/** * Sets the transferable object * */ NS_IMETHODIMP nsBaseClipboard::SetData(nsITransferable * aTransferable, nsIClipboardOwner * anOwner, PRInt32 aWhichClipboard) { NS_ASSERTION ( aTransferable, "clipboard given a null transferable" ); if (aTransferable == mTransferable && anOwner == mClipboardOwner) return NS_OK; bool selectClipPresent; SupportsSelectionClipboard(&selectClipPresent); if ( !selectClipPresent && aWhichClipboard != kGlobalClipboard ) return NS_ERROR_FAILURE; EmptyClipboard(aWhichClipboard); mClipboardOwner = anOwner; if ( anOwner ) NS_ADDREF(mClipboardOwner); mTransferable = aTransferable; nsresult rv = NS_ERROR_FAILURE; if ( mTransferable ) { NS_ADDREF(mTransferable); if (!mPrivacyHandler) { rv = NS_NewClipboardPrivacyHandler(getter_AddRefs(mPrivacyHandler)); NS_ENSURE_SUCCESS(rv, rv); } rv = mPrivacyHandler->PrepareDataForClipboard(mTransferable); NS_ENSURE_SUCCESS(rv, rv); rv = SetNativeClipboardData(aWhichClipboard); } return rv; }
/** * Sets the transferable object */ NS_IMETHODIMP nsClipboard::SetData(nsITransferable *aTransferable, nsIClipboardOwner *aOwner, PRInt32 aWhichClipboard) { // See if we can short cut if ( (aWhichClipboard == kGlobalClipboard && aTransferable == mGlobalTransferable.get() && aOwner == mGlobalOwner.get() ) || (aWhichClipboard == kSelectionClipboard && aTransferable == mSelectionTransferable.get() && aOwner == mSelectionOwner.get() ) ) { return NS_OK; } nsresult rv; if (!mPrivacyHandler) { rv = NS_NewClipboardPrivacyHandler(getter_AddRefs(mPrivacyHandler)); NS_ENSURE_SUCCESS(rv, rv); } rv = mPrivacyHandler->PrepareDataForClipboard(aTransferable); NS_ENSURE_SUCCESS(rv, rv); EmptyClipboard(aWhichClipboard); QClipboard::Mode mode; if (kGlobalClipboard == aWhichClipboard) { mGlobalOwner = aOwner; mGlobalTransferable = aTransferable; mode = QClipboard::Clipboard; } else { mSelectionOwner = aOwner; mSelectionTransferable = aTransferable; mode = QClipboard::Selection; } return SetNativeClipboardData( aTransferable, mode ); }
NS_IMETHODIMP nsClipboard::SetData(nsITransferable *aTransferable, nsIClipboardOwner *aOwner, PRInt32 aWhichClipboard) { // See if we can short cut if ((aWhichClipboard == kGlobalClipboard && aTransferable == mGlobalTransferable.get() && aOwner == mGlobalOwner.get()) || (aWhichClipboard == kSelectionClipboard && aTransferable == mSelectionTransferable.get() && aOwner == mSelectionOwner.get())) { return NS_OK; } nsresult rv; if (!mPrivacyHandler) { rv = NS_NewClipboardPrivacyHandler(getter_AddRefs(mPrivacyHandler)); NS_ENSURE_SUCCESS(rv, rv); } rv = mPrivacyHandler->PrepareDataForClipboard(aTransferable); NS_ENSURE_SUCCESS(rv, rv); // Clear out the clipboard in order to set the new data EmptyClipboard(aWhichClipboard); // List of suported targets GtkTargetList *list = gtk_target_list_new(NULL, 0); // Get the types of supported flavors nsCOMPtr<nsISupportsArray> flavors; rv = aTransferable->FlavorsTransferableCanExport(getter_AddRefs(flavors)); if (!flavors || NS_FAILED(rv)) return NS_ERROR_FAILURE; // Add all the flavors to this widget's supported type. PRBool imagesAdded = PR_FALSE; PRUint32 count; flavors->Count(&count); for (PRUint32 i=0; i < count; i++) { nsCOMPtr<nsISupports> tastesLike; flavors->GetElementAt(i, getter_AddRefs(tastesLike)); nsCOMPtr<nsISupportsCString> flavor = do_QueryInterface(tastesLike); if (flavor) { nsXPIDLCString flavorStr; flavor->ToString(getter_Copies(flavorStr)); // special case text/unicode since we can handle all of // the string types if (!strcmp(flavorStr, kUnicodeMime)) { gtk_target_list_add(list, gdk_atom_intern("UTF8_STRING", FALSE), 0, 0); gtk_target_list_add(list, gdk_atom_intern("COMPOUND_TEXT", FALSE), 0, 0); gtk_target_list_add(list, gdk_atom_intern("TEXT", FALSE), 0, 0); gtk_target_list_add(list, GDK_SELECTION_TYPE_STRING, 0, 0); continue; } if (flavorStr.EqualsLiteral(kNativeImageMime) || flavorStr.EqualsLiteral(kPNGImageMime) || flavorStr.EqualsLiteral(kJPEGImageMime) || flavorStr.EqualsLiteral(kGIFImageMime)) { // don't bother adding image targets twice if (!imagesAdded) { // accept any writable image type gtk_target_list_add_image_targets(list, 0, TRUE); imagesAdded = PR_TRUE; } continue; } // Add this to our list of valid targets GdkAtom atom = gdk_atom_intern(flavorStr, FALSE); gtk_target_list_add(list, atom, 0, 0); } } // Get GTK clipboard (CLIPBOARD or PRIMARY) GtkClipboard *gtkClipboard = gtk_clipboard_get(GetSelectionAtom(aWhichClipboard)); gint numTargets; GtkTargetEntry *gtkTargets = gtk_target_table_new_from_list(list, &numTargets); // Set getcallback and request to store data after an application exit if (gtk_clipboard_set_with_data(gtkClipboard, gtkTargets, numTargets, clipboard_get_cb, clipboard_clear_cb, this)) { // We managed to set-up the clipboard so update internal state // We have to set it now because gtk_clipboard_set_with_data() calls clipboard_clear_cb() // which reset our internal state if (aWhichClipboard == kSelectionClipboard) { mSelectionOwner = aOwner; mSelectionTransferable = aTransferable; } else { mGlobalOwner = aOwner; mGlobalTransferable = aTransferable; gtk_clipboard_set_can_store(gtkClipboard, gtkTargets, numTargets); } rv = NS_OK; } else { rv = NS_ERROR_FAILURE; } gtk_target_table_free(gtkTargets, numTargets); gtk_target_list_unref(list); return rv; }