||
zoom.requestZoom(1.4);
|
||||
hasSetInitialZoom.current = true;
|
||||
} catch (error) {
|
||||
console.log('Zoom initialization delayed, viewport not ready:', error);
|
||||
retryTimer = setTimeout(() => {
|
||||
try {
|
||||
zoom.requestZoom(1.4);
|
||||
hasSetInitialZoom.current = true;
|
||||
} catch (retryError) {
|
||||
console.log('Zoom initialization failed:', retryError);
|
||||
}
|
||||
}, 200);
|
||||
}
|
||||
};
|
||||
|
||||
const timer = setTimeout(attemptInitialZoom, 50);
|
||||
|
||||
return () => {
|
||||
clearTimeout(timer);
|
||||
if (retryTimer) {
|
||||
clearTimeout(retryTimer);
|
||||
}
|
||||
};
|
||||
}, [zoom, zoomState]);
|
||||
if (firstFileId !== lastFileId.current) {
|
||||
lastFileId.current = firstFileId;
|
||||
scheduleAutoZoom();
|
||||
}
|
||||
}, [firstFileId, scheduleAutoZoom]);
|
||||
|
||||
useEffect(() => {
|
||||
if (zoom && zoomState) {
|
||||
// Update local state
|
||||
const currentZoomLevel = zoomState.currentZoomLevel ?? 1.4;
|
||||
const newState = {
|
||||
currentZoom: currentZoomLevel,
|
||||
zoomPercent: Math.round(currentZoomLevel * 100),
|
||||
};
|
||||
const currentSpreadMode = spreadMode ?? SpreadMode.None;
|
||||
if (currentSpreadMode !== lastSpreadMode.current) {
|
||||
lastSpreadMode.current = currentSpreadMode;
|
||||
|
||||
// Trigger immediate update for responsive UI
|
||||
triggerImmediateZoomUpdate(newState.zoomPercent);
|
||||
|
||||
// Register this bridge with ViewerContext
|
||||
registerBridge('zoom', {
|
||||
state: newState,
|
||||
api: zoom
|
||||
});
|
||||
const hadTrackedAutoZoom = lastAppliedZoom.current !== null;
|
||||
const zoomLevel = zoomState?.zoomLevel;
|
||||
if (
|
||||
zoomLevel === ZoomMode.FitWidth ||
|
||||
zoomLevel === ZoomMode.Automatic ||
|
||||
hadTrackedAutoZoom
|
||||
) {
|
||||
requestFitWidth();
|
||||
scheduleAutoZoom();
|
||||
}
|
||||
}
|
||||
}, [zoom, zoomState]);
|
||||
}, [spreadMode, zoomState?.zoomLevel, scheduleAutoZoom, requestFitWidth]);
|
||||
|
||||
const getViewportSnapshot = useCallback((): ZoomViewport | null => {
|
||||
if (!zoomState || typeof zoomState !== 'object') {
|
||||
return null;
|
||||
}
|
||||
|
||||
if ('viewport' in zoomState) {
|
||||
const candidate = (zoomState as { viewport?: ZoomViewport | null }).viewport;
|
||||
return candidate ?? null;
|
||||
}
|
||||
|
||||
return null;
|
||||
}, [zoomState]);
|
||||
|
||||
const isManagedZoom =
|
||||
!!zoom &&
|
||||
(zoomState?.zoomLevel === ZoomMode.FitWidth ||
|
||||
zoomState?.zoomLevel === ZoomMode.Automatic ||
|
||||
lastAppliedZoom.current !== null);
|
||||
|
||||
useFitWidthResize({
|
||||
isManaged: isManagedZoom,
|
||||
requestFitWidth,
|
||||
onDebouncedResize: scheduleAutoZoom,
|
||||
});
|
||||
|
||||
useEffect(() => {
|
||||
if (!zoom || !zoomState) {
|
||||
return;
|
||||
}
|
||||
|
||||
if (!firstFileId) {
|
||||
return;
|
||||
}
|
||||
|
||||
if (hasSetInitialZoom.current) {
|
||||
return;
|
||||
}
|
||||
|
||||
if (zoomState.zoomLevel !== ZoomMode.FitWidth) {
|
||||
if (zoomState.zoomLevel === ZoomMode.Automatic) {
|
||||
requestFitWidth();
|
||||
}
|
||||
return;
|
||||
}
|
||||
|
||||
const fitWidthZoom = zoomState.currentZoomLevel;
|
||||
if (!fitWidthZoom || fitWidthZoom <= 0) {
|
||||
return;
|
||||
}
|
||||
|
||||
const applyTrackedZoom = (level: number | ZoomMode, effectiveZoom: number) => {
|
||||
zoom.requestZoom(level, { vx: 0.5, vy: 0 });
|
||||
lastAppliedZoom.current = effectiveZoom;
|
||||
triggerImmediateZoomUpdate(Math.round(effectiveZoom * 100));
|
||||
hasSetInitialZoom.current = true;
|
||||
};
|
||||
|
||||
let cancelled = false;
|
||||
|
||||
const applyAutoZoom = async () => {
|
||||
const currentSpreadMode = spreadMode ?? SpreadMode.None;
|
||||
const pagesPerSpread = currentSpreadMode !== SpreadMode.None ? 2 : 1;
|
||||
const metadataAspectRatio = getFirstPageAspectRatioFromStub(firstFileStub);
|
||||
|
||||
const viewport = getViewportSnapshot();
|
||||
|
||||
if (cancelled) {
|
||||
return;
|
||||
}
|
||||
|
||||
const metrics = viewport ?? {};
|
||||
const viewportWidth =
|
||||
metrics.clientWidth ?? metrics.width ?? window.innerWidth ?? 0;
|
||||
const viewportHeight =
|
||||
metrics.clientHeight ?? metrics.height ?? window.innerHeight ?? 0;
|
||||
|
||||
if (viewportWidth <= 0 || viewportHeight <= 0) {
|
||||
return;
|
||||
}
|
||||
|
||||
const pageRect = await measureRenderedPageRect({
|
||||
shouldCancel: () => cancelled,
|
||||
});
|
||||
if (cancelled) {
|
||||
return;
|
||||
}
|
||||
|
||||
const decision = determineAutoZoom({
|
||||
viewportWidth,
|
||||
viewportHeight,
|
||||
fitWidthZoom,
|
||||
pagesPerSpread,
|
||||
pageRect: pageRect
|
||||
? { width: pageRect.width, height: pageRect.height }
|
||||
: undefined,
|
||||
metadataAspectRatio: metadataAspectRatio ?? null,
|
||||
visibilityThreshold: DEFAULT_VISIBILITY_THRESHOLD,
|
||||
fallbackZoom: DEFAULT_FALLBACK_ZOOM,
|
||||
});
|
||||
|
||||
if (decision.type === 'fallback') {
|
||||
applyTrackedZoom(decision.zoom, decision.zoom);
|
||||
return;
|
||||
}
|
||||
|
||||
if (decision.type === 'fitWidth') {
|
||||
applyTrackedZoom(ZoomMode.FitWidth, fitWidthZoom);
|
||||
return;
|
||||
}
|
||||
|
||||
applyTrackedZoom(decision.zoom, decision.zoom);
|
||||
};
|
||||
|
||||
applyAutoZoom();
|
||||
|
||||
return () => {
|
||||
cancelled = true;
|
||||
};
|
||||
}, [
|
||||
zoom,
|
||||
zoomState,
|
||||
firstFileId,
|
||||
firstFileStub,
|
||||
requestFitWidth,
|
||||
getViewportSnapshot,
|
||||
autoZoomTick,
|
||||
spreadMode,
|
||||
triggerImmediateZoomUpdate,
|
||||
]);
|
||||
|
||||
useEffect(() => {
|
||||
if (!zoom) {
|
||||
return;
|
||||
}
|
||||
|
||||
const unsubscribe = zoom.onZoomChange((event: { newZoom?: number }) => {
|
||||
if (typeof event?.newZoom !== 'number') {
|
||||
return;
|
||||
}
|
||||
lastAppliedZoom.current = event.newZoom;
|
||||
triggerImmediateZoomUpdate(Math.round(event.newZoom * 100));
|
||||
});
|
||||
|
||||
return () => {
|
||||
unsubscribe();
|
||||
};
|
||||
}, [zoom, triggerImmediateZoomUpdate]);
|
||||
|
||||
useEffect(() => {
|
||||
if (!zoom || !zoomState) {
|
||||
return;
|
||||
}
|
||||
|
||||
const currentZoomLevel =
|
||||
lastAppliedZoom.current ?? zoomState.currentZoomLevel ?? 1;
|
||||
|
||||
const newState = {
|
||||
currentZoom: currentZoomLevel,
|
||||
zoomPercent: Math.round(currentZoomLevel * 100),
