1/*
2 * Copyright (C) 2014, 2015 Apple Inc. All rights reserved.
3 *
4 * Redistribution and use in source and binary forms, with or without
5 * modification, are permitted provided that the following conditions
6 * are met:
7 * 1. Redistributions of source code must retain the above copyright
8 * notice, this list of conditions and the following disclaimer.
9 * 2. Redistributions in binary form must reproduce the above copyright
10 * notice, this list of conditions and the following disclaimer in the
11 * documentation and/or other materials provided with the distribution.
12 *
13 * THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS''
14 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
15 * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
16 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS
17 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
18 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
19 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
20 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
21 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
22 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
23 * THE POSSIBILITY OF SUCH DAMAGE.
24 */
25
26#include "config.h"
27#include "WebInspectorFrontendAPIDispatcher.h"
28
29#include "WebPage.h"
30#include <WebCore/Frame.h>
31#include <WebCore/ScriptController.h>
32#include <WebCore/ScriptState.h>
33
34namespace WebKit {
35
36WebInspectorFrontendAPIDispatcher::WebInspectorFrontendAPIDispatcher(WebPage& page)
37 : m_page(page)
38{
39}
40
41void WebInspectorFrontendAPIDispatcher::reset()
42{
43 m_frontendLoaded = false;
44 m_suspended = false;
45 m_queue.clear();
46}
47
48void WebInspectorFrontendAPIDispatcher::frontendLoaded()
49{
50 m_frontendLoaded = true;
51
52 evaluateQueuedExpressions();
53}
54
55void WebInspectorFrontendAPIDispatcher::suspend()
56{
57 ASSERT(m_frontendLoaded);
58 ASSERT(!m_suspended);
59 ASSERT(m_queue.isEmpty());
60
61 m_suspended = true;
62}
63
64void WebInspectorFrontendAPIDispatcher::unsuspend()
65{
66 ASSERT(m_suspended);
67
68 m_suspended = false;
69
70 evaluateQueuedExpressions();
71}
72
73void WebInspectorFrontendAPIDispatcher::dispatchCommand(const String& command)
74{
75 evaluateOrQueueExpression(makeString("InspectorFrontendAPI.dispatch([\"", command, "\"])"));
76}
77
78void WebInspectorFrontendAPIDispatcher::dispatchCommand(const String& command, const String& argument)
79{
80 evaluateOrQueueExpression(makeString("InspectorFrontendAPI.dispatch([\"", command, "\", \"", argument, "\"])"));
81}
82
83void WebInspectorFrontendAPIDispatcher::dispatchCommand(const String& command, bool argument)
84{
85 evaluateOrQueueExpression(makeString("InspectorFrontendAPI.dispatch([\"", command, "\", ", argument ? "true" : "false", "])"));
86}
87
88void WebInspectorFrontendAPIDispatcher::dispatchMessageAsync(const String& message)
89{
90 evaluateOrQueueExpression(makeString("InspectorFrontendAPI.dispatchMessageAsync(", message, ")"));
91}
92
93void WebInspectorFrontendAPIDispatcher::evaluateOrQueueExpression(const String& expression)
94{
95 if (!m_frontendLoaded || m_suspended) {
96 m_queue.append(expression);
97 return;
98 }
99
100 ASSERT(m_queue.isEmpty());
101 ASSERT(!m_page.corePage()->mainFrame().script().isPaused());
102 m_page.corePage()->mainFrame().script().executeScript(expression);
103}
104
105void WebInspectorFrontendAPIDispatcher::evaluateQueuedExpressions()
106{
107 if (m_queue.isEmpty())
108 return;
109
110 for (const String& expression : m_queue) {
111 ASSERT(!m_page.corePage()->mainFrame().script().isPaused());
112 m_page.corePage()->mainFrame().script().executeScript(expression);
113 }
114
115 m_queue.clear();
116}
117
118} // namespace WebKit
119