Add Pepper TrueType font API plumbing.

content/renderer/pepper/pepper_truetype_font_host.cc

Index: content/renderer/pepper/pepper_truetype_font_host.cc
diff --git a/content/renderer/pepper/pepper_truetype_font_host.cc b/content/renderer/pepper/pepper_truetype_font_host.cc
new file mode 100644
index 0000000000000000000000000000000000000000..c94c1f67104a4760654ab6e3d7947f47ae3d13ca
--- /dev/null
+++ b/content/renderer/pepper/pepper_truetype_font_host.cc
@@ -0,0 +1,96 @@
+// 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 "content/renderer/pepper/pepper_truetype_font_host.h"
+
+#include "base/bind.h"
+#include "content/public/renderer/renderer_ppapi_host.h"
+#include "content/renderer/pepper/pepper_truetype_font.h"
+#include "ppapi/c/pp_errors.h"
+#include "ppapi/host/dispatch_host_message.h"
+#include "ppapi/host/host_message_context.h"
+#include "ppapi/host/ppapi_host.h"
+#include "ppapi/proxy/ppapi_messages.h"
+
+using ppapi::host::HostMessageContext;
+using ppapi::host::ReplyMessageContext;
+
+namespace content {
+
+PepperTrueTypeFontHost::PepperTrueTypeFontHost(
+    RendererPpapiHost* host,
+    PP_Instance instance,
+    PP_Resource resource,
+    const ppapi::proxy::SerializedTrueTypeFontDesc& desc)
+    : ResourceHost(host->GetPpapiHost(), instance, resource),
+      renderer_ppapi_host_(host),
+      font_(PepperTrueTypeFont::Create(desc)),
+      weak_factory_(ALLOW_THIS_IN_INITIALIZER_LIST(this)) {
+}
+
+PepperTrueTypeFontHost::~PepperTrueTypeFontHost() {
+}
+
+int32_t PepperTrueTypeFontHost::OnResourceMessageReceived(
+    const IPC::Message& msg,
+    HostMessageContext* context) {
+  if (!host()->permissions().HasPermission(ppapi::PERMISSION_DEV))
+    return PP_ERROR_FAILED;
+
+  IPC_BEGIN_MESSAGE_MAP(PepperTrueTypeFontHost, msg)
+    PPAPI_DISPATCH_HOST_RESOURCE_CALL_0(PpapiHostMsg_TrueTypeFont_Describe,
+                                        OnHostMsgDescribe)
+    PPAPI_DISPATCH_HOST_RESOURCE_CALL_0(PpapiHostMsg_TrueTypeFont_GetTableTags,
+                                        OnHostMsgGetTableTags)
+    PPAPI_DISPATCH_HOST_RESOURCE_CALL(PpapiHostMsg_TrueTypeFont_GetTable,
+                                      OnHostMsgGetTable)
+  IPC_END_MESSAGE_MAP()
+  return PP_ERROR_FAILED;
+}
+
+int32_t PepperTrueTypeFontHost::OnHostMsgDescribe(HostMessageContext* context) {
+  if (!font_->IsValid())
+    return PP_ERROR_FAILED;
+
+  ppapi::proxy::SerializedTrueTypeFontDesc desc;
+  ReplyMessageContext reply_context = context->MakeReplyMessageContext();
+  reply_context.params.set_result(font_->Describe(&desc));
+  host()->SendReply(reply_context,
+                    PpapiPluginMsg_TrueTypeFont_DescribeReply(desc));
+  return PP_OK_COMPLETIONPENDING;
+}
+
+int32_t PepperTrueTypeFontHost::OnHostMsgGetTableTags(
+    HostMessageContext* context) {
+  if (!font_->IsValid())
+    return PP_ERROR_FAILED;
+
+  std::vector<uint32_t> tags;
+  ReplyMessageContext reply_context = context->MakeReplyMessageContext();
+  reply_context.params.set_result(font_->GetTableTags(&tags));
+  host()->SendReply(
+      reply_context,
+      PpapiPluginMsg_TrueTypeFont_GetTableTagsReply(tags));
+  return PP_OK_COMPLETIONPENDING;
+}
+
+int32_t PepperTrueTypeFontHost::OnHostMsgGetTable(HostMessageContext* context,
+                                                  uint32_t table,
+                                                  int32_t offset,
+                                                  int32_t max_data_length) {
+  if (!font_->IsValid())
+    return PP_ERROR_FAILED;
+  if (offset < 0 || max_data_length < 0)
+    return PP_ERROR_BADARGUMENT;
+
+  std::string data;
+  ReplyMessageContext reply_context = context->MakeReplyMessageContext();
+  reply_context.params.set_result(
+      font_->GetTable(table, offset, max_data_length, &data));
+  host()->SendReply(reply_context,
+                    PpapiPluginMsg_TrueTypeFont_GetTableReply(data));
+  return PP_OK_COMPLETIONPENDING;
+}
+
+}  // namespace content