some scrolling updates

This commit is contained in:
Ailin Nemui 2014-09-23 02:08:27 +02:00
parent a3bb4a5917
commit 0b15e2f74f
3 changed files with 67 additions and 24 deletions

View file

@ -278,7 +278,7 @@ $ openssl req -nodes -newkey rsa:4096 -keyout relay.pem -x509 -days 365 -out rel
</td>
</tr>
</tbody>
</table>
</table><span id="end-of-buffer"></span>
</div>
<div class="footer" ng-class="{'withnicklist': showNicklist}">
<div input-bar input-id="sendMessage" command="command"></div>

View file

@ -149,16 +149,33 @@ weechat.controller('WeechatCtrl', ['$rootScope', '$scope', '$store', '$timeout',
// Most relevant when first connecting to properly initalise
function() {
$timeout(function() {
var bufferlines = document.getElementById("bufferlines");
$rootScope.originalBufferlinesPosition = bufferlines.scrollTop + bufferlines.scrollHeight;
var bl = document.getElementById("bufferlines");
var lastScrollHeight = bl.scrollHeight;
var scrollHeightObserver = function() {
if (bl) {
var newScrollHeight = bl.scrollHeight;
if (newScrollHeight !== lastScrollHeight) {
$rootScope.updateBufferBottom($rootScope.bufferBottom);
lastScrollHeight = newScrollHeight;
}
setTimeout(scrollHeightObserver, 500);
}
};
$rootScope.updateBufferBottom(true);
$rootScope.scrollWithBuffer(true);
bl.onscroll = _.debounce(function() {
$rootScope.updateBufferBottom();
}, 80);
setTimeout(scrollHeightObserver, 500);
});
}
);
}
notifications.updateTitle(ab);
$rootScope.scrollWithBuffer(true);
$timeout(function() {
$rootScope.scrollWithBuffer(true);
});
// If user wants to sync hotlist with weechat
// we will send a /buffer bufferName command every time
// the user switches a buffer. This will ensure that notifications
@ -405,6 +422,9 @@ weechat.controller('WeechatCtrl', ['$rootScope', '$scope', '$store', '$timeout',
};
$scope.calculateNumLines();
// get animationframe method
window.requestAnimationFrame = window.requestAnimationFrame || window.mozRequestAnimationFrame || window.webkitRequestAnimationFrame;
// Recalculate number of lines on resize
window.addEventListener("resize", _.debounce(function() {
// Recalculation fails when not connected
@ -419,17 +439,16 @@ weechat.controller('WeechatCtrl', ['$rootScope', '$scope', '$store', '$timeout',
// if we're scrolled to the bottom, scroll down to the same position after the resize
// most common use case: opening the keyboard on a mobile device
var bufferlines = document.getElementById("bufferlines");
if ($rootScope.originalBufferlinesPosition === bufferlines.scrollHeight + bufferlines.scrollTop) {
$timeout(function() {
bufferlines.scrollTop = bufferlines.scrollHeight;
}, 100);
if ($rootScope.bufferBottom) {
var rescroll = function(){
$rootScope.updateBufferBottom(true);
};
$timeout(rescroll, 500);
window.requestAnimationFrame(rescroll);
}
$rootScope.originalBufferlinesPosition = bufferlines.scrollTop + bufferlines.scrollHeight;
}
}, 100));
$rootScope.loadingLines = false;
$scope.fetchMoreLines = function(numLines) {
if (!numLines) {
@ -438,6 +457,14 @@ weechat.controller('WeechatCtrl', ['$rootScope', '$scope', '$store', '$timeout',
return connection.fetchMoreLines(numLines);
};
$rootScope.updateBufferBottom = function(bottom) {
var eob = document.getElementById("end-of-buffer");
var bl = document.getElementById('bufferlines');
if (bottom) {
eob.scrollIntoView();
}
$rootScope.bufferBottom = eob.offsetTop <= bl.scrollTop + bl.clientHeight;
};
$rootScope.scrollWithBuffer = function(scrollToReadmarker, moreLines) {
// First, get scrolling status *before* modification
// This is required to determine where we were in the buffer pre-change
@ -460,15 +487,15 @@ weechat.controller('WeechatCtrl', ['$rootScope', '$scope', '$store', '$timeout',
bl.scrollTop = bl.scrollHeight - bl.clientHeight - sVal;
} else {
// New message, scroll with buffer (i.e. to bottom)
bl.scrollTop = bl.scrollHeight - bl.clientHeight;
var eob = document.getElementById("end-of-buffer");
eob.scrollIntoView();
}
$rootScope.updateBufferBottom();
}
};
// Here be scrolling dragons
$timeout(scroll);
$timeout(scroll, 100);
$timeout(scroll, 300);
$timeout(scroll, 500);
window.requestAnimationFrame(scroll);
};
@ -477,6 +504,7 @@ weechat.controller('WeechatCtrl', ['$rootScope', '$scope', '$store', '$timeout',
$rootScope.sslError = false;
$rootScope.securityError = false;
$rootScope.errorMessage = false;
$rootScope.bufferBottom = true;
$scope.connectbutton = 'Connecting ...';
connection.connect($scope.host, $scope.port, $scope.password, $scope.ssl);
};
@ -563,6 +591,12 @@ weechat.controller('WeechatCtrl', ['$rootScope', '$scope', '$store', '$timeout',
// Watch model and update show setting when it changes
$scope.$watch('nonicklist', function() {
$scope.showNicklist = $scope.updateShowNicklist();
// restore bottom view
if ($rootScope.connected && $rootScope.bufferBottom) {
$timeout(function(){
$rootScope.updateBufferBottom(true);
}, 500);
}
});
$scope.showNicklist = false;
// Utility function that template can use to check if nicklist should

View file

@ -33,7 +33,7 @@ weechat.directive('plugin', ['$rootScope', function($rootScope) {
$scope.plugin.visible = false;
};
$scope.showContent = function() {
$scope.showContent = function(automated) {
/*
* Shows the plugin content.
* displayedContent is bound to the DOM.
@ -56,16 +56,25 @@ weechat.directive('plugin', ['$rootScope', function($rootScope) {
$scope.plugin.visible = true;
// Scroll embed content into view
var scroll = function() {
if (embed && embed.scrollIntoViewIfNeeded !== undefined) {
embed.scrollIntoViewIfNeeded();
}
};
setTimeout(scroll, 100);
var scroll;
if (automated) {
var wasBottom = $rootScope.bufferBottom;
scroll = function() {
$rootScope.updateBufferBottom(wasBottom);
};
} else {
scroll = function() {
if (embed && embed.scrollIntoViewIfNeeded !== undefined) {
embed.scrollIntoViewIfNeeded();
$rootScope.updateBufferBottom();
}
};
}
setTimeout(scroll, 500);
};
if ($scope.plugin.visible) {
$scope.showContent();
$scope.showContent(true);
}
}]
};