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// Copyright 2008, Google Inc.
// All rights reserved.
//
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions are
// met:
//
// * Redistributions of source code must retain the above copyright
// notice, this list of conditions and the following disclaimer.
// * Redistributions in binary form must reproduce the above
// copyright notice, this list of conditions and the following disclaimer
// in the documentation and/or other materials provided with the
// distribution.
// * Neither the name of Google Inc. nor the names of its
// contributors may be used to endorse or promote products derived from
// this software without specific prior written permission.
//
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
#ifndef CHROME_BROWSER_HANG_MONITOR_HUNG_WINDOW_DETECTOR_H__
#define CHROME_BROWSER_HANG_MONITOR_HUNG_WINDOW_DETECTOR_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 GetPluginName(HWND plugin_window,
DWORD browser_process_id,
std::wstring *plugin_name);
// The currently hung plugin window that we are prompting the user about
HWND current_hung_plugin_window_;
};
#endif // CHROME_BROWSER_HANG_MONITOR_HUNG_WINDOW_DETECTOR_H__
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