зеркало из https://github.com/mozilla/gecko-dev.git
Bug 224977: finish moving nsTransferable to nsDragAndDrop.js, remove nsTransferable.js, r=neil,mano,mscott
This commit is contained in:
Родитель
3261a68373
Коммит
3171ef77f1
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@ -61,8 +61,6 @@
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src="chrome://global/content/customizeToolbar.js"/>
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<script type="application/x-javascript"
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src="chrome://global/content/nsDragAndDrop.js"/>
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<script type="application/x-javascript"
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src="chrome://global/content/nsTransferable.js"/>
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<script type="application/x-javascript"
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src="chrome://browser/content/customizeToolbarSheet.js"/>
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@ -46,7 +46,6 @@
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xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#"
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xmlns="http://www.mozilla.org/keymaster/gatekeeper/there.is.only.xul"
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onload="load()" onunload="unload()">
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<script type="application/x-javascript" src="chrome://global/content/nsTransferable.js"/>
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<script type="application/x-javascript" src="chrome://global/content/nsDragAndDrop.js"/>
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<script type="application/x-javascript" src="chrome://global/content/globalOverlay.js"/>
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<script type="application/x-javascript" src="chrome://browser/content/utilityOverlay.js"/>
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@ -59,7 +59,6 @@
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<script type="application/x-javascript" src="chrome://global/content/globalOverlay.js"/>
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<script type="application/x-javascript" src="chrome://global/content/nsDragAndDrop.js"/>
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<script type="application/x-javascript" src="chrome://global/content/nsTransferable.js"/>
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<script type="application/x-javascript" src="chrome://browser/content/utilityOverlay.js"/>
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<script type="application/x-javascript" src="chrome://browser/content/bookmarks/bookmarks.js"/>
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<script type="application/x-javascript" src="chrome://browser/content/bookmarks/bookmarksManager.js"/>
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@ -49,7 +49,6 @@
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<script type="application/x-javascript" src="chrome://global/content/globalOverlay.js"/>
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<script type="application/x-javascript" src="chrome://global/content/nsDragAndDrop.js"/>
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<script type="application/x-javascript" src="chrome://global/content/nsTransferable.js"/>
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<script type="application/x-javascript" src="chrome://browser/content/utilityOverlay.js"/>
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<script type="application/x-javascript" src="chrome://global/content/contentAreaUtils.js"/>
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<script type="application/x-javascript" src="chrome://browser/content/bookmarks/bookmarks.js"/>
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@ -47,7 +47,6 @@
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elementtofocus="historyTree">
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<script type="application/x-javascript" src="chrome://global/content/nsDragAndDrop.js"/>
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<script type="application/x-javascript" src="chrome://global/content/nsTransferable.js"/>
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<script type="application/x-javascript" src="chrome://global/content/nsTreeController.js"/>
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<script type="application/x-javascript" src="chrome://global/content/nsTreeSorting.js"/>
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<script type="application/x-javascript" src="chrome://global/content/globalOverlay.js"/>
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@ -72,7 +72,6 @@
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<script type="application/x-javascript" src="chrome://editor/content/editor.js"/>
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<script type="application/x-javascript" src="chrome://editor/content/ComposerCommands.js"/>
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<script type="application/x-javascript" src="chrome://editor/content/EditorCommandsDebug.js"/>
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<script type="application/x-javascript" src="chrome://global/content/nsTransferable.js"/>
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<script type="application/x-javascript" src="chrome://global/content/nsDragAndDrop.js"/>
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<script type="application/x-javascript" src="chrome://communicator/content/contentAreaDD.js"/>
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<!--
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@ -87,7 +87,6 @@
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<script type="application/x-javascript" src="chrome://communicator/content/contentAreaDD.js"/>
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<script type="application/x-javascript" src="chrome://communicator/content/contentAreaClick.js"/>
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<script type="application/x-javascript" src="chrome://communicator/content/printing.js"/>
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<script type="application/x-javascript" src="chrome://global/content/nsTransferable.js"/>
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<script type="application/x-javascript" src="chrome://global/content/nsDragAndDrop.js"/>
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<popupset id="editorContentContextSet"/>
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@ -68,7 +68,6 @@
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<script type="application/x-javascript" src="chrome://global/content/customizeToolbar.js"/>
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<script type="application/x-javascript" src="chrome://global/content/nsDragAndDrop.js"/>
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<script type="application/x-javascript" src="chrome://global/content/nsTransferable.js"/>
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<stringbundle id="stringBundle" src="chrome://global/locale/customizeToolbar.properties"/>
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@ -82,7 +82,6 @@
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<script type="application/x-javascript" src="chrome://messenger/content/mailContextMenus.js"/>
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<script type="application/x-javascript" src="chrome://messenger/content/phishingDetector.js"/>
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<script type="application/x-javascript" src="chrome://communicator/content/contentAreaClick.js"/>
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<script type="application/x-javascript" src="chrome://global/content/nsTransferable.js"/>
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<script type="application/x-javascript" src="chrome://global/content/nsDragAndDrop.js"/>
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<script type="application/x-javascript" src="chrome://messenger/content/msgViewNavigation.js"/>
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<script type="application/x-javascript" src="chrome://global/content/XPCNativeWrapper.js"/>
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@ -85,7 +85,6 @@
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<script type="application/x-javascript" src="chrome://messenger/content/searchBar.js"/>
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<script type="application/x-javascript" src="chrome://messenger/content/phishingDetector.js"/>
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<script type="application/x-javascript" src="chrome://communicator/content/contentAreaClick.js"/>
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<script type="application/x-javascript" src="chrome://global/content/nsTransferable.js"/>
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<script type="application/x-javascript" src="chrome://global/content/nsDragAndDrop.js"/>
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<script type="application/x-javascript" src="chrome://global/content/XPCNativeWrapper.js"/>
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@ -49,7 +49,6 @@
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<!-- drag and drop -->
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<script type="application/x-javascript" src="chrome://global/content/nsDragAndDrop.js"/>
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<script type="application/x-javascript" src="chrome://global/content/nsTransferable.js"/>
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<stringbundleset id="stringbundleset">
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<stringbundle id="bundle_messenger" src="chrome://messenger/locale/messenger.properties"/>
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@ -78,7 +78,6 @@
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<!-- move needed functions into a single js file -->
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<script type="application/x-javascript" src="chrome://communicator/content/utilityOverlay.js"/>
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<script type="application/x-javascript" src="chrome://global/content/nsTransferable.js"/>
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<script type="application/x-javascript" src="chrome://global/content/nsDragAndDrop.js"/>
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<script type="application/x-javascript" src="chrome://messenger/content/addressbook/abDragDrop.js"/>
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<script type="application/x-javascript" src="chrome://global/content/globalOverlay.js"/>
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@ -81,7 +81,6 @@
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<!-- drag and drop -->
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<script type="application/x-javascript" src="chrome://messenger/content/addressbook/abDragDrop.js"/>
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<script type="application/x-javascript" src="chrome://global/content/nsDragAndDrop.js"/>
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<script type="application/x-javascript" src="chrome://global/content/nsTransferable.js"/>
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<!-- move needed functions into a single js file -->
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<script type="application/x-javascript" src="chrome://messenger/content/messengercompose/addressingWidgetOverlay.js"/>
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@ -64,7 +64,6 @@
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<script type="application/x-javascript" src="FeedItem.js"/>
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<script type="application/x-javascript" src="feed-parser.js"/>
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<script type="application/x-javascript" src="chrome://global/content/nsDragAndDrop.js"/>
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<script type="application/x-javascript" src="chrome://global/content/nsTransferable.js"/>
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<keyset id="extensionsKeys">
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<key id="key_close" key="&cmd.close.commandKey;" modifiers="accel" oncommand="window.close();"/>
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@ -44,7 +44,6 @@
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<overlay xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#"
