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Unified Diff: chrome/browser/accessibility/browser_accessibility_manager.h

Issue 3591003: Make BrowserAccessibilityManager cross platform. Step 1.... (Closed) Base URL: svn://chrome-svn/chrome/trunk/src/
Patch Set: Some cleanup. Created 10 years, 3 months ago
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Index: chrome/browser/accessibility/browser_accessibility_manager.h
===================================================================
--- chrome/browser/accessibility/browser_accessibility_manager.h (revision 0)
+++ chrome/browser/accessibility/browser_accessibility_manager.h (revision 0)
@@ -0,0 +1,76 @@
+// Copyright (c) 2010 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+#ifndef CHROME_BROWSER_ACCESSIBILITY_BROWSER_ACCESSIBILITY_MANAGER_H_
+#define CHROME_BROWSER_ACCESSIBILITY_BROWSER_ACCESSIBILITY_MANAGER_H_
+#pragma once
+
+#include "build/build_config.h"
+
+#if defined(OS_WIN)
+#include <oleacc.h>
+#endif
+
+#include <vector>
+
+#include "gfx/native_widget_types.h"
+#include "webkit/glue/webaccessibility.h"
+
+struct ViewHostMsg_AccessibilityNotification_Params;
+
+using webkit_glue::WebAccessibility;
+
+// Class that can perform actions on behalf of the BrowserAccessibilityManager.
+class BrowserAccessibilityDelegate {
+ public:
+ virtual ~BrowserAccessibilityDelegate() {}
+ virtual void SetAccessibilityFocus(int acc_obj_id) = 0;
+ virtual void AccessibilityDoDefaultAction(int acc_obj_id) = 0;
+};
+
+// Manages a tree of BrowserAccessibility objects.
+class BrowserAccessibilityManager {
+ public:
+ // Creates the platform specific BrowserAccessibilityManager. Ownership passes
+ // to the caller.
+ static BrowserAccessibilityManager* Create(
+ gfx::NativeWindow parent_window,
+ const webkit_glue::WebAccessibility& src,
+ BrowserAccessibilityDelegate* delegate);
+
+ virtual ~BrowserAccessibilityManager();
+
+ // Called when the renderer process has notified us of about tree changes.
+ // Send a notification to MSAA clients of the change.
+ void OnAccessibilityNotifications(
+ const std::vector<ViewHostMsg_AccessibilityNotification_Params>& params);
+
+ gfx::NativeWindow GetParentWindow();
+
+#if defined(OS_WIN)
+ virtual IAccessible* GetRootAccessible() = 0;
+#endif
+
+ protected:
+ explicit BrowserAccessibilityManager(gfx::NativeWindow parent_window);
+
+ virtual void OnAccessibilityObjectStateChange(
+ const webkit_glue::WebAccessibility& acc_obj) = 0;
+ virtual void OnAccessibilityObjectChildrenChange(
+ const webkit_glue::WebAccessibility& acc_obj) = 0;
+ virtual void OnAccessibilityObjectFocusChange(
+ const webkit_glue::WebAccessibility& acc_obj) = 0;
+ virtual void OnAccessibilityObjectLoadComplete(
+ const webkit_glue::WebAccessibility& acc_obj) = 0;
+ virtual void OnAccessibilityObjectValueChange(
+ const webkit_glue::WebAccessibility& acc_obj) = 0;
+
+ private:
+ // The parent window.
+ gfx::NativeWindow parent_window_;
+
+ DISALLOW_COPY_AND_ASSIGN(BrowserAccessibilityManager);
+};
+
+#endif // CHROME_BROWSER_ACCESSIBILITY_BROWSER_ACCESSIBILITY_MANAGER_H_
Property changes on: chrome\browser\accessibility\browser_accessibility_manager.h
___________________________________________________________________
Added: svn:eol-style
+ LF

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