GUACAMOLE-724: Move handling of drag/pinch gestures to individual client tiles.

This commit is contained in:
Michael Jumper
2021-06-25 00:24:31 -07:00
parent b0febd3402
commit 90f2270dab
6 changed files with 527 additions and 508 deletions

View File

@@ -400,112 +400,32 @@ angular.module('client').controller('clientController', ['$scope', '$routeParams
return true;
}
// Hide menu when the user swipes from the right
// Show menu if the user swipes from the left, hide menu when the user
// swipes from the right, scroll menu while visible
$scope.menuDrag = function menuDrag(inProgress, startX, startY, currentX, currentY, deltaX, deltaY) {
// Hide menu if swipe gesture is detected
if (Math.abs(currentY - startY) < MENU_DRAG_VERTICAL_TOLERANCE
&& startX - currentX >= MENU_DRAG_DELTA)
$scope.menu.shown = false;
if ($scope.menu.shown) {
// Hide menu if swipe-from-right gesture is detected
if (Math.abs(currentY - startY) < MENU_DRAG_VERTICAL_TOLERANCE
&& startX - currentX >= MENU_DRAG_DELTA)
$scope.menu.shown = false;
// Scroll menu by default
else {
$scope.menu.scrollState.left -= deltaX;
$scope.menu.scrollState.top -= deltaY;
}
// Scroll menu by default
else {
$scope.menu.scrollState.left -= deltaX;
$scope.menu.scrollState.top -= deltaY;
}
return false;
};
// Update menu or client based on dragging gestures
$scope.clientDrag = function clientDrag(inProgress, startX, startY, currentX, currentY, deltaX, deltaY) {
// Show menu if the user swipes from the left
if (startX <= MENU_DRAG_MARGIN) {
// Show menu if swipe-from-left gesture is detected
else if (startX <= MENU_DRAG_MARGIN) {
if (Math.abs(currentY - startY) < MENU_DRAG_VERTICAL_TOLERANCE
&& currentX - startX >= MENU_DRAG_DELTA)
$scope.menu.shown = true;
}
// Scroll display if absolute mouse is in use
else if ($scope.client.clientProperties.emulateAbsoluteMouse) {
$scope.client.clientProperties.scrollLeft -= deltaX;
$scope.client.clientProperties.scrollTop -= deltaY;
}
return false;
};
/**
* If a pinch gesture is in progress, the scale of the client display when
* the pinch gesture began.
*
* @type Number
*/
var initialScale = null;
/**
* If a pinch gesture is in progress, the X coordinate of the point on the
* client display that was centered within the pinch at the time the
* gesture began.
*
* @type Number
*/
var initialCenterX = 0;
/**
* If a pinch gesture is in progress, the Y coordinate of the point on the
* client display that was centered within the pinch at the time the
* gesture began.
*
* @type Number
*/
var initialCenterY = 0;
// Zoom and pan client via pinch gestures
$scope.clientPinch = function clientPinch(inProgress, startLength, currentLength, centerX, centerY) {
// Do not handle pinch gestures if they would conflict with remote
// handling of similar gestures
if ($scope.client.multiTouchSupport > 1)
return false;
// Do not handle pinch gestures while relative mouse is in use
if (!$scope.client.clientProperties.emulateAbsoluteMouse)
return false;
// Stop gesture if not in progress
if (!inProgress) {
initialScale = null;
return false;
}
// Set initial scale if gesture has just started
if (!initialScale) {
initialScale = $scope.client.clientProperties.scale;
initialCenterX = (centerX + $scope.client.clientProperties.scrollLeft) / initialScale;
initialCenterY = (centerY + $scope.client.clientProperties.scrollTop) / initialScale;
}
// Determine new scale absolutely
var currentScale = initialScale * currentLength / startLength;
// Fix scale within limits - scroll will be miscalculated otherwise
currentScale = Math.max(currentScale, $scope.client.clientProperties.minScale);
currentScale = Math.min(currentScale, $scope.client.clientProperties.maxScale);
// Update scale based on pinch distance
$scope.client.clientProperties.autoFit = false;
$scope.client.clientProperties.scale = currentScale;
// Scroll display to keep original pinch location centered within current pinch
$scope.client.clientProperties.scrollLeft = initialCenterX * currentScale - centerX;
$scope.client.clientProperties.scrollTop = initialCenterY * currentScale - centerY;
return false;
};

View File

@@ -22,463 +22,550 @@
*/
angular.module('client').directive('guacClient', [function guacClient() {
return {
// Element only
var directive = {
restrict: 'E',
replace: true,
scope: {
templateUrl: 'app/client/templates/guacClient.html'
};
/**
* The client to display within this guacClient directive.
