Merge pull request #484 from ailin-nemui/scrolling-poll2
[Please test] some scrolling updates via polling
This commit is contained in:
Tor Hveem
commit
84c425cb41
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@ -279,7 +279,7 @@ $ openssl req -nodes -newkey rsa:4096 -keyout relay.pem -x509 -days 365 -out rel
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</td>
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</tr>
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</tbody>
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</table>
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</table><span id="end-of-buffer"></span>
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</div>
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<div class="footer" ng-class="{'withnicklist': showNicklist}">
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<div input-bar input-id="sendMessage" command="command"></div>
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@ -149,16 +149,33 @@ weechat.controller('WeechatCtrl', ['$rootScope', '$scope', '$store', '$timeout',
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// Most relevant when first connecting to properly initalise
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function() {
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$timeout(function() {
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var bufferlines = document.getElementById("bufferlines");
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$rootScope.originalBufferlinesPosition = bufferlines.scrollTop + bufferlines.scrollHeight;
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var bl = document.getElementById("bufferlines");
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var lastScrollHeight = bl.scrollHeight;
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var scrollHeightObserver = function() {
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if (bl) {
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var newScrollHeight = bl.scrollHeight;
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if (newScrollHeight !== lastScrollHeight) {
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$rootScope.updateBufferBottom($rootScope.bufferBottom);
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lastScrollHeight = newScrollHeight;
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}
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setTimeout(scrollHeightObserver, 500);
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}
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};
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$rootScope.updateBufferBottom(true);
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$rootScope.scrollWithBuffer(true);
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bl.onscroll = _.debounce(function() {
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$rootScope.updateBufferBottom();
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}, 80);
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setTimeout(scrollHeightObserver, 500);
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});
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}
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);
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}
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notifications.updateTitle(ab);
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$timeout(function() {
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$rootScope.scrollWithBuffer(true);
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});
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// If user wants to sync hotlist with weechat
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// we will send a /buffer bufferName command every time
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// the user switches a buffer. This will ensure that notifications
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@ -405,6 +422,9 @@ weechat.controller('WeechatCtrl', ['$rootScope', '$scope', '$store', '$timeout',
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};
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$scope.calculateNumLines();
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// get animationframe method
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window.requestAnimationFrame = window.requestAnimationFrame || window.mozRequestAnimationFrame || window.webkitRequestAnimationFrame;
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// Recalculate number of lines on resize
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window.addEventListener("resize", _.debounce(function() {
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// Recalculation fails when not connected
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@ -419,17 +439,16 @@ weechat.controller('WeechatCtrl', ['$rootScope', '$scope', '$store', '$timeout',
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// if we're scrolled to the bottom, scroll down to the same position after the resize
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// most common use case: opening the keyboard on a mobile device
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var bufferlines = document.getElementById("bufferlines");
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if ($rootScope.originalBufferlinesPosition === bufferlines.scrollHeight + bufferlines.scrollTop) {
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$timeout(function() {
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bufferlines.scrollTop = bufferlines.scrollHeight;
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}, 100);
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if ($rootScope.bufferBottom) {
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var rescroll = function(){
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$rootScope.updateBufferBottom(true);
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};
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$timeout(rescroll, 500);
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window.requestAnimationFrame(rescroll);
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}
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$rootScope.originalBufferlinesPosition = bufferlines.scrollTop + bufferlines.scrollHeight;
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}
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}, 100));
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$rootScope.loadingLines = false;
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$scope.fetchMoreLines = function(numLines) {
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if (!numLines) {
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@ -438,6 +457,14 @@ weechat.controller('WeechatCtrl', ['$rootScope', '$scope', '$store', '$timeout',
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return connection.fetchMoreLines(numLines);
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};
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$rootScope.updateBufferBottom = function(bottom) {
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var eob = document.getElementById("end-of-buffer");
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var bl = document.getElementById('bufferlines');
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if (bottom) {
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eob.scrollIntoView();
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}
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$rootScope.bufferBottom = eob.offsetTop <= bl.scrollTop + bl.clientHeight;
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};
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$rootScope.scrollWithBuffer = function(scrollToReadmarker, moreLines) {
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// First, get scrolling status *before* modification
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// This is required to determine where we were in the buffer pre-change
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@ -460,15 +487,15 @@ weechat.controller('WeechatCtrl', ['$rootScope', '$scope', '$store', '$timeout',
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bl.scrollTop = bl.scrollHeight - bl.clientHeight - sVal;
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} else {
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// New message, scroll with buffer (i.e. to bottom)
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bl.scrollTop = bl.scrollHeight - bl.clientHeight;
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var eob = document.getElementById("end-of-buffer");
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eob.scrollIntoView();
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}
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$rootScope.updateBufferBottom();
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}
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};
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// Here be scrolling dragons
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$timeout(scroll);
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$timeout(scroll, 100);
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$timeout(scroll, 300);
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$timeout(scroll, 500);
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window.requestAnimationFrame(scroll);
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};
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@ -477,6 +504,7 @@ weechat.controller('WeechatCtrl', ['$rootScope', '$scope', '$store', '$timeout',
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$rootScope.sslError = false;
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$rootScope.securityError = false;
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$rootScope.errorMessage = false;
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$rootScope.bufferBottom = true;
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$scope.connectbutton = 'Connecting ...';
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connection.connect($scope.host, $scope.port, $scope.password, $scope.ssl);
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};
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@ -563,6 +591,12 @@ weechat.controller('WeechatCtrl', ['$rootScope', '$scope', '$store', '$timeout',
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// Watch model and update show setting when it changes
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$scope.$watch('nonicklist', function() {
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$scope.showNicklist = $scope.updateShowNicklist();
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// restore bottom view
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if ($rootScope.connected && $rootScope.bufferBottom) {
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$timeout(function(){
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$rootScope.updateBufferBottom(true);
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}, 500);
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}
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});
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$scope.showNicklist = false;
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// Utility function that template can use to check if nicklist should
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@ -33,7 +33,7 @@ weechat.directive('plugin', ['$rootScope', function($rootScope) {
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$scope.plugin.visible = false;
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};
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$scope.showContent = function() {
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$scope.showContent = function(automated) {
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/*
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* Shows the plugin content.
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* displayedContent is bound to the DOM.
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@ -56,16 +56,25 @@ weechat.directive('plugin', ['$rootScope', function($rootScope) {
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$scope.plugin.visible = true;
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// Scroll embed content into view
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var scroll = function() {
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var scroll;
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if (automated) {
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var wasBottom = $rootScope.bufferBottom;
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scroll = function() {
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$rootScope.updateBufferBottom(wasBottom);
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};
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} else {
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scroll = function() {
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if (embed && embed.scrollIntoViewIfNeeded !== undefined) {
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embed.scrollIntoViewIfNeeded();
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$rootScope.updateBufferBottom();
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}
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};
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setTimeout(scroll, 100);
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}
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setTimeout(scroll, 500);
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};
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if ($scope.plugin.visible) {
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$scope.showContent();
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$scope.showContent(true);
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}
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}]
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};
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