content/base/public/nsCopySupport.h@6474c204b198 (annotated)
content/base/public/nsCopySupport.h
Wed, 31 Dec 2014 06:09:35 +0100
- author
- Michael Schloh von Bennewitz <michael@schloh.com>
- date
- Wed, 31 Dec 2014 06:09:35 +0100
- changeset 0
- 6474c204b198
- permissions
- -rw-r--r--
Cloned upstream origin tor-browser at tor-browser-31.3.0esr-4.5-1-build1
revision ID fc1c9ff7c1b2defdbc039f12214767608f46423f for hacking purpose.
| michael@0 | 1 | /* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */ |
| michael@0 | 2 | /* This Source Code Form is subject to the terms of the Mozilla Public |
| michael@0 | 3 | * License, v. 2.0. If a copy of the MPL was not distributed with this |
| michael@0 | 4 | * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ |
| michael@0 | 5 | |
| michael@0 | 6 | #ifndef nsCopySupport_h__ |
| michael@0 | 7 | #define nsCopySupport_h__ |
| michael@0 | 8 | |
| michael@0 | 9 | #include "nscore.h" |
| michael@0 | 10 | #include "nsINode.h" |
| michael@0 | 11 | |
| michael@0 | 12 | class nsISelection; |
| michael@0 | 13 | class nsIDocument; |
| michael@0 | 14 | class nsIImageLoadingContent; |
| michael@0 | 15 | class nsIContent; |
| michael@0 | 16 | class nsITransferable; |
| michael@0 | 17 | class nsACString; |
| michael@0 | 18 | class nsAString; |
| michael@0 | 19 | class nsIPresShell; |
| michael@0 | 20 | class nsILoadContext; |
| michael@0 | 21 | |
| michael@0 | 22 | class nsCopySupport |
| michael@0 | 23 | { |
| michael@0 | 24 | // class of static helper functions for copy support |
| michael@0 | 25 | public: |
| michael@0 | 26 | static nsresult HTMLCopy(nsISelection *aSel, nsIDocument *aDoc, int16_t aClipboardID); |
| michael@0 | 27 | static nsresult DoHooks(nsIDocument *aDoc, nsITransferable *aTrans, |
| michael@0 | 28 | bool *aDoPutOnClipboard); |
| michael@0 | 29 | |
| michael@0 | 30 | // Get the selection, or entire document, in the format specified by the mime type |
| michael@0 | 31 | // (text/html or text/plain). If aSel is non-null, use it, otherwise get the entire |
| michael@0 | 32 | // doc. |
| michael@0 | 33 | static nsresult GetContents(const nsACString& aMimeType, uint32_t aFlags, nsISelection *aSel, nsIDocument *aDoc, nsAString& outdata); |
| michael@0 | 34 | |
| michael@0 | 35 | static nsresult ImageCopy(nsIImageLoadingContent* aImageElement, |
| michael@0 | 36 | nsILoadContext* aLoadContext, |
| michael@0 | 37 | int32_t aCopyFlags); |
| michael@0 | 38 | |
| michael@0 | 39 | // Get the selection as a transferable. Similar to HTMLCopy except does |
| michael@0 | 40 | // not deal with the clipboard. |
| michael@0 | 41 | static nsresult GetTransferableForSelection(nsISelection* aSelection, |
| michael@0 | 42 | nsIDocument* aDocument, |
| michael@0 | 43 | nsITransferable** aTransferable); |
| michael@0 | 44 | |
| michael@0 | 45 | // Same as GetTransferableForSelection, but doesn't skip invisible content. |
| michael@0 | 46 | static nsresult GetTransferableForNode(nsINode* aNode, |
| michael@0 | 47 | nsIDocument* aDoc, |
| michael@0 | 48 | nsITransferable** aTransferable); |
| michael@0 | 49 | /** |
| michael@0 | 50 | * Retrieve the selection for the given document. If the current focus |
| michael@0 | 51 | * within the document has its own selection, aSelection will be set to it |
| michael@0 | 52 | * and this focused content node returned. Otherwise, aSelection will be |
| michael@0 | 53 | * set to the document's selection and null will be returned. |
| michael@0 | 54 | */ |
| michael@0 | 55 | static nsIContent* GetSelectionForCopy(nsIDocument* aDocument, |
| michael@0 | 56 | nsISelection** aSelection); |
| michael@0 | 57 | |
| michael@0 | 58 | /** |
| michael@0 | 59 | * Returns true if a copy operation is currently permitted based on the |
| michael@0 | 60 | * current focus and selection within the specified document. |
| michael@0 | 61 | */ |
| michael@0 | 62 | static bool CanCopy(nsIDocument* aDocument); |
| michael@0 | 63 | |
| michael@0 | 64 | /** |
| michael@0 | 65 | * Fires a cut, copy or paste event, on the given presshell, depending |
| michael@0 | 66 | * on the value of aType, which should be either NS_CUT, NS_COPY or |
| michael@0 | 67 | * NS_PASTE, and perform the default copy action if the event was not |
| michael@0 | 68 | * cancelled. |
| michael@0 | 69 | * |
| michael@0 | 70 | * If aSelection is specified, then this selection is used as the target |
| michael@0 | 71 | * of the operation. Otherwise, GetSelectionForCopy is used to retrieve |
| michael@0 | 72 | * the current selection. |
| michael@0 | 73 | * |
| michael@0 | 74 | * This will fire a cut, copy or paste event at the node at the start |
| michael@0 | 75 | * point of the selection. If a cut or copy event is not cancelled, the |
| michael@0 | 76 | * selection is copied to the clipboard and true is returned. Paste events |
| michael@0 | 77 | * have no default behaviour but true will be returned. It is expected |
| michael@0 | 78 | * that the caller will execute any needed default paste behaviour. Also, |
| michael@0 | 79 | * note that this method only copies text to the clipboard, the caller is |
| michael@0 | 80 | * responsible for removing the content during a cut operation if true is |
| michael@0 | 81 | * returned. |
| michael@0 | 82 | * |
| michael@0 | 83 | * aClipboardType specifies which clipboard to use, from nsIClipboard. |
| michael@0 | 84 | * |
| michael@0 | 85 | * If the event is cancelled or an error occurs, false will be returned. |
| michael@0 | 86 | */ |
| michael@0 | 87 | static bool FireClipboardEvent(int32_t aType, |
| michael@0 | 88 | int32_t aClipboardType, |
| michael@0 | 89 | nsIPresShell* aPresShell, |
| michael@0 | 90 | nsISelection* aSelection); |
| michael@0 | 91 | }; |
| michael@0 | 92 | |
| michael@0 | 93 | #endif |