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xmlns="http://www.mozilla.org/keymaster/gatekeeper/there.is.only.xul">
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<script type="application/x-javascript" src="chrome://global/content/nsTransferable.js"/>
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<script type="application/x-javascript" src="chrome://global/content/nsDragAndDrop.js"/>
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<script type="application/x-javascript" src="chrome://messenger/content/addressbook/abDragDrop.js"/>
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@ -45,7 +45,6 @@
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xmlns="http://www.mozilla.org/keymaster/gatekeeper/there.is.only.xul">
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<script type="application/x-javascript" src="chrome://messenger/content/addressbook/abResultsPane.js"/>
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<script type="application/x-javascript" src="chrome://global/content/nsTransferable.js"/>
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<script type="application/x-javascript" src="chrome://global/content/nsDragAndDrop.js"/>
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<script type="application/x-javascript" src="chrome://messenger/content/addressbook/abDragDrop.js"/>
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@ -84,7 +84,6 @@
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<script type="application/x-javascript" src="chrome://messenger/content/mail-offline.js"/>
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<script type="application/x-javascript" src="chrome://messenger/content/phishingDetector.js"/>
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<script type="application/x-javascript" src="chrome://communicator/content/contentAreaClick.js"/>
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<script type="application/x-javascript" src="chrome://global/content/nsTransferable.js"/>
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<script type="application/x-javascript" src="chrome://global/content/nsDragAndDrop.js"/>
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<script type="application/x-javascript" src="chrome://messenger/content/searchBar.js"/>
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@ -77,7 +77,6 @@
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<script type="application/x-javascript" src="chrome://messenger/content/mailContextMenus.js"/>
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<script type="application/x-javascript" src="chrome://messenger/content/phishingDetector.js"/>
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<script type="application/x-javascript" src="chrome://communicator/content/contentAreaClick.js"/>
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<script type="application/x-javascript" src="chrome://global/content/nsTransferable.js"/>
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<script type="application/x-javascript" src="chrome://global/content/nsDragAndDrop.js"/>
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<script type="application/x-javascript" src="chrome://messenger/content/msgViewNavigation.js"/>
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@ -84,7 +84,6 @@
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<script type="application/x-javascript" src="chrome://messenger/content/mail-offline.js"/>
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<script type="application/x-javascript" src="chrome://messenger/content/phishingDetector.js"/>
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<script type="application/x-javascript" src="chrome://communicator/content/contentAreaClick.js"/>
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<script type="application/x-javascript" src="chrome://global/content/nsTransferable.js"/>
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<script type="application/x-javascript" src="chrome://global/content/nsDragAndDrop.js"/>
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<script type="application/x-javascript" src="chrome://messenger/content/searchBar.js"/>
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@ -54,7 +54,6 @@
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<!-- drag and drop -->
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<script type="application/x-javascript" src="chrome://global/content/nsDragAndDrop.js"/>
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<script type="application/x-javascript" src="chrome://global/content/nsTransferable.js"/>
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<stringbundleset id="stringbundleset">
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<stringbundle id="bundle_messenger" src="chrome://messenger/locale/messenger.properties"/>
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@ -99,7 +99,6 @@
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<!-- drag and drop -->
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<script type="application/x-javascript" src="chrome://global/content/nsDragAndDrop.js"/>
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<script type="application/x-javascript" src="chrome://global/content/nsTransferable.js"/>
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<commandset id="composeCommands">
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<commandset id="msgComposeCommandUpdate"
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@ -74,7 +74,6 @@
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<!-- Generic Utility -->
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<script type="application/x-javascript" src="chrome://global/content/nsUserSettings.js"/>
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<script type="application/x-javascript" src="chrome://global/content/nsTransferable.js"/>
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<script type="application/x-javascript" src="chrome://global/content/nsClipboard.js"/>
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<script type="application/x-javascript" src="chrome://global/content/nsDragAndDrop.js"/>
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<script type="application/x-javascript" src="chrome://global/content/strres.js"/>
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@ -54,7 +54,6 @@
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<overlay id="viewSourceOverlay"
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xmlns="http://www.mozilla.org/keymaster/gatekeeper/there.is.only.xul">
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<script type="application/x-javascript" src="chrome://global/content/nsTransferable.js"/>
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<script type="application/x-javascript" src="chrome://global/content/nsDragAndDrop.js"/>
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<script type="application/x-javascript" src="chrome://communicator/content/contentAreaDD.js"/>
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<script type="application/x-javascript" src="chrome://communicator/content/printing.js"/>
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@ -56,7 +56,6 @@
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xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#">
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<script type="application/x-javascript" src="chrome://global/content/nsDragAndDrop.js"/>
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<script type="application/x-javascript" src="chrome://global/content/nsTransferable.js"/>
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<script type="application/x-javascript" src="chrome://global/content/nsTreeController.js"/>
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<script type="application/x-javascript" src="chrome://global/content/nsTreeSorting.js"/>
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<script type="application/x-javascript" src="chrome://global/content/globalOverlay.js"/>
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@ -50,7 +50,6 @@
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<script type="application/x-javascript" src="chrome://global/content/nsUserSettings.js"/>
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<script type="application/x-javascript" src="chrome://global/content/nsDragAndDrop.js"/>
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<script type="application/x-javascript" src="chrome://global/content/nsTransferable.js"/>
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<script type="application/x-javascript" src="chrome://global/content/strres.js"/>
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<script type="application/x-javascript" src="chrome://communicator/content/search/search-panel.js"/>
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<script type="application/x-javascript" src="chrome://communicator/content/search/shared.js"/>
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@ -56,7 +56,6 @@
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<script type="application/x-javascript" src="chrome://global/content/customizeToolbar.js"/>
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<script type="application/x-javascript" src="chrome://global/content/nsDragAndDrop.js"/>
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<script type="application/x-javascript" src="chrome://global/content/nsTransferable.js"/>
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<stringbundle id="stringBundle" src="chrome://global/locale/customizeToolbar.properties"/>
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@ -60,7 +60,6 @@
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<script type="application/x-javascript" src="chrome://global/content/customizeToolbar.js"/>
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<script type="application/x-javascript" src="chrome://global/content/nsDragAndDrop.js"/>
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<script type="application/x-javascript" src="chrome://global/content/nsTransferable.js"/>
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<stringbundle id="stringBundle" src="chrome://global/locale/customizeToolbar.properties"/>
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@ -2,6 +2,9 @@ toolkit.jar:
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% content global %content/global/ xpcnativewrappers=yes
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% content global-platform %content/global-platform/ platform xpcnativewrappers=yes
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% content global-region %content/global-region/ xpcnativewrappers=yes
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# provide the nsTransferable in nsDragAndDrop.js to extensions that have to
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# work with Geckos from before 1.9, when there was a separate file
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% override chrome://global/content/nsTransferable.js chrome://global/content/nsDragAndDrop.js
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+ content/global/license.html (license.html)
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content/global/XPCNativeWrapper.js (XPCNativeWrapper.js)
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* content/global/xul.css (xul.css)
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@ -29,7 +32,6 @@ toolkit.jar:
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*+ content/global/inlineSpellCheckUI.js (inlineSpellCheckUI.js)
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+ content/global/mozilla.xhtml (mozilla.xhtml)
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*+ content/global/nsDragAndDrop.js (nsDragAndDrop.js)
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+ content/global/nsTransferable.js (nsTransferable.js)
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*+ content/global/nsWidgetStateManager.js (nsWidgetStateManager.js)
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+ content/global/selectDialog.js (selectDialog.js)
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+ content/global/selectDialog.xul (selectDialog.xul)
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@ -73,7 +73,9 @@ var nsTransferable = {
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}
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else
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{
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// non-string data. TBD!
