| OLD | NEW |
|---|
| (Empty) |
| 1 // Copyright (c) 2011 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 CHROME_BROWSER_UI_VIEWS_ACCESSIBLE_VIEW_HELPER_H_ | |
| 6 #define CHROME_BROWSER_UI_VIEWS_ACCESSIBLE_VIEW_HELPER_H_ | |
| 7 #pragma once | |
| 8 | |
| 9 #include <string> | |
| 10 #include <vector> | |
| 11 | |
| 12 #include "base/basictypes.h" | |
| 13 #include "base/scoped_ptr.h" | |
| 14 #include "base/singleton.h" | |
| 15 #include "chrome/browser/accessibility_events.h" | |
| 16 #include "ui/gfx/native_widget_types.h" | |
| 17 | |
| 18 #if defined(OS_LINUX) | |
| 19 #include "chrome/browser/ui/gtk/accessible_widget_helper_gtk.h" | |
| 20 #endif | |
| 21 | |
| 22 class AccessibilityEventRouterViews; | |
| 23 class Profile; | |
| 24 namespace views { | |
| 25 class View; | |
| 26 } | |
| 27 | |
| 28 // NOTE: This class is part of the Accessibility Extension API, which lets | |
| 29 // extensions receive accessibility events. It's distinct from code that | |
| 30 // implements platform accessibility APIs like MSAA or ATK. | |
| 31 // | |
| 32 // Helper class that helps to manage the accessibility information for a | |
| 33 // view and all of its descendants. Create an instance of this class for | |
| 34 // the root of a tree of views (like a dialog) that should send accessibility | |
| 35 // events for all of its descendants. | |
| 36 // | |
| 37 // Most controls have default behavior for accessibility; when this needs | |
| 38 // to be augmented, call one of the methods below to ignore a particular | |
| 39 // view or change its details. | |
| 40 // | |
| 41 // All of the information managed by this class is registered with the | |
| 42 // (global) AccessibilityEventRouterViews and unregistered when this object is | |
| 43 // destroyed. | |
| 44 class AccessibleViewHelper { | |
| 45 public: | |
| 46 // Constructs an AccessibleViewHelper that makes the given view and all | |
| 47 // of its descendants accessible for the lifetime of this object, | |
| 48 // sending accessibility notifications to the given profile. | |
| 49 AccessibleViewHelper(views::View* view_tree, Profile* profile); | |
| 50 | |
| 51 virtual ~AccessibleViewHelper(); | |
| 52 | |
| 53 // Sends a notification that a new window was opened now, and a | |
| 54 // corresponding close window notification when this object | |
| 55 // goes out of scope. | |
| 56 void SendOpenWindowNotification(const std::string& window_title); | |
| 57 | |
| 58 // Uses the following string as the name of this view, instead of | |
| 59 // view->GetAccessibleName(). | |
| 60 void SetViewName(views::View* view, std::string name); | |
| 61 | |
| 62 // Uses the following string id as the name of this view, instead of | |
| 63 // view->GetAccessibleName(). | |
| 64 void SetViewName(views::View* view, int string_id); | |
| 65 | |
| 66 private: | |
| 67 // Returns a native view if the given view has a native view in it. | |
| 68 gfx::NativeView GetNativeView(views::View* view) const; | |
| 69 | |
| 70 AccessibilityEventRouterViews* accessibility_event_router_; | |
| 71 Profile* profile_; | |
| 72 views::View* view_tree_; | |
| 73 std::string window_title_; | |
| 74 std::vector<views::View*> managed_views_; | |
| 75 | |
| 76 #if defined(OS_LINUX) | |
| 77 scoped_ptr<AccessibleWidgetHelper> widget_helper_; | |
| 78 #endif | |
| 79 | |
| 80 DISALLOW_COPY_AND_ASSIGN(AccessibleViewHelper); | |
| 81 }; | |
| 82 | |
| 83 #endif // CHROME_BROWSER_UI_VIEWS_ACCESSIBLE_VIEW_HELPER_H_ | |
| OLD | NEW |
|---|
Chromium Code Reviews
Issue 6312160:
Map Views to Profiles directly from their window, eliminating the need... (Closed)
Base URL: svn://chrome-svn/chrome/trunk/src/