Adds a thumbnail view similar to MS Word, including both heading and section grouping
// ==UserScript==
// @name Pages View Google Docs
// @namespace http://tampermonkey.net/
// @version 1.1
// @description Adds a thumbnail view similar to MS Word, including both heading and section grouping
// @match https://docs.google.com/document/d/*
// @license MIT
// @grant none
// ==/UserScript==
(() => {
'use strict';
// ---------------------------
// 1. Utility Functions
// ---------------------------
const sleep = ms => new Promise(resolve => setTimeout(resolve, ms));
const clickElement = element => {
['mousedown', 'mouseup', 'click'].forEach(type => {
element.dispatchEvent(new MouseEvent(type, { bubbles: true, cancelable: true, view: window }));
});
console.log('Simulated click on', element);
};
const waitForHeaderBubbles = async (timeout = 3000) => {
const startTime = Date.now();
let bubbles = [];
while (Date.now() - startTime < timeout) {
bubbles = Array.from(document.querySelectorAll('div.docs-bubble.kix-header-footer-bubble'))
.filter(bubble => window.getComputedStyle(bubble).display !== 'none');
if (bubbles.length) break;
await sleep(300);
}
return bubbles;
};
// New function to load header bubble using a chain of fallbacks.
function clickHeaderChain() {
// Attempt 1: Try to click the main Header option.
const mainHeader = document.evaluate(
"//div[contains(@class, 'goog-menuitem') and contains(@class, 'apps-menuitem') and not(contains(@class, 'goog-submenu'))]//span[contains(@aria-label, 'Header') and not(contains(@aria-label, 'Headers'))]",
document,
null,
XPathResult.FIRST_ORDERED_NODE_TYPE,
null
).singleNodeValue;
if (mainHeader) {
clickElement(mainHeader.closest('div.goog-menuitem'));
// Close any lingering menus.
document.querySelectorAll('div.goog-menu').forEach(menu => menu.style.display = 'none');
console.log("Main Header clicked immediately.");
return;
}
// Attempt 2: Try the fallback "Headers & footers" option.
const fallbackHeader = document.evaluate(
"//div[contains(@class, 'goog-menuitem') and contains(@class, 'apps-menuitem') and contains(@class, 'goog-submenu')]//span[contains(@aria-label, 'Headers') and contains(@aria-label, 'footers')]",
document,
null,
XPathResult.FIRST_ORDERED_NODE_TYPE,
null
).singleNodeValue;
if (fallbackHeader) {
clickElement(fallbackHeader.closest('div.goog-menuitem'));
console.log("Fallback 'Headers & footers' clicked.");
// Wait a bit then try for the main header.
setTimeout(() => {
const mainHeaderRetry = document.evaluate(
"//div[contains(@class, 'goog-menuitem') and contains(@class, 'apps-menuitem') and not(contains(@class, 'goog-submenu'))]//span[contains(@aria-label, 'Header') and not(contains(@aria-label, 'Headers'))]",
document,
null,
XPathResult.FIRST_ORDERED_NODE_TYPE,
null
).singleNodeValue;
if (mainHeaderRetry) {
clickElement(mainHeaderRetry.closest('div.goog-menuitem'));
document.querySelectorAll('div.goog-menu').forEach(menu => menu.style.display = 'none');
console.log("Main Header clicked after fallback.");
} else {
console.log("Main Header did not appear after clicking fallback.");
}
}, 500);
return;
}
// Attempt 3: Use the Insert menu as a last resort.
const insertMenu = document.querySelector('div#docs-insert-menu');
if (insertMenu) {
clickElement(insertMenu);
console.log("Insert menu clicked as fallback.");
setTimeout(() => {
const fallbackHeaderRetry = document.evaluate(
"//div[contains(@class, 'goog-menuitem') and contains(@class, 'apps-menuitem') and contains(@class, 'goog-submenu')]//span[contains(@aria-label, 'Headers') and contains(@aria-label, 'footers')]",
document,
null,
XPathResult.FIRST_ORDERED_NODE_TYPE,
null
).singleNodeValue;
if (fallbackHeaderRetry) {
clickElement(fallbackHeaderRetry.closest('div.goog-menuitem'));
console.log("'Headers & footers' clicked from Insert menu.");
setTimeout(() => {
const mainHeaderFinal = document.evaluate(
"//div[contains(@class, 'goog-menuitem') and contains(@class, 'apps-menuitem') and not(contains(@class, 'goog-submenu'))]//span[contains(@aria-label, 'Header') and not(contains(@aria-label, 'Headers'))]",
document,
null,
XPathResult.FIRST_ORDERED_NODE_TYPE,
null
).singleNodeValue;
if (mainHeaderFinal) {
clickElement(mainHeaderFinal.closest('div.goog-menuitem'));
document.querySelectorAll('div.goog-menu').forEach(menu => menu.style.display = 'none');
console.log("Main Header clicked after Insert chain.");
} else {
console.log("Main Header did not appear after Insert chain.");
}
}, 500);
} else {
console.log("'Headers & footers' did not appear after clicking Insert menu.");
}
}, 500);
} else {
console.log("Insert menu is missing.");
}
}
const disableDocumentTabs = () => {
const tabsElem = document.querySelector(
'div.navigation-widget.navigation-widget-unified-styling.docs-material.navigation-widget-floating-navigation-button.navigation-location-indicator.outline-refresh.navigation-widget-hoverable.navigation-widget-chaptered.left-sidebar-container-content-child'
);
if (tabsElem) {
tabsElem.style.pointerEvents = 'none';
console.log("Document tabs disabled.");
}
};
const enableDocumentTabs = () => {
const tabsElem = document.querySelector(
'div.navigation-widget.navigation-widget-unified-styling.docs-material.navigation-widget-floating-navigation-button.navigation-location-indicator.outline-refresh.navigation-widget-hoverable.navigation-widget-chaptered.left-sidebar-container-content-child'
);
if (tabsElem) {
tabsElem.style.pointerEvents = '';
console.log("Document tabs re-enabled.");
}
};
// ---------------------------
// 2. Global State & Constants
// ---------------------------
let currentTextDirection = 'ltr';
let thumbnailOverlay = null;
let overlayPositionObserver = null;
let thumbnailZoomFactor = 1;
