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 18 namespace ppapi { 19 20 struct FileRefCreateInfo; 21 22 namespace proxy { 23 24 class 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