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diff --git a/Source/WebKit2/UIProcess/WebContext.h b/Source/WebKit2/UIProcess/WebContext.h
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+/*
+ * Copyright (C) 2010, 2011 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 WebContext_h
+#define WebContext_h
+
+#include "APIObject.h"
+#include "GenericCallback.h"
+#include "PluginInfoStore.h"
+#include "ProcessModel.h"
+#include "VisitedLinkProvider.h"
+#include "WebContextInjectedBundleClient.h"
+#include "WebContextConnectionClient.h"
+#include "WebDownloadClient.h"
+#include "WebHistoryClient.h"
+#include "WebProcessProxy.h"
+#include <WebCore/LinkHash.h>
+#include <wtf/Forward.h>
+#include <wtf/HashSet.h>
+#include <wtf/PassRefPtr.h>
+#include <wtf/RefPtr.h>
+#include <wtf/text/StringHash.h>
+#include <wtf/text/WTFString.h>
+
+namespace WebKit {
+
+class DownloadProxy;
+class WebApplicationCacheManagerProxy;
+class WebCookieManagerProxy;
+class WebDatabaseManagerProxy;
+class WebGeolocationManagerProxy;
+class WebIconDatabase;
+class WebKeyValueStorageManagerProxy;
+class WebMediaCacheManagerProxy;
+class WebNotificationManagerProxy;
+class WebPageGroup;
+class WebPageProxy;
+class WebResourceCacheManagerProxy;
+struct StatisticsData;
+struct WebProcessCreationParameters;
+    
+typedef GenericCallback<WKDictionaryRef> DictionaryCallback;
+
+class WebContext : public APIObject {
+public:
+    static const Type APIType = TypeContext;
+
+    static WebContext* sharedProcessContext();
+    static WebContext* sharedThreadContext();
+
+    static PassRefPtr<WebContext> create(const String& injectedBundlePath);
+    virtual ~WebContext();
+
+    static const Vector<WebContext*>& allContexts();
+
+    void initializeInjectedBundleClient(const WKContextInjectedBundleClient*);
+    void initializeConnectionClient(const WKContextConnectionClient*);
+    void initializeHistoryClient(const WKContextHistoryClient*);
+    void initializeDownloadClient(const WKContextDownloadClient*);
+
+    ProcessModel processModel() const { return m_processModel; }
+    WebProcessProxy* process() const { return m_process.get(); }
+
+    template<typename U> bool sendToAllProcesses(const U& message);
+    template<typename U> bool sendToAllProcessesRelaunchingThemIfNecessary(const U& message);
+    
+    void processDidFinishLaunching(WebProcessProxy*);
+
+    // Disconnect the process from the context.
+    void disconnectProcess(WebProcessProxy*);
+
+    PassRefPtr<WebPageProxy> createWebPage(PageClient*, WebPageGroup*);
+
+    WebProcessProxy* relaunchProcessIfNecessary();
+
+    const String& injectedBundlePath() const { return m_injectedBundlePath; }
+
+    DownloadProxy* download(WebPageProxy* initiatingPage, const WebCore::ResourceRequest&);
+
+    void setInjectedBundleInitializationUserData(PassRefPtr<APIObject> userData) { m_injectedBundleInitializationUserData = userData; }
+    APIObject* injectedBundleInitializationUserData() const { return m_injectedBundleInitializationUserData.get(); }
+
+    void postMessageToInjectedBundle(const String&, APIObject*);
+
+    // InjectedBundle client
+    void didReceiveMessageFromInjectedBundle(const String&, APIObject*);
+    void didReceiveSynchronousMessageFromInjectedBundle(const String&, APIObject*, RefPtr<APIObject>& returnData);
+
+    void populateVisitedLinks();
+    
+    void setAdditionalPluginsDirectory(const String&);
+
+    PluginInfoStore& pluginInfoStore() { return m_pluginInfoStore; }
+    String applicationCacheDirectory();
+
+    void setAlwaysUsesComplexTextCodePath(bool);
+    void setShouldUseFontSmoothing(bool);
+    
+    void registerURLSchemeAsEmptyDocument(const String&);
+    void registerURLSchemeAsSecure(const String&);
+    void setDomainRelaxationForbiddenForURLScheme(const String&);
+
+    void addVisitedLink(const String&);
+    void addVisitedLinkHash(WebCore::LinkHash);
+
+    void didReceiveMessage(CoreIPC::Connection*, CoreIPC::MessageID, CoreIPC::ArgumentDecoder*);
+    void didReceiveSyncMessage(CoreIPC::Connection*, CoreIPC::MessageID, CoreIPC::ArgumentDecoder*, OwnPtr<CoreIPC::ArgumentEncoder>&);
+
+    void setCacheModel(CacheModel);
+    CacheModel cacheModel() const { return m_cacheModel; }
+
+    void setDefaultRequestTimeoutInterval(double);
+
+    void startMemorySampler(const double interval);
+    void stopMemorySampler();
+
+#if PLATFORM(WIN)
+    void setShouldPaintNativeControls(bool);
+
+    void setInitialHTTPCookieAcceptPolicy(HTTPCookieAcceptPolicy policy) { m_initialHTTPCookieAcceptPolicy = policy; }
+#endif
+
+    void setEnhancedAccessibility(bool);
+    
+    // Downloads.
