Add basic support for Article view on iOS

This commit is contained in:
Maurice Parker 2020-07-06 21:14:05 -05:00
parent 52f1b9d036
commit 2e94ae9e8e
29 changed files with 2825 additions and 29 deletions

View File

@ -110,6 +110,18 @@ struct AppAssets {
return Image(systemName: "info.circle")
}()
#if os(macOS)
static var iconBackgroundColor: NSColor = {
return NSColor(named: "IconBackgroundColor")!
}()
#endif
#if os(iOS)
static var iconBackgroundColor: UIColor = {
return UIColor(named: "IconBackgroundColor")!
}()
#endif
static var nextArticleImage: Image = {
return Image(systemName: "chevron.down")
}()

View File

@ -193,6 +193,8 @@ final class AppDefaults: ObservableObject {
// MARK: Articles
@AppStorage(wrappedValue: false, Key.articleFullscreenAvailable, store: store) var articleFullscreenAvailable: Bool
@AppStorage(wrappedValue: false, Key.articleFullscreenEnabled, store: store) var articleFullscreenEnabled: Bool
// MARK: Refresh
var lastRefresh: Date? {
set {

View File

@ -16,13 +16,8 @@ struct ArticleContainerView: View {
var article: Article
@ViewBuilder var body: some View {
ArticleView()
ArticleView(sceneModel: sceneModel, articleModel: articleModel, article: article)
.modifier(ArticleToolbarModifier())
.environmentObject(articleModel)
.onAppear {
sceneModel.articleModel = articleModel
articleModel.delegate = sceneModel
}
}
}

View File

@ -14,12 +14,37 @@ import Account
import Articles
protocol ArticleModelDelegate: class {
func timelineRequestedWebFeedSelection(_: TimelineModel, webFeed: WebFeed)
#if os(iOS)
var webViewProvider: WebViewProvider? { get }
#endif
func findPrevArticle(_: ArticleModel, article: Article) -> Article?
func findNextArticle(_: ArticleModel, article: Article) -> Article?
func selectArticle(_: ArticleModel, article: Article)
}
class ArticleModel: ObservableObject {
weak var delegate: ArticleModelDelegate?
#if os(iOS)
var webViewProvider: WebViewProvider? {
return delegate?.webViewProvider
}
#endif
// MARK: API
func findPrevArticle(_ article: Article) -> Article? {
return delegate?.findPrevArticle(self, article: article)
}
func findNextArticle(_ article: Article) -> Article? {
return delegate?.findNextArticle(self, article: article)
}
func selectArticle(_ article: Article) {
delegate?.selectArticle(self, article: article)
}
}

View File

@ -0,0 +1,11 @@
<html>
<head>
<style>
:root {
color-scheme: light dark;
}
</style>
</head>
<body>
</body>
</html>

View File

@ -0,0 +1,481 @@
var activeImageViewer = null;
class ImageViewer {
constructor(img) {
this.img = img;
this.loadingInterval = null;
this.activityIndicator = "data:image/svg+xml;base64,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";
}
isLoaded() {
return this.img.classList.contains("nnwLoaded");
}
clicked() {
this.showLoadingIndicator();
if (this.isLoaded()) {
this.showViewer();
} else {
var callback = () => {
if (this.isLoaded()) {
clearInterval(this.loadingInterval);
this.showViewer();
}
}
this.loadingInterval = setInterval(callback, 100);
}
}
cancel() {
clearInterval(this.loadingInterval);
this.hideLoadingIndicator();
}
showViewer() {
this.hideLoadingIndicator();
var canvas = document.createElement("canvas");
var pixelRatio = window.devicePixelRatio;
do {
canvas.width = this.img.naturalWidth * pixelRatio;
canvas.height = this.img.naturalHeight * pixelRatio;
pixelRatio--;
} while (pixelRatio > 0 && canvas.width * canvas.height > 16777216)
canvas.getContext("2d").drawImage(this.img, 0, 0, canvas.width, canvas.height);
const rect = this.img.getBoundingClientRect();
const message = {
x: rect.x,
y: rect.y,
width: rect.width,
height: rect.height,
imageTitle: this.img.title,
imageURL: canvas.toDataURL(),
};
var jsonMessage = JSON.stringify(message);
window.webkit.messageHandlers.imageWasClicked.postMessage(jsonMessage);
}
hideImage() {
this.img.style.opacity = 0;
}
showImage() {
this.img.style.opacity = 1
}
showLoadingIndicator() {
var wrapper = document.createElement("div");
wrapper.classList.add("activityIndicatorWrap");
this.img.parentNode.insertBefore(wrapper, this.img);
wrapper.appendChild(this.img);
var activityIndicatorImg = document.createElement("img");
activityIndicatorImg.classList.add("activityIndicator");
activityIndicatorImg.style.opacity = 0;
activityIndicatorImg.src = this.activityIndicator;
wrapper.appendChild(activityIndicatorImg);
activityIndicatorImg.style.opacity = 1;
}
hideLoadingIndicator() {
var wrapper = this.img.parentNode;
if (wrapper.classList.contains("activityIndicatorWrap")) {
var wrapperParent = wrapper.parentNode;
wrapperParent.insertBefore(this.img, wrapper);
wrapperParent.removeChild(wrapper);
}
}
static init() {
cancelImageLoad();
// keep track of when an image has finished downloading for ImageViewer
document.querySelectorAll("img").forEach(element => {
element.onload = function() {
this.classList.add("nnwLoaded");
}
});
// Add the click listener for images
window.onclick = function(event) {
if (event.target.matches("img") && !event.target.classList.contains("nnw-nozoom")) {
if (activeImageViewer && activeImageViewer.img === event.target) {
cancelImageLoad();
} else {
cancelImageLoad();
activeImageViewer = new ImageViewer(event.target);
activeImageViewer.clicked();
}
}
}
}
}
function cancelImageLoad() {
if (activeImageViewer) {
activeImageViewer.cancel();
activeImageViewer = null;
}
}
function hideClickedImage() {
if (activeImageViewer) {
activeImageViewer.hideImage();
}
}
// Used to animate the transition from a fullscreen image
function showClickedImage() {
if (activeImageViewer) {
activeImageViewer.showImage();
}
window.webkit.messageHandlers.imageWasShown.postMessage("");
}
function showFeedInspectorSetup() {
document.getElementById("nnwImageIcon").onclick = function(event) {
window.webkit.messageHandlers.showFeedInspector.postMessage("");
}
}
function postRenderProcessing() {
ImageViewer.init();
showFeedInspectorSetup();
}
function makeHighlightRect({left, top, width, height}, offsetTop=0, offsetLeft=0) {
const overlay = document.createElement('a');
Object.assign(overlay.style, {
position: 'absolute',
left: `${Math.floor(left + offsetLeft)}px`,
top: `${Math.floor(top + offsetTop)}px`,
width: `${Math.ceil(width)}px`,
height: `${Math.ceil(height)}px`,
backgroundColor: 'rgba(200, 220, 10, 0.4)',
pointerEvents: 'none'
});
return overlay;
}
function clearHighlightRects() {
let container = document.getElementById('nnw:highlightContainer')
if (container) container.remove();
}
function highlightRects(rects, clearOldRects=true, makeHighlightRect=makeHighlightRect) {
const article = document.querySelector('article');
let container = document.getElementById('nnw:highlightContainer');
article.style.position = 'relative';
if (container && clearOldRects)
container.remove();
container = document.createElement('div');
container.id = 'nnw:highlightContainer';
article.appendChild(container);
const {top, left} = article.getBoundingClientRect();
return Array.from(rects, rect =>
container.appendChild(makeHighlightRect(rect, -top, -left))
);
}
FinderResult = class {
constructor(result) {
Object.assign(this, result);
}
range() {
const range = document.createRange();
range.setStart(this.node, this.offset);
range.setEnd(this.node, this.offsetEnd);
return range;
}
bounds() {
return this.range().getBoundingClientRect();
}
rects() {
return this.range().getClientRects();
}
highlight({clearOldRects=true, fn=makeHighlightRect} = {}) {
highlightRects(this.rects(), clearOldRects, fn);
}
scrollTo() {
scrollToRect(this.bounds(), this.node);
}
toJSON() {
return {
rects: Array.from(this.rects()),
bounds: this.bounds(),
index: this.index,
matchGroups: this.match
};
}
toJSONString() {
return JSON.stringify(this.toJSON());
}
}
Finder = class {
constructor(pattern, options) {
if (!pattern.global) {
pattern = new RegExp(pattern, 'g');
}
this.pattern = pattern;
this.lastResult = null;
this._nodeMatches = [];
this.options = {
rootSelector: '.articleBody',
startNode: null,
startOffset: null,
}
this.resultIndex = -1
Object.assign(this.options, options);
this.walker = document.createTreeWalker(this.root, NodeFilter.SHOW_TEXT);
}
get root() {
return document.querySelector(this.options.rootSelector)
}
get count() {
const node = this.walker.currentNode;
const index = this.resultIndex;
this.reset();
let result, count = 0;
while ((result = this.next())) ++count;
this.resultIndex = index;
this.walker.currentNode = node;
return count;
}
reset() {
this.walker.currentNode = this.options.startNode || this.root;
this.resultIndex = -1;
}
[Symbol.iterator]() {
return this;
}
next({wrap = false} = {}) {
const { startNode } = this.options;
const { pattern, walker } = this;
let { node, matchIndex = -1 } = this.lastResult || { node: startNode };
while (true) {
if (!node)
node = walker.nextNode();
if (!node) {
if (!wrap || this.resultIndex < 0) break;
this.reset();
continue;
}
let nextIndex = matchIndex + 1;
let matches = this._nodeMatches;
if (!matches.length) {
matches = Array.from(node.textContent.matchAll(pattern));
nextIndex = 0;
}
if (matches[nextIndex]) {
this._nodeMatches = matches;
const m = matches[nextIndex];
this.lastResult = new FinderResult({
node,
offset: m.index,
offsetEnd: m.index + m[0].length,
text: m[0],
match: m,
matchIndex: nextIndex,
index: ++this.resultIndex,
});
return { value: this.lastResult, done: false };
}
this._nodeMatches = [];
node = null;
}
return { value: undefined, done: true };
}
/// TODO Call when the search text changes
retry() {
if (this.lastResult) {
this.lastResult.offsetEnd = this.lastResult.offset;
}
}
toJSON() {
const results = Array.from(this);
}
}
function scrollParent(node) {
let elt = node.nodeType === Node.ELEMENT_NODE ? node : node.parentElement;
while (elt) {
if (elt.scrollHeight > elt.clientHeight)
return elt;
elt = elt.parentElement;
}
}
function scrollToRect({top, height}, node, pad=20, padBottom=60) {
const scrollToTop = top - pad;
let scrollBy = scrollToTop;
if (scrollToTop >= 0) {
const visible = window.visualViewport;
const scrollToBottom = top + height + padBottom - visible.height;
// The top of the rect is already in the viewport
if (scrollToBottom <= 0 || scrollToTop === 0)
// Don't need to scroll up--or can't
return;
scrollBy = Math.min(scrollToBottom, scrollBy);
}
scrollParent(node).scrollBy({ top: scrollBy });
}
function withEncodedArg(fn) {
return function(encodedData, ...rest) {
const data = encodedData && JSON.parse(atob(encodedData));
return fn(data, ...rest);
}
}
function escapeRegex(s) {
return s.replace(/[.?*+^$\\()[\]{}]/g, '\\$&');
}
class FindState {
constructor(options) {
let { text, caseSensitive, regex } = options;
if (!regex)
text = escapeRegex(text);
const finder = new Finder(new RegExp(text, caseSensitive ? 'g' : 'ig'));
this.results = Array.from(finder);
this.index = -1;
this.options = options;
}
get selected() {
return this.index > -1 ? this.results[this.index] : null;
}
toJSON() {
return {
index: this.index > -1 ? this.index : null,
results: this.results,
count: this.results.length
};
}
selectNext(step=1) {
const index = this.index + step;
const result = this.results[index];
if (result) {
this.index = index;
result.highlight();
result.scrollTo();
}
return result;
}
selectPrevious() {
return this.selectNext(-1);
}
}
CurrentFindState = null;
const ExcludeKeys = new Set(['top', 'right', 'bottom', 'left']);
updateFind = withEncodedArg(options => {
// TODO Start at the current result position
// TODO Introduce slight delay, cap the number of results, and report results asynchronously
let newFindState;
if (!options || !options.text) {
clearHighlightRects();
return
}
try {
newFindState = new FindState(options);
} catch (err) {
clearHighlightRects();
throw err;
}
if (newFindState.results.length) {
let selected = CurrentFindState && CurrentFindState.selected;
let selectIndex = 0;
if (selected) {
let {node: currentNode, offset: currentOffset} = selected;
selectIndex = newFindState.results.findIndex(r => {
if (r.node === currentNode) {
return r.offset >= currentOffset;
}
let relation = currentNode.compareDocumentPosition(r.node);
return Boolean(relation & Node.DOCUMENT_POSITION_FOLLOWING);
});
}
newFindState.selectNext(selectIndex+1);
} else {
clearHighlightRects();
}
CurrentFindState = newFindState;
return btoa(JSON.stringify(CurrentFindState, (k, v) => (ExcludeKeys.has(k) ? undefined : v)));
});
selectNextResult = withEncodedArg(options => {
if (CurrentFindState)
CurrentFindState.selectNext();
});
selectPreviousResult = withEncodedArg(options => {
if (CurrentFindState)
CurrentFindState.selectPrevious();
});
function endFind() {
clearHighlightRects()
CurrentFindState = null;
}

