WebCore/platform/FileChooser.h
changeset 0 4f2f89ce4247
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/WebCore/platform/FileChooser.h	Fri Sep 17 09:02:29 2010 +0300
@@ -0,0 +1,94 @@
+/*
+ * Copyright (C) 2006, 2007, 2008 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. 
+ * 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.
+ *
+ */
+
+#ifndef FileChooser_h
+#define FileChooser_h
+
+#include "PlatformString.h"
+#include <wtf/Vector.h>
+
+namespace WebCore {
+
+class FileChooser;
+class Font;
+class Icon;
+
+class FileChooserClient {
+public:
+    virtual void valueChanged() = 0;
+    virtual void repaint() = 0;
+    virtual bool allowsMultipleFiles() = 0;
+#if ENABLE(DIRECTORY_UPLOAD)
+    virtual bool allowsDirectoryUpload() = 0;
+#endif
+    virtual String acceptTypes() = 0;
+    virtual void chooseIconForFiles(FileChooser*, const Vector<String>&) = 0;
+    virtual ~FileChooserClient();
+};
+
+class FileChooser : public RefCounted<FileChooser> {
+public:
+    static PassRefPtr<FileChooser> create(FileChooserClient*, const Vector<String>& initialFilenames);
+    ~FileChooser();
+
+    void disconnectClient() { m_client = 0; }
+    bool disconnected() { return !m_client; }
+
+    const Vector<String>& filenames() const { return m_filenames; }
+    String basenameForWidth(const Font&, int width) const;
+
+    Icon* icon() const { return m_icon.get(); }
+
+    void clear(); // for use by client; does not call valueChanged
+
+    void chooseFile(const String& path);
+    void chooseFiles(const Vector<String>& paths);
+    // Called when FileChooserClient finishes to load an icon requested by iconForFiles().
+    void iconLoaded(PassRefPtr<Icon>);
+
+    bool allowsMultipleFiles() const { return m_client ? m_client->allowsMultipleFiles() : false; }
+#if ENABLE(DIRECTORY_UPLOAD)
+    bool allowsDirectoryUpload() const { return m_client ? m_client->allowsDirectoryUpload() : false; }
+#endif
+    // Acceptable MIME types.  It's an 'accept' attribute value of the corresponding INPUT element.
+    String acceptTypes() const { return m_client ? m_client->acceptTypes() : String(); }
+
+private:
+    FileChooser(FileChooserClient*, const Vector<String>& initialFilenames);
+    void loadIcon();
+
+    FileChooserClient* m_client;
+    Vector<String> m_filenames;
+    RefPtr<Icon> m_icon;
+    bool m_isInitializing;
+};
+
+} // namespace WebCore
+
+#endif // FileChooser_h