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1 /* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- |
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2 * |
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3 * This Source Code Form is subject to the terms of the Mozilla Public |
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4 * License, v. 2.0. If a copy of the MPL was not distributed with this |
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5 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ |
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6 |
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7 #ifndef _nsIAccessibilityService_h_ |
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8 #define _nsIAccessibilityService_h_ |
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9 |
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10 #include "nsIAccessibleRetrieval.h" |
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11 #include "nsIAccessibleEvent.h" |
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12 |
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13 #include "nsAutoPtr.h" |
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14 |
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15 namespace mozilla { |
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16 namespace a11y { |
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17 |
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18 class Accessible; |
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19 |
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20 } // namespace a11y |
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21 } // namespace mozilla |
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22 |
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23 class nsINode; |
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24 class nsIContent; |
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25 class nsIFrame; |
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26 class nsIPresShell; |
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27 class nsObjectFrame; |
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28 |
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29 // 10ff6dca-b219-4b64-9a4c-67a62b86edce |
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30 #define NS_IACCESSIBILITYSERVICE_IID \ |
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31 { 0x84dd9182, 0x6639, 0x4377, \ |
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32 { 0xa4, 0x13, 0xad, 0xe1, 0xae, 0x4e, 0x52, 0xdd } } |
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33 |
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34 class nsIAccessibilityService : public nsIAccessibleRetrieval |
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35 { |
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36 public: |
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37 NS_DECLARE_STATIC_IID_ACCESSOR(NS_IACCESSIBILITYSERVICE_IID) |
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38 |
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39 /** |
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40 * Return root document accessible that is or contains a document accessible |
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41 * for the given presshell. |
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42 * |
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43 * @param aPresShell [in] the presshell |
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44 * @param aCanCreate [in] points whether the root document accessible |
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45 * should be returned from the cache or can be created |
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46 */ |
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47 virtual mozilla::a11y::Accessible* |
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48 GetRootDocumentAccessible(nsIPresShell* aPresShell, bool aCanCreate) = 0; |
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49 |
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50 /** |
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51 * Adds/remove ATK root accessible for gtk+ native window to/from children |
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52 * of the application accessible. |
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53 */ |
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54 virtual mozilla::a11y::Accessible* |
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55 AddNativeRootAccessible(void* aAtkAccessible) = 0; |
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56 virtual void |
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57 RemoveNativeRootAccessible(mozilla::a11y::Accessible* aRootAccessible) = 0; |
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58 |
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59 /** |
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60 * Fire accessible event of the given type for the given target. |
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61 * |
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62 * @param aEvent [in] accessible event type |
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63 * @param aTarget [in] target of accessible event |
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64 */ |
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65 virtual void FireAccessibleEvent(uint32_t aEvent, |
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66 mozilla::a11y::Accessible* aTarget) = 0; |
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67 }; |
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68 |
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69 NS_DEFINE_STATIC_IID_ACCESSOR(nsIAccessibilityService, |
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70 NS_IACCESSIBILITYSERVICE_IID) |
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71 |
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72 // for component registration |
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73 // {DE401C37-9A7F-4278-A6F8-3DE2833989EF} |
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74 #define NS_ACCESSIBILITY_SERVICE_CID \ |
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75 { 0xde401c37, 0x9a7f, 0x4278, { 0xa6, 0xf8, 0x3d, 0xe2, 0x83, 0x39, 0x89, 0xef } } |
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76 |
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77 extern nsresult |
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78 NS_GetAccessibilityService(nsIAccessibilityService** aResult); |
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79 |
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80 #endif |