webkitgtk-2.16.5HEADwebkitgtk-2.16.5master

1 files changed, 107 insertions, 0 deletions

diff --git a/Source/WebCore/page/UserContentProvider.h b/Source/WebCore/page/UserContentProvider.h
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+/*
+ * Copyright (C) 2016 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.
+ */
+
+#pragma once
+
+#include "UserScriptTypes.h"
+#include "UserStyleSheetTypes.h"
+#include <functional>
+#include <wtf/Forward.h>
+#include <wtf/HashSet.h>
+#include <wtf/RefCounted.h>
+
+#if ENABLE(USER_MESSAGE_HANDLERS)
+#include "UserMessageHandlerDescriptorTypes.h"
+#endif
+
+#if ENABLE(CONTENT_EXTENSIONS)
+#include "ContentExtensionActions.h"
+#include "ContentExtensionsBackend.h"
+#endif
+
+namespace WebCore {
+
+class DocumentLoader;
+class Page;
+class ResourceRequest;
+class URL;
+
+enum class ResourceType : uint16_t;
+
+struct ResourceLoadInfo;
+
+namespace ContentExtensions {
+class ContentExtensionsBackend;
+struct Action;
+}
+
+class UserContentProvider;
+
+class UserContentProviderInvalidationClient {
+public:
+    virtual ~UserContentProviderInvalidationClient()
+    {
+    }
+    
+    virtual void didInvalidate(UserContentProvider&) = 0;
+};
+
+class UserContentProvider : public RefCounted<UserContentProvider> {
+public:
+    WEBCORE_EXPORT UserContentProvider();
+    WEBCORE_EXPORT virtual ~UserContentProvider();
+
+    virtual void forEachUserScript(const std::function<void(DOMWrapperWorld&, const UserScript&)>&) const = 0;
+    virtual void forEachUserStyleSheet(const std::function<void(const UserStyleSheet&)>&) const = 0;
+#if ENABLE(USER_MESSAGE_HANDLERS)
+    virtual void forEachUserMessageHandler(const std::function<void(const UserMessageHandlerDescriptor&)>&) const = 0;
+#endif
+#if ENABLE(CONTENT_EXTENSIONS)
+    virtual ContentExtensions::ContentExtensionsBackend& userContentExtensionBackend() = 0;
+#endif
+
+    void registerForUserMessageHandlerInvalidation(UserContentProviderInvalidationClient&);
+    void unregisterForUserMessageHandlerInvalidation(UserContentProviderInvalidationClient&);
+
+    void addPage(Page&);
+    void removePage(Page&);
+
+#if ENABLE(CONTENT_EXTENSIONS)
+    // FIXME: These don't really belong here. They should probably bundled up in the ContentExtensionsBackend
+    // which should always exist.
+    ContentExtensions::BlockedStatus processContentExtensionRulesForLoad(const URL&, ResourceType, DocumentLoader& initiatingDocumentLoader);
+    Vector<ContentExtensions::Action> actionsForResourceLoad(const ResourceLoadInfo&, DocumentLoader& initiatingDocumentLoader);
+#endif
+
+protected:
+    WEBCORE_EXPORT void invalidateAllRegisteredUserMessageHandlerInvalidationClients();
+    WEBCORE_EXPORT void invalidateInjectedStyleSheetCacheInAllFramesInAllPages();
+
+private:
+    HashSet<Page*> m_pages;
+    HashSet<UserContentProviderInvalidationClient*> m_userMessageHandlerInvalidationClients;
+};
+
+} // namespace WebCore