const ZOOM_STEP = 0.1, MIN_ZOOM = 0.5, MAX_ZOOM = 2.0;
const capturedPages = new Set();
let captureTimeoutId = null;
let mutationObserver = null;
let isGroupingEnabled = false; // For heading grouping
let isSectionGroupingEnabled = false; // New flag for section grouping
const capturedPageData = {}; // { pageNumber: { thumbEntry, headings: Set() } }
let headingGroupsArr = [];
let cancelScrollSequence = false;
let isThumbnailViewActive = false;
let pagesViewButton = null;
let progressBarContainer = null;
let progressBarInner = null;
let tabSelectionIntervalId = null;
let cancelHeadingClicks = false;
let initialSelectedTab = null; // Store the tab element that was selected when opening overlay
// ---------------------------
// 3. Document & Scroll Utilities
// ---------------------------
const getDocumentId = () =>
(window.location.href.match(/\/d\/([a-zA-Z0-9_-]+)/) || [])[1] || 'default';
const getScrollableElement = () => document.querySelector('.kix-appview-editor');
const saveScrollPosition = () => {
const scrollable = getScrollableElement();
if (scrollable) {
const scrollData = JSON.parse(localStorage.getItem('googleDocsScrollData') || '{}');
scrollData[getDocumentId()] = scrollable.scrollTop;
localStorage.setItem('googleDocsScrollData', JSON.stringify(scrollData));
}
};
const restoreScrollPosition = () => {
const scrollable = getScrollableElement();
const scrollData = JSON.parse(localStorage.getItem('googleDocsScrollData') || '{}');
const pos = scrollData[getDocumentId()];
if (scrollable && pos !== undefined) {
scrollable.scrollTop = parseInt(pos, 10);
}
};
// ---------------------------
// 4. Thumbnail Overlay Management
// ---------------------------
const updateOverlayPosition = () => {
let topOffset = '50px';
let ruler = document.getElementById('kix-horizontal-ruler') ||
document.querySelector('div#docs-chrome[aria-label="Menu bar"]');
if (ruler) topOffset = `${ruler.getBoundingClientRect().bottom}px`;
let leftOffset = '10px';
const sidebar = document.querySelector('.left-sidebar-container');
if (sidebar) leftOffset = `${sidebar.getBoundingClientRect().right}px`;
if (thumbnailOverlay) {
Object.assign(thumbnailOverlay.style, { top: topOffset, left: leftOffset });
}
};
const startOverlayPositionObserver = () => {
const targets = [];
const sidebar = document.querySelector('.left-sidebar-container');
if (sidebar) targets.push(sidebar);
let ruler = document.getElementById('kix-horizontal-ruler') ||
document.querySelector('div#docs-chrome[aria-label="Menu bar"]');
if (ruler) targets.push(ruler);
if (!targets.length) return;
overlayPositionObserver = new MutationObserver(updateOverlayPosition);
targets.forEach(target =>
overlayPositionObserver.observe(target, { attributes: true, attributeFilter: ['style', 'class'] })
);
};
const stopOverlayPositionObserver = () => {
if (overlayPositionObserver) {
overlayPositionObserver.disconnect();
overlayPositionObserver = null;
}
};
const createThumbnailOverlay = () => {
thumbnailOverlay = document.createElement('div');
thumbnailOverlay.id = 'thumbnailOverlay';
updateOverlayPosition();
Object.assign(thumbnailOverlay.style, {
position: 'fixed',
right: '0',
bottom: '0',
background: '#f9fbfd',
zIndex: '10000',
overflowY: 'auto',
display: 'flex',
flexWrap: 'wrap',
padding: '10px',
alignContent: 'flex-start'
});
document.body.appendChild(thumbnailOverlay);
startOverlayPositionObserver();
};
const removeThumbnailOverlay = () => {
if (thumbnailOverlay) {
thumbnailOverlay.remove();
thumbnailOverlay = null;
}
stopOverlayPositionObserver();
};
// ---------------------------
// 5. Thumbnail Display & Zoom
// ---------------------------
const insertThumbnailInOrder = (thumbElement, pageNumber) => {
if (!thumbnailOverlay) return;
const thumbnails = Array.from(thumbnailOverlay.querySelectorAll('.thumbnail-entry'));
const index = thumbnails.findIndex(el => parseInt(el.dataset.pageNumber, 10) > pageNumber);
if (index >= 0) {
thumbnailOverlay.insertBefore(thumbElement, thumbnails[index]);
} else {
thumbnailOverlay.appendChild(thumbElement);
}
};
const updateThumbnailZoom = () => {
if (!thumbnailOverlay) return;
thumbnailOverlay.querySelectorAll('.thumbnail-entry img').forEach(img => {
img.style.width = `${200 * thumbnailZoomFactor}px`;
});
};
const handleCtrlZoom = event => {
if (!isThumbnailViewActive || !event.ctrlKey) return;
if (['=', 'Add', 'NumpadAdd'].includes(event.key) && thumbnailZoomFactor < MAX_ZOOM) {
event.preventDefault();
event.stopImmediatePropagation();
thumbnailZoomFactor += ZOOM_STEP;
updateThumbnailZoom();
} else if (['-', 'Subtract', 'NumpadSubtract'].includes(event.key) && thumbnailZoomFactor > MIN_ZOOM) {
event.preventDefault();
event.stopImmediatePropagation();
thumbnailZoomFactor -= ZOOM_STEP;
updateThumbnailZoom();
}
};
const attachZoomListeners = () => {
window.addEventListener('keydown', handleCtrlZoom, true);
document.querySelectorAll('iframe').forEach(iframe => {
try {
(iframe.contentDocument || iframe.contentWindow.document)
.addEventListener('keydown', handleCtrlZoom, true);
} catch (err) {
console.error('Error attaching zoom listener:', err);
}
});
};
const detachZoomListeners = () => {
window.removeEventListener('keydown', handleCtrlZoom, true);
document.querySelectorAll('iframe').forEach(iframe => {
try {
(iframe.contentDocument || iframe.contentWindow.document)
.removeEventListener('keydown', handleCtrlZoom, true);
} catch (err) {
console.error('Error detaching zoom listener:', err);
}
});
};
// Update text direction and re-render thumbnails (flat or grouped)
const setTextDirection = direction => {
currentTextDirection = direction;
if (thumbnailOverlay) {
thumbnailOverlay.style.direction = direction;
updateOverlayPosition();
// When RTL, add extra padding on the right.
