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/*
* Copyright (C) 1999 Harri Porten (porten@kde.org)
* Copyright (C) 2001 Peter Kelly (pmk@post.com)
* Copyright (C) 2008 Apple Inc. All rights reserved.
* Copyright (C) 2008 Eric Seidel <eric@webkit.org>
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
#ifndef ScriptController_h
#define ScriptController_h
#include "JSDOMWindowShell.h"
#include "ScriptControllerBase.h"
#include "ScriptInstance.h"
#include <runtime/Protect.h>
#include <wtf/Forward.h>
#include <wtf/RefPtr.h>
#if PLATFORM(MAC)
#include <wtf/RetainPtr.h>
#ifdef __OBJC__
@class WebScriptObject;
#else
class WebScriptObject;
#endif
#endif
struct NPObject;
namespace JSC {
class JSGlobalObject;
namespace Bindings {
class RootObject;
}
}
namespace WebCore {
class Event;
class EventListener;
class HTMLPlugInElement;
class Frame;
class Node;
class ScriptSourceCode;
class ScriptValue;
class Widget;
class XSSAuditor;
typedef HashMap<void*, RefPtr<JSC::Bindings::RootObject> > RootObjectMap;
class ScriptController {
friend class ScriptCachedFrameData;
typedef WTF::HashMap< RefPtr<DOMWrapperWorld>, JSC::ProtectedPtr<JSDOMWindowShell> > ShellMap;
public:
ScriptController(Frame*);
~ScriptController();
static PassRefPtr<DOMWrapperWorld> createWorld();
JSDOMWindowShell* createWindowShell(DOMWrapperWorld*);
void destroyWindowShell(DOMWrapperWorld*);
JSDOMWindowShell* windowShell(DOMWrapperWorld* world)
{
ShellMap::iterator iter = m_windowShells.find(world);
return (iter != m_windowShells.end()) ? iter->second.get() : initScript(world);
}
JSDOMWindowShell* existingWindowShell(DOMWrapperWorld* world) const
{
ShellMap::const_iterator iter = m_windowShells.find(world);
return (iter != m_windowShells.end()) ? iter->second.get() : 0;
}
JSDOMWindow* globalObject(DOMWrapperWorld* world)
{
return windowShell(world)->window();
}
static void getAllWorlds(Vector<DOMWrapperWorld*>&);
ScriptValue executeScript(const ScriptSourceCode&, ShouldAllowXSS shouldAllowXSS = DoNotAllowXSS);
ScriptValue executeScript(const String& script, bool forceUserGesture = false, ShouldAllowXSS shouldAllowXSS = DoNotAllowXSS);
ScriptValue executeScriptInWorld(DOMWrapperWorld* world, const String& script, bool forceUserGesture = false, ShouldAllowXSS shouldAllowXSS = DoNotAllowXSS);
// Returns true if argument is a JavaScript URL.
bool executeIfJavaScriptURL(const KURL&, ShouldReplaceDocumentIfJavaScriptURL shouldReplaceDocumentIfJavaScriptURL = ReplaceDocumentIfJavaScriptURL);
// This function must be called from the main thread. It is safe to call it repeatedly.
// Darwin is an exception to this rule: it is OK to call this function from any thread, even reentrantly.
static void initializeThreading();
ScriptValue evaluate(const ScriptSourceCode&, ShouldAllowXSS shouldAllowXSS = DoNotAllowXSS);
ScriptValue evaluateInWorld(const ScriptSourceCode&, DOMWrapperWorld*, ShouldAllowXSS shouldAllowXSS = DoNotAllowXSS);
int eventHandlerLineNumber() const;
void setProcessingTimerCallback(bool b) { m_processingTimerCallback = b; }
static bool processingUserGesture();
bool anyPageIsProcessingUserGesture() const;
static bool canAccessFromCurrentOrigin(Frame*);
bool canExecuteScripts(ReasonForCallingCanExecuteScripts);
// Debugger can be 0 to detach any existing Debugger.
void attachDebugger(JSC::Debugger*); // Attaches/detaches in all worlds/window shells.
void attachDebugger(JSDOMWindowShell*, JSC::Debugger*);
void setPaused(bool b) { m_paused = b; }
bool isPaused() const { return m_paused; }
void setAllowPopupsFromPlugin(bool allowPopupsFromPlugin) { m_allowPopupsFromPlugin = allowPopupsFromPlugin; }
bool allowPopupsFromPlugin() const { return m_allowPopupsFromPlugin; }
const String* sourceURL() const { return m_sourceURL; } // 0 if we are not evaluating any script
void clearWindowShell(bool goingIntoPageCache = false);
void updateDocument();
void namedItemAdded(HTMLDocument*, const AtomicString&) { }
void namedItemRemoved(HTMLDocument*, const AtomicString&) { }
// Notifies the ScriptController that the securityOrigin of the current
// document was modified. For example, this method is called when
// document.domain is set. This method is *not* called when a new document
// is attached to a frame because updateDocument() is called instead.
void updateSecurityOrigin();
void clearScriptObjects();
void cleanupScriptObjectsForPlugin(void*);
void updatePlatformScriptObjects();
PassScriptInstance createScriptInstanceForWidget(Widget*);
JSC::Bindings::RootObject* bindingRootObject();
JSC::Bindings::RootObject* cacheableBindingRootObject();
PassRefPtr<JSC::Bindings::RootObject> createRootObject(void* nativeHandle);
#if ENABLE(INSPECTOR)
static void setCaptureCallStackForUncaughtExceptions(bool);
#endif
#if PLATFORM(MAC)
#if ENABLE(JAVA_BRIDGE)
static void initJavaJSBindings();
#endif
WebScriptObject* windowScriptObject();
#endif
JSC::JSObject* jsObjectForPluginElement(HTMLPlugInElement*);
#if ENABLE(NETSCAPE_PLUGIN_API)
NPObject* createScriptObjectForPluginElement(HTMLPlugInElement*);
NPObject* windowScriptNPObject();
#endif
XSSAuditor* xssAuditor() { return m_XSSAuditor.get(); }
private:
JSDOMWindowShell* initScript(DOMWrapperWorld* world);
void disconnectPlatformScriptObjects();
bool isJavaScriptAnchorNavigation() const;
ShellMap m_windowShells;
Frame* m_frame;
const String* m_sourceURL;
bool m_inExecuteScript;
bool m_processingTimerCallback;
bool m_paused;
bool m_allowPopupsFromPlugin;
// The root object used for objects bound outside the context of a plugin, such
// as NPAPI plugins. The plugins using these objects prevent a page from being cached so they
// are safe to invalidate() when WebKit navigates away from the page that contains them.
RefPtr<JSC::Bindings::RootObject> m_bindingRootObject;
// Unlike m_bindingRootObject these objects are used in pages that are cached, so they are not invalidate()'d.
// This ensures they are still available when the page is restored.
RefPtr<JSC::Bindings::RootObject> m_cacheableBindingRootObject;
RootObjectMap m_rootObjects;
#if ENABLE(NETSCAPE_PLUGIN_API)
NPObject* m_windowScriptNPObject;
#endif
#if PLATFORM(MAC)
RetainPtr<WebScriptObject> m_windowScriptObject;
#endif
// The XSSAuditor associated with this ScriptController.
OwnPtr<XSSAuditor> m_XSSAuditor;
};
} // namespace WebCore
#endif // ScriptController_h
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