Implement proxying for FileRef and FileChooser....

ppapi/proxy/ppb_file_chooser_proxy.h

+// 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 PPAPI_PROXY_PPB_FILE_CHOOSER_PROXY_H_
+#define PPAPI_PROXY_PPB_FILE_CHOOSER_PROXY_H_
+
+#include <string>
+#include <vector>
+
+#include "base/basictypes.h"
+#include "ppapi/c/pp_instance.h"
+#include "ppapi/cpp/completion_callback.h"
+#include "ppapi/proxy/interface_proxy.h"
+#include "ppapi/proxy/proxy_non_thread_safe_ref_count.h"
+
+struct PPB_FileChooser_Dev;
+
+namespace pp {
+namespace proxy {
+
+class HostResource;
+struct PPBFileRef_CreateInfo;
+
+class PPB_FileChooser_Proxy : public InterfaceProxy {
+ public:
+  PPB_FileChooser_Proxy(Dispatcher* dispatcher, const void* target_interface);
+  virtual ~PPB_FileChooser_Proxy();
+
+  static const Info* GetInfo();
+
+  const PPB_FileChooser_Dev* ppb_file_chooser_target() const {
+    return static_cast<const PPB_FileChooser_Dev*>(target_interface());
+  }
+
+  // InterfaceProxy implementation.
+  virtual bool OnMessageReceived(const IPC::Message& msg);
+
+ private:
+  // Plugin -> host message handlers.
+  void OnMsgCreate(PP_Instance instance,
+                   int mode,
+                   const std::string& accept_mime_types,
+                   pp::proxy::HostResource* result);
+  void OnMsgShow(const pp::proxy::HostResource& chooser);
+
+  // Host -> plugin message handlers.
+  void OnMsgChooseComplete(
+      const pp::proxy::HostResource& chooser,
+      int32_t result_code,
+      const std::vector<PPBFileRef_CreateInfo>& chosen_files);
+
+  // Called when the show is complete in the host. This will notify the plugin
+  // via IPC and OnMsgChooseComplete will be called there.
+  void OnShowCallback(int32_t result, const HostResource& chooser);
+
+  CompletionCallbackFactory<PPB_FileChooser_Proxy,
+                            ProxyNonThreadSafeRefCount> callback_factory_;
+
+  DISALLOW_COPY_AND_ASSIGN(PPB_FileChooser_Proxy);
+};
+
+}  // namespace proxy
+}  // namespace pp
+
+#endif  // PPAPI_PROXY_PPB_FILE_CHOOSER_PROXY_H_