OLD | NEW |
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_STATE_IMPL_H_ | 5 #ifndef CONTENT_BROWSER_ACCESSIBILITY_BROWSER_ACCESSIBILITY_STATE_IMPL_H_ |
6 #define CONTENT_BROWSER_ACCESSIBILITY_BROWSER_ACCESSIBILITY_STATE_IMPL_H_ | 6 #define CONTENT_BROWSER_ACCESSIBILITY_BROWSER_ACCESSIBILITY_STATE_IMPL_H_ |
7 | 7 |
8 #include <vector> | 8 #include <vector> |
9 | 9 |
10 #include "base/basictypes.h" | 10 #include "base/basictypes.h" |
11 #include "base/compiler_specific.h" | 11 #include "base/compiler_specific.h" |
12 #include "base/memory/singleton.h" | 12 #include "base/memory/singleton.h" |
13 #include "content/common/view_message_enums.h" | |
14 #include "content/public/browser/browser_accessibility_state.h" | 13 #include "content/public/browser/browser_accessibility_state.h" |
15 | 14 |
16 namespace content { | 15 namespace content { |
17 | 16 |
18 // The BrowserAccessibilityState class is used to determine if Chrome should be | 17 // The BrowserAccessibilityState class is used to determine if Chrome should be |
19 // customized for users with assistive technology, such as screen readers. We | 18 // customized for users with assistive technology, such as screen readers. We |
20 // modify the behavior of certain user interfaces to provide a better experience | 19 // modify the behavior of certain user interfaces to provide a better experience |
21 // for screen reader users. The way we detect a screen reader program is | 20 // for screen reader users. The way we detect a screen reader program is |
22 // different for each platform. | 21 // different for each platform. |
23 // | 22 // |
(...skipping 17 matching lines...) Expand all Loading... |
41 static BrowserAccessibilityStateImpl* GetInstance(); | 40 static BrowserAccessibilityStateImpl* GetInstance(); |
42 | 41 |
43 virtual void EnableAccessibility() OVERRIDE; | 42 virtual void EnableAccessibility() OVERRIDE; |
44 virtual void DisableAccessibility() OVERRIDE; | 43 virtual void DisableAccessibility() OVERRIDE; |
45 virtual void OnScreenReaderDetected() OVERRIDE; | 44 virtual void OnScreenReaderDetected() OVERRIDE; |
46 virtual bool IsAccessibleBrowser() OVERRIDE; | 45 virtual bool IsAccessibleBrowser() OVERRIDE; |
47 virtual void AddHistogramCallback(base::Closure callback) OVERRIDE; | 46 virtual void AddHistogramCallback(base::Closure callback) OVERRIDE; |
48 | 47 |
49 virtual void UpdateHistogramsForTesting() OVERRIDE; | 48 virtual void UpdateHistogramsForTesting() OVERRIDE; |
50 | 49 |
51 AccessibilityMode accessibility_mode() const { return accessibility_mode_; }; | 50 unsigned int accessibility_mode() const { return accessibility_mode_; }; |
52 void SetAccessibilityMode(AccessibilityMode mode); | 51 void SetAccessibilityMode(unsigned int mode); |
53 | 52 void SetRendererAccessibilityMode(bool on); |
54 private: | 53 private: |
55 friend class base::RefCountedThreadSafe<BrowserAccessibilityStateImpl>; | 54 friend class base::RefCountedThreadSafe<BrowserAccessibilityStateImpl>; |
56 friend struct DefaultSingletonTraits<BrowserAccessibilityStateImpl>; | 55 friend struct DefaultSingletonTraits<BrowserAccessibilityStateImpl>; |
57 | 56 |
58 // Called a short while after startup to allow time for the accessibility | 57 // Called a short while after startup to allow time for the accessibility |
59 // state to be determined. Updates histograms with the current state. | 58 // state to be determined. Updates histograms with the current state. |
60 void UpdateHistograms(); | 59 void UpdateHistograms(); |
61 | 60 |
62 // Leaky singleton, destructor generally won't be called. | 61 // Leaky singleton, destructor generally won't be called. |
63 virtual ~BrowserAccessibilityStateImpl(); | 62 virtual ~BrowserAccessibilityStateImpl(); |
64 | 63 |
65 void UpdatePlatformSpecificHistograms(); | 64 void UpdatePlatformSpecificHistograms(); |
66 | 65 |
67 AccessibilityMode accessibility_mode_; | 66 unsigned int accessibility_mode_; |
68 | 67 |
69 std::vector<base::Closure> histogram_callbacks_; | 68 std::vector<base::Closure> histogram_callbacks_; |
70 | 69 |
71 DISALLOW_COPY_AND_ASSIGN(BrowserAccessibilityStateImpl); | 70 DISALLOW_COPY_AND_ASSIGN(BrowserAccessibilityStateImpl); |
72 }; | 71 }; |
73 | 72 |
74 } // namespace content | 73 } // namespace content |
75 | 74 |
76 #endif // CONTENT_BROWSER_ACCESSIBILITY_BROWSER_ACCESSIBILITY_STATE_IMPL_H_ | 75 #endif // CONTENT_BROWSER_ACCESSIBILITY_BROWSER_ACCESSIBILITY_STATE_IMPL_H_ |
OLD | NEW |