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Merge pull request #76 from glyptodon/resize-directive

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GUAC-958: Move resize handling into directive. Fix resize event listener timing.
This commit is contained in:
James Muehlner
2015-01-30 00:10:59 -08:00
parent 7b8846b786 798e9d28c5
commit 5ee92d1729
12 changed files with 160 additions and 90 deletions
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4
guacamole/src/main/webapp/app/client/directives/guacClient.js
View File

@@ -339,7 +339,7 @@ angular.module('client').directive('guacClient', [function guacClient() {
});
// If the element is resized, attempt to resize client
resizeSensor.contentDocument.defaultView.addEventListener('resize', function mainElementResized() {
$scope.mainElementResized = function mainElementResized() {
// Send new display size, if changed
if (client && display) {
@@ -355,7 +355,7 @@ angular.module('client').directive('guacClient', [function guacClient() {
$scope.$evalAsync(updateDisplayScale);
});
};
// Watch for changes to mouse emulation mode
// Send all received mouse events to the client

17
guacamole/src/main/webapp/app/client/directives/guacThumbnail.js
View File

@@ -89,18 +89,11 @@ angular.module('client').directive('guacThumbnail', [function guacThumbnail() {
*/
var main = $element[0];
/**
* The element which functions as a detector for size changes.
*
* @type Element
*/
var resizeSensor = $element.find('.resize-sensor')[0];
/**
* Updates the scale of the attached Guacamole.Client based on current window
* size and "auto-fit" setting.
*/
var updateDisplayScale = function updateDisplayScale() {
$scope.updateDisplayScale = function updateDisplayScale() {
if (!display) return;
@@ -159,15 +152,11 @@ angular.module('client').directive('guacThumbnail', [function guacThumbnail() {
thumbnail.height = height;
$scope.thumbnail = thumbnail.toDataURL("image/png");
$scope.$evalAsync(updateDisplayScale);
// Init display scale
$scope.$evalAsync($scope.updateDisplayScale);
});
// If the element is resized, attempt to resize client
resizeSensor.contentDocument.defaultView.addEventListener('resize', function mainElementResized() {
$scope.$apply(updateDisplayScale);
});
}]
};
}]);

12
guacamole/src/main/webapp/app/client/styles/display.css
View File

@@ -38,18 +38,6 @@ div.main {
font-size: 0px;
}
.resize-sensor {
height: 100%;
width: 100%;
position: absolute;
left: 0;
top: 0;
overflow: hidden;
border: none;
opacity: 0;
z-index: -1;
}
div.displayOuter {
height: 100%;
width: 100%;

5
guacamole/src/main/webapp/app/client/templates/guacClient.html
View File

@@ -1,4 +1,4 @@
<div class="main">
<div class="main" guac-resize="mainElementResized">
<!--
Copyright (C) 2014 Glyptodon LLC
@@ -31,7 +31,4 @@
</div>
<!-- Resize sensor -->
<object type="text/html" class="resize-sensor" data="app/client/templates/blank.html"></object>
</div>

5
guacamole/src/main/webapp/app/client/templates/guacThumbnail.html
View File

@@ -1,4 +1,4 @@
<div class="thumbnail-main">
<div class="thumbnail-main" guac-resize="updateDisplayScale">
<!--
Copyright (C) 2014 Glyptodon LLC
@@ -21,9 +21,6 @@
THE SOFTWARE.
-->
<!-- Resize sensor -->
<object type="text/html" class="resize-sensor" data="app/client/templates/blank.html"></object>
<!-- Display -->
<div class="display">
</div>

117
guacamole/src/main/webapp/app/element/directives/guacResize.js Normal file
View File