|
||||
};
|
||||
|
||||
triggerImmediateZoomUpdate(newState.zoomPercent);
|
||||
|
||||
registerBridge('zoom', {
|
||||
state: newState,
|
||||
api: zoom,
|
||||
});
|
||||
}, [zoom, zoomState, registerBridge, triggerImmediateZoomUpdate]);
|
||||
|
||||
return null;
|
||||
}
|
||||
|
||||
@ -1,112 +1,55 @@
|
||||
import React, { createContext, useContext, useState, ReactNode, useRef } from 'react';
|
||||
import { SpreadMode } from '@embedpdf/plugin-spread/react';
|
||||
import React, {
|
||||
createContext,
|
||||
useContext,
|
||||
useState,
|
||||
ReactNode,
|
||||
useRef,
|
||||
useCallback,
|
||||
} from 'react';
|
||||
import { useNavigation } from '@app/contexts/NavigationContext';
|
||||
import {
|
||||
createViewerActions,
|
||||
ScrollActions,
|
||||
ZoomActions,
|
||||
PanActions,
|
||||
SelectionActions,
|
||||
SpreadActions,
|
||||
RotationActions,
|
||||
SearchActions,
|
||||
ExportActions,
|
||||
} from '@app/contexts/viewer/viewerActions';
|
||||
import {
|
||||
BridgeRef,
|
||||
BridgeApiMap,
|
||||
BridgeStateMap,
|
||||
BridgeKey,
|
||||
ViewerBridgeRegistry,
|
||||
createBridgeRegistry,
|
||||
registerBridge as setBridgeRef,
|
||||
ScrollState,
|
||||
ZoomState,
|
||||
PanState,
|
||||
SelectionState,
|
||||
SpreadState,
|
||||
RotationState,
|
||||
SearchState,
|
||||
ExportState,
|
||||
ThumbnailAPIWrapper,
|
||||
} from '@app/contexts/viewer/viewerBridges';
|
||||
import { SpreadMode } from '@embedpdf/plugin-spread/react';
|
||||
|
||||
// Bridge API interfaces - these match what the bridges provide
|
||||
interface ScrollAPIWrapper {
|
||||
scrollToPage: (params: { pageNumber: number }) => void;
|
||||
scrollToPreviousPage: () => void;
|
||||
scrollToNextPage: () => void;
|
||||
}
|
||||
function useImmediateNotifier<Args extends unknown[]>() {
|
||||
const callbackRef = useRef<((...args: Args) => void) | null>(null);
|
||||
|
||||
interface ZoomAPIWrapper {
|
||||
zoomIn: () => void;
|
||||
zoomOut: () => void;
|
||||
toggleMarqueeZoom: () => void;
|
||||
requestZoom: (level: number) => void;
|
||||
}
|
||||
const register = useCallback((callback: (...args: Args) => void) => {
|
||||
callbackRef.current = callback;
|
||||
}, []);
|
||||
|
||||
interface PanAPIWrapper {
|
||||
enable: () => void;
|
||||
disable: () => void;
|
||||
toggle: () => void;
|
||||
}
|
||||
const trigger = useCallback((...args: Args) => {
|
||||
callbackRef.current?.(...args);
|
||||
}, []);
|
||||
|
||||
interface SelectionAPIWrapper {
|
||||
copyToClipboard: () => void;
|
||||
getSelectedText: () => string | any;
|
||||
getFormattedSelection: () => any;
|
||||
}
|
||||
|
||||
interface SpreadAPIWrapper {
|
||||
setSpreadMode: (mode: SpreadMode) => void;
|
||||
getSpreadMode: () => SpreadMode | null;
|
||||
toggleSpreadMode: () => void;
|
||||
}
|
||||
|
||||
interface RotationAPIWrapper {
|
||||
rotateForward: () => void;
|
||||
rotateBackward: () => void;
|
||||
setRotation: (rotation: number) => void;
|
||||
getRotation: () => number;
|
||||
}
|
||||
|
||||
interface SearchAPIWrapper {
|
||||
search: (query: string) => Promise<any>;
|
||||
clear: () => void;
|
||||
next: () => void;
|
||||
previous: () => void;
|
||||
}
|
||||
|
||||
interface ThumbnailAPIWrapper {
|
||||
renderThumb: (pageIndex: number, scale: number) => { toPromise: () => Promise<Blob> };
|
||||
}
|
||||
|
||||
interface ExportAPIWrapper {
|
||||
download: () => void;
|
||||
saveAsCopy: () => { toPromise: () => Promise<ArrayBuffer> };
|
||||
}
|
||||
|
||||
|
||||
// State interfaces - represent the shape of data from each bridge
|
||||
interface ScrollState {
|
||||
currentPage: number;
|
||||
totalPages: number;
|
||||
}
|
||||
|
||||
interface ZoomState {
|
||||
currentZoom: number;
|
||||
zoomPercent: number;
|
||||
}
|
||||
|
||||
interface PanState {
|
||||
isPanning: boolean;
|
||||
}
|
||||
|
||||
interface SelectionState {
|
||||
hasSelection: boolean;
|
||||
}
|
||||
|
||||
interface SpreadState {
|
||||
spreadMode: SpreadMode;
|
||||
isDualPage: boolean;
|
||||
}
|
||||
|
||||
interface RotationState {
|
||||
rotation: number;
|
||||
}
|
||||
|
||||
interface SearchResult {
|
||||
pageIndex: number;
|
||||
rects: Array<{
|
||||
origin: { x: number; y: number };
|
||||
size: { width: number; height: number };
|
||||
}>;
|
||||
}
|
||||
|
||||
interface SearchState {
|
||||
results: SearchResult[] | null;
|
||||
activeIndex: number;
|
||||
}
|
||||
|
||||
interface ExportState {
|
||||
canExport: boolean;
|
||||
}
|
||||
|
||||
// Bridge registration interface - bridges register with state and API
|
||||
interface BridgeRef<TState = unknown, TApi = unknown> {
|
||||
state: TState;
|
||||
api: TApi;
|
||||
return { register, trigger };
|
||||
}
|
||||
|
||||
/**
|
||||
@ -150,66 +93,28 @@ interface ViewerContextType {
|
||||
// Immediate update callbacks
|
||||
registerImmediateZoomUpdate: (callback: (percent: number) => void) => void;
|
||||
registerImmediateScrollUpdate: (callback: (currentPage: number, totalPages: number) => void) => void;
|
||||
registerImmediateSpreadUpdate: (callback: (mode: SpreadMode, isDualPage: boolean) => void) => void;
|
||||
|
||||
// Internal - for bridges to trigger immediate updates
|
||||
triggerImmediateScrollUpdate: (currentPage: number, totalPages: number) => void;
|
||||
triggerImmediateZoomUpdate: (zoomPercent: number) => void;
|
||||
triggerImmediateSpreadUpdate: (mode: SpreadMode, isDualPage?: boolean) => void;
|
||||
|
||||
// Action handlers - call EmbedPDF APIs directly
|
||||
scrollActions: {
|
||||
scrollToPage: (page: number) => void;
|
||||
scrollToFirstPage: () => void;
|
||||
scrollToPreviousPage: () => void;
|
||||
scrollToNextPage: () => void;
|
||||
scrollToLastPage: () => void;
|
||||
};
|
||||
|
||||
zoomActions: {
|
||||
zoomIn: () => void;
|
||||
zoomOut: () => void;
|
||||
toggleMarqueeZoom: () => void;
|
||||
requestZoom: (level: number) => void;
|
||||
};
|
||||
|
||||
panActions: {
|
||||
enablePan: () => void;
|
||||
disablePan: () => void;
|
||||
togglePan: () => void;
|
||||
};
|
||||
|
||||
selectionActions: {
|
||||
copyToClipboard: () => void;
|
||||
getSelectedText: () => string;
|
||||
getFormattedSelection: () => unknown;
|
||||
};
|
||||
|
||||
spreadActions: {
|
||||
setSpreadMode: (mode: SpreadMode) => void;
|
||||
getSpreadMode: () => SpreadMode | null;
