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      1 // Copyright 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 #ifndef CONTENT_BROWSER_ACCESSIBILITY_BROWSER_ACCESSIBILITY_ANDROID_H_
      6 #define CONTENT_BROWSER_ACCESSIBILITY_BROWSER_ACCESSIBILITY_ANDROID_H_
      7 
      8 #include "base/android/scoped_java_ref.h"
      9 #include "content/browser/accessibility/browser_accessibility.h"
     10 
     11 namespace content {
     12 
     13 class BrowserAccessibilityAndroid : public BrowserAccessibility {
     14  public:
     15   // Overrides from BrowserAccessibility.
     16   virtual void OnDataChanged() OVERRIDE;
     17   virtual bool IsNative() const OVERRIDE;
     18   virtual void OnLocationChanged() OVERRIDE;
     19 
     20   virtual bool PlatformIsLeaf() const OVERRIDE;
     21 
     22   bool IsCheckable() const;
     23   bool IsChecked() const;
     24   bool IsClickable() const;
     25   bool IsCollection() const;
     26   bool IsCollectionItem() const;
     27   bool IsContentInvalid() const;
     28   bool IsDismissable() const;
     29   bool IsEnabled() const;
     30   bool IsFocusable() const;
     31   bool IsFocused() const;
     32   bool IsHeading() const;
     33   bool IsHierarchical() const;
     34   bool IsLink() const;
     35   bool IsMultiLine() const;
     36   bool IsPassword() const;
     37   bool IsRangeType() const;
     38   bool IsScrollable() const;
     39   bool IsSelected() const;
     40   bool IsVisibleToUser() const;
     41 
     42   bool CanOpenPopup() const;
     43 
     44   bool HasFocusableChild() const;
     45 
     46   const char* GetClassName() const;
     47   base::string16 GetText() const;
     48 
     49   int GetItemIndex() const;
     50   int GetItemCount() const;
     51 
     52   int GetScrollX() const;
     53   int GetScrollY() const;
     54   int GetMaxScrollX() const;
     55   int GetMaxScrollY() const;
     56 
     57   int GetTextChangeFromIndex() const;
     58   int GetTextChangeAddedCount() const;
     59   int GetTextChangeRemovedCount() const;
     60   base::string16 GetTextChangeBeforeText() const;
     61 
     62   int GetSelectionStart() const;
     63   int GetSelectionEnd() const;
     64   int GetEditableTextLength() const;
     65 
     66   int AndroidInputType() const;
     67   int AndroidLiveRegionType() const;
     68   int AndroidRangeType() const;
     69 
     70   int RowCount() const;
     71   int ColumnCount() const;
     72 
     73   int RowIndex() const;
     74   int RowSpan() const;
     75   int ColumnIndex() const;
     76   int ColumnSpan() const;
     77 
     78   float RangeMin() const;
     79   float RangeMax() const;
     80   float RangeCurrentValue() const;
     81 
     82  private:
     83   // This gives BrowserAccessibility::Create access to the class constructor.
     84   friend class BrowserAccessibility;
     85 
     86   BrowserAccessibilityAndroid();
     87 
     88   bool HasOnlyStaticTextChildren() const;
     89   bool IsIframe() const;
     90 
     91   void NotifyLiveRegionUpdate(base::string16& aria_live);
     92 
     93   int CountChildrenWithRole(ui::AXRole role) const;
     94 
     95   base::string16 cached_text_;
     96   bool first_time_;
     97   base::string16 old_value_;
     98   base::string16 new_value_;
     99 
    100   DISALLOW_COPY_AND_ASSIGN(BrowserAccessibilityAndroid);
    101 };
    102 
    103 }  // namespace content
    104 
    105 #endif // CONTENT_BROWSER_ACCESSIBILITY_BROWSER_ACCESSIBILITY_ANDROID_H_
    106