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Move 'new version' support into Platform

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This commit is contained in:
David Baker 2016-11-02 16:02:55 +00:00
parent a714edbf2b
commit 64fdb290eb
4 changed files with 86 additions and 59 deletions
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46
src/vector/updater.js
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@ -13,48 +13,18 @@ WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
*/
import PlatformPeg from 'matrix-react-sdk/lib/PlatformPeg';
var POKE_RATE_MS = 10 * 60 * 1000; // 10 min
var currentVersion = null;
var latestVersion = null;
var listener = function(){}; // NOP
module.exports = {
setVersionListener: function(fn) { // invoked with fn(currentVer, newVer)
listener = fn;
start: function() {
module.exports.poll();
setInterval(module.exports.poll, POKE_RATE_MS);
},
run: function() {
var req = new XMLHttpRequest();
req.addEventListener("load", function() {
if (!req.responseText) {
return;
}
var ver = req.responseText.trim();
if (!currentVersion) {
currentVersion = ver;
listener(currentVersion, currentVersion);
}
if (ver !== latestVersion) {
latestVersion = ver;
if (module.exports.hasNewVersion()) {
console.log("Current=%s Latest=%s", currentVersion, latestVersion);
listener(currentVersion, latestVersion);
}
}
});
var cacheBuster = "?ts=" + new Date().getTime();
req.open("GET", "version" + cacheBuster);
req.send(); // can't suppress 404s from being logged.
setTimeout(module.exports.run, POKE_RATE_MS);
},
getCurrentVersion: function() {
return currentVersion;
},
hasNewVersion: function() {
return currentVersion && latestVersion && (currentVersion !== latestVersion);
poll: function() {
PlatformPeg.get().pollForUpdate();
}
};