2 * Copyright (C) 2014 Google Inc. All rights reserved.
4 * Redistribution and use in source and binary forms, with or without
5 * modification, are permitted provided that the following conditions are
8 * * Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer.
10 * * Redistributions in binary form must reproduce the above
11 * copyright notice, this list of conditions and the following disclaimer
12 * in the documentation and/or other materials provided with the
14 * * Neither the name of Google Inc. nor the names of its
15 * contributors may be used to endorse or promote products derived from
16 * this software without specific prior written permission.
18 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
19 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
20 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
21 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
22 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
23 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
24 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
25 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
26 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
27 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
28 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
31 #ifndef HTMLImportState_h
32 #define HTMLImportState_h
34 #include "wtf/Assertions.h"
38 class HTMLImportState {
41 BlockingDocumentCreation = 0,
42 BlockingScriptExecution,
48 explicit HTMLImportState(Value value = BlockingDocumentCreation)
52 bool shouldBlockScriptExecution() const { return checkedValue() <= BlockingScriptExecution; }
53 bool shouldBlockDocumentCreation() const { return checkedValue() <= BlockingDocumentCreation; }
54 bool isReady() const { return checkedValue() == Ready; }
55 bool isValid() const { return m_value != Invalid; }
56 bool operator==(const HTMLImportState& other) const { return m_value == other.m_value; }
57 bool operator!=(const HTMLImportState& other) const { return !(*this == other); }
58 bool operator<=(const HTMLImportState& other) const { return m_value <= other.m_value; }
61 Value peekValueForDebug() const { return m_value; }
64 static HTMLImportState invalidState() { return HTMLImportState(Invalid); }
65 static HTMLImportState blockedState() { return HTMLImportState(BlockingDocumentCreation); }
67 Value checkedValue() const;
71 inline HTMLImportState::Value HTMLImportState::checkedValue() const