1// Copyright (c) 2012 The Chromium Authors. All rights reserved. 2// Use of this source code is governed by a BSD-style license that can be 3// found in the LICENSE file. 4 5#ifndef PPAPI_PROXY_FILE_CHOOSER_RESOURCE_H_ 6#define PPAPI_PROXY_FILE_CHOOSER_RESOURCE_H_ 7 8#include <queue> 9#include <string> 10#include <vector> 11 12#include "ppapi/proxy/plugin_resource.h" 13#include "ppapi/proxy/ppapi_proxy_export.h" 14#include "ppapi/shared_impl/array_writer.h" 15#include "ppapi/shared_impl/tracked_callback.h" 16#include "ppapi/thunk/ppb_file_chooser_api.h" 17 18namespace ppapi { 19 20struct FileRefCreateInfo; 21 22namespace proxy { 23 24class PPAPI_PROXY_EXPORT FileChooserResource 25 : public PluginResource, 26 public NON_EXPORTED_BASE(thunk::PPB_FileChooser_API) { 27 public: 28 FileChooserResource(Connection connection, 29 PP_Instance instance, 30 PP_FileChooserMode_Dev mode, 31 const std::string& accept_types); 32 virtual ~FileChooserResource(); 33 34 // Resource overrides. 35 virtual thunk::PPB_FileChooser_API* AsPPB_FileChooser_API() OVERRIDE; 36 37 // PPB_FileChooser_API. 38 virtual int32_t Show(const PP_ArrayOutput& output, 39 scoped_refptr<TrackedCallback> callback) OVERRIDE; 40 virtual int32_t ShowWithoutUserGesture( 41 PP_Bool save_as, 42 PP_Var suggested_file_name, 43 const PP_ArrayOutput& output, 44 scoped_refptr<TrackedCallback> callback) OVERRIDE; 45 virtual int32_t Show0_5(scoped_refptr<TrackedCallback> callback) OVERRIDE; 46 virtual PP_Resource GetNextChosenFile() OVERRIDE; 47 virtual int32_t ShowWithoutUserGesture0_5( 48 PP_Bool save_as, 49 PP_Var suggested_file_name, 50 scoped_refptr<TrackedCallback> callback) OVERRIDE; 51 52 // Parses the accept string into the given vector. 53 static void PopulateAcceptTypes(const std::string& input, 54 std::vector<std::string>* output); 55 56 private: 57 void OnPluginMsgShowReply( 58 const ResourceMessageReplyParams& params, 59 const std::vector<FileRefCreateInfo>& chosen_files); 60 61 int32_t ShowInternal(PP_Bool save_as, 62 const PP_Var& suggested_file_name, 63 scoped_refptr<TrackedCallback> callback); 64 65 PP_FileChooserMode_Dev mode_; 66 std::vector<std::string> accept_types_; 67 68 // When using v0.6 of the API, contains the array output info. 69 ArrayWriter output_; 70 71 // When using v0.5 of the API, contains all files returned by the current 72 // show callback that haven't yet been given to the plugin. The plugin will 73 // repeatedly call us to get the next file, and we'll vend those out of this 74 // queue, removing them when ownership has transferred to the plugin. 75 std::queue<PP_Resource> file_queue_; 76 77 scoped_refptr<TrackedCallback> callback_; 78 79 DISALLOW_COPY_AND_ASSIGN(FileChooserResource); 80}; 81 82} // namespace proxy 83} // namespace ppapi 84 85#endif // PPAPI_PROXY_FILE_CHOOSER_RESOURCE_H_ 86