@@ -0,0 +1,117 @@
/*
* Copyright (C) 2015 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 calls a given callback when its associated element is
* resized. This will modify the internal DOM tree of the associated element,
* and the associated element MUST have position (for example,
* "position: relative").
*/
angular.module('element').directive('guacResize', ['$document', function guacResize($document) {
return {
restrict: 'A',
link: function linkGuacResize($scope, $element, $attrs) {
/**
* The function to call whenever the associated element is
* resized. The function will be passed the width and height of
* the element, in pixels.
*
* @type Function
*/
var guacResize = $scope.$eval($attrs.guacResize);
/**
* The element which will monitored for size changes.
*
* @type Element
*/
var element = $element[0];
/**
* The resize sensor - an HTML object element.
*
* @type HTMLObjectElement
*/
var resizeSensor = $document[0].createElement('object');
/**
* The width of the associated element, in pixels.
*
* @type Number
*/
var lastWidth = element.offsetWidth;
/**
* The height of the associated element, in pixels.
*
* @type Number
*/
var lastHeight = element.offsetHeight;
/**
* Checks whether the size of the associated element has changed
* and, if so, calls the resize callback with the new width and
* height as parameters.
*/
var checkSize = function checkSize() {
// Call callback only if size actually changed
if (element.offsetWidth !== lastWidth
|| element.offsetHeight !== lastHeight) {
// Call resize callback, if defined
if (guacResize) {
$scope.$apply(function elementSizeChanged() {
guacResize(element.offsetWidth, element.offsetHeight);
});
}
// Update stored size
lastWidth = element.offsetWidth;
lastHeight = element.offsetHeight;
}
};
// Register event listener once window object exists
resizeSensor.onload = function resizeSensorReady() {
resizeSensor.contentDocument.defaultView.addEventListener('resize', checkSize);
checkSize();
};
// Load blank contents
resizeSensor.className = 'resize-sensor';
resizeSensor.type = 'text/html';
resizeSensor.data = 'app/element/templates/blank.html';
// Add resize sensor to associated element
element.insertBefore(resizeSensor, element.firstChild);
} // end guacResize link function
};
}]);

33
guacamole/src/main/webapp/app/element/styles/resize-sensor.css Normal file
View File

@@ -0,0 +1,33 @@
/*
* Copyright (C) 2015 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.
*/
.resize-sensor {
height: 100%;
width: 100%;
position: absolute;
left: 0;
top: 0;
overflow: hidden;
border: none;
opacity: 0;
z-index: -1;
}

0
guacamole/src/main/webapp/app/client/templates/blank.html → guacamole/src/main/webapp/app/element/templates/blank.html
View File

17
guacamole/src/main/webapp/app/osk/directives/guacOsk.js
View File

@@ -57,18 +57,8 @@ angular.module('osk').directive('guacOsk', [function guacOsk() {
*/
var main = $element[0];
/**
* The element which functions as a detector for size changes.
*
* @type Element
*/
var resizeSensor = $element.find('.resize-sensor')[0];
/**
* Event listener which resizes the current keyboard, if any, such
* that it fits within available space.
*/
var resizeListener = function resizeListener() {
// Size keyboard to same size as main element
$scope.keyboardResized = function keyboardResized() {
// Resize keyboard, if defined
if (keyboard)
@@ -105,9 +95,6 @@ angular.module('osk').directive('guacOsk', [function guacOsk() {
$rootScope.$broadcast('guacSyntheticKeyup', keysym);
};
// Resize keyboard whenever element changes size
resizeSensor.contentDocument.defaultView.addEventListener('resize', resizeListener);
}
}); // end layout scope watch

12
guacamole/src/main/webapp/app/osk/styles/osk.css
View File

@@ -24,18 +24,6 @@
position: relative;
}
.osk .resize-sensor {
height: 100%;
width: 100%;
position: absolute;
left: 0;
top: 0;
overflow: hidden;
border: none;
opacity: 0;
z-index: -1;
}
.guac-keyboard {
display: inline-block;
width: 100%;

22
guacamole/src/main/webapp/app/osk/templates/blank.html
View File

@@ -1,22 +0,0 @@
<!--
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.
-->
<html><body></body></html>

6
guacamole/src/main/webapp/app/osk/templates/guacOsk.html
View File

@@ -1,4 +1,4 @@
<div class="osk">
<div class="osk" guac-resize="keyboardResized">
<!--
Copyright (C) 2014 Glyptodon LLC
@@ -20,8 +20,4 @@
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
THE SOFTWARE.
-->
<!-- Resize sensor -->
<object type="text/html" class="resize-sensor" data="app/osk/templates/blank.html"></object>
</div>