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// non-string data.
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supports = currData.supports;
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length = 0; // kFlavorHasDataProvider
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}
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trans.setTransferData(currFlavour, supports, length * 2);
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}
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|
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@ -1,326 +0,0 @@
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|||
/* -*- Mode: Java; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
|
||||
/* ***** BEGIN LICENSE BLOCK *****
|
||||
* Version: MPL 1.1/GPL 2.0/LGPL 2.1
|
||||
*
|
||||
* The contents of this file are subject to the Mozilla Public License Version
|
||||
* 1.1 (the "License"); you may not use this file except in compliance with
|
||||
* the License. You may obtain a copy of the License at
|
||||
* http://www.mozilla.org/MPL/
|
||||
*
|
||||
* Software distributed under the License is distributed on an "AS IS" basis,
|
||||
* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
|
||||
* for the specific language governing rights and limitations under the
|
||||
* License.
|
||||
*
|
||||
* The Original Code is mozilla.org code.
|
||||
*
|
||||
* The Initial Developer of the Original Code is
|
||||
* Netscape Communications Corporation.
|
||||
* Portions created by the Initial Developer are Copyright (C) 1998
|
||||
* the Initial Developer. All Rights Reserved.
|
||||
*
|
||||
* Contributor(s):
|
||||
* Ben Goodger <ben@netscape.com> (Original Author)
|
||||
*
|
||||
* Alternatively, the contents of this file may be used under the terms of
|
||||
* either the GNU General Public License Version 2 or later (the "GPL"), or
|
||||
* the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
|
||||
* in which case the provisions of the GPL or the LGPL are applicable instead
|
||||
* of those above. If you wish to allow use of your version of this file only
|
||||
* under the terms of either the GPL or the LGPL, and not to allow others to
|
||||
* use your version of this file under the terms of the MPL, indicate your
|
||||
* decision by deleting the provisions above and replace them with the notice
|
||||
* and other provisions required by the GPL or the LGPL. If you do not delete
|
||||
* the provisions above, a recipient may use your version of this file under
|
||||
* the terms of any one of the MPL, the GPL or the LGPL.
|
||||
*
|
||||
* ***** END LICENSE BLOCK ***** */
|
||||
|
||||
////////////////////////////////////////////////////////////////////////////
|
||||
// XXX - WARNING - DRAG AND DROP API CHANGE ALERT - XXX
|
||||
// This file has been extensively modified in a checkin planned for Mozilla
|
||||
// 0.8, and the API has been modified. DO NOT MODIFY THIS FILE without
|
||||
// approval from ben@netscape.com, otherwise your changes will be lost.
|
||||
|
||||
/**
|
||||
* nsTransferable - a wrapper for nsITransferable that simplifies
|
||||
* javascript clipboard and drag&drop. for use in
|
||||
* these situations you should use the nsClipboard
|
||||
* and nsDragAndDrop wrappers for more convenience
|
||||
**/
|
||||
|
||||
var nsTransferable = {
|
||||
/**
|
||||
* nsITransferable set (TransferData aTransferData) ;
|
||||
*
|
||||
* Creates a transferable with data for a list of supported types ("flavours")
|
||||
*
|
||||
* @param TransferData aTransferData
|
||||
* a javascript object in the format described above
|
||||
**/
|
||||
set: function (aTransferDataSet)
|
||||
{
|
||||
var trans = this.createTransferable();
|
||||
for (var i = 0; i < aTransferDataSet.dataList.length; ++i)
|
||||
{
|
||||
var currData = aTransferDataSet.dataList[i];
|
||||
var currFlavour = currData.flavour.contentType;
|
||||
trans.addDataFlavor(currFlavour);
|
||||
var supports = null; // nsISupports data
|
||||
var length = 0;
|
||||
if (currData.flavour.dataIIDKey == "nsISupportsString")
|
||||
{
|
||||
supports = Components.classes["@mozilla.org/supports-string;1"]
|
||||
.createInstance(Components.interfaces.nsISupportsString);
|
||||
|
||||
supports.data = currData.supports;
|
||||
length = supports.data.length;
|
||||
}
|
||||
else
|
||||
{
|
||||
// non-string data.
|
||||
supports = currData.supports;
|
||||
length = 0; // kFlavorHasDataProvider
|
||||
}
|
||||
trans.setTransferData(currFlavour, supports, length * 2);
|
||||
}
|
||||
return trans;
|
||||
},
|
||||
|
||||
/**
|
||||
* TransferData/TransferDataSet get (FlavourSet aFlavourSet,
|
||||
* Function aRetrievalFunc, Boolean aAnyFlag) ;
|
||||
*
|
||||
* Retrieves data from the transferable provided in aRetrievalFunc, formatted
|
||||
* for more convenient access.
|
||||
*
|
||||
* @param FlavourSet aFlavourSet
|
||||
* a FlavourSet object that contains a list of supported flavours.
|
||||
* @param Function aRetrievalFunc
|
||||
* a reference to a function that returns a nsISupportsArray of nsITransferables
|
||||
* for each item from the specified source (clipboard/drag&drop etc)
|
||||
* @param Boolean aAnyFlag
|
||||
* a flag specifying whether or not a specific flavour is requested. If false,
|
||||
* data of the type of the first flavour in the flavourlist parameter is returned,
|
||||
* otherwise the best flavour supported will be returned.
|
||||
**/
|
||||
get: function (aFlavourSet, aRetrievalFunc, aAnyFlag)
|
||||
{
|
||||
if (!aRetrievalFunc)
|
||||
throw "No data retrieval handler provided!";
|
||||
|
||||
var supportsArray = aRetrievalFunc(aFlavourSet);
|
||||
var dataArray = [];
|
||||
var count = supportsArray.Count();
|
||||
|
||||
// Iterate over the number of items returned from aRetrievalFunc. For
|
||||
// clipboard operations, this is 1, for drag and drop (where multiple
|
||||
// items may have been dragged) this could be >1.
|
||||
for (var i = 0; i < count; i++)
|
||||
{
|
||||
var trans = supportsArray.GetElementAt(i);
|
||||
if (!trans) continue;
|
||||
trans = trans.QueryInterface(Components.interfaces.nsITransferable);
|
||||
|
||||
var data = { };
|
||||
var length = { };
|
||||
|
||||
var currData = null;
|
||||
if (aAnyFlag)
|
||||
{
|
||||
var flavour = { };
|
||||
trans.getAnyTransferData(flavour, data, length);
|
||||
if (data && flavour)
|
||||
{
|
||||
var selectedFlavour = aFlavourSet.flavourTable[flavour.value];
|
||||
if (selectedFlavour)
|
||||
dataArray[i] = FlavourToXfer(data.value, length.value, selectedFlavour);
|
||||
}
|
||||
}
|
||||
else
|
||||
{
|
||||
var firstFlavour = aFlavourSet.flavours[0];
|
||||
trans.getTransferData(firstFlavour, data, length);
|
||||
if (data && firstFlavour)
|
||||
dataArray[i] = FlavourToXfer(data.value, length.value, firstFlavour);
|
||||
}
|
||||
}
|
||||
return new TransferDataSet(dataArray);
|
||||
},
|
||||
|
||||
/**
|
||||
* nsITransferable createTransferable (void) ;
|
||||
*
|
||||
* Creates and returns a transferable object.
