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Side by Side Diff: content/browser/accessibility/browser_accessibility_manager.h

Issue 246773008: RWHI should implement BrowserAccessibilityDelegate (Closed) Base URL: svn://svn.chromium.org/chrome/trunk/src
Patch Set: Fix Mac tests Created 6 years, 8 months ago
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1 // Copyright (c) 2012 The Chromium Authors. All rights reserved. 1 // Copyright (c) 2012 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 CONTENT_BROWSER_ACCESSIBILITY_BROWSER_ACCESSIBILITY_MANAGER_H_ 5 #ifndef CONTENT_BROWSER_ACCESSIBILITY_BROWSER_ACCESSIBILITY_MANAGER_H_
6 #define CONTENT_BROWSER_ACCESSIBILITY_BROWSER_ACCESSIBILITY_MANAGER_H_ 6 #define CONTENT_BROWSER_ACCESSIBILITY_BROWSER_ACCESSIBILITY_MANAGER_H_
7 7
8 #include <vector> 8 #include <vector>
9 9
10 #include "base/containers/hash_tables.h" 10 #include "base/containers/hash_tables.h"
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38 const ui::AXNodeData& node5 = ui::AXNodeData(), 38 const ui::AXNodeData& node5 = ui::AXNodeData(),
39 const ui::AXNodeData& node6 = ui::AXNodeData(), 39 const ui::AXNodeData& node6 = ui::AXNodeData(),
40 const ui::AXNodeData& node7 = ui::AXNodeData(), 40 const ui::AXNodeData& node7 = ui::AXNodeData(),
41 const ui::AXNodeData& node8 = ui::AXNodeData(), 41 const ui::AXNodeData& node8 = ui::AXNodeData(),
42 const ui::AXNodeData& node9 = ui::AXNodeData()); 42 const ui::AXNodeData& node9 = ui::AXNodeData());
43 43
44 // Class that can perform actions on behalf of the BrowserAccessibilityManager. 44 // Class that can perform actions on behalf of the BrowserAccessibilityManager.
45 class CONTENT_EXPORT BrowserAccessibilityDelegate { 45 class CONTENT_EXPORT BrowserAccessibilityDelegate {
46 public: 46 public:
47 virtual ~BrowserAccessibilityDelegate() {} 47 virtual ~BrowserAccessibilityDelegate() {}
48 virtual void SetAccessibilityFocus(int acc_obj_id) = 0; 48 virtual void AccessibilitySetFocus(int acc_obj_id) = 0;
49 virtual void AccessibilityDoDefaultAction(int acc_obj_id) = 0; 49 virtual void AccessibilityDoDefaultAction(int acc_obj_id) = 0;
50 virtual void AccessibilityShowMenu(int acc_obj_id) = 0;
50 virtual void AccessibilityScrollToMakeVisible( 51 virtual void AccessibilityScrollToMakeVisible(
51 int acc_obj_id, gfx::Rect subfocus) = 0; 52 int acc_obj_id, gfx::Rect subfocus) = 0;
52 virtual void AccessibilityScrollToPoint( 53 virtual void AccessibilityScrollToPoint(
53 int acc_obj_id, gfx::Point point) = 0; 54 int acc_obj_id, gfx::Point point) = 0;
54 virtual void AccessibilitySetTextSelection( 55 virtual void AccessibilitySetTextSelection(
55 int acc_obj_id, int start_offset, int end_offset) = 0; 56 int acc_obj_id, int start_offset, int end_offset) = 0;
56 virtual bool HasFocus() const = 0; 57 virtual bool AccessibilityViewHasFocus() const = 0;
57 virtual gfx::Rect GetViewBounds() const = 0; 58 virtual gfx::Rect AccessibilityGetViewBounds() const = 0;
58 virtual gfx::Point GetLastTouchEventLocation() const = 0; 59 virtual gfx::Point AccessibilityOriginInScreen(
59 virtual void FatalAccessibilityTreeError() = 0; 60 const gfx::Rect& bounds) const = 0;
61 virtual void AccessibilityFatalError() = 0;
60 }; 62 };
61 63
62 class CONTENT_EXPORT BrowserAccessibilityFactory { 64 class CONTENT_EXPORT BrowserAccessibilityFactory {
63 public: 65 public:
64 virtual ~BrowserAccessibilityFactory() {} 66 virtual ~BrowserAccessibilityFactory() {}
65 67
66 // Create an instance of BrowserAccessibility and return a new 68 // Create an instance of BrowserAccessibility and return a new
67 // reference to it. 69 // reference to it.
