The Tor Browser / file comparison
comparison: toolkit/components/autocomplete/nsAutoCompleteController.h
toolkit/components/autocomplete/nsAutoCompleteController.h
- branch
- TOR_BUG_3246
- changeset 7
- 129ffea94266
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| -1:000000000000 | 0:1d7b4b378357 |
|---|---|
| 1 /* This Source Code Form is subject to the terms of the Mozilla Public | |
| 2 * License, v. 2.0. If a copy of the MPL was not distributed with this | |
| 3 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ | |
| 4 | |
| 5 #ifndef __nsAutoCompleteController__ | |
| 6 #define __nsAutoCompleteController__ | |
| 7 | |
| 8 #include "nsIAutoCompleteController.h" | |
| 9 | |
| 10 #include "nsCOMPtr.h" | |
| 11 #include "nsIAutoCompleteInput.h" | |
| 12 #include "nsIAutoCompletePopup.h" | |
| 13 #include "nsIAutoCompleteResult.h" | |
| 14 #include "nsIAutoCompleteSearch.h" | |
| 15 #include "nsString.h" | |
| 16 #include "nsITreeView.h" | |
| 17 #include "nsITreeSelection.h" | |
| 18 #include "nsITimer.h" | |
| 19 #include "nsTArray.h" | |
| 20 #include "nsCOMArray.h" | |
| 21 #include "nsCycleCollectionParticipant.h" | |
| 22 | |
| 23 class nsAutoCompleteController : public nsIAutoCompleteController, | |
| 24 public nsIAutoCompleteObserver, | |
| 25 public nsITimerCallback, | |
| 26 public nsITreeView | |
| 27 { | |
| 28 public: | |
| 29 NS_DECL_CYCLE_COLLECTING_ISUPPORTS | |
| 30 NS_DECL_CYCLE_COLLECTION_CLASS_AMBIGUOUS(nsAutoCompleteController, | |
| 31 nsIAutoCompleteController) | |
| 32 NS_DECL_NSIAUTOCOMPLETECONTROLLER | |
| 33 NS_DECL_NSIAUTOCOMPLETEOBSERVER | |
| 34 NS_DECL_NSITREEVIEW | |
| 35 NS_DECL_NSITIMERCALLBACK | |
| 36 | |
| 37 nsAutoCompleteController(); | |
| 38 virtual ~nsAutoCompleteController(); | |
| 39 | |
| 40 protected: | |
| 41 nsresult OpenPopup(); | |
| 42 nsresult ClosePopup(); | |
| 43 | |
| 44 nsresult StartSearch(uint16_t aSearchType); | |
| 45 | |
| 46 nsresult BeforeSearches(); | |
| 47 nsresult StartSearches(); | |
| 48 void AfterSearches(); | |
| 49 nsresult ClearSearchTimer(); | |
| 50 | |
| 51 nsresult ProcessResult(int32_t aSearchIndex, nsIAutoCompleteResult *aResult); | |
| 52 nsresult PostSearchCleanup(); | |
| 53 | |
| 54 nsresult EnterMatch(bool aIsPopupSelection); | |
| 55 nsresult RevertTextValue(); | |
| 56 | |
| 57 nsresult CompleteDefaultIndex(int32_t aResultIndex); | |
| 58 nsresult CompleteValue(nsString &aValue); | |
| 59 | |
| 60 nsresult GetResultAt(int32_t aIndex, nsIAutoCompleteResult** aResult, | |
| 61 int32_t* aRowIndex); | |
| 62 nsresult GetResultValueAt(int32_t aIndex, bool aGetFinalValue, | |
| 63 nsAString & _retval); | |
| 64 nsresult GetResultLabelAt(int32_t aIndex, nsAString & _retval); | |
| 65 private: | |
| 66 nsresult GetResultValueLabelAt(int32_t aIndex, bool aGetFinalValue, | |
| 67 bool aGetValue, nsAString & _retval); | |
| 68 protected: | |
| 69 | |
| 70 /** | |
| 71 * Gets and validates the defaultComplete result and the relative | |
| 72 * defaultIndex value. | |
| 73 * | |
| 74 * @param aResultIndex | |
| 75 * Index of the defaultComplete result to be used. Pass -1 to search | |