|
||||
**/
|
||||
createTransferable: function ()
|
||||
{
|
||||
const kXferableContractID = "@mozilla.org/widget/transferable;1";
|
||||
const kXferableIID = Components.interfaces.nsITransferable;
|
||||
return Components.classes[kXferableContractID].createInstance(kXferableIID);
|
||||
}
|
||||
};
|
||||
|
||||
/**
|
||||
* A FlavourSet is a simple type that represents a collection of Flavour objects.
|
||||
* FlavourSet is constructed from an array of Flavours, and stores this list as
|
||||
* an array and a hashtable. The rationale for the dual storage is as follows:
|
||||
*
|
||||
* Array: Ordering is important when adding data flavours to a transferable.
|
||||
* Flavours added first are deemed to be 'preferred' by the client.
|
||||
* Hash: Convenient lookup of flavour data using the content type (MIME type)
|
||||
* of data as a key.
|
||||
*/
|
||||
function FlavourSet(aFlavourList)
|
||||
{
|
||||
this.flavours = aFlavourList || [];
|
||||
this.flavourTable = { };
|
||||
|
||||
this._XferID = "FlavourSet";
|
||||
|
||||
for (var i = 0; i < this.flavours.length; ++i)
|
||||
this.flavourTable[this.flavours[i].contentType] = this.flavours[i];
|
||||
}
|
||||
|
||||
FlavourSet.prototype = {
|
||||
appendFlavour: function (aFlavour, aFlavourIIDKey)
|
||||
{
|
||||
var flavour = new Flavour (aFlavour, aFlavourIIDKey);
|
||||
this.flavours.push(flavour);
|
||||
this.flavourTable[flavour.contentType] = flavour;
|
||||
}
|
||||
};
|
||||
|
||||
/**
|
||||
* A Flavour is a simple type that represents a data type that can be handled.
|
||||
* It takes a content type (MIME type) which is used when storing data on the
|
||||
* system clipboard/drag and drop, and an IIDKey (string interface name
|
||||
* which is used to QI data to an appropriate form. The default interface is
|
||||
* assumed to be wide-string.
|
||||
*/
|
||||
function Flavour(aContentType, aDataIIDKey)
|
||||
{
|
||||
this.contentType = aContentType;
|
||||
this.dataIIDKey = aDataIIDKey || "nsISupportsString";
|
||||
|
||||
this._XferID = "Flavour";
|
||||
}
|
||||
|
||||
function TransferDataBase() {}
|
||||
TransferDataBase.prototype = {
|
||||
push: function (aItems)
|
||||
{
|
||||
this.dataList.push(aItems);
|
||||
},
|
||||
|
||||
get first ()
|
||||
{
|
||||
return "dataList" in this && this.dataList.length ? this.dataList[0] : null;
|
||||
}
|
||||
};
|
||||
|
||||
/**
|
||||
* TransferDataSet is a list (array) of TransferData objects, which represents
|
||||
* data dragged from one or more elements.
|
||||
*/
|
||||
function TransferDataSet(aTransferDataList)
|
||||
{
|
||||
this.dataList = aTransferDataList || [];
|
||||
|
||||
this._XferID = "TransferDataSet";
|
||||
}
|
||||
TransferDataSet.prototype = TransferDataBase.prototype;
|
||||
|
||||
/**
|
||||
* TransferData is a list (array) of FlavourData for all the applicable content
|
||||
* types associated with a drag from a single item.
|
||||
*/
|
||||
function TransferData(aFlavourDataList)
|
||||
{
|
||||
this.dataList = aFlavourDataList || [];
|
||||
|
||||
this._XferID = "TransferData";
|
||||
}
|
||||
TransferData.prototype = {
|
||||
__proto__: TransferDataBase.prototype,
|
||||
|
||||
addDataForFlavour: function (aFlavourString, aData, aLength, aDataIIDKey)
|
||||
{
|
||||
this.dataList.push(new FlavourData(aData, aLength,
|
||||
new Flavour(aFlavourString, aDataIIDKey)));
|
||||
}
|
||||
};
|
||||
|
||||
/**
|
||||
* FlavourData is a type that represents data retrieved from the system
|
||||
* clipboard or drag and drop. It is constructed internally by the Transferable
|
||||
* using the raw (nsISupports) data from the clipboard, the length of the data,
|
||||
* and an object of type Flavour representing the type. Clients implementing
|
||||
* IDragDropObserver receive an object of this type in their implementation of
|
||||
* onDrop. They access the 'data' property to retrieve data, which is either data
|
||||
* QI'ed to a usable form, or unicode string.
|
||||
*/
|
||||
function FlavourData(aData, aLength, aFlavour)
|
||||
{
|
||||
this.supports = aData;
|
||||
this.contentLength = aLength;
|
||||
this.flavour = aFlavour || null;
|
||||
|
||||
this._XferID = "FlavourData";
|
||||
}
|
||||
|
||||
FlavourData.prototype = {
|
||||
get data ()
|
||||
{
|
||||
if (this.flavour &&
|
||||
this.flavour.dataIIDKey != "nsISupportsString" )
|
||||
return this.supports.QueryInterface(Components.interfaces[this.flavour.dataIIDKey]);
|
||||
else {
|
||||
var unicode = this.supports.QueryInterface(Components.interfaces.nsISupportsString);
|
||||
if (unicode)
|
||||
return unicode.data.substring(0, this.contentLength/2);
|
||||
|
||||
return this.supports;
|
||||
}
|
||||
return "";
|
||||
}
|
||||
}
|
||||
|
||||
/**
|
||||
* Create a TransferData object with a single FlavourData entry. Used when
|
||||
* unwrapping data of a specific flavour from the drag service.
