mirror of
https://github.com/classilla/tenfourfox.git
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263 lines
8.4 KiB
JavaScript
263 lines
8.4 KiB
JavaScript
// -*- indent-tabs-mode: nil; js-indent-level: 2 -*-
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// vim: set ts=2 sw=2 sts=2 et tw=80: */
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// This Source Code Form is subject to the terms of the Mozilla Public
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// License, v. 2.0. If a copy of the MPL was not distributed with this
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// file, You can obtain one at http://mozilla.org/MPL/2.0/.
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this.EXPORTED_SYMBOLS = ["RemoteFinder", "RemoteFinderListener"];
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const Ci = Components.interfaces;
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const Cc = Components.classes;
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const Cu = Components.utils;
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Cu.import("resource://gre/modules/XPCOMUtils.jsm");
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XPCOMUtils.defineLazyGetter(this, "GetClipboardSearchString",
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() => Cu.import("resource://gre/modules/Finder.jsm", {}).GetClipboardSearchString
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);
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function RemoteFinder(browser) {
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this._listeners = new Set();
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this._searchString = null;
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this.swapBrowser(browser);
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}
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RemoteFinder.prototype = {
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swapBrowser: function(aBrowser) {
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if (this._messageManager) {
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this._messageManager.removeMessageListener("Finder:Result", this);
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this._messageManager.removeMessageListener("Finder:MatchesResult", this);
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this._messageManager.removeMessageListener("Finder:CurrentSelectionResult",this);
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}
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else {
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aBrowser.messageManager.sendAsyncMessage("Finder:Initialize");
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}
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this._browser = aBrowser;
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this._messageManager = this._browser.messageManager;
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this._messageManager.addMessageListener("Finder:Result", this);
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this._messageManager.addMessageListener("Finder:MatchesResult", this);
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this._messageManager.addMessageListener("Finder:CurrentSelectionResult", this);
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// Ideally listeners would have removed themselves but that doesn't happen
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// right now
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this._listeners.clear();
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},
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addResultListener: function (aListener) {
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this._listeners.add(aListener);
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},
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removeResultListener: function (aListener) {
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this._listeners.delete(aListener);
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},
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receiveMessage: function (aMessage) {
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// Only Finder:Result messages have the searchString field.
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let callback;
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let params;
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switch (aMessage.name) {
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case "Finder:Result":
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this._searchString = aMessage.data.searchString;
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callback = "onFindResult";
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params = [ aMessage.data ];
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break;
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case "Finder:MatchesResult":
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callback = "onMatchesCountResult";
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params = [ aMessage.data ];
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break;
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case "Finder:CurrentSelectionResult":
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callback = "onCurrentSelection";
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params = [ aMessage.data.selection, aMessage.data.initial ];
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break;
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}
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for (let l of this._listeners) {
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// Don't let one callback throwing stop us calling the rest
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try {
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l[callback].apply(l, params);
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}
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catch (e) {
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Cu.reportError(e);
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}
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}
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},
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get searchString() {
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return this._searchString;
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},
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get clipboardSearchString() {
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return GetClipboardSearchString(this._browser.loadContext);
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},
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setSearchStringToSelection() {
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this._browser.messageManager.sendAsyncMessage("Finder:SetSearchStringToSelection", {});
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},
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set caseSensitive(aSensitive) {
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this._browser.messageManager.sendAsyncMessage("Finder:CaseSensitive",
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{ caseSensitive: aSensitive });
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},
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getInitialSelection: function() {
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this._browser.messageManager.sendAsyncMessage("Finder:GetInitialSelection", {});
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},
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fastFind: function (aSearchString, aLinksOnly, aDrawOutline) {
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this._browser.messageManager.sendAsyncMessage("Finder:FastFind",
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{ searchString: aSearchString,
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linksOnly: aLinksOnly,
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drawOutline: aDrawOutline });
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},
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findAgain: function (aFindBackwards, aLinksOnly, aDrawOutline) {
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this._browser.messageManager.sendAsyncMessage("Finder:FindAgain",
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{ findBackwards: aFindBackwards,
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linksOnly: aLinksOnly,
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drawOutline: aDrawOutline });
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},
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highlight: function (aHighlight, aWord) {
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this._browser.messageManager.sendAsyncMessage("Finder:Highlight",
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{ highlight: aHighlight,
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word: aWord });
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},
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enableSelection: function () {
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this._browser.messageManager.sendAsyncMessage("Finder:EnableSelection");
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},
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removeSelection: function () {
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this._browser.messageManager.sendAsyncMessage("Finder:RemoveSelection");
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},
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focusContent: function () {
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// Allow Finder listeners to cancel focusing the content.