|
||||
toggleSpreadMode: () => void;
|
||||
};
|
||||
|
||||
rotationActions: {
|
||||
rotateForward: () => void;
|
||||
rotateBackward: () => void;
|
||||
setRotation: (rotation: number) => void;
|
||||
getRotation: () => number;
|
||||
};
|
||||
|
||||
searchActions: {
|
||||
search: (query: string) => Promise<void>;
|
||||
next: () => void;
|
||||
previous: () => void;
|
||||
clear: () => void;
|
||||
};
|
||||
|
||||
exportActions: {
|
||||
download: () => void;
|
||||
saveAsCopy: () => Promise<ArrayBuffer | null>;
|
||||
};
|
||||
scrollActions: ScrollActions;
|
||||
zoomActions: ZoomActions;
|
||||
panActions: PanActions;
|
||||
selectionActions: SelectionActions;
|
||||
spreadActions: SpreadActions;
|
||||
rotationActions: RotationActions;
|
||||
searchActions: SearchActions;
|
||||
exportActions: ExportActions;
|
||||
|
||||
// Bridge registration - internal use by bridges
|
||||
registerBridge: (type: string, ref: BridgeRef) => void;
|
||||
registerBridge: <K extends BridgeKey>(
|
||||
type: K,
|
||||
ref: BridgeRef<BridgeStateMap[K], BridgeApiMap[K]>
|
||||
) => void;
|
||||
}
|
||||
|
||||
export const ViewerContext = createContext<ViewerContextType | null>(null);
|
||||
@ -229,56 +134,51 @@ export const ViewerProvider: React.FC<ViewerProviderProps> = ({ children }) => {
|
||||
useNavigation();
|
||||
|
||||
// Bridge registry - bridges register their state and APIs here
|
||||
const bridgeRefs = useRef({
|
||||
scroll: null as BridgeRef<ScrollState, ScrollAPIWrapper> | null,
|
||||
zoom: null as BridgeRef<ZoomState, ZoomAPIWrapper> | null,
|
||||
pan: null as BridgeRef<PanState, PanAPIWrapper> | null,
|
||||
selection: null as BridgeRef<SelectionState, SelectionAPIWrapper> | null,
|
||||
search: null as BridgeRef<SearchState, SearchAPIWrapper> | null,
|
||||
spread: null as BridgeRef<SpreadState, SpreadAPIWrapper> | null,
|
||||
rotation: null as BridgeRef<RotationState, RotationAPIWrapper> | null,
|
||||
thumbnail: null as BridgeRef<unknown, ThumbnailAPIWrapper> | null,
|
||||
export: null as BridgeRef<ExportState, ExportAPIWrapper> | null,
|
||||
});
|
||||
const bridgeRefs = useRef<ViewerBridgeRegistry>(createBridgeRegistry());
|
||||
|
||||
// Immediate zoom callback for responsive display updates
|
||||
const immediateZoomUpdateCallback = useRef<((percent: number) => void) | null>(null);
|
||||
const {
|
||||
register: registerImmediateZoomUpdate,
|
||||
trigger: triggerImmediateZoomInternal,
|
||||
} = useImmediateNotifier<[number]>();
|
||||
const {
|
||||
register: registerImmediateScrollUpdate,
|
||||
trigger: triggerImmediateScrollInternal,
|
||||
} = useImmediateNotifier<[number, number]>();
|
||||
const {
|
||||
register: registerImmediateSpreadUpdate,
|
||||
trigger: triggerImmediateSpreadInternal,
|
||||
} = useImmediateNotifier<[SpreadMode, boolean]>();
|
||||
|
||||
// Immediate scroll callback for responsive display updates
|
||||
const immediateScrollUpdateCallback = useRef<((currentPage: number, totalPages: number) => void) | null>(null);
|
||||
const triggerImmediateZoomUpdate = useCallback(
|
||||
(percent: number) => {
|
||||
triggerImmediateZoomInternal(percent);
|
||||
},
|
||||
[triggerImmediateZoomInternal]
|
||||
);
|
||||
|
||||
const registerBridge = (type: string, ref: BridgeRef) => {
|
||||
// Type-safe assignment - we know the bridges will provide correct types
|
||||
switch (type) {
|
||||
case 'scroll':
|
||||
bridgeRefs.current.scroll = ref as BridgeRef<ScrollState, ScrollAPIWrapper>;
|
||||
break;
|
||||
case 'zoom':
|
||||
bridgeRefs.current.zoom = ref as BridgeRef<ZoomState, ZoomAPIWrapper>;
|
||||
break;
|
||||
case 'pan':
|
||||
bridgeRefs.current.pan = ref as BridgeRef<PanState, PanAPIWrapper>;
|
||||
break;
|
||||
case 'selection':
|
||||
bridgeRefs.current.selection = ref as BridgeRef<SelectionState, SelectionAPIWrapper>;
|
||||
break;
|
||||
case 'search':
|
||||
bridgeRefs.current.search = ref as BridgeRef<SearchState, SearchAPIWrapper>;
|
||||
break;
|
||||
case 'spread':
|
||||
bridgeRefs.current.spread = ref as BridgeRef<SpreadState, SpreadAPIWrapper>;
|
||||
break;
|
||||
case 'rotation':
|
||||
bridgeRefs.current.rotation = ref as BridgeRef<RotationState, RotationAPIWrapper>;
|
||||
break;
|
||||
case 'thumbnail':
|
||||
bridgeRefs.current.thumbnail = ref as BridgeRef<unknown, ThumbnailAPIWrapper>;
|
||||
break;
|
||||
case 'export':
|
||||
bridgeRefs.current.export = ref as BridgeRef<ExportState, ExportAPIWrapper>;
|
||||
break;
|
||||
}
|
||||
};
|
||||
const triggerImmediateScrollUpdate = useCallback(
|
||||
(currentPage: number, totalPages: number) => {
|
||||
triggerImmediateScrollInternal(currentPage, totalPages);
|
||||
},
|
||||
[triggerImmediateScrollInternal]
|
||||
);
|
||||
|
||||
const triggerImmediateSpreadUpdate = useCallback(
|
||||
(mode: SpreadMode, isDualPage: boolean = mode !== SpreadMode.None) => {
|
||||
triggerImmediateSpreadInternal(mode, isDualPage);
|
||||
},
|
||||
[triggerImmediateSpreadInternal]
|
||||
);
|
||||
|
||||
const registerBridge = useCallback(
|
||||
<K extends BridgeKey>(
|
||||
type: K,
|
||||
ref: BridgeRef<BridgeStateMap[K], BridgeApiMap[K]>
|
||||
) => {
|
||||
setBridgeRef(bridgeRefs.current, type, ref);
|
||||
},
|
||||
[]
|
||||
);
|
||||
|
||||
const toggleThumbnailSidebar = () => {
|
||||
setIsThumbnailSidebarVisible(prev => !prev);
|
||||
@ -334,241 +234,21 @@ export const ViewerProvider: React.FC<ViewerProviderProps> = ({ children }) => {
|
||||
};
|
||||
|
||||
// Action handlers - call APIs directly
|
||||
const scrollActions = {
|
||||
scrollToPage: (page: number) => {
|
||||
const api = bridgeRefs.current.scroll?.api;
|
||||
if (api?.scrollToPage) {
|
||||
api.scrollToPage({ pageNumber: page });
|
||||
}
|
||||
},
|
||||
scrollToFirstPage: () => {
|
||||
const api = bridgeRefs.current.scroll?.api;
|
||||
if (api?.scrollToPage) {
|
||||
api.scrollToPage({ pageNumber: 1 });
|
||||
}
|
||||
},
|
||||
scrollToPreviousPage: () => {
|
||||
const api = bridgeRefs.current.scroll?.api;
|
||||
if (api?.scrollToPreviousPage) {
|
||||
api.scrollToPreviousPage();
|
||||
}
|
||||
},
|
||||
scrollToNextPage: () => {
|
||||
const api = bridgeRefs.current.scroll?.api;
|
||||
if (api?.scrollToNextPage) {
|
||||
api.scrollToNextPage();
|
||||
}
|
||||
},
|
||||
scrollToLastPage: () => {
|
||||
const scrollState = getScrollState();