View File

@ -0,0 +1,22 @@
<html>
<head>
<title>[[title]]</title>
<meta name="viewport" content="width=device-width, initial-scale=1">
<style>
[[style]]
</style>
<script src="main.js"></script>
<script src="main_multiplatform.js"></script>
<script src="newsfoot.js" async="async"></script>
<script type="text/javascript">
document.addEventListener("DOMContentLoaded", function(event) {
window.scrollTo(0, [[windowScrollY]]);
processPage();
})
</script>
<base href="[[baseURL]]">
</head>
<body>
[[body]]
</body>
</html>

View File

@ -0,0 +1,66 @@
body {
margin-top: 3px;
margin-bottom: 20px;
padding-left: 20px;
padding-right: 20px;
word-break: break-word;
-webkit-hyphens: auto;
-webkit-text-size-adjust: none;
}
:root {
color-scheme: light dark;
font: -apple-system-body;
font-size: [[font-size]]px;
--primary-accent-color: #086AEE;
--secondary-accent-color: #086AEE;
--block-quote-border-color: rgba(8, 106, 238, 0.75);
}
@media(prefers-color-scheme: dark) {
:root {
--primary-accent-color: #2D80F1;
--secondary-accent-color: #5E9EF4;
--block-quote-border-color: rgba(94, 158, 244, 0.75);
--header-table-border-color: rgba(255, 255, 255, 0.2);
}
}
body a, body a:link, body a:visited {
color: var(--secondary-accent-color);
}
body .header {
font: -apple-system-body;
font-size: [[font-size]]px;
}
body .header a:link, body .header a:visited {
color: var(--primary-accent-color);
}
.avatar img {
border-radius: 4px;
}
pre {
border: 1px solid var(--secondary-accent-color);
padding: 5px;
}
.nnw-overflow table {
border: 1px solid var(--secondary-accent-color);
}
.activityIndicatorWrap {
position: relative;
}
.activityIndicator {
z-index: 1;
width: 64px;
height: 64px;
position: absolute;
top: 50%;
left: 50%;
transform: translate(-50%, -50%);
}

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@ -0,0 +1,38 @@
{
"colors" : [
{
"color" : {
"color-space" : "srgb",
"components" : {
"alpha" : "1.000",
"blue" : "0.929",
"green" : "0.922",
"red" : "0.922"
}
},
"idiom" : "universal"
},
{
"appearances" : [
{
"appearance" : "luminosity",
"value" : "dark"
}
],
"color" : {
"color-space" : "srgb",
"components" : {
"alpha" : "1.000",
"blue" : "0.220",
"green" : "0.220",
"red" : "0.220"
}
},
"idiom" : "universal"
}
],
"info" : {
"author" : "xcode",
"version" : 1
}
}

View File

@ -8,6 +8,7 @@
import Foundation
import Account
import Articles
final class SceneModel: ObservableObject {
@ -18,11 +19,25 @@ final class SceneModel: ObservableObject {
var articleModel: ArticleModel?
private var refreshProgressModel: RefreshProgressModel? = nil
#if os(iOS)
private var _webViewProvider: WebViewProvider? = nil
#endif
// MARK: API
func startup() {
self.refreshProgressModel = RefreshProgressModel()
self.refreshProgressModel!.$state.assign(to: self.$refreshProgressState)
#if os(iOS)
self._webViewProvider = WebViewProvider(sceneModel: self)
#endif
}
func articleFor(_ articleID: String) -> Article? {
return timelineModel?.articleFor(articleID)
}
}
// MARK: SidebarModelDelegate
@ -48,6 +63,29 @@ extension SceneModel: TimelineModelDelegate {
// MARK: ArticleModelDelegate
extension SceneModel: ArticleModelDelegate {
#if os(iOS)
var webViewProvider: WebViewProvider? {
return _webViewProvider
}
#endif
func findPrevArticle(_: ArticleModel, article: Article) -> Article? {
return timelineModel?.findPrevArticle(article)
}
func findNextArticle(_: ArticleModel, article: Article) -> Article? {
return timelineModel?.findNextArticle(article)
}
func selectArticle(_: ArticleModel, article: Article) {
timelineModel?.selectArticle(article)
}
}
// MARK: Private
private extension SceneModel {
}

View File

@ -6,8 +6,6 @@
// Copyright © 2020 Ranchero Software. All rights reserved.
//
import Foundation
import SwiftUI
struct TimelineToolbarModifier: ViewModifier {

View File

@ -18,6 +18,7 @@ struct TimelineContainerView: View {
@ViewBuilder var body: some View {
if let feed = feed {
TimelineView()
.modifier(TimelineTitleModifier(title: feed.nameForDisplay))
.modifier(TimelineToolbarModifier())
.environmentObject(timelineModel)
.onAppear {

View File

@ -27,8 +27,21 @@ class TimelineModel: ObservableObject {
private var exceptionArticleFetcher: ArticleFetcher?
private var isReadFiltered = false
private var articles = [Article]()
private var articles = [Article]() {
didSet {
articleDictionaryNeedsUpdate = true
}
}
private var articleDictionaryNeedsUpdate = true
private var _idToArticleDictionary = [String: Article]()
private var idToAticleDictionary: [String: Article] {
if articleDictionaryNeedsUpdate {
rebuildArticleDictionaries()
}
return _idToArticleDictionary
}
private var sortDirection = AppDefaults.shared.timelineSortDirection {
didSet {
if sortDirection != oldValue {
@ -63,6 +76,28 @@ class TimelineModel: ObservableObject {
}
}
func articleFor(_ articleID: String) -> Article? {
return idToAticleDictionary[articleID]
}
func findPrevArticle(_ article: Article) -> Article? {
guard let index = articles.firstIndex(of: article), index > 0 else {
return nil
}
return articles[index - 1]
}
func findNextArticle(_ article: Article) -> Article? {
guard let index = articles.firstIndex(of: article), index + 1 != articles.count else {
return nil
}
return articles[index + 1]
}
func selectArticle(_ article: Article) {
// TODO: Implement me!
}
}
// MARK: Private
@ -82,6 +117,15 @@ private extension TimelineModel {
// restoreSelection(savedSelection)
}
func rebuildArticleDictionaries() {
var idDictionary = [String: Article]()
articles.forEach { article in
idDictionary[article.articleID] = article
}
_idToArticleDictionary = idDictionary
articleDictionaryNeedsUpdate = false
}
// MARK: Article Fetching
func fetchAndReplaceArticlesAsync() {

View File

@ -0,0 +1,23 @@
//
// TimelineTitleModifier.swift
// NetNewsWire
//
// Created by Maurice Parker on 7/6/20.
// Copyright © 2020 Ranchero Software. All rights reserved.
//
import SwiftUI
struct TimelineTitleModifier: ViewModifier {
var title: String
func body(content: Content) -> some View {
#if os(macOS)
return content
#endif
#if os(iOS)
return content.navigationBarTitle(Text(verbatim: title), displayMode: .inline)
#endif
}
}

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@ -0,0 +1,16 @@
//
// ArticleExtractorButtonState.swift
// Multiplatform iOS
//
// Created by Maurice Parker on 7/6/20.
// Copyright © 2020 Ranchero Software. All rights reserved.
//
import Foundation
enum ArticleExtractorButtonState {
case error
case animated
case on
case off
}

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//
// ArticleIconSchemeHandler.swift
// Multiplatform iOS
//
// Created by Maurice Parker on 7/6/20.
// Copyright © 2020 Ranchero Software. All rights reserved.
//
import Foundation
import WebKit
import Articles
class ArticleIconSchemeHandler: NSObject, WKURLSchemeHandler {
weak var sceneModel: SceneModel?
init(sceneModel: SceneModel) {
self.sceneModel = sceneModel
}
func webView(_ webView: WKWebView, start urlSchemeTask: WKURLSchemeTask) {
guard let url = urlSchemeTask.request.url, let sceneModel = sceneModel else {
urlSchemeTask.didFailWithError(URLError(.fileDoesNotExist))
return
}
guard let components = URLComponents(url: url, resolvingAgainstBaseURL: false) else {
return
}
let articleID = components.path
guard let iconImage = sceneModel.articleFor(articleID)?.iconImage() else {
urlSchemeTask.didFailWithError(URLError(.fileDoesNotExist))
return
}
let iconView = IconView(frame: CGRect(x: 0, y: 0, width: 48, height: 48))
iconView.iconImage = iconImage
let renderedImage = iconView.asImage()
guard let data = renderedImage.dataRepresentation() else {
urlSchemeTask.didFailWithError(URLError(.fileDoesNotExist))
return
}
let headerFields = ["Cache-Control": "no-cache"]
if let response = HTTPURLResponse(url: url, statusCode: 200, httpVersion: nil, headerFields: headerFields) {
urlSchemeTask.didReceive(response)
urlSchemeTask.didReceive(data)
urlSchemeTask.didFinish()
}
}
func webView(_ webView: WKWebView, stop urlSchemeTask: WKURLSchemeTask) {
urlSchemeTask.didFailWithError(URLError(.unknown))
}
}

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@ -7,15 +7,43 @@
//
import SwiftUI
import Articles
struct ArticleView: View {
var body: some View {
Text(/*@START_MENU_TOKEN@*/"Hello, World!"/*@END_MENU_TOKEN@*/)
}
final class ArticleView: UIViewControllerRepresentable {
var sceneModel: SceneModel
var articleModel: ArticleModel
var article: Article
init(sceneModel: SceneModel, articleModel: ArticleModel, article: Article) {
self.sceneModel = sceneModel
self.articleModel = articleModel
self.article = article
sceneModel.articleModel = articleModel
articleModel.delegate = sceneModel
}
func makeUIViewController(context: Context) -> ArticleViewController {
let controller = ArticleViewController()
controller.articleModel = articleModel
controller.article = article
return controller
}
func updateUIViewController(_ uiViewController: ArticleViewController, context: Context) {
}
}
struct ArticleView_Previews: PreviewProvider {
static var previews: some View {
ArticleView()
}
}
//struct ArticleView: View {
//
// var sceneModel: SceneModel
// var articleModel: ArticleModel
// var article: Article
//
// var body: some View {
// ArticleViewControllerAdapter(sceneModel: sceneModel, articleModel: articleModel, article: article)
// }
//
//}

