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1 // Copyright (c) 2012 The Chromium Authors. All rights reserved. | 1 // Copyright (c) 2012 The Chromium Authors. All rights reserved. |
2 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
4 | 4 |
5 #ifndef CHROME_BROWSER_HANG_MONITOR_HUNG_PLUGIN_ACTION_H__ | 5 #ifndef CHROME_BROWSER_HANG_MONITOR_HUNG_PLUGIN_ACTION_H__ |
6 #define CHROME_BROWSER_HANG_MONITOR_HUNG_PLUGIN_ACTION_H__ | 6 #define CHROME_BROWSER_HANG_MONITOR_HUNG_PLUGIN_ACTION_H__ |
7 | 7 |
8 #include "base/strings/string16.h" | 8 #include "base/strings/string16.h" |
9 #include "chrome/browser/hang_monitor/hung_window_detector.h" | 9 #include "chrome/browser/hang_monitor/hung_window_detector.h" |
10 | 10 |
11 // This class provides an implementation the | 11 // This class provides an implementation the |
12 // HungWindowDetector::HungWindowNotification callback interface. | 12 // HungWindowDetector::HungWindowNotification callback interface. |
13 // It checks to see if the hung window belongs to a process different | 13 // It checks to see if the hung window belongs to a process different |
14 // from that of the browser process and, if so, it returns an action | 14 // from that of the browser process and, if so, it returns an action |
15 // of HungWindowNotification::HUNG_WINDOW_TERMINATE_PROCESS. | 15 // of HungWindowNotification::HUNG_WINDOW_TERMINATE_PROCESS. |
16 // Note: We can write other action classes that implement the same | 16 // Note: We can write other action classes that implement the same |
17 // interface and switch the action done on hung plugins based on user | 17 // interface and switch the action done on hung plugins based on user |
18 // preferences. | 18 // preferences. |
19 class HungPluginAction : public HungWindowDetector::HungWindowNotification { | 19 class HungPluginAction : public HungWindowDetector::HungWindowNotification { |
20 public: | 20 public: |
21 HungPluginAction(); | 21 HungPluginAction(); |
22 ~HungPluginAction(); | 22 ~HungPluginAction(); |
23 // HungWindowNotification implementation | 23 // HungWindowNotification implementation |
24 virtual bool OnHungWindowDetected(HWND hung_window, | 24 bool OnHungWindowDetected(HWND hung_window, |
25 HWND top_level_window, | 25 HWND top_level_window, |
26 ActionOnHungWindow* action); | 26 ActionOnHungWindow* action) override; |
27 | 27 |
28 protected: | 28 protected: |
29 void OnWindowResponsive(HWND window); | 29 void OnWindowResponsive(HWND window); |
30 | 30 |
31 // The callback function for the SendMessageCallback API | 31 // The callback function for the SendMessageCallback API |
32 static void CALLBACK HungWindowResponseCallback(HWND target_window, | 32 static void CALLBACK HungWindowResponseCallback(HWND target_window, |
33 UINT message, | 33 UINT message, |
34 ULONG_PTR data, | 34 ULONG_PTR data, |
35 LRESULT result); | 35 LRESULT result); |
36 | 36 |
37 static BOOL CALLBACK DismissMessageBox(HWND window, LPARAM ignore); | 37 static BOOL CALLBACK DismissMessageBox(HWND window, LPARAM ignore); |
38 | 38 |
39 protected: | 39 protected: |
40 bool GetPluginNameAndVersion(HWND plugin_window, | 40 bool GetPluginNameAndVersion(HWND plugin_window, |
41 DWORD browser_process_id, | 41 DWORD browser_process_id, |
42 base::string16* plugin_name, | 42 base::string16* plugin_name, |
43 base::string16* plugin_version); | 43 base::string16* plugin_version); |
44 // The currently hung plugin window that we are prompting the user about | 44 // The currently hung plugin window that we are prompting the user about |
45 HWND current_hung_plugin_window_; | 45 HWND current_hung_plugin_window_; |
46 }; | 46 }; |
47 | 47 |
48 #endif // CHROME_BROWSER_HANG_MONITOR_HUNG_PLUGIN_ACTION_H__ | 48 #endif // CHROME_BROWSER_HANG_MONITOR_HUNG_PLUGIN_ACTION_H__ |
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