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Better mouse state object, more JSDoc, cleanup.

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This commit is contained in:
Michael Jumper
2011-07-07 23:19:19 -07:00
parent 867e64637f
commit aea01a5cdb
3 changed files with 131 additions and 99 deletions
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31
guacamole-common-js/src/main/resources/guacamole.js
View File

@@ -99,21 +99,21 @@ Guacamole.Client = function(display, tunnel) {
// Draw client-side cursor
if (cursorImage != null) {
redrawCursor(
mouseState.getX(),
mouseState.getY()
mouseState.x,
mouseState.y
);
}
// Build mask
var buttonMask = 0;
if (mouseState.getLeft()) buttonMask |= 1;
if (mouseState.getMiddle()) buttonMask |= 2;
if (mouseState.getRight()) buttonMask |= 4;
if (mouseState.getUp()) buttonMask |= 8;
if (mouseState.getDown()) buttonMask |= 16;
if (mouseState.left) buttonMask |= 1;
if (mouseState.middle) buttonMask |= 2;
if (mouseState.right) buttonMask |= 4;
if (mouseState.up) buttonMask |= 8;
if (mouseState.down) buttonMask |= 16;
// Send message
tunnel.sendMessage("mouse:" + mouseState.getX() + "," + mouseState.getY() + "," + buttonMask + ";");
tunnel.sendMessage("mouse:" + mouseState.x + "," + mouseState.y + "," + buttonMask + ";");
};
guac_client.setClipboard = function(data) {
@@ -169,6 +169,13 @@ Guacamole.Client = function(display, tunnel) {
// Add new layer
layer = new Guacamole.Layer(displayWidth, displayHeight);
// Set layer position
var canvas = layer.getCanvas();
canvas.style.position = "absolute";
canvas.style.left = "0px";
canvas.style.top = "0px";
layers[index] = layer;
// (Re)-add existing layers in order
@@ -288,7 +295,13 @@ Guacamole.Client = function(display, tunnel) {
if (cursor == null) {
cursor = new Guacamole.Layer(displayWidth, displayHeight);
display.appendChild(cursor.getCanvas());
var canvas = cursor.getCanvas();
canvas.style.position = "absolute";
canvas.style.left = "0px";
canvas.style.top = "0px";
display.appendChild(canvas);
}
// Start cursor image load

6
guacamole-common-js/src/main/resources/layer.js
View File

@@ -48,9 +48,6 @@ Guacamole.Layer = function(width, height) {
* @private
*/
var display = document.createElement("canvas");
display.style.position = "absolute";
display.style.left = "0px";
display.style.top = "0px";
/**
* The 2D display context of the canvas element backing this Layer.
@@ -429,5 +426,4 @@ Guacamole.Layer = function(width, height) {
// Initialize canvas dimensions
resize(width, height);
}
};

