mirror of
https://gitlab.winehq.org/wine/wine-gecko.git
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203 lines
7.3 KiB
JavaScript
203 lines
7.3 KiB
JavaScript
/* ***** BEGIN LICENSE BLOCK *****
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* Version: MPL 1.1/GPL 2.0/LGPL 2.1
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*
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* The contents of this file are subject to the Mozilla Public License Version
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* 1.1 (the "License"); you may not use this file except in compliance with
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* the License. You may obtain a copy of the License at
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* http://www.mozilla.org/MPL/
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*
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* Software distributed under the License is distributed on an "AS IS" basis,
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* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
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* for the specific language governing rights and limitations under the
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* License.
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*
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* The Original Code is Mozilla Mobile Browser.
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*
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* The Initial Developer of the Original Code is
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* Mozilla Foundation.
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* Portions created by the Initial Developer are Copyright (C) 2011
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* the Initial Developer. All Rights Reserved.
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*
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* Contributor(s):
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* Mark Finkle <mfinkle@mozilla.com>
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*
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* Alternatively, the contents of this file may be used under the terms of
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* either the GNU General Public License Version 2 or later (the "GPL"), or
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* the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
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* in which case the provisions of the GPL or the LGPL are applicable instead
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* of those above. If you wish to allow use of your version of this file only
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* under the terms of either the GPL or the LGPL, and not to allow others to
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* use your version of this file under the terms of the MPL, indicate your
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* decision by deleting the provisions above and replace them with the notice
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* and other provisions required by the GPL or the LGPL. If you do not delete
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* the provisions above, a recipient may use your version of this file under
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* the terms of any one of the MPL, the GPL or the LGPL.
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*
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* ***** END LICENSE BLOCK ***** */
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var SelectionHelper = {
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enabled: true,
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popupState: null,
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target: null,
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deltaX: -1,
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deltaY: -1,
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get _start() {
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delete this._start;
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return this._start = document.getElementById("selectionhandle-start");
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},
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get _end() {
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delete this._end;
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return this._end = document.getElementById("selectionhandle-end");
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},
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showPopup: function sh_showPopup(aMessage) {
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if (!this.enabled || aMessage.json.types.indexOf("content-text") == -1)
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return false;
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this.popupState = aMessage.json;
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this.popupState.target = aMessage.target;
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this._start.customDragger = {
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isDraggable: function isDraggable(target, content) { return { x: true, y: false }; },
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dragStart: function dragStart(cx, cy, target, scroller) {},
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dragStop: function dragStop(dx, dy, scroller) { return false; },
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dragMove: function dragMove(dx, dy, scroller) { return false; }
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};
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this._end.customDragger = {
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isDraggable: function isDraggable(target, content) { return { x: true, y: false }; },
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dragStart: function dragStart(cx, cy, target, scroller) {},
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dragStop: function dragStop(dx, dy, scroller) { return false; },
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dragMove: function dragMove(dx, dy, scroller) { return false; }
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};
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this._start.addEventListener("TapUp", this, true);
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this._end.addEventListener("TapUp", this, true);
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messageManager.addMessageListener("Browser:SelectionRange", this);
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messageManager.addMessageListener("Browser:SelectionCopied", this);
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this.popupState.target.messageManager.sendAsyncMessage("Browser:SelectionStart", { x: this.popupState.x, y: this.popupState.y });
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// Hide the selection handles
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window.addEventListener("TapDown", this, true);
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window.addEventListener("resize", this, true);
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window.addEventListener("keypress", this, true);
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Elements.browsers.addEventListener("URLChanged", this, true);
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Elements.browsers.addEventListener("SizeChanged", this, true);
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Elements.browsers.addEventListener("ZoomChanged", this, true);
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let event = document.createEvent("Events");
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event.initEvent("CancelTouchSequence", true, false);
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this.popupState.target.dispatchEvent(event);
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return true;
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},
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hide: function sh_hide(aEvent) {
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if (this._start.hidden)
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return;
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let pos = this.popupState.target.transformClientToBrowser(aEvent.clientX || 0, aEvent.clientY || 0);
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let json = {
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x: pos.x,
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y: pos.y
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};
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try {
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this.popupState.target.messageManager.sendAsyncMessage("Browser:SelectionEnd", json);
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} catch (e) {
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Cu.reportError(e);
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}
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this.popupState = null;
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this._start.hidden = true;
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this._end.hidden = true;
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this._start.removeEventListener("TapUp", this, true);
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this._end.removeEventListener("TapUp", this, true);
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messageManager.removeMessageListener("Browser:SelectionRange", this);
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window.removeEventListener("TapDown", this, true);
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window.removeEventListener("resize", this, true);
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window.removeEventListener("keypress", this, true);
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Elements.browsers.removeEventListener("URLChanged", this, true);
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Elements.browsers.removeEventListener("SizeChanged", this, true);
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Elements.browsers.removeEventListener("ZoomChanged", this, true);
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},
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handleEvent: function handleEvent(aEvent) {
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switch (aEvent.type) {
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case "TapDown":
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if (aEvent.target == this._start || aEvent.target == this._end) {
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this.target = aEvent.target;
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this.deltaX = (aEvent.clientX - this.target.left);
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this.deltaY = (aEvent.clientY - this.target.top);
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window.addEventListener("TapMove", this, true);
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} else {
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this.hide(aEvent);
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}
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break;
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case "TapUp":
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window.removeEventListener("TapMove", this, true);
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this.target = null;
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this.deltaX = -1;
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this.deltaY = -1;
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break;
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case "TapMove":
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if (this.target) {
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this.target.left = aEvent.clientX - this.deltaX;
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this.target.top = aEvent.clientY - this.deltaY;
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let rect = this.target.getBoundingClientRect();
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let data = this.target == this._start ? { x: rect.right, y: rect.top, type: "start" } : { x: rect.left, y: rect.top, type: "end" };
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let pos = this.popupState.target.transformClientToBrowser(data.x || 0, data.y || 0);
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let json = {
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type: data.type,
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x: pos.x,
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y: pos.y
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};
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this.popupState.target.messageManager.sendAsyncMessage("Browser:SelectionMove", json);
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}
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break;
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case "resize":
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case "SizeChanged":
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case "ZoomChanged":
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case "URLChanged":
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case "keypress":
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this.hide(aEvent);
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break;
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}
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},
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receiveMessage: function sh_receiveMessage(aMessage) {
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let json = aMessage.json;
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switch (aMessage.name) {
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case "Browser:SelectionRange": {
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let pos = this.popupState.target.transformBrowserToClient(json.start.x || 0, json.start.y || 0);
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this._start.left = pos.x - 32;
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this._start.top = pos.y + this.deltaY;
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this._start.hidden = false;
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pos = this.popupState.target.transformBrowserToClient(json.end.x || 0, json.end.y || 0);
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this._end.left = pos.x;
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this._end.top = pos.y;
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this._end.hidden = false;
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break;
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}
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case "Browser:SelectionCopied": {
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messageManager.removeMessageListener("Browser:SelectionCopied", this);
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if (json.succeeded) {
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let toaster = Cc["@mozilla.org/toaster-alerts-service;1"].getService(Ci.nsIAlertsService);
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toaster.showAlertNotification(null, Strings.browser.GetStringFromName("selectionHelper.textCopied"), "", false, "", null);
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}
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break;
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}
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}
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}
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};
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