[email protected] | b2ae783 | 2012-02-11 00:28:00 | [diff] [blame] | 1 | // Copyright (c) 2012 The Chromium Authors. All rights reserved. |
[email protected] | c5c2a67 | 2010-10-01 23:28:04 | [diff] [blame] | 2 | // Use of this source code is governed by a BSD-style license that can be |
3 | // found in the LICENSE file. | ||||
4 | |||||
[email protected] | ba1fa65 | 2011-06-25 05:16:22 | [diff] [blame] | 5 | #ifndef CONTENT_BROWSER_ACCESSIBILITY_BROWSER_ACCESSIBILITY_MANAGER_WIN_H_ |
6 | #define CONTENT_BROWSER_ACCESSIBILITY_BROWSER_ACCESSIBILITY_MANAGER_WIN_H_ | ||||
[email protected] | c5c2a67 | 2010-10-01 23:28:04 | [diff] [blame] | 7 | |
[email protected] | 20bb006 | 2010-10-06 21:24:37 | [diff] [blame] | 8 | #include <oleacc.h> |
9 | |||||
[email protected] | f3be3343 | 2013-10-18 03:36:15 | [diff] [blame] | 10 | #include "base/memory/scoped_ptr.h" |
[email protected] | 8ee65ba | 2011-04-12 20:53:23 | [diff] [blame] | 11 | #include "base/win/scoped_comptr.h" |
[email protected] | ba1fa65 | 2011-06-25 05:16:22 | [diff] [blame] | 12 | #include "content/browser/accessibility/browser_accessibility_manager.h" |
[email protected] | c5c2a67 | 2010-10-01 23:28:04 | [diff] [blame] | 13 | |
[email protected] | e6b3487 | 2012-10-24 20:51:32 | [diff] [blame] | 14 | namespace content { |
[email protected] | c5c2a67 | 2010-10-01 23:28:04 | [diff] [blame] | 15 | class BrowserAccessibilityWin; |
[email protected] | c5c2a67 | 2010-10-01 23:28:04 | [diff] [blame] | 16 | |
[email protected] | d5169a9 | 2014-02-07 00:00:30 | [diff] [blame] | 17 | class LegacyRenderWidgetHostHWND; |
[email protected] | f3be3343 | 2013-10-18 03:36:15 | [diff] [blame] | 18 | |
[email protected] | c5c2a67 | 2010-10-01 23:28:04 | [diff] [blame] | 19 | // Manages a tree of BrowserAccessibilityWin objects. |
[email protected] | a6120e3 | 2013-03-15 11:07:35 | [diff] [blame] | 20 | class CONTENT_EXPORT BrowserAccessibilityManagerWin |
21 | : public BrowserAccessibilityManager { | ||||
[email protected] | c5c2a67 | 2010-10-01 23:28:04 | [diff] [blame] | 22 | public: |
[email protected] | a6120e3 | 2013-03-15 11:07:35 | [diff] [blame] | 23 | BrowserAccessibilityManagerWin( |
[email protected] | d5169a9 | 2014-02-07 00:00:30 | [diff] [blame] | 24 | content::LegacyRenderWidgetHostHWND* accessible_hwnd, |
[email protected] | a6120e3 | 2013-03-15 11:07:35 | [diff] [blame] | 25 | IAccessible* parent_iaccessible, |
[email protected] | d96f384 | 2014-04-21 18:07:29 | [diff] [blame] | 26 | const ui::AXTreeUpdate& initial_tree, |
[email protected] | a6120e3 | 2013-03-15 11:07:35 | [diff] [blame] | 27 | BrowserAccessibilityDelegate* delegate, |
28 | BrowserAccessibilityFactory* factory = new BrowserAccessibilityFactory()); | ||||
29 | |||||
[email protected] | c5c2a67 | 2010-10-01 23:28:04 | [diff] [blame] | 30 | virtual ~BrowserAccessibilityManagerWin(); |
31 | |||||
[email protected] | d96f384 | 2014-04-21 18:07:29 | [diff] [blame] | 32 | static ui::AXTreeUpdate GetEmptyDocument(); |
[email protected] | a6120e3 | 2013-03-15 11:07:35 | [diff] [blame] | 33 | |
34 | // Get the closest containing HWND. | ||||
[email protected] | afe8375 | 2013-03-20 01:58:41 | [diff] [blame] | 35 | HWND parent_hwnd() { return parent_hwnd_; } |
[email protected] | a6120e3 | 2013-03-15 11:07:35 | [diff] [blame] | 36 | |
[email protected] | afe8375 | 2013-03-20 01:58:41 | [diff] [blame] | 37 | // The IAccessible for the parent window. |
38 | IAccessible* parent_iaccessible() { return parent_iaccessible_; } | ||||
39 | void set_parent_iaccessible(IAccessible* parent_iaccessible) { | ||||
40 | parent_iaccessible_ = parent_iaccessible; | ||||
41 | } | ||||
[email protected] | c5c2a67 | 2010-10-01 23:28:04 | [diff] [blame] | 42 | |
[email protected] | 9dc9d503 | 2014-06-13 06:57:49 | [diff] [blame^] | 43 | void SetAccessibleHWND(LegacyRenderWidgetHostHWND* accessible_hwnd); |
44 | |||||
[email protected] | 3144b89 | 2013-05-25 01:14:45 | [diff] [blame] | 45 | // Calls NotifyWinEvent if the parent window's IAccessible pointer is known. |
46 | void MaybeCallNotifyWinEvent(DWORD event, LONG child_id); | ||||
47 | |||||
[email protected] | d96f384 | 2014-04-21 18:07:29 | [diff] [blame] | 48 | // AXTree methods |
49 | virtual void OnNodeWillBeDeleted(ui::AXNode* node) OVERRIDE; | ||||
