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Diffstat (limited to 'toolkit/components/autocomplete/nsIAutoCompleteController.idl')
| -rw-r--r-- | toolkit/components/autocomplete/nsIAutoCompleteController.idl | 182 |
1 files changed, 182 insertions, 0 deletions
diff --git a/toolkit/components/autocomplete/nsIAutoCompleteController.idl b/toolkit/components/autocomplete/nsIAutoCompleteController.idl new file mode 100644 index 0000000000..148e704b4c --- /dev/null +++ b/toolkit/components/autocomplete/nsIAutoCompleteController.idl @@ -0,0 +1,182 @@ +/* This Source Code Form is subject to the terms of the Mozilla Public + * License, v. 2.0. If a copy of the MPL was not distributed with this + * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ + +#include "nsISupports.idl" + +interface nsIAutoCompleteInput; + +webidl Event; + +[scriptable, uuid(ff9f8465-204a-47a6-b3c9-0628b3856684)] +interface nsIAutoCompleteController : nsISupports +{ + /* + * Possible values for the searchStatus attribute + */ + const unsigned short STATUS_NONE = 1; + const unsigned short STATUS_SEARCHING = 2; + const unsigned short STATUS_COMPLETE_NO_MATCH = 3; + const unsigned short STATUS_COMPLETE_MATCH = 4; + + /* + * The input widget that is currently being controlled. + */ + [setter_can_run_script] + attribute nsIAutoCompleteInput input; + + /* + * State which indicates the status of possible ongoing searches + */ + readonly attribute unsigned short searchStatus; + + /* + * The number of matches + */ + readonly attribute unsigned long matchCount; + + /* + * Start a search on a string, assuming the input property is already set. + */ + [can_run_script] void startSearch(in AString searchString); + + /* + * Stop all asynchronous searches + */ + [can_run_script] void stopSearch(); + + /* + * Notify the controller that the user has changed text in the textbox. + * This includes all means of changing the text value, including typing a + * character, backspacing, deleting, pasting, committing composition or + * canceling composition. + * + * NOTE: handleText() must be called after composition actually ends, even if + * the composition is canceled and the textbox value isn't changed. + * Then, implementation of handleText() can access the editor when + * it's not in composing mode. DOM compositionend event is not good + * timing for calling handleText(). DOM input event immediately after + * DOM compositionend event is the best timing to call this. + * + * @return whether this handler started a new search. + */ + [can_run_script] boolean handleText(); + + /* + * Notify the controller that the user wishes to enter the current text. If + * aIsPopupSelection is true, then a selection was made from the popup, so + * fill this value into the input field before continuing. If false, just + * use the current value of the input field. + * + * @param aIsPopupSelection + * Pass true if the selection was made from the popup. + * @param aEvent + * The event that triggered the enter, like a key event if the user + * pressed the Return key or a click event if the user clicked a popup + * item. + * @return Whether the controller wishes to prevent event propagation and + * default event. + */ + [can_run_script] boolean handleEnter(in boolean aIsPopupSelection, + [optional] in Event aEvent); + + /* + * Notify the controller that the user wishes to revert autocomplete + * + * @return Whether the controller wishes to prevent event propagation and + * default event. + */ + [can_run_script] boolean handleEscape(); + + /* + * Notify the controller that the user wishes to start composition + * + * NOTE: nsIAutoCompleteController implementation expects that this is called + * by DOM compositionstart handler. + */ + [can_run_script] void handleStartComposition(); + + /* + * Notify the controller that the user wishes to end composition + * + * NOTE: nsIAutoCompleteController implementation expects that this is called + * by DOM compositionend handler. + */ + void handleEndComposition(); + + /* + * Handle tab. Just closes up. + */ + [can_run_script] void handleTab(); + + /* + * Notify the controller of the following key navigation events: + * up, down, left, right, page up, page down + * + * @return Whether the controller wishes to prevent event propagation and + * default event + */ + [can_run_script] boolean handleKeyNavigation(in unsigned long key); + + /* + * Notify the controller that the user chose to delete the current + * auto-complete result. + * + * @return Whether the controller removed a result item. + */ + [can_run_script] boolean handleDelete(); + + /* + * Get the value of the result at a given index in the last completed search + */ + AString getValueAt(in long index); + + /* + * Get the label of the result at a given index in the last completed search + */ + AString getLabelAt(in long index); + + /* + * Get the comment of the result at a given index in the last completed search + */ + AString getCommentAt(in long index); + + /* + * Get the style hint for the result at a given index in the last completed search + */ + AString getStyleAt(in long index); + + /* + * Get the url of the image of the result at a given index in the last completed search + */ + AString getImageAt(in long index); + + /* + * For the last completed search, get the final value that should be completed + * when the user confirms the match at the given index + */ + AString getFinalCompleteValueAt(in long index); + + /* + * Get / set the current search string. Note, setting will not start searching + */ + attribute AString searchString; + + /* + * Set the index of the result item that should be initially selected. + * This should be used when a search wants to pre-select an element before + * the user starts using results. + * + * @note Setting this is not the same as just setting selectedIndex in + * nsIAutocompletePopup, since this will take care of updating any internal + * tracking variables of features like completeSelectedIndex. + */ + void setInitiallySelectedIndex(in long index); + + /* + * Reset controller internal caches for cases where the input doesn't change + * but its context resets, thus it is about to start a completely new search + * session. + */ + [can_run_script] void resetInternalState(); +}; |