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| 1 // Copyright (c) 2013 The Chromium Authors. All rights reserved. | |
| 2 // Use of this source code is governed by a BSD-style license that can be | |
| 3 // found in the LICENSE file. | |
| 4 | |
| 5 #include "ui/views/accessibility/native_view_accessibility.h" | |
| 6 | |
| 7 #include "ui/accessibility/ax_view_state.h" | |
| 8 #include "ui/views/view.h" | |
| 9 #include "ui/views/widget/widget.h" | |
| 10 | |
| 11 namespace views { | |
| 12 | |
| 13 #if !defined(OS_WIN) | |
| 14 // static | |
| 15 NativeViewAccessibility* NativeViewAccessibility::Create(View* view) { | |
| 16 DCHECK(view); | |
| 17 NativeViewAccessibility* instance = new NativeViewAccessibility(); | |
| 18 instance->set_view(view); | |
| 19 return instance; | |
| 20 } | |
| 21 #endif | |
| 22 | |
| 23 NativeViewAccessibility::NativeViewAccessibility() | |
| 24 : view_(NULL), ax_node_(ui::AXPlatformNode::Create(this)) { | |
| 25 } | |
| 26 | |
| 27 NativeViewAccessibility::~NativeViewAccessibility() { | |
| 28 if (ax_node_) | |
| 29 ax_node_->Destroy(); | |
| 30 } | |
| 31 | |
| 32 gfx::NativeViewAccessible NativeViewAccessibility::GetNativeObject() { | |
| 33 return ax_node_ ? ax_node_->GetNativeViewAccessible() : NULL; | |
| 34 } | |
| 35 | |
| 36 void NativeViewAccessibility::Destroy() { | |
| 37 delete this; | |
| 38 } | |
| 39 | |
| 40 #if !defined(OS_WIN) | |
| 41 // static | |
| 42 void NativeViewAccessibility::RegisterWebView(View* web_view) { | |
| 43 } | |
| 44 | |
| 45 // static | |
| 46 void NativeViewAccessibility::UnregisterWebView(View* web_view) { | |
| 47 } | |
| 48 #endif | |
| 49 | |
| 50 // ui::AXPlatformNodeDelegate | |
| 51 | |
| 52 ui::AXNodeData* NativeViewAccessibility::GetData() { | |
| 53 ui::AXViewState state; | |
| 54 view_->GetAccessibleState(&state); | |
| 55 data_.role = state.role; | |
| 56 data_.location = view_->GetBoundsInScreen(); | |
| 57 return &data_; | |
| 58 } | |
| 59 | |
| 60 int NativeViewAccessibility::GetChildCount() { | |
| 61 return view_->child_count(); | |
| 62 } | |
| 63 | |
| 64 gfx::NativeViewAccessible NativeViewAccessibility::ChildAtIndex(int index) { | |
| 65 if (index < 0 || index >= view_->child_count()) | |
| 66 return NULL; | |
| 67 return view_->child_at(index)->GetNativeViewAccessible(); | |
| 68 } | |
| 69 | |
| 70 gfx::NativeViewAccessible NativeViewAccessibility::GetParent() { | |
| 71 if (view_->parent()) | |
| 72 return view_->parent()->GetNativeViewAccessible(); | |
| 73 | |
| 74 #if defined(OS_MACOSX) | |
| 75 if (view_->GetWidget()) | |
| 76 return view_->GetWidget()->GetNativeView(); | |
| 77 #endif | |
| 78 | |
| 79 return NULL; | |
| 80 } | |
| 81 | |
| 82 gfx::Vector2d NativeViewAccessibility::GetGlobalCoordinateOffset() { | |
| 83 return gfx::Vector2d(0, 0); // location is already in screen coordinates. | |
| 84 } | |
| 85 | |
| 86 void NativeViewAccessibility::NotifyAccessibilityEvent(ui::AXEvent event_type) { | |
| 87 } | |
| 88 | |
| 89 } // namespace views | |
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