Further conversion to new pattern.

This commit is contained in:
Michael Jumper
2012-11-12 01:09:52 -08:00
parent 38dfc3128a
commit 3f02525a2c
5 changed files with 113 additions and 50 deletions

View File

@@ -42,13 +42,6 @@
<textarea id="eventTarget"></textarea>
<!-- On-screen magnifier -->
<div id="magnifier-background">
<div id="magnifier">
<canvas id="magnifier-display"></canvas>
</div>
</div>
<div id="pan-overlay"></div>
<!-- On-screen keyboard -->

View File

@@ -57,35 +57,23 @@ GuacUI.Client = {
"containers": {
"state" : document.getElementById("statusDialog"),
"keyboard" : document.getElementById("keyboardContainer"),
"magnifier" : document.getElementById("magnifier")
"keyboard" : document.getElementById("keyboardContainer")
},
"pan_overlay" : document.getElementById("pan-overlay"),
"magnifier_background" : document.getElementById("magnifier-background"),
"magnifier" : document.getElementById("magnifier-display"),
"state" : document.getElementById("statusText"),
"client" : null,
"sessionState" : new GuacamoleSessionState()
};
GuacUI.Client.magnifier_background.onclick = function() {
GuacUI.StateManager.setState(GuacUI.Client.states.INTERACTIVE);
};
GuacUI.Client.containers.magnifier.addEventListener("click", function(e) {
GuacUI.StateManager.setState(GuacUI.Client.states.PAN_TYPING);
e.stopPropagation();
}, true);
/**
* Component which displays a magnified (100% zoomed) client display.
*
* @constructor
* @augments GuacUI.DraggableComponent
*/
GuacUI.Client.Magnifier = function(magnifier) {
GuacUI.Client.Magnifier = function() {
/**
* Reference to this magnifier.
@@ -93,21 +81,50 @@ GuacUI.Client.Magnifier = function(magnifier) {
*/
var guac_magnifier = this;
/**
* Large background div which will block touch events from reaching the
* client while also providing a click target to deactivate the
* magnifier.
* @private
*/
var magnifier_background = GuacUI.createElement("div", "magnifier-background");
/**
* Container div for the magnifier, providing a clipping rectangle.
* @private
*/
var magnifier = GuacUI.createChildElement(magnifier_background,
"div", "magnifier");
/**
* Canvas which will contain the static image copy of the display at time
* of show.
* @private
*/
var magnifier_display = GuacUI.createChildElement(magnifier, "canvas");
/**
* Context of magnifier display.
* @private
*/
var magnifier_context = magnifier_display.getContext("2d");
/*
* Call parent constructor.
* This component is draggable.
*/
GuacUI.DraggableComponent.apply(this, [magnifier]);
// Ensure transformations on display originate at 0,0
GuacamoleUI.containers.magnifier.style.transformOrigin =
GuacamoleUI.containers.magnifier.style.webkitTransformOrigin =
GuacamoleUI.containers.magnifier.style.MozTransformOrigin =
GuacamoleUI.containers.magnifier.style.OTransformOrigin =
GuacamoleUI.containers.magnifier.style.msTransformOrigin =
magnifier.style.transformOrigin =
magnifier.style.webkitTransformOrigin =
magnifier.style.MozTransformOrigin =
magnifier.style.OTransformOrigin =
magnifier.style.msTransformOrigin =
"0 0";
var magnifier_display = GuacUI.Client.magnifier;
var magnifier_context = magnifier_display.getContext("2d");
/*
* Reposition magnifier display relative to own position on screen.
*/
this.onmove = function(x, y) {
@@ -132,6 +149,10 @@ GuacUI.Client.Magnifier = function(magnifier) {
};
/*
* Copy display and add self to body on show.
*/
this.show = function() {
// Copy displayed image
@@ -140,17 +161,41 @@ GuacUI.Client.Magnifier = function(magnifier) {
magnifier_context.drawImage(GuacamoleUI.client.flatten(), 0, 0);
// Show magnifier container
GuacUI.Client.magnifier_background.style.display = "block";
document.body.appendChild(magnifier_background);
GuacamoleUI.eventTarget.style.width = magnifier.offsetWidth + "px";
GuacamoleUI.eventTarget.style.height = magnifier.offsetHeight + "px";
};
/*
* Remove self from body on hide.
*/
this.hide = function() {
// Hide magnifier container
GuacUI.Client.magnifier_background.style.display = "none";
document.body.removeChild(magnifier_background);
};
/*
* If the user clicks on the background, switch to INTERACTIVE mode.
*/
magnifier_background.addEventListener("click", function() {
GuacUI.StateManager.setState(GuacUI.Client.states.INTERACTIVE);
}, true);
/*
* If the user clicks on the magnifier, switch to PAN_TYPING mode.
*/
magnifier.addEventListener("click", function(e) {
GuacUI.StateManager.setState(GuacUI.Client.states.PAN_TYPING);
e.stopPropagation();
}, true);
};
/*
@@ -159,7 +204,7 @@ GuacUI.Client.Magnifier = function(magnifier) {
GuacUI.Client.Magnifier.prototype = new GuacUI.DraggableComponent();
GuacUI.StateManager.registerComponent(
new GuacUI.Client.Magnifier(GuacUI.Client.containers.magnifier),
new GuacUI.Client.Magnifier(),
GuacUI.Client.states.MAGNIFIER
);
@@ -194,22 +239,28 @@ GuacUI.StateManager.registerComponent(
* Pan UI
*/
GuacUI.Client.PanOverlay = function(client) {
GuacUI.Client.PanOverlay = function(pan_overlay) {
this.show = function() {
GuacUI.Client.pan_overlay.style.display = "block";
pan_overlay.style.display = "block";
};
this.hide = function() {
GuacUI.Client.pan_overlay.style.display = "none";
pan_overlay.style.display = "none";
};
pan_overlay.addEventListener("click", function() {
GuacUI.StateManager.setState(GuacUI.Client.PAN_TYPING);
}, false);
};
GuacUI.Client.PanOverlay.prototype = new GuacUI.Component();
GuacUI.StateManager.registerComponent(
new GuacUI.Client.PanOverlay(),
new GuacUI.Client.PanOverlay(
document.getElementById("pan-overlay")
),
GuacUI.Client.states.PAN,
GuacUI.Client.states.PAN_TYPING
);
@@ -218,27 +269,31 @@ GuacUI.StateManager.registerComponent(
* Native Keyboard
*/
GuacUI.Client.NativeKeyboard = function() {
GuacUI.Client.NativeKeyboard = function(eventTarget) {
this.show = function() {
GuacamoleUI.eventTarget.focus();
eventTarget.style.display = "block";
eventTarget.focus();
};
this.hide = function() {
GuacamoleUI.eventTarget.blur();
eventTarget.blur();
eventTarget.style.display = "none";
};
eventTarget.addEventListener("blur", function() {
GuacUI.StateManager.setState(GuacUI.Client.states.INTERACTIVE);
}, false);
};
GuacUI.StateManager.registerComponent(
new GuacUI.Client.NativeKeyboard(),
new GuacUI.Client.NativeKeyboard(
document.getElementById("eventTarget")
),
GuacUI.Client.states.PAN_TYPING
);
GuacUI.Client.eventTarget.onblur = function() {
GuacUI.StateManager.setState(GuacUI.Client.states.INTERACTIVE);
};
/*
* Set initial state
*/