68 virtual BrowserAccessibility* Create(); 70 virtual BrowserAccessibility* Create();
69 }; 71 };
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151 #endif 153 #endif
152 154
153 #if defined(OS_ANDROID) 155 #if defined(OS_ANDROID)
154 BrowserAccessibilityManagerAndroid* ToBrowserAccessibilityManagerAndroid(); 156 BrowserAccessibilityManagerAndroid* ToBrowserAccessibilityManagerAndroid();
155 #endif 157 #endif
156 158
157 // Return the object that has focus, if it's a descandant of the 159 // Return the object that has focus, if it's a descandant of the
158 // given root (inclusive). Does not make a new reference. 160 // given root (inclusive). Does not make a new reference.
159 BrowserAccessibility* GetFocus(BrowserAccessibility* root); 161 BrowserAccessibility* GetFocus(BrowserAccessibility* root);
160 162
161 // Is the on-screen keyboard allowed to be shown, in response to a
162 // focus event on a text box?
163 bool IsOSKAllowed(const gfx::Rect& bounds);
164
165 // True by default, but some platforms want to treat the root 163 // True by default, but some platforms want to treat the root
166 // scroll offsets separately. 164 // scroll offsets separately.
167 virtual bool UseRootScrollOffsetsWhenComputingBounds(); 165 virtual bool UseRootScrollOffsetsWhenComputingBounds();
168 166
169 // Walk the tree. 167 // Walk the tree.
170 BrowserAccessibility* NextInTreeOrder(BrowserAccessibility* node); 168 BrowserAccessibility* NextInTreeOrder(BrowserAccessibility* node);
171 BrowserAccessibility* PreviousInTreeOrder(BrowserAccessibility* node); 169 BrowserAccessibility* PreviousInTreeOrder(BrowserAccessibility* node);
172 170
173 // AXTreeDelegate implementation. 171 // AXTreeDelegate implementation.
174 virtual void OnNodeWillBeDeleted(ui::AXNode* node) OVERRIDE; 172 virtual void OnNodeWillBeDeleted(ui::AXNode* node) OVERRIDE;
175 virtual void OnNodeCreated(ui::AXNode* node) OVERRIDE; 173 virtual void OnNodeCreated(ui::AXNode* node) OVERRIDE;
176 virtual void OnNodeChanged(ui::AXNode* node) OVERRIDE; 174 virtual void OnNodeChanged(ui::AXNode* node) OVERRIDE;
177 virtual void OnNodeCreationFinished(ui::AXNode* node) OVERRIDE; 175 virtual void OnNodeCreationFinished(ui::AXNode* node) OVERRIDE;
178 virtual void OnNodeChangeFinished(ui::AXNode* node) OVERRIDE; 176 virtual void OnNodeChangeFinished(ui::AXNode* node) OVERRIDE;
179 virtual void OnRootChanged(ui::AXNode* new_root) OVERRIDE {} 177 virtual void OnRootChanged(ui::AXNode* new_root) OVERRIDE {}
180 178
179 BrowserAccessibilityDelegate* delegate() const { return delegate_; }
180
181 protected: 181 protected:
182 BrowserAccessibilityManager( 182 BrowserAccessibilityManager(
183 BrowserAccessibilityDelegate* delegate, 183 BrowserAccessibilityDelegate* delegate,
184 BrowserAccessibilityFactory* factory); 184 BrowserAccessibilityFactory* factory);
185 185
186 BrowserAccessibilityManager( 186 BrowserAccessibilityManager(
187 const ui::AXTreeUpdate& initial_tree, 187 const ui::AXTreeUpdate& initial_tree,
188 BrowserAccessibilityDelegate* delegate, 188 BrowserAccessibilityDelegate* delegate,
189 BrowserAccessibilityFactory* factory); 189 BrowserAccessibilityFactory* factory);
190 190
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244 244
245 // The on-screen keyboard state. 245 // The on-screen keyboard state.
246 OnScreenKeyboardState osk_state_; 246 OnScreenKeyboardState osk_state_;
247 247
248 DISALLOW_COPY_AND_ASSIGN(BrowserAccessibilityManager); 248 DISALLOW_COPY_AND_ASSIGN(BrowserAccessibilityManager);
249 }; 249 };
250 250
251 } // namespace content 251 } // namespace content
252 252
253 #endif // CONTENT_BROWSER_ACCESSIBILITY_BROWSER_ACCESSIBILITY_MANAGER_H_ 253 #endif // CONTENT_BROWSER_ACCESSIBILITY_BROWSER_ACCESSIBILITY_MANAGER_H_
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