+    DownloadProxy* createDownloadProxy();
+    WebDownloadClient& downloadClient() { return m_downloadClient; }
+    void downloadFinished(DownloadProxy*);
+
+    static HashSet<String, CaseFoldingHash> pdfAndPostScriptMIMETypes();
+
+    WebApplicationCacheManagerProxy* applicationCacheManagerProxy() const { return m_applicationCacheManagerProxy.get(); }
+    WebCookieManagerProxy* cookieManagerProxy() const { return m_cookieManagerProxy.get(); }
+    WebDatabaseManagerProxy* databaseManagerProxy() const { return m_databaseManagerProxy.get(); }
+    WebGeolocationManagerProxy* geolocationManagerProxy() const { return m_geolocationManagerProxy.get(); }
+    WebIconDatabase* iconDatabase() const { return m_iconDatabase.get(); }
+    WebKeyValueStorageManagerProxy* keyValueStorageManagerProxy() const { return m_keyValueStorageManagerProxy.get(); }
+    WebMediaCacheManagerProxy* mediaCacheManagerProxy() const { return m_mediaCacheManagerProxy.get(); }
+    WebNotificationManagerProxy* notificationManagerProxy() const { return m_notificationManagerProxy.get(); }
+    WebPluginSiteDataManager* pluginSiteDataManager() const { return m_pluginSiteDataManager.get(); }
+    WebResourceCacheManagerProxy* resourceCacheManagerProxy() const { return m_resourceCacheManagerProxy.get(); }
+
+    struct Statistics {
+        unsigned wkViewCount;
+        unsigned wkPageCount;
+        unsigned wkFrameCount;
+    };
+    static Statistics& statistics();    
+
+    void setDatabaseDirectory(const String& dir) { m_overrideDatabaseDirectory = dir; }
+    void setIconDatabasePath(const String&);
+    String iconDatabasePath() const;
+    void setLocalStorageDirectory(const String& dir) { m_overrideLocalStorageDirectory = dir; }
+
+    String overrideWebInspectorBaseDirectory() const { return m_overrideWebInspectorBaseDirectory; }
+    void setOverrideWebInspectorBaseDirectory(const String& path) { m_overrideWebInspectorBaseDirectory = path; }
+
+    String overrideWebInspectorPagePath() const { return m_overrideWebInspectorPagePath; }
+    void setOverrideWebInspectorPagePath(const String& path) { m_overrideWebInspectorPagePath = path; }
+
+    void setOverrideWebInspectorLocalizedStringsPath(const String& path) { m_overrideWebInspectorLocalizedStringsPath = path; }
+
+    void ensureWebProcess();
+    void warmInitialProcess();
+
+    bool shouldTerminate(WebProcessProxy*);
+
+    void disableProcessTermination() { m_processTerminationEnabled = false; }
+    void enableProcessTermination();
+
+    // Defaults to false.
+    void setHTTPPipeliningEnabled(bool);
+    bool httpPipeliningEnabled() const;
+    
+    void getWebCoreStatistics(PassRefPtr<DictionaryCallback>);
+    void garbageCollectJavaScriptObjects();
+
+#if PLATFORM(MAC)
+    static bool omitPDFSupport();
+#endif
+
+    void fullKeyboardAccessModeChanged(bool fullKeyboardAccessEnabled);
+
+private:
+    WebContext(ProcessModel, const String& injectedBundlePath);
+
+    virtual Type type() const { return APIType; }
+
+    void platformInitializeWebProcess(WebProcessCreationParameters&);
+    void platformInvalidateContext();
+    
+    // History client
+    void didNavigateWithNavigationData(uint64_t pageID, const WebNavigationDataStore& store, uint64_t frameID);
+    void didPerformClientRedirect(uint64_t pageID, const String& sourceURLString, const String& destinationURLString, uint64_t frameID);
+    void didPerformServerRedirect(uint64_t pageID, const String& sourceURLString, const String& destinationURLString, uint64_t frameID);
+    void didUpdateHistoryTitle(uint64_t pageID, const String& title, const String& url, uint64_t frameID);
+
+    // Plugins
+    void getPlugins(bool refresh, Vector<WebCore::PluginInfo>&);
+    void getPluginPath(const String& mimeType, const String& urlString, String& pluginPath);
+#if !ENABLE(PLUGIN_PROCESS)
+    void didGetSitesWithPluginData(const Vector<String>& sites, uint64_t callbackID);
+    void didClearPluginSiteData(uint64_t callbackID);
+#endif
+    
+    void didGetWebCoreStatistics(const StatisticsData&, uint64_t callbackID);
+        
+    // Implemented in generated WebContextMessageReceiver.cpp
+    void didReceiveWebContextMessage(CoreIPC::Connection*, CoreIPC::MessageID, CoreIPC::ArgumentDecoder*);
+    void didReceiveSyncWebContextMessage(CoreIPC::Connection*, CoreIPC::MessageID, CoreIPC::ArgumentDecoder*, OwnPtr<CoreIPC::ArgumentEncoder>&);
+
+    static void languageChanged(void* context);
+    void languageChanged();
+
+    String databaseDirectory() const;
+    String platformDefaultDatabaseDirectory() const;
+
+    String platformDefaultIconDatabasePath() const;
+
+    String localStorageDirectory() const;
+    String platformDefaultLocalStorageDirectory() const;
+
+    ProcessModel m_processModel;
+    
+    // FIXME: In the future, this should be one or more WebProcessProxies.