if (direction === 'rtl') {
thumbnailOverlay.style.padding = '10px 20px 10px 10px'; // top, right, bottom, left
} else {
thumbnailOverlay.style.padding = '10px';
}
}
if (!isGroupingEnabled && !isSectionGroupingEnabled) {
thumbnailOverlay.replaceChildren();
Object.keys(capturedPageData)
.map(Number)
.sort((a, b) => a - b)
.forEach(pageNum => {
const data = capturedPageData[pageNum];
if (data?.thumbEntry) {
thumbnailOverlay.appendChild(data.thumbEntry);
}
});
} else if (isGroupingEnabled) {
renderGroupedThumbnails();
} else if (isSectionGroupingEnabled) {
renderSectionGroupedPages();
}
};
// ---------------------------
// 6. Page Capture Module
// ---------------------------
const getCurrentPageNumber = () => {
const tooltip = document.querySelector('div.jfk-tooltip-contentId[style*="direction: ltr"]');
if (tooltip) {
const match = tooltip.textContent.match(/(\d+)\s+of/);
return match ? parseInt(match[1], 10) : null;
}
return null;
};
const getCurrentSelectedHeading = () => {
const headingElem = document.querySelector(
'#chapter-container-t\\.wf0m5iat3jku > div.chapter-item.chapter-item-subchapters-indent-enabled > div.updating-navigation-item-list > div.navigation-item-list.goog-container .navigation-item.location-indicator-highlight'
);
if (headingElem) {
const content = headingElem.querySelector('.navigation-item-content');
const headingText = content ? content.textContent.trim() : 'Unknown';
const levelMatch = content ? content.className.match(/navigation-item-level-(\d+)/) : null;
return { headingElem, headingText, navLevel: levelMatch ? parseInt(levelMatch[1], 10) : 0 };
}
return null;
};
const getHighestParentHeading = currentHeadingElem => {
const parentContainer = currentHeadingElem.parentNode;
const allHeadings = Array.from(parentContainer.querySelectorAll('.navigation-item'));
const currentIndex = allHeadings.indexOf(currentHeadingElem);
let highestHeading = currentHeadingElem, highestLevel = Infinity;
for (let i = currentIndex - 1; i >= 0; i--) {
const elem = allHeadings[i];
const content = elem.querySelector('.navigation-item-content');
if (content) {
const level = (content.className.match(/navigation-item-level-(\d+)/) || [])[1] || 0;
if (level < highestLevel) {
highestLevel = level;
highestHeading = elem;
}
}
}
const content = highestHeading.querySelector('.navigation-item-content');
return {
headingElem: highestHeading,
headingText: content ? content.textContent.trim() : 'Unknown',
navLevel: highestLevel === Infinity ? 0 : highestLevel
};
};
// ---------------------------
// 7. Grouping Functions (Heading Grouping)
// ---------------------------
const recordHeadingStartingPages = async () => {
// Disable document tabs while heading clicks are active.
disableDocumentTabs();
// Reset grouping array and ensure heading clicks can run.
headingGroupsArr = [];
cancelHeadingClicks = false;
const selectedTab = document.querySelector('.chapter-item-label-and-buttons-container-selected');
if (!selectedTab) {
console.warn("No selected tab found.");
enableDocumentTabs();
return;
}
const chapterItem = selectedTab.closest('.chapter-item');
if (!chapterItem) {
console.warn("Selected tab does not have a chapter-item parent.");
enableDocumentTabs();
return;
}
const navList = chapterItem.querySelector('.updating-navigation-item-list');
if (!navList) {
console.warn("No navigation item list found under the selected tab.");
enableDocumentTabs();
return;
}
const topLevelHeadings = Array.from(navList.querySelectorAll('.navigation-item')).filter(item => {
const content = item.querySelector('.navigation-item-content');
return content?.classList.contains('navigation-item-level-0');
});
const totalHeadings = topLevelHeadings.length;
let clickedCount = 0;
const progressBar = document.getElementById('headingProgressBar');
if (progressBar) {
progressBar.style.width = `0%`;
}
try {
for (const item of topLevelHeadings) {
if (cancelHeadingClicks) {
console.log("Heading click loop cancelled.");
break;
}
clickElement(item);
clickedCount++;
if (progressBar) {
progressBar.style.width = `${(clickedCount / totalHeadings) * 100}%`;
}
await sleep(500);
const currentPage = getCurrentPageNumber();
if (currentPage) {
const headingText = item.querySelector('.navigation-item-content')?.textContent.trim() || 'Unknown';
headingGroupsArr.push({ headingText, navLevel: 0, startingPage: currentPage, pages: new Set() });
}
}
} finally {
// Always re-enable document tabs after the loop completes or is interrupted.
