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Bug 931777 - Use Downloads.jsm functions to get download directories in Firefox for Metro r=msamuel
This commit is contained in:
Raymond Lee
parent
8c78239a23
commit
ff0a63c139
@ -18,6 +18,12 @@ XPCOMUtils.defineLazyGetter(this, "ContentUtil", function() {
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Cu.import("resource:///modules/ContentUtil.jsm");
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return ContentUtil;
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});
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XPCOMUtils.defineLazyModuleGetter(this, "Downloads",
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"resource://gre/modules/Downloads.jsm");
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XPCOMUtils.defineLazyModuleGetter(this, "FileUtils",
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"resource://gre/modules/FileUtils.jsm");
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XPCOMUtils.defineLazyModuleGetter(this, "Task",
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"resource://gre/modules/Task.jsm");
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// -----------------------------------------------------------------------
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// HelperApp Launcher Dialog
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@ -133,98 +139,109 @@ HelperAppLauncherDialog.prototype = {
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},
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promptForSaveToFile: function hald_promptForSaveToFile(aLauncher, aContext, aDefaultFile, aSuggestedFileExt, aForcePrompt) {
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throw new Components.Exception("Async version must be used", Cr.NS_ERROR_NOT_AVAILABLE);
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},
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promptForSaveToFileAsync: function hald_promptForSaveToFileAsync(aLauncher, aContext, aDefaultFile, aSuggestedFileExt, aForcePrompt) {
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let file = null;
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let prefs = Services.prefs;
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if (!aForcePrompt) {
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// Check to see if the user wishes to auto save to the default download
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// folder without prompting. Note that preference might not be set.
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let autodownload = true;
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try {
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autodownload = prefs.getBoolPref(PREF_BD_USEDOWNLOADDIR);
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} catch (e) { }
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if (autodownload) {
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// Retrieve the user's default download directory
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let dnldMgr = Cc["@mozilla.org/download-manager;1"].getService(Ci.nsIDownloadManager);
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let defaultFolder = dnldMgr.userDownloadsDirectory;
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Task.spawn(function() {
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if (!aForcePrompt) {
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// Check to see if the user wishes to auto save to the default download
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// folder without prompting. Note that preference might not be set.
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let autodownload = true;
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try {
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file = this.validateLeafName(defaultFolder, aDefaultFile, aSuggestedFileExt);
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}
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catch (e) {
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}
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autodownload = prefs.getBoolPref(PREF_BD_USEDOWNLOADDIR);
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} catch (e) { }
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// Check to make sure we have a valid directory, otherwise, prompt
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if (file)
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return file;
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if (autodownload) {
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// Retrieve the user's preferred download directory
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let preferredDir = yield Downloads.getPreferredDownloadsDirectory();
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let defaultFolder = new FileUtils.File(preferredDir);
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try {
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file = this.validateLeafName(defaultFolder, aDefaultFile, aSuggestedFileExt);
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}
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catch (e) {
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}
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// Check to make sure we have a valid directory, otherwise, prompt
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if (file) {
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aLauncher.saveDestinationAvailable(file);
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return;
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}
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}
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}
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}
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// Use file picker to show dialog.
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let picker = Cc["@mozilla.org/filepicker;1"].createInstance(Ci.nsIFilePicker);
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let windowTitle = "";
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let parent = aContext.QueryInterface(Ci.nsIInterfaceRequestor).getInterface(Ci.nsIDOMWindow);
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picker.init(parent, windowTitle, Ci.nsIFilePicker.modeSave);
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picker.defaultString = aDefaultFile;
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// Use file picker to show dialog.
