Wire up the Inspector V8 Debugger

sky/engine/core/inspector/InjectedScriptManager.cpp

+/*
+ * Copyright (C) 2007, 2008 Apple Inc. All rights reserved.
+ * Copyright (C) 2008 Matt Lilek <webkit@mattlilek.com>
+ * Copyright (C) 2012 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:
+ *
+ * 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.
+ * 3.  Neither the name of Apple Computer, Inc. ("Apple") 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 APPLE 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 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 "core/inspector/InjectedScriptManager.h"
+
+#include "bindings/core/v8/ScriptValue.h"
+#include "core/inspector/InjectedScript.h"
+#include "core/inspector/InjectedScriptHost.h"
+#include "core/inspector/JSONParser.h"
+#include "platform/JSONValues.h"
+#include "public/platform/Platform.h"
+#include "public/platform/WebData.h"
+#include "wtf/PassOwnPtr.h"
+
+namespace blink {
+
+PassOwnPtr<InjectedScriptManager> InjectedScriptManager::createForPage()
+{
+    return adoptPtr(new InjectedScriptManager);
+}
+
+InjectedScriptManager::InjectedScriptManager()
+    : m_nextInjectedScriptId(1)
+    , m_injectedScriptHost(InjectedScriptHost::create())
+{
+}
+
+InjectedScriptManager::~InjectedScriptManager()
+{
+}
+
+void InjectedScriptManager::disconnect()
+{
+    m_injectedScriptHost->disconnect();
+    m_injectedScriptHost.clear();
+}
+
+InjectedScriptHost* InjectedScriptManager::injectedScriptHost()
+{
+    return m_injectedScriptHost.get();
+}
+
+InjectedScript InjectedScriptManager::injectedScriptForId(int id)
+{
+    IdToInjectedScriptMap::iterator it = m_idToInjectedScript.find(id);
+    if (it != m_idToInjectedScript.end())
+        return it->value;
+    for (ScriptStateToId::iterator it = m_scriptStateToId.begin(); it != m_scriptStateToId.end(); ++it) {
+        if (it->value == id)
+            return injectedScriptFor(it->key.get());
+    }
+    return InjectedScript();
+}
+
+int InjectedScriptManager::injectedScriptIdFor(ScriptState* scriptState)
+{
+    ScriptStateToId::iterator it = m_scriptStateToId.find(scriptState);
+    if (it != m_scriptStateToId.end())
+        return it->value;
+    int id = m_nextInjectedScriptId++;
+    m_scriptStateToId.set(scriptState, id);
+    return id;
+}
+
+InjectedScript InjectedScriptManager::injectedScriptForObjectId(const String& objectId)
+{
+    RefPtr<JSONValue> parsedObjectId = parseJSON(objectId);
+    if (parsedObjectId && parsedObjectId->type() == JSONValue::TypeObject) {
+        long injectedScriptId = 0;
+        bool success = parsedObjectId->asObject()->getNumber("injectedScriptId", &injectedScriptId);
+        if (success)
+            return m_idToInjectedScript.get(injectedScriptId);
+    }
+    return InjectedScript();
+}
+
+void InjectedScriptManager::discardInjectedScripts()
+{
+    m_idToInjectedScript.clear();
+    m_scriptStateToId.clear();
+}
+
+void InjectedScriptManager::discardInjectedScriptsFor(LocalDOMWindow* window)
+{
+    if (m_scriptStateToId.isEmpty())
+        return;
+
+    Vector<long> idsToRemove;
+    IdToInjectedScriptMap::iterator end = m_idToInjectedScript.end();
+    for (IdToInjectedScriptMap::iterator it = m_idToInjectedScript.begin(); it != end; ++it) {
+        ScriptState* scriptState = it->value.scriptState();
+        if (window != scriptState->domWindow())
+            continue;
+        m_scriptStateToId.remove(scriptState);
+        idsToRemove.append(it->key);
+    }
+    m_idToInjectedScript.removeAll(idsToRemove);
+
+    // Now remove script states that have id but no injected script.
+    Vector<ScriptState*> scriptStatesToRemove;
+    for (ScriptStateToId::iterator it = m_scriptStateToId.begin(); it != m_scriptStateToId.end(); ++it) {
+        ScriptState* scriptState = it->key.get();
+        if (window == scriptState->domWindow())
+            scriptStatesToRemove.append(scriptState);
+    }
+    m_scriptStateToId.removeAll(scriptStatesToRemove);
+}
+
+void InjectedScriptManager::releaseObjectGroup(const String& objectGroup)
+{
+    Vector<int> keys;
+    keys.appendRange(m_idToInjectedScript.keys().begin(), m_idToInjectedScript.keys().end());
+    for (Vector<int>::iterator k = keys.begin(); k != keys.end(); ++k) {
+        IdToInjectedScriptMap::iterator s = m_idToInjectedScript.find(*k);
+        if (s != m_idToInjectedScript.end())
+            s->value.releaseObjectGroup(objectGroup); // m_idToInjectedScript may change here.
+    }
+}
+
+String InjectedScriptManager::injectedScriptSource()
+{
+    const blink::WebData& injectedScriptSourceResource = blink::Platform::current()->loadResource("InjectedScriptSource.js");
+    return String(injectedScriptSourceResource.data(), injectedScriptSourceResource.size());
+}
+
+InjectedScript InjectedScriptManager::injectedScriptFor(ScriptState* inspectedScriptState)
+{
+    ScriptStateToId::iterator it = m_scriptStateToId.find(inspectedScriptState);
+    if (it != m_scriptStateToId.end()) {
+        IdToInjectedScriptMap::iterator it1 = m_idToInjectedScript.find(it->value);
+        if (it1 != m_idToInjectedScript.end())
+            return it1->value;
+    }
+
+    int id = injectedScriptIdFor(inspectedScriptState);
+    ScriptValue injectedScriptValue = createInjectedScript(injectedScriptSource(), inspectedScriptState, id);
+    InjectedScript result(injectedScriptValue);
+    m_idToInjectedScript.set(id, result);
+    return result;
+}
+
+} // namespace blink
+