| 1 | /* |
| 2 | * Copyright (C) 2010 Google, Inc. All Rights Reserved. |
| 3 | * Copyright (C) 2011-2017 Apple Inc. All rights reserved. |
| 4 | * |
| 5 | * Redistribution and use in source and binary forms, with or without |
| 6 | * modification, are permitted provided that the following conditions |
| 7 | * are met: |
| 8 | * 1. Redistributions of source code must retain the above copyright |
| 9 | * notice, this list of conditions and the following disclaimer. |
| 10 | * 2. Redistributions in binary form must reproduce the above copyright |
| 11 | * notice, this list of conditions and the following disclaimer in the |
| 12 | * documentation and/or other materials provided with the distribution. |
| 13 | * |
| 14 | * THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY |
| 15 | * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
| 16 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR |
| 17 | * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR |
| 18 | * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, |
| 19 | * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, |
| 20 | * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR |
| 21 | * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY |
| 22 | * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| 23 | * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
| 24 | * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| 25 | */ |
| 26 | |
| 27 | #include "config.h" |
| 28 | #include "PendingScript.h" |
| 29 | |
| 30 | #include "PendingScriptClient.h" |
| 31 | #include "ScriptElement.h" |
| 32 | |
| 33 | namespace WebCore { |
| 34 | |
| 35 | Ref<PendingScript> PendingScript::create(ScriptElement& element, LoadableScript& loadableScript) |
| 36 | { |
| 37 | auto pendingScript = adoptRef(*new PendingScript(element, loadableScript)); |
| 38 | loadableScript.addClient(pendingScript.get()); |
| 39 | return pendingScript; |
| 40 | } |
| 41 | |
| 42 | Ref<PendingScript> PendingScript::create(ScriptElement& element, TextPosition scriptStartPosition) |
| 43 | { |
| 44 | return adoptRef(*new PendingScript(element, scriptStartPosition)); |
| 45 | } |
| 46 | |
| 47 | PendingScript::PendingScript(ScriptElement& element, TextPosition startingPosition) |
| 48 | : m_element(element) |
| 49 | , m_startingPosition(startingPosition) |
| 50 | { |
| 51 | } |
| 52 | |
| 53 | PendingScript::PendingScript(ScriptElement& element, LoadableScript& loadableScript) |
| 54 | : m_element(element) |
| 55 | , m_loadableScript(&loadableScript) |
| 56 | { |
| 57 | } |
| 58 | |
| 59 | PendingScript::~PendingScript() |
| 60 | { |
| 61 | if (m_loadableScript) |
| 62 | m_loadableScript->removeClient(*this); |
| 63 | } |
| 64 | |
| 65 | void PendingScript::notifyClientFinished() |
| 66 | { |
| 67 | Ref<PendingScript> protectedThis(*this); |
| 68 | if (m_client) |
| 69 | m_client->notifyFinished(*this); |
| 70 | } |
| 71 | |
| 72 | void PendingScript::notifyFinished(LoadableScript&) |
| 73 | { |
| 74 | notifyClientFinished(); |
| 75 | } |
| 76 | |
| 77 | bool PendingScript::isLoaded() const |
| 78 | { |
| 79 | return m_loadableScript && m_loadableScript->isLoaded(); |
| 80 | } |
| 81 | |
| 82 | bool PendingScript::error() const |
| 83 | { |
| 84 | return m_loadableScript && m_loadableScript->error(); |
| 85 | } |
| 86 | |
| 87 | void PendingScript::setClient(PendingScriptClient& client) |
| 88 | { |
| 89 | ASSERT(!m_client); |
| 90 | m_client = &client; |
| 91 | if (isLoaded()) |
| 92 | notifyClientFinished(); |
| 93 | } |
| 94 | |
| 95 | void PendingScript::clearClient() |
| 96 | { |
| 97 | ASSERT(m_client); |
| 98 | m_client = nullptr; |
| 99 | } |
| 100 | |
| 101 | } |
| 102 | |