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let picker = Cc["@mozilla.org/filepicker;1"].createInstance(Ci.nsIFilePicker);
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let windowTitle = "";
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let parent = aContext.QueryInterface(Ci.nsIInterfaceRequestor).getInterface(Ci.nsIDOMWindow);
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picker.init(parent, windowTitle, Ci.nsIFilePicker.modeSave);
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picker.defaultString = aDefaultFile;
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if (aSuggestedFileExt) {
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// aSuggestedFileExtension includes the period, so strip it
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picker.defaultExtension = aSuggestedFileExt.substring(1);
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}
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else {
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if (aSuggestedFileExt) {
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// aSuggestedFileExtension includes the period, so strip it
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picker.defaultExtension = aSuggestedFileExt.substring(1);
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}
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else {
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try {
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picker.defaultExtension = aLauncher.MIMEInfo.primaryExtension;
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}
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catch (e) { }
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}
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let wildCardExtension = "*";
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if (aSuggestedFileExt) {
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wildCardExtension += aSuggestedFileExt;
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picker.appendFilter(aLauncher.MIMEInfo.description, wildCardExtension);
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}
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picker.appendFilters(Ci.nsIFilePicker.filterAll);
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// Default to lastDir if it is valid, otherwise use the user's preferred
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// downloads directory. getPreferredDownloadsDirectory should always
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// return a valid directory string, so we can safely default to it.
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let preferredDir = yield Downloads.getPreferredDownloadsDirectory();
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picker.displayDirectory = new FileUtils.File(preferredDir);
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// The last directory preference may not exist, which will throw.
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try {
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picker.defaultExtension = aLauncher.MIMEInfo.primaryExtension;
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let lastDir = prefs.getComplexValue("browser.download.lastDir", Ci.nsILocalFile);
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if (isUsableDirectory(lastDir))
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picker.displayDirectory = lastDir;
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}
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catch (e) { }
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}
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var wildCardExtension = "*";
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if (aSuggestedFileExt) {
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wildCardExtension += aSuggestedFileExt;
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picker.appendFilter(aLauncher.MIMEInfo.description, wildCardExtension);
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}
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picker.open(function(aResult) {
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if (aResult == Ci.nsIFilePicker.returnCancel) {
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// null result means user cancelled.
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aLauncher.saveDestinationAvailable(null);
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return;
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}
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picker.appendFilters(Ci.nsIFilePicker.filterAll);
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// Be sure to save the directory the user chose through the Save As...
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// dialog as the new browser.download.dir since the old one
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// didn't exist.
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file = picker.file;
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// Default to lastDir if it is valid, otherwise use the user's default
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// downloads directory. userDownloadsDirectory should always return a
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// valid directory, so we can safely default to it.
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var dnldMgr = Cc["@mozilla.org/download-manager;1"].getService(Ci.nsIDownloadManager);
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picker.displayDirectory = dnldMgr.userDownloadsDirectory;
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// The last directory preference may not exist, which will throw.
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try {
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let lastDir = prefs.getComplexValue("browser.download.lastDir", Ci.nsILocalFile);
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if (isUsableDirectory(lastDir))
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picker.displayDirectory = lastDir;
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}
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catch (e) { }
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if (picker.show() == Ci.nsIFilePicker.returnCancel) {
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// null result means user cancelled.
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return null;
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}
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// Be sure to save the directory the user chose through the Save As...
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// dialog as the new browser.download.dir since the old one
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// didn't exist.
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file = picker.file;
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if (file) {
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try {
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// Remove the file so that it's not there when we ensure non-existence later;
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// this is safe because for the file to exist, the user would have had to
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// confirm that he wanted the file overwritten.
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if (file.exists())
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file.remove(false);
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}
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catch (e) { }
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var newDir = file.parent.QueryInterface(Ci.nsILocalFile);
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prefs.setComplexValue("browser.download.lastDir", Ci.nsILocalFile, newDir);
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file = this.validateLeafName(newDir, file.leafName, null);
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}
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return file;
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if (file) {
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try {
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// Remove the file so that it's not there when we ensure non-existence later;
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// this is safe because for the file to exist, the user would have had to
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// confirm that he wanted the file overwritten.
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if (file.exists())
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file.remove(false);
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}
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catch (e) { }
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let newDir = file.parent.QueryInterface(Ci.nsILocalFile);
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prefs.setComplexValue("browser.download.lastDir", Ci.nsILocalFile, newDir);
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file = this.validateLeafName(newDir, file.leafName, null);
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}
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aLauncher.saveDestinationAvailable(file);
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}.bind(this));
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}.bind(this));
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},
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validateLeafName: function hald_validateLeafName(aLocalFile, aLeafName, aFileExt) {
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