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//
// ArticleViewController.swift
// Multiplatform iOS
//
// Created by Maurice Parker on 7/6/20.
// Copyright © 2020 Ranchero Software. All rights reserved.
//
import UIKit
import WebKit
import Account
import Articles
import SafariServices
class ArticleViewController: UIViewController {
weak var articleModel: ArticleModel?
private var pageViewController: UIPageViewController!
private var currentWebViewController: WebViewController? {
return pageViewController?.viewControllers?.first as? WebViewController
}
var article: Article? {
didSet {
if let controller = currentWebViewController, controller.article != article {
controller.setArticle(article)
DispatchQueue.main.async {
// You have to set the view controller to clear out the UIPageViewController child controller cache.
// You also have to do it in an async call or you will get a strange assertion error.
self.pageViewController.setViewControllers([controller], direction: .forward, animated: false, completion: nil)
}
}
}
}
override func viewDidLoad() {
super.viewDidLoad()
pageViewController = UIPageViewController(transitionStyle: .scroll, navigationOrientation: .horizontal, options: [:])
pageViewController.delegate = self
pageViewController.dataSource = self
pageViewController.view.translatesAutoresizingMaskIntoConstraints = false
view.addSubview(pageViewController.view)
addChild(pageViewController!)
NSLayoutConstraint.activate([
view.leadingAnchor.constraint(equalTo: pageViewController.view.leadingAnchor),
view.trailingAnchor.constraint(equalTo: pageViewController.view.trailingAnchor),
view.topAnchor.constraint(equalTo: pageViewController.view.topAnchor),
view.bottomAnchor.constraint(equalTo: pageViewController.view.bottomAnchor)
])
let controller = createWebViewController(article, updateView: true)
self.pageViewController.setViewControllers([controller], direction: .forward, animated: false, completion: nil)
}
// MARK: API
func focus() {
currentWebViewController?.focus()
}
func canScrollDown() -> Bool {
return currentWebViewController?.canScrollDown() ?? false
}
func scrollPageDown() {
currentWebViewController?.scrollPageDown()
}
func stopArticleExtractorIfProcessing() {
currentWebViewController?.stopArticleExtractorIfProcessing()
}
}
// MARK: WebViewControllerDelegate
extension ArticleViewController: WebViewControllerDelegate {
func webViewController(_ webViewController: WebViewController, articleExtractorButtonStateDidUpdate buttonState: ArticleExtractorButtonState) {
if webViewController === currentWebViewController {
// articleExtractorButton.buttonState = buttonState
}
}
}
// MARK: UIPageViewControllerDataSource
extension ArticleViewController: UIPageViewControllerDataSource {
func pageViewController(_ pageViewController: UIPageViewController, viewControllerBefore viewController: UIViewController) -> UIViewController? {
guard let webViewController = viewController as? WebViewController,
let currentArticle = webViewController.article,
let article = articleModel?.findPrevArticle(currentArticle) else {
return nil
}
return createWebViewController(article)
}
func pageViewController(_ pageViewController: UIPageViewController, viewControllerAfter viewController: UIViewController) -> UIViewController? {
guard let webViewController = viewController as? WebViewController,
let currentArticle = webViewController.article,
let article = articleModel?.findNextArticle(currentArticle) else {
return nil
}
return createWebViewController(article)
}
}
// MARK: UIPageViewControllerDelegate
extension ArticleViewController: UIPageViewControllerDelegate {
func pageViewController(_ pageViewController: UIPageViewController, didFinishAnimating finished: Bool, previousViewControllers: [UIViewController], transitionCompleted completed: Bool) {
guard finished, completed else { return }
guard let article = currentWebViewController?.article else { return }
articleModel?.selectArticle(article)
// articleExtractorButton.buttonState = currentWebViewController?.articleExtractorButtonState ?? .off
previousViewControllers.compactMap({ $0 as? WebViewController }).forEach({ $0.stopWebViewActivity() })
}
}
// MARK: UIGestureRecognizerDelegate
extension ArticleViewController: UIGestureRecognizerDelegate {
func gestureRecognizerShouldBegin(_ gestureRecognizer: UIGestureRecognizer) -> Bool {
return true
}
func gestureRecognizer(_ gestureRecognizer: UIGestureRecognizer, shouldRecognizeSimultaneouslyWith otherGestureRecognizer: UIGestureRecognizer) -> Bool {
let point = gestureRecognizer.location(in: nil)
if point.x > 40 {
return true
}
return false
}
}
// MARK: Private
private extension ArticleViewController {
func createWebViewController(_ article: Article?, updateView: Bool = true) -> WebViewController {
let controller = WebViewController()
controller.articleModel = articleModel
controller.delegate = self
controller.setArticle(article, updateView: updateView)
return controller
}
func resetWebViewController() {
articleModel?.webViewProvider?.flushQueue()
articleModel?.webViewProvider?.replenishQueueIfNeeded()
if let controller = currentWebViewController {
controller.fullReload()
self.pageViewController.setViewControllers([controller], direction: .forward, animated: false, completion: nil)
}
}
}

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//
// IconView.swift
// Multiplatform iOS
//
// Created by Maurice Parker on 7/6/20.
// Copyright © 2020 Ranchero Software. All rights reserved.
//
import UIKit
final class IconView: UIView {
var iconImage: IconImage? = nil {
didSet {
if iconImage !== oldValue {
imageView.image = iconImage?.image
if self.traitCollection.userInterfaceStyle == .dark {
if self.iconImage?.isDark ?? false {
self.isDisconcernable = false
self.setNeedsLayout()
} else {
self.isDisconcernable = true
self.setNeedsLayout()
}
} else {
if self.iconImage?.isBright ?? false {
self.isDisconcernable = false
self.setNeedsLayout()
} else {
self.isDisconcernable = true
self.setNeedsLayout()
}
}
self.setNeedsLayout()
}
}
}
private var isDisconcernable = true
private let imageView: UIImageView = {
let imageView = UIImageView(image: AppAssets.faviconTemplateImage)
imageView.contentMode = .scaleAspectFit
imageView.clipsToBounds = true
imageView.layer.cornerRadius = 4.0
return imageView
}()
private var isVerticalBackgroundExposed: Bool {
return imageView.frame.size.height < bounds.size.height
}
private var isSymbolImage: Bool {
return imageView.image?.isSymbolImage ?? false
}
override init(frame: CGRect) {
super.init(frame: frame)
commonInit()
}
required init?(coder: NSCoder) {
super.init(coder: coder)
commonInit()
}
convenience init() {
self.init(frame: .zero)
}
override func didMoveToSuperview() {
setNeedsLayout()
}
override func layoutSubviews() {
imageView.setFrameIfNotEqual(rectForImageView())
if (iconImage != nil && isVerticalBackgroundExposed && !isSymbolImage) || !isDisconcernable {
backgroundColor = AppAssets.iconBackgroundColor
} else {
backgroundColor = nil
}
}
}
private extension IconView {
func commonInit() {
layer.cornerRadius = 4
clipsToBounds = true
addSubview(imageView)
}
func rectForImageView() -> CGRect {
guard let image = iconImage?.image else {
return CGRect.zero
}
let imageSize = image.size
let viewSize = bounds.size
if imageSize.height == imageSize.width {
if imageSize.height >= viewSize.height * 0.75 {
// Close enough to viewSize to scale up the image.
return CGRect(x: 0.0, y: 0.0, width: viewSize.width, height: viewSize.height)
}
let offset = floor((viewSize.height - imageSize.height) / 2.0)
return CGRect(x: offset, y: offset, width: imageSize.width, height: imageSize.height)
}
else if imageSize.height > imageSize.width {
let factor = viewSize.height / imageSize.height
let width = imageSize.width * factor
let originX = floor((viewSize.width - width) / 2.0)
return CGRect(x: originX, y: 0.0, width: width, height: viewSize.height)
}
// Wider than tall: imageSize.width > imageSize.height
let factor = viewSize.width / imageSize.width
let height = imageSize.height * factor
let originY = floor((viewSize.height - height) / 2.0)
return CGRect(x: 0.0, y: originY, width: viewSize.width, height: height)
}
}

