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Diffstat (limited to 'other-licenses/ia2/AccessibleAction.idl')
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diff --git a/other-licenses/ia2/AccessibleAction.idl b/other-licenses/ia2/AccessibleAction.idl new file mode 100644 index 0000000000..7366f69f80 --- /dev/null +++ b/other-licenses/ia2/AccessibleAction.idl @@ -0,0 +1,220 @@ +/************************************************************************* + * + * File Name (AccessibleAction.idl) + * + * IAccessible2 IDL Specification + * + * Copyright (c) 2007, 2013 Linux Foundation + * Copyright (c) 2006 IBM Corporation + * Copyright (c) 2000, 2006 Sun Microsystems, Inc. + * All rights reserved. + * + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * + * 2. Redistributions in binary form must reproduce the above + * copyright notice, this list of conditions and the following + * disclaimer in the documentation and/or other materials + * provided with the distribution. + * + * 3. Neither the name of the Linux Foundation nor the names of its + * contributors may be used to endorse or promote products + * derived from this software without specific prior written + * permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND + * CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, + * INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF + * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE + * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR + * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, + * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT + * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; + * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN + * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR + * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, + * EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + * + * This BSD License conforms to the Open Source Initiative "Simplified + * BSD License" as published at: + * http://www.opensource.org/licenses/bsd-license.php + * + * IAccessible2 is a trademark of the Linux Foundation. The IAccessible2 + * mark may be used in accordance with the Linux Foundation Trademark + * Policy to indicate compliance with the IAccessible2 specification. + * + ************************************************************************/ + +import "objidl.idl"; +import "oaidl.idl"; +import "oleacc.idl"; + +/** This enum defines values which are predefined actions for use when implementing + support for media. + + This enum is used when specifying an action for IAccessibleAction::doAction. +*/ + +enum IA2Actions { + IA2_ACTION_OPEN = -1, /**< Used to inform the server that the client will + signal via IA2_ACTION_COMPLETE when it has consumed + the content provided by the object. This action + allows the object's server to wait for all clients + to signal their readiness for additional content. + Any form of content generation that requires + synchronization with an AT would require use of this + action. One example is the generation of text describing + visual content not obvious from a video's sound track. + In this scenario the Text to Speech or Braille output + may take more time than the related length of silence + in the video's sound track. */ + IA2_ACTION_COMPLETE = -2, /**< Used by the client to inform the server that it has + consumed the most recent content provided by this object. */ + IA2_ACTION_CLOSE = -3 /**< Used to inform the server that the client no longer + requires synchronization. */ +}; + +/** @brief This interface gives access to actions that can be executed + for accessible objects. + + Every accessible object that can be manipulated via the native GUI beyond the + methods available either in the MSAA IAccessible interface or in the set of + IAccessible2 interfaces (other than this IAccessibleAction interface) should + support the IAccessibleAction interface in order to provide Assistive Technology + access to all the actions that can be performed by the object. Each action can + be performed or queried for a name, description or associated key bindings. + Actions are needed more for ATs that assist the mobility impaired, such as + on-screen keyboards and voice command software. By providing actions directly, + the AT can present them to the user without the user having to perform the extra + steps to navigate a context menu. + + The first action should be equivalent to the MSAA default action. If there is + only one action, %IAccessibleAction should also be implemented. +*/ +[object, uuid(B70D9F59-3B5A-4dba-AB9E-22012F607DF5)] +interface IAccessibleAction : IUnknown +{ + + /** @brief Returns the number of accessible actions available in this object. + + If there are more than one, the first one is considered the + "default" action of the object. + @param [out] nActions + The returned value of the number of actions is zero if there are + no actions. + @retval S_OK + @note This method is missing a [propget] prefix in the IDL. The result is the + method is named nActions in generated C++ code instead of get_nActions. + */ + HRESULT nActions + ( + [out,retval] long* nActions + ); + + /** @brief Performs the specified Action on the object. + @param [in] actionIndex + 0 based index specifying the action to perform. If it lies outside + the valid range no action is performed. + @retval S_OK + @retval S_FALSE if action could not be performed + @retval E_INVALIDARG if bad [in] passed + @note If implementing support for media, refer to the predefined constants in the ::IA2Actions enum. + */ + HRESULT doAction + ( + [in] long actionIndex + ); + + /** @brief Returns a description of the specified action of the object. + @param [in] actionIndex + 0 based index specifying which action's description to return. + If it lies outside the valid range an empty string is returned. + @param [out] description + The returned value is a localized string of the specified action. + @retval S_OK + @retval S_FALSE if there is nothing to return, [out] value is NULL + @retval E_INVALIDARG if bad [in] passed + */ + [propget] HRESULT description + ( + [in] long actionIndex, + [out, retval] BSTR *description + ); + + /** @brief Returns an array of BSTRs describing one or more key bindings, if + there are any, associated with the specified action. + + The returned strings are the localized human readable key sequences to be + used to activate each action, e.g. "Ctrl+Shift+D". Since these key + sequences are to be used when the object has focus, they are like + mnemonics (access keys), and not like shortcut (accelerator) keys. + + There is no need to implement this method for single action controls since + that would be redundant with the standard MSAA programming practice of + getting the mnemonic from get_accKeyboardShortcut. + + An AT such as an On Screen Keyboard might not expose these bindings but + provide alternative means of activation. + + Note: the client allocates and passes in an array of pointers. The server + allocates the BSTRs and passes back one or more pointers to these BSTRs into + the array of pointers allocated by the client. The client is responsible + for deallocating the BSTRs. + + @param [in] actionIndex + 0 based index specifying which action's key bindings should be returned. + @param [in] nMaxBindings + This parameter is ignored. Refer to @ref _arrayConsideration + "Special Consideration when using Arrays" for more details. + @param [out] keyBindings + An array of BSTRs, allocated by the server, one for each key binding. + The client must free it with CoTaskMemFree. + @param [out] nBindings + The number of key bindings returned; the size of the returned array. + @retval S_OK + @retval S_FALSE if there are no key bindings, [out] values are NULL and 0 respectively + @retval E_INVALIDARG if bad [in] passed + */ + [propget] HRESULT keyBinding + ( + [in] long actionIndex, + [in] long nMaxBindings, + [out, size_is(,nMaxBindings), length_is(,*nBindings)] BSTR **keyBindings, + [out, retval] long *nBindings + ); + + /** @brief Returns the non-localized name of specified action. + @param [in] actionIndex + 0 based index specifying which action's non-localized name should be returned. + @param [out] name + @retval S_OK + @retval S_FALSE if there is nothing to return, [out] value is NULL + @retval E_INVALIDARG if bad [in] passed + */ + [propget] HRESULT name + ( + [in] long actionIndex, + [out, retval] BSTR *name + ); + + /** @brief Returns the localized name of specified action. + @param [in] actionIndex + 0 based index specifying which action's localized name should be returned. + @param [out] localizedName + @retval S_OK + @retval S_FALSE if there is nothing to return, [out] value is NULL + @retval E_INVALIDARG if bad [in] passed + */ + [propget] HRESULT localizedName + ( + [in] long actionIndex, + [out, retval] BSTR *localizedName + ); + +} |