|
||||
const api = bridgeRefs.current.scroll?.api;
|
||||
if (api?.scrollToPage && scrollState.totalPages > 0) {
|
||||
api.scrollToPage({ pageNumber: scrollState.totalPages });
|
||||
}
|
||||
}
|
||||
};
|
||||
|
||||
const zoomActions = {
|
||||
zoomIn: () => {
|
||||
const api = bridgeRefs.current.zoom?.api;
|
||||
if (api?.zoomIn) {
|
||||
// Update display immediately if callback is registered
|
||||
if (immediateZoomUpdateCallback.current) {
|
||||
const currentState = getZoomState();
|
||||
const newPercent = Math.min(Math.round(currentState.zoomPercent * 1.2), 300);
|
||||
immediateZoomUpdateCallback.current(newPercent);
|
||||
}
|
||||
api.zoomIn();
|
||||
}
|
||||
},
|
||||
zoomOut: () => {
|
||||
const api = bridgeRefs.current.zoom?.api;
|
||||
if (api?.zoomOut) {
|
||||
// Update display immediately if callback is registered
|
||||
if (immediateZoomUpdateCallback.current) {
|
||||
const currentState = getZoomState();
|
||||
const newPercent = Math.max(Math.round(currentState.zoomPercent / 1.2), 20);
|
||||
immediateZoomUpdateCallback.current(newPercent);
|
||||
}
|
||||
api.zoomOut();
|
||||
}
|
||||
},
|
||||
toggleMarqueeZoom: () => {
|
||||
const api = bridgeRefs.current.zoom?.api;
|
||||
if (api?.toggleMarqueeZoom) {
|
||||
api.toggleMarqueeZoom();
|
||||
}
|
||||
},
|
||||
requestZoom: (level: number) => {
|
||||
const api = bridgeRefs.current.zoom?.api;
|
||||
if (api?.requestZoom) {
|
||||
api.requestZoom(level);
|
||||
}
|
||||
}
|
||||
};
|
||||
|
||||
const panActions = {
|
||||
enablePan: () => {
|
||||
const api = bridgeRefs.current.pan?.api;
|
||||
if (api?.enable) {
|
||||
api.enable();
|
||||
}
|
||||
},
|
||||
disablePan: () => {
|
||||
const api = bridgeRefs.current.pan?.api;
|
||||
if (api?.disable) {
|
||||
api.disable();
|
||||
}
|
||||
},
|
||||
togglePan: () => {
|
||||
const api = bridgeRefs.current.pan?.api;
|
||||
if (api?.toggle) {
|
||||
api.toggle();
|
||||
}
|
||||
}
|
||||
};
|
||||
|
||||
const selectionActions = {
|
||||
copyToClipboard: () => {
|
||||
const api = bridgeRefs.current.selection?.api;
|
||||
if (api?.copyToClipboard) {
|
||||
api.copyToClipboard();
|
||||
}
|
||||
},
|
||||
getSelectedText: () => {
|
||||
const api = bridgeRefs.current.selection?.api;
|
||||
if (api?.getSelectedText) {
|
||||
return api.getSelectedText();
|
||||
}
|
||||
return '';
|
||||
},
|
||||
getFormattedSelection: () => {
|
||||
const api = bridgeRefs.current.selection?.api;
|
||||
if (api?.getFormattedSelection) {
|
||||
return api.getFormattedSelection();
|
||||
}
|
||||
return null;
|
||||
}
|
||||
};
|
||||
|
||||
const spreadActions = {
|
||||
setSpreadMode: (mode: SpreadMode) => {
|
||||
const api = bridgeRefs.current.spread?.api;
|
||||
if (api?.setSpreadMode) {
|
||||
api.setSpreadMode(mode);
|
||||
}
|
||||
},
|
||||
getSpreadMode: () => {
|
||||
const api = bridgeRefs.current.spread?.api;
|
||||
if (api?.getSpreadMode) {
|
||||
return api.getSpreadMode();
|
||||
}
|
||||
return null;
|
||||
},
|
||||
toggleSpreadMode: () => {
|
||||
const api = bridgeRefs.current.spread?.api;
|
||||
if (api?.toggleSpreadMode) {
|
||||
api.toggleSpreadMode();
|
||||
}
|
||||
}
|
||||
};
|
||||
|
||||
const rotationActions = {
|
||||
rotateForward: () => {
|
||||
const api = bridgeRefs.current.rotation?.api;
|
||||
if (api?.rotateForward) {
|
||||
api.rotateForward();
|
||||
}
|
||||
},
|
||||
rotateBackward: () => {
|
||||
const api = bridgeRefs.current.rotation?.api;
|
||||
if (api?.rotateBackward) {
|
||||
api.rotateBackward();
|
||||
}
|
||||
},
|
||||
setRotation: (rotation: number) => {
|
||||
const api = bridgeRefs.current.rotation?.api;
|
||||
if (api?.setRotation) {
|
||||
api.setRotation(rotation);
|
||||
}
|
||||
},
|
||||
getRotation: () => {
|
||||
const api = bridgeRefs.current.rotation?.api;
|
||||
if (api?.getRotation) {
|
||||
return api.getRotation();
|
||||
}
|
||||
return 0;
|
||||
}
|
||||
};
|
||||
|
||||
const searchActions = {
|
||||
search: async (query: string) => {
|
||||
const api = bridgeRefs.current.search?.api;
|
||||
if (api?.search) {
|
||||
return api.search(query);
|
||||
}
|
||||
},
|
||||
next: () => {
|
||||
const api = bridgeRefs.current.search?.api;
|
||||
if (api?.next) {
|
||||
api.next();
|
||||
}
|
||||
},
|
||||
previous: () => {
|
||||
const api = bridgeRefs.current.search?.api;
|
||||
if (api?.previous) {
|
||||
api.previous();
|
||||
}
|
||||
},
|
||||
clear: () => {
|
||||
const api = bridgeRefs.current.search?.api;
|
||||
if (api?.clear) {
|
||||
api.clear();
|
||||
}
|
||||
}
|
||||
};
|
||||
|
||||
const exportActions = {
|
||||
download: () => {
|
||||
const api = bridgeRefs.current.export?.api;
|
||||
if (api?.download) {
|
||||
api.download();
|
||||
}
|
||||
},
|
||||
saveAsCopy: async () => {
|
||||
const api = bridgeRefs.current.export?.api;
|
||||
if (api?.saveAsCopy) {
|
||||
try {
|
||||
const result = api.saveAsCopy();
|
||||
return await result.toPromise();
|
||||
} catch (error) {
|
||||
console.error('Failed to save PDF copy:', error);
|
||||
return null;
|
||||
}
|
||||
}
|
||||
return null;
|
||||
}
|
||||
};
|
||||
|
||||
const registerImmediateZoomUpdate = (callback: (percent: number) => void) => {
|
||||
immediateZoomUpdateCallback.current = callback;
|
||||
};
|
||||
|
||||
const registerImmediateScrollUpdate = (callback: (currentPage: number, totalPages: number) => void) => {
|
||||
immediateScrollUpdateCallback.current = callback;
|
||||
};
|
||||
|
||||
const triggerImmediateScrollUpdate = (currentPage: number, totalPages: number) => {
|
||||
if (immediateScrollUpdateCallback.current) {
|
||||
immediateScrollUpdateCallback.current(currentPage, totalPages);
|
||||
}
|
||||
};
|
||||
|
||||
const triggerImmediateZoomUpdate = (zoomPercent: number) => {
|
||||
if (immediateZoomUpdateCallback.current) {
|
||||
immediateZoomUpdateCallback.current(zoomPercent);
|
||||
}
|
||||
};
|
||||
const {
|
||||
scrollActions,
|
||||
zoomActions,
|
||||
panActions,
|
||||
selectionActions,
|
||||
spreadActions,
|
||||
rotationActions,
|
||||
searchActions,
|
||||
exportActions,
|
||||
} = createViewerActions({
|
||||
registry: bridgeRefs,
|
||||
getScrollState,
|
||||
getZoomState,
|
||||
triggerImmediateZoomUpdate,
|
||||
});
|
||||
|
||||
const value: ViewerContextType = {
|
||||
// UI state
|
||||
