The Tor Browser / file comparison
comparison: widget/xpwidgets/nsBaseClipboard.cpp
widget/xpwidgets/nsBaseClipboard.cpp
- branch
- TOR_BUG_9701
- changeset 9
- a63d609f5ebe
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replaced
| -1:000000000000 | 0:a0bb308fdfed |
|---|---|
| 1 /* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */ | |
| 2 /* This Source Code Form is subject to the terms of the Mozilla Public | |
| 3 * License, v. 2.0. If a copy of the MPL was not distributed with this | |
| 4 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ | |
| 5 | |
| 6 #include "nsBaseClipboard.h" | |
| 7 | |
| 8 #include "nsIClipboardOwner.h" | |
| 9 #include "nsCOMPtr.h" | |
| 10 #include "nsXPCOM.h" | |
| 11 #include "nsISupportsPrimitives.h" | |
| 12 | |
| 13 nsBaseClipboard::nsBaseClipboard() | |
| 14 { | |
| 15 mClipboardOwner = nullptr; | |
| 16 mTransferable = nullptr; | |
| 17 mIgnoreEmptyNotification = false; | |
| 18 mEmptyingForSetData = false; | |
| 19 } | |
| 20 | |
| 21 nsBaseClipboard::~nsBaseClipboard() | |
| 22 { | |
| 23 EmptyClipboard(kSelectionClipboard); | |
| 24 EmptyClipboard(kGlobalClipboard); | |
| 25 EmptyClipboard(kFindClipboard); | |
| 26 } | |
| 27 | |
| 28 NS_IMPL_ISUPPORTS(nsBaseClipboard, nsIClipboard) | |
| 29 | |
| 30 /** | |
| 31 * Sets the transferable object | |
| 32 * | |
| 33 */ | |
| 34 NS_IMETHODIMP nsBaseClipboard::SetData(nsITransferable * aTransferable, nsIClipboardOwner * anOwner, | |
| 35 int32_t aWhichClipboard) | |
| 36 { | |
| 37 NS_ASSERTION ( aTransferable, "clipboard given a null transferable" ); | |
| 38 | |
| 39 if (aTransferable == mTransferable && anOwner == mClipboardOwner) | |
| 40 return NS_OK; | |
| 41 bool selectClipPresent; | |
| 42 SupportsSelectionClipboard(&selectClipPresent); | |
| 43 bool findClipPresent; | |
| 44 SupportsFindClipboard(&findClipPresent); | |
| 45 if ( !selectClipPresent && !findClipPresent && aWhichClipboard != kGlobalClipboard ) | |
| 46 return NS_ERROR_FAILURE; | |
| 47 | |
| 48 mEmptyingForSetData = true; | |
| 49 EmptyClipboard(aWhichClipboard); | |
| 50 mEmptyingForSetData = false; | |
| 51 | |
| 52 mClipboardOwner = anOwner; | |
| 53 if ( anOwner ) | |
| 54 NS_ADDREF(mClipboardOwner); | |
| 55 | |
| 56 mTransferable = aTransferable; | |
| 57 | |
| 58 nsresult rv = NS_ERROR_FAILURE; | |
| 59 | |
| 60 if ( mTransferable ) { | |
| 61 NS_ADDREF(mTransferable); | |
| 62 if (!mPrivacyHandler) { | |
| 63 rv = NS_NewClipboardPrivacyHandler(getter_AddRefs(mPrivacyHandler)); | |
| 64 NS_ENSURE_SUCCESS(rv, rv); | |
| 65 } | |
| 66 rv = mPrivacyHandler->PrepareDataForClipboard(mTransferable); | |
| 67 NS_ENSURE_SUCCESS(rv, rv); | |
| 68 rv = SetNativeClipboardData(aWhichClipboard); | |
| 69 } | |
| 70 | |
| 71 return rv; | |
| 72 } | |
| 73 | |
| 74 /** | |
| 75 * Gets the transferable object | |
| 76 * | |
| 77 */ | |
| 78 NS_IMETHODIMP nsBaseClipboard::GetData(nsITransferable * aTransferable, int32_t aWhichClipboard) | |
| 79 { | |
| 80 NS_ASSERTION ( aTransferable, "clipboard given a null transferable" ); | |
| 81 | |
| 82 bool selectClipPresent; | |
| 83 SupportsSelectionClipboard(&selectClipPresent); | |
| 84 bool findClipPresent; | |
| 85 SupportsFindClipboard(&findClipPresent); | |
| 86 if ( !selectClipPresent && !findClipPresent && aWhichClipboard != kGlobalClipboard ) | |
| 87 return NS_ERROR_FAILURE; | |
| 88 | |
| 89 if ( aTransferable ) | |
| 90 return GetNativeClipboardData(aTransferable, aWhichClipboard); | |
| 91 | |
| 92 return NS_ERROR_FAILURE; | |
| 93 } | |
| 94 | |
| 95 NS_IMETHODIMP nsBaseClipboard::EmptyClipboard(int32_t aWhichClipboard) | |
| 96 { | |
| 97 bool selectClipPresent; | |
| 98 SupportsSelectionClipboard(&selectClipPresent); | |
| 99 bool findClipPresent; | |
| 100 SupportsFindClipboard(&findClipPresent); | |
| 101 if ( !selectClipPresent && !findClipPresent && aWhichClipboard != kGlobalClipboard ) | |
| 102 return NS_ERROR_FAILURE; | |
| 103 | |
| 104 if (mIgnoreEmptyNotification) | |
| 105 return NS_OK; | |
| 106 | |
| 107 if ( mClipboardOwner ) { | |
| 108 mClipboardOwner->LosingOwnership(mTransferable); | |
| 109 NS_RELEASE(mClipboardOwner); | |
| 110 } | |
| 111 | |
| 112 NS_IF_RELEASE(mTransferable); | |
| 113 | |
| 114 return NS_OK; | |
| 115 } | |
| 116 | |
| 117 NS_IMETHODIMP | |
| 118 nsBaseClipboard::HasDataMatchingFlavors(const char** aFlavorList, | |
| 119 uint32_t aLength, | |
| 120 int32_t aWhichClipboard, | |
| 121 bool* outResult) | |
| 122 { | |
| 123 *outResult = true; // say we always do. | |
| 124 return NS_OK; | |
| 125 } | |
| 126 | |
| 127 NS_IMETHODIMP | |
| 128 nsBaseClipboard::SupportsSelectionClipboard(bool* _retval) | |
| 129 { | |
| 130 *_retval = false; // we don't support the selection clipboard by default. | |
| 131 return NS_OK; | |
| 132 } | |
| 133 | |
| 134 NS_IMETHODIMP | |
| 135 nsBaseClipboard::SupportsFindClipboard(bool* _retval) | |
| 136 { | |
| 137 *_retval = false; // we don't support the find clipboard by default. | |
| 138 return NS_OK; | |
| 139 } |
