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// Copyright (c) 2011 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef WEBKIT_PLUGINS_PPAPI_PPB_FILE_CHOOSER_IMPL_H_
#define WEBKIT_PLUGINS_PPAPI_PPB_FILE_CHOOSER_IMPL_H_
#include <string>
#include <vector>
#include "base/memory/ref_counted.h"
#include "ppapi/c/dev/ppb_file_chooser_dev.h"
#include "ppapi/thunk/ppb_file_chooser_api.h"
#include "webkit/plugins/ppapi/resource.h"
struct PP_CompletionCallback;
namespace webkit {
namespace ppapi {
class PluginInstance;
class PPB_FileRef_Impl;
class TrackedCompletionCallback;
class PPB_FileChooser_Impl : public Resource,
public ::ppapi::thunk::PPB_FileChooser_API {
public:
PPB_FileChooser_Impl(PluginInstance* instance,
const PP_FileChooserOptions_Dev* options);
virtual ~PPB_FileChooser_Impl();
static PP_Resource Create(PluginInstance* instance,
const PP_FileChooserOptions_Dev* options);
// Resource overrides.
virtual PPB_FileChooser_Impl* AsPPB_FileChooser_Impl();
// Resource overrides.
virtual ::ppapi::thunk::PPB_FileChooser_API* AsPPB_FileChooser_API() OVERRIDE;
// Stores the list of selected files.
void StoreChosenFiles(const std::vector<std::string>& files);
// Check that |callback| is valid (only non-blocking operation is supported)
// and that no callback is already pending. Returns |PP_OK| if okay, else
// |PP_ERROR_...| to be returned to the plugin.
int32_t ValidateCallback(const PP_CompletionCallback& callback);
// Sets up |callback| as the pending callback. This should only be called once
// it is certain that |PP_OK_COMPLETIONPENDING| will be returned.
void RegisterCallback(const PP_CompletionCallback& callback);
void RunCallback(int32_t result);
// PPB_FileChooser_API implementation.
virtual int32_t Show(PP_CompletionCallback callback) OVERRIDE;
virtual PP_Resource GetNextChosenFile() OVERRIDE;
private:
PP_FileChooserMode_Dev mode_;
std::string accept_mime_types_;
scoped_refptr<TrackedCompletionCallback> callback_;
std::vector< scoped_refptr<PPB_FileRef_Impl> > chosen_files_;
size_t next_chosen_file_index_;
};
} // namespace ppapi
} // namespace webkit
#endif // WEBKIT_PLUGINS_PPAPI_PPB_FILE_CHOOSER_IMPL_H_
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