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Merge branch 'reimplementFilePicker' into 'sailfishos-esr52'
Reimplement file picker See merge request mer-core/embedlite-components!52
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,305 @@ | ||
| /* 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/. */ | ||
|
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| const Ci = Components.interfaces; | ||
| const Cu = Components.utils; | ||
| const Cc = Components.classes; | ||
|
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| // Ported from Android FF esr52 sha1 2aba798852e4c1976f09181ceeebd68cef372cf1 | ||
|
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| Cu.import("resource://gre/modules/XPCOMUtils.jsm"); | ||
| Cu.import("resource://gre/modules/Services.jsm"); | ||
| Cu.import("resource://gre/modules/FileUtils.jsm"); | ||
|
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| Cu.importGlobalProperties(['File']); | ||
|
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| XPCOMUtils.defineLazyServiceGetter(Services, "embedlite", | ||
| "@mozilla.org/embedlite-app-service;1", | ||
| "nsIEmbedAppService"); | ||
|
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| function FilePicker() { | ||
| } | ||
|
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| FilePicker.prototype = { | ||
| _mimeTypeFilter: 0, | ||
| _extensionsFilter: "", | ||
| _defaultString: "", | ||
| _domWin: null, | ||
| _defaultExtension: null, | ||
| _displayDirectory: null, | ||
| _fileItems: null, | ||
| _promptActive: false, | ||
| _filterIndex: 0, | ||
| _addToRecentDocs: false, | ||
| _title: "", | ||
|
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| init: function(aParent, aTitle, aMode) { | ||
| this._domWin = aParent; | ||
| this._mode = aMode; | ||
| this._title = aTitle; | ||
| Services.obs.addObserver(this, "FilePicker:Result", false); | ||
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| let idService = Cc["@mozilla.org/uuid-generator;1"].getService(Ci.nsIUUIDGenerator); | ||
| this.guid = idService.generateUUID().toString(); | ||
|
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| if (aMode != Ci.nsIFilePicker.modeOpen && aMode != Ci.nsIFilePicker.modeOpenMultiple) | ||
| throw Components.results.NS_ERROR_NOT_IMPLEMENTED; | ||
| }, | ||
|
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| appendFilters: function(aFilterMask) { | ||
| if (aFilterMask & Ci.nsIFilePicker.filterAudio) { | ||
| this._mimeTypeFilter = "audio/*"; | ||
| return; | ||
| } | ||
|
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| if (aFilterMask & Ci.nsIFilePicker.filterImages) { | ||
| this._mimeTypeFilter = "image/*"; | ||
| return; | ||
| } | ||
|
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| if (aFilterMask & Ci.nsIFilePicker.filterVideo) { | ||
| this._mimeTypeFilter = "video/*"; | ||
| return; | ||
| } | ||
|
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| if (aFilterMask & Ci.nsIFilePicker.filterAll) { | ||
| this._mimeTypeFilter = "*/*"; | ||
| return; | ||
| } | ||
|
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| /* From BaseFilePicker.cpp */ | ||
| if (aFilterMask & Ci.nsIFilePicker.filterHTML) { | ||
| this.appendFilter("*.html; *.htm; *.shtml; *.xhtml"); | ||
| } | ||
| if (aFilterMask & Ci.nsIFilePicker.filterText) { | ||
| this.appendFilter("*.txt; *.text"); | ||
| } | ||
|
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| if (aFilterMask & Ci.nsIFilePicker.filterXML) { | ||
| this.appendFilter("*.xml"); | ||
| } | ||
|
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| if (aFilterMask & Ci.nsIFilePicker.xulFilter) { | ||
| this.appendFilter("*.xul"); | ||
| } | ||
|
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| if (aFilterMask & Ci.nsIFilePicker.xulFilter) { | ||
| this.appendFilter("..apps"); | ||
| } | ||
| }, | ||
|
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| appendFilter: function(title, filter) { | ||
| if (this._extensionsFilter) | ||
| this._extensionsFilter += ", "; | ||
| this._extensionsFilter += filter; | ||
| }, | ||
|