enableDocumentTabs();
}
};
const assignPagesToGroups = () => {
headingGroupsArr.sort((a, b) => a.startingPage - b.startingPage);
const capturedPageNumbers = Object.keys(capturedPageData).map(Number).sort((a, b) => a - b);
const groupsByStartingPage = {};
headingGroupsArr.forEach(group => {
groupsByStartingPage[group.startingPage] = groupsByStartingPage[group.startingPage] || [];
groupsByStartingPage[group.startingPage].push(group);
});
const distinctStartPages = Object.keys(groupsByStartingPage).map(Number).sort((a, b) => a - b);
distinctStartPages.forEach((sp, index) => {
const nextSP = index < distinctStartPages.length - 1 ? distinctStartPages[index + 1] : Infinity;
const pagesInRange = capturedPageNumbers.filter(pageNum => pageNum >= sp && pageNum < nextSP);
const groups = groupsByStartingPage[sp];
groups.forEach((group, idx) => {
group.pages = (idx < groups.length - 1)
? new Set(capturedPageNumbers.includes(sp) ? [sp] : [])
: new Set(pagesInRange);
});
});
};
const capturePages = () => {
if (!thumbnailOverlay) return;
const pages = Array.from(document.querySelectorAll('.kix-page-paginated'));
const scrollable = getScrollableElement();
pages.forEach((page, index) => {
const rotatingTileManager = page.closest('.kix-rotatingtilemanager.docs-ui-hit-region-surface');
if (rotatingTileManager && rotatingTileManager.parentElement &&
window.getComputedStyle(rotatingTileManager.parentElement).display === 'none') return;
let pageNumber = parseInt(page.style.zIndex, 10);
pageNumber = !isNaN(pageNumber) ? pageNumber + 1 : index + 1;
if (capturedPages.has(pageNumber)) return;
const canvas = page.querySelector('canvas.kix-canvas-tile-content');
if (!canvas) return;
// Force a reflow/repaint on the canvas.
canvas.style.display = 'none';
void canvas.offsetHeight;
canvas.style.display = '';
let dataUrl;
try {
dataUrl = canvas.toDataURL();
} catch (err) {
console.error('Error converting canvas to image:', err);
return;
}
let pageScrollPos = 0;
if (scrollable) {
const containerRect = scrollable.getBoundingClientRect();
const pageRect = page.getBoundingClientRect();
pageScrollPos = scrollable.scrollTop + (pageRect.top - containerRect.top);
}
const thumbEntry = document.createElement('div');
thumbEntry.className = 'thumbnail-entry';
thumbEntry.dataset.pageNumber = pageNumber;
thumbEntry.dataset.scrollPos = pageScrollPos;
Object.assign(thumbEntry.style, {
margin: '10px',
textAlign: 'center',
cursor: 'pointer',
opacity: '0',
transition: 'opacity 0.5s'
});
const img = document.createElement('img');
img.src = dataUrl;
img.style.width = `${200 * thumbnailZoomFactor}px`;
img.style.height = 'auto';
img.name = `page_${pageNumber}`;
thumbEntry.appendChild(img);
const pageLabel = document.createElement('div');
pageLabel.innerText = `Page ${pageNumber}`;
pageLabel.style.marginTop = '5px';
thumbEntry.appendChild(pageLabel);
thumbEntry.addEventListener('click', () => {
exitThumbnailView();
isGroupingEnabled = false;
isSectionGroupingEnabled = false;
const targetPos = parseInt(thumbEntry.dataset.scrollPos, 10);
if (scrollable) scrollable.scrollTop = targetPos;
});
if (!isGroupingEnabled && !isSectionGroupingEnabled) {
insertThumbnailInOrder(thumbEntry, pageNumber);
}
capturedPageData[pageNumber] = { thumbEntry, headings: new Set() };
setTimeout(() => { thumbEntry.style.opacity = '1'; }, 50);
capturedPages.add(pageNumber);
});
updateProgressBar();
};
const capturePagesWrapper = () => {
capturePages();
if (isGroupingEnabled) {
renderGroupedThumbnails();
} else if (isSectionGroupingEnabled) {
// Call without waiting so that scrolling is not blocked.
