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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.
#include "webkit/glue/plugins/pepper_file_system.h"
#include "base/ref_counted.h"
#include "ppapi/c/dev/ppb_file_system_dev.h"
#include "ppapi/c/pp_completion_callback.h"
#include "third_party/WebKit/WebKit/chromium/public/WebDocument.h"
#include "third_party/WebKit/WebKit/chromium/public/WebElement.h"
#include "third_party/WebKit/WebKit/chromium/public/WebFrame.h"
#include "third_party/WebKit/WebKit/chromium/public/WebPluginContainer.h"
#include "webkit/fileapi/file_system_types.h"
#include "webkit/glue/plugins/pepper_directory_reader.h"
#include "webkit/glue/plugins/pepper_file_callbacks.h"
#include "webkit/glue/plugins/pepper_plugin_delegate.h"
#include "webkit/glue/plugins/pepper_plugin_instance.h"
#include "webkit/glue/plugins/pepper_plugin_module.h"
#include "webkit/glue/plugins/pepper_resource.h"
#include "webkit/glue/plugins/pepper_resource_tracker.h"
namespace pepper {
namespace {
PP_Resource Create(PP_Instance instance, PP_FileSystemType_Dev type) {
PluginInstance* plugin_instance =
ResourceTracker::Get()->GetInstance(instance);
if (!plugin_instance)
return 0;
FileSystem* file_system = new FileSystem(plugin_instance, type);
return file_system->GetReference();
}
int32_t Open(PP_Resource file_system_id,
int64 expected_size,
PP_CompletionCallback callback) {
scoped_refptr<FileSystem> file_system(
Resource::GetAs<FileSystem>(file_system_id));
if (!file_system)
return PP_ERROR_BADRESOURCE;
if (file_system->opened())
return PP_OK;
if ((file_system->type() != PP_FILESYSTEMTYPE_LOCALPERSISTENT) &&
(file_system->type() != PP_FILESYSTEMTYPE_LOCALTEMPORARY))
return PP_ERROR_FAILED;
PluginInstance* instance = file_system->instance();
fileapi::FileSystemType file_system_type =
(file_system->type() == PP_FILESYSTEMTYPE_LOCALTEMPORARY ?
fileapi::kFileSystemTypeTemporary :
fileapi::kFileSystemTypePersistent);
if (!instance->delegate()->OpenFileSystem(
instance->container()->element().document().frame()->url(),
file_system_type, expected_size,
new FileCallbacks(instance->module()->AsWeakPtr(),
callback, NULL, file_system, NULL)))
return PP_ERROR_FAILED;
return PP_ERROR_WOULDBLOCK;
}
const PPB_FileSystem_Dev ppb_filesystem = {
&Create,
&Open
};
} // namespace
FileSystem::FileSystem(PluginInstance* instance, PP_FileSystemType_Dev type)
: Resource(instance->module()),
instance_(instance),
type_(type),
opened_(false) {
}
const PPB_FileSystem_Dev* FileSystem::GetInterface() {
return &ppb_filesystem;
}
} // namespace pepper
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