@ -600,8 +280,10 @@ export const ViewerProvider: React.FC<ViewerProviderProps> = ({ children }) => {
|
||||
// Immediate updates
|
||||
registerImmediateZoomUpdate,
|
||||
registerImmediateScrollUpdate,
|
||||
registerImmediateSpreadUpdate,
|
||||
triggerImmediateScrollUpdate,
|
||||
triggerImmediateZoomUpdate,
|
||||
triggerImmediateSpreadUpdate,
|
||||
|
||||
// Actions
|
||||
scrollActions,
|
||||
|
||||
@ -58,14 +58,21 @@ const addFilesMutex = new SimpleMutex();
|
||||
/**
|
||||
* Helper to create ProcessedFile metadata structure
|
||||
*/
|
||||
export function createProcessedFile(pageCount: number, thumbnail?: string, pageRotations?: number[]) {
|
||||
export function createProcessedFile(
|
||||
pageCount: number,
|
||||
thumbnail?: string,
|
||||
pageRotations?: number[],
|
||||
pageDimensions?: Array<{ width: number; height: number }>
|
||||
) {
|
||||
return {
|
||||
totalPages: pageCount,
|
||||
pages: Array.from({ length: pageCount }, (_, index) => ({
|
||||
pageNumber: index + 1,
|
||||
thumbnail: index === 0 ? thumbnail : undefined, // Only first page gets thumbnail initially
|
||||
rotation: pageRotations?.[index] ?? 0,
|
||||
splitBefore: false
|
||||
splitBefore: false,
|
||||
width: pageDimensions?.[index]?.width,
|
||||
height: pageDimensions?.[index]?.height
|
||||
})),
|
||||
thumbnailUrl: thumbnail,
|
||||
lastProcessed: Date.now()
|
||||
@ -92,7 +99,8 @@ export async function generateProcessedFileMetadata(file: File): Promise<Process
|
||||
const processedFile = createProcessedFile(
|
||||
unrotatedResult.pageCount,
|
||||
unrotatedResult.thumbnail, // Page thumbnails (unrotated)
|
||||
unrotatedResult.pageRotations
|
||||
unrotatedResult.pageRotations,
|
||||
unrotatedResult.pageDimensions
|
||||
);
|
||||
|
||||
// Use rotated thumbnail for file manager
|
||||
|
||||
311
frontend/src/core/contexts/viewer/viewerActions.ts
Normal file
311
frontend/src/core/contexts/viewer/viewerActions.ts
Normal file
@ -0,0 +1,311 @@
|
||||
import { MutableRefObject } from 'react';
|
||||
import { SpreadMode } from '@embedpdf/plugin-spread/react';
|
||||
import {
|
||||
ViewerBridgeRegistry,
|
||||
ScrollState,
|
||||
ZoomState,
|
||||
} from '@app/contexts/viewer/viewerBridges';
|
||||
|
||||
export interface ScrollActions {
|
||||
scrollToPage: (page: number) => void;
|
||||
scrollToFirstPage: () => void;
|
||||
scrollToPreviousPage: () => void;
|
||||
scrollToNextPage: () => void;
|
||||
scrollToLastPage: () => void;
|
||||
}
|
||||
|
||||
export interface ZoomActions {
|
||||
zoomIn: () => void;
|
||||
zoomOut: () => void;
|
||||
toggleMarqueeZoom: () => void;
|
||||
requestZoom: (level: number) => void;
|
||||
}
|
||||
|
||||
export interface PanActions {
|
||||
enablePan: () => void;
|
||||
disablePan: () => void;
|
||||
togglePan: () => void;
|
||||
}
|
||||
|
||||
export interface SelectionActions {
|
||||
copyToClipboard: () => void;
|
||||
getSelectedText: () => string;
|
||||
getFormattedSelection: () => any;
|
||||
}
|
||||
|
||||
export interface SpreadActions {
|
||||
setSpreadMode: (mode: SpreadMode) => void;
|
||||
getSpreadMode: () => SpreadMode | null;
|
||||
toggleSpreadMode: () => void;
|
||||
}
|
||||
|
||||
export interface RotationActions {
|
||||
rotateForward: () => void;
|
||||
rotateBackward: () => void;
|
||||
setRotation: (rotation: number) => void;
|
||||
getRotation: () => number;
|
||||
}
|
||||
|
||||
export interface SearchActions {
|
||||
search: (query: string) => Promise<any> | undefined;
|
||||
next: () => void;
|
||||
previous: () => void;
|
||||
clear: () => void;
|
||||
}
|
||||
|
||||
export interface ExportActions {
|
||||
download: () => void;
|
||||
saveAsCopy: () => Promise<ArrayBuffer | null>;
|
||||
}
|
||||
|
||||
export interface ViewerActionsBundle {
|
||||
scrollActions: ScrollActions;
|
||||
zoomActions: ZoomActions;
|
||||
panActions: PanActions;
|
||||
selectionActions: SelectionActions;
|
||||
spreadActions: SpreadActions;
|
||||
rotationActions: RotationActions;
|
||||
searchActions: SearchActions;
|
||||
exportActions: ExportActions;
|
||||
}
|
||||
|
||||
interface ViewerActionDependencies {
|
||||
registry: MutableRefObject<ViewerBridgeRegistry>;
|
||||
getScrollState: () => ScrollState;
|
||||
getZoomState: () => ZoomState;
|
||||
triggerImmediateZoomUpdate: (percent: number) => void;
|
||||
}
|
||||
|
||||
export function createViewerActions({
|
||||
registry,
|
||||
getScrollState,
|
||||
getZoomState,
|
||||
triggerImmediateZoomUpdate,
|
||||
}: ViewerActionDependencies): ViewerActionsBundle {
|
||||
const scrollActions: ScrollActions = {
|
||||
scrollToPage: (page: number) => {
|
||||
const api = registry.current.scroll?.api;
|
||||
if (api?.scrollToPage) {
|
||||
api.scrollToPage({ pageNumber: page });
|
||||
}
|
||||
},
|
||||
scrollToFirstPage: () => {
|
||||
const api = registry.current.scroll?.api;
|
||||
if (api?.scrollToPage) {
|
||||
api.scrollToPage({ pageNumber: 1 });
|
||||
}
|
||||
},
|
||||
scrollToPreviousPage: () => {
|
||||
const api = registry.current.scroll?.api;
|
||||
if (api?.scrollToPreviousPage) {
|
||||
api.scrollToPreviousPage();
|
||||
}
|
||||
},
|
||||
scrollToNextPage: () => {
|
||||
const api = registry.current.scroll?.api;
|
||||
if (api?.scrollToNextPage) {
|
||||
api.scrollToNextPage();
|
||||
}
|
||||
},
|
||||
scrollToLastPage: () => {
|
||||
const api = registry.current.scroll?.api;
|
||||
const state = getScrollState();
|
||||
if (api?.scrollToPage && state.totalPages > 0) {
|
||||
api.scrollToPage({ pageNumber: state.totalPages });
|
||||
}
|
||||
},
|
||||
};
|
||||
|
||||
const zoomActions: ZoomActions = {
|
||||
zoomIn: () => {
|
||||
const api = registry.current.zoom?.api;
|
||||
if (api?.zoomIn) {
|
||||
const currentState = getZoomState();
|
||||
const newPercent = Math.min(
|
||||
Math.round(currentState.zoomPercent * 1.2),
|
||||
300
|
||||
);
|
||||
triggerImmediateZoomUpdate(newPercent);
|
||||
api.zoomIn();
|
||||
}
|
||||
},
|
||||
zoomOut: () => {
|
||||
const api = registry.current.zoom?.api;
|
||||
if (api?.zoomOut) {
|
||||
const currentState = getZoomState();
|
||||
const newPercent = Math.max(
|
||||
Math.round(currentState.zoomPercent / 1.2),
|
||||
20
|
||||
);
|
||||
triggerImmediateZoomUpdate(newPercent);
|
||||
api.zoomOut();
|
||||
}
|
||||
},
|
||||
toggleMarqueeZoom: () => {
|
||||
const api = registry.current.zoom?.api;
