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| 1 // Copyright (c) 2006-2008 The Chromium Authors. All rights reserved. | 1 // Copyright (c) 2006-2008 The Chromium Authors. All rights reserved. |
| 2 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
| 3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
| 4 | 4 |
| 5 #ifndef WEBKIT_GLUE_GLUE_ACCESSIBILITY_OBJECT_H_ | 5 #ifndef WEBKIT_GLUE_GLUE_ACCESSIBILITY_OBJECT_H_ |
| 6 #define WEBKIT_GLUE_GLUE_ACCESSIBILITY_OBJECT_H_ | 6 #define WEBKIT_GLUE_GLUE_ACCESSIBILITY_OBJECT_H_ |
| 7 | 7 |
| 8 #include "AccessibilityObjectWrapper.h" | 8 #include "AccessibilityObjectWrapper.h" |
| 9 | 9 |
| 10 #include "base/basictypes.h" | 10 #include "base/basictypes.h" |
| 11 #include "webkit/glue/webaccessibility.h" | 11 #include "webkit/glue/webaccessibility.h" |
| 12 | 12 |
| 13 namespace WebCore { | 13 namespace WebCore { |
| 14 class AccessibilityObject; | 14 class AccessibilityObject; |
| 15 enum AccessibilityRole; | 15 enum AccessibilityRole; |
| 16 } | 16 } |
| 17 | 17 |
| 18 //////////////////////////////////////////////////////////////////////////////// | 18 //////////////////////////////////////////////////////////////////////////////// |
| 19 // | 19 // |
| 20 // GlueAccessibilityObject | 20 // GlueAccessibilityObject |
| 21 // | 21 // |
| 22 // Operations that access the underlying WebKit DOM directly, exposing | 22 // Operations that access the underlying WebKit DOM directly, exposing |
| 23 // accessibility information to the GlueAccessibilityManager. Also provides a | 23 // accessibility information to the GlueAccessibilityManager. Also provides a |
| 24 // platform-independent wrapper to WebKit's AccessibilityObject. | 24 // platform-independent wrapper to WebKit's AccessibilityObject. |
| 25 //////////////////////////////////////////////////////////////////////////////// | 25 //////////////////////////////////////////////////////////////////////////////// |
| 26 class GlueAccessibilityObject : public WebCore::AccessibilityObjectWrapper { | 26 class GlueAccessibilityObject : public WebCore::AccessibilityObjectWrapper { |
| 27 public: | 27 public: |
| 28 static GlueAccessibilityObject* CreateInstance(WebCore::AccessibilityObject*); | 28 static GlueAccessibilityObject* CreateInstance(WebCore::AccessibilityObject*); |
| 29 | 29 |
| 30 virtual ~GlueAccessibilityObject() {} |
| 31 |
| 30 // Performs the default action on a given object. | 32 // Performs the default action on a given object. |
| 31 bool DoDefaultAction(int child_id); | 33 bool DoDefaultAction(int child_id); |
| 32 | 34 |
| 33 // Retrieves the child element or child object at a given point on the screen. | 35 // Retrieves the child element or child object at a given point on the screen. |
| 34 GlueAccessibilityObject* HitTest(long x, long y); | 36 GlueAccessibilityObject* HitTest(long x, long y); |
| 35 | 37 |
| 36 // Retrieves the specified object's current screen location. | 38 // Retrieves the specified object's current screen location. |
| 37 bool Location(long* left, | 39 bool Location(long* left, |
| 38 long* top, | 40 long* top, |
| 39 long* width, | 41 long* width, |
| (...skipping 44 matching lines...) Expand 10 before | Expand all | Expand 10 after Loading... |
| 84 bool Value(int child_id, WebCore::String* value); | 86 bool Value(int child_id, WebCore::String* value); |
| 85 | 87 |
| 86 // WebCore::AccessiblityObjectWrapper. | 88 // WebCore::AccessiblityObjectWrapper. |
| 87 virtual void detach() { | 89 virtual void detach() { |
| 88 if (m_object) | 90 if (m_object) |
| 89 m_object = 0; | 91 m_object = 0; |
| 90 } | 92 } |
| 91 | 93 |
| 92 protected: | 94 protected: |
| 93 explicit GlueAccessibilityObject(WebCore::AccessibilityObject*); | 95 explicit GlueAccessibilityObject(WebCore::AccessibilityObject*); |
| 94 virtual ~GlueAccessibilityObject() {} | |
| 95 | 96 |
| 96 // Helper functions. | 97 // Helper functions. |
| 97 WebCore::String name() const; | 98 WebCore::String name() const; |
| 98 WebCore::String value() const; | 99 WebCore::String value() const; |
| 99 WebCore::String description() const; | 100 WebCore::String description() const; |
| 100 webkit_glue::WebAccessibility::Role role() const; | 101 webkit_glue::WebAccessibility::Role role() const; |
| 101 | 102 |
| 102 // Retrieves the AccessibilityObject for a given [child_id]. Returns false if | 103 // Retrieves the AccessibilityObject for a given [child_id]. Returns false if |
| 103 // [child_id] is less than 0, or if no valid AccessibilityObject is found. | 104 // [child_id] is less than 0, or if no valid AccessibilityObject is found. |
| 104 // A [child_id] of 0 is treated as referring to the current object itself. | 105 // A [child_id] of 0 is treated as referring to the current object itself. |
| 105 bool GetAccessibilityObjectForChild(int child_id, | 106 bool GetAccessibilityObjectForChild(int child_id, |
| 106 WebCore::AccessibilityObject*&) const; | 107 WebCore::AccessibilityObject*&) const; |
| 107 | 108 |
| 108 // Wraps the given AccessibilityObject in a GlueAccessibilityObject and | 109 // Wraps the given AccessibilityObject in a GlueAccessibilityObject and |
| 109 // returns it. If the AccessibilityObject already has a wrapper assigned, that | 110 // returns it. If the AccessibilityObject already has a wrapper assigned, that |
| 110 // one is returned. Otherwise, a new instance of GlueAccessibilityObject is | 111 // one is returned. Otherwise, a new instance of GlueAccessibilityObject is |
| 111 // created and assigned as the wrapper. | 112 // created and assigned as the wrapper. |
| 112 static GlueAccessibilityObject* ToWrapper(WebCore::AccessibilityObject*); | 113 static GlueAccessibilityObject* ToWrapper(WebCore::AccessibilityObject*); |
| 113 | 114 |
| 114 private: | 115 private: |
| 115 DISALLOW_COPY_AND_ASSIGN(GlueAccessibilityObject); | 116 DISALLOW_COPY_AND_ASSIGN(GlueAccessibilityObject); |
| 116 }; | 117 }; |
| 117 | 118 |
| 118 #endif // WEBKIT_GLUE_GLUE_ACCESSIBILITY_OBJECT_H_ | 119 #endif // WEBKIT_GLUE_GLUE_ACCESSIBILITY_OBJECT_H_ |
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