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| get defaultString() { | ||
| return this._defaultString; | ||
| }, | ||
|
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| set defaultString(defaultString) { | ||
| this._defaultString = defaultString; | ||
| }, | ||
|
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| get defaultExtension() { | ||
| return this._defaultExtension; | ||
| }, | ||
|
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| set defaultExtension(defaultExtension) { | ||
| this._defaultExtension = defaultExtension; | ||
| }, | ||
|
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| get filterIndex() { | ||
| return this._filterIndex; | ||
| }, | ||
|
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| set filterIndex(val) { | ||
| this._filterIndex = val; | ||
| }, | ||
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| get displayDirectory() { | ||
| return this._displayDirectory; | ||
| }, | ||
|
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| set displayDirectory(dir) { | ||
| this._displayDirectory = dir; | ||
| }, | ||
|
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| get file() { | ||
| if (!this._fileItems) { | ||
| return null; | ||
| } | ||
|
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| return new FileUtils.File(this._fileItems); | ||
| }, | ||
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| get fileURL() { | ||
| let file = this.getFile(); | ||
| return Services.io.newFileURI(file); | ||
| }, | ||
|
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| get files() { | ||
| return this.getEnumerator(this._fileItems, function(file) { | ||
| return file; | ||
| }); | ||
| }, | ||
|
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| // We don't support directory selection yet. | ||
| get domFileOrDirectory() { | ||
| let f = this.file; | ||
| if (!f) { | ||
| return null; | ||
| } | ||
|
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| let win = this._domWin; | ||
| if (win) { | ||
| let utils = win.QueryInterface(Ci.nsIInterfaceRequestor).getInterface(Ci.nsIDOMWindowUtils); | ||
| return utils.wrapDOMFile(f); | ||
| } | ||
|
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| return File.createFromNsIFile(f); | ||
| }, | ||
|
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| get domFileOrDirectoryEnumerator() { | ||
| let win = this._domWin; | ||
| return this.getEnumerator(this._fileItems, function(file) { | ||
| if (win) { | ||
| let utils = win.QueryInterface(Ci.nsIInterfaceRequestor).getInterface(Ci.nsIDOMWindowUtils); | ||
| return utils.wrapDOMFile(file); | ||
| } | ||
|
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| return File.createFromNsIFile(file); | ||
| }); | ||
| }, | ||
|
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| get addToRecentDocs() { | ||
| return this._addToRecentDocs; | ||
| }, | ||
|
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| set addToRecentDocs(val) { | ||
| this._addToRecentDocs = val; | ||
| }, | ||
|
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| get mode() { | ||
| return this._mode; | ||
| }, | ||
|
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| show: function() { | ||
| if (this._domWin) { | ||
| this.fireDialogEvent(this._domWin, "DOMWillOpenModalDialog"); | ||
| let winUtils = this._domWin.QueryInterface(Ci.nsIInterfaceRequestor).getInterface(Ci.nsIDOMWindowUtils); | ||
| winUtils.enterModalState(); | ||
| } | ||
|
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| this._promptActive = true; | ||
| this._sendMessage(); | ||
|
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| let thread = Services.tm.currentThread; | ||
| while (this._promptActive) | ||
| thread.processNextEvent(true); | ||
| delete this._promptActive; | ||
|
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| Services.embedlite.removeMessageListener("filepickerresponse", this); | ||
|
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| if (this._domWin) { | ||
| let winUtils = this._domWin.QueryInterface(Ci.nsIInterfaceRequestor).getInterface(Ci.nsIDOMWindowUtils); | ||