*
* @type ManagedClient
*/
client : '='
directive.scope = {
/**
* The client to display within this guacClient directive.
*
* @type ManagedClient
*/
client : '=',
/**
* Whether translation of touch to mouse events should emulate an
* absolute pointer device, or a relative pointer device.
*
* @type boolean
*/
emulateAbsoluteMouse : '='
};
directive.controller = ['$scope', '$injector', '$element',
function guacClientController($scope, $injector, $element) {
// Required types
var ManagedClient = $injector.get('ManagedClient');
},
templateUrl: 'app/client/templates/guacClient.html',
controller: ['$scope', '$injector', '$element', function guacClientController($scope, $injector, $element) {
// Required types
var ManagedClient = $injector.get('ManagedClient');
// Required services
var $window = $injector.get('$window');
/**
* Whether the local, hardware mouse cursor is in use.
*
* @type Boolean
*/
var localCursor = false;
// Required services
var $window = $injector.get('$window');
/**
* Whether the local, hardware mouse cursor is in use.
*
* @type Boolean
*/
var localCursor = false;
/**
* The current Guacamole client instance.
*
* @type Guacamole.Client
*/
var client = null;
/**
* The current Guacamole client instance.
*
* @type Guacamole.Client
*/
var client = null;
/**
* The display of the current Guacamole client instance.
*
* @type Guacamole.Display
*/
var display = null;
/**
* The display of the current Guacamole client instance.
*
* @type Guacamole.Display
*/
var display = null;
/**
* The element associated with the display of the current
* Guacamole client instance.
*
* @type Element
*/
var displayElement = null;
/**
* The element associated with the display of the current
* Guacamole client instance.
*
* @type Element
*/
var displayElement = null;
/**
* The element which must contain the Guacamole display element.
*
* @type Element
*/
var displayContainer = $element.find('.display')[0];
/**
* The element which must contain the Guacamole display element.
*
* @type Element
*/
var displayContainer = $element.find('.display')[0];
/**
* The main containing element for the entire directive.
*
* @type Element
*/
var main = $element[0];
/**
* The main containing element for the entire directive.
*
* @type Element
*/
var main = $element[0];
/**
* The element which functions as a detector for size changes.
*
* @type Element
*/
var resizeSensor = $element.find('.resize-sensor')[0];
/**
* Guacamole mouse event object, wrapped around the main client
* display.
*
* @type Guacamole.Mouse
*/
var mouse = new Guacamole.Mouse(displayContainer);
/**
* Guacamole mouse event object, wrapped around the main client
* display.
*
* @type Guacamole.Mouse
*/
var mouse = new Guacamole.Mouse(displayContainer);
/**
* Guacamole absolute mouse emulation object, wrapped around the
* main client display.
*
* @type Guacamole.Mouse.Touchscreen
*/
var touchScreen = new Guacamole.Mouse.Touchscreen(displayContainer);
/**
* Guacamole absolute mouse emulation object, wrapped around the
* main client display.
*
* @type Guacamole.Mouse.Touchscreen
*/
var touchScreen = new Guacamole.Mouse.Touchscreen(displayContainer);
/**
* Guacamole relative mouse emulation object, wrapped around the
* main client display.
*
* @type Guacamole.Mouse.Touchpad
*/
var touchPad = new Guacamole.Mouse.Touchpad(displayContainer);
/**
* Guacamole relative mouse emulation object, wrapped around the
* main client display.
*
* @type Guacamole.Mouse.Touchpad
*/
var touchPad = new Guacamole.Mouse.Touchpad(displayContainer);
/**
* Guacamole touch event handling object, wrapped around the main
* client dislay.
*
* @type Guacamole.Touch
*/
var touch = new Guacamole.Touch(displayContainer);
/**
* Guacamole touch event handling object, wrapped around the main
* client dislay.
*
* @type Guacamole.Touch
*/
var touch = new Guacamole.Touch(displayContainer);
/**
* Updates the scale of the attached Guacamole.Client based on current window
* size and "auto-fit" setting.
