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// 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__
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