Merge WebKit at r71558: Initial merge by git.

Change-Id: Ib345578fa29df7e4bc72b4f00e4a6fddcb754c4c

1 files changed, 162 insertions, 0 deletions

diff --git a/WebCore/inspector/InspectorFileSystemAgent.cpp b/WebCore/inspector/InspectorFileSystemAgent.cpp
new file mode 100644
index 0000000..2192fd1
--- /dev/null
+++ b/WebCore/inspector/InspectorFileSystemAgent.cpp
@@ -0,0 +1,162 @@
+/*
+ * Copyright (C) 2010 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:
+ *
+ *     * Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ *     * 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.
+ *     * Neither the name of Google Inc. 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 THE COPYRIGHT HOLDERS AND 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 THE COPYRIGHT
+ * OWNER OR 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 "InspectorFileSystemAgent.h"
+
+#if ENABLE(INSPECTOR) && ENABLE(FILE_SYSTEM)
+
+#include "AsyncFileWriter.h"
+#include "Document.h"
+#include "FileSystem.h"
+#include "FileSystemCallbacks.h"
+#include "Frame.h"
+#include "FrameTree.h"
+#include "InspectorController.h"
+#include "InspectorFrontend.h"
+#include "LocalFileSystem.h"
+#include "Page.h"
+#include "RuntimeEnabledFeatures.h"
+
+namespace WebCore {
+
+class InspectorFileSystemAgentCallbacks : public AsyncFileSystemCallbacks {
+public:
+    InspectorFileSystemAgentCallbacks(InspectorFileSystemAgent* agent, AsyncFileSystem::Type type, const String& origin)
+        : m_agent(agent)
+        , m_type(type)
+        , m_origin(origin)
+    { 
+    }
+
+    ~InspectorFileSystemAgentCallbacks()
+    {
+    }
+
+    // FileSystemCallbacks is only used for getting filesystem. All other methods are irrelevant and will not be called.
+    void didSucceed()
+    {
+        ASSERT_NOT_REACHED();
+    }
+
+    void didOpenFileSystem(const String& name, PassOwnPtr<AsyncFileSystem> fileSystem)
+    {
+        // Agent will be alive even if InspectorController is destroyed until callback is run.
+        m_agent->didGetFileSystemPath(fileSystem->root(), m_type, m_origin);
+    }
+
+    void didReadMetadata(const FileMetadata&)
+    {
+        ASSERT_NOT_REACHED();
+    }
+
+    void didReadDirectoryEntry(const String& name, bool isDirectory)
+    {
+        ASSERT_NOT_REACHED();
+    }
+
+    void didReadDirectoryEntries(bool hasMore)
+    {
+        ASSERT_NOT_REACHED();
+    }
+
+    void didCreateFileWriter(PassOwnPtr<AsyncFileWriter> writer, long long length)
+    {
+        ASSERT_NOT_REACHED();
+    }
+    
+    void didFail(int code)
+    {
+        // FIXME: Is it useful to give back the code to Inspector UI?
+        m_agent->didGetFileSystemError(m_type, m_origin);
+    }
+
+private:
+    RefPtr<InspectorFileSystemAgent> m_agent;
+    AsyncFileSystem::Type m_type;
+    String m_origin;
+};
+
+InspectorFileSystemAgent::InspectorFileSystemAgent(InspectorController* inspectorController, InspectorFrontend* frontend)
+    : m_inspectorController(inspectorController)
+    , m_frontend(frontend)
+{
+}
+
+InspectorFileSystemAgent::~InspectorFileSystemAgent() { }
+
+void InspectorFileSystemAgent::stop()
+{
+    m_inspectorController = 0;
+}
+
+void InspectorFileSystemAgent::revealFolderInOS(const String& path)
+{
+    WebCore::revealFolderInOS(path);
+}
+
+void InspectorFileSystemAgent::getFileSystemPathAsync(unsigned int type, const String& origin)
+{
+    if (!RuntimeEnabledFeatures::fileSystemEnabled()) {
+        m_frontend->didGetFileSystemDisabled();
+        return;
+    }
+
+    AsyncFileSystem::Type asyncFileSystemType = static_cast<AsyncFileSystem::Type>(type);
+    Frame* mainFrame = m_inspectorController->inspectedPage()->mainFrame();
+    for (Frame* frame = mainFrame; frame; frame = frame->tree()->traverseNext()) {
+        Document* document = frame->document();
+        if (document && document->securityOrigin()->toString() == origin) {
+            LocalFileSystem::localFileSystem().readFileSystem(document, asyncFileSystemType, 0, new InspectorFileSystemAgentCallbacks(this, asyncFileSystemType, origin));
+            return;
+        }
+    }
+}
+
+void InspectorFileSystemAgent::didGetFileSystemPath(const String& root, AsyncFileSystem::Type type, const String& origin)
+{
+    // When controller is being destroyed, this is set to 0. Agent can live even after m_inspectorController is destroyed.
+    if (!m_inspectorController)
+        return;
+
+    m_frontend->didGetFileSystemPath(root, static_cast<unsigned int>(type), origin);
+}
+
+void InspectorFileSystemAgent::didGetFileSystemError(AsyncFileSystem::Type type, const String& origin)
+{
+    // When controller is being destroyed, this is set to 0. Agent can live even after m_inspectorController is destroyed.
+    if (!m_inspectorController)
+        return;
+    m_frontend->didGetFileSystemError(static_cast<unsigned int>(type), origin);
+}
+
+} // namespace WebCore
+
+#endif // ENABLE(INSPECTOR) && ENABLE(FILE_SYSTEM)