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@ -0,0 +1,361 @@
//
// ImageScrollView.swift
// Multiplatform iOS
//
// Created by Maurice Parker on 7/6/20.
// Copyright © 2020 Ranchero Software. All rights reserved.
//
import UIKit
@objc public protocol ImageScrollViewDelegate: UIScrollViewDelegate {
func imageScrollViewDidGestureSwipeUp(imageScrollView: ImageScrollView)
func imageScrollViewDidGestureSwipeDown(imageScrollView: ImageScrollView)
}
open class ImageScrollView: UIScrollView {
@objc public enum ScaleMode: Int {
case aspectFill
case aspectFit
case widthFill
case heightFill
}
@objc public enum Offset: Int {
case begining
case center
}
static let kZoomInFactorFromMinWhenDoubleTap: CGFloat = 2
@objc open var imageContentMode: ScaleMode = .widthFill
@objc open var initialOffset: Offset = .begining
@objc public private(set) var zoomView: UIImageView? = nil
@objc open weak var imageScrollViewDelegate: ImageScrollViewDelegate?
var imageSize: CGSize = CGSize.zero
private var pointToCenterAfterResize: CGPoint = CGPoint.zero
private var scaleToRestoreAfterResize: CGFloat = 1.0
var maxScaleFromMinScale: CGFloat = 3.0
var zoomedFrame: CGRect {
return zoomView?.frame ?? CGRect.zero
}
override open var frame: CGRect {
willSet {
if frame.equalTo(newValue) == false && newValue.equalTo(CGRect.zero) == false && imageSize.equalTo(CGSize.zero) == false {
prepareToResize()
}
}
didSet {
if frame.equalTo(oldValue) == false && frame.equalTo(CGRect.zero) == false && imageSize.equalTo(CGSize.zero) == false {
recoverFromResizing()
}
}
}
override public init(frame: CGRect) {
super.init(frame: frame)
initialize()
}
required public init?(coder aDecoder: NSCoder) {
super.init(coder: aDecoder)
initialize()
}
private func initialize() {
showsVerticalScrollIndicator = false
showsHorizontalScrollIndicator = false
bouncesZoom = true
decelerationRate = UIScrollView.DecelerationRate.fast
delegate = self
}
@objc public func adjustFrameToCenter() {
guard let unwrappedZoomView = zoomView else {
return
}
var frameToCenter = unwrappedZoomView.frame
// center horizontally
if frameToCenter.size.width < bounds.width {
frameToCenter.origin.x = (bounds.width - frameToCenter.size.width) / 2
} else {
frameToCenter.origin.x = 0
}
// center vertically
if frameToCenter.size.height < bounds.height {
frameToCenter.origin.y = (bounds.height - frameToCenter.size.height) / 2
} else {
frameToCenter.origin.y = 0
}
unwrappedZoomView.frame = frameToCenter
}
private func prepareToResize() {
let boundsCenter = CGPoint(x: bounds.midX, y: bounds.midY)
pointToCenterAfterResize = convert(boundsCenter, to: zoomView)
scaleToRestoreAfterResize = zoomScale
// If we're at the minimum zoom scale, preserve that by returning 0, which will be converted to the minimum
// allowable scale when the scale is restored.
if scaleToRestoreAfterResize <= minimumZoomScale + CGFloat(Float.ulpOfOne) {
scaleToRestoreAfterResize = 0
}
}
private func recoverFromResizing() {
setMaxMinZoomScalesForCurrentBounds()
// restore zoom scale, first making sure it is within the allowable range.
let maxZoomScale = max(minimumZoomScale, scaleToRestoreAfterResize)
zoomScale = min(maximumZoomScale, maxZoomScale)
// restore center point, first making sure it is within the allowable range.
// convert our desired center point back to our own coordinate space
let boundsCenter = convert(pointToCenterAfterResize, to: zoomView)
// calculate the content offset that would yield that center point
var offset = CGPoint(x: boundsCenter.x - bounds.size.width/2.0, y: boundsCenter.y - bounds.size.height/2.0)
// restore offset, adjusted to be within the allowable range
let maxOffset = maximumContentOffset()
let minOffset = minimumContentOffset()
var realMaxOffset = min(maxOffset.x, offset.x)
offset.x = max(minOffset.x, realMaxOffset)
realMaxOffset = min(maxOffset.y, offset.y)
offset.y = max(minOffset.y, realMaxOffset)
contentOffset = offset
}
private func maximumContentOffset() -> CGPoint {
return CGPoint(x: contentSize.width - bounds.width,y:contentSize.height - bounds.height)
}
private func minimumContentOffset() -> CGPoint {
return CGPoint.zero
}
// MARK: - Set up
open func setup() {
var topSupperView = superview
while topSupperView?.superview != nil {
topSupperView = topSupperView?.superview
}
// Make sure views have already layout with precise frame
topSupperView?.layoutIfNeeded()
}
// MARK: - Display image
@objc open func display(image: UIImage) {
if let zoomView = zoomView {
zoomView.removeFromSuperview()
}
zoomView = UIImageView(image: image)
zoomView!.isUserInteractionEnabled = true
addSubview(zoomView!)
let tapGesture = UITapGestureRecognizer(target: self, action: #selector(doubleTapGestureRecognizer(_:)))
tapGesture.numberOfTapsRequired = 2
zoomView!.addGestureRecognizer(tapGesture)
let downSwipeGesture = UISwipeGestureRecognizer(target: self, action: #selector(swipeUpGestureRecognizer(_:)))
downSwipeGesture.direction = .down
zoomView!.addGestureRecognizer(downSwipeGesture)
let upSwipeGesture = UISwipeGestureRecognizer(target: self, action: #selector(swipeDownGestureRecognizer(_:)))
upSwipeGesture.direction = .up
zoomView!.addGestureRecognizer(upSwipeGesture)
configureImageForSize(image.size)
adjustFrameToCenter()
}
private func configureImageForSize(_ size: CGSize) {
imageSize = size
contentSize = imageSize
setMaxMinZoomScalesForCurrentBounds()
zoomScale = minimumZoomScale
switch initialOffset {
case .begining:
contentOffset = CGPoint.zero
case .center:
let xOffset = contentSize.width < bounds.width ? 0 : (contentSize.width - bounds.width)/2
let yOffset = contentSize.height < bounds.height ? 0 : (contentSize.height - bounds.height)/2
switch imageContentMode {
case .aspectFit:
contentOffset = CGPoint.zero
case .aspectFill:
contentOffset = CGPoint(x: xOffset, y: yOffset)
case .heightFill:
contentOffset = CGPoint(x: xOffset, y: 0)
case .widthFill:
contentOffset = CGPoint(x: 0, y: yOffset)
}
}
}
private func setMaxMinZoomScalesForCurrentBounds() {
// calculate min/max zoomscale
let xScale = bounds.width / imageSize.width // the scale needed to perfectly fit the image width-wise
let yScale = bounds.height / imageSize.height // the scale needed to perfectly fit the image height-wise
var minScale: CGFloat = 1
switch imageContentMode {
case .aspectFill:
minScale = max(xScale, yScale)
case .aspectFit:
minScale = min(xScale, yScale)
case .widthFill:
minScale = xScale
case .heightFill:
minScale = yScale
}
let maxScale = maxScaleFromMinScale*minScale
// don't let minScale exceed maxScale. (If the image is smaller than the screen, we don't want to force it to be zoomed.)
if minScale > maxScale {
minScale = maxScale
}
maximumZoomScale = maxScale
minimumZoomScale = minScale // * 0.999 // the multiply factor to prevent user cannot scroll page while they use this control in UIPageViewController
}
// MARK: - Gesture
@objc func doubleTapGestureRecognizer(_ gestureRecognizer: UIGestureRecognizer) {
// zoom out if it bigger than middle scale point. Else, zoom in
if zoomScale >= maximumZoomScale / 2.0 {
setZoomScale(minimumZoomScale, animated: true)
} else {
let center = gestureRecognizer.location(in: gestureRecognizer.view)
let zoomRect = zoomRectForScale(ImageScrollView.kZoomInFactorFromMinWhenDoubleTap * minimumZoomScale, center: center)
zoom(to: zoomRect, animated: true)
}
}
@objc func swipeUpGestureRecognizer(_ gestureRecognizer: UIGestureRecognizer) {
if gestureRecognizer.state == .ended {
imageScrollViewDelegate?.imageScrollViewDidGestureSwipeUp(imageScrollView: self)
}
}
@objc func swipeDownGestureRecognizer(_ gestureRecognizer: UIGestureRecognizer) {
if gestureRecognizer.state == .ended {
imageScrollViewDelegate?.imageScrollViewDidGestureSwipeDown(imageScrollView: self)
}
}
private func zoomRectForScale(_ scale: CGFloat, center: CGPoint) -> CGRect {
var zoomRect = CGRect.zero
// the zoom rect is in the content view's coordinates.
// at a zoom scale of 1.0, it would be the size of the imageScrollView's bounds.
// as the zoom scale decreases, so more content is visible, the size of the rect grows.
zoomRect.size.height = frame.size.height / scale
zoomRect.size.width = frame.size.width / scale
// choose an origin so as to get the right center.
zoomRect.origin.x = center.x - (zoomRect.size.width / 2.0)
zoomRect.origin.y = center.y - (zoomRect.size.height / 2.0)
return zoomRect
}
open func refresh() {
if let image = zoomView?.image {
display(image: image)
}
}
open func resize() {
self.configureImageForSize(self.imageSize)
}
}
extension ImageScrollView: UIScrollViewDelegate {
public func scrollViewDidScroll(_ scrollView: UIScrollView) {
imageScrollViewDelegate?.scrollViewDidScroll?(scrollView)
}
public func scrollViewWillBeginDragging(_ scrollView: UIScrollView) {
imageScrollViewDelegate?.scrollViewWillBeginDragging?(scrollView)
}
public func scrollViewWillEndDragging(_ scrollView: UIScrollView, withVelocity velocity: CGPoint, targetContentOffset: UnsafeMutablePointer<CGPoint>) {
imageScrollViewDelegate?.scrollViewWillEndDragging?(scrollView, withVelocity: velocity, targetContentOffset: targetContentOffset)
}
public func scrollViewDidEndDragging(_ scrollView: UIScrollView, willDecelerate decelerate: Bool) {
imageScrollViewDelegate?.scrollViewDidEndDragging?(scrollView, willDecelerate: decelerate)
}
public func scrollViewWillBeginDecelerating(_ scrollView: UIScrollView) {
imageScrollViewDelegate?.scrollViewWillBeginDecelerating?(scrollView)
}
public func scrollViewDidEndDecelerating(_ scrollView: UIScrollView) {
imageScrollViewDelegate?.scrollViewDidEndDecelerating?(scrollView)
}
public func scrollViewDidEndScrollingAnimation(_ scrollView: UIScrollView) {
imageScrollViewDelegate?.scrollViewDidEndScrollingAnimation?(scrollView)
}
public func scrollViewWillBeginZooming(_ scrollView: UIScrollView, with view: UIView?) {
imageScrollViewDelegate?.scrollViewWillBeginZooming?(scrollView, with: view)
}
public func scrollViewDidEndZooming(_ scrollView: UIScrollView, with view: UIView?, atScale scale: CGFloat) {
imageScrollViewDelegate?.scrollViewDidEndZooming?(scrollView, with: view, atScale: scale)
}
public func scrollViewShouldScrollToTop(_ scrollView: UIScrollView) -> Bool {
return false
}
@available(iOS 11.0, *)
public func scrollViewDidChangeAdjustedContentInset(_ scrollView: UIScrollView) {
imageScrollViewDelegate?.scrollViewDidChangeAdjustedContentInset?(scrollView)
}
public func viewForZooming(in scrollView: UIScrollView) -> UIView? {
return zoomView
}
public func scrollViewDidZoom(_ scrollView: UIScrollView) {
adjustFrameToCenter()
imageScrollViewDelegate?.scrollViewDidZoom?(scrollView)
}
}

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//
// ImageTransition.swift
// Multiplatform iOS
//
// Created by Maurice Parker on 7/6/20.
// Copyright © 2020 Ranchero Software. All rights reserved.
//
import UIKit
class ImageTransition: NSObject, UIViewControllerAnimatedTransitioning {
private weak var webViewController: WebViewController?
private let duration = 0.4
var presenting = true
var originFrame: CGRect!
var maskFrame: CGRect!
var originImage: UIImage!
init(controller: WebViewController) {
self.webViewController = controller
}
func transitionDuration(using transitionContext: UIViewControllerContextTransitioning?) -> TimeInterval {
return duration
}
func animateTransition(using transitionContext: UIViewControllerContextTransitioning) {
if presenting {
animateTransitionPresenting(using: transitionContext)
} else {
animateTransitionReturning(using: transitionContext)
}
}
private func animateTransitionPresenting(using transitionContext: UIViewControllerContextTransitioning) {
let imageView = UIImageView(image: originImage)
imageView.frame = originFrame
let fromView = transitionContext.view(forKey: .from)!
fromView.removeFromSuperview()
transitionContext.containerView.backgroundColor = .systemBackground
transitionContext.containerView.addSubview(imageView)
webViewController?.hideClickedImage()
UIView.animate(
withDuration: duration,
delay:0.0,
usingSpringWithDamping: 0.8,
initialSpringVelocity: 0.2,
animations: {
let imageController = transitionContext.viewController(forKey: .to) as! ImageViewController
imageView.frame = imageController.zoomedFrame
}, completion: { _ in
imageView.removeFromSuperview()
let toView = transitionContext.view(forKey: .to)!
transitionContext.containerView.addSubview(toView)
transitionContext.completeTransition(true)
})
}
private func animateTransitionReturning(using transitionContext: UIViewControllerContextTransitioning) {
let imageController = transitionContext.viewController(forKey: .from) as! ImageViewController
let imageView = UIImageView(image: originImage)
imageView.frame = imageController.zoomedFrame
let fromView = transitionContext.view(forKey: .from)!
let windowFrame = fromView.window!.frame
fromView.removeFromSuperview()
let toView = transitionContext.view(forKey: .to)!
transitionContext.containerView.addSubview(toView)
let maskingView = UIView()
let fullMaskFrame = CGRect(x: windowFrame.minX, y: maskFrame.minY, width: windowFrame.width, height: maskFrame.height)
let path = UIBezierPath(rect: fullMaskFrame)
let maskLayer = CAShapeLayer()
maskLayer.path = path.cgPath
maskingView.layer.mask = maskLayer
maskingView.addSubview(imageView)
transitionContext.containerView.addSubview(maskingView)
UIView.animate(
withDuration: duration,
delay:0.0,
usingSpringWithDamping: 0.8,
initialSpringVelocity: 0.2,
animations: {
imageView.frame = self.originFrame
}, completion: { _ in
if let controller = self.webViewController {
controller.showClickedImage() {
DispatchQueue.main.asyncAfter(deadline: .now() + 0.1) {
imageView.removeFromSuperview()
transitionContext.completeTransition(true)
}
}
} else {
imageView.removeFromSuperview()
transitionContext.completeTransition(true)
}
})
}
}

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//
// ImageViewController.swift
// Multiplatform iOS
//
// Created by Maurice Parker on 7/6/20.
// Copyright © 2020 Ranchero Software. All rights reserved.
//
import UIKit
class ImageViewController: UIViewController {
@IBOutlet weak var closeButton: UIButton!
@IBOutlet weak var shareButton: UIButton!
@IBOutlet weak var imageScrollView: ImageScrollView!
@IBOutlet weak var titleLabel: UILabel!
@IBOutlet weak var titleBackground: UIVisualEffectView!
@IBOutlet weak var titleLeading: NSLayoutConstraint!
@IBOutlet weak var titleTrailing: NSLayoutConstraint!
var image: UIImage!
var imageTitle: String?
var zoomedFrame: CGRect {
return imageScrollView.zoomedFrame
}
override func viewDidLoad() {
super.viewDidLoad()
closeButton.imageView?.contentMode = .scaleAspectFit
closeButton.accessibilityLabel = NSLocalizedString("Close", comment: "Close")
shareButton.accessibilityLabel = NSLocalizedString("Share", comment: "Share")
imageScrollView.setup()
imageScrollView.imageScrollViewDelegate = self
imageScrollView.imageContentMode = .aspectFit
imageScrollView.initialOffset = .center
imageScrollView.display(image: image)
titleLabel.text = imageTitle ?? ""
layoutTitleLabel()
guard imageTitle != "" else {
titleBackground.removeFromSuperview()
return
}
titleBackground.layer.cornerRadius = 6
}
override func viewWillTransition(to size: CGSize, with coordinator: UIViewControllerTransitionCoordinator) {
super.viewWillTransition(to: size, with: coordinator)
coordinator.animate(alongsideTransition: { [weak self] context in
self?.imageScrollView.resize()
})
}
@IBAction func share(_ sender: Any) {
guard let image = image else { return }
let activityViewController = UIActivityViewController(activityItems: [image], applicationActivities: nil)
activityViewController.popoverPresentationController?.sourceView = shareButton
activityViewController.popoverPresentationController?.sourceRect = shareButton.bounds
present(activityViewController, animated: true)
}
@IBAction func done(_ sender: Any) {
dismiss(animated: true)
}
private func layoutTitleLabel(){
let width = view.frame.width
let multiplier = UIDevice.current.userInterfaceIdiom == .pad ? CGFloat(0.1) : CGFloat(0.04)
titleLeading.constant += width * multiplier
titleTrailing.constant -= width * multiplier
titleLabel.layoutIfNeeded()
}
}
// MARK: ImageScrollViewDelegate
extension ImageViewController: ImageScrollViewDelegate {
func imageScrollViewDidGestureSwipeUp(imageScrollView: ImageScrollView) {
dismiss(animated: true)
}
func imageScrollViewDidGestureSwipeDown(imageScrollView: ImageScrollView) {
dismiss(animated: true)
}
}