*/
var updateDisplayScale = function updateDisplayScale() {
/**
* Updates the scale of the attached Guacamole.Client based on current window
* size and "auto-fit" setting.
*/
var updateDisplayScale = function updateDisplayScale() {
if (!display) return;
if (!display) return;
// Calculate scale to fit screen
$scope.client.clientProperties.minScale = Math.min(
main.offsetWidth / Math.max(display.getWidth(), 1),
main.offsetHeight / Math.max(display.getHeight(), 1)
);
// Calculate scale to fit screen
$scope.client.clientProperties.minScale = Math.min(
main.offsetWidth / Math.max(display.getWidth(), 1),
main.offsetHeight / Math.max(display.getHeight(), 1)
);
// Calculate appropriate maximum zoom level
$scope.client.clientProperties.maxScale = Math.max($scope.client.clientProperties.minScale, 3);
// Calculate appropriate maximum zoom level
$scope.client.clientProperties.maxScale = Math.max($scope.client.clientProperties.minScale, 3);
// Clamp zoom level, maintain auto-fit
if (display.getScale() < $scope.client.clientProperties.minScale || $scope.client.clientProperties.autoFit)
$scope.client.clientProperties.scale = $scope.client.clientProperties.minScale;
// Clamp zoom level, maintain auto-fit
if (display.getScale() < $scope.client.clientProperties.minScale || $scope.client.clientProperties.autoFit)
$scope.client.clientProperties.scale = $scope.client.clientProperties.minScale;
else if (display.getScale() > $scope.client.clientProperties.maxScale)
$scope.client.clientProperties.scale = $scope.client.clientProperties.maxScale;
else if (display.getScale() > $scope.client.clientProperties.maxScale)
$scope.client.clientProperties.scale = $scope.client.clientProperties.maxScale;
};
/**
* Scrolls the client view such that the mouse cursor is visible.
*
* @param {Guacamole.Mouse.State} mouseState The current mouse
* state.
*/
var scrollToMouse = function scrollToMouse(mouseState) {
// Determine mouse position within view
var mouse_view_x = mouseState.x + displayContainer.offsetLeft - main.scrollLeft;
var mouse_view_y = mouseState.y + displayContainer.offsetTop - main.scrollTop;
// Determine viewport dimensions
var view_width = main.offsetWidth;
var view_height = main.offsetHeight;
// Determine scroll amounts based on mouse position relative to document
var scroll_amount_x;
if (mouse_view_x > view_width)
scroll_amount_x = mouse_view_x - view_width;
else if (mouse_view_x < 0)
scroll_amount_x = mouse_view_x;
else
scroll_amount_x = 0;
var scroll_amount_y;
if (mouse_view_y > view_height)
scroll_amount_y = mouse_view_y - view_height;
else if (mouse_view_y < 0)
scroll_amount_y = mouse_view_y;
else
scroll_amount_y = 0;
// Scroll (if necessary) to keep mouse on screen.
main.scrollLeft += scroll_amount_x;
main.scrollTop += scroll_amount_y;
};
/**
* Handles a mouse event originating from the user's actual mouse.
* This differs from handleEmulatedMouseEvent() in that the
* software mouse cursor must be shown only if the user's browser
* does not support explicitly setting the hardware mouse cursor.
*
* @param {Guacamole.Mouse.MouseEvent} event
* The mouse event to handle.
*/
var handleMouseEvent = function handleMouseEvent(event) {
// Do not attempt to handle mouse state changes if the client
// or display are not yet available
if (!client || !display)
return;
event.stopPropagation();
event.preventDefault();
// Send mouse state, show cursor if necessary
display.showCursor(!localCursor);
client.sendMouseState(event.state, true);
};
/**
* Handles a mouse event originating from one of Guacamole's mouse
* emulation objects. This differs from handleMouseState() in that
* the software mouse cursor must always be shown (as the emulated
* mouse device will not have its own cursor).
*
* @param {Guacamole.Mouse.MouseEvent} event
* The mouse event to handle.
