| // Copyright 2014 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_BROWSER_ACCESSIBILITY_ACCESSIBILITY_EVENT_RECORDER_H_ |
| #define CONTENT_BROWSER_ACCESSIBILITY_ACCESSIBILITY_EVENT_RECORDER_H_ |
| |
| #include <string> |
| #include <vector> |
| |
| #include "base/macros.h" |
| #include "content/common/content_export.h" |
| |
| namespace content { |
| |
| class BrowserAccessibilityManager; |
| |
| // Listens for native accessibility events fired by a given |
| // BrowserAccessibilityManager and saves human-readable log strings for |
| // each event fired to a vector. Construct an instance of this class to |
| // begin listening, call GetEventLogs() to get all of the logs so far, and |
| // destroy it to stop listening. |
| // |
| // A log string should be of the form "<event> on <node>" where <event> is |
| // the name of the event fired (platform-specific) and <node> is information |
| // about the accessibility node on which the event was fired, for example its |
| // role and name. |
| // |
| // The implementation is highly platform-specific; a subclass is needed for |
| // each platform does most of the work. |
| class AccessibilityEventRecorder { |
| public: |
| // Construct the right platform-specific subclass. |
| static AccessibilityEventRecorder* Create( |
| BrowserAccessibilityManager* manager); |
| virtual ~AccessibilityEventRecorder(); |
| |
| // Access the vector of human-readable event logs, one string per event. |
| const std::vector<std::string>& event_logs() { return event_logs_; } |
| |
| protected: |
| explicit AccessibilityEventRecorder(BrowserAccessibilityManager* manager); |
| |
| BrowserAccessibilityManager* manager_; |
| std::vector<std::string> event_logs_; |
| |
| DISALLOW_COPY_AND_ASSIGN(AccessibilityEventRecorder); |
| }; |
| |
| } // namespace content |
| |
| #endif // CONTENT_BROWSER_ACCESSIBILITY_ACCESSIBILITY_EVENT_RECORDER_H_ |