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@ -0,0 +1,75 @@
//
// PreloadedWebView.swift
// Multiplatform iOS
//
// Created by Maurice Parker on 7/6/20.
// Copyright © 2020 Ranchero Software. All rights reserved.
//
import Foundation
import WebKit
class PreloadedWebView: WKWebView {
private var isReady: Bool = false
private var readyCompletion: ((PreloadedWebView) -> Void)?
init(articleIconSchemeHandler: ArticleIconSchemeHandler) {
let preferences = WKPreferences()
preferences.javaScriptCanOpenWindowsAutomatically = false
preferences.javaScriptEnabled = true
let configuration = WKWebViewConfiguration()
configuration.preferences = preferences
configuration.setValue(true, forKey: "allowUniversalAccessFromFileURLs")
configuration.allowsInlineMediaPlayback = true
configuration.mediaTypesRequiringUserActionForPlayback = .audio
configuration.setURLSchemeHandler(articleIconSchemeHandler, forURLScheme: ArticleRenderer.imageIconScheme)
super.init(frame: .zero, configuration: configuration)
}
required init?(coder: NSCoder) {
super.init(coder: coder)
}
func preload() {
navigationDelegate = self
loadFileURL(ArticleRenderer.blank.url, allowingReadAccessTo: ArticleRenderer.blank.baseURL)
}
func ready(completion: @escaping (PreloadedWebView) -> Void) {
if isReady {
completeRequest(completion: completion)
} else {
readyCompletion = completion
}
}
}
// MARK: WKScriptMessageHandler
extension PreloadedWebView: WKNavigationDelegate {
func webView(_ webView: WKWebView, didFinish navigation: WKNavigation!) {
isReady = true
if let completion = readyCompletion {
completeRequest(completion: completion)
readyCompletion = nil
}
}
}
// MARK: Private
private extension PreloadedWebView {
func completeRequest(completion: @escaping (PreloadedWebView) -> Void) {
isReady = false
navigationDelegate = nil
completion(self)
}
}

