From 01d93f81f67f71189dc5e484c29c1f4918078fd8 Mon Sep 17 00:00:00 2001
From: Robin Appelman <icewind@owncloud.com>
Date: Fri, 4 Apr 2014 17:10:46 +0200
Subject: [PATCH] Show higher resolution previews for high dpi screens
---
apps/files/js/files.js | 6 ++++--
core/js/compatibility.js | 4 ++++
2 files changed, 8 insertions(+), 2 deletions(-)
diff --git a/apps/files/js/files.js b/apps/files/js/files.js
index 4c2d87d808c..ceb096f0941 100644
--- a/apps/files/js/files.js
+++ b/apps/files/js/files.js
@@ -663,6 +663,8 @@ Files.generatePreviewUrl = function(urlSpec) {
if (!urlSpec.y) {
urlSpec.y = $('#filestable').data('preview-y');
}
+ urlSpec.y *= window.devicePixelRatio;
+ urlSpec.x *= window.devicePixelRatio;
urlSpec.forceIcon = 0;
return OC.generateUrl('/core/preview.png?') + $.param(urlSpec);
}
@@ -670,7 +672,7 @@ Files.generatePreviewUrl = function(urlSpec) {
Files.lazyLoadPreview = function(path, mime, ready, width, height, etag) {
// get mime icon url
Files.getMimeIcon(mime, function(iconURL) {
- var previewURL;
+ var previewURL,
urlSpec = {};
ready(iconURL); // set mimeicon URL
@@ -696,7 +698,7 @@ Files.lazyLoadPreview = function(path, mime, ready, width, height, etag) {
if (img.width > 5) {
ready(previewURL);
}
- }
+ };
img.src = previewURL;
});
};
diff --git a/core/js/compatibility.js b/core/js/compatibility.js
index 6548f95d42b..c07288857f2 100644
--- a/core/js/compatibility.js
+++ b/core/js/compatibility.js
@@ -148,3 +148,7 @@ function outerHTML(node){
return h;
})(node);
}
+
+// devicePixelRatio for IE10
+window.devicePixelRatio = window.devicePixelRatio ||
+ window.screen.deviceXDPI / window.screen.logicalXDPI || 1;
--
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