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Update Tumblr plugin #623

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merged 2 commits into from
Oct 20, 2020
Merged

Update Tumblr plugin #623

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d1abec1
Tumblr: Fix hovering over links to Tumblr posts
Oct 19, 2020
33dd5ef
Tumblr: Fix hovering images in posts on the Dashboard
Oct 19, 2020
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77 changes: 67 additions & 10 deletions plugins/tumblr_a.js
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Original file line number Diff line number Diff line change
Expand Up @@ -33,6 +33,33 @@ hoverZoomPlugins.push({
hoverZoom.displayPicFromElement(link);
});
});

// New in 2020, I guess: <img> tags with "srcset" attribute.
// The "src" attribute is empty.
$('img[srcset*="media.tumblr.com/"]').one('mouseenter', function () {
var img = $(this), link = img.parents('a:eq(0)'),
link = link.length ? link : img,
data = link.data();
if (data.hoverZoomSrc) {
return;
}

// If this image is also a link to a post, don't extract the image.
// Let the code that handles links to posts extract /all/ images in the post.
// This can happen when hovering over the three previews in a user profile popup.
var href = link.attr("href");
if (href && href.includes("tumblr.com/post/")) {
return;
}

// The "srcset" attribute contains the available versions of the image,
// in the format "url1 size1, url2 size2, urlN sizeN", sorted by size, largest last.
var srcset = img.attr('srcset').split(" ");

link.data().hoverZoomSrc = [srcset[srcset.length - 2]];
link.addClass('hoverZoomLink');
hoverZoom.displayPicFromElement(link);
});
hoverZoom.urlReplace(res,
'a[href*="tumblr.com/photo/"]',
'',
Expand All @@ -45,20 +72,50 @@ hoverZoomPlugins.push({
return;
}

$.getJSON('https://api.tumblr.com/v2/blog/' + aHref[2] + '/posts?id=' + aHref[4] + '&api_key=GSgWCc96GxL3x2OlEtMUE56b8gjbFHSV5wf8Zm8Enr1kNcjt3U', function (data) {
// Send "npf=true" so that we receive the post in "Neue Post Format" (New Post Format),
// which provides the URL for the original image size.
$.getJSON('https://api.tumblr.com/v2/blog/' + aHref[2] + '/posts?id=' + aHref[4] + '&api_key=GSgWCc96GxL3x2OlEtMUE56b8gjbFHSV5wf8Zm8Enr1kNcjt3U&npf=true', function (data) {
if (data && data.response && data.response.posts && data.response.posts[0]) {
var post = data.response.posts[0];
if (post.photos && post.photos[0]) {
if (post.photos.length > 1) {
lData.hoverZoomGallerySrc = [];
lData.hoverZoomGalleryCaption = [];
post.photos.forEach(function (photo) {
lData.hoverZoomGallerySrc.push([photo.alt_sizes[0].url]);
lData.hoverZoomGalleryCaption.push(photo.caption);

var images = [];

// If the post is a reblog, the content from the original post(s)
// may be found in the reblog "trail", sorted by age, oldest first.
if (post.trail) {
post.trail.forEach(function (trail_post) {
trail_post.content.forEach(function (content_block) {
if (content_block.type == "image") {
images.push(content_block.media[0].url);
}
});
} else {
lData.hoverZoomSrc = [post.photos[0].alt_sizes[0].url];
});
}

// Then the content of the post itself, if any, is in here.
post.content.forEach(function (content_block) {
if (content_block.type == "image") {
// The available versions of an image are in the "media" array.
// They seem to be sorted by size, largest first.
images.push(content_block.media[0].url);

// According to the Tumblr API docs, content_block.alt_text
// should contain the image description, but alt_text is missing,
// and there is no image description anywhere else in content_block.
}
});

if (images.length == 1) {
lData.hoverZoomSrc = [images[0]];
} else if (images.length > 1) {
lData.hoverZoomGallerySrc = [];

images.forEach(function (image) {
lData.hoverZoomGallerySrc.push([image]);
});
}

if (images.length > 0) {
link.addClass('hoverZoomLink');
callback($([link]));
hoverZoom.displayPicFromElement(link);
Expand Down