|
||||
if (api?.toggleMarqueeZoom) {
|
||||
api.toggleMarqueeZoom();
|
||||
}
|
||||
},
|
||||
requestZoom: (level: number) => {
|
||||
const api = registry.current.zoom?.api;
|
||||
if (api?.requestZoom) {
|
||||
api.requestZoom(level);
|
||||
}
|
||||
},
|
||||
};
|
||||
|
||||
const panActions: PanActions = {
|
||||
enablePan: () => {
|
||||
const api = registry.current.pan?.api;
|
||||
if (api?.enable) {
|
||||
api.enable();
|
||||
}
|
||||
},
|
||||
disablePan: () => {
|
||||
const api = registry.current.pan?.api;
|
||||
if (api?.disable) {
|
||||
api.disable();
|
||||
}
|
||||
},
|
||||
togglePan: () => {
|
||||
const api = registry.current.pan?.api;
|
||||
if (api?.toggle) {
|
||||
api.toggle();
|
||||
}
|
||||
},
|
||||
};
|
||||
|
||||
const selectionActions: SelectionActions = {
|
||||
copyToClipboard: () => {
|
||||
const api = registry.current.selection?.api;
|
||||
if (api?.copyToClipboard) {
|
||||
api.copyToClipboard();
|
||||
}
|
||||
},
|
||||
getSelectedText: () => {
|
||||
const api = registry.current.selection?.api;
|
||||
if (api?.getSelectedText) {
|
||||
return api.getSelectedText() ?? '';
|
||||
}
|
||||
return '';
|
||||
},
|
||||
getFormattedSelection: () => {
|
||||
const api = registry.current.selection?.api;
|
||||
if (api?.getFormattedSelection) {
|
||||
return api.getFormattedSelection();
|
||||
}
|
||||
return null;
|
||||
},
|
||||
};
|
||||
|
||||
const spreadActions: SpreadActions = {
|
||||
setSpreadMode: (mode: SpreadMode) => {
|
||||
const api = registry.current.spread?.api;
|
||||
if (api?.setSpreadMode) {
|
||||
api.setSpreadMode(mode);
|
||||
}
|
||||
},
|
||||
getSpreadMode: () => {
|
||||
const api = registry.current.spread?.api;
|
||||
if (api?.getSpreadMode) {
|
||||
return api.getSpreadMode();
|
||||
}
|
||||
return null;
|
||||
},
|
||||
toggleSpreadMode: () => {
|
||||
const api = registry.current.spread?.api;
|
||||
if (api?.toggleSpreadMode) {
|
||||
api.toggleSpreadMode();
|
||||
}
|
||||
},
|
||||
};
|
||||
|
||||
const rotationActions: RotationActions = {
|
||||
rotateForward: () => {
|
||||
const api = registry.current.rotation?.api;
|
||||
if (api?.rotateForward) {
|
||||
api.rotateForward();
|
||||
}
|
||||
},
|
||||
rotateBackward: () => {
|
||||
const api = registry.current.rotation?.api;
|
||||
if (api?.rotateBackward) {
|
||||
api.rotateBackward();
|
||||
}
|
||||
},
|
||||
setRotation: (rotation: number) => {
|
||||
const api = registry.current.rotation?.api;
|
||||
if (api?.setRotation) {
|
||||
api.setRotation(rotation);
|
||||
}
|
||||
},
|
||||
getRotation: () => {
|
||||
const api = registry.current.rotation?.api;
|
||||
if (api?.getRotation) {
|
||||
return api.getRotation();
|
||||
}
|
||||
return 0;
|
||||
},
|
||||
};
|
||||
|
||||
const searchActions: SearchActions = {
|
||||
search: (query: string) => {
|
||||
const api = registry.current.search?.api;
|
||||
if (api?.search) {
|
||||
return api.search(query);
|
||||
}
|
||||
},
|
||||
next: () => {
|
||||
const api = registry.current.search?.api;
|
||||
if (api?.next) {
|
||||
api.next();
|
||||
}
|
||||
},
|
||||
previous: () => {
|
||||
const api = registry.current.search?.api;
|
||||
if (api?.previous) {
|
||||
api.previous();
|
||||
}
|
||||
},
|
||||
clear: () => {
|
||||
const api = registry.current.search?.api;
|
||||
if (api?.clear) {
|
||||
api.clear();
|
||||
}
|
||||
},
|
||||
};
|
||||
|
||||
const exportActions: ExportActions = {
|
||||
download: () => {
|
||||
const api = registry.current.export?.api;
|
||||
if (api?.download) {
|
||||
api.download();
|
||||
}
|
||||
},
|
||||
saveAsCopy: async () => {
|
||||
const api = registry.current.export?.api;
|
||||
if (api?.saveAsCopy) {
|
||||
try {
|
||||
const result = api.saveAsCopy();
|
||||
return await result.toPromise();
|
||||
} catch (error) {
|
||||
console.error('Failed to save PDF copy:', error);
|
||||
return null;
|
||||
}
|
||||
}
|
||||
return null;
|
||||
},
|
||||
};
|
||||
|
||||
return {
|
||||
scrollActions,
|
||||
zoomActions,
|
||||
panActions,
|
||||
selectionActions,
|
||||
spreadActions,
|
||||
rotationActions,
|
||||
searchActions,
|
||||
exportActions,
|
||||
};
|
||||
}
|
||||
174
frontend/src/core/contexts/viewer/viewerBridges.ts
Normal file
174
frontend/src/core/contexts/viewer/viewerBridges.ts
Normal file
@ -0,0 +1,174 @@
|
||||
import { SpreadMode } from '@embedpdf/plugin-spread/react';
|
||||
|
||||
export interface ScrollAPIWrapper {
|
||||
scrollToPage: (params: { pageNumber: number }) => void;
|
||||
scrollToPreviousPage: () => void;
|
||||
scrollToNextPage: () => void;
|
||||
}
|
||||
|
||||
export interface ZoomAPIWrapper {
|
||||
zoomIn: () => void;
|
||||
zoomOut: () => void;
|
||||
toggleMarqueeZoom: () => void;
|
||||
requestZoom: (level: number) => void;
|
||||
}
|
||||
|
||||
export interface PanAPIWrapper {
|
||||
enable: () => void;
|
||||
disable: () => void;
|
||||
toggle: () => void;
|
||||
makePanDefault: () => void;
|
||||
}
|
||||
|
||||
export interface SelectionAPIWrapper {
|
||||
copyToClipboard: () => void;
|
||||
getSelectedText: () => string | any;
|
||||
getFormattedSelection: () => any;
|
||||
}
|
||||
|
||||
export interface SpreadAPIWrapper {
|
||||
setSpreadMode: (mode: SpreadMode) => void;
|
||||
getSpreadMode: () => SpreadMode | null;
|
||||
toggleSpreadMode: () => void;
|
||||
SpreadMode: typeof SpreadMode;
|
||||
}
|
||||
|
||||
export interface RotationAPIWrapper {
|
||||
rotateForward: () => void;
|
||||
rotateBackward: () => void;
|
||||
setRotation: (rotation: number) => void;
|
||||
getRotation: () => number;
|
||||
}
|
||||
|
||||
export interface SearchAPIWrapper {
|
||||
search: (query: string) => Promise<any>;
|
||||
clear: () => void;
|
||||
next: () => void;
|
||||
previous: () => void;
|
||||
goToResult: (index: number) => void;
|
||||
}
|
||||
|
||||
export interface ThumbnailAPIWrapper {
|
||||
renderThumb: (pageIndex: number, scale: number) => {
|
||||
toPromise: () => Promise<Blob>;
|
||||
};
|
||||
}
|
||||
|
||||
export interface ExportAPIWrapper {
|
||||
download: () => void;
|
||||
saveAsCopy: () => { toPromise: () => Promise<ArrayBuffer> };
|
||||
}
|
||||
|
||||
export interface ScrollState {
|
||||
currentPage: number;
|
||||
totalPages: number;
|
||||
}
|
||||
|
||||
export interface ZoomState {
|
||||
currentZoom: number;
|
||||
