diff options
Diffstat (limited to 'toolkit/content/widgets/editor.js')
| -rw-r--r-- | toolkit/content/widgets/editor.js | 207 |
1 files changed, 207 insertions, 0 deletions
diff --git a/toolkit/content/widgets/editor.js b/toolkit/content/widgets/editor.js new file mode 100644 index 0000000000..a2ded454e6 --- /dev/null +++ b/toolkit/content/widgets/editor.js @@ -0,0 +1,207 @@ +/* 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"; + +// This is loaded into chrome windows with the subscript loader. Wrap in +// a block to prevent accidentally leaking globals onto `window`. +{ + /* globals XULFrameElement */ + + class MozEditor extends XULFrameElement { + connectedCallback() { + this._editorContentListener = { + QueryInterface: ChromeUtils.generateQI([ + "nsIURIContentListener", + "nsISupportsWeakReference", + ]), + doContent(contentType, isContentPreferred, request, contentHandler) { + return false; + }, + isPreferred(contentType, desiredContentType) { + return false; + }, + canHandleContent(contentType, isContentPreferred, desiredContentType) { + return false; + }, + loadCookie: null, + parentContentListener: null, + }; + + this._finder = null; + + this._fastFind = null; + + this._lastSearchString = null; + + // Make window editable immediately only + // if the "editortype" attribute is supplied + // This allows using same contentWindow for different editortypes, + // where the type is determined during the apps's window.onload handler. + if (this.editortype) { + this.makeEditable(this.editortype, true); + } + } + + get finder() { + if (!this._finder) { + if (!this.docShell) { + return null; + } + + let { Finder } = ChromeUtils.importESModule( + "resource://gre/modules/Finder.sys.mjs" + ); + this._finder = new Finder(this.docShell); + } + return this._finder; + } + + get fastFind() { + if (!this._fastFind) { + if (!("@mozilla.org/typeaheadfind;1" in Cc)) { + return null; + } + + if (!this.docShell) { + return null; + } + + this._fastFind = Cc["@mozilla.org/typeaheadfind;1"].createInstance( + Ci.nsITypeAheadFind + ); + this._fastFind.init(this.docShell); + } + return this._fastFind; + } + + set editortype(val) { + this.setAttribute("editortype", val); + } + + get editortype() { + return this.getAttribute("editortype"); + } + + get currentURI() { + return this.webNavigation.currentURI; + } + + get webBrowserFind() { + return this.docShell + .QueryInterface(Ci.nsIInterfaceRequestor) + .getInterface(Ci.nsIWebBrowserFind); + } + + get markupDocumentViewer() { + return this.docShell.contentViewer; + } + + get editingSession() { + return this.docShell.editingSession; + } + + get commandManager() { + return this.webNavigation + .QueryInterface(Ci.nsIInterfaceRequestor) + .getInterface(Ci.nsICommandManager); + } + + set fullZoom(val) { + this.browsingContext.fullZoom = val; + } + + get fullZoom() { + return this.browsingContext.fullZoom; + } + + set textZoom(val) { + this.browsingContext.textZoom = val; + } + + get textZoom() { + return this.browsingContext.textZoom; + } + + get isSyntheticDocument() { + return this.contentDocument.isSyntheticDocument; + } + + get messageManager() { + if (this.frameLoader) { + return this.frameLoader.messageManager; + } + return null; + } + + // Copied from toolkit/content/widgets/browser-custom-element.js. + // Send an asynchronous message to the remote child via an actor. + // Note: use this only for messages through an actor. For old-style + // messages, use the message manager. + // The value of the scope argument determines which browsing contexts + // are sent to: + // 'all' - send to actors associated with all descendant child frames. + // 'roots' - send only to actors associated with process roots. + // undefined/'' - send only to the top-level actor and not any descendants. + sendMessageToActor(messageName, args, actorName, scope) { + if (!this.frameLoader) { + return; + } + + function sendToChildren(browsingContext, childScope) { + let windowGlobal = browsingContext.currentWindowGlobal; + // If 'roots' is set, only send if windowGlobal.isProcessRoot is true. + if ( + windowGlobal && + (childScope != "roots" || windowGlobal.isProcessRoot) + ) { + windowGlobal.getActor(actorName).sendAsyncMessage(messageName, args); + } + + // Iterate as long as scope in assigned. Note that we use the original + // passed in scope, not childScope here. + if (scope) { + for (let context of browsingContext.children) { + sendToChildren(context, scope); + } + } + } + + // Pass no second argument to always send to the top-level browsing context. + sendToChildren(this.browsingContext); + } + + get outerWindowID() { + return this.docShell.outerWindowID; + } + + makeEditable(editortype, waitForUrlLoad) { + let win = this.contentWindow; + this.editingSession.makeWindowEditable( + win, + editortype, + waitForUrlLoad, + true, + false + ); + this.setAttribute("editortype", editortype); + + this.docShell + .QueryInterface(Ci.nsIInterfaceRequestor) + .getInterface(Ci.nsIURIContentListener).parentContentListener = + this._editorContentListener; + } + + getEditor(containingWindow) { + return this.editingSession.getEditorForWindow(containingWindow); + } + + getHTMLEditor(containingWindow) { + var editor = this.editingSession.getEditorForWindow(containingWindow); + return editor.QueryInterface(Ci.nsIHTMLEditor); + } + } + + customElements.define("editor", MozEditor); +} |