renderSectionGroupedPages();
}
};
const startObservingPages = () => {
const container = document.querySelector('.kix-rotatingtilemanager-content');
if (!container) return;
mutationObserver = new MutationObserver(() => {
clearTimeout(captureTimeoutId);
captureTimeoutId = setTimeout(capturePagesWrapper, 100);
});
mutationObserver.observe(container, { childList: true, subtree: true, attributes: true });
};
const stopObservingPages = () => {
if (mutationObserver) {
mutationObserver.disconnect();
mutationObserver = null;
}
};
// ---------------------------
// 8. Fast Scroll Simulation
// ---------------------------
const simulateScrollSequence = async () => {
const scrollable = getScrollableElement();
if (!scrollable) return;
scrollable.scrollTop = 0;
startObservingPages();
capturePagesWrapper();
const intervalId = setInterval(() => {
if (cancelScrollSequence) {
clearInterval(intervalId);
return;
}
const { scrollTop, clientHeight, scrollHeight } = scrollable;
const newScroll = scrollTop + clientHeight;
if (newScroll >= scrollHeight) {
scrollable.scrollTop = scrollHeight;
capturePagesWrapper();
if (progressBarInner) progressBarInner.style.background = '#2684fc';
clearInterval(intervalId);
console.log("Reached bottom of page, scroll sequence complete.");
recordHeadingStartingPages().then(() => {
assignPagesToGroups();
if (isGroupingEnabled) {
renderGroupedThumbnails();
}
});
} else {
scrollable.scrollTop = newScroll;
capturePagesWrapper();
}
}, 100);
};
// ---------------------------
// 9. Thumbnail View Toggle & Cleanup
// ---------------------------
const createProgressBar = () => {
if (!pagesViewButton) return;
progressBarContainer = document.createElement('div');
Object.assign(progressBarContainer.style, {
position: 'absolute',
top: '0',
left: '50%',
transform: 'translateX(-50%) translateY(1px)',
width: '60%',
height: '2px',
background: 'transparent',
pointerEvents: 'none'
});
progressBarInner = document.createElement('div');
Object.assign(progressBarInner.style, {
height: '100%',
width: '0%',
background: '#555'
});
progressBarContainer.appendChild(progressBarInner);
pagesViewButton.appendChild(progressBarContainer);
};
const removeProgressBar = () => {
progressBarContainer?.remove();
progressBarContainer = progressBarInner = null;
};
const updateProgressBar = () => {
if (!progressBarInner) return;
const tooltipElem = document.querySelector('div.jfk-tooltip-contentId[style*="direction: ltr"]');
if (!tooltipElem) return setTimeout(updateProgressBar, 500);
const match = tooltipElem.textContent.match(/of\s*(\d+)/);
if (!match) return;
const maxPages = parseInt(match[1], 10);
if (maxPages === 0) return;
const progressPercent = Math.min((capturedPages.size / maxPages) * 100, 100);
progressBarInner.style.width = progressPercent + '%';
};
const toggleThumbnailView = () => {
if (!isThumbnailViewActive) {
cancelScrollSequence = false;
// Reset heading click cancellation.
cancelHeadingClicks = false;
// Store the initially selected tab element.
initialSelectedTab = document.querySelector('.chapter-item-label-and-buttons-container.chapter-item-label-and-buttons-container-selected');
// Start monitoring the selected tab.
tabSelectionIntervalId = setInterval(() => {
// If the initially selected tab no longer exists or lost the selected class, close overlay.
if (!initialSelectedTab || !initialSelectedTab.classList.contains('chapter-item-label-and-buttons-container-selected')) {
console.log("Current tab is no longer selected. Closing overlay.");
exitThumbnailView();
}
}, 1000);
saveScrollPosition();
createThumbnailOverlay();
simulateScrollSequence();
isThumbnailViewActive = true;
attachZoomListeners();
createProgressBar();
createCustomMenu(pagesViewButton);
pagesViewButton.classList.add('active');
// Check for header bubble at the start.
const headerBubbleExists = document.querySelector('div.docs-bubble.kix-header-footer-bubble') &&
window.getComputedStyle(document.querySelector('div.docs-bubble.kix-header-footer-bubble')).display !== 'none';
if (headerBubbleExists) {
console.log("Header bubble detected on Pages View open; section grouping available.");
} else {
console.log("No header bubble detected on Pages View open; section grouping disabled.");
}
} else {
exitThumbnailView();
}
};
const exitThumbnailView = (skipRestore = false) => {
if (tabSelectionIntervalId) {
clearInterval(tabSelectionIntervalId);
tabSelectionIntervalId = null;
}
cancelHeadingClicks = true;
cancelScrollSequence = true;
removeThumbnailOverlay();
removeProgressBar();
document.getElementById('customMenu')?.remove();
if (!skipRestore) restoreScrollPosition();
stopObservingPages();
capturedPages.clear();
Object.keys(capturedPageData).forEach(key => delete capturedPageData[key]);
headingGroupsArr = [];
isThumbnailViewActive = false;
isGroupingEnabled = false;
isSectionGroupingEnabled = false;
detachZoomListeners();
pagesViewButton?.classList.remove('active');
};
// ---------------------------
// 10. Button Management
// ---------------------------
const waitForElement = (selector, timeout = 20000) =>
new Promise((resolve, reject) => {
const observer = new MutationObserver((_, obs) => {
const el = document.querySelector(selector);
if (el) {
obs.disconnect();
resolve(el);
}
});
observer.observe(document.body, { childList: true, subtree: true });
setTimeout(() => {
observer.disconnect();
reject(new Error(`Timeout waiting for element: ${selector}`));
}, timeout);
});
const addPagesViewButton = referenceElement => {
const newButton = document.createElement('div');
newButton.setAttribute('role', 'button');
newButton.className = 'goog-inline-block jfk-button jfk-button-standard kix-outlines-widget-header-add-chapter-button-icon custom-pages-view-button';
newButton.tabIndex = 0;
newButton.setAttribute('data-tooltip-class', 'kix-outlines-widget-header-add-chapter-button-tooltip');
newButton.setAttribute('aria-label', 'Pages view');
newButton.setAttribute('data-tooltip', 'Pages view');
const iconWrapper = document.createElement('div');
iconWrapper.className = 'docs-icon goog-inline-block';
const iconInner = document.createElement('div');
iconInner.className = 'docs-icon-img-container docs-icon-img docs-icon-editors-ia-content-copy';
iconInner.setAttribute('aria-hidden', 'true');
iconInner.textContent = '\u00A0';
iconWrapper.appendChild(iconInner);
newButton.appendChild(iconWrapper);
// Inject button styles.