zoomPercent: number;
|
||||
}
|
||||
|
||||
export interface PanState {
|
||||
isPanning: boolean;
|
||||
}
|
||||
|
||||
export interface SelectionState {
|
||||
hasSelection: boolean;
|
||||
}
|
||||
|
||||
export interface SpreadState {
|
||||
spreadMode: SpreadMode;
|
||||
isDualPage: boolean;
|
||||
}
|
||||
|
||||
export interface RotationState {
|
||||
rotation: number;
|
||||
}
|
||||
|
||||
export interface SearchResult {
|
||||
pageIndex: number;
|
||||
rects: Array<{
|
||||
origin: { x: number; y: number };
|
||||
size: { width: number; height: number };
|
||||
}>;
|
||||
}
|
||||
|
||||
export interface SearchState {
|
||||
results: SearchResult[] | null;
|
||||
activeIndex: number;
|
||||
}
|
||||
|
||||
export interface ExportState {
|
||||
canExport: boolean;
|
||||
}
|
||||
|
||||
export interface BridgeRef<TState = unknown, TApi = unknown> {
|
||||
state: TState;
|
||||
api: TApi;
|
||||
}
|
||||
|
||||
export interface BridgeStateMap {
|
||||
scroll: ScrollState;
|
||||
zoom: ZoomState;
|
||||
pan: PanState;
|
||||
selection: SelectionState;
|
||||
spread: SpreadState;
|
||||
rotation: RotationState;
|
||||
search: SearchState;
|
||||
thumbnail: unknown;
|
||||
export: ExportState;
|
||||
}
|
||||
|
||||
export interface BridgeApiMap {
|
||||
scroll: ScrollAPIWrapper;
|
||||
zoom: ZoomAPIWrapper;
|
||||
pan: PanAPIWrapper;
|
||||
selection: SelectionAPIWrapper;
|
||||
spread: SpreadAPIWrapper;
|
||||
rotation: RotationAPIWrapper;
|
||||
search: SearchAPIWrapper;
|
||||
thumbnail: ThumbnailAPIWrapper;
|
||||
export: ExportAPIWrapper;
|
||||
}
|
||||
|
||||
export type BridgeKey = keyof BridgeStateMap;
|
||||
|
||||
export type ViewerBridgeRegistry = {
|
||||
[K in BridgeKey]: BridgeRef<BridgeStateMap[K], BridgeApiMap[K]> | null;
|
||||
};
|
||||
|
||||
export const createBridgeRegistry = (): ViewerBridgeRegistry => ({
|
||||
scroll: null,
|
||||
zoom: null,
|
||||
pan: null,
|
||||
selection: null,
|
||||
spread: null,
|
||||
rotation: null,
|
||||
search: null,
|
||||
thumbnail: null,
|
||||
export: null,
|
||||
});
|
||||
|
||||
export function registerBridge<K extends BridgeKey>(
|
||||
registry: ViewerBridgeRegistry,
|
||||
type: K,
|
||||
ref: BridgeRef<BridgeStateMap[K], BridgeApiMap[K]>
|
||||
): void {
|
||||
registry[type] = ref as ViewerBridgeRegistry[K];
|
||||
}
|
||||
|
||||
export function getBridgeState<K extends BridgeKey>(
|
||||
registry: ViewerBridgeRegistry,
|
||||
type: K,
|
||||
fallback: BridgeStateMap[K]
|
||||
): BridgeStateMap[K] {
|
||||
return registry[type]?.state ?? fallback;
|
||||
}
|
||||
|
||||
export function getBridgeApi<K extends BridgeKey>(
|
||||
registry: ViewerBridgeRegistry,
|
||||
type: K
|
||||
): BridgeApiMap[K] | null {
|
||||
return registry[type]?.api ?? null;
|
||||
}
|
||||
@ -14,6 +14,8 @@ export interface ProcessedFilePage {
|
||||
pageNumber?: number;
|
||||
rotation?: number;
|
||||
splitBefore?: boolean;
|
||||
width?: number;
|
||||
height?: number;
|
||||
[key: string]: any;
|
||||
}
|
||||
|
||||
|
||||
53
frontend/src/core/utils/pageMetadata.ts
Normal file
53
frontend/src/core/utils/pageMetadata.ts
Normal file
@ -0,0 +1,53 @@
|
||||
import {
|
||||
ProcessedFileMetadata,
|
||||
ProcessedFilePage,
|
||||
StirlingFileStub,
|
||||
} from '@app/types/fileContext';
|
||||
|
||||
export interface PageDimensions {
|
||||
width: number | null;
|
||||
height: number | null;
|
||||
}
|
||||
|
||||
export function getPageDimensions(
|
||||
page?: ProcessedFilePage | null
|
||||
): PageDimensions {
|
||||
const width =
|
||||
typeof page?.width === 'number' && page.width > 0 ? page.width : null;
|
||||
const height =
|
||||
typeof page?.height === 'number' && page.height > 0 ? page.height : null;
|
||||
|
||||
return { width, height };
|
||||
}
|
||||
|
||||
export function getFirstPageDimensionsFromMetadata(
|
||||
metadata?: ProcessedFileMetadata | null
|
||||
): PageDimensions {
|
||||
if (!metadata?.pages?.length) {
|
||||
return { width: null, height: null };
|
||||
}
|
||||
|
||||
return getPageDimensions(metadata.pages[0]);
|
||||
}
|
||||
|
||||
export function getFirstPageDimensionsFromStub(
|
||||
file?: StirlingFileStub
|
||||
): PageDimensions {
|
||||
return getFirstPageDimensionsFromMetadata(file?.processedFile);
|
||||
}
|
||||
|
||||
export function getFirstPageAspectRatioFromMetadata(
|
||||
metadata?: ProcessedFileMetadata | null
|
||||
): number | null {
|
||||
const { width, height } = getFirstPageDimensionsFromMetadata(metadata);
|
||||
if (width && height) {
|
||||
return height / width;
|
||||
}
|
||||
return null;
|
||||
}
|
||||
|
||||
export function getFirstPageAspectRatioFromStub(
|
||||
file?: StirlingFileStub
|
||||
): number | null {
|
||||
return getFirstPageAspectRatioFromMetadata(file?.processedFile);
|
||||
}
|
||||
@ -4,6 +4,7 @@ export interface ThumbnailWithMetadata {
|
||||
thumbnail: string; // Always returns a thumbnail (placeholder if needed)
|
||||
pageCount: number;
|
||||
pageRotations?: number[]; // Rotation for each page (0, 90, 180, 270)
|
||||
pageDimensions?: Array<{ width: number; height: number }>;
|
||||
}
|
||||
|
||||
interface ColorScheme {
|
||||
@ -402,12 +403,18 @@ export async function generateThumbnailWithMetadata(file: File, applyRotation: b
|
||||
|
||||
const pageCount = pdf.numPages;
|
||||
const page = await pdf.getPage(1);
|
||||
const pageDimensions: Array<{ width: number; height: number }> = [];
|
||||
|
||||
// If applyRotation is false, render without rotation (for CSS-based rotation)
|
||||
// If applyRotation is true, let PDF.js apply rotation (for static display)
|
||||
const viewport = applyRotation
|
||||
? page.getViewport({ scale })
|
||||
: page.getViewport({ scale, rotation: 0 });
|
||||
const baseViewport = page.getViewport({ scale: 1, rotation: 0 });
|
||||
pageDimensions[0] = {
|
||||
width: baseViewport.width,
|
||||
height: baseViewport.height
|
||||
};
|
||||
|
||||
const canvas = document.createElement("canvas");
|
||||
canvas.width = viewport.width;
|
||||
@ -428,10 +435,17 @@ export async function generateThumbnailWithMetadata(file: File, applyRotation: b
|
||||
const p = await pdf.getPage(i);
|
||||
const rotation = p.rotate || 0;
|
||||
pageRotations.push(rotation);
|
||||
if (!pageDimensions[i - 1]) {
|
||||
const pageViewport = p.getViewport({ scale: 1, rotation: 0 });