| 76 * for the first result providing a valid defaultIndex. | |
| 77 * @param _result | |
| 78 * The found result. | |
| 79 * @param _defaultIndex | |
| 80 * The defaultIndex relative to _result. | |
| 81 */ | |
| 82 nsresult GetDefaultCompleteResult(int32_t aResultIndex, | |
| 83 nsIAutoCompleteResult** _result, | |
| 84 int32_t* _defaultIndex); | |
| 85 | |
| 86 /** | |
| 87 * Gets the defaultComplete value to be suggested to the user. | |
| 88 * | |
| 89 * @param aResultIndex | |
| 90 * Index of the defaultComplete result to be used. | |
| 91 * @param aPreserveCasing | |
| 92 * Whether user casing should be preserved. | |
| 93 * @param _retval | |
| 94 * The value to be completed. | |
| 95 */ | |
| 96 nsresult GetDefaultCompleteValue(int32_t aResultIndex, bool aPreserveCasing, | |
| 97 nsAString &_retval); | |
| 98 | |
| 99 /** | |
| 100 * Gets the defaultComplete value to be used when the user confirms the | |
| 101 * current match. | |
| 102 * The value is returned only if it case-insensitively matches the current | |
| 103 * input text, otherwise the method returns NS_ERROR_FAILURE. | |
| 104 * This happens because we don't want to replace text if the user backspaces | |
| 105 * just before Enter. | |
| 106 * | |
| 107 * @param _retval | |
| 108 * The value to be completed. | |
| 109 */ | |
| 110 nsresult GetFinalDefaultCompleteValue(nsAString &_retval); | |
| 111 | |
| 112 nsresult ClearResults(); | |
| 113 | |
| 114 nsresult RowIndexToSearch(int32_t aRowIndex, | |
| 115 int32_t *aSearchIndex, int32_t *aItemIndex); | |
| 116 | |
| 117 // members ////////////////////////////////////////// | |
| 118 | |
| 119 nsCOMPtr<nsIAutoCompleteInput> mInput; | |
| 120 | |
| 121 nsCOMArray<nsIAutoCompleteSearch> mSearches; | |
| 122 nsCOMArray<nsIAutoCompleteResult> mResults; | |
| 123 // Caches the match counts for the current ongoing results to allow | |
| 124 // incremental results to keep the rowcount up to date. | |
| 125 nsTArray<uint32_t> mMatchCounts; | |
| 126 // Temporarily keeps the results alive while invoking startSearch() for each | |
| 127 // search. This is needed to allow the searches to reuse the previous result, | |
| 128 // since otherwise the first search clears mResults. | |
| 129 nsCOMArray<nsIAutoCompleteResult> mResultCache; | |
| 130 | |
| 131 nsCOMPtr<nsITimer> mTimer; | |
| 132 nsCOMPtr<nsITreeSelection> mSelection; | |
| 133 nsCOMPtr<nsITreeBoxObject> mTree; | |
| 134 | |
| 135 nsString mSearchString; | |
| 136 bool mDefaultIndexCompleted; | |
| 137 bool mBackspaced; | |
| 138 bool mPopupClosedByCompositionStart; | |
| 139 enum CompositionState { | |
| 140 eCompositionState_None, | |
| 141 eCompositionState_Composing, | |
| 142 eCompositionState_Committing | |
| 143 }; | |
| 144 CompositionState mCompositionState; | |
| 145 uint16_t mSearchStatus; | |
| 146 uint32_t mRowCount; | |
| 147 uint32_t mSearchesOngoing; | |
| 148 uint32_t mSearchesFailed; | |
| 149 bool mFirstSearchResult; | |
| 150 uint32_t mImmediateSearchesCount; | |
| 151 }; | |
| 152 | |
| 153 #endif /* __nsAutoCompleteController__ */ |
