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more UI stuffs for feed item and content
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -1,49 +1,94 @@ | ||
| <script> | ||
|
|
||
| Polymer({ | ||
| name: 'pi-feed', | ||
| bind: { | ||
| topic: 'topicChanged' | ||
| }, | ||
| topicChanged: function() { | ||
| if (this.topic) { | ||
| this.populateFeed(this.topic); | ||
| (function() { | ||
|
|
||
| Polymer({ | ||
| name: 'pi-feed', | ||
| bind: { | ||
| topic: 'topicChanged' | ||
| }, | ||
| topicChanged: function() { | ||
| if (this.topic) { | ||
| this.populateFeed(this.topic); | ||
| } | ||
| }, | ||
| populateFeed: function(topic) { | ||
| var googleFeeds = document.createElement('google-feeds'); | ||
| googleFeeds.addEventListener('google-feeds-response', function(e) { | ||
| var feed = e.detail.feed; | ||
| var items = feed && feed.entries || []; | ||
| topic.items = items; | ||
| // favicon | ||
| var icon = GET_FAVICON_URL + feed.link; | ||
| // | ||
| items.forEach(function(item) { | ||
| // scrape image url | ||
| var m$ = item.content.match(/<img[^>]+src="([^">]+)"/); | ||
| item.thumb = m$ && m$[1]; | ||
| // time since | ||
| if (item.publishedDate) { | ||
| var d = item._date || new Date(item.publishedDate); | ||
| item._date = d; | ||
| item.since = timeSince(d); | ||
| } | ||
| // | ||
| item.label = feed.title; | ||
| item.icon = icon; | ||
| item.blurb = item.contentSnippet; | ||
| }); | ||
| this.fire('feed-load'); | ||
| this.findTopicThumbnail(); | ||
| }.bind(this)); | ||
| googleFeeds.feed = topic.feed; | ||
| }, | ||
| findTopicThumbnail: function(index) { | ||
| index = index || 0; | ||
| var item = this.topic.items[index]; | ||
| if (!this.topic.thumb && item) { | ||
| var image = new Image(); | ||
| image.src = item.thumb; | ||
| image.onload = this.thumbnailLoaded.bind(this, index); | ||
| } | ||
| }, | ||
| thumbnailLoaded: function(index, e) { | ||
| var img = e.currentTarget; | ||
| // use the image if the size > 10 x 10px | ||
| if (img.width > 10 && img.height > 10) { | ||
| this.topic.thumb = img.src; | ||
| this.fire('topic-thumb-change'); | ||
| } else { | ||
| this.findTopicThumbnail(++index); | ||
| } | ||
| } | ||
| }, | ||
| populateFeed: function(topic) { | ||
| var googleFeeds = document.createElement('google-feeds'); | ||
| googleFeeds.addEventListener('google-feeds-response', function(e) { | ||
| var items = e.detail.feed && e.detail.feed.entries || []; | ||
| topic.items = items; | ||
| items.forEach(function(item) { | ||
| var m$ = item.content.match(/<img[^>]+src="([^">]+)"/); | ||
| item.thumb = m$ && m$[1]; | ||
| item.blurb = item.contentSnippet; | ||
| }); | ||
| this.fire('feed-load'); | ||
| this.findTopicThumbnail(); | ||
| }.bind(this)); | ||
| googleFeeds.feed = topic.feed; | ||
| }, | ||
| findTopicThumbnail: function(index) { | ||
| index = index || 0; | ||
| var item = this.topic.items[index]; | ||
| if (!this.topic.thumb && item) { | ||
| var image = new Image(); | ||
| image.src = item.thumb; | ||
| image.onload = this.thumbnailLoaded.bind(this, index); | ||
| }); | ||
|
|
||
| var GET_FAVICON_URL = 'http://s2.googleusercontent.com/s2/favicons?alt=feed&domain_url='; | ||
|
|
||
| function timeSince(date) { | ||
| var s = Math.floor(((new Date()) - date) / 1000); | ||
| var t = Math.floor(s / 31536000); | ||
| if (t > 1) { | ||
| return t + 'y'; | ||
| } | ||
| }, | ||
| thumbnailLoaded: function(index, e) { | ||
| var img = e.currentTarget; | ||
| // use the image if the size > 10 x 10px | ||
| if (img.width > 10 && img.height > 10) { | ||
| this.topic.thumb = img.src; | ||
| this.fire('topic-thumb-change'); | ||
| } else { | ||
| this.findTopicThumbnail(++index); | ||
| t = Math.floor(s / 2592000); | ||
| if (t > 1) { | ||
| return t + 'M'; | ||
| } | ||
| } | ||
| }); | ||
| t = Math.floor(s / 86400); | ||
| if (t >= 1) { | ||
| return t + 'd'; | ||
| } | ||
| t = Math.floor(s / 3600); | ||
| if (t >= 1) { | ||
| return t + 'h'; | ||
| } | ||
| t = Math.floor(s / 60); | ||
| if (t > 1) { | ||
| return t + 'm'; | ||
| } | ||
| return Math.floor(s) + 's'; | ||
| }; | ||
|
|
||
| })(); | ||
|
|
||
| </script> |
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