Reland 103021: Printing preview of a PDF on Mac with Skia only previews the last page of the PDF

printing/metafile_skia_wrapper.cc

 // Copyright (c) 2011 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 "base/logging.h"
 #include "printing/metafile_skia_wrapper.h"
+#include "skia/ext/platform_device.h"
 #include "third_party/skia/include/core/SkCanvas.h"
 #include "third_party/skia/include/core/SkDevice.h"
 #include "third_party/skia/include/core/SkMetaData.h"
 
 namespace printing {
 
 namespace {
 
-const char* kDraftModeKey = "CrDraftMode";
 const char* kMetafileKey = "CrMetafile";
 
-SkMetaData& getMetaData(SkCanvas* canvas) {
-  DCHECK(canvas != NULL);
-
-  SkDevice* device = canvas->getDevice();
-  DCHECK(device != NULL);
-  return device->getMetaData();
-}
-
 }  // namespace
 
 // static
-void MetafileSkiaWrapper::SetMetafileOnCanvas(SkCanvas* canvas,
+void MetafileSkiaWrapper::SetMetafileOnCanvas(const SkCanvas& canvas,
                                               Metafile* metafile) {
   MetafileSkiaWrapper* wrapper = NULL;
   if (metafile)
     wrapper = new MetafileSkiaWrapper(metafile);
 
-  SkMetaData& meta = getMetaData(canvas);
+  SkMetaData& meta = skia::getMetaData(canvas);
   meta.setRefCnt(kMetafileKey, wrapper);
   SkSafeUnref(wrapper);
 }
 
 // static
-Metafile* MetafileSkiaWrapper::GetMetafileFromCanvas(SkCanvas* canvas) {
-  SkMetaData& meta = getMetaData(canvas);
+Metafile* MetafileSkiaWrapper::GetMetafileFromCanvas(const SkCanvas& canvas) {
+  SkMetaData& meta = skia::getMetaData(canvas);
   SkRefCnt* value;
   if (!meta.findRefCnt(kMetafileKey, &value) || !value)
     return NULL;
 
   return static_cast<MetafileSkiaWrapper*>(value)->metafile_;
 }
 
-// static
-void MetafileSkiaWrapper::SetDraftMode(SkCanvas* canvas, bool draft_mode) {
-  SkMetaData& meta = getMetaData(canvas);
-  meta.setBool(kDraftModeKey, draft_mode);
-}
-
-// static
-bool MetafileSkiaWrapper::GetDraftMode(SkCanvas* canvas) {
-  SkMetaData& meta = getMetaData(canvas);
-  bool draft_mode;
-  if (!meta.findBool(kDraftModeKey, &draft_mode))
-    draft_mode = false;
-  return draft_mode;
-}
-
 MetafileSkiaWrapper::MetafileSkiaWrapper(Metafile* metafile)
     : metafile_(metafile) {
 }
 
 }  // namespace printing