| winUtils.leaveModalState(); | ||
| this.fireDialogEvent(this._domWin, "DOMModalDialogClosed"); | ||
| } | ||
|
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| if (this._fileItems) | ||
| return Ci.nsIFilePicker.returnOK; | ||
|
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| return Ci.nsIFilePicker.returnCancel; | ||
| }, | ||
|
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| open: function(callback) { | ||
| this._callback = callback; | ||
| this._sendMessage(); | ||
| }, | ||
|
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| _sendMessage: function() { | ||
| let msg = { | ||
| type: "embed:filepicker", | ||
| winId: Services.embedlite.getIDByWindow(this._domWin), | ||
| title: this._title, | ||
| mode: this._mode | ||
| }; | ||
|
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| if (!this._extensionsFilter && !this._mimeTypeFilter) { | ||
| // If neither filters is set show anything we can. | ||
| msg.mimeType = "*/*"; | ||
| } else if (this._extensionsFilter) { | ||
| msg.mimeType = this._extensionsFilter; | ||
| } else { | ||
| msg.mimeType = this._mimeTypeFilter; | ||
| } | ||
|
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| this.sendMessageToEmbed(msg); | ||
| }, | ||
|
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| sendMessageToEmbed: function(aMsg) { | ||
| Services.embedlite.sendAsyncMessage(aMsg.winId, aMsg.type, JSON.stringify(aMsg)); | ||
| Services.embedlite.addMessageListener("filepickerresponse", this); | ||
| }, | ||
|
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| onMessageReceived: function(aMessageName, aData) { | ||
| let data = JSON.parse(aData); | ||
|
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| let winId = data.winId; | ||
| let accepted = data.accepted; | ||
| let items = data.items; | ||
|
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| this._fileItems = null; | ||
|
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| // Only store filePath if items contains data. | ||
| if (data.items && data.items.length > 0 && data.items[0]) | ||
| this._fileItems = data.items; | ||
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| this._promptActive = false; | ||
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| if (this._callback) { | ||
| this._callback.done(this._fileItems && accepted ? Ci.nsIFilePicker.returnOK : Ci.nsIFilePicker.returnCancel); | ||
| Services.embedlite.removeMessageListener("filepickerresponse", this); | ||
| } | ||
| delete this._callback; | ||
| }, | ||
|
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| getEnumerator: function(files, mapFunction) { | ||
| return { | ||
| QueryInterface: XPCOMUtils.generateQI([Ci.nsISimpleEnumerator]), | ||
| mFiles: files, | ||
| mIndex: 0, | ||
| hasMoreElements: function() { | ||
| return (this.mIndex < this.mFiles.length); | ||
| }, | ||
| getNext: function() { | ||
| if (this.mIndex >= this.mFiles.length) { | ||
| throw Components.results.NS_ERROR_FAILURE; | ||
| } | ||
| return mapFunction(new FileUtils.File(this.mFiles[this.mIndex++])); | ||
| } | ||
| }; | ||
| }, | ||
|
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| fireDialogEvent: function(aDomWin, aEventName) { | ||
| // accessing the document object can throw if this window no longer exists. See bug 789888. | ||
| try { | ||
| if (!aDomWin.document) | ||
| return; | ||
| let event = aDomWin.document.createEvent("Events"); | ||
| event.initEvent(aEventName, true, true); | ||
| let winUtils = aDomWin.QueryInterface(Ci.nsIInterfaceRequestor) | ||
| .getInterface(Ci.nsIDOMWindowUtils); | ||
| winUtils.dispatchEventToChromeOnly(aDomWin, event); | ||
| } catch(ex) { | ||
| } | ||
| }, | ||
|
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| classID: Components.ID("{18a4e042-7c7c-424b-a583-354e68553a7f}"), | ||
| QueryInterface: XPCOMUtils.generateQI([Ci.nsIFilePicker, Ci.nsIEmbedMessageListener]) | ||
| }; | ||
|
|
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| this.NSGetFactory = XPCOMUtils.generateNSGetFactory([FilePicker]); |
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