const style = document.createElement('style');
style.textContent = `
.custom-pages-view-button {
user-select: none;
direction: ltr;
visibility: visible;
position: relative;
display: inline-block;
cursor: pointer;
font-size: 11px;
text-align: center;
white-space: nowrap;
line-height: 27px;
outline: 0;
color: #333;
border: 1px solid rgba(0,0,0,.1);
font-family: "Google Sans",Roboto,RobotoDraft,Helvetica,Arial,sans-serif;
font-weight: 500;
background-color: transparent;
background-image: none;
border-radius: 50%;
border-width: 0;
box-shadow: none;
min-width: unset;
height: 28px;
margin: 2px;
padding: 0;
width: 28px;
transition: background-color 0.3s ease;
}
.custom-pages-view-button:hover {
background-color: rgba(0,0,0,0.1);
}
.custom-pages-view-button.active,
.custom-menu-button.active {
background-color: rgba(0,0,0,0.1);
}
.custom-menu-button:focus,
.custom-menu-button:active {
outline: none !important;
border: none !important;
box-shadow: none !important;
}
.custom-menu-button.active {
outline: none !important;
border: none !important;
box-shadow: none !important;
background-color: rgba(0,0,0,0.1);
}
`;
document.head.appendChild(style);
referenceElement.parentNode.insertBefore(newButton, referenceElement.nextSibling);
pagesViewButton = newButton;
newButton.addEventListener('click', toggleThumbnailView);
};
const createCustomMenu = referenceButton => {
const menu = document.createElement('div');
menu.id = 'customMenu';
const rect = referenceButton.getBoundingClientRect();
Object.assign(menu.style, {
position: 'absolute',
left: (rect.left - 180) + 'px',
top: (rect.top - 55) + 'px',
width: '200px',
backgroundColor: '#fff',
borderRadius: '26px',
padding: '8px',
zIndex: '10001',
boxShadow: '0px 1px 4px rgba(0, 0, 0, 0.2)',
fontFamily: 'Roboto,RobotoDraft,Helvetica,Arial,sans-serif',
fontWeight: '400',
fontSize: '13px',
color: '#000',
cursor: 'default',
userSelect: 'none',
display: 'flex',
justifyContent: 'space-around',
alignItems: 'center'
});
for (let i = 1; i <= 4; i++) {
const btn = document.createElement('div');
btn.className = 'goog-inline-block jfk-button jfk-button-standard custom-pages-view-button custom-menu-button';
btn.tabIndex = 0;
Object.assign(btn.style, {
width: '28px',
height: '28px',
borderRadius: '50%',
cursor: 'pointer',
display: 'flex',
alignItems: 'center',
justifyContent: 'center'
});
if (i === 1) {
// Section grouping button
btn.setAttribute('data-tooltip', 'Section grouping');
} else if (i === 2) {
// Heading grouping button
btn.setAttribute('data-tooltip', 'Heading grouping');
} else if (i === 3) {
btn.setAttribute('data-tooltip', 'Left-to-right');
} else if (i === 4) {
btn.setAttribute('data-tooltip', 'Right-to-left');
}
btn.setAttribute('data-tooltip-class', 'kix-outlines-widget-header-add-chapter-button-tooltip');
const iconWrapper = document.createElement('div');
iconWrapper.className = 'docs-icon goog-inline-block goog-menuitem-icon';
iconWrapper.setAttribute('aria-hidden', 'true');
iconWrapper.style.userSelect = 'none';
const iconInner = document.createElement('div');
iconInner.className = 'docs-icon-img-container docs-icon-img';
iconInner.style.userSelect = 'none';
if (i === 1) {
// Section Grouping: square grid icon
iconInner.classList.add('docs-icon-editors-ia-square-grid-view');
btn.addEventListener('click', async () => {
isSectionGroupingEnabled = !isSectionGroupingEnabled;
btn.classList.toggle('active', isSectionGroupingEnabled);
if (isSectionGroupingEnabled) {
// First, check if header bubbles already exist.
let headerBubbles = Array.from(document.querySelectorAll('div.docs-bubble.kix-header-footer-bubble'))
.filter(bubble => window.getComputedStyle(bubble).display !== 'none');
if (!headerBubbles.length) {
// If not, trigger the header chain and wait until bubbles appear (up to 3000ms).
clickHeaderChain();
headerBubbles = await waitForHeaderBubbles(3000);
}
if (headerBubbles.length) {
renderSectionGroupedPages();
} else {
console.log("Header bubble not loaded; section grouping will not be applied.");
}
} else {
// Revert to flat view.
if (thumbnailOverlay) {
thumbnailOverlay.replaceChildren();
Object.keys(capturedPageData)
.map(Number)
.sort((a, b) => a - b)
.forEach(pageNum => {
const data = capturedPageData[pageNum];
if (data?.thumbEntry) {
thumbnailOverlay.appendChild(data.thumbEntry);
}
});
}
}
});
}
else if (i === 2) {
// Heading Grouping: header/footer icon
iconInner.classList.add('docs-icon-editors-ia-header-footer');
// Ensure the button is positioned relative to its container so the progress bar aligns correctly.
