1 files changed, 120 insertions, 0 deletions
diff --git a/Source/WebCore/page/UserContentProvider.cpp b/Source/WebCore/page/UserContentProvider.cpp
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+++ b/Source/WebCore/page/UserContentProvider.cpp
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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.
+ */
+
+#include "config.h"
+#include "UserContentProvider.h"
+
+#include "Document.h"
+#include "DocumentLoader.h"
+#include "MainFrame.h"
+#include "Page.h"
+
+#if ENABLE(CONTENT_EXTENSIONS)
+#include "ContentExtensionCompiler.h"
+#include "ContentExtensionsBackend.h"
+#endif
+
+namespace WebCore {
+
+UserContentProvider::UserContentProvider()
+{
+}
+
+UserContentProvider::~UserContentProvider()
+{
+    ASSERT(m_pages.isEmpty());
+}
+
+void UserContentProvider::addPage(Page& page)
+{
+    ASSERT(!m_pages.contains(&page));
+
+    m_pages.add(&page);
+}
+
+void UserContentProvider::removePage(Page& page)
+{
+    ASSERT(m_pages.contains(&page));
+
+    m_pages.remove(&page);
+}
+
+void UserContentProvider::registerForUserMessageHandlerInvalidation(UserContentProviderInvalidationClient& invalidationClient)
+{
+    ASSERT(!m_userMessageHandlerInvalidationClients.contains(&invalidationClient));
+
+    m_userMessageHandlerInvalidationClients.add(&invalidationClient);
+}
+
+void UserContentProvider::unregisterForUserMessageHandlerInvalidation(UserContentProviderInvalidationClient& invalidationClient)
+{
+    ASSERT(m_userMessageHandlerInvalidationClients.contains(&invalidationClient));
+
+    m_userMessageHandlerInvalidationClients.remove(&invalidationClient);
+}
+
+void UserContentProvider::invalidateAllRegisteredUserMessageHandlerInvalidationClients()
+{
+    for (auto& client : m_userMessageHandlerInvalidationClients)
+        client->didInvalidate(*this);
+}
+
+void UserContentProvider::invalidateInjectedStyleSheetCacheInAllFramesInAllPages()
+{
+    for (auto& page : m_pages)
+        page->invalidateInjectedStyleSheetCacheInAllFrames();
+}
+
+#if ENABLE(CONTENT_EXTENSIONS)
+static bool contentExtensionsEnabled(const DocumentLoader& documentLoader)
+{
+    if (auto frame = documentLoader.frame()) {
+        if (frame->isMainFrame())
+            return documentLoader.userContentExtensionsEnabled();
+        if (auto mainDocumentLoader = frame->mainFrame().loader().documentLoader())
+            return mainDocumentLoader->userContentExtensionsEnabled();
+    }
+
+    return true;
+}
+    
+ContentExtensions::BlockedStatus UserContentProvider::processContentExtensionRulesForLoad(const URL& url, ResourceType resourceType, DocumentLoader& initiatingDocumentLoader)
+{
+    if (!contentExtensionsEnabled(initiatingDocumentLoader))
+        return { };
+
+    return userContentExtensionBackend().processContentExtensionRulesForLoad(url, resourceType, initiatingDocumentLoader);
+}
+
+Vector<ContentExtensions::Action> UserContentProvider::actionsForResourceLoad(const ResourceLoadInfo& resourceLoadInfo, DocumentLoader& initiatingDocumentLoader)
+{
+    if (!contentExtensionsEnabled(initiatingDocumentLoader))
+        return { };
+
+    return userContentExtensionBackend().actionsForResourceLoad(resourceLoadInfo);
+}
+#endif
+
+} // namespace WebCore