Add Pepper TrueType font API plumbing.

ppapi/thunk/ppb_truetype_font_thunk.cc

Index: ppapi/thunk/ppb_truetype_font_thunk.cc
diff --git a/ppapi/thunk/ppb_truetype_font_thunk.cc b/ppapi/thunk/ppb_truetype_font_thunk.cc
new file mode 100644
index 0000000000000000000000000000000000000000..003d1103ad6d0ca3e58a2b7011ab8084f9904716
--- /dev/null
+++ b/ppapi/thunk/ppb_truetype_font_thunk.cc
@@ -0,0 +1,94 @@
+// 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/c/dev/ppb_truetype_font_dev.h"
+#include "ppapi/c/pp_completion_callback.h"
+#include "ppapi/c/pp_errors.h"
+#include "ppapi/shared_impl/tracked_callback.h"
+#include "ppapi/thunk/enter.h"
+#include "ppapi/thunk/ppb_instance_api.h"
+#include "ppapi/thunk/ppb_truetype_font_api.h"
+#include "ppapi/thunk/ppb_truetype_font_singleton_api.h"
+#include "ppapi/thunk/resource_creation_api.h"
+#include "ppapi/thunk/thunk.h"
+
+namespace ppapi {
+namespace thunk {
+
+namespace {
+
+int32_t GetFontFamilies(PP_Instance instance,
+                        PP_ArrayOutput output,
+                        PP_CompletionCallback callback) {
+  EnterInstanceAPI<PPB_TrueTypeFont_Singleton_API> enter(instance);

[dmichael (off chromium), 2013/03/12 18:07:58]

You need to pass the callback here in order to get proper callback behavior.

[bbudge, 2013/03/13 01:26:50]

Done.

+  if (enter.failed())
+    return PP_ERROR_FAILED;
+  return enter.functions()->GetFontFamilies(instance, output, callback);

[dmichael (off chromium), 2013/03/12 18:07:58]

And this should be enter.callback()

[bbudge, 2013/03/13 01:26:50]

Done.

+}
+
+PP_Resource Create(PP_Instance instance,
+                   const PP_TrueTypeFontDesc_Dev* desc) {
+  EnterResourceCreation enter(instance);
+  if (enter.failed())
+    return 0;
+  return enter.functions()->CreateTrueTypeFont(instance, desc);
+}
+
+PP_Bool IsFont(PP_Resource resource) {
+  EnterResource<PPB_TrueTypeFont_API> enter(resource, false);
+  return PP_FromBool(enter.succeeded());
+}
+
+int32_t Describe(PP_Resource font,
+                 PP_TrueTypeFontDesc_Dev* desc,
+                 PP_CompletionCallback callback) {
+  EnterResource<PPB_TrueTypeFont_API> enter(font, callback, true);
+  if (enter.failed())
+    return enter.retval();
+  return enter.SetResult(enter.object()->Describe(desc, enter.callback()));
+}
+
+int32_t GetTableTags(PP_Resource font,
+                     PP_ArrayOutput output,
+                     PP_CompletionCallback callback) {
+  EnterResource<PPB_TrueTypeFont_API> enter(font, callback, true);
+  if (enter.failed())
+    return enter.retval();
+  return enter.SetResult(enter.object()->GetTableTags(output,
+                                                      enter.callback()));
+}
+
+int32_t GetTable(PP_Resource font,
+                 uint32_t table,
+                 int32_t offset,
+                 int32_t max_data_length,
+                 PP_ArrayOutput output,
+                 PP_CompletionCallback callback) {
+  EnterResource<PPB_TrueTypeFont_API> enter(font, callback, true);
+  if (enter.failed())
+    return enter.retval();
+  return enter.SetResult(enter.object()->GetTable(table,
+                                                  offset,
+                                                  max_data_length,
+                                                  output,
+                                                  enter.callback()));
+}
+
+const PPB_TrueTypeFont_Dev_0_1 g_ppb_truetypefont_thunk_0_1 = {
+  &GetFontFamilies,
+  &Create,
+  &IsFont,
+  &Describe,
+  &GetTableTags,
+  &GetTable
+};
+
+}  // namespace
+
+const PPB_TrueTypeFont_Dev_0_1* GetPPB_TrueTypeFont_Dev_0_1_Thunk() {
+  return &g_ppb_truetypefont_thunk_0_1;
+}
+
+}  // namespace thunk
+}  // namespace ppapi