50 | virtual void OnNodeCreated(ui::AXNode* node) OVERRIDE; | ||||
51 | |||||
[email protected] | f27e81c | 2010-10-07 05:20:23 | [diff] [blame] | 52 | // BrowserAccessibilityManager methods |
[email protected] | df978442 | 2014-04-03 19:00:28 | [diff] [blame] | 53 | virtual void OnWindowFocused() OVERRIDE; |
54 | virtual void OnWindowBlurred() OVERRIDE; | ||||
[email protected] | 10760e4a | 2013-09-04 23:32:20 | [diff] [blame] | 55 | virtual void NotifyAccessibilityEvent( |
[email protected] | 5eec2f5 | 2014-01-06 22:30:54 | [diff] [blame] | 56 | ui::AXEvent event_type, BrowserAccessibility* node) OVERRIDE; |
[email protected] | c5c2a67 | 2010-10-01 23:28:04 | [diff] [blame] | 57 | |
[email protected] | b2ae783 | 2012-02-11 00:28:00 | [diff] [blame] | 58 | // Track this object and post a VISIBLE_DATA_CHANGED notification when |
59 | // its container scrolls. | ||||
60 | // TODO(dmazzoni): remove once http://crbug.com/113483 is fixed. | ||||
61 | void TrackScrollingObject(BrowserAccessibilityWin* node); | ||||
62 | |||||
[email protected] | d1ba019 | 2013-04-10 04:36:22 | [diff] [blame] | 63 | // Return a pointer to the object corresponding to the given windows-specific |
64 | // unique id, does not make a new reference. | ||||
65 | BrowserAccessibilityWin* GetFromUniqueIdWin(LONG unique_id_win); | ||||
66 | |||||
[email protected] | a6b2aa5 | 2013-11-30 05:16:02 | [diff] [blame] | 67 | // Called when |accessible_hwnd_| is deleted by its parent. |
68 | void OnAccessibleHwndDeleted(); | ||||
69 | |||||
[email protected] | 2aafe92 | 2014-04-08 08:26:50 | [diff] [blame] | 70 | protected: |
71 | // BrowserAccessibilityManager methods | ||||
[email protected] | d96f384 | 2014-04-21 18:07:29 | [diff] [blame] | 72 | virtual void OnRootChanged(ui::AXNode* new_root) OVERRIDE; |
[email protected] | 2aafe92 | 2014-04-08 08:26:50 | [diff] [blame] | 73 | |
[email protected] | c5c2a67 | 2010-10-01 23:28:04 | [diff] [blame] | 74 | private: |
[email protected] | a6120e3 | 2013-03-15 11:07:35 | [diff] [blame] | 75 | // The closest ancestor HWND. |
76 | HWND parent_hwnd_; | ||||
[email protected] | c5c2a67 | 2010-10-01 23:28:04 | [diff] [blame] | 77 | |
[email protected] | a6120e3 | 2013-03-15 11:07:35 | [diff] [blame] | 78 | // The accessibility instance for the parent window. |
79 | IAccessible* parent_iaccessible_; | ||||
[email protected] | c5c2a67 | 2010-10-01 23:28:04 | [diff] [blame] | 80 | |
[email protected] | f27e81c | 2010-10-07 05:20:23 | [diff] [blame] | 81 | // Give BrowserAccessibilityManager::Create access to our constructor. |
82 | friend class BrowserAccessibilityManager; | ||||
[email protected] | c5c2a67 | 2010-10-01 23:28:04 | [diff] [blame] | 83 | |
[email protected] | b2ae783 | 2012-02-11 00:28:00 | [diff] [blame] | 84 | // Track the most recent object that has been asked to scroll and |
85 | // post a notification directly on it when it reaches its destination. | ||||
86 | // TODO(dmazzoni): remove once http://crbug.com/113483 is fixed. | ||||
87 | BrowserAccessibilityWin* tracked_scroll_object_; | ||||
88 | |||||
[email protected] | d1ba019 | 2013-04-10 04:36:22 | [diff] [blame] | 89 | // A mapping from the Windows-specific unique IDs (unique within the |
[email protected] | d96f384 | 2014-04-21 18:07:29 | [diff] [blame] | 90 | // browser process) to accessibility ids within this page. |
91 | base::hash_map<long, int32> unique_id_to_ax_id_map_; | ||||
[email protected] | d1ba019 | 2013-04-10 04:36:22 | [diff] [blame] | 92 | |
[email protected] | a6b2aa5 | 2013-11-30 05:16:02 | [diff] [blame] | 93 | // Owned by its parent; OnAccessibleHwndDeleted gets called upon deletion. |
[email protected] | d5169a9 | 2014-02-07 00:00:30 | [diff] [blame] | 94 | LegacyRenderWidgetHostHWND* accessible_hwnd_; |
[email protected] | f3be3343 | 2013-10-18 03:36:15 | [diff] [blame] | 95 | |
[email protected] | c5c2a67 | 2010-10-01 23:28:04 | [diff] [blame] | 96 | DISALLOW_COPY_AND_ASSIGN(BrowserAccessibilityManagerWin); |
97 | }; | ||||
98 | |||||
[email protected] | e6b3487 | 2012-10-24 20:51:32 | [diff] [blame] | 99 | } // namespace content |
100 | |||||
[email protected] | ba1fa65 | 2011-06-25 05:16:22 | [diff] [blame] | 101 | #endif // CONTENT_BROWSER_ACCESSIBILITY_BROWSER_ACCESSIBILITY_MANAGER_WIN_H_ |