The Tor Browser / file comparison
comparison: toolkit/modules/WindowDraggingUtils.jsm
toolkit/modules/WindowDraggingUtils.jsm
- branch
- TOR_BUG_9701
- changeset 15
- b8a032363ba2
equal
deleted
inserted
replaced
| -1:000000000000 | 0:6bf6fe4457f4 |
|---|---|
| 1 /* This Source Code Form is subject to the terms of the Mozilla Public | |
| 2 * License, v. 2.0. If a copy of the MPL was not distributed with this | |
| 3 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ | |
| 4 | |
| 5 #ifdef XP_WIN | |
| 6 #define USE_HITTEST | |
| 7 #elifdef MOZ_WIDGET_COCOA | |
| 8 #define USE_HITTEST | |
| 9 #endif | |
| 10 | |
| 11 this.EXPORTED_SYMBOLS = [ "WindowDraggingElement" ]; | |
| 12 | |
| 13 this.WindowDraggingElement = function WindowDraggingElement(elem) { | |
| 14 this._elem = elem; | |
| 15 this._window = elem.ownerDocument.defaultView; | |
| 16 #ifdef USE_HITTEST | |
| 17 if (!this.isPanel()) | |
| 18 this._elem.addEventListener("MozMouseHittest", this, false); | |
| 19 else | |
| 20 #endif | |
| 21 this._elem.addEventListener("mousedown", this, false); | |
| 22 }; | |
| 23 | |
| 24 WindowDraggingElement.prototype = { | |
| 25 mouseDownCheck: function(e) { return true; }, | |
| 26 dragTags: ["box", "hbox", "vbox", "spacer", "label", "statusbarpanel", "stack", | |
| 27 "toolbaritem", "toolbarseparator", "toolbarspring", "toolbarspacer", | |
| 28 "radiogroup", "deck", "scrollbox", "arrowscrollbox", "tabs"], | |
| 29 shouldDrag: function(aEvent) { | |
| 30 if (aEvent.button != 0 || | |
| 31 this._window.fullScreen || | |
| 32 !this.mouseDownCheck.call(this._elem, aEvent) || | |
| 33 aEvent.defaultPrevented) | |
| 34 return false; | |
| 35 | |
| 36 let target = aEvent.originalTarget, parent = aEvent.originalTarget; | |
| 37 | |
| 38 // The target may be inside an embedded iframe or browser. (bug 615152) | |
| 39 if (target.ownerDocument.defaultView != this._window) | |
| 40 return false; | |
| 41 | |
| 42 while (parent != this._elem) { | |
| 43 let mousethrough = parent.getAttribute("mousethrough"); | |
| 44 if (mousethrough == "always") | |
| 45 target = parent.parentNode; | |
| 46 else if (mousethrough == "never") | |
| 47 break; | |
| 48 parent = parent.parentNode; | |
| 49 } | |
| 50 while (target != this._elem) { | |
| 51 if (this.dragTags.indexOf(target.localName) == -1) | |
| 52 return false; | |
| 53 target = target.parentNode; | |
| 54 } | |
| 55 return true; | |
| 56 }, | |
| 57 isPanel : function() { | |
| 58 return this._elem instanceof Components.interfaces.nsIDOMXULElement && | |
| 59 this._elem.localName == "panel"; | |
| 60 }, | |
| 61 handleEvent: function(aEvent) { | |
| 62 let isPanel = this.isPanel(); | |
| 63 #ifdef USE_HITTEST | |
| 64 if (!isPanel) { | |
| 65 if (this.shouldDrag(aEvent)) | |
| 66 aEvent.preventDefault(); | |
| 67 return; | |
| 68 } | |
| 69 #endif | |
| 70 | |
| 71 switch (aEvent.type) { | |
| 72 case "mousedown": | |
| 73 if (!this.shouldDrag(aEvent)) | |
| 74 return; | |
| 75 | |
| 76 #ifdef MOZ_WIDGET_GTK | |
| 77 // On GTK, there is a toolkit-level function which handles | |
| 78 // window dragging, which must be used. | |
| 79 this._window.beginWindowMove(aEvent, isPanel ? this._elem : null); | |
| 80 #else | |
| 81 if (isPanel) { | |
| 82 let screenRect = this._elem.getOuterScreenRect(); | |
| 83 this._deltaX = aEvent.screenX - screenRect.left; | |
| 84 this._deltaY = aEvent.screenY - screenRect.top; | |
| 85 } | |
| 86 else { | |
| 87 this._deltaX = aEvent.screenX - this._window.screenX; | |
| 88 this._deltaY = aEvent.screenY - this._window.screenY; | |
| 89 } | |
| 90 this._draggingWindow = true; | |
| 91 this._window.addEventListener("mousemove", this, false); | |
| 92 this._window.addEventListener("mouseup", this, false); | |
| 93 #endif | |
| 94 break; | |
| 95 case "mousemove": | |
| 96 if (this._draggingWindow) { | |
| 97 let toDrag = this.isPanel() ? this._elem : this._window; | |
| 98 toDrag.moveTo(aEvent.screenX - this._deltaX, aEvent.screenY - this._deltaY); | |
| 99 } | |
| 100 break; | |
| 101 case "mouseup": | |
| 102 if (this._draggingWindow) { | |
| 103 this._draggingWindow = false; | |
| 104 this._window.removeEventListener("mousemove", this, false); | |
| 105 this._window.removeEventListener("mouseup", this, false); | |
| 106 } | |
| 107 break; | |
| 108 } | |
| 109 } | |
| 110 } |