*/
var handleEmulatedMouseEvent = function handleEmulatedMouseEvent(event) {
// Do not attempt to handle mouse state changes if the client
// or display are not yet available
if (!client || !display)
return;
event.stopPropagation();
event.preventDefault();
// Ensure software cursor is shown
display.showCursor(true);
// Send mouse state, ensure cursor is visible
scrollToMouse(event.state);
client.sendMouseState(event.state, true);
};
/**
* Handles a touch event originating from the user's device.
*
* @param {Guacamole.Touch.Event} touchEvent
* The touch event.
*/
var handleTouchEvent = function handleTouchEvent(event) {
// Do not attempt to handle touch state changes if the client
// or display are not yet available
if (!client || !display)
return;
event.preventDefault();
// Send touch state, hiding local cursor
display.showCursor(false);
client.sendTouchState(event.state, true);
};
// Attach any given managed client
$scope.$watch('client', function attachManagedClient(managedClient) {
// Remove any existing display
displayContainer.innerHTML = "";
// Only proceed if a client is given
if (!managedClient)
return;
// Get Guacamole client instance
client = managedClient.client;
// Attach possibly new display
display = client.getDisplay();
display.scale($scope.client.clientProperties.scale);
// Add display element
displayElement = display.getElement();
displayContainer.appendChild(displayElement);
// Do nothing when the display element is clicked on
display.getElement().onclick = function(e) {
e.preventDefault();
return false;
};
/**
* Scrolls the client view such that the mouse cursor is visible.
*
* @param {Guacamole.Mouse.State} mouseState The current mouse
* state.
*/
var scrollToMouse = function scrollToMouse(mouseState) {
// Size of newly-attached client may be different
$scope.mainElementResized();
// Determine mouse position within view
var mouse_view_x = mouseState.x + displayContainer.offsetLeft - main.scrollLeft;
var mouse_view_y = mouseState.y + displayContainer.offsetTop - main.scrollTop;
});
// Determine viewport dimensions
var view_width = main.offsetWidth;
var view_height = main.offsetHeight;
// Update actual view scrollLeft when scroll properties change
$scope.$watch('client.clientProperties.scrollLeft', function scrollLeftChanged(scrollLeft) {
main.scrollLeft = scrollLeft;
$scope.client.clientProperties.scrollLeft = main.scrollLeft;
});
// Determine scroll amounts based on mouse position relative to document
// Update actual view scrollTop when scroll properties change
$scope.$watch('client.clientProperties.scrollTop', function scrollTopChanged(scrollTop) {
main.scrollTop = scrollTop;
$scope.client.clientProperties.scrollTop = main.scrollTop;
});
var scroll_amount_x;
if (mouse_view_x > view_width)
scroll_amount_x = mouse_view_x - view_width;
else if (mouse_view_x < 0)
scroll_amount_x = mouse_view_x;
else
scroll_amount_x = 0;
// Update scale when display is resized
$scope.$watch('client.managedDisplay.size', function setDisplaySize() {
$scope.$evalAsync(updateDisplayScale);
});
var scroll_amount_y;
if (mouse_view_y > view_height)
scroll_amount_y = mouse_view_y - view_height;
else if (mouse_view_y < 0)
scroll_amount_y = mouse_view_y;
else
scroll_amount_y = 0;
// Keep local cursor up-to-date
$scope.$watch('client.managedDisplay.cursor', function setCursor(cursor) {
if (cursor)
localCursor = mouse.setCursor(cursor.canvas, cursor.x, cursor.y);
});
// Scroll (if necessary) to keep mouse on screen.
main.scrollLeft += scroll_amount_x;
main.scrollTop += scroll_amount_y;
// Update touch event handling depending on remote multi-touch
// support and mouse emulation mode
$scope.$watchGroup([
'client.multiTouchSupport',
'emulateAbsoluteMouse'
], function touchBehaviorChanged() {
};
// Clear existing event handling
touch.offEach(['touchstart', 'touchmove', 'touchend'], handleTouchEvent);
touchScreen.offEach(['mousedown', 'mousemove', 'mouseup'], handleEmulatedMouseEvent);
touchPad.offEach(['mousedown', 'mousemove', 'mouseup'], handleEmulatedMouseEvent);
/**
* Handles a mouse event originating from the user's actual mouse.
* This differs from handleEmulatedMouseEvent() in that the
* software mouse cursor must be shown only if the user's browser
* does not support explicitly setting the hardware mouse cursor.
*
* @param {Guacamole.Mouse.MouseEvent} event
* The mouse event to handle.
