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Unified Diff: content/renderer/renderer_accessibility_complete.h

Issue 12226061: Move renderer accessibility to subdir and add OWNERS (Closed) Base URL: svn://svn.chromium.org/chrome/trunk/src
Patch Set: Rebase Created 7 years, 10 months ago
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Index: content/renderer/renderer_accessibility_complete.h
diff --git a/content/renderer/renderer_accessibility_complete.h b/content/renderer/renderer_accessibility_complete.h
deleted file mode 100644
index ebae664aecac00a511a344400c11cd386420b4ba..0000000000000000000000000000000000000000
--- a/content/renderer/renderer_accessibility_complete.h
+++ /dev/null
@@ -1,140 +0,0 @@
-// Copyright (c) 2012 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 CONTENT_RENDERER_RENDERER_ACCESSIBILITY_COMPLETE_H_
-#define CONTENT_RENDERER_RENDERER_ACCESSIBILITY_COMPLETE_H_
-
-#include <vector>
-
-#include "base/hash_tables.h"
-#include "base/memory/weak_ptr.h"
-#include "content/common/accessibility_node_data.h"
-#include "content/public/renderer/render_view_observer.h"
-#include "content/renderer/renderer_accessibility.h"
-#include "third_party/WebKit/Source/WebKit/chromium/public/WebAccessibilityNotification.h"
-
-namespace WebKit {
-class WebAccessibilityObject;
-class WebDocument;
-class WebNode;
-};
-
-namespace content {
-class RenderViewImpl;
-
-// This is the subclass of RendererAccessibility that implements
-// complete accessibility support for assistive technology (as opposed to
-// partial support - see RendererAccessibilityFocusOnly).
-//
-// This version turns on WebKit's accessibility code and sends
-// a serialized representation of that tree whenever it changes. It also
-// handles requests from the browser to perform accessibility actions on
-// nodes in the tree (e.g., change focus, or click on a button).
-class RendererAccessibilityComplete : public RendererAccessibility {
- public:
- explicit RendererAccessibilityComplete(RenderViewImpl* render_view);
- virtual ~RendererAccessibilityComplete();
-
- // RenderView::Observer implementation.
- virtual bool OnMessageReceived(const IPC::Message& message) OVERRIDE;
- virtual void FocusedNodeChanged(const WebKit::WebNode& node) OVERRIDE;
- virtual void DidFinishLoad(WebKit::WebFrame* frame) OVERRIDE;
-
- // RendererAccessibility.
- virtual void HandleWebAccessibilityNotification(
- const WebKit::WebAccessibilityObject& obj,
- WebKit::WebAccessibilityNotification notification) OVERRIDE;
-
- private:
- // Handle an accessibility notification to be sent to the browser process.
- void HandleAccessibilityNotification(
- const WebKit::WebAccessibilityObject& obj,
- AccessibilityNotification notification);
-
- // In order to keep track of what nodes the browser knows about, we keep a
- // representation of the browser tree - just IDs and parent/child
- // relationships.
- struct BrowserTreeNode {
- BrowserTreeNode();
- ~BrowserTreeNode();
- int32 id;
- std::vector<BrowserTreeNode*> children;
- };
-
- // Send queued notifications from the renderer to the browser.
- void SendPendingAccessibilityNotifications();
-
- // Update our representation of what nodes the browser has, given a
- // tree of nodes.
- void UpdateBrowserTree(const AccessibilityNodeData& renderer_node);
-
- // Clear the given node and recursively delete all of its descendants
- // from the browser tree. (Does not delete |browser_node|).
- void ClearBrowserTreeNode(BrowserTreeNode* browser_node);
-
- // Handlers for messages from the browser to the renderer.
- void OnDoDefaultAction(int acc_obj_id);
- void OnNotificationsAck();
- void OnChangeScrollPosition(int acc_obj_id, int scroll_x, int scroll_y);
- void OnScrollToMakeVisible(int acc_obj_id, gfx::Rect subfocus);
- void OnScrollToPoint(int acc_obj_id, gfx::Point point);
- void OnSetFocus(int acc_obj_id);
-
- void OnSetTextSelection(int acc_obj_id, int start_offset, int end_offset);
-
- // Whether or not this notification typically needs to send
- // updates to its children, too.
- bool ShouldIncludeChildren(
- const AccessibilityHostMsg_NotificationParams& notification);
-
- // Checks if a WebKit accessibility object is an editable text node.
- bool IsEditableText(const WebKit::WebAccessibilityObject& node);
-
- // Recursively explore the tree of WebKit accessibility objects rooted
- // at |src|, and for each editable text node encountered, add a
- // corresponding WebAccessibility node as a child of |dst|.
- void RecursiveAddEditableTextNodesToTree(
- const WebKit::WebAccessibilityObject& src,
- AccessibilityNodeData* dst);
-
- // Build a tree of serializable AccessibilityNodeData nodes to send to the
- // browser process, given a WebAccessibilityObject node from WebKit.
- // Modifies |dst| in-place, it's assumed to be empty.
- void BuildAccessibilityTree(const WebKit::WebAccessibilityObject& src,
- bool include_children,
- AccessibilityNodeData* dst);
-
- // So we can queue up tasks to be executed later.
- base::WeakPtrFactory<RendererAccessibilityComplete> weak_factory_;
-
- // Notifications from WebKit are collected until they are ready to be
- // sent to the browser.
- std::vector<AccessibilityHostMsg_NotificationParams> pending_notifications_;
-
- // Our representation of the browser tree.
- BrowserTreeNode* browser_root_;
-
- // A map from IDs to nodes in the browser tree.
- base::hash_map<int32, BrowserTreeNode*> browser_id_map_;
-
- // The most recently observed scroll offset of the root document element.
- // TODO(dmazzoni): remove once https://bugs.webkit.org/show_bug.cgi?id=73460
- // is fixed.
- gfx::Size last_scroll_offset_;
-
- // The current accessibility mode.
- AccessibilityMode mode_;
-
- // Set if we are waiting for an accessibility notification ack.
- bool ack_pending_;
-
- // True if verbose logging of accessibility events is on.
- bool logging_;
-
- DISALLOW_COPY_AND_ASSIGN(RendererAccessibilityComplete);
-};
-
-#endif // CONTENT_RENDERER_RENDERER_ACCESSIBILITY_COMPLETE_H_
-
-} // namespace content
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