Remove remaining HTML elements

sky/engine/core/html/imports/HTMLImport.cpp

-/*
- * Copyright (C) 2013 Google 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:
- *
- *     * Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- *     * 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.
- *     * Neither the name of Google Inc. nor the names of its
- * contributors may be used to endorse or promote products derived from
- * this software without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND 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 THE COPYRIGHT
- * OWNER OR 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 "sky/engine/core/html/imports/HTMLImport.h"
-
-#include "sky/engine/core/dom/Document.h"
-#include "sky/engine/core/html/imports/HTMLImportStateResolver.h"
-#include "sky/engine/wtf/Vector.h"
-
-namespace blink {
-
-HTMLImport* HTMLImport::root()
-{
-    HTMLImport* i = this;
-    while (i->parent())
-        i = i->parent();
-    return i;
-}
-
-bool HTMLImport::precedes(HTMLImport* import)
-{
-    for (HTMLImport* i = this; i; i = traverseNext(i)) {
-        if (i == import)
-            return true;
-    }
-
-    return false;
-}
-
-bool HTMLImport::formsCycle() const
-{
-    for (const HTMLImport* i = this->parent(); i; i = i->parent()) {
-        if (i->document() == this->document())
-            return true;
-    }
-
-    return false;
-
-}
-
-void HTMLImport::appendImport(HTMLImport* child)
-{
-    appendChild(child);
-
-    // This prevents HTML parser from going beyond the
-    // blockage line before the precise state is computed by recalcState().
-    if (child->isSync())
-        m_state = HTMLImportState::blockedState();
-
-    stateWillChange();
-}
-
-void HTMLImport::stateDidChange()
-{
-    if (!state().shouldBlockScriptExecution()) {
-        if (Document* document = this->document())
-            document->didLoadAllImports();
-    }
-}
-
-void HTMLImport::recalcTreeState(HTMLImport* root)
-{
-    HashMap<RawPtr<HTMLImport>, HTMLImportState> snapshot;
-    Vector<RawPtr<HTMLImport> > updated;
-
-    for (HTMLImport* i = root; i; i = traverseNext(i)) {
-        snapshot.add(i, i->state());
-        i->m_state = HTMLImportState::invalidState();
-    }
-
-    // The post-visit DFS order matters here because
-    // HTMLImportStateResolver in recalcState() Depends on
-    // |m_state| of its children and precedents of ancestors.
-    // Accidental cycle dependency of state computation is prevented
-    // by invalidateCachedState() and isStateCacheValid() check.
-    for (HTMLImport* i = traverseFirstPostOrder(root); i; i = traverseNextPostOrder(i)) {
-        ASSERT(!i->m_state.isValid());
-        i->m_state = HTMLImportStateResolver(i).resolve();
-
-        HTMLImportState newState = i->state();
-        HTMLImportState oldState = snapshot.get(i);
-        // Once the state reaches Ready, it shouldn't go back.
-        ASSERT(!oldState.isReady() || oldState <= newState);
-        if (newState != oldState)
-            updated.append(i);
-    }
-
-    for (size_t i = 0; i < updated.size(); ++i)
-        updated[i]->stateDidChange();
-}
-
-#if !defined(NDEBUG)
-void HTMLImport::show()
-{
-    root()->showTree(this, 0);
-}
-
-void HTMLImport::showTree(HTMLImport* highlight, unsigned depth)
-{
-    for (unsigned i = 0; i < depth*4; ++i)
-        fprintf(stderr, " ");
-
-    fprintf(stderr, "%s", this == highlight ? "*" : " ");
-    showThis();
-    fprintf(stderr, "\n");
-    for (HTMLImport* child = firstChild(); child; child = child->next())
-        child->showTree(highlight, depth + 1);
-}
-
-void HTMLImport::showThis()
-{
-    fprintf(stderr, "%p state=%d", this, m_state.peekValueForDebug());
-}
-#endif
-
-} // namespace blink