*/
var handleMouseEvent = function handleMouseEvent(event) {
// Directly forward local touch events
if ($scope.client.multiTouchSupport)
touch.onEach(['touchstart', 'touchmove', 'touchend'], handleTouchEvent);
// Do not attempt to handle mouse state changes if the client
// or display are not yet available
if (!client || !display)
return;
// Switch to touchscreen if mouse emulation is required and
// absolute mouse emulation is preferred
else if ($scope.emulateAbsoluteMouse)
touchScreen.onEach(['mousedown', 'mousemove', 'mouseup'], handleEmulatedMouseEvent);
event.stopPropagation();
event.preventDefault();
// Use touchpad for mouse emulation if absolute mouse emulation
// is not preferred
else
touchPad.onEach(['mousedown', 'mousemove', 'mouseup'], handleEmulatedMouseEvent);
// Send mouse state, show cursor if necessary
display.showCursor(!localCursor);
client.sendMouseState(event.state, true);
});
};
// Adjust scale if modified externally
$scope.$watch('client.clientProperties.scale', function changeScale(scale) {
/**
* Handles a mouse event originating from one of Guacamole's mouse
* emulation objects. This differs from handleMouseState() in that
* the software mouse cursor must always be shown (as the emulated
* mouse device will not have its own cursor).
*
* @param {Guacamole.Mouse.MouseEvent} event
* The mouse event to handle.
*/
var handleEmulatedMouseEvent = function handleEmulatedMouseEvent(event) {
// Fix scale within limits
scale = Math.max(scale, $scope.client.clientProperties.minScale);
scale = Math.min(scale, $scope.client.clientProperties.maxScale);
// Do not attempt to handle mouse state changes if the client
// or display are not yet available
if (!client || !display)
return;
// If at minimum zoom level, hide scroll bars
if (scale === $scope.client.clientProperties.minScale)
main.style.overflow = "hidden";
event.stopPropagation();
event.preventDefault();
// If not at minimum zoom level, show scroll bars
else
main.style.overflow = "auto";
// Ensure software cursor is shown
display.showCursor(true);
// Send mouse state, ensure cursor is visible
scrollToMouse(event.state);
client.sendMouseState(event.state, true);
};
/**
* Handles a touch event originating from the user's device.
*
* @param {Guacamole.Touch.Event} touchEvent
* The touch event.
*/
var handleTouchEvent = function handleTouchEvent(event) {
// Do not attempt to handle touch state changes if the client
// or display are not yet available
if (!client || !display)
return;
event.preventDefault();
// Send touch state, hiding local cursor
display.showCursor(false);
client.sendTouchState(event.state, true);
};
// Attach any given managed client
$scope.$watch('client', function attachManagedClient(managedClient) {
// Remove any existing display
displayContainer.innerHTML = "";
// Only proceed if a client is given
if (!managedClient)
return;
// Get Guacamole client instance
client = managedClient.client;
// Attach possibly new display
display = client.getDisplay();
display.scale($scope.client.clientProperties.scale);
// Add display element
displayElement = display.getElement();
displayContainer.appendChild(displayElement);
// Do nothing when the display element is clicked on
display.getElement().onclick = function(e) {
e.preventDefault();
return false;
};
// Size of newly-attached client may be different
$scope.mainElementResized();
});
// Update actual view scrollLeft when scroll properties change
$scope.$watch('client.clientProperties.scrollLeft', function scrollLeftChanged(scrollLeft) {
main.scrollLeft = scrollLeft;
$scope.client.clientProperties.scrollLeft = main.scrollLeft;
});
// Update actual view scrollTop when scroll properties change
$scope.$watch('client.clientProperties.scrollTop', function scrollTopChanged(scrollTop) {
main.scrollTop = scrollTop;
$scope.client.clientProperties.scrollTop = main.scrollTop;
});
// Update scale when display is resized
$scope.$watch('client.managedDisplay.size', function setDisplaySize() {
$scope.$evalAsync(updateDisplayScale);
});
// Keep local cursor up-to-date
$scope.$watch('client.managedDisplay.cursor', function setCursor(cursor) {
if (cursor)
localCursor = mouse.setCursor(cursor.canvas, cursor.x, cursor.y);
});
// Update touch event handling depending on remote multi-touch
// support and mouse emulation mode
$scope.$watchGroup([
'client.multiTouchSupport',
'client.clientProperties.emulateAbsoluteMouse'
], function touchBehaviorChanged(emulateAbsoluteMouse) {
// Clear existing event handling
touch.offEach(['touchstart', 'touchmove', 'touchend'], handleTouchEvent);