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@ -0,0 +1,772 @@
//
// WebViewController.swift
// Multiplatform iOS
//
// Created by Maurice Parker on 7/6/20.
// Copyright © 2020 Ranchero Software. All rights reserved.
//
import UIKit
import WebKit
import RSCore
import Account
import Articles
import SafariServices
import MessageUI
protocol WebViewControllerDelegate: class {
func webViewController(_: WebViewController, articleExtractorButtonStateDidUpdate: ArticleExtractorButtonState)
}
class WebViewController: UIViewController {
private struct MessageName {
static let imageWasClicked = "imageWasClicked"
static let imageWasShown = "imageWasShown"
static let showFeedInspector = "showFeedInspector"
}
private var topShowBarsView: UIView!
private var bottomShowBarsView: UIView!
private var topShowBarsViewConstraint: NSLayoutConstraint!
private var bottomShowBarsViewConstraint: NSLayoutConstraint!
private var webView: PreloadedWebView? {
guard view.subviews.count > 0 else { return nil }
return view.subviews[0] as? PreloadedWebView
}
// private lazy var contextMenuInteraction = UIContextMenuInteraction(delegate: self)
private var isFullScreenAvailable: Bool {
return AppDefaults.shared.articleFullscreenAvailable && traitCollection.userInterfaceIdiom == .phone // && coordinator.isRootSplitCollapsed
}
private lazy var transition = ImageTransition(controller: self)
private var clickedImageCompletion: (() -> Void)?
private var articleExtractor: ArticleExtractor? = nil
var extractedArticle: ExtractedArticle? {
didSet {
windowScrollY = 0
}
}
var isShowingExtractedArticle = false
var articleExtractorButtonState: ArticleExtractorButtonState = .off {
didSet {
delegate?.webViewController(self, articleExtractorButtonStateDidUpdate: articleExtractorButtonState)
}
}
var articleModel: ArticleModel?
weak var delegate: WebViewControllerDelegate?
private(set) var article: Article?
let scrollPositionQueue = CoalescingQueue(name: "Article Scroll Position", interval: 0.3, maxInterval: 0.3)
var windowScrollY = 0
override func viewDidLoad() {
super.viewDidLoad()
NotificationCenter.default.addObserver(self, selector: #selector(webFeedIconDidBecomeAvailable(_:)), name: .WebFeedIconDidBecomeAvailable, object: nil)
NotificationCenter.default.addObserver(self, selector: #selector(avatarDidBecomeAvailable(_:)), name: .AvatarDidBecomeAvailable, object: nil)
NotificationCenter.default.addObserver(self, selector: #selector(faviconDidBecomeAvailable(_:)), name: .FaviconDidBecomeAvailable, object: nil)
// Configure the tap zones
// configureTopShowBarsView()
// configureBottomShowBarsView()
loadWebView()
}
// MARK: Notifications
@objc func webFeedIconDidBecomeAvailable(_ note: Notification) {
reloadArticleImage()
}
@objc func avatarDidBecomeAvailable(_ note: Notification) {
reloadArticleImage()
}
@objc func faviconDidBecomeAvailable(_ note: Notification) {
reloadArticleImage()
}
// MARK: Actions
// @objc func showBars(_ sender: Any) {
// showBars()
// }
// MARK: API
func setArticle(_ article: Article?, updateView: Bool = true) {
stopArticleExtractor()
if article != self.article {
self.article = article
if updateView {
if article?.webFeed?.isArticleExtractorAlwaysOn ?? false {
startArticleExtractor()
}
windowScrollY = 0
loadWebView()
}
}
}
func focus() {
webView?.becomeFirstResponder()
}
func canScrollDown() -> Bool {
guard let webView = webView else { return false }
return webView.scrollView.contentOffset.y < finalScrollPosition()
}
func scrollPageDown() {
guard let webView = webView else { return }
let overlap = 2 * UIFont.systemFont(ofSize: UIFont.systemFontSize).lineHeight * UIScreen.main.scale
let scrollToY: CGFloat = {
let fullScroll = webView.scrollView.contentOffset.y + webView.scrollView.layoutMarginsGuide.layoutFrame.height - overlap
let final = finalScrollPosition()
return fullScroll < final ? fullScroll : final
}()
let convertedPoint = self.view.convert(CGPoint(x: 0, y: 0), to: webView.scrollView)
let scrollToPoint = CGPoint(x: convertedPoint.x, y: scrollToY)
webView.scrollView.setContentOffset(scrollToPoint, animated: true)
}
func hideClickedImage() {
webView?.evaluateJavaScript("hideClickedImage();")
}
func showClickedImage(completion: @escaping () -> Void) {
clickedImageCompletion = completion
webView?.evaluateJavaScript("showClickedImage();")
}
func fullReload() {
loadWebView(replaceExistingWebView: true)
}
// func showBars() {
// AppDefaults.shared.articleFullscreenEnabled = false
// coordinator.showStatusBar()
// topShowBarsViewConstraint?.constant = 0
// bottomShowBarsViewConstraint?.constant = 0
// navigationController?.setNavigationBarHidden(false, animated: true)
// navigationController?.setToolbarHidden(false, animated: true)
// configureContextMenuInteraction()
// }
//
// func hideBars() {
// if isFullScreenAvailable {
// AppDefaults.shared.articleFullscreenEnabled = true
// coordinator.hideStatusBar()
// topShowBarsViewConstraint?.constant = -44.0
// bottomShowBarsViewConstraint?.constant = 44.0
// navigationController?.setNavigationBarHidden(true, animated: true)
// navigationController?.setToolbarHidden(true, animated: true)
// configureContextMenuInteraction()
// }
// }
func toggleArticleExtractor() {
guard let article = article else {
return
}
guard articleExtractor?.state != .processing else {
stopArticleExtractor()
loadWebView()
return
}
guard !isShowingExtractedArticle else {
isShowingExtractedArticle = false
loadWebView()
articleExtractorButtonState = .off
return
}
if let articleExtractor = articleExtractor {
if article.preferredLink == articleExtractor.articleLink {
isShowingExtractedArticle = true
loadWebView()
articleExtractorButtonState = .on
}
} else {
startArticleExtractor()
}
}
func stopArticleExtractorIfProcessing() {
if articleExtractor?.state == .processing {
stopArticleExtractor()
}
}
func stopWebViewActivity() {
if let webView = webView {
stopMediaPlayback(webView)
cancelImageLoad(webView)
}
}
}
// MARK: ArticleExtractorDelegate
extension WebViewController: ArticleExtractorDelegate {
func articleExtractionDidFail(with: Error) {
stopArticleExtractor()
articleExtractorButtonState = .error
loadWebView()
}
func articleExtractionDidComplete(extractedArticle: ExtractedArticle) {
if articleExtractor?.state != .cancelled {
self.extractedArticle = extractedArticle
isShowingExtractedArticle = true
loadWebView()
articleExtractorButtonState = .on
}
}
}
// MARK: UIContextMenuInteractionDelegate
//extension WebViewController: UIContextMenuInteractionDelegate {
// func contextMenuInteraction(_ interaction: UIContextMenuInteraction, configurationForMenuAtLocation location: CGPoint) -> UIContextMenuConfiguration? {
//
// return UIContextMenuConfiguration(identifier: nil, previewProvider: contextMenuPreviewProvider) { [weak self] suggestedActions in
// guard let self = self else { return nil }
// var actions = [UIAction]()
//
// if let action = self.prevArticleAction() {
// actions.append(action)
// }
// if let action = self.nextArticleAction() {
// actions.append(action)
// }
// if let action = self.toggleReadAction() {
// actions.append(action)
// }
// actions.append(self.toggleStarredAction())
// if let action = self.nextUnreadArticleAction() {
// actions.append(action)
// }
// actions.append(self.toggleArticleExtractorAction())
// actions.append(self.shareAction())
//
// return UIMenu(title: "", children: actions)
// }
// }
//
// func contextMenuInteraction(_ interaction: UIContextMenuInteraction, willPerformPreviewActionForMenuWith configuration: UIContextMenuConfiguration, animator: UIContextMenuInteractionCommitAnimating) {
// coordinator.showBrowserForCurrentArticle()
// }
//
//}
// MARK: WKNavigationDelegate
extension WebViewController: WKNavigationDelegate {
func webView(_ webView: WKWebView, didFinish navigation: WKNavigation!) {
for (index, view) in view.subviews.enumerated() {
if index != 0, let oldWebView = view as? PreloadedWebView {
oldWebView.removeFromSuperview()
}
}
}
func webView(_ webView: WKWebView, decidePolicyFor navigationAction: WKNavigationAction, decisionHandler: @escaping (WKNavigationActionPolicy) -> Void) {
if navigationAction.navigationType == .linkActivated {
guard let url = navigationAction.request.url else {
decisionHandler(.allow)
return
}
let components = URLComponents(url: url, resolvingAgainstBaseURL: false)
if components?.scheme == "http" || components?.scheme == "https" {
decisionHandler(.cancel)
// If the resource cannot be opened with an installed app, present the web view.
UIApplication.shared.open(url, options: [.universalLinksOnly: true]) { didOpen in
assert(Thread.isMainThread)
guard didOpen == false else {
return
}
let vc = SFSafariViewController(url: url)
self.present(vc, animated: true)
}
} else if components?.scheme == "mailto" {
decisionHandler(.cancel)
guard let emailAddress = url.emailAddress else {
return
}
if MFMailComposeViewController.canSendMail() {
let mailComposeViewController = MFMailComposeViewController()
mailComposeViewController.setToRecipients([emailAddress])
mailComposeViewController.mailComposeDelegate = self
self.present(mailComposeViewController, animated: true, completion: {})
} else {
let alert = UIAlertController(title: NSLocalizedString("Error", comment: "Error"), message: NSLocalizedString("This device cannot send emails.", comment: "This device cannot send emails."), preferredStyle: .alert)
alert.addAction(.init(title: NSLocalizedString("Dismiss", comment: "Dismiss"), style: .cancel, handler: nil))
self.present(alert, animated: true, completion: nil)
}
} else if components?.scheme == "tel" {
decisionHandler(.cancel)
if UIApplication.shared.canOpenURL(url) {
UIApplication.shared.open(url, options: [.universalLinksOnly : false], completionHandler: nil)
}
} else {
decisionHandler(.allow)
}
} else {
decisionHandler(.allow)
}
}
func webViewWebContentProcessDidTerminate(_ webView: WKWebView) {
fullReload()
}
}
// MARK: WKUIDelegate
extension WebViewController: WKUIDelegate {
func webView(_ webView: WKWebView, contextMenuForElement elementInfo: WKContextMenuElementInfo, willCommitWithAnimator animator: UIContextMenuInteractionCommitAnimating) {
// We need to have at least an unimplemented WKUIDelegate assigned to the WKWebView. This makes the
// link preview launch Safari when the link preview is tapped. In theory, you shoud be able to get
// the link from the elementInfo above and transition to SFSafariViewController instead of launching
// Safari. As the time of this writing, the link in elementInfo is always nil. ¯\_()_/¯
}
}
// MARK: WKScriptMessageHandler
extension WebViewController: WKScriptMessageHandler {
func userContentController(_ userContentController: WKUserContentController, didReceive message: WKScriptMessage) {
switch message.name {
case MessageName.imageWasShown:
clickedImageCompletion?()
case MessageName.imageWasClicked:
imageWasClicked(body: message.body as? String)
case MessageName.showFeedInspector:
if let webFeed = article?.webFeed {
// coordinator.showFeedInspector(for: webFeed)
}
default:
return
}
}
}
// MARK: UIViewControllerTransitioningDelegate
extension WebViewController: UIViewControllerTransitioningDelegate {
func animationController(forPresented presented: UIViewController, presenting: UIViewController, source: UIViewController) -> UIViewControllerAnimatedTransitioning? {
transition.presenting = true
return transition
}
func animationController(forDismissed dismissed: UIViewController) -> UIViewControllerAnimatedTransitioning? {
transition.presenting = false
return transition
}
}
// MARK:
extension WebViewController: UIScrollViewDelegate {
func scrollViewDidScroll(_ scrollView: UIScrollView) {
scrollPositionQueue.add(self, #selector(scrollPositionDidChange))
}
@objc func scrollPositionDidChange() {
webView?.evaluateJavaScript("window.scrollY") { (scrollY, error) in
guard error == nil else { return }
let javascriptScrollY = scrollY as? Int ?? 0
// I don't know why this value gets returned sometimes, but it is in error
guard javascriptScrollY != 33554432 else { return }
self.windowScrollY = javascriptScrollY
}
}
}
// MARK: MFMailComposeViewControllerDelegate
extension WebViewController: MFMailComposeViewControllerDelegate {
func mailComposeController(_ controller: MFMailComposeViewController, didFinishWith result: MFMailComposeResult, error: Error?) {
self.dismiss(animated: true, completion: nil)
}
}
// MARK: JSON
private struct ImageClickMessage: Codable {
let x: Float
let y: Float
let width: Float
let height: Float
let imageTitle: String?
let imageURL: String
}
// MARK: Private
private extension WebViewController {
func loadWebView(replaceExistingWebView: Bool = false) {
guard isViewLoaded else { return }
if !replaceExistingWebView, let webView = webView {
self.renderPage(webView)
return
}
articleModel?.webViewProvider?.dequeueWebView() { webView in
// Add the webview
webView.translatesAutoresizingMaskIntoConstraints = false
self.view.insertSubview(webView, at: 0)
NSLayoutConstraint.activate([
self.view.leadingAnchor.constraint(equalTo: webView.leadingAnchor),
self.view.trailingAnchor.constraint(equalTo: webView.trailingAnchor),
self.view.topAnchor.constraint(equalTo: webView.topAnchor),
self.view.bottomAnchor.constraint(equalTo: webView.bottomAnchor)
])
// UISplitViewController reports the wrong size to WKWebView which can cause horizontal
// rubberbanding on the iPad. This interferes with our UIPageViewController preventing
// us from easily swiping between WKWebViews. This hack fixes that.
webView.scrollView.contentInset = UIEdgeInsets(top: 0, left: -1, bottom: 0, right: 0)
webView.scrollView.setZoomScale(1.0, animated: false)
self.view.setNeedsLayout()
self.view.layoutIfNeeded()
// Configure the webview
webView.navigationDelegate = self
webView.uiDelegate = self
webView.scrollView.delegate = self
// self.configureContextMenuInteraction()
webView.configuration.userContentController.add(WrapperScriptMessageHandler(self), name: MessageName.imageWasClicked)
webView.configuration.userContentController.add(WrapperScriptMessageHandler(self), name: MessageName.imageWasShown)
webView.configuration.userContentController.add(WrapperScriptMessageHandler(self), name: MessageName.showFeedInspector)
self.renderPage(webView)
}
}
func renderPage(_ webView: PreloadedWebView?) {
guard let webView = webView else { return }
let style = ArticleStylesManager.shared.currentStyle
let rendering: ArticleRenderer.Rendering
if let articleExtractor = articleExtractor, articleExtractor.state == .processing {
rendering = ArticleRenderer.loadingHTML(style: style)
} else if let articleExtractor = articleExtractor, articleExtractor.state == .failedToParse, let article = article {
rendering = ArticleRenderer.articleHTML(article: article, style: style)
} else if let article = article, let extractedArticle = extractedArticle {
if isShowingExtractedArticle {
rendering = ArticleRenderer.articleHTML(article: article, extractedArticle: extractedArticle, style: style)
} else {
rendering = ArticleRenderer.articleHTML(article: article, style: style)
}
} else if let article = article {
rendering = ArticleRenderer.articleHTML(article: article, style: style)
} else {
rendering = ArticleRenderer.noSelectionHTML(style: style)
}
let substitutions = [
"title": rendering.title,
"baseURL": rendering.baseURL,
"style": rendering.style,
"body": rendering.html,
"windowScrollY": String(windowScrollY)
]
let html = try! MacroProcessor.renderedText(withTemplate: ArticleRenderer.page.html, substitutions: substitutions)
webView.loadHTMLString(html, baseURL: ArticleRenderer.page.baseURL)
}
func finalScrollPosition() -> CGFloat {
guard let webView = webView else { return 0 }
return webView.scrollView.contentSize.height - webView.scrollView.bounds.height + webView.scrollView.safeAreaInsets.bottom
}
func startArticleExtractor() {
if let link = article?.preferredLink, let extractor = ArticleExtractor(link) {
extractor.delegate = self
extractor.process()
articleExtractor = extractor
articleExtractorButtonState = .animated
}
}
func stopArticleExtractor() {
articleExtractor?.cancel()
articleExtractor = nil
isShowingExtractedArticle = false
articleExtractorButtonState = .off
}
func reloadArticleImage() {
guard let article = article else { return }
var components = URLComponents()
components.scheme = ArticleRenderer.imageIconScheme
components.path = article.articleID
if let imageSrc = components.string {
webView?.evaluateJavaScript("reloadArticleImage(\"\(imageSrc)\")")
}
}
func imageWasClicked(body: String?) {
guard let webView = webView,
let body = body,
let data = body.data(using: .utf8),
let clickMessage = try? JSONDecoder().decode(ImageClickMessage.self, from: data),
let range = clickMessage.imageURL.range(of: ";base64,")
else { return }
let base64Image = String(clickMessage.imageURL.suffix(from: range.upperBound))
if let imageData = Data(base64Encoded: base64Image), let image = UIImage(data: imageData) {
let y = CGFloat(clickMessage.y) + webView.safeAreaInsets.top
let rect = CGRect(x: CGFloat(clickMessage.x), y: y, width: CGFloat(clickMessage.width), height: CGFloat(clickMessage.height))
transition.originFrame = webView.convert(rect, to: nil)
if navigationController?.navigationBar.isHidden ?? false {
transition.maskFrame = webView.convert(webView.frame, to: nil)
} else {
transition.maskFrame = webView.convert(webView.safeAreaLayoutGuide.layoutFrame, to: nil)
}
transition.originImage = image
// coordinator.showFullScreenImage(image: image, imageTitle: clickMessage.imageTitle, transitioningDelegate: self)
}
}
func stopMediaPlayback(_ webView: WKWebView) {
webView.evaluateJavaScript("stopMediaPlayback();")
}
func cancelImageLoad(_ webView: WKWebView) {
webView.evaluateJavaScript("cancelImageLoad();")
}
// func configureTopShowBarsView() {
// topShowBarsView = UIView()
// topShowBarsView.backgroundColor = .clear
// topShowBarsView.translatesAutoresizingMaskIntoConstraints = false
// view.addSubview(topShowBarsView)
//
// if AppDefaults.shared.articleFullscreenEnabled {
// topShowBarsViewConstraint = view.topAnchor.constraint(equalTo: topShowBarsView.bottomAnchor, constant: -44.0)
// } else {
// topShowBarsViewConstraint = view.topAnchor.constraint(equalTo: topShowBarsView.bottomAnchor, constant: 0.0)
// }
//
// NSLayoutConstraint.activate([
// topShowBarsViewConstraint,
// view.leadingAnchor.constraint(equalTo: topShowBarsView.leadingAnchor),
// view.trailingAnchor.constraint(equalTo: topShowBarsView.trailingAnchor),
// topShowBarsView.heightAnchor.constraint(equalToConstant: 44.0)
// ])
// topShowBarsView.addGestureRecognizer(UITapGestureRecognizer(target: self, action: #selector(showBars(_:))))
// }
//
// func configureBottomShowBarsView() {
// bottomShowBarsView = UIView()
// topShowBarsView.backgroundColor = .clear
// bottomShowBarsView.translatesAutoresizingMaskIntoConstraints = false
// view.addSubview(bottomShowBarsView)
// if AppDefaults.shared.articleFullscreenEnabled {
// bottomShowBarsViewConstraint = view.bottomAnchor.constraint(equalTo: bottomShowBarsView.topAnchor, constant: 44.0)
// } else {
// bottomShowBarsViewConstraint = view.bottomAnchor.constraint(equalTo: bottomShowBarsView.topAnchor, constant: 0.0)
// }
// NSLayoutConstraint.activate([
// bottomShowBarsViewConstraint,
// view.leadingAnchor.constraint(equalTo: bottomShowBarsView.leadingAnchor),
// view.trailingAnchor.constraint(equalTo: bottomShowBarsView.trailingAnchor),
// bottomShowBarsView.heightAnchor.constraint(equalToConstant: 44.0)
// ])
// bottomShowBarsView.addGestureRecognizer(UITapGestureRecognizer(target: self, action: #selector(showBars(_:))))
// }
// func configureContextMenuInteraction() {
// if isFullScreenAvailable {
// if navigationController?.isNavigationBarHidden ?? false {
// webView?.addInteraction(contextMenuInteraction)
// } else {
// webView?.removeInteraction(contextMenuInteraction)
// }
// }
// }
//
// func contextMenuPreviewProvider() -> UIViewController {
// let previewProvider = UIStoryboard.main.instantiateController(ofType: ContextMenuPreviewViewController.self)
// previewProvider.article = article
// return previewProvider
// }
//
// func prevArticleAction() -> UIAction? {
// guard coordinator.isPrevArticleAvailable else { return nil }
// let title = NSLocalizedString("Previous Article", comment: "Previous Article")
// return UIAction(title: title, image: AppAssets.prevArticleImage) { [weak self] action in
// self?.coordinator.selectPrevArticle()
// }
// }
//
// func nextArticleAction() -> UIAction? {
// guard coordinator.isNextArticleAvailable else { return nil }
// let title = NSLocalizedString("Next Article", comment: "Next Article")
// return UIAction(title: title, image: AppAssets.nextArticleImage) { [weak self] action in
// self?.coordinator.selectNextArticle()
// }
// }
//
// func toggleReadAction() -> UIAction? {
// guard let article = article, !article.status.read || article.isAvailableToMarkUnread else { return nil }
//
// let title = article.status.read ? NSLocalizedString("Mark as Unread", comment: "Mark as Unread") : NSLocalizedString("Mark as Read", comment: "Mark as Read")
// let readImage = article.status.read ? AppAssets.circleClosedImage : AppAssets.circleOpenImage
// return UIAction(title: title, image: readImage) { [weak self] action in
// self?.coordinator.toggleReadForCurrentArticle()
// }
// }
//
// func toggleStarredAction() -> UIAction {
// let starred = article?.status.starred ?? false
// let title = starred ? NSLocalizedString("Mark as Unstarred", comment: "Mark as Unstarred") : NSLocalizedString("Mark as Starred", comment: "Mark as Starred")
// let starredImage = starred ? AppAssets.starOpenImage : AppAssets.starClosedImage
// return UIAction(title: title, image: starredImage) { [weak self] action in
// self?.coordinator.toggleStarredForCurrentArticle()
// }
// }
//
// func nextUnreadArticleAction() -> UIAction? {
// guard coordinator.isAnyUnreadAvailable else { return nil }
// let title = NSLocalizedString("Next Unread Article", comment: "Next Unread Article")
// return UIAction(title: title, image: AppAssets.nextUnreadArticleImage) { [weak self] action in
// self?.coordinator.selectNextUnread()
// }
// }
//
// func toggleArticleExtractorAction() -> UIAction {
// let extracted = articleExtractorButtonState == .on
// let title = extracted ? NSLocalizedString("Show Feed Article", comment: "Show Feed Article") : NSLocalizedString("Show Reader View", comment: "Show Reader View")
// let extractorImage = extracted ? AppAssets.articleExtractorOffSF : AppAssets.articleExtractorOnSF
// return UIAction(title: title, image: extractorImage) { [weak self] action in
// self?.toggleArticleExtractor()
// }
// }
//
// func shareAction() -> UIAction {
// let title = NSLocalizedString("Share", comment: "Share")
// return UIAction(title: title, image: AppAssets.shareImage) { [weak self] action in
// self?.showActivityDialog()
// }
// }
}
// MARK: Find in Article
private struct FindInArticleOptions: Codable {
var text: String
var caseSensitive = false
var regex = false
}
internal struct FindInArticleState: Codable {
struct WebViewClientRect: Codable {
let x: Double
let y: Double
let width: Double
let height: Double
}
struct FindInArticleResult: Codable {
let rects: [WebViewClientRect]
let bounds: WebViewClientRect
let index: UInt
let matchGroups: [String]
}
let index: UInt?
let results: [FindInArticleResult]
let count: UInt
}
extension WebViewController {
func searchText(_ searchText: String, completionHandler: @escaping (FindInArticleState) -> Void) {
guard let json = try? JSONEncoder().encode(FindInArticleOptions(text: searchText)) else {
return
}
let encoded = json.base64EncodedString()
webView?.evaluateJavaScript("updateFind(\"\(encoded)\")") {
(result, error) in
guard error == nil,
let b64 = result as? String,
let rawData = Data(base64Encoded: b64),
let findState = try? JSONDecoder().decode(FindInArticleState.self, from: rawData) else {
return
}
completionHandler(findState)
}
}
func endSearch() {
webView?.evaluateJavaScript("endFind()")
}
func selectNextSearchResult() {
webView?.evaluateJavaScript("selectNextResult()")
}
func selectPreviousSearchResult() {
webView?.evaluateJavaScript("selectPreviousResult()")
}
}

