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| 1 // Copyright (c) 2013 The Chromium Authors. All rights reserved. | 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 | 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 #include "ui/views/accessibility/native_view_accessibility_base.h" | 5 #include "ui/views/accessibility/native_view_accessibility_base.h" |
| 6 | 6 |
| 7 #include "base/memory/ptr_util.h" | 7 #include "base/memory/ptr_util.h" |
| 8 #include "base/strings/utf_string_conversions.h" | 8 #include "base/strings/utf_string_conversions.h" |
| 9 #include "ui/events/event_utils.h" | 9 #include "ui/events/event_utils.h" |
| 10 #include "ui/gfx/native_widget_types.h" | 10 #include "ui/gfx/native_widget_types.h" |
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| 29 | 29 |
| 30 gfx::NativeViewAccessible NativeViewAccessibilityBase::GetNativeObject() { | 30 gfx::NativeViewAccessible NativeViewAccessibilityBase::GetNativeObject() { |
| 31 return ax_node_->GetNativeViewAccessible(); | 31 return ax_node_->GetNativeViewAccessible(); |
| 32 } | 32 } |
| 33 | 33 |
| 34 void NativeViewAccessibilityBase::NotifyAccessibilityEvent( | 34 void NativeViewAccessibilityBase::NotifyAccessibilityEvent( |
| 35 ui::AXEvent event_type) { | 35 ui::AXEvent event_type) { |
| 36 ax_node_->NotifyAccessibilityEvent(event_type); | 36 ax_node_->NotifyAccessibilityEvent(event_type); |
| 37 } | 37 } |
| 38 | 38 |
| 39 bool NativeViewAccessibilityBase::SetFocused(bool focused) { | |
| 40 if (!ui::AXNodeData::IsFlagSet(GetData().state, ui::AX_STATE_FOCUSABLE)) | |
| 41 return false; | |
| 42 | |
| 43 if (focused) | |
| 44 view_->RequestFocus(); | |
| 45 else if (view_->HasFocus()) | |
| 46 view_->GetFocusManager()->ClearFocus(); | |
| 47 return true; | |
| 48 } | |
| 49 | |
| 50 // ui::AXPlatformNodeDelegate | 39 // ui::AXPlatformNodeDelegate |
| 51 | 40 |
| 52 const ui::AXNodeData& NativeViewAccessibilityBase::GetData() const { | 41 const ui::AXNodeData& NativeViewAccessibilityBase::GetData() const { |
| 53 data_ = ui::AXNodeData(); | 42 data_ = ui::AXNodeData(); |
| 54 data_.state = 0; | 43 data_.state = 0; |
| 55 | 44 |
| 56 // Views may misbehave if their widget is closed; return an unknown role | 45 // Views may misbehave if their widget is closed; return an unknown role |
| 57 // rather than possibly crashing. | 46 // rather than possibly crashing. |
| 58 if (!view_->GetWidget() || view_->GetWidget()->IsClosed()) { | 47 if (!view_->GetWidget() || view_->GetWidget()->IsClosed()) { |
| 59 data_.role = ui::AX_ROLE_UNKNOWN; | 48 data_.role = ui::AX_ROLE_UNKNOWN; |
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| 172 return focused_view ? focused_view->GetNativeViewAccessible() : nullptr; | 161 return focused_view ? focused_view->GetNativeViewAccessible() : nullptr; |
| 173 } | 162 } |
| 174 | 163 |
| 175 gfx::AcceleratedWidget | 164 gfx::AcceleratedWidget |
| 176 NativeViewAccessibilityBase::GetTargetForNativeAccessibilityEvent() { | 165 NativeViewAccessibilityBase::GetTargetForNativeAccessibilityEvent() { |
| 177 return gfx::kNullAcceleratedWidget; | 166 return gfx::kNullAcceleratedWidget; |
| 178 } | 167 } |
| 179 | 168 |
| 180 bool NativeViewAccessibilityBase::AccessibilityPerformAction( | 169 bool NativeViewAccessibilityBase::AccessibilityPerformAction( |
| 181 const ui::AXActionData& data) { | 170 const ui::AXActionData& data) { |
| 182 switch (data.action) { | 171 return view_->HandleAccessibleAction(data); |
| 183 // Handle accessible actions that apply to all Views here. | |
| 184 case ui::AX_ACTION_DO_DEFAULT: | |
| 185 DoDefaultAction(); | |
| 186 return true; | |
| 187 case ui::AX_ACTION_FOCUS: | |
| 188 return SetFocused(true); | |
| 189 case ui::AX_ACTION_BLUR: | |
| 190 return SetFocused(false); | |
| 191 | |
| 192 case ui::AX_ACTION_NONE: | |
| 193 NOTREACHED(); | |
| 194 break; | |
| 195 | |
| 196 // All other actions can potentially be dealt with by the View itself. | |
| 197 default: | |
| 198 return view_->HandleAccessibleAction(data); | |
| 199 break; | |
| 200 } | |
| 201 return false; | |
| 202 } | |
| 203 | |
| 204 void NativeViewAccessibilityBase::DoDefaultAction() { | |
| 205 gfx::Point center = view_->GetLocalBounds().CenterPoint(); | |
| 206 view_->OnMousePressed(ui::MouseEvent( | |
| 207 ui::ET_MOUSE_PRESSED, center, center, ui::EventTimeForNow(), | |
| 208 ui::EF_LEFT_MOUSE_BUTTON, ui::EF_LEFT_MOUSE_BUTTON)); | |
| 209 view_->OnMouseReleased(ui::MouseEvent( | |
| 210 ui::ET_MOUSE_RELEASED, center, center, ui::EventTimeForNow(), | |
| 211 ui::EF_LEFT_MOUSE_BUTTON, ui::EF_LEFT_MOUSE_BUTTON)); | |
| 212 } | 172 } |
| 213 | 173 |
| 214 void NativeViewAccessibilityBase::OnWidgetDestroying(Widget* widget) { | 174 void NativeViewAccessibilityBase::OnWidgetDestroying(Widget* widget) { |
| 215 if (parent_widget_ == widget) { | 175 if (parent_widget_ == widget) { |
| 216 parent_widget_->RemoveObserver(this); | 176 parent_widget_->RemoveObserver(this); |
| 217 parent_widget_ = nullptr; | 177 parent_widget_ = nullptr; |
| 218 } | 178 } |
| 219 } | 179 } |
| 220 | 180 |
| 221 void NativeViewAccessibilityBase::SetParentWidget(Widget* parent_widget) { | 181 void NativeViewAccessibilityBase::SetParentWidget(Widget* parent_widget) { |
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| 256 child_widget_platform_node->GetDelegate()); | 216 child_widget_platform_node->GetDelegate()); |
| 257 if (child_widget_view_accessibility->parent_widget() != widget) | 217 if (child_widget_view_accessibility->parent_widget() != widget) |
| 258 child_widget_view_accessibility->SetParentWidget(widget); | 218 child_widget_view_accessibility->SetParentWidget(widget); |
| 259 } | 219 } |
| 260 | 220 |
| 261 result_child_widgets->push_back(child_widget); | 221 result_child_widgets->push_back(child_widget); |
| 262 } | 222 } |
| 263 } | 223 } |
| 264 | 224 |
| 265 } // namespace views | 225 } // namespace views |
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