|
||||
*/
|
||||
function FlavourToXfer(aData, aLength, aFlavour)
|
||||
{
|
||||
return new TransferData([new FlavourData(aData, aLength, aFlavour)]);
|
||||
}
|
||||
|
||||
var transferUtils = {
|
||||
|
||||
retrieveURLFromData: function (aData, flavour)
|
||||
{
|
||||
switch (flavour) {
|
||||
case "text/unicode":
|
||||
return aData;
|
||||
case "text/x-moz-url":
|
||||
return aData.toString().split("\n")[0];
|
||||
case "application/x-moz-file":
|
||||
var ioService = Components.classes["@mozilla.org/network/io-service;1"]
|
||||
.getService(Components.interfaces.nsIIOService);
|
||||
var fileHandler = ioService.getProtocolHandler("file")
|
||||
.QueryInterface(Components.interfaces.nsIFileProtocolHandler);
|
||||
return fileHandler.getURLSpecFromFile(aData);
|
||||
}
|
||||
return null;
|
||||
}
|
||||
|
||||
}
|
||||
|
||||
/*
|
||||
function DUMP_obj (aObj)
|
||||
{
|
||||
for (var i in aObj)
|
||||
dump("*** aObj[" + i + "] = " + aObj[i] + "\n");
|
||||
}
|
||||
*/
|
||||
|
|
@ -67,7 +67,6 @@
|
|||
<script type="application/x-javascript" src="chrome://mozapps/content/downloads/downloads.js"/>
|
||||
<script type="application/x-javascript" src="chrome://global/content/contentAreaUtils.js"/>
|
||||
<script type="application/x-javascript" src="chrome://global/content/nsDragAndDrop.js"/>
|
||||
<script type="application/x-javascript" src="chrome://global/content/nsTransferable.js"/>
|
||||
<script type="application/x-javascript" src="chrome://global/content/globalOverlay.js"/>
|
||||
|
||||
<stringbundleset id="downloadSet">
|
||||
|
|
|
@ -65,7 +65,6 @@
|
|||
<script type="application/x-javascript" src="chrome://global/content/contentAreaUtils.js"/>
|
||||
<script type="application/x-javascript" src="chrome://mozapps/content/extensions/extensions.js"/>
|
||||
<script type="application/x-javascript" src="chrome://global/content/nsDragAndDrop.js"/>
|
||||
<script type="application/x-javascript" src="chrome://global/content/nsTransferable.js"/>
|
||||
|
||||
<stringbundleset id="extensionsSet">
|
||||
<stringbundle id="brandStrings" src="chrome://branding/locale/brand.properties"/>
|
||||
|
|
|
@ -66,7 +66,6 @@
|
|||
|
||||
<!-- Bookmarks Panel Drag & Drop -->
|
||||
<script type="application/x-javascript" src="chrome://global/content/nsDragAndDrop.js"/>
|
||||
<script type="application/x-javascript" src="chrome://global/content/nsTransferable.js"/>
|
||||
|
||||
<!-- context menu, tooltips, etc -->
|
||||
<popupset id="bookmarksPopupset"/>
|
||||
|
|
|
@ -82,7 +82,6 @@
|
|||
|
||||
<!-- Bookmarks Window Drag & Drop -->
|
||||
<script type="application/x-javascript" src="chrome://global/content/nsDragAndDrop.js"/>
|
||||
<script type="application/x-javascript" src="chrome://global/content/nsTransferable.js"/>
|
||||
|
||||
<popupset id="bookmarksPopupset"/>
|
||||
|
||||
|
|
|
@ -22,7 +22,7 @@ toolkit.jar:
|
|||
content/global/nsTreeSorting.js (resources/content/nsTreeSorting.js)
|
||||
content/global/nsClipboard.js (resources/content/nsClipboard.js)
|
||||
content/global/nsDragAndDrop.js (resources/content/nsDragAndDrop.js)
|
||||
content/global/nsTransferable.js (resources/content/nsTransferable.js)
|
||||
content/global/nsTransferable.js (resources/content/nsDragAndDrop.js)
|
||||
content/global/nsUserSettings.js (resources/content/nsUserSettings.js)
|
||||
content/global/xul.css (resources/content/xul.css)
|
||||
* content/global/inlineSpellCheckUI.js (/toolkit/content/inlineSpellCheckUI.js)
|
||||
|
|
|
@ -37,19 +37,279 @@
|
|||
*
|
||||
* ***** END LICENSE BLOCK ***** */
|
||||
|
||||
////////////////////////////////////////////////////////////////////////////
|
||||
// XXX - WARNING - DRAG AND DROP API CHANGE ALERT - XXX
|
||||
// This file has been extensively modified in a checkin planned for Mozilla
|
||||
// 0.8, and the API has been modified. DO NOT MODIFY THIS FILE without
|
||||
// approval from ben@netscape.com, otherwise your changes will be lost.
|
||||
/**
|
||||
* nsTransferable - a wrapper for nsITransferable that simplifies
|
||||
* javascript clipboard and drag&drop. for use in
|
||||
* these situations you should use the nsClipboard
|
||||
* and nsDragAndDrop wrappers for more convenience
|
||||
**/
|
||||
|
||||
var nsTransferable = {
|
||||
/**
|
||||
* nsITransferable set (TransferData aTransferData) ;
|
||||
*
|
||||
* Creates a transferable with data for a list of supported types ("flavours")
|
||||
*
|
||||
* @param TransferData aTransferData
|
||||
* a javascript object in the format described above
|
||||
**/
|
||||
set: function (aTransferDataSet)
|
||||
{
|
||||
var trans = this.createTransferable();
|
||||
for (var i = 0; i < aTransferDataSet.dataList.length; ++i)
|
||||
{
|
||||
var currData = aTransferDataSet.dataList[i];
|
||||
var currFlavour = currData.flavour.contentType;
|
||||
trans.addDataFlavor(currFlavour);
|
||||
var supports = null; // nsISupports data
|
||||
var length = 0;
|
||||
if (currData.flavour.dataIIDKey == "nsISupportsString")
|
||||
{
|
||||
supports = Components.classes["@mozilla.org/supports-string;1"]
|
||||
.createInstance(Components.interfaces.nsISupportsString);
|
||||
|
||||
/**
|
||||
* XXX - until load is supported in chrome, you also need to include
|
||||
* these files:
|
||||
* chrome://global/content/nsTransferable.js
|
||||
**/
|
||||
supports.data = currData.supports;
|
||||
length = supports.data.length;
|
||||
}
|
||||
else
|
||||
{
|
||||
// non-string data.
|
||||
supports = currData.supports;
|
||||
length = 0; // kFlavorHasDataProvider
|
||||
}
|
||||
trans.setTransferData(currFlavour, supports, length * 2);
|
||||
}
|
||||
return trans;
|
||||
},
|
||||
|
||||
/**
|
||||
* TransferData/TransferDataSet get (FlavourSet aFlavourSet,
|
||||
* Function aRetrievalFunc, Boolean aAnyFlag) ;
|
||||
*
|
||||
* Retrieves data from the transferable provided in aRetrievalFunc, formatted
|
||||
* for more convenient access.
|
||||
*
|
||||
* @param FlavourSet aFlavourSet
|
||||
* a FlavourSet object that contains a list of supported flavours.
|
||||
* @param Function aRetrievalFunc
|
||||
* a reference to a function that returns a nsISupportsArray of nsITransferables
|
||||
* for each item from the specified source (clipboard/drag&drop etc)
|
||||
* @param Boolean aAnyFlag
|
||||
* a flag specifying whether or not a specific flavour is requested. If false,
|
||||
* data of the type of the first flavour in the flavourlist parameter is returned,
|
||||
* otherwise the best flavour supported will be returned.
|
||||
**/
|
||||
get: function (aFlavourSet, aRetrievalFunc, aAnyFlag)
|
||||
{
|
||||
if (!aRetrievalFunc)
|
||||
throw "No data retrieval handler provided!";
|
||||
|
||||
var supportsArray = aRetrievalFunc(aFlavourSet);
|
||||
var dataArray = [];
|
||||
var count = supportsArray.Count();
|
||||
|
||||
// Iterate over the number of items returned from aRetrievalFunc. For
|
||||
// clipboard operations, this is 1, for drag and drop (where multiple
|
||||
// items may have been dragged) this could be >1.