touchScreen.offEach(['mousedown', 'mousemove', 'mouseup'], handleEmulatedMouseEvent);
touchPad.offEach(['mousedown', 'mousemove', 'mouseup'], handleEmulatedMouseEvent);
// Directly forward local touch events
if ($scope.client.multiTouchSupport)
touch.onEach(['touchstart', 'touchmove', 'touchend'], handleTouchEvent);
// Switch to touchscreen if mouse emulation is required and
// absolute mouse emulation is preferred
else if ($scope.client.clientProperties.emulateAbsoluteMouse)
touchScreen.onEach(['mousedown', 'mousemove', 'mouseup'], handleEmulatedMouseEvent);
// Use touchpad for mouse emulation if absolute mouse emulation
// is not preferred
else
touchPad.onEach(['mousedown', 'mousemove', 'mouseup'], handleEmulatedMouseEvent);
});
// Adjust scale if modified externally
$scope.$watch('client.clientProperties.scale', function changeScale(scale) {
// Fix scale within limits
scale = Math.max(scale, $scope.client.clientProperties.minScale);
scale = Math.min(scale, $scope.client.clientProperties.maxScale);
// If at minimum zoom level, hide scroll bars
if (scale === $scope.client.clientProperties.minScale)
main.style.overflow = "hidden";
// If not at minimum zoom level, show scroll bars
else
main.style.overflow = "auto";
// Apply scale if client attached
if (display)
display.scale(scale);
if (scale !== $scope.client.clientProperties.scale)
$scope.client.clientProperties.scale = scale;
});
// Apply scale if client attached
if (display)
display.scale(scale);
// If autofit is set, the scale should be set to the minimum scale, filling the screen
$scope.$watch('client.clientProperties.autoFit', function changeAutoFit(autoFit) {
if(autoFit)
$scope.client.clientProperties.scale = $scope.client.clientProperties.minScale;
});
// If the element is resized, attempt to resize client
$scope.mainElementResized = function mainElementResized() {
if (scale !== $scope.client.clientProperties.scale)
$scope.client.clientProperties.scale = scale;
// Send new display size, if changed
if (client && display) {
});
// If autofit is set, the scale should be set to the minimum scale, filling the screen
$scope.$watch('client.clientProperties.autoFit', function changeAutoFit(autoFit) {
if(autoFit)
$scope.client.clientProperties.scale = $scope.client.clientProperties.minScale;
});
// If the element is resized, attempt to resize client
$scope.mainElementResized = function mainElementResized() {
var pixelDensity = $window.devicePixelRatio || 1;
var width = main.offsetWidth * pixelDensity;
var height = main.offsetHeight * pixelDensity;
// Send new display size, if changed
if (client && display) {
if (display.getWidth() !== width || display.getHeight() !== height)
client.sendSize(width, height);
var pixelDensity = $window.devicePixelRatio || 1;
var width = main.offsetWidth * pixelDensity;
var height = main.offsetHeight * pixelDensity;
}
if (display.getWidth() !== width || display.getHeight() !== height)
client.sendSize(width, height);
$scope.$evalAsync(updateDisplayScale);
};
// Ensure focus is regained via mousedown before forwarding event
mouse.on('mousedown', document.body.focus.bind(document.body));
// Forward all mouse events
mouse.onEach(['mousedown', 'mousemove', 'mouseup'], handleMouseEvent);
// Hide software cursor when mouse leaves display
mouse.on('mouseout', function() {
if (!display) return;
display.showCursor(false);
});
// Update remote clipboard if local clipboard changes
$scope.$on('guacClipboard', function onClipboard(event, data) {
ManagedClient.setClipboard($scope.client, data);
});
// Translate local keydown events to remote keydown events if keyboard is enabled
$scope.$on('guacKeydown', function keydownListener(event, keysym, keyboard) {
if ($scope.client.clientProperties.keyboardEnabled && $scope.client.clientProperties.focused) {
client.sendKeyEvent(1, keysym);
event.preventDefault();
}
});
// Translate local keyup events to remote keyup events if keyboard is enabled
$scope.$on('guacKeyup', function keyupListener(event, keysym, keyboard) {
if ($scope.client.clientProperties.keyboardEnabled && $scope.client.clientProperties.focused) {
client.sendKeyEvent(0, keysym);
event.preventDefault();
}
});
// Universally handle all synthetic keydown events
$scope.$on('guacSyntheticKeydown', function syntheticKeydownListener(event, keysym) {
if ($scope.client.clientProperties.focused)
client.sendKeyEvent(1, keysym);
});
// Universally handle all synthetic keyup events
$scope.$on('guacSyntheticKeyup', function syntheticKeyupListener(event, keysym) {
if ($scope.client.clientProperties.focused)
client.sendKeyEvent(0, keysym);
});
/**
* Ignores the given event.
