webkitgtk-2.16.5HEADwebkitgtk-2.16.5master

1 files changed, 118 insertions, 0 deletions

diff --git a/Source/WebKit2/WebProcess/WebPage/WebInspectorFrontendAPIDispatcher.cpp b/Source/WebKit2/WebProcess/WebPage/WebInspectorFrontendAPIDispatcher.cpp
new file mode 100644
index 000000000..5257731ea
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+++ b/Source/WebKit2/WebProcess/WebPage/WebInspectorFrontendAPIDispatcher.cpp
@@ -0,0 +1,118 @@
+/*
+ * Copyright (C) 2014, 2015 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 "WebInspectorFrontendAPIDispatcher.h"
+
+#include "WebPage.h"
+#include <WebCore/MainFrame.h>
+#include <WebCore/ScriptController.h>
+#include <WebCore/ScriptState.h>
+
+namespace WebKit {
+
+WebInspectorFrontendAPIDispatcher::WebInspectorFrontendAPIDispatcher(WebPage& page)
+    : m_page(page)
+{
+}
+
+void WebInspectorFrontendAPIDispatcher::reset()
+{
+    m_frontendLoaded = false;
+    m_suspended = false;
+    m_queue.clear();
+}
+
+void WebInspectorFrontendAPIDispatcher::frontendLoaded()
+{
+    m_frontendLoaded = true;
+
+    evaluateQueuedExpressions();
+}
+
+void WebInspectorFrontendAPIDispatcher::suspend()
+{
+    ASSERT(m_frontendLoaded);
+    ASSERT(!m_suspended);
+    ASSERT(m_queue.isEmpty());
+
+    m_suspended = true;
+}
+
+void WebInspectorFrontendAPIDispatcher::unsuspend()
+{
+    ASSERT(m_suspended);
+
+    m_suspended = false;
+
+    evaluateQueuedExpressions();
+}
+
+void WebInspectorFrontendAPIDispatcher::dispatchCommand(const String& command)
+{
+    evaluateOrQueueExpression(makeString("InspectorFrontendAPI.dispatch([\"", command, "\"])"));
+}
+
+void WebInspectorFrontendAPIDispatcher::dispatchCommand(const String& command, const String& argument)
+{
+    evaluateOrQueueExpression(makeString("InspectorFrontendAPI.dispatch([\"", command, "\", \"", argument, "\"])"));
+}
+
+void WebInspectorFrontendAPIDispatcher::dispatchCommand(const String& command, bool argument)
+{
+    evaluateOrQueueExpression(makeString("InspectorFrontendAPI.dispatch([\"", command, "\", ", argument ? "true" : "false", "])"));
+}
+
+void WebInspectorFrontendAPIDispatcher::dispatchMessageAsync(const String& message)
+{
+    evaluateOrQueueExpression(makeString("InspectorFrontendAPI.dispatchMessageAsync(", message, ")"));
+}
+
+void WebInspectorFrontendAPIDispatcher::evaluateOrQueueExpression(const String& expression)
+{
+    if (!m_frontendLoaded || m_suspended) {
+        m_queue.append(expression);
+        return;
+    }
+
+    ASSERT(m_queue.isEmpty());
+    ASSERT(!m_page.corePage()->mainFrame().script().isPaused());
+    m_page.corePage()->mainFrame().script().executeScript(expression);
+}
+
+void WebInspectorFrontendAPIDispatcher::evaluateQueuedExpressions()
+{
+    if (m_queue.isEmpty())
+        return;
+
+    for (const String& expression : m_queue) {
+        ASSERT(!m_page.corePage()->mainFrame().script().isPaused());
+        m_page.corePage()->mainFrame().script().executeScript(expression);
+    }
+
+    m_queue.clear();
+}
+
+} // namespace WebKit