Add PPAPI C++ wrappers for PDF.

ppapi/cpp/private/pdf.cc

Index: ppapi/cpp/private/pdf.cc
diff --git a/ppapi/cpp/private/pdf.cc b/ppapi/cpp/private/pdf.cc
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+++ b/ppapi/cpp/private/pdf.cc
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+// Copyright (c) 2013 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 "ppapi/cpp/private/pdf.h"
+
+#include "ppapi/cpp/image_data.h"
+#include "ppapi/cpp/instance_handle.h"
+#include "ppapi/cpp/module_impl.h"
+#include "ppapi/cpp/var.h"
+
+namespace pp {
+
+namespace {
+
+template <> const char* interface_name<PPB_PDF>() {
+  return PPB_PDF_INTERFACE;
+}
+
+}  // namespace
+
+// static
+bool PDF::IsAvailable() {
+  return has_interface<PPB_PDF>();
+}
+
+// static
+Var PDF::GetLocalizedString(const InstanceHandle& instance,
+                            PP_ResourceString string_id) {
+  if (has_interface<PPB_PDF>()) {
+    return pp::Var(pp::PASS_REF,
+                   get_interface<PPB_PDF>()->GetLocalizedString(
+                       instance.pp_instance(), string_id));
+  }
+  return Var();
+}
+
+// static
+pp::ImageData PDF::GetResourceImage(const InstanceHandle& instance,
+                                    PP_ResourceImage image_id) {
+  if (has_interface<PPB_PDF>()) {
+    return pp::ImageData(pp::PASS_REF,
+                         get_interface<PPB_PDF>()->GetResourceImage(
+                             instance.pp_instance(), image_id));
+  }
+  return pp::ImageData();
+}
+
+// static
+PP_Resource PDF::GetFontFileWithFallback(
+    const InstanceHandle& instance,
+    const struct PP_FontDescription_Dev* description,

[yzshen1, 2013/03/18 17:55:47]

nit: 'struct' is not needed (and there are other places in this file).

[raymes, 2013/03/18 18:15:39]

Done.

+    PP_PrivateFontCharset charset) {
+  if (has_interface<PPB_PDF>()) {
+    return get_interface<PPB_PDF>()->GetFontFileWithFallback(
+        instance.pp_instance(), description, charset);
+  }
+  return 0;
+}
+
+// static
+bool PDF::GetFontTableForPrivateFontFile(const InstanceHandle& instance,
+                                         PP_Resource font_file,
+                                         uint32_t table,
+                                         void* output,
+                                         uint32_t* output_length) {
+  if (has_interface<PPB_PDF>()) {
+    return get_interface<PPB_PDF>()->GetFontTableForPrivateFontFile(font_file,
+        table, output, output_length);
+  }
+  return false;
+}
+
+// static
+void PDF::SearchString(const InstanceHandle& instance,
+                       const unsigned short* string,
+                       const unsigned short* term,
+                       bool case_sensitive,
+                       struct PP_PrivateFindResult** results,
+                       int* count) {
+  if (has_interface<PPB_PDF>()) {
+    get_interface<PPB_PDF>()->SearchString(instance.pp_instance(), string,
+        term, case_sensitive, results, count);
+  }
+}
+
+// static
+void PDF::DidStartLoading(const InstanceHandle& instance) {
+  if (has_interface<PPB_PDF>())
+    get_interface<PPB_PDF>()->DidStartLoading(instance.pp_instance());
+}
+
+// static
+void PDF::DidStopLoading(const InstanceHandle& instance) {
+  if (has_interface<PPB_PDF>())
+    get_interface<PPB_PDF>()->DidStopLoading(instance.pp_instance());
+}
+
+// static
+void PDF::SetContentRestriction(const InstanceHandle& instance,
+                                int restrictions) {
+  if (has_interface<PPB_PDF>()) {
+    get_interface<PPB_PDF>()->SetContentRestriction(instance.pp_instance(),
+                                                    restrictions);
+  }
+}
+
+// static
+void PDF::HistogramPDFPageCount(const InstanceHandle& instance,

[yzshen1, 2013/03/18 17:55:47]

Please use /* instance */, otherwise it may cause warnings.

[raymes, 2013/03/18 18:15:39]

Done.

+                                int count) {
+  if (has_interface<PPB_PDF>()) {

[yzshen1, 2013/03/18 17:55:47]

nit: no need to have {} (as line 95-96).

[raymes, 2013/03/18 18:15:39]

Done.

+    get_interface<PPB_PDF>()->HistogramPDFPageCount(count);
+  }
+}
+
+// static
+void PDF::UserMetricsRecordAction(const InstanceHandle& instance,

[yzshen1, 2013/03/18 17:55:47]

Please use /* instance */, otherwise it may cause warnings.

[raymes, 2013/03/18 18:15:39]

Done.

+                                  const Var& action) {
+  if (has_interface<PPB_PDF>())
+    get_interface<PPB_PDF>()->UserMetricsRecordAction(action.pp_var());
+}
+
+// static
+void PDF::HasUnsupportedFeature(const InstanceHandle& instance) {
+  if (has_interface<PPB_PDF>())
+    get_interface<PPB_PDF>()->HasUnsupportedFeature(instance.pp_instance());
+}
+
+// static
+void PDF::SaveAs(const InstanceHandle& instance) {
+  if (has_interface<PPB_PDF>())
+    get_interface<PPB_PDF>()->SaveAs(instance.pp_instance());
+}
+
+// static
+void PDF::Print(const InstanceHandle& instance) {
+  if (has_interface<PPB_PDF>())
+    get_interface<PPB_PDF>()->Print(instance.pp_instance());
+}
+
+// static
+bool PDF::IsFeatureEnabled(const InstanceHandle& instance,

[yzshen1, 2013/03/18 17:55:47]

ditto.

[raymes, 2013/03/18 18:15:39]

Done.

+                           PP_PDFFeature feature) {
+  if (has_interface<PPB_PDF>())
+    return get_interface<PPB_PDF>()->IsFeatureEnabled(feature);
+  return false;
+}
+
+// static
+pp::ImageData PDF::GetResourceImageForScale(const InstanceHandle& instance,

[yzshen1, 2013/03/18 17:55:47]

you don't need pp:: (and there are other places that have the same problem).

[raymes, 2013/03/18 18:15:39]

Done.

+                                            PP_ResourceImage image_id,
+                                            float scale) {
+  if (has_interface<PPB_PDF>()) {
+    return pp::ImageData(pp::PASS_REF,
+                         get_interface<PPB_PDF>()->GetResourceImageForScale(
+                             instance.pp_instance(), image_id, scale));
+  }
+  return pp::ImageData();
+}
+
+}  // namespace pp