Extracted MetafilePlayer interface from printing::MetafilePlayer.

Removed some unused code.
Updated interfaces from plain pointers to scoped_ptr<>
SaveTo(base::FilePath) replaced with SaveTo(base::File).

BUG=408184
TBR=sgurun@chromium.org

Review URL: https://codereview.chromium.org/568633002

Cr-Commit-Position: refs/heads/master@{#294556}

1 files changed, 49 insertions, 0 deletions

diff --git a/printing/metafile.cc b/printing/metafile.cc
new file mode 100644
index 0000000..ece61df
--- /dev/null
+++ b/printing/metafile.cc
@@ -0,0 +1,49 @@
+// Copyright 2014 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 "printing/metafile.h"
+
+#include <vector>
+
+#include "base/files/file.h"
+#include "base/numerics/safe_conversions.h"
+
+namespace printing {
+
+MetafilePlayer::MetafilePlayer() {
+}
+
+MetafilePlayer::~MetafilePlayer() {
+}
+
+Metafile::Metafile() {
+}
+
+Metafile::~Metafile() {
+}
+
+bool Metafile::GetDataAsVector(std::vector<char>* buffer) const {
+  buffer->resize(GetDataSize());
+  if (buffer->empty())
+    return false;
+  return GetData(&buffer->front(), base::checked_cast<uint32>(buffer->size()));
+}
+
+bool Metafile::SaveTo(base::File* file) const {
+  if (!file->IsValid())
+    return false;
+
+  std::vector<char> buffer;
+  if (!GetDataAsVector(&buffer))
+    return false;
+
+  int size = base::checked_cast<int>(buffer.size());
+  if (file->WriteAtCurrentPos(&buffer[0], size) != size) {
+    DLOG(ERROR) << "Failed to save file.";
+    return false;
+  }
+  return true;
+}
+
+}  // namespace printing