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// Copyright (c) 2010 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_C_DEV_PPB_FILE_CHOOSER_DEV_H_
#define PPAPI_C_DEV_PPB_FILE_CHOOSER_DEV_H_
#include "ppapi/c/pp_bool.h"
#include "ppapi/c/pp_instance.h"
#include "ppapi/c/pp_macros.h"
#include "ppapi/c/pp_resource.h"
struct PP_CompletionCallback;
typedef enum {
PP_FILECHOOSERMODE_OPEN,
PP_FILECHOOSERMODE_OPENMULTIPLE
// TODO(darin): Should there be a way to choose a directory?
} PP_FileChooserMode_Dev;
PP_COMPILE_ASSERT_SIZE_IN_BYTES(PP_FileChooserMode_Dev, 4);
struct PP_FileChooserOptions_Dev {
PP_FileChooserMode_Dev mode;
// A comma-separated list of MIME types such as audio/*,text/plain. The
// dialog may restrict selectable files to the specified MIME types.
// TODO(darin): What if the mime type is unknown to the system? The plugin
// may wish to describe the mime type and provide a matching file extension.
// It is more webby to use mime types here instead of file extensions.
const char* accept_mime_types;
};
#define PPB_FILECHOOSER_DEV_INTERFACE "PPB_FileChooser(Dev);0.3"
struct PPB_FileChooser_Dev {
// Creates a file chooser dialog with the specified options. The chooser is
// associated with a particular instance, so that it may be positioned on the
// screen relative to the tab containing the instance. Returns 0 if passed
// an invalid instance.
//
// A PPB_FileChooser_Dev instance can be used to select a single file
// (PP_FILECHOOSERMODE_OPEN) or multiple files
// (PP_FILECHOOSERMODE_OPENMULTIPLE). Unlike the HTML5 <input type="file">
// tag, a PPB_FileChooser_Dev instance cannot be used to select a directory.
// In order to get the list of files in a directory, the
// PPB_DirectoryReader_Dev interface must be used.
PP_Resource (*Create)(PP_Instance instance,
const struct PP_FileChooserOptions_Dev* options);
// Returns PP_TRUE if the given resource is a FileChooser. Returns PP_FALSE
// if the resource is invalid or some type other than a FileChooser.
PP_Bool (*IsFileChooser)(PP_Resource resource);
// Prompts the user to choose a file or files.
int32_t (*Show)(PP_Resource chooser, struct PP_CompletionCallback callback);
// After a successful call to Show, this method may be used to query the
// chosen files. It should be called in a loop until it returns 0.
// Depending on the PP_ChooseFileMode requested when the FileChooser was
// created, the file refs will either be readable or writable. Their file
// system type will be PP_FileSystemType_External. If the user chose no
// files or cancelled the dialog, then this method will simply return 0
// the first time it is called.
PP_Resource (*GetNextChosenFile)(PP_Resource chooser);
};
#endif // PPAPI_C_DEV_PPB_FILE_CHOOSER_DEV_H_
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