btn.style.position = 'relative';
btn.addEventListener('click', () => {
isGroupingEnabled = !isGroupingEnabled;
btn.classList.toggle('active', isGroupingEnabled);
if (isGroupingEnabled) {
renderGroupedThumbnails();
} else {
if (thumbnailOverlay) {
thumbnailOverlay.replaceChildren();
Object.keys(capturedPageData)
.map(Number)
.sort((a, b) => a - b)
.forEach(pageNum => {
const data = capturedPageData[pageNum];
if (data?.thumbEntry) {
thumbnailOverlay.appendChild(data.thumbEntry);
}
});
}
}
});
// Create a progress bar container similar to the pages view progress bar.
const headingProgressContainer = document.createElement('div');
Object.assign(headingProgressContainer.style, {
position: 'absolute',
top: '0',
left: '50%',
transform: 'translateX(-50%) translateY(1px)',
width: '60%',
height: '2px',
background: 'transparent',
pointerEvents: 'none'
});
const headingProgressInner = document.createElement('div');
headingProgressInner.id = 'headingProgressBar';
Object.assign(headingProgressInner.style, {
height: '100%',
width: '0%',
background: '#2684fc'
});
headingProgressContainer.appendChild(headingProgressInner);
btn.appendChild(headingProgressContainer);
}
else if (i === 3) {
iconInner.classList.add('docs-icon-text-ltr-20');
btn.addEventListener('click', () => {
setTextDirection('ltr');
document.querySelectorAll('#customMenu .custom-menu-button[data-tooltip="Left-to-right"], #customMenu .custom-menu-button[data-tooltip="Right-to-left"]')
.forEach(btnElem => {
btnElem.classList.toggle('active', btnElem.getAttribute('data-tooltip') === 'Left-to-right');
});
});
if (currentTextDirection === 'ltr') btn.classList.add('active');
} else if (i === 4) {
iconInner.classList.add('docs-icon-text-rtl-20');
btn.addEventListener('click', () => {
setTextDirection('rtl');
document.querySelectorAll('#customMenu .custom-menu-button[data-tooltip="Left-to-right"], #customMenu .custom-menu-button[data-tooltip="Right-to-left"]')
.forEach(btnElem => {
btnElem.classList.toggle('active', btnElem.getAttribute('data-tooltip') === 'Right-to-left');
});
});
if (currentTextDirection === 'rtl') btn.classList.add('active');
}
iconWrapper.appendChild(iconInner);
btn.appendChild(iconWrapper);
menu.appendChild(btn);
}
document.body.appendChild(menu);
return menu;
};
// ---------------------------
// 11. Grouped Thumbnails Rendering (Heading Grouping)
// ---------------------------
const renderGroupedThumbnails = () => {
if (!thumbnailOverlay) return;
thumbnailOverlay.replaceChildren();
headingGroupsArr.sort((a, b) => a.startingPage - b.startingPage).forEach(group => {
const groupContainer = document.createElement('div');
Object.assign(groupContainer.style, {
margin: '10px',
padding: '10px',
border: '1px solid #ccc',
borderRadius: '8px',
background: '#fff'
});
const headingTitle = document.createElement('div');
headingTitle.textContent = group.headingText;
headingTitle.style.fontWeight = 'bold';
headingTitle.style.marginBottom = '5px';
groupContainer.appendChild(headingTitle);
const thumbsContainer = document.createElement('div');
Object.assign(thumbsContainer.style, {
display: 'flex',
flexWrap: 'wrap',
gap: '8px'
});
Array.from(group.pages).sort((a, b) => a - b).forEach(pageNum => {
const data = capturedPageData[pageNum];
if (data?.thumbEntry) {
const thumbClone = data.thumbEntry.cloneNode(true);
thumbClone.addEventListener('click', () => {
exitThumbnailView();
const targetPos = parseInt(thumbClone.dataset.scrollPos, 10);
const scrollable = getScrollableElement();
if (scrollable) scrollable.scrollTop = targetPos;
});
thumbsContainer.appendChild(thumbClone);
}
});
groupContainer.appendChild(thumbsContainer);
thumbnailOverlay.appendChild(groupContainer);
});
};
// ---------------------------
// 11a. Section Grouping: Render Pages Grouped by Section
// ---------------------------
// Helper function to close unwanted menus (mimics the Borders and Shading behavior)
function closeMenusExcept(exceptionsSelectors = []) {
const allMenus = document.querySelectorAll(
'div.goog-menu.goog-menu-vertical.docs-material.shell-menu.goog-menu-noaccel, div.goog-menu.goog-menu-vertical.docs-material'
);
allMenus.forEach(menu => {
if (!exceptionsSelectors.some(selector => menu.matches(selector))) {
menu.style.display = 'none';
console.log('Closed unwanted menu:', menu);
}
});
// Additionally, click the document body to clear any overlays.
document.body.click();
}
// Asynchronous helper to ensure header bubbles are loaded
const ensureHeaderBubblesLoaded = async (pauseScroll = true) => {
// Check for existing visible header/footer bubbles.
let headerBubbles = Array.from(document.querySelectorAll('div.docs-bubble.kix-header-footer-bubble'))
.filter(bubble => window.getComputedStyle(bubble).display !== 'none');
if (headerBubbles.length) {
return headerBubbles;
}
// If no bubbles are found and pauseScroll is allowed, pause scroll simulation.