|
||||
for (var i = 0; i < count; i++)
|
||||
{
|
||||
var trans = supportsArray.GetElementAt(i);
|
||||
if (!trans) continue;
|
||||
trans = trans.QueryInterface(Components.interfaces.nsITransferable);
|
||||
|
||||
var data = { };
|
||||
var length = { };
|
||||
|
||||
var currData = null;
|
||||
if (aAnyFlag)
|
||||
{
|
||||
var flavour = { };
|
||||
trans.getAnyTransferData(flavour, data, length);
|
||||
if (data && flavour)
|
||||
{
|
||||
var selectedFlavour = aFlavourSet.flavourTable[flavour.value];
|
||||
if (selectedFlavour)
|
||||
dataArray[i] = FlavourToXfer(data.value, length.value, selectedFlavour);
|
||||
}
|
||||
}
|
||||
else
|
||||
{
|
||||
var firstFlavour = aFlavourSet.flavours[0];
|
||||
trans.getTransferData(firstFlavour, data, length);
|
||||
if (data && firstFlavour)
|
||||
dataArray[i] = FlavourToXfer(data.value, length.value, firstFlavour);
|
||||
}
|
||||
}
|
||||
return new TransferDataSet(dataArray);
|
||||
},
|
||||
|
||||
/**
|
||||
* nsITransferable createTransferable (void) ;
|
||||
*
|
||||
* Creates and returns a transferable object.
|
||||
**/
|
||||
createTransferable: function ()
|
||||
{
|
||||
const kXferableContractID = "@mozilla.org/widget/transferable;1";
|
||||
const kXferableIID = Components.interfaces.nsITransferable;
|
||||
return Components.classes[kXferableContractID].createInstance(kXferableIID);
|
||||
}
|
||||
};
|
||||
|
||||
/**
|
||||
* A FlavourSet is a simple type that represents a collection of Flavour objects.
|
||||
* FlavourSet is constructed from an array of Flavours, and stores this list as
|
||||
* an array and a hashtable. The rationale for the dual storage is as follows:
|
||||
*
|
||||
* Array: Ordering is important when adding data flavours to a transferable.
|
||||
* Flavours added first are deemed to be 'preferred' by the client.
|
||||
* Hash: Convenient lookup of flavour data using the content type (MIME type)
|
||||
* of data as a key.
|
||||
*/
|
||||
function FlavourSet(aFlavourList)
|
||||
{
|
||||
this.flavours = aFlavourList || [];
|
||||
this.flavourTable = { };
|
||||
|
||||
this._XferID = "FlavourSet";
|
||||
|
||||
for (var i = 0; i < this.flavours.length; ++i)
|
||||
this.flavourTable[this.flavours[i].contentType] = this.flavours[i];
|
||||
}
|
||||
|
||||
FlavourSet.prototype = {
|
||||
appendFlavour: function (aFlavour, aFlavourIIDKey)
|
||||
{
|
||||
var flavour = new Flavour (aFlavour, aFlavourIIDKey);
|
||||
this.flavours.push(flavour);
|
||||
this.flavourTable[flavour.contentType] = flavour;
|
||||
}
|
||||
};
|
||||
|
||||
/**
|
||||
* A Flavour is a simple type that represents a data type that can be handled.
|
||||
* It takes a content type (MIME type) which is used when storing data on the
|
||||
* system clipboard/drag and drop, and an IIDKey (string interface name
|
||||
* which is used to QI data to an appropriate form. The default interface is
|
||||
* assumed to be wide-string.
|
||||
*/
|
||||
function Flavour(aContentType, aDataIIDKey)
|
||||
{
|
||||
this.contentType = aContentType;
|
||||
this.dataIIDKey = aDataIIDKey || "nsISupportsString";
|
||||
|
||||
this._XferID = "Flavour";
|
||||
}
|
||||
|
||||
function TransferDataBase() {}
|
||||
TransferDataBase.prototype = {
|
||||
push: function (aItems)
|
||||
{
|
||||
this.dataList.push(aItems);
|
||||
},
|
||||
|
||||
get first ()
|
||||
{
|
||||
return "dataList" in this && this.dataList.length ? this.dataList[0] : null;
|
||||
}
|
||||
};
|
||||
|
||||
/**
|
||||
* TransferDataSet is a list (array) of TransferData objects, which represents
|
||||
* data dragged from one or more elements.
|
||||
*/
|
||||
function TransferDataSet(aTransferDataList)
|
||||
{
|
||||
this.dataList = aTransferDataList || [];
|
||||
|
||||
this._XferID = "TransferDataSet";
|
||||
}
|
||||
TransferDataSet.prototype = TransferDataBase.prototype;
|
||||
|
||||
/**
|
||||
* TransferData is a list (array) of FlavourData for all the applicable content
|
||||
* types associated with a drag from a single item.
|
||||
*/
|
||||
function TransferData(aFlavourDataList)
|
||||
{
|
||||
this.dataList = aFlavourDataList || [];
|
||||
|
||||
this._XferID = "TransferData";
|
||||
}
|
||||
TransferData.prototype = {
|
||||
__proto__: TransferDataBase.prototype,
|
||||
|
||||
addDataForFlavour: function (aFlavourString, aData, aLength, aDataIIDKey)
|
||||
{
|
||||
this.dataList.push(new FlavourData(aData, aLength,
|
||||
new Flavour(aFlavourString, aDataIIDKey)));
|
||||
}
|
||||
};
|
||||
|
||||
/**
|
||||
* FlavourData is a type that represents data retrieved from the system
|
||||
* clipboard or drag and drop. It is constructed internally by the Transferable
|
||||
* using the raw (nsISupports) data from the clipboard, the length of the data,
|
||||
* and an object of type Flavour representing the type. Clients implementing
|
||||
* IDragDropObserver receive an object of this type in their implementation of
|
||||
* onDrop. They access the 'data' property to retrieve data, which is either data
|
||||
* QI'ed to a usable form, or unicode string.
|
||||
*/
|
||||
function FlavourData(aData, aLength, aFlavour)
|
||||
{
|
||||
this.supports = aData;
|
||||
this.contentLength = aLength;
|
||||
this.flavour = aFlavour || null;
|
||||
|
||||
this._XferID = "FlavourData";
|
||||
}
|
||||
|
||||
FlavourData.prototype = {
|
||||
get data ()
|
||||
{
|
||||
if (this.flavour &&
|
||||
this.flavour.dataIIDKey != "nsISupportsString" )
|
||||
return this.supports.QueryInterface(Components.interfaces[this.flavour.dataIIDKey]);
|
||||
else {
|
||||
var unicode = this.supports.QueryInterface(Components.interfaces.nsISupportsString);
|
||||
if (unicode)
|
||||
return unicode.data.substring(0, this.contentLength/2);
|
||||
|
||||
return this.supports;
|
||||
}
|
||||
return "";
|
||||
}
|
||||
}
|
||||
|
||||
/**
|
||||
* Create a TransferData object with a single FlavourData entry. Used when
|
||||
* unwrapping data of a specific flavour from the drag service.
