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Diffstat (limited to 'tools/addon-sdk-1.5/packages/addon-kit/lib/clipboard.js')
-rw-r--r-- | tools/addon-sdk-1.5/packages/addon-kit/lib/clipboard.js | 230 |
1 files changed, 0 insertions, 230 deletions
diff --git a/tools/addon-sdk-1.5/packages/addon-kit/lib/clipboard.js b/tools/addon-sdk-1.5/packages/addon-kit/lib/clipboard.js deleted file mode 100644 index 2feab22..0000000 --- a/tools/addon-sdk-1.5/packages/addon-kit/lib/clipboard.js +++ /dev/null @@ -1,230 +0,0 @@ -/* -*- Mode: Java; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */ -/* vim:set ts=2 sw=2 sts=2 et: */ -/* 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"; - -const {Cc,Ci} = require("chrome"); -const errors = require("api-utils/errors"); -const apiUtils = require("api-utils/api-utils"); - -/* -While these data flavors resemble Internet media types, they do -no directly map to them. -*/ -const kAllowableFlavors = [ - "text/unicode", - "text/html" - /* CURRENTLY UNSUPPORTED FLAVORS - "text/plain", - "image/png", - "image/jpg", - "image/gif" - "text/x-moz-text-internal", - "AOLMAIL", - "application/x-moz-file", - "text/x-moz-url", - "text/x-moz-url-data", - "text/x-moz-url-desc", - "text/x-moz-url-priv", - "application/x-moz-nativeimage", - "application/x-moz-nativehtml", - "application/x-moz-file-promise-url", - "application/x-moz-file-promise-dest-filename", - "application/x-moz-file-promise", - "application/x-moz-file-promise-dir" - */ -]; - -/* -Aliases for common flavors. Not all flavors will -get an alias. New aliases must be approved by a -Jetpack API druid. -*/ -const kFlavorMap = [ - { short: "text", long: "text/unicode" }, - { short: "html", long: "text/html" } - // Images are currently unsupported. - //{ short: "image", long: "image/png" }, -]; - -let clipboardService = Cc["@mozilla.org/widget/clipboard;1"]. - getService(Ci.nsIClipboard); - -let clipboardHelper = Cc["@mozilla.org/widget/clipboardhelper;1"]. - getService(Ci.nsIClipboardHelper); - - -exports.set = function(aData, aDataType) { - let options = { - data: aData, - datatype: aDataType || "text" - }; - options = apiUtils.validateOptions(options, { - data: { - is: ["string"] - }, - datatype: { - is: ["string"] - } - }); - - var flavor = fromJetpackFlavor(options.datatype); - - if (!flavor) - throw new Error("Invalid flavor"); - - // Additional checks for using the simple case - if (flavor == "text/unicode") { - clipboardHelper.copyString(options.data); - return true; - } - - // Below are the more complex cases where we actually have to work with a - // nsITransferable object - var xferable = Cc["@mozilla.org/widget/transferable;1"]. - createInstance(Ci.nsITransferable); - if (!xferable) - throw new Error("Couldn't set the clipboard due to an internal error " + - "(couldn't create a Transferable object)."); - - switch (flavor) { - case "text/html": - // add text/html flavor - let (str = Cc["@mozilla.org/supports-string;1"]. - createInstance(Ci.nsISupportsString)) - { - str.data = options.data; - xferable.addDataFlavor(flavor); - xferable.setTransferData(flavor, str, str.data.length * 2); - } - - // add a text/unicode flavor (html converted to plain text) - let (str = Cc["@mozilla.org/supports-string;1"]. - createInstance(Ci.nsISupportsString), - converter = Cc["@mozilla.org/feed-textconstruct;1"]. - createInstance(Ci.nsIFeedTextConstruct)) - { - converter.type = "html"; - converter.text = options.data; - str.data = converter.plainText(); - xferable.addDataFlavor("text/unicode"); - xferable.setTransferData("text/unicode", str, str.data.length * 2); - } - break; - // TODO: images! - default: - throw new Error("Unable to handle the flavor " + flavor + "."); - } - - // TODO: Not sure if this will ever actually throw. -zpao - try { - clipboardService.setData( - xferable, - null, - clipboardService.kGlobalClipboard - ); - } catch (e) { - throw new Error("Couldn't set clipboard data due to an internal error: " + e); - } - return true; -}; - - -exports.get = function(aDataType) { - let options = { - datatype: aDataType || "text" - }; - options = apiUtils.validateOptions(options, { - datatype: { - is: ["string"] - } - }); - - var xferable = Cc["@mozilla.org/widget/transferable;1"]. - createInstance(Ci.nsITransferable); - if (!xferable) - throw new Error("Couldn't set the clipboard due to an internal error " + - "(couldn't create a Transferable object)."); - - var flavor = fromJetpackFlavor(options.datatype); - - // Ensure that the user hasn't requested a flavor that we don't support. - if (!flavor) - throw new Error("Getting the clipboard with the flavor '" + flavor + - "' is > not supported."); - - // TODO: Check for matching flavor first? Probably not worth it. - - xferable.addDataFlavor(flavor); - - // Get the data into our transferable. - clipboardService.getData( - xferable, - clipboardService.kGlobalClipboard - ); - - var data = {}; - var dataLen = {}; - try { - xferable.getTransferData(flavor, data, dataLen); - } catch (e) { - // Clipboard doesn't contain data in flavor, return null. - return null; - } - - // There's no data available, return. - if (data.value === null) - return null; - - // TODO: Add flavors here as we support more in kAllowableFlavors. - switch (flavor) { - case "text/unicode": - case "text/html": - data = data.value.QueryInterface(Ci.nsISupportsString).data; - break; - default: - data = null; - } - - return data; -}; - -exports.__defineGetter__("currentFlavors", function() { - // Loop over kAllowableFlavors, calling hasDataMatchingFlavors for each. - // This doesn't seem like the most efficient way, but we can't get - // confirmation for specific flavors any other way. This is supposed to be - // an inexpensive call, so performance shouldn't be impacted (much). - var currentFlavors = []; - for each (var flavor in kAllowableFlavors) { - var matches = clipboardService.hasDataMatchingFlavors( - [flavor], - 1, - clipboardService.kGlobalClipboard - ); - if (matches) - currentFlavors.push(toJetpackFlavor(flavor)); - } - return currentFlavors; -}); - -// SUPPORT FUNCTIONS //////////////////////////////////////////////////////// - -function toJetpackFlavor(aFlavor) { - for each (let flavorMap in kFlavorMap) - if (flavorMap.long == aFlavor) - return flavorMap.short; - // Return null in the case where we don't match - return null; -} - -function fromJetpackFlavor(aJetpackFlavor) { - // TODO: Handle proper flavors better - for each (let flavorMap in kFlavorMap) - if (flavorMap.short == aJetpackFlavor || flavorMap.long == aJetpackFlavor) - return flavorMap.long; - // Return null in the case where we don't match. - return null; -} |