View File

@ -0,0 +1,133 @@
//
// WebViewProvider.swift
// Multiplatform iOS
//
// Created by Maurice Parker on 7/6/20.
// Copyright © 2020 Ranchero Software. All rights reserved.
//
import UIKit
import RSCore
import WebKit
/// WKWebView has an awful behavior of a flash to white on first load when in dark mode.
/// Keep a queue of WebViews where we've already done a trivial load so that by the time we need them in the UI, they're past the flash-to-shite part of their lifecycle.
class WebViewProvider: NSObject {
private let articleIconSchemeHandler: ArticleIconSchemeHandler
private let operationQueue = MainThreadOperationQueue()
private var queue = NSMutableArray()
init(sceneModel: SceneModel) {
articleIconSchemeHandler = ArticleIconSchemeHandler(sceneModel: sceneModel)
super.init()
replenishQueueIfNeeded()
}
func flushQueue() {
operationQueue.add(WebViewProviderFlushQueueOperation(queue: queue))
}
func replenishQueueIfNeeded() {
operationQueue.add(WebViewProviderReplenishQueueOperation(queue: queue, articleIconSchemeHandler: articleIconSchemeHandler))
}
func dequeueWebView(completion: @escaping (PreloadedWebView) -> ()) {
operationQueue.add(WebViewProviderDequeueOperation(queue: queue, articleIconSchemeHandler: articleIconSchemeHandler, completion: completion))
operationQueue.add(WebViewProviderReplenishQueueOperation(queue: queue, articleIconSchemeHandler: articleIconSchemeHandler))
}
}
class WebViewProviderFlushQueueOperation: MainThreadOperation {
// MainThreadOperation
public var isCanceled = false
public var id: Int?
public weak var operationDelegate: MainThreadOperationDelegate?
public var name: String? = "WebViewProviderFlushQueueOperation"
public var completionBlock: MainThreadOperation.MainThreadOperationCompletionBlock?
private var queue: NSMutableArray
init(queue: NSMutableArray) {
self.queue = queue
}
func run() {
queue.removeAllObjects()
self.operationDelegate?.operationDidComplete(self)
}
}
class WebViewProviderReplenishQueueOperation: MainThreadOperation {
// MainThreadOperation
public var isCanceled = false
public var id: Int?
public weak var operationDelegate: MainThreadOperationDelegate?
public var name: String? = "WebViewProviderReplenishQueueOperation"
public var completionBlock: MainThreadOperation.MainThreadOperationCompletionBlock?
private let minimumQueueDepth = 3
private var queue: NSMutableArray
private var articleIconSchemeHandler: ArticleIconSchemeHandler
init(queue: NSMutableArray, articleIconSchemeHandler: ArticleIconSchemeHandler) {
self.queue = queue
self.articleIconSchemeHandler = articleIconSchemeHandler
}
func run() {
while queue.count < minimumQueueDepth {
let webView = PreloadedWebView(articleIconSchemeHandler: articleIconSchemeHandler)
queue.insert(webView, at: 0)
webView.preload()
}
self.operationDelegate?.operationDidComplete(self)
}
}
class WebViewProviderDequeueOperation: MainThreadOperation {
// MainThreadOperation
public var isCanceled = false
public var id: Int?
public weak var operationDelegate: MainThreadOperationDelegate?
public var name: String? = "WebViewProviderFlushQueueOperation"
public var completionBlock: MainThreadOperation.MainThreadOperationCompletionBlock?
private var queue: NSMutableArray
private var articleIconSchemeHandler: ArticleIconSchemeHandler
private var completion: (PreloadedWebView) -> ()
init(queue: NSMutableArray, articleIconSchemeHandler: ArticleIconSchemeHandler, completion: @escaping (PreloadedWebView) -> ()) {
self.queue = queue
self.articleIconSchemeHandler = articleIconSchemeHandler
self.completion = completion
}
func run() {
if let webView = queue.lastObject as? PreloadedWebView {
queue.removeLastObject()
webView.ready { preloadedWebView in
self.completion(preloadedWebView)
self.operationDelegate?.operationDidComplete(self)
}
return
}
assertionFailure("Creating PreloadedWebView in \(#function); queue has run dry.")
let webView = PreloadedWebView(articleIconSchemeHandler: articleIconSchemeHandler)
webView.preload()
webView.ready { preloadedWebView in
self.completion(preloadedWebView)
self.operationDelegate?.operationDidComplete(self)
}
}
}

View File

@ -0,0 +1,25 @@
//
// WrapperScriptMessageHandler.swift
// Multiplatform iOS
//
// Created by Maurice Parker on 7/6/20.
// Copyright © 2020 Ranchero Software. All rights reserved.
//
import Foundation
import WebKit
class WrapperScriptMessageHandler: NSObject, WKScriptMessageHandler {
// We need to wrap a message handler to prevent a circlular reference
private weak var handler: WKScriptMessageHandler?
init(_ handler: WKScriptMessageHandler) {
self.handler = handler
}
func userContentController(_ userContentController: WKUserContentController, didReceive message: WKScriptMessage) {
handler?.userContentController(userContentController, didReceive: message)
}
}

View File

@ -7,15 +7,15 @@
//
import SwiftUI
import Articles
struct ArticleView: View {
var body: some View {
var sceneModel: SceneModel
var articleModel: ArticleModel
var article: Article
var body: some View {
Text(/*@START_MENU_TOKEN@*/"Hello, World!"/*@END_MENU_TOKEN@*/)
}
}
struct ArticleView_Previews: PreviewProvider {
static var previews: some View {
ArticleView()
}
}