*
* @param {Event} e The event to ignore.
*/
function ignoreEvent(e) {
e.preventDefault();
e.stopPropagation();
}
// Handle and ignore dragenter/dragover
displayContainer.addEventListener("dragenter", ignoreEvent, false);
displayContainer.addEventListener("dragover", ignoreEvent, false);
$scope.$evalAsync(updateDisplayScale);
// File drop event handler
displayContainer.addEventListener("drop", function(e) {
};
e.preventDefault();
e.stopPropagation();
// Scroll client display if absolute mouse is in use (the same drag
// gesture is needed for moving the mouse pointer with relative mouse)
$scope.clientDrag = function clientDrag(inProgress, startX, startY, currentX, currentY, deltaX, deltaY) {
// Ignore file drops if no attached client
if (!$scope.client)
return;
if ($scope.emulateAbsoluteMouse) {
$scope.client.clientProperties.scrollLeft -= deltaX;
$scope.client.clientProperties.scrollTop -= deltaY;
}
// Upload each file
var files = e.dataTransfer.files;
for (var i=0; i<files.length; i++)
ManagedClient.uploadFile($scope.client, files[i]);
return false;
}, false);
};
/**
* If a pinch gesture is in progress, the scale of the client display when
* the pinch gesture began.
*
* @type Number
*/
var initialScale = null;
/**
* If a pinch gesture is in progress, the X coordinate of the point on the
* client display that was centered within the pinch at the time the
* gesture began.
*
* @type Number
*/
var initialCenterX = 0;
/**
* If a pinch gesture is in progress, the Y coordinate of the point on the
* client display that was centered within the pinch at the time the
* gesture began.
*
* @type Number
*/
var initialCenterY = 0;
// Zoom and pan client via pinch gestures
$scope.clientPinch = function clientPinch(inProgress, startLength, currentLength, centerX, centerY) {
// Do not handle pinch gestures if they would conflict with remote
// handling of similar gestures
if ($scope.client.multiTouchSupport > 1)
return false;
// Do not handle pinch gestures while relative mouse is in use (2+
// contact point gestures are used by relative mouse emulation to
// support right click, middle click, and scrolling)
if (!$scope.emulateAbsoluteMouse)
return false;
// Stop gesture if not in progress
if (!inProgress) {
initialScale = null;
return false;
}
// Set initial scale if gesture has just started
if (!initialScale) {
initialScale = $scope.client.clientProperties.scale;
initialCenterX = (centerX + $scope.client.clientProperties.scrollLeft) / initialScale;
initialCenterY = (centerY + $scope.client.clientProperties.scrollTop) / initialScale;
}
// Determine new scale absolutely
var currentScale = initialScale * currentLength / startLength;
// Fix scale within limits - scroll will be miscalculated otherwise
currentScale = Math.max(currentScale, $scope.client.clientProperties.minScale);
currentScale = Math.min(currentScale, $scope.client.clientProperties.maxScale);
// Update scale based on pinch distance
$scope.client.clientProperties.autoFit = false;
$scope.client.clientProperties.scale = currentScale;
// Scroll display to keep original pinch location centered within current pinch
$scope.client.clientProperties.scrollLeft = initialCenterX * currentScale - centerX;
$scope.client.clientProperties.scrollTop = initialCenterY * currentScale - centerY;
return false;
};
// Ensure focus is regained via mousedown before forwarding event
mouse.on('mousedown', document.body.focus.bind(document.body));
// Forward all mouse events
mouse.onEach(['mousedown', 'mousemove', 'mouseup'], handleMouseEvent);
// Hide software cursor when mouse leaves display
mouse.on('mouseout', function() {
if (!display) return;
display.showCursor(false);
});