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for (let l of this._listeners) {
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try {
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if ("shouldFocusContent" in l &&
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!l.shouldFocusContent())
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return;
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} catch (ex) {
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Cu.reportError(ex);
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}
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}
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this._browser.focus();
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this._browser.messageManager.sendAsyncMessage("Finder:FocusContent");
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},
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keyPress: function (aEvent) {
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this._browser.messageManager.sendAsyncMessage("Finder:KeyPress",
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{ keyCode: aEvent.keyCode,
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ctrlKey: aEvent.ctrlKey,
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metaKey: aEvent.metaKey,
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altKey: aEvent.altKey,
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shiftKey: aEvent.shiftKey });
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},
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requestMatchesCount: function (aSearchString, aMatchLimit, aLinksOnly) {
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this._browser.messageManager.sendAsyncMessage("Finder:MatchesCount",
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{ searchString: aSearchString,
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matchLimit: aMatchLimit,
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linksOnly: aLinksOnly });
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}
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}
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function RemoteFinderListener(global) {
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let {Finder} = Cu.import("resource://gre/modules/Finder.jsm", {});
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this._finder = new Finder(global.docShell);
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this._finder.addResultListener(this);
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this._global = global;
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for (let msg of this.MESSAGES) {
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global.addMessageListener(msg, this);
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}
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}
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RemoteFinderListener.prototype = {
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MESSAGES: [
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"Finder:CaseSensitive",
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"Finder:FastFind",
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"Finder:FindAgain",
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"Finder:SetSearchStringToSelection",
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"Finder:GetInitialSelection",
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"Finder:Highlight",
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"Finder:EnableSelection",
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"Finder:RemoveSelection",
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"Finder:FocusContent",
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"Finder:KeyPress",
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"Finder:MatchesCount"
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],
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onFindResult: function (aData) {
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this._global.sendAsyncMessage("Finder:Result", aData);
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},
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// When the child receives messages with results of requestMatchesCount,
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// it passes them forward to the parent.
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onMatchesCountResult: function (aData) {
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this._global.sendAsyncMessage("Finder:MatchesResult", aData);
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},
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receiveMessage: function (aMessage) {
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let data = aMessage.data;
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switch (aMessage.name) {
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case "Finder:CaseSensitive":
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this._finder.caseSensitive = data.caseSensitive;
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break;
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case "Finder:SetSearchStringToSelection": {
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let selection = this._finder.setSearchStringToSelection();
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this._global.sendAsyncMessage("Finder:CurrentSelectionResult",
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{ selection: selection,
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initial: false });
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break;
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}
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case "Finder:GetInitialSelection": {
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let selection = this._finder.getActiveSelectionText();
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this._global.sendAsyncMessage("Finder:CurrentSelectionResult",
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{ selection: selection,
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initial: true });
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break;
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}
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case "Finder:FastFind":
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this._finder.fastFind(data.searchString, data.linksOnly, data.drawOutline);
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break;
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case "Finder:FindAgain":
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this._finder.findAgain(data.findBackwards, data.linksOnly, data.drawOutline);
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break;
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case "Finder:Highlight":
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this._finder.highlight(data.highlight, data.word);
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break;
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case "Finder:EnableSelection":
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this._finder.enableSelection();
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break;
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case "Finder:RemoveSelection":
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this._finder.removeSelection();
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break;
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case "Finder:FocusContent":
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this._finder.focusContent();
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break;
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case "Finder:KeyPress":
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this._finder.keyPress(data);
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break;
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case "Finder:MatchesCount":
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this._finder.requestMatchesCount(data.searchString, data.matchLimit, data.linksOnly);
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break;
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}
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}
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};
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