|
||||
*/
|
||||
function FlavourToXfer(aData, aLength, aFlavour)
|
||||
{
|
||||
return new TransferData([new FlavourData(aData, aLength, aFlavour)]);
|
||||
}
|
||||
|
||||
var transferUtils = {
|
||||
|
||||
retrieveURLFromData: function (aData, flavour)
|
||||
{
|
||||
switch (flavour) {
|
||||
case "text/unicode":
|
||||
return aData;
|
||||
case "text/x-moz-url":
|
||||
return aData.toString().split("\n")[0];
|
||||
case "application/x-moz-file":
|
||||
var ioService = Components.classes["@mozilla.org/network/io-service;1"]
|
||||
.getService(Components.interfaces.nsIIOService);
|
||||
var fileHandler = ioService.getProtocolHandler("file")
|
||||
.QueryInterface(Components.interfaces.nsIFileProtocolHandler);
|
||||
return fileHandler.getURLSpecFromFile(aData);
|
||||
}
|
||||
return null;
|
||||
}
|
||||
|
||||
}
|
||||
|
||||
/**
|
||||
* nsDragAndDrop - a convenience wrapper for nsTransferable, nsITransferable
|
||||
|
|
|
@ -1,326 +0,0 @@
|
|||
/* -*- Mode: Java; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
|
||||
/* ***** BEGIN LICENSE BLOCK *****
|
||||
* Version: MPL 1.1/GPL 2.0/LGPL 2.1
|
||||
*
|
||||
* The contents of this file are subject to the Mozilla Public License Version
|
||||
* 1.1 (the "License"); you may not use this file except in compliance with
|
||||
* the License. You may obtain a copy of the License at
|
||||
* http://www.mozilla.org/MPL/
|
||||
*
|
||||
* Software distributed under the License is distributed on an "AS IS" basis,
|
||||
* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
|
||||
* for the specific language governing rights and limitations under the
|
||||
* License.
|
||||
*
|
||||
* The Original Code is mozilla.org code.
|
||||
*
|
||||
* The Initial Developer of the Original Code is
|
||||
* Netscape Communications Corporation.
|
||||
* Portions created by the Initial Developer are Copyright (C) 1998
|
||||
* the Initial Developer. All Rights Reserved.
|
||||
*
|
||||
* Contributor(s):
|
||||
* Ben Goodger <ben@netscape.com> (Original Author)
|
||||
*
|
||||
* Alternatively, the contents of this file may be used under the terms of
|
||||
* either of the GNU General Public License Version 2 or later (the "GPL"),
|
||||
* or the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
|
||||
* in which case the provisions of the GPL or the LGPL are applicable instead
|
||||
* of those above. If you wish to allow use of your version of this file only
|
||||
* under the terms of either the GPL or the LGPL, and not to allow others to
|
||||
* use your version of this file under the terms of the MPL, indicate your
|
||||
* decision by deleting the provisions above and replace them with the notice
|
||||
* and other provisions required by the GPL or the LGPL. If you do not delete
|
||||
* the provisions above, a recipient may use your version of this file under
|
||||
* the terms of any one of the MPL, the GPL or the LGPL.
|
||||
*
|
||||
* ***** END LICENSE BLOCK ***** */
|
||||
|
||||
////////////////////////////////////////////////////////////////////////////
|
||||
// XXX - WARNING - DRAG AND DROP API CHANGE ALERT - XXX
|
||||
// This file has been extensively modified in a checkin planned for Mozilla
|
||||
// 0.8, and the API has been modified. DO NOT MODIFY THIS FILE without
|
||||
// approval from ben@netscape.com, otherwise your changes will be lost.
|
||||
|
||||
/**
|
||||
* nsTransferable - a wrapper for nsITransferable that simplifies
|
||||
* javascript clipboard and drag&drop. for use in
|
||||
* these situations you should use the nsClipboard
|
||||
* and nsDragAndDrop wrappers for more convenience
|
||||
**/
|
||||
|
||||
var nsTransferable = {
|
||||
/**
|
||||
* nsITransferable set (TransferData aTransferData) ;
|
||||
*
|
||||
* Creates a transferable with data for a list of supported types ("flavours")
|
||||
*
|
||||
* @param TransferData aTransferData
|
||||
* a javascript object in the format described above
|
||||
**/
|
||||
set: function (aTransferDataSet)
|
||||
{
|
||||
var trans = this.createTransferable();
|
||||
for (var i = 0; i < aTransferDataSet.dataList.length; ++i)
|
||||
{
|
||||
var currData = aTransferDataSet.dataList[i];
|
||||
var currFlavour = currData.flavour.contentType;
|
||||
trans.addDataFlavor(currFlavour);
|
||||
var supports = null; // nsISupports data
|
||||
var length = 0;
|
||||
if (currData.flavour.dataIIDKey == "nsISupportsString")
|
||||
{
|
||||
supports = Components.classes["@mozilla.org/supports-string;1"]
|
||||
.createInstance(Components.interfaces.nsISupportsString);
|
||||
|
||||
supports.data = currData.supports;
|
||||
length = supports.data.length;
|
||||
}
|
||||
else
|
||||
{
|
||||
// non-string data.
|
||||
supports = currData.supports;
|
||||
length = 0; // kFlavorHasDataProvider
|
||||
}
|
||||
trans.setTransferData(currFlavour, supports, length * 2);
|
||||
}
|
||||
return trans;
|
||||
},
|
||||
|
||||
/**
|
||||
* TransferData/TransferDataSet get (FlavourSet aFlavourSet,
|
||||
* Function aRetrievalFunc, Boolean aAnyFlag) ;
|
||||
*
|
||||
* Retrieves data from the transferable provided in aRetrievalFunc, formatted
|
||||
* for more convenient access.
|
||||
*
|
||||
* @param FlavourSet aFlavourSet
|
||||
* a FlavourSet object that contains a list of supported flavours.
|
||||
* @param Function aRetrievalFunc
|
||||
* a reference to a function that returns a nsISupportsArray of nsITransferables
|
||||
* for each item from the specified source (clipboard/drag&drop etc)
|
||||
* @param Boolean aAnyFlag
|
||||
* a flag specifying whether or not a specific flavour is requested. If false,
|
||||
* data of the type of the first flavour in the flavourlist parameter is returned,
|
||||
* otherwise the best flavour supported will be returned.
|
||||
**/
|
||||
get: function (aFlavourSet, aRetrievalFunc, aAnyFlag)
|
||||
{
|
||||
if (!aRetrievalFunc)
|
||||
throw "No data retrieval handler provided!";
|
||||
|
||||
var supportsArray = aRetrievalFunc(aFlavourSet);
|
||||
var dataArray = [];
|
||||
var count = supportsArray.Count();
|
||||
|
||||
// Iterate over the number of items returned from aRetrievalFunc. For
|
||||
// clipboard operations, this is 1, for drag and drop (where multiple
|
||||
// items may have been dragged) this could be >1.
|
||||
for (var i = 0; i < count; i++)
|
||||
{
|
||||
var trans = supportsArray.GetElementAt(i);
|
||||
if (!trans) continue;
|
||||
trans = trans.QueryInterface(Components.interfaces.nsITransferable);
|
||||
|
||||
var data = { };
|
||||
var length = { };
|
||||
|
||||
var currData = null;
|
||||
if (aAnyFlag)
|
||||
{
|
||||
var flavour = { };
|
||||
trans.getAnyTransferData(flavour, data, length);
|
||||
if (data && flavour)
|
||||
{
|
||||
var selectedFlavour = aFlavourSet.flavourTable[flavour.value];
|
||||
if (selectedFlavour)
|
||||
dataArray[i] = FlavourToXfer(data.value, length.value, selectedFlavour);
|
||||
}
|
||||
}
|
||||
else
|
||||
{
|
||||
var firstFlavour = aFlavourSet.flavours[0];
|
||||
trans.getTransferData(firstFlavour, data, length);
|
||||
if (data && firstFlavour)
|
||||
dataArray[i] = FlavourToXfer(data.value, length.value, firstFlavour);
|
||||
}
|
||||
}
|
||||
return new TransferDataSet(dataArray);
|
||||
},
|
||||
|
||||
/**
|
||||
* nsITransferable createTransferable (void) ;
|
||||
*
|
||||
* Creates and returns a transferable object.
