// Copyright (c) 2012 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 #include #include "base/compiler_specific.h" #include "base/memory/ref_counted.h" #include "ppapi/c/dev/ppb_file_chooser_dev.h" #include "ppapi/shared_impl/array_writer.h" #include "ppapi/shared_impl/resource.h" #include "ppapi/thunk/ppb_file_chooser_api.h" #include "webkit/plugins/webkit_plugins_export.h" struct PP_CompletionCallback; namespace ppapi { class TrackedCallback; } namespace WebKit { class WebString; } namespace webkit { namespace ppapi { class PPB_FileRef_Impl; class PPB_FileChooser_Impl : public ::ppapi::Resource, public ::ppapi::thunk::PPB_FileChooser_API { public: // Structure to store the information of chosen files. struct ChosenFileInfo { ChosenFileInfo(const std::string& path, const std::string& display_name); std::string path; // |display_name| may be empty. std::string display_name; }; PPB_FileChooser_Impl(PP_Instance instance, PP_FileChooserMode_Dev mode, const char* accept_types); virtual ~PPB_FileChooser_Impl(); static PP_Resource Create(PP_Instance instance, PP_FileChooserMode_Dev mode, const char* accept_types); // 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& 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(const PP_ArrayOutput& output, const PP_CompletionCallback& callback) OVERRIDE; virtual int32_t ShowWithoutUserGesture( PP_Bool save_as, PP_Var suggested_file_name, const PP_ArrayOutput& output, const PP_CompletionCallback& callback); virtual int32_t Show0_5(const PP_CompletionCallback& callback) OVERRIDE; virtual PP_Resource GetNextChosenFile() OVERRIDE; virtual int32_t ShowWithoutUserGesture0_5( PP_Bool save_as, PP_Var suggested_file_name, const PP_CompletionCallback& callback) OVERRIDE; // Splits a comma-separated MIME type/extension list |accept_types|, trims the // resultant split types, makes them lowercase, and returns them. // Though this should be private, this is public for testing. WEBKIT_PLUGINS_EXPORT static std::vector ParseAcceptValue( const std::string& accept_types); private: PP_FileChooserMode_Dev mode_; std::string accept_types_; scoped_refptr< ::ppapi::TrackedCallback> callback_; // When using the v0.6 of the API, this will contain the output for the // resources when the show command is complete. When using 0.5, this // object will be is_null() and the chosen_files_ will be used instead. ::ppapi::ArrayWriter output_; // Used to store and iterate over the results when using 0.5 of the API. // These are valid when we get a file result and output_ is not null. std::vector< scoped_refptr > chosen_files_; size_t next_chosen_file_index_; }; } // namespace ppapi } // namespace webkit #endif // WEBKIT_PLUGINS_PPAPI_PPB_FILE_CHOOSER_IMPL_H_