// Update remote clipboard if local clipboard changes
$scope.$on('guacClipboard', function onClipboard(event, data) {
ManagedClient.setClipboard($scope.client, data);
});
// Translate local keydown events to remote keydown events if keyboard is enabled
$scope.$on('guacKeydown', function keydownListener(event, keysym, keyboard) {
if ($scope.client.clientProperties.keyboardEnabled && $scope.client.clientProperties.focused) {
client.sendKeyEvent(1, keysym);
event.preventDefault();
}
});
// Translate local keyup events to remote keyup events if keyboard is enabled
$scope.$on('guacKeyup', function keyupListener(event, keysym, keyboard) {
if ($scope.client.clientProperties.keyboardEnabled && $scope.client.clientProperties.focused) {
client.sendKeyEvent(0, keysym);
event.preventDefault();
}
});
// Universally handle all synthetic keydown events
$scope.$on('guacSyntheticKeydown', function syntheticKeydownListener(event, keysym) {
if ($scope.client.clientProperties.focused)
client.sendKeyEvent(1, keysym);
});
// Universally handle all synthetic keyup events
$scope.$on('guacSyntheticKeyup', function syntheticKeyupListener(event, keysym) {
if ($scope.client.clientProperties.focused)
client.sendKeyEvent(0, keysym);
});
/**
* Ignores the given event.
*
* @param {Event} e The event to ignore.
*/
function ignoreEvent(e) {
e.preventDefault();
e.stopPropagation();
}
// Handle and ignore dragenter/dragover
displayContainer.addEventListener("dragenter", ignoreEvent, false);
displayContainer.addEventListener("dragover", ignoreEvent, false);
// File drop event handler
displayContainer.addEventListener("drop", function(e) {
e.preventDefault();
e.stopPropagation();
// Ignore file drops if no attached client
if (!$scope.client)
return;
// Upload each file
var files = e.dataTransfer.files;
for (var i=0; i<files.length; i++)
ManagedClient.uploadFile($scope.client, files[i]);
}, false);
}];
return directive;
/*
* END CLIENT DIRECTIVE
*/
}]
};
}]);

View File

@@ -37,7 +37,15 @@ angular.module('client').directive('guacTiledClients', [function guacTiledClient
*
* @type ManagedClientGroup
*/
clientGroup : '='
clientGroup : '=',
/**
* Whether translation of touch to mouse events should emulate an
* absolute pointer device, or a relative pointer device.
*
* @type boolean
*/
emulateAbsoluteMouse : '='
};

View File

@@ -6,10 +6,13 @@
<div class="client-view-content">
<!-- Central portion of view -->
<div class="client-body" guac-touch-drag="clientDrag" guac-touch-pinch="clientPinch">
<div class="client-body" guac-touch-drag="hiddenMenuDrag">
<!-- All connections in current display -->
<guac-tiled-clients client-group="clientGroup"></guac-tiled-clients>
<guac-tiled-clients
client-group="clientGroup"
emulate-absolute-mouse="menu.emulateAbsoluteMouse">
</guac-tiled-clients>
</div>
@@ -78,7 +81,7 @@
</div>
<!-- Scrollable body -->
<div class="menu-body" guac-touch-drag="menuDrag" guac-scroll="menu.scrollState">
<div class="menu-body" guac-touch-drag="visibleMenuDrag" guac-scroll="menu.scrollState">
<!-- Connection sharing -->
<div class="menu-section" id="share-links" ng-show="isShared()">

View File

@@ -1,4 +1,5 @@
<div class="main" guac-resize="mainElementResized">
<div class="main" guac-resize="mainElementResized"
guac-touch-drag="clientDrag" guac-touch-pinch="clientPinch">
<!-- Display -->
<div class="displayOuter">

View File

@@ -7,7 +7,7 @@
ng-click="assignFocus(client)">
<h3>{{ client.title }}</h3>
<guac-client client="client"></guac-client>
<guac-client client="client" emulate-absolute-mouse="emulateAbsoluteMouse"></guac-client>
<!-- Client-specific status/error dialog -->
<guac-client-notification client="client"></guac-client-notification>