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authorhubzilla <git@macgirvin.com>2016-07-04 06:38:49 +1000
committerGitHub <noreply@github.com>2016-07-04 06:38:49 +1000
commitf46eecc1e7585e64069bb18918a2db057a16c480 (patch)
treeff9a7a78a344dcce8a13c2757ec88b41c7feb7d1
parent523e7b5084b1ae62e151d1183f5150ffd9d9e60c (diff)
parent5c062aaec410ca1d5275a4a7079dadddb82c3097 (diff)
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Merge pull request #448 from Treer/avatars
Force local cache update when user changes their profile picture
-rw-r--r--Zotlabs/Module/New_channel.php4
-rw-r--r--Zotlabs/Module/Profile_photo.php2
-rw-r--r--include/nav.php13
-rw-r--r--view/tpl/force_image_reload.tpl72
4 files changed, 89 insertions, 2 deletions
diff --git a/Zotlabs/Module/New_channel.php b/Zotlabs/Module/New_channel.php
index 1dcf84fb0..26883b6e2 100644
--- a/Zotlabs/Module/New_channel.php
+++ b/Zotlabs/Module/New_channel.php
@@ -125,9 +125,9 @@ class New_channel extends \Zotlabs\Web\Controller {
}
}
- $name = array('name', t('Name or caption'), ((x($_REQUEST,'name')) ? $_REQUEST['name'] : ''), t('Examples: "Bob Jameson", "Lisa and her Horses", "Soccer", "Aviation Group"'));
+ $name = array('name', t('Name or caption'), ((x($_REQUEST,'name')) ? $_REQUEST['name'] : ''), t('Examples: "Bob Jameson", "Lisa and her Horses", "Soccer", "Aviation Group"'), "*");
$nickhub = '@' . \App::get_hostname();
- $nickname = array('nickname', t('Choose a short nickname'), ((x($_REQUEST,'nickname')) ? $_REQUEST['nickname'] : ''), sprintf( t('Your nickname will be used to create an easy to remember channel address e.g. nickname%s'), $nickhub));
+ $nickname = array('nickname', t('Choose a short nickname'), ((x($_REQUEST,'nickname')) ? $_REQUEST['nickname'] : ''), sprintf( t('Your nickname will be used to create an easy to remember channel address e.g. nickname%s'), $nickhub), "*");
$privacy_role = ((x($_REQUEST,'permissions_role')) ? $_REQUEST['permissions_role'] : "" );
$role = array('permissions_role' , t('Channel role and privacy'), ($privacy_role) ? $privacy_role : 'social', t('Select a channel role with your privacy requirements.') . ' <a href="help/roles" target="_blank">' . t('Read more about roles') . '</a>',get_roles());
diff --git a/Zotlabs/Module/Profile_photo.php b/Zotlabs/Module/Profile_photo.php
index 9359b80f8..f459f7deb 100644
--- a/Zotlabs/Module/Profile_photo.php
+++ b/Zotlabs/Module/Profile_photo.php
@@ -180,6 +180,8 @@ class Profile_photo extends \Zotlabs\Web\Controller {
dbesc(datetime_convert()),
dbesc($channel['xchan_hash'])
);
+ // Similarly, tell the nav bar to bypass the cache and update the avater image.
+ $_SESSION['reload_avatar'] = true;
info( t('Shift-reload the page or clear browser cache if the new photo does not display immediately.') . EOL);
diff --git a/include/nav.php b/include/nav.php
index 6a79b6530..1fb0e98dc 100644
--- a/include/nav.php
+++ b/include/nav.php
@@ -255,6 +255,19 @@ $powered_by = '';
'$pleasewait' => t('Please wait...')
));
+
+ if(x($_SESSION, 'reload_avatar') && $observer) {
+ // The avatar has been changed on the server but the browser doesn't know that,
+ // force the browser to reload the image from the server instead of its cache.
+ $tpl = get_markup_template('force_image_reload.tpl');
+
+ App::$page['nav'] .= replace_macros($tpl, array(
+ '$imgUrl' => $observer['xchan_photo_m']
+ ));
+ unset($_SESSION['reload_avatar']);
+ }
+
+
call_hooks('page_header', App::$page['nav']);
}
diff --git a/view/tpl/force_image_reload.tpl b/view/tpl/force_image_reload.tpl
new file mode 100644
index 000000000..839bd22b5
--- /dev/null
+++ b/view/tpl/force_image_reload.tpl
@@ -0,0 +1,72 @@
+{{*
+Force the browser to reload an image from the server instead of the cache.
+based on an answer from http://stackoverflow.com/a/22429796/3343347
+
+Usage: Set $imgUrl to the src url you want to be re-fetched from the server
+
+*}}
+
+<script>
+ $(document).ready(
+ function() {
+ forceImgReload("{{$imgUrl}}");
+ }
+ );
+
+ {{*
+ * find and return any existing img tags with a matching src url, and set them to an intermediate
+ * src url so they can later be reverted back once the cached version has been updated.
+ *}}
+ function prepareImagesForReload(srcUrl) {
+
+ var result = $("img[src='" + srcUrl + "']").get();
+
+ for (i = 0; i < result.length; i++) {
+ {{*
+ * Set the image to a reloading image, in this case an animated "reloading" svg
+ * Ideally this wont be displayed long enough to matter.
+ *}}
+ result[i].src = "data:image/svg+xml;charset=utf8,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 100 100' preserveAspectRatio='xMidYMid' class='uil-reload'%3E%3Cpath fill='none' class='bk' d='M0 0h100v100H0z'/%3E%3Cg%3E%3Cpath d='M50 15a35 35 0 1 0 24.787 10.213' fill='none' stroke='%23777' stroke-width='12'/%3E%3Cpath d='M50 0v30l16-15L50 0' fill='%23777'/%3E%3CanimateTransform attributeName='transform' type='rotate' from='0 50 50' to='360 50 50' dur='1s' repeatCount='indefinite'/%3E%3C/g%3E%3C/svg%3E";
+ }
+
+ return result;
+ }
+
+ function restoreImages(srcUrl, imgList) {
+
+ for (i = 0; i < imgList.length; i++) {
+ imgList[i].src = srcUrl;
+ }
+ }
+
+ function forceImgReload(srcUrl) {
+ var imgList;
+ var step = 0;
+ var iframe = window.document.createElement("iframe"); // Hidden iframe, in which to perform the load+reload.
+
+ {{* Callback function, called after iframe load+reload completes (or fails).
+ Will be called TWICE unless twostage-mode process is cancelled. (Once after load, once after reload). *}}
+ var iframeLoadCallback = function(e) {
+
+ if (step === 0) {
+ // initial load just completed. Note that it doesn't actually matter if this load succeeded or not.
+
+ step = 1;
+ imgList = prepareImagesForReload(srcUrl);
+ iframe.contentWindow.location.reload(true); // initiate forced-reload!
+
+ } else if (step === 1) {
+ // forced re-load is done
+
+ restoreImages(srcUrl, imgList);
+ if (iframe.parentNode) iframe.parentNode.removeChild(iframe);
+ }
+ }
+
+ iframe.style.display = "none";
+ window.parent.document.body.appendChild(iframe); {{* NOTE: if this is done AFTER setting src, Firefox MAY fail to fire the load event! *}}
+ iframe.addEventListener("load", iframeLoadCallback, false);
+ iframe.addEventListener("error", iframeLoadCallback, false);
+ iframe.src = srcUrl;
+ }
+</script>