View File

@ -219,6 +219,16 @@
5177470924B2F87600EB0F74 /* SidebarListStyleModifier.swift in Sources */ = {isa = PBXBuildFile; fileRef = 5177470824B2F87600EB0F74 /* SidebarListStyleModifier.swift */; };
5177470A24B2F87600EB0F74 /* SidebarListStyleModifier.swift in Sources */ = {isa = PBXBuildFile; fileRef = 5177470824B2F87600EB0F74 /* SidebarListStyleModifier.swift */; };
5177470E24B2FF6F00EB0F74 /* ArticleView.swift in Sources */ = {isa = PBXBuildFile; fileRef = 5177470D24B2FF6F00EB0F74 /* ArticleView.swift */; };
5177471024B3029400EB0F74 /* ArticleViewController.swift in Sources */ = {isa = PBXBuildFile; fileRef = 5177470F24B3029400EB0F74 /* ArticleViewController.swift */; };
5177471224B37C5400EB0F74 /* WebViewController.swift in Sources */ = {isa = PBXBuildFile; fileRef = 5177471124B37C5400EB0F74 /* WebViewController.swift */; };
5177471424B37D4000EB0F74 /* PreloadedWebView.swift in Sources */ = {isa = PBXBuildFile; fileRef = 5177471324B37D4000EB0F74 /* PreloadedWebView.swift */; };
5177471624B37D9700EB0F74 /* ArticleIconSchemeHandler.swift in Sources */ = {isa = PBXBuildFile; fileRef = 5177471524B37D9700EB0F74 /* ArticleIconSchemeHandler.swift */; };
5177471824B3812200EB0F74 /* IconView.swift in Sources */ = {isa = PBXBuildFile; fileRef = 5177471724B3812200EB0F74 /* IconView.swift */; };
5177471A24B3863000EB0F74 /* WebViewProvider.swift in Sources */ = {isa = PBXBuildFile; fileRef = 5177471924B3863000EB0F74 /* WebViewProvider.swift */; };
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517A757C24451C1500B553B9 /* OAuthSwift.framework in Embed Frameworks */ = {isa = PBXBuildFile; fileRef = 517A755324451BD500B553B9 /* OAuthSwift.framework */; settings = {ATTRIBUTES = (CodeSignOnCopy, RemoveHeadersOnCopy, ); }; };
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517B2EE224B3E8FE001AC46C /* page.html in Resources */ = {isa = PBXBuildFile; fileRef = 517B2EDE24B3E8FE001AC46C /* page.html */; };
517B2EE324B3E8FE001AC46C /* page.html in Resources */ = {isa = PBXBuildFile; fileRef = 517B2EDE24B3E8FE001AC46C /* page.html */; };
517B2EE424B3E8FE001AC46C /* blank.html in Resources */ = {isa = PBXBuildFile; fileRef = 517B2EDF24B3E8FE001AC46C /* blank.html */; };
517B2EE524B3E8FE001AC46C /* blank.html in Resources */ = {isa = PBXBuildFile; fileRef = 517B2EDF24B3E8FE001AC46C /* blank.html */; };
517B2EE624B3E8FE001AC46C /* styleSheet.css in Resources */ = {isa = PBXBuildFile; fileRef = 517B2EE024B3E8FE001AC46C /* styleSheet.css */; };
517B2EE724B3E8FE001AC46C /* styleSheet.css in Resources */ = {isa = PBXBuildFile; fileRef = 517B2EE024B3E8FE001AC46C /* styleSheet.css */; };
517B2EE824B3E8FE001AC46C /* main_multiplatform.js in Resources */ = {isa = PBXBuildFile; fileRef = 517B2EE124B3E8FE001AC46C /* main_multiplatform.js */; };
517B2EE924B3E8FE001AC46C /* main_multiplatform.js in Resources */ = {isa = PBXBuildFile; fileRef = 517B2EE124B3E8FE001AC46C /* main_multiplatform.js */; };
517B2EEB24B40E09001AC46C /* TimelineTitleModifier.swift in Sources */ = {isa = PBXBuildFile; fileRef = 517B2EEA24B40E09001AC46C /* TimelineTitleModifier.swift */; };
517B2EEC24B40E09001AC46C /* TimelineTitleModifier.swift in Sources */ = {isa = PBXBuildFile; fileRef = 517B2EEA24B40E09001AC46C /* TimelineTitleModifier.swift */; };
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5177471924B3863000EB0F74 /* WebViewProvider.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = WebViewProvider.swift; sourceTree = "<group>"; };
5177471B24B387AC00EB0F74 /* ImageScrollView.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = ImageScrollView.swift; sourceTree = "<group>"; };
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5177472124B38CAE00EB0F74 /* ArticleExtractorButtonState.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = ArticleExtractorButtonState.swift; sourceTree = "<group>"; };
5177475824B39AD400EB0F74 /* Credits.rtf */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = text.rtf; path = Credits.rtf; sourceTree = "<group>"; };
5177475924B39AD400EB0F74 /* Dedication.rtf */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = text.rtf; path = Dedication.rtf; sourceTree = "<group>"; };
5177475A24B39AD500EB0F74 /* Thanks.rtf */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = text.rtf; path = Thanks.rtf; sourceTree = "<group>"; };
@ -1881,6 +1912,12 @@
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517A745A2443665000B553B9 /* UIPageViewController-Extensions.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = "UIPageViewController-Extensions.swift"; sourceTree = "<group>"; };
517A754424451BD500B553B9 /* OAuthSwift.xcodeproj */ = {isa = PBXFileReference; lastKnownFileType = "wrapper.pb-project"; name = OAuthSwift.xcodeproj; path = submodules/OAuthSwift/OAuthSwift.xcodeproj; sourceTree = "<group>"; };
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517B2EDE24B3E8FE001AC46C /* page.html */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = text.html; path = page.html; sourceTree = "<group>"; };
517B2EDF24B3E8FE001AC46C /* blank.html */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = text.html; path = blank.html; sourceTree = "<group>"; };
517B2EE024B3E8FE001AC46C /* styleSheet.css */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = text.css; path = styleSheet.css; sourceTree = "<group>"; };
517B2EE124B3E8FE001AC46C /* main_multiplatform.js */ = {isa = PBXFileReference; fileEncoding = 4; lastKnownFileType = sourcecode.javascript; path = main_multiplatform.js; sourceTree = "<group>"; };
517B2EEA24B40E09001AC46C /* TimelineTitleModifier.swift */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.swift; path = TimelineTitleModifier.swift; sourceTree = "<group>"; };
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@ -2424,9 +2461,7 @@
172199EB24AB228E00A31D04 /* Settings */ = {
isa = PBXGroup;
children = (
65CBAD5924AE03C20006DD91 /* ColorPaletteContainerView.swift */,
65C2E40024B05D8A000AFDF6 /* FeedsSettingsModel.swift */,
17B223DB24AC24D2001E4592 /* TimelineLayoutView.swift */,
65CBAD5924AE03C20006DD91 /* ColorPaletteContainerView.swift */,
5181C66124B0C326002E0F70 /* SettingsModel.swift */,
172199C824AB228900A31D04 /* SettingsView.swift */,
@ -2663,7 +2698,18 @@
5177470B24B2FF2C00EB0F74 /* Article */ = {
isa = PBXGroup;
children = (
5177472124B38CAE00EB0F74 /* ArticleExtractorButtonState.swift */,
5177471524B37D9700EB0F74 /* ArticleIconSchemeHandler.swift */,
5177470D24B2FF6F00EB0F74 /* ArticleView.swift */,
5177470F24B3029400EB0F74 /* ArticleViewController.swift */,
5177471724B3812200EB0F74 /* IconView.swift */,
5177471B24B387AC00EB0F74 /* ImageScrollView.swift */,
5177471D24B387E100EB0F74 /* ImageTransition.swift */,
5177471F24B3882600EB0F74 /* ImageViewController.swift */,
5177471324B37D4000EB0F74 /* PreloadedWebView.swift */,
5177471124B37C5400EB0F74 /* WebViewController.swift */,
5177471924B3863000EB0F74 /* WebViewProvider.swift */,
517B2EBB24B3E62A001AC46C /* WrapperScriptMessageHandler.swift */,
);
path = Article;
sourceTree = "<group>";
@ -2762,6 +2808,7 @@
514E6C0124AD29A300AC6F6E /* TimelineItemStatusView.swift */,
514E6BD924ACEA0400AC6F6E /* TimelineItemView.swift */,
51919FF024AB864A00541E64 /* TimelineModel.swift */,
517B2EEA24B40E09001AC46C /* TimelineTitleModifier.swift */,
51919FF624AB8B7700541E64 /* TimelineView.swift */,
);
path = Timeline;
@ -2779,6 +2826,10 @@
51A576B924AE617B00078888 /* Article */ = {
isa = PBXGroup;
children = (
517B2EE024B3E8FE001AC46C /* styleSheet.css */,
517B2EDF24B3E8FE001AC46C /* blank.html */,
517B2EDE24B3E8FE001AC46C /* page.html */,
517B2EE124B3E8FE001AC46C /* main_multiplatform.js */,
51A5769524AE617200078888 /* ArticleContainerView.swift */,
51A576BA24AE621800078888 /* ArticleModel.swift */,
5177470524B2910300EB0F74 /* ArticleToolbarModifier.swift */,
@ -4534,14 +4585,18 @@
buildActionMask = 2147483647;
files = (
5177475E24B39AD500EB0F74 /* Thanks.rtf in Resources */,
517B2EE224B3E8FE001AC46C /* page.html in Resources */,
51E4995F24A875F300B667CB /* shared.css in Resources */,
517B2EE824B3E8FE001AC46C /* main_multiplatform.js in Resources */,
51E4997324A8784300B667CB /* DefaultFeeds.opml in Resources */,
51C0516224A77DF800194D5E /* Assets.xcassets in Resources */,
5177475F24B39AD500EB0F74 /* About.rtf in Resources */,
51E4996024A875F300B667CB /* template.html in Resources */,
5177475D24B39AD500EB0F74 /* Dedication.rtf in Resources */,
51E4995E24A875F300B667CB /* newsfoot.js in Resources */,
517B2EE424B3E8FE001AC46C /* blank.html in Resources */,
5177475C24B39AD500EB0F74 /* Credits.rtf in Resources */,
517B2EE624B3E8FE001AC46C /* styleSheet.css in Resources */,
51E4995D24A875F300B667CB /* main.js in Resources */,
);
runOnlyForDeploymentPostprocessing = 0;
@ -4550,12 +4605,16 @@
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buildActionMask = 2147483647;
files = (
517B2EE324B3E8FE001AC46C /* page.html in Resources */,
51E4996424A875F400B667CB /* shared.css in Resources */,
51E4997524A8784400B667CB /* DefaultFeeds.opml in Resources */,
51C0516324A77DF800194D5E /* Assets.xcassets in Resources */,
51E4996524A875F400B667CB /* template.html in Resources */,
517B2EE924B3E8FE001AC46C /* main_multiplatform.js in Resources */,
517B2EE524B3E8FE001AC46C /* blank.html in Resources */,
51E4996324A875F400B667CB /* newsfoot.js in Resources */,
51E4996224A875F400B667CB /* main.js in Resources */,
517B2EE724B3E8FE001AC46C /* styleSheet.css in Resources */,
);
runOnlyForDeploymentPostprocessing = 0;
};
@ -4880,6 +4939,7 @@
51E4995924A873F900B667CB /* ErrorHandler.swift in Sources */,
51392D1B24AC19A000BE0D35 /* SidebarExpandedContainers.swift in Sources */,
51E4992F24A8676400B667CB /* ArticleArray.swift in Sources */,
5177471C24B387AC00EB0F74 /* ImageScrollView.swift in Sources */,
51E498F824A8085D00B667CB /* UnreadFeed.swift in Sources */,
FF64D0E724AF53EE0084080A /* RefreshProgressModel.swift in Sources */,
51E4996A24A8762D00B667CB /* ExtractedArticle.swift in Sources */,
@ -4893,11 +4953,13 @@
5177470624B2910300EB0F74 /* ArticleToolbarModifier.swift in Sources */,
51919FAF24AA8EFA00541E64 /* SidebarItemView.swift in Sources */,
514E6BDA24ACEA0400AC6F6E /* TimelineItemView.swift in Sources */,
5177471624B37D9700EB0F74 /* ArticleIconSchemeHandler.swift in Sources */,
FA80C11724B0728000974098 /* AddFolderView.swift in Sources */,
51E4990D24A808C500B667CB /* RSHTMLMetadata+Extension.swift in Sources */,
51919FF424AB869C00541E64 /* TimelineItem.swift in Sources */,
514E6C0224AD29A300AC6F6E /* TimelineItemStatusView.swift in Sources */,
51E49A0024A91FC100B667CB /* SidebarContainerView.swift in Sources */,
5177471824B3812200EB0F74 /* IconView.swift in Sources */,
51E4995C24A875F300B667CB /* ArticleRenderer.swift in Sources */,
51E4992324A8095700B667CB /* URL-Extensions.swift in Sources */,
51E4993624A867E800B667CB /* UserInfoKey.swift in Sources */,
@ -4920,6 +4982,7 @@
51E4991B24A8091000B667CB /* IconImage.swift in Sources */,
51E4995424A8734D00B667CB /* ExtensionPointIdentifer.swift in Sources */,
51E4996924A8760C00B667CB /* ArticleStylesManager.swift in Sources */,
5177471E24B387E100EB0F74 /* ImageTransition.swift in Sources */,
51E498F324A8085D00B667CB /* PseudoFeed.swift in Sources */,
51A5769624AE617200078888 /* ArticleContainerView.swift in Sources */,
5181C5AD24AF89B1002E0F70 /* PreferredColorSchemeModifier.swift in Sources */,
@ -4929,8 +4992,10 @@
51E4991D24A8092100B667CB /* NSAttributedString+NetNewsWire.swift in Sources */,
FF64D0E924AF53EE0084080A /* RefreshProgressView.swift in Sources */,
51E499FD24A9137600B667CB /* SidebarModel.swift in Sources */,
517B2EEB24B40E09001AC46C /* TimelineTitleModifier.swift in Sources */,
5181C66224B0C326002E0F70 /* SettingsModel.swift in Sources */,
51E4995324A8734D00B667CB /* RedditFeedProvider-Extensions.swift in Sources */,
5177471024B3029400EB0F74 /* ArticleViewController.swift in Sources */,
172199C924AB228900A31D04 /* SettingsView.swift in Sources */,
17D232A824AFF10A0005F075 /* AddWebFeedModel.swift in Sources */,
51E4994224A8713C00B667CB /* ArticleStatusSyncTimer.swift in Sources */,
@ -4939,6 +5004,7 @@
51919FB624AABCA100541E64 /* IconImageView.swift in Sources */,
51919FA624AA64B000541E64 /* SidebarView.swift in Sources */,
51E4997024A8764C00B667CB /* ActivityManager.swift in Sources */,
5177471224B37C5400EB0F74 /* WebViewController.swift in Sources */,
51E4990F24A808CC00B667CB /* HTMLMetadataDownloader.swift in Sources */,
5177476524B3BDAE00EB0F74 /* AttributedStringView.swift in Sources */,
51E4993124A8676400B667CB /* FetchRequestOperation.swift in Sources */,
@ -4952,7 +5018,10 @@
51E4991E24A8094300B667CB /* RSImage-AppIcons.swift in Sources */,
51E499D824A912C200B667CB /* SceneModel.swift in Sources */,
5177470E24B2FF6F00EB0F74 /* ArticleView.swift in Sources */,
5177471424B37D4000EB0F74 /* PreloadedWebView.swift in Sources */,
517B2EBC24B3E62A001AC46C /* WrapperScriptMessageHandler.swift in Sources */,
51919FB324AAB97900541E64 /* FeedIconImageLoader.swift in Sources */,
5177472024B3882600EB0F74 /* ImageViewController.swift in Sources */,
51919FB324AAB97900541E64 /* FeedIconImageLoader.swift in Sources */,
51E4991324A808FB00B667CB /* AddWebFeedDefaultContainer.swift in Sources */,
51E4993C24A8709900B667CB /* AppDelegate.swift in Sources */,
@ -4961,6 +5030,8 @@
17930ED424AF10EE00A9BA52 /* AddWebFeedView.swift in Sources */,
51E4995124A8734D00B667CB /* ExtensionPointManager.swift in Sources */,
51E4990C24A808C500B667CB /* AuthorAvatarDownloader.swift in Sources */,
5177472224B38CAE00EB0F74 /* ArticleExtractorButtonState.swift in Sources */,
5177471A24B3863000EB0F74 /* WebViewProvider.swift in Sources */,
51E4992124A8095000B667CB /* RSImage-Extensions.swift in Sources */,
51E4990324A808BB00B667CB /* FaviconDownloader.swift in Sources */,
172199ED24AB2E0100A31D04 /* SafariView.swift in Sources */,
@ -5030,6 +5101,7 @@
51E4995B24A875D500B667CB /* ArticlePasteboardWriter.swift in Sources */,
51E4993424A867E700B667CB /* UserInfoKey.swift in Sources */,
1776E88F24AC5F8A00E78166 /* AppDefaults.swift in Sources */,
517B2EEC24B40E09001AC46C /* TimelineTitleModifier.swift in Sources */,
1729529724AA1CD000D65E66 /* MacPreferencesView.swift in Sources */,
51E4994C24A8734C00B667CB /* RedditFeedProvider-Extensions.swift in Sources */,
1729529324AA1CAA00D65E66 /* AccountsPreferencesView.swift in Sources */,

View File

@ -12,7 +12,7 @@ import WebKit
/// WKWebView has an awful behavior of a flash to white on first load when in dark mode.
/// Keep a queue of WebViews where we've already done a trivial load so that by the time we need them in the UI, they're past the flash-to-shite part of their lifecycle.
class WebViewProvider: NSObject {
class : NSObject {
private let articleIconSchemeHandler: ArticleIconSchemeHandler
private let operationQueue = MainThreadOperationQueue()