View File

@@ -18,6 +18,21 @@
var GuacUI = GuacUI || {};
/**
* Creates a new element having the given tagname and CSS class.
*/
GuacUI.createElement = function(tagname, classname) {
var new_element = document.createElement(tagname);
new_element.className = classname;
return new_element;
};
GuacUI.createChildElement = function(parent, tagname, classname) {
var element = GuacUI.createElement(tagname, classname);
parent.appendChild(element);
return element;
};
/**
* Central registry of all components for all states.
*/

View File

@@ -50,8 +50,6 @@ var GuacamoleUI = {
};
GuacamoleUI.magnifierContext = GuacamoleUI.magnifier.getContext("2d");
/**
* Array of all supported audio mimetypes, populated when this script is
* loaded.
@@ -560,7 +558,10 @@ GuacamoleUI.attach = function(guac) {
longPressTimeout = window.setTimeout(function() {
longPressTimeout = null;
GuacUI.StateManager.setState(GuacUI.Client.states.MAGNIFIER);
if (GuacamoleUI.client.getScale() != 1.0)
GuacUI.StateManager.setState(GuacUI.Client.states.MAGNIFIER);
else
GuacUI.StateManager.setState(GuacUI.Client.states.PAN);
}, GuacamoleUI.LONG_PRESS_DETECT_TIMEOUT);
}

View File

@@ -172,8 +172,7 @@ div#display > * {
margin-right: auto;
}
div#magnifier-background {
display: none;
div.magnifier-background {
position: absolute;
left: 0;
top: 0;
@@ -183,7 +182,7 @@ div#magnifier-background {
overflow: hidden;
}
div#magnifier {
div.magnifier {
position: absolute;
left: 0;