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GUAC-955: Add guacViewport directive which maintains content within the visible portion of the browser window, even if the browser magically scrolls itself.

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This commit is contained in:
Michael Jumper
2014-12-28 02:27:44 -08:00
parent ede9182655
commit c39ba2151b
5 changed files with 163 additions and 20 deletions
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87
guacamole/src/main/webapp/app/client/directives/guacViewport.js Normal file
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@@ -0,0 +1,87 @@
/*
* Copyright (C) 2014 Glyptodon LLC
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*/
/**
* A directive which provides a fullscreen environment for its content.
*/
angular.module('client').directive('guacViewport', [function guacViewport() {
return {
// Element only
restrict: 'E',
scope: false,
transclude: true,
templateUrl: 'app/client/templates/guacViewport.html',
controller: ['$window', '$document', '$element',
function guacViewportController($window, $document, $element) {
/**
* The fullscreen container element.
*
* @type Element
*/
var element = $element.find('.viewport')[0];
/**
* The main document object.
*
* @type Document
*/
var document = $document[0];
/**
* The current adjusted height of the viewport element, if any.
*
* @type Number
*/
var currentAdjustedHeight = null;
// Fit container within visible region when window scrolls
$window.onscroll = function fitScrollArea() {
// Pull scroll properties
var scrollLeft = document.body.scrollLeft;
var scrollTop = document.body.scrollTop;
var scrollWidth = document.body.scrollWidth;
var scrollHeight = document.body.scrollHeight;
// Calculate new height
var adjustedHeight = $window.innerHeight - scrollTop;
// Only update if not in response to our own call to scrollTo()
if (scrollLeft !== scrollWidth && scrollTop !== scrollHeight
&& currentAdjustedHeight !== adjustedHeight) {
// Adjust element to fit exactly within visible area
element.style.height = adjustedHeight + 'px';
currentAdjustedHeight = adjustedHeight;
// Scroll to bottom
$window.scrollTo(scrollWidth, scrollHeight);
}
};
}]
};
}]);

2
guacamole/src/main/webapp/app/client/styles/client.css
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@@ -39,7 +39,7 @@ body.client {
.client-view {
display: table;
position: fixed;
position: absolute;
top: 0;
left: 0;
width: 100%;

30
guacamole/src/main/webapp/app/client/styles/viewport.css Normal file
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@@ -0,0 +1,30 @@
/*
* Copyright (C) 2013 Glyptodon LLC
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*/
.viewport {
position: fixed;
bottom: 0;
left: 0;
width: 100%;
height: 100%;
overflow: hidden;
}

41
guacamole/src/main/webapp/app/client/templates/client.html
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@@ -21,35 +21,38 @@
-->
<!-- Client view -->
<div class="client-view">
<guac-viewport>
<div class="client-view">
<!-- Central portion of view -->
<div class="client-body" guac-touch-drag="clientDrag" guac-touch-pinch="clientPinch">
<!-- Central portion of view -->
<div class="client-body" guac-touch-drag="clientDrag" guac-touch-pinch="clientPinch">
<!-- Client -->
<guac-client
client-properties="clientProperties"
id="id"
connection-parameters="connectionParameters"/></guac-client>
<!-- Client -->
<guac-client
client-properties="clientProperties"
id="id"
connection-parameters="connectionParameters"/></guac-client>
</div>
</div>
<!-- Bottom portion of view -->
<div class="client-bottom">
<!-- Bottom portion of view -->
<div class="client-bottom">
<!-- Text input -->
<div class="text-input-container" ng-show="showTextInput">
<guac-text-input needs-focus="showTextInput"></guac-text-input>
</div>
<!-- Text input -->
<div class="text-input-container" ng-show="showTextInput">
<guac-text-input needs-focus="showTextInput"></guac-text-input>
</div>
</div>
</div>
<!-- On-screen keyboard -->
<div class="keyboard-container" ng-class="{shown: showOSK}">
<guac-osk layout="'CLIENT.URL_OSK_LAYOUT' | translate"/>
</div>
<!-- On-screen keyboard -->
<div class="keyboard-container" ng-class="{shown: showOSK}">
<guac-osk layout="'CLIENT.URL_OSK_LAYOUT' | translate"/>
</div>
</guac-viewport>
<!-- Menu -->
<div ng-class="{open: menuShown}" id="menu" guac-touch-drag="menuDrag">

23
guacamole/src/main/webapp/app/client/templates/guacViewport.html Normal file
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@@ -0,0 +1,23 @@
<div class="viewport" ng-transclude>
<!--
Copyright (C) 2014 Glyptodon LLC
Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files (the "Software"), to deal
in the Software without restriction, including without limitation the rights
to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
copies of the Software, and to permit persons to whom the Software is
furnished to do so, subject to the following conditions:
The above copyright notice and this permission notice shall be included in
all copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
THE SOFTWARE.
-->
</div>