if (pauseScroll) {
cancelScrollSequence = true;
}
// --- Attempt 1: Direct click of "Header" ---
let headerLabel = document.querySelector('div.goog-menuitem[role="menuitem"] span.goog-menuitem-label[aria-label^="Header"]');
if (headerLabel) {
const headerMenuItem = headerLabel.closest('div.goog-menuitem[role="menuitem"]');
if (headerMenuItem) {
console.log("Clicking Header menu item.");
clickElement(headerMenuItem);
await sleep(300);
headerBubbles = await waitForHeaderBubbles();
if (headerBubbles.length) {
closeMenusExcept([]); // Remove any menus that remain.
return headerBubbles;
}
}
}
// --- Attempt 2: Click "Header & Footer" then "Header" ---
let headerFooterLabel = document.querySelector('div.goog-menuitem[role="menuitem"] span.goog-menuitem-label[aria-label*="Header & Footer"]');
if (headerFooterLabel) {
const headerFooterMenuItem = headerFooterLabel.closest('div.goog-menuitem[role="menuitem"]');
if (headerFooterMenuItem) {
console.log("Clicking Header & Footer menu item.");
clickElement(headerFooterMenuItem);
await sleep(300);
headerLabel = document.querySelector('div.goog-menuitem[role="menuitem"] span.goog-menuitem-label[aria-label^="Header"]');
if (headerLabel) {
const headerMenuItem = headerLabel.closest('div.goog-menuitem[role="menuitem"]');
if (headerMenuItem) {
console.log("Clicking Header menu item after Header & Footer.");
clickElement(headerMenuItem);
await sleep(300);
}
}
headerBubbles = await waitForHeaderBubbles();
if (headerBubbles.length) {
closeMenusExcept([]);
return headerBubbles;
}
}
}
// --- Attempt 3: Use the Insert menu to insert header/footer ---
const insertMenuButton = document.getElementById('docs-insert-menu');
if (insertMenuButton) {
console.log("Clicking Insert menu button to try to insert header and footer.");
clickElement(insertMenuButton);
await sleep(300);
let insertHeaderFooterLabel = document.querySelector('div.goog-menuitem span.goog-menuitem-label[aria-label*="Header & footer"]');
if (insertHeaderFooterLabel) {
const insertHeaderFooterMenuItem = insertHeaderFooterLabel.closest('div.goog-menuitem[role="menuitem"]');
if (insertHeaderFooterMenuItem) {
clickElement(insertHeaderFooterMenuItem);
await sleep(300);
headerLabel = document.querySelector('div.goog-menuitem[role="menuitem"] span.goog-menuitem-label[aria-label^="Header"]');
if (headerLabel) {
const headerMenuItem = headerLabel.closest('div.goog-menuitem[role="menuitem"]');
if (headerMenuItem) {
console.log("Clicking Header menu item after Insert menu.");
clickElement(headerMenuItem);
await sleep(300);
}
}
}
headerBubbles = await waitForHeaderBubbles();
if (headerBubbles.length) {
closeMenusExcept([]);
return headerBubbles;
}
}
}
console.log("Header/footer bubble elements still not found after all attempts.");
return headerBubbles;
};
// Updated renderSectionGroupedPages function that uses the helper above
const renderSectionGroupedPages = async () => {
if (!thumbnailOverlay) return;
// Ensure header bubbles are loaded (only if they aren't already)
const headerBubbles = await ensureHeaderBubblesLoaded();
if (!headerBubbles.length) {
console.log("Cannot proceed with section grouping; header bubbles are unavailable.");
return;
}
// Group pages by section using header bubble descriptions.
const sectionGroups = {};
headerBubbles.forEach((bubble, index) => {
const pageNumber = index + 1;
const descriptionSpan = bubble.querySelector('.kix-header-footer-bubble-description');
if (!descriptionSpan) {
console.log("Header/footer bubble description not found for page " + pageNumber);
return;
}
const text = descriptionSpan.textContent;
// Capture strings like "Section 1" from descriptions such as "Header - Section 1"
const match = text.match(/Section\s+\S+/);
const sectionKey = match ? match[0] : 'Unknown Section';
if (!sectionGroups[sectionKey]) sectionGroups[sectionKey] = new Set();
sectionGroups[sectionKey].add(pageNumber);
});
// Clear the overlay and build the grouped thumbnails.
thumbnailOverlay.replaceChildren();
Object.keys(sectionGroups).sort().forEach(sectionKey => {
const groupContainer = document.createElement('div');
Object.assign(groupContainer.style, {
margin: '10px',
padding: '10px',
border: '1px solid #ccc',
borderRadius: '8px',
background: '#fff'
});
const header = document.createElement('div');
header.textContent = sectionKey;
header.style.fontWeight = 'bold';
header.style.marginBottom = '5px';
groupContainer.appendChild(header);
const thumbsContainer = document.createElement('div');
Object.assign(thumbsContainer.style, {
display: 'flex',
flexWrap: 'wrap',
gap: '8px'
});
Array.from(sectionGroups[sectionKey]).sort((a, b) => a - b).forEach(pageNum => {
const data = capturedPageData[pageNum];
if (data?.thumbEntry) {
const thumbClone = data.thumbEntry.cloneNode(true);
thumbClone.addEventListener('click', () => {
exitThumbnailView();
const targetPos = parseInt(thumbClone.dataset.scrollPos, 10);
const scrollable = getScrollableElement();
if (scrollable) scrollable.scrollTop = targetPos;
});
thumbsContainer.appendChild(thumbClone);
}
});
groupContainer.appendChild(thumbsContainer);
thumbnailOverlay.appendChild(groupContainer);
});
};
// ---------------------------
// 12. Initialization
// ---------------------------
waitForElement('.kix-outlines-widget-header-add-chapter-button')
.then(addPagesViewButton)
.catch(console.error);
})();
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