|
||||
**/
|
||||
createTransferable: function ()
|
||||
{
|
||||
const kXferableContractID = "@mozilla.org/widget/transferable;1";
|
||||
const kXferableIID = Components.interfaces.nsITransferable;
|
||||
return Components.classes[kXferableContractID].createInstance(kXferableIID);
|
||||
}
|
||||
};
|
||||
|
||||
/**
|
||||
* A FlavourSet is a simple type that represents a collection of Flavour objects.
|
||||
* FlavourSet is constructed from an array of Flavours, and stores this list as
|
||||
* an array and a hashtable. The rationale for the dual storage is as follows:
|
||||
*
|
||||
* Array: Ordering is important when adding data flavours to a transferable.
|
||||
* Flavours added first are deemed to be 'preferred' by the client.
|
||||
* Hash: Convenient lookup of flavour data using the content type (MIME type)
|
||||
* of data as a key.
|
||||
*/
|
||||
function FlavourSet(aFlavourList)
|
||||
{
|
||||
this.flavours = aFlavourList || [];
|
||||
this.flavourTable = { };
|
||||
|
||||
this._XferID = "FlavourSet";
|
||||
|
||||
for (var i = 0; i < this.flavours.length; ++i)
|
||||
this.flavourTable[this.flavours[i].contentType] = this.flavours[i];
|
||||
}
|
||||
|
||||
FlavourSet.prototype = {
|
||||
appendFlavour: function (aFlavour, aFlavourIIDKey)
|
||||
{
|
||||
var flavour = new Flavour (aFlavour, aFlavourIIDKey);
|
||||
this.flavours.push(flavour);
|
||||
this.flavourTable[flavour.contentType] = flavour;
|
||||
}
|
||||
};
|
||||
|
||||
/**
|
||||
* A Flavour is a simple type that represents a data type that can be handled.
|
||||
* It takes a content type (MIME type) which is used when storing data on the
|
||||
* system clipboard/drag and drop, and an IIDKey (string interface name
|
||||
* which is used to QI data to an appropriate form. The default interface is
|
||||
* assumed to be wide-string.
|
||||
*/
|
||||
function Flavour(aContentType, aDataIIDKey)
|
||||
{
|
||||
this.contentType = aContentType;
|
||||
this.dataIIDKey = aDataIIDKey || "nsISupportsString";
|
||||
|
||||
this._XferID = "Flavour";
|
||||
}
|
||||
|
||||
function TransferDataBase() {}
|
||||
TransferDataBase.prototype = {
|
||||
push: function (aItems)
|
||||
{
|
||||
this.dataList.push(aItems);
|
||||
},
|
||||
|
||||
get first ()
|
||||
{
|
||||
return "dataList" in this && this.dataList.length ? this.dataList[0] : null;
|
||||
}
|
||||
};
|
||||
|
||||
/**
|
||||
* TransferDataSet is a list (array) of TransferData objects, which represents
|
||||
* data dragged from one or more elements.
|
||||
*/
|
||||
function TransferDataSet(aTransferDataList)
|
||||
{
|
||||
this.dataList = aTransferDataList || [];
|
||||
|
||||
this._XferID = "TransferDataSet";
|
||||
}
|
||||
TransferDataSet.prototype = TransferDataBase.prototype;
|
||||
|
||||
/**
|
||||
* TransferData is a list (array) of FlavourData for all the applicable content
|
||||
* types associated with a drag from a single item.
|
||||
*/
|
||||
function TransferData(aFlavourDataList)
|
||||
{
|
||||
this.dataList = aFlavourDataList || [];
|
||||
|
||||
this._XferID = "TransferData";
|
||||
}
|
||||
TransferData.prototype = {
|
||||
__proto__: TransferDataBase.prototype,
|
||||
|
||||
addDataForFlavour: function (aFlavourString, aData, aLength, aDataIIDKey)
|
||||
{
|
||||
this.dataList.push(new FlavourData(aData, aLength,
|
||||
new Flavour(aFlavourString, aDataIIDKey)));
|
||||
}
|
||||
};
|
||||
|
||||
/**
|
||||
* FlavourData is a type that represents data retrieved from the system
|
||||
* clipboard or drag and drop. It is constructed internally by the Transferable
|
||||
* using the raw (nsISupports) data from the clipboard, the length of the data,
|
||||
* and an object of type Flavour representing the type. Clients implementing
|
||||
* IDragDropObserver receive an object of this type in their implementation of
|
||||
* onDrop. They access the 'data' property to retrieve data, which is either data
|
||||
* QI'ed to a usable form, or unicode string.
|
||||
*/
|
||||
function FlavourData(aData, aLength, aFlavour)
|
||||
{
|
||||
this.supports = aData;
|
||||
this.contentLength = aLength;
|
||||
this.flavour = aFlavour || null;
|
||||
|
||||
this._XferID = "FlavourData";
|
||||
}
|
||||
|
||||
FlavourData.prototype = {
|
||||
get data ()
|
||||
{
|
||||
if (this.flavour &&
|
||||
this.flavour.dataIIDKey != "nsISupportsString" )
|
||||
return this.supports.QueryInterface(Components.interfaces[this.flavour.dataIIDKey]);
|
||||
else {
|
||||
var unicode = this.supports.QueryInterface(Components.interfaces.nsISupportsString);
|
||||
if (unicode)
|
||||
return unicode.data.substring(0, this.contentLength/2);
|
||||
|
||||
return this.supports;
|
||||
}
|
||||
return "";
|
||||
}
|
||||
}
|
||||
|
||||
/**
|
||||
* Create a TransferData object with a single FlavourData entry. Used when
|
||||
* unwrapping data of a specific flavour from the drag service.
|
||||
*/
|
||||
function FlavourToXfer(aData, aLength, aFlavour)
|
||||
{
|
||||
return new TransferData([new FlavourData(aData, aLength, aFlavour)]);
|
||||
}
|
||||
|
||||
var transferUtils = {
|
||||
|
||||
retrieveURLFromData: function (aData, flavour)
|
||||
{
|
||||
switch (flavour) {
|
||||
case "text/unicode":
|
||||
return aData;
|
||||
case "text/x-moz-url":
|
||||
return aData.toString().split("\n")[0];
|
||||
case "application/x-moz-file":
|
||||
var ioService = Components.classes["@mozilla.org/network/io-service;1"]
|
||||
.getService(Components.interfaces.nsIIOService);
|
||||
var fileHandler = ioService.getProtocolHandler("file")
|
||||
.QueryInterface(Components.interfaces.nsIFileProtocolHandler);
|
||||
return fileHandler.getURLSpecFromFile(aData);
|
||||
}
|
||||
return null;
|
||||
}
|
||||
|
||||
}
|
||||
|
||||
/*
|
||||
function DUMP_obj (aObj)
|
||||
{
|
||||
for (var i in aObj)
|
||||
dump("*** aObj[" + i + "] = " + aObj[i] + "\n");
|
||||
}
|
||||
*/
|
||||
|
Загрузка…
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