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/*
* Copyright (C) 2010 Apple 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:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. 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.
*
* THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS 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 APPLE INC. OR ITS 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 PluginProcess_h
#define PluginProcess_h
#if ENABLE(NETSCAPE_PLUGIN_API)
#include "ChildProcess.h"
#include <WebCore/CountedUserActivity.h>
#include <WebCore/AudioHardwareListener.h>
#include <wtf/Forward.h>
#include <wtf/NeverDestroyed.h>
#include <wtf/text/WTFString.h>
namespace WebKit {
class NetscapePluginModule;
class WebProcessConnection;
struct PluginProcessCreationParameters;
class PluginProcess : public ChildProcess, private WebCore::AudioHardwareListener::Client
{
WTF_MAKE_NONCOPYABLE(PluginProcess);
friend class NeverDestroyed<PluginProcess>;
public:
static PluginProcess& shared();
void removeWebProcessConnection(WebProcessConnection*);
NetscapePluginModule* netscapePluginModule();
const String& pluginPath() const { return m_pluginPath; }
#if PLATFORM(COCOA)
void setModalWindowIsShowing(bool);
void setFullscreenWindowIsShowing(bool);
mach_port_t compositingRenderServerPort() const { return m_compositingRenderServerPort; }
bool launchProcess(const String& launchPath, const Vector<String>& arguments);
bool launchApplicationAtURL(const String& urlString, const Vector<String>& arguments);
bool openURL(const String& urlString, int32_t& status, String& launchedURLString);
bool openFile(const String& urlString);
#endif
CountedUserActivity& connectionActivity() { return m_connectionActivity; }
private:
PluginProcess();
~PluginProcess();
// ChildProcess
virtual void initializeProcess(const ChildProcessInitializationParameters&) override;
virtual void initializeProcessName(const ChildProcessInitializationParameters&) override;
virtual void initializeSandbox(const ChildProcessInitializationParameters&, SandboxInitializationParameters&) override;
virtual bool shouldTerminate() override;
void platformInitializeProcess(const ChildProcessInitializationParameters&);
#if USE(APPKIT)
virtual void stopRunLoop() override;
#endif
// IPC::Connection::Client
virtual void didReceiveMessage(IPC::Connection*, IPC::MessageDecoder&) override;
virtual void didClose(IPC::Connection*) override;
virtual void didReceiveInvalidMessage(IPC::Connection*, IPC::StringReference messageReceiverName, IPC::StringReference messageName) override;
// Message handlers.
void didReceivePluginProcessMessage(IPC::Connection*, IPC::MessageDecoder&);
void initializePluginProcess(const PluginProcessCreationParameters&);
void createWebProcessConnection();
void getSitesWithData(uint64_t callbackID);
void clearSiteData(const Vector<String>& sites, uint64_t flags, uint64_t maxAgeInSeconds, uint64_t callbackID);
// AudioHardwareListenerClient
virtual void audioHardwareDidBecomeActive() override;
virtual void audioHardwareDidBecomeInactive() override;
virtual void audioOutputDeviceChanged() override { }
void platformInitializePluginProcess(const PluginProcessCreationParameters&);
void setMinimumLifetime(double);
void minimumLifetimeTimerFired();
// Our web process connections.
Vector<RefPtr<WebProcessConnection>> m_webProcessConnections;
// The plug-in path.
String m_pluginPath;
#if PLATFORM(COCOA)
String m_pluginBundleIdentifier;
#endif
// The plug-in module.
RefPtr<NetscapePluginModule> m_pluginModule;
bool m_supportsAsynchronousPluginInitialization;
RunLoop::Timer<PluginProcess> m_minimumLifetimeTimer;
#if PLATFORM(COCOA)
// The Mach port used for accelerated compositing.
mach_port_t m_compositingRenderServerPort;
String m_nsurlCacheDirectory;
#endif
static void lowMemoryHandler(bool critical);
CountedUserActivity m_connectionActivity;
RefPtr<WebCore::AudioHardwareListener> m_audioHardwareListener;
};
} // namespace WebKit
#endif // ENABLE(NETSCAPE_PLUGIN_API)
#endif // PluginProcess_h
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