193
guacamole-common-js/src/main/resources/mouse.js
View File

@@ -20,54 +20,93 @@
// Guacamole namespace
var Guacamole = Guacamole || {};
/**
* Provides cross-browser mouse events for a given element. The events of
* the given element are automatically populated with handlers that translate
* mouse events into a non-browser-specific event provided by the
* Guacamole.Mouse instance.
*
* Touch event support is planned, but currently only in testing (translate
* touch events into mouse events).
*
* @constructor
* @param {Element} element The Element to use to provide mouse events.
*/
Guacamole.Mouse = function(element) {
/**
* Reference to this Guacamole.Mouse.
* @private
*/
var guac_mouse = this;
var mouseLeftButton = 0;
var mouseMiddleButton = 0;
var mouseRightButton = 0;
/**
* The current mouse state. The properties of this state are updated when
* mouse events fire. This state object is also passed in as a parameter to
* the handler of any mouse events.
*
* @type Guacamole.Mouse.State
*/
this.currentState = new Guacamole.Mouse.State(
0, 0,
false, false, false, false, false
);
var mouseX = 0;
var mouseY = 0;
/**
* Fired whenever the user presses a mouse button down over the element
* associated with this Guacamole.Mouse.
*
* @event
* @param {Guacamole.Mouse.State} state The current mouse state.
*/
this.onmousedown = null;
var absoluteMouseX = 0;
var absoluteMouseY = 0;
function getMouseState(up, down) {
var mouseState = new MouseEvent(mouseX, mouseY,
mouseLeftButton, mouseMiddleButton, mouseRightButton, up, down);
return mouseState;
}
/**
* Fired whenever the user releases a mouse button down over the element
* associated with this Guacamole.Mouse.
*
* @event
* @param {Guacamole.Mouse.State} state The current mouse state.
*/
this.onmouseup = null;
/**
* Fired whenever the user moves the mouse over the element associated with
* this Guacamole.Mouse.
*
* @event
* @param {Guacamole.Mouse.State} state The current mouse state.
*/
this.onmousemove = null;
// Block context menu so right-click gets sent properly
element.oncontextmenu = function(e) {return false;};
element.oncontextmenu = function(e) {
return false;
};
element.onmousemove = function(e) {
e.stopPropagation();
absoluteMouseX = e.pageX;
absoluteMouseY = e.pageY;
var absoluteMouseX = e.pageX;
var absoluteMouseY = e.pageY;
mouseX = absoluteMouseX - element.offsetLeft;
mouseY = absoluteMouseY - element.offsetTop;
guac_mouse.currentState.x = absoluteMouseX - element.offsetLeft;
guac_mouse.currentState.y = absoluteMouseY - element.offsetTop;
// This is all JUST so we can get the mouse position within the element
var parent = element.offsetParent;
while (parent) {
if (parent.offsetLeft && parent.offsetTop) {
mouseX -= parent.offsetLeft;
mouseY -= parent.offsetTop;
guac_mouse.currentState.x -= parent.offsetLeft;
guac_mouse.currentState.y -= parent.offsetTop;
}
parent = parent.offsetParent;
}
if (guac_mouse.onmousemove)
guac_mouse.onmousemove(getMouseState(0, 0));
guac_mouse.onmousemove(guac_mouse.currentState);
};
@@ -77,18 +116,19 @@ Guacamole.Mouse = function(element) {
switch (e.button) {
case 0:
mouseLeftButton = 1;
guac_mouse.currentState.left = true;
break;
case 1:
mouseMiddleButton = 1;
guac_mouse.currentState.middle = true;
break;
case 2:
mouseRightButton = 1;
guac_mouse.currentState.right = true;
break;
}
if (guac_mouse.onmousedown)
guac_mouse.onmousedown(getMouseState(0, 0));
guac_mouse.onmousedown(guac_mouse.currentState);
};
@@ -98,18 +138,19 @@ Guacamole.Mouse = function(element) {
switch (e.button) {
case 0:
mouseLeftButton = 0;
guac_mouse.currentState.left = false;
break;
case 1:
mouseMiddleButton = 0;
guac_mouse.currentState.middle = false;
break;
case 2:
mouseRightButton = 0;
guac_mouse.currentState.right = false;
break;
}
if (guac_mouse.onmouseup)
guac_mouse.onmouseup(getMouseState(0, 0));
guac_mouse.onmouseup(guac_mouse.currentState);
};
element.onmouseout = function(e) {
@@ -117,13 +158,16 @@ Guacamole.Mouse = function(element) {
e.stopPropagation();
// Release all buttons
if (mouseLeftButton || mouseMiddleButton || mouseRightButton) {
mouseLeftButton = 0;
mouseMiddleButton = 0;
mouseRightButton = 0;
if (guac_mouse.currentState.left
|| guac_mouse.currentState.middle
|| guac_mouse.currentState.right) {
guac_mouse.currentState.left = false;
guac_mouse.currentState.middle = false;
guac_mouse.currentState.right = false;
if (guac_mouse.onmouseup)
guac_mouse.onmouseup(getMouseState(0, 0));
guac_mouse.onmouseup(guac_mouse.currentState);
}
};
@@ -144,20 +188,28 @@ Guacamole.Mouse = function(element) {
// Up
if (delta < 0) {
if (guac_mouse.onmousedown)
guac_mouse.onmousedown(getMouseState(1, 0));
if (guac_mouse.onmousedown) {
guac_mouse.currentState.up = true;
guac_mouse.onmousedown(guac_mouse.currentState);
}
if (guac_mouse.onmouseup)
guac_mouse.onmouseup(getMouseState(0, 0));
if (guac_mouse.onmouseup) {
guac_mouse.currentState.up = false;
guac_mouse.onmouseup(guac_mouse.currentState);
}
}
// Down
if (delta > 0) {
if (guac_mouse.onmousedown)
guac_mouse.onmousedown(getMouseState(0, 1));
if (guac_mouse.onmouseup)
guac_mouse.onmouseup(getMouseState(0, 0));
if (guac_mouse.onmousedown) {
guac_mouse.currentState.down = true;
guac_mouse.onmousedown(guac_mouse.currentState);
}
if (guac_mouse.onmouseup) {
guac_mouse.currentState.down = false;
guac_mouse.onmouseup(guac_mouse.currentState);
}
}
if (e.preventDefault)
@@ -170,48 +222,19 @@ Guacamole.Mouse = function(element) {
element.onmousewheel = function(e) {
handleScroll(e);
}
guac_mouse.onmousedown = null;
guac_mouse.onmouseup = null;
guac_mouse.onmousemove = null;
guac_mouse.getX = function() {return mouseX;};
guac_mouse.getY = function() {return mouseY;};
guac_mouse.getLeftButton = function() {return mouseLeftButton;};
guac_mouse.getMiddleButton = function() {return mouseMiddleButton;};
guac_mouse.getRightButton = function() {return mouseRightButton;};
}
function MouseEvent(x, y, left, middle, right, up, down) {
this.getX = function() {
return x;
};
this.getY = function() {
return y;
};
};
this.getLeft = function() {
return left;
};
Guacamole.Mouse.State = function(x, y, left, middle, right, up, down) {
this.getMiddle = function() {
return middle;
};
this.x = x;
this.y = y;
this.left = left;
this.middle = middle
this.right = right;
this.up = up;
this.down = down;
};
this.getRight = function() {
return right;
};
this.getUp = function() {
return up;
};
this.getDown = function() {
return down;
};
}