+    RefPtr<WebProcessProxy> m_process;
+
+    RefPtr<WebPageGroup> m_defaultPageGroup;
+
+    RefPtr<APIObject> m_injectedBundleInitializationUserData;
+    String m_injectedBundlePath;
+    WebContextInjectedBundleClient m_injectedBundleClient;
+
+    WebContextConnectionClient m_connectionClient;
+    
+    WebHistoryClient m_historyClient;
+
+    PluginInfoStore m_pluginInfoStore;
+    VisitedLinkProvider m_visitedLinkProvider;
+        
+    HashSet<String> m_schemesToRegisterAsEmptyDocument;
+    HashSet<String> m_schemesToRegisterAsSecure;
+    HashSet<String> m_schemesToSetDomainRelaxationForbiddenFor;
+
+    bool m_alwaysUsesComplexTextCodePath;
+    bool m_shouldUseFontSmoothing;
+
+    Vector<pair<String, RefPtr<APIObject> > > m_pendingMessagesToPostToInjectedBundle;
+
+    CacheModel m_cacheModel;
+
+    WebDownloadClient m_downloadClient;
+    HashMap<uint64_t, RefPtr<DownloadProxy> > m_downloads;
+    
+    bool m_memorySamplerEnabled;
+    double m_memorySamplerInterval;
+
+    RefPtr<WebApplicationCacheManagerProxy> m_applicationCacheManagerProxy;
+    RefPtr<WebCookieManagerProxy> m_cookieManagerProxy;
+    RefPtr<WebDatabaseManagerProxy> m_databaseManagerProxy;
+    RefPtr<WebGeolocationManagerProxy> m_geolocationManagerProxy;
+    RefPtr<WebIconDatabase> m_iconDatabase;
+    RefPtr<WebKeyValueStorageManagerProxy> m_keyValueStorageManagerProxy;
+    RefPtr<WebMediaCacheManagerProxy> m_mediaCacheManagerProxy;
+    RefPtr<WebNotificationManagerProxy> m_notificationManagerProxy;
+    RefPtr<WebPluginSiteDataManager> m_pluginSiteDataManager;
+    RefPtr<WebResourceCacheManagerProxy> m_resourceCacheManagerProxy;
+
+#if PLATFORM(WIN)
+    bool m_shouldPaintNativeControls;
+    HTTPCookieAcceptPolicy m_initialHTTPCookieAcceptPolicy;
+#endif
+
+#if PLATFORM(MAC)
+    RetainPtr<CFTypeRef> m_enhancedAccessibilityObserver;
+#endif
+
+    String m_overrideDatabaseDirectory;
+    String m_overrideIconDatabasePath;
+    String m_overrideLocalStorageDirectory;
+    String m_overrideWebInspectorBaseDirectory;
+    String m_overrideWebInspectorPagePath;
+    String m_overrideWebInspectorLocalizedStringsPath;
+
+    bool m_processTerminationEnabled;
+    
+    HashMap<uint64_t, RefPtr<DictionaryCallback> > m_dictionaryCallbacks;
+};
+
+template<typename U> inline bool WebContext::sendToAllProcesses(const U& message)
+{
+    if (!m_process || !m_process->canSendMessage())
+        return false;
+
+    return m_process->send(message, 0);
+}
+
+template<typename U> bool WebContext::sendToAllProcessesRelaunchingThemIfNecessary(const U& message)
+{
+    relaunchProcessIfNecessary();
+
+    return m_process->send(message, 0);
+}
+
+} // namespace WebKit
+
+#endif // WebContext_h