|
||||
pageDimensions[i - 1] = {
|
||||
width: pageViewport.width,
|
||||
height: pageViewport.height
|
||||
};
|
||||
}
|
||||
}
|
||||
|
||||
pdfWorkerManager.destroyDocument(pdf);
|
||||
return { thumbnail, pageCount, pageRotations };
|
||||
return { thumbnail, pageCount, pageRotations, pageDimensions };
|
||||
|
||||
} catch (error) {
|
||||
if (error instanceof Error && error.name === "PasswordException") {
|
||||
|
||||
188
frontend/src/core/utils/viewerZoom.ts
Normal file
188
frontend/src/core/utils/viewerZoom.ts
Normal file
@ -0,0 +1,188 @@
|
||||
import { useEffect, useRef } from 'react';
|
||||
|
||||
export const DEFAULT_VISIBILITY_THRESHOLD = 80; // Require at least 80% of the page height to be visible
|
||||
export const DEFAULT_FALLBACK_ZOOM = 1.44; // 144% fallback when no reliable metadata is present
|
||||
|
||||
export interface ZoomViewport {
|
||||
clientWidth?: number;
|
||||
clientHeight?: number;
|
||||
width?: number;
|
||||
height?: number;
|
||||
}
|
||||
|
||||
export type AutoZoomDecision =
|
||||
| { type: 'fallback'; zoom: number }
|
||||
| { type: 'fitWidth' }
|
||||
| { type: 'adjust'; zoom: number };
|
||||
|
||||
export interface AutoZoomParams {
|
||||
viewportWidth: number;
|
||||
viewportHeight: number;
|
||||
fitWidthZoom: number;
|
||||
pagesPerSpread: number;
|
||||
pageRect?: { width: number; height: number } | null;
|
||||
metadataAspectRatio?: number | null;
|
||||
visibilityThreshold?: number;
|
||||
fallbackZoom?: number;
|
||||
}
|
||||
|
||||
export function determineAutoZoom({
|
||||
viewportWidth,
|
||||
viewportHeight,
|
||||
fitWidthZoom,
|
||||
pagesPerSpread,
|
||||
pageRect,
|
||||
metadataAspectRatio,
|
||||
visibilityThreshold = DEFAULT_VISIBILITY_THRESHOLD,
|
||||
fallbackZoom = DEFAULT_FALLBACK_ZOOM,
|
||||
}: AutoZoomParams): AutoZoomDecision {
|
||||
const rectWidth = pageRect?.width ?? 0;
|
||||
const rectHeight = pageRect?.height ?? 0;
|
||||
|
||||
const aspectRatio: number | null =
|
||||
rectWidth > 0 ? rectHeight / rectWidth : metadataAspectRatio ?? null;
|
||||
|
||||
let renderedHeight: number | null = rectHeight > 0 ? rectHeight : null;
|
||||
|
||||
if (!renderedHeight || renderedHeight <= 0) {
|
||||
if (aspectRatio == null || aspectRatio <= 0) {
|
||||
return { type: 'fallback', zoom: Math.min(fitWidthZoom, fallbackZoom) };
|
||||
}
|
||||
|
||||
const pageWidth = viewportWidth / (fitWidthZoom * pagesPerSpread);
|
||||
const pageHeight = pageWidth * aspectRatio;
|
||||
renderedHeight = pageHeight * fitWidthZoom;
|
||||
}
|
||||
|
||||
if (!renderedHeight || renderedHeight <= 0) {
|
||||
return { type: 'fitWidth' };
|
||||
}
|
||||
|
||||
const isLandscape = aspectRatio !== null && aspectRatio < 1;
|
||||
const targetVisibility = isLandscape ? 100 : visibilityThreshold;
|
||||
|
||||
const visiblePercent = (viewportHeight / renderedHeight) * 100;
|
||||
|
||||
if (visiblePercent >= targetVisibility) {
|
||||
return { type: 'fitWidth' };
|
||||
}
|
||||
|
||||
const allowableHeightRatio = targetVisibility / 100;
|
||||
const zoomScale =
|
||||
viewportHeight / (allowableHeightRatio * renderedHeight);
|
||||
const targetZoom = Math.min(fitWidthZoom, fitWidthZoom * zoomScale);
|
||||
|
||||
if (Math.abs(targetZoom - fitWidthZoom) < 0.001) {
|
||||
return { type: 'fitWidth' };
|
||||
}
|
||||
|
||||
return { type: 'adjust', zoom: targetZoom };
|
||||
}
|
||||
|
||||
export interface MeasurePageRectOptions {
|
||||
selector?: string;
|
||||
maxAttempts?: number;
|
||||
shouldCancel?: () => boolean;
|
||||
}
|
||||
|
||||
export async function measureRenderedPageRect({
|
||||
selector = '[data-page-index="0"]',
|
||||
maxAttempts = 12,
|
||||
shouldCancel,
|
||||
}: MeasurePageRectOptions = {}): Promise<DOMRect | null> {
|
||||
if (typeof window === 'undefined' || typeof document === 'undefined') {
|
||||
return null;
|
||||
}
|
||||
|
||||
let rafId: number | null = null;
|
||||
|
||||
const waitForNextFrame = () =>
|
||||
new Promise<void>((resolve) => {
|
||||
rafId = window.requestAnimationFrame(() => {
|
||||
rafId = null;
|
||||
resolve();
|
||||
});
|
||||
});
|
||||
|
||||
try {
|
||||
for (let attempt = 0; attempt < maxAttempts; attempt++) {
|
||||
if (shouldCancel?.()) {
|
||||
return null;
|
||||
}
|
||||
|
||||
const element = document.querySelector(selector) as HTMLElement | null;
|
||||
|
||||
if (element) {
|
||||
const rect = element.getBoundingClientRect();
|
||||
if (rect.width > 0 && rect.height > 0) {
|
||||
return rect;
|
||||
}
|
||||
}
|
||||
|
||||
await waitForNextFrame();
|
||||
}
|
||||
} finally {
|
||||
if (rafId !== null) {
|
||||
window.cancelAnimationFrame(rafId);
|
||||
}
|
||||
}
|
||||
|
||||
return null;
|
||||
}
|
||||
|
||||
export interface FitWidthResizeOptions {
|
||||
isManaged: boolean;
|
||||
requestFitWidth: () => void;
|
||||
onDebouncedResize: () => void;
|
||||
debounceMs?: number;
|
||||
}
|
||||
|
||||
export function useFitWidthResize({
|
||||
isManaged,
|
||||
requestFitWidth,
|
||||
onDebouncedResize,
|
||||
debounceMs = 150,
|
||||
}: FitWidthResizeOptions): void {
|
||||
const managedRef = useRef(isManaged);
|
||||
const requestFitWidthRef = useRef(requestFitWidth);
|
||||
const onDebouncedResizeRef = useRef(onDebouncedResize);
|
||||
|
||||
useEffect(() => {
|
||||
managedRef.current = isManaged;
|
||||
}, [isManaged]);
|
||||
|
||||
useEffect(() => {
|
||||
requestFitWidthRef.current = requestFitWidth;
|
||||
}, [requestFitWidth]);
|
||||
|
||||
useEffect(() => {
|
||||
onDebouncedResizeRef.current = onDebouncedResize;
|
||||
}, [onDebouncedResize]);
|
||||
|
||||
useEffect(() => {
|
||||
let timeoutId: number | undefined;
|
||||
|
||||
const handleResize = () => {
|
||||
if (!managedRef.current) {
|
||||
return;
|
||||
}
|
||||
|
||||
if (timeoutId !== undefined) {
|
||||
window.clearTimeout(timeoutId);
|
||||
}
|
||||
|
||||
timeoutId = window.setTimeout(() => {
|
||||
requestFitWidthRef.current?.();
|
||||
onDebouncedResizeRef.current?.();
|
||||
}, debounceMs);
|
||||
};
|
||||
|
||||
window.addEventListener('resize', handleResize);
|
||||
return () => {
|
||||
if (timeoutId !== undefined) {
|
||||
window.clearTimeout(timeoutId);
|
||||
}
|
||||
window.removeEventListener('resize', handleResize);
|
||||
};
|
||||
}, [debounceMs]);
|
||||
}
|
||||
Loading…
Reference in New Issue
Block a user