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#include "content/child/npapi/plugin_stream.h"
6
7#include <string.h>
8
9#include "base/file_util.h"
10#include "base/files/file_path.h"
11#include "base/logging.h"
12#include "content/child/npapi/plugin_instance.h"
13
14namespace content {
15
16void PluginStream::ResetTempFileHandle() {
17  temp_file_ = NULL;
18}
19
20void PluginStream::ResetTempFileName() {
21  temp_file_path_ = base::FilePath();
22}
23
24void PluginStream::WriteAsFile() {
25  if (RequestedPluginModeIsAsFile())
26    instance_->NPP_StreamAsFile(&stream_, temp_file_path_.value().c_str());
27}
28
29size_t PluginStream::WriteBytes(const char* buf, size_t length) {
30  return fwrite(buf, sizeof(char), length, temp_file_);
31}
32
33bool PluginStream::OpenTempFile() {
34  DCHECK_EQ(static_cast<FILE*>(NULL), temp_file_);
35
36  if (file_util::CreateTemporaryFile(&temp_file_path_))
37    temp_file_ = file_util::OpenFile(temp_file_path_, "a");
38
39  if (!temp_file_) {
40    base::DeleteFile(temp_file_path_, false);
41    ResetTempFileName();
42    return false;
43  }
44  return true;
45}
46
47void PluginStream::CloseTempFile() {
48  if (!TempFileIsValid())
49    return;
50
51  file_util::CloseFile(temp_file_);
52  ResetTempFileHandle();
53}
54
55bool PluginStream::TempFileIsValid() const {
56  return temp_file_ != NULL;
57}
58
59}  // namespace content
60