| // 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 CHROME_BROWSER_HANG_MONITOR_HUNG_PLUGIN_ACTION_H__ |
| #define CHROME_BROWSER_HANG_MONITOR_HUNG_PLUGIN_ACTION_H__ |
| |
| #include "base/strings/string16.h" |
| #include "chrome/browser/hang_monitor/hung_window_detector.h" |
| |
| // This class provides an implementation the |
| // HungWindowDetector::HungWindowNotification callback interface. |
| // It checks to see if the hung window belongs to a process different |
| // from that of the browser process and, if so, it returns an action |
| // of HungWindowNotification::HUNG_WINDOW_TERMINATE_PROCESS. |
| // Note: We can write other action classes that implement the same |
| // interface and switch the action done on hung plugins based on user |
| // preferences. |
| class HungPluginAction : public HungWindowDetector::HungWindowNotification { |
| public: |
| HungPluginAction(); |
| ~HungPluginAction(); |
| // HungWindowNotification implementation |
| virtual bool OnHungWindowDetected(HWND hung_window, |
| HWND top_level_window, |
| ActionOnHungWindow* action); |
| |
| protected: |
| void OnWindowResponsive(HWND window); |
| |
| // The callback function for the SendMessageCallback API |
| static void CALLBACK HungWindowResponseCallback(HWND target_window, |
| UINT message, |
| ULONG_PTR data, |
| LRESULT result); |
| |
| static BOOL CALLBACK DismissMessageBox(HWND window, LPARAM ignore); |
| |
| protected: |
| bool GetPluginNameAndVersion(HWND plugin_window, |
| DWORD browser_process_id, |
| base::string16* plugin_name, |
| base::string16* plugin_version); |
| // The currently hung plugin window that we are prompting the user about |
| HWND current_hung_plugin_window_; |
| }; |
| |
| #endif // CHROME_BROWSER_HANG_MONITOR_HUNG_PLUGIN_ACTION_H__ |