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authorMatt A. Tobin <mattatobin@localhost.localdomain>2018-02-02 04:16:08 -0500
committerMatt A. Tobin <mattatobin@localhost.localdomain>2018-02-02 04:16:08 -0500
commit5f8de423f190bbb79a62f804151bc24824fa32d8 (patch)
tree10027f336435511475e392454359edea8e25895d /dom/browser-element/BrowserElementCopyPaste.js
parent49ee0794b5d912db1f95dce6eb52d781dc210db5 (diff)
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Add m-esr52 at 52.6.0
Diffstat (limited to 'dom/browser-element/BrowserElementCopyPaste.js')
-rw-r--r--dom/browser-element/BrowserElementCopyPaste.js125
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diff --git a/dom/browser-element/BrowserElementCopyPaste.js b/dom/browser-element/BrowserElementCopyPaste.js
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+/* -*- indent-tabs-mode: nil; js-indent-level: 2 -*- /
+/* vim: set shiftwidth=2 tabstop=2 autoindent cindent expandtab: */
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this file,
+ * You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+"use strict";
+
+function debug(msg) {
+ // dump("BrowserElementCopyPaste - " + msg + "\n");
+}
+
+debug("loaded");
+
+var { classes: Cc, interfaces: Ci, results: Cr, utils: Cu } = Components;
+
+var CopyPasteAssistent = {
+ COMMAND_MAP: {
+ 'cut': 'cmd_cut',
+ 'copy': 'cmd_copyAndCollapseToEnd',
+ 'paste': 'cmd_paste',
+ 'selectall': 'cmd_selectAll'
+ },
+
+ init: function() {
+ addEventListener("mozcaretstatechanged", this,
+ /* useCapture = */ true, /* wantsUntrusted = */ false);
+ addMessageListener("browser-element-api:call", this);
+ },
+
+ destroy: function() {
+ removeEventListener("mozcaretstatechanged", this,
+ /* useCapture = */ true, /* wantsUntrusted = */ false);
+ removeMessageListener("browser-element-api:call", this);
+ },
+
+ handleEvent: function(event) {
+ switch (event.type) {
+ case "mozcaretstatechanged":
+ this._caretStateChangedHandler(event);
+ break;
+ }
+ },
+
+ receiveMessage: function(message) {
+ switch (message.name) {
+ case "browser-element-api:call":
+ this._browserAPIHandler(message);
+ break;
+ }
+ },
+
+ _browserAPIHandler: function(e) {
+ switch (e.data.msg_name) {
+ case 'copypaste-do-command':
+ if (this._isCommandEnabled(e.data.command)) {
+ docShell.doCommand(this.COMMAND_MAP[e.data.command]);
+ }
+ break;
+ }
+ },
+
+ _isCommandEnabled: function(cmd) {
+ let command = this.COMMAND_MAP[cmd];
+ if (!command) {
+ return false;
+ }
+
+ return docShell.isCommandEnabled(command);
+ },
+
+ _caretStateChangedHandler: function(e) {
+ e.stopPropagation();
+
+ let boundingClientRect = e.boundingClientRect;
+ let canPaste = this._isCommandEnabled("paste");
+ let zoomFactor = content.innerWidth == 0 ? 1 : content.screen.width / content.innerWidth;
+
+ let detail = {
+ rect: {
+ width: boundingClientRect ? boundingClientRect.width : 0,
+ height: boundingClientRect ? boundingClientRect.height : 0,
+ top: boundingClientRect ? boundingClientRect.top : 0,
+ bottom: boundingClientRect ? boundingClientRect.bottom : 0,
+ left: boundingClientRect ? boundingClientRect.left : 0,
+ right: boundingClientRect ? boundingClientRect.right : 0,
+ },
+ commands: {
+ canSelectAll: this._isCommandEnabled("selectall"),
+ canCut: this._isCommandEnabled("cut"),
+ canCopy: this._isCommandEnabled("copy"),
+ canPaste: this._isCommandEnabled("paste"),
+ },
+ zoomFactor: zoomFactor,
+ reason: e.reason,
+ collapsed: e.collapsed,
+ caretVisible: e.caretVisible,
+ selectionVisible: e.selectionVisible,
+ selectionEditable: e.selectionEditable,
+ selectedTextContent: e.selectedTextContent
+ };
+
+ // Get correct geometry information if we have nested iframe.
+ let currentWindow = e.target.defaultView;
+ while (currentWindow.realFrameElement) {
+ let currentRect = currentWindow.realFrameElement.getBoundingClientRect();
+ detail.rect.top += currentRect.top;
+ detail.rect.bottom += currentRect.top;
+ detail.rect.left += currentRect.left;
+ detail.rect.right += currentRect.left;
+ currentWindow = currentWindow.realFrameElement.ownerDocument.defaultView;
+
+ let targetDocShell = currentWindow
+ .QueryInterface(Ci.nsIInterfaceRequestor)
+ .getInterface(Ci.nsIWebNavigation);
+ if(targetDocShell.isMozBrowserOrApp) {
+ break;
+ }
+ }
+
+ sendAsyncMsg('caretstatechanged', detail);
+ },
+};
+
+CopyPasteAssistent.init();