Add proxies for core and class (for calling from WebKit to the plugin). These...

ppapi/proxy/ppb_core_proxy.cc

+// Copyright (c) 2010 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/proxy/ppb_core_proxy.h"
+
+#include <stdlib.h>  // For malloc
+
+#include "base/logging.h"
+#include "base/message_loop.h"
+#include "base/message_loop_proxy.h"
+#include "base/time.h"
+#include "ppapi/c/pp_completion_callback.h"
+#include "ppapi/c/pp_resource.h"
+#include "ppapi/c/ppb_core.h"
+#include "ppapi/proxy/plugin_dispatcher.h"
+#include "ppapi/proxy/ppapi_messages.h"
+
+namespace pp {
+namespace proxy {
+
+namespace {
+
+base::MessageLoopProxy* GetMainThreadMessageLoop() {
+  static scoped_refptr<base::MessageLoopProxy> proxy(
+      base::MessageLoopProxy::CreateForCurrentThread());
+  return proxy.get();
+}
+
+void AddRefResource(PP_Resource resource) {
+  PluginDispatcher::Get()->plugin_resource_tracker()->AddRefResource(resource);
+}
+
+void ReleaseResource(PP_Resource resource) {
+  PluginDispatcher::Get()->plugin_resource_tracker()->ReleaseResource(resource);
+}
+
+void* MemAlloc(size_t num_bytes) {
+  return malloc(num_bytes);
+}
+
+void MemFree(void* ptr) {
+  free(ptr);
+}
+
+double GetTime() {
+  return base::Time::Now().ToDoubleT();
+}
+
+double GetTimeTicks() {
+  // TODO(brettw) http://code.google.com/p/chromium/issues/detail?id=57448
+  // This should be a tick timer rather than wall clock time, but needs to
+  // match message times, which also currently use wall clock time.
+  return GetTime();
+}
+
+void CallOnMainThread(int delay_in_ms,
+                      PP_CompletionCallback callback,
+                      int32_t result) {
+  GetMainThreadMessageLoop()->PostDelayedTask(
+      FROM_HERE,
+      NewRunnableFunction(callback.func, callback.user_data, result),
+      delay_in_ms);
+}
+
+bool IsMainThread() {
+  return GetMainThreadMessageLoop()->BelongsToCurrentThread();
+}
+
+const PPB_Core core_interface = {
+  &AddRefResource,
+  &ReleaseResource,
+  &MemAlloc,
+  &MemFree,
+  &GetTime,
+  &GetTimeTicks,
+  &CallOnMainThread,
+  &IsMainThread
+};
+
+}  // namespace
+
+PPB_Core_Proxy::PPB_Core_Proxy(Dispatcher* dispatcher,
+                               const void* target_interface)
+    : InterfaceProxy(dispatcher, target_interface) {
+}
+
+PPB_Core_Proxy::~PPB_Core_Proxy() {
+}
+
+const void* PPB_Core_Proxy::GetSourceInterface() const {
+  return &core_interface;
+}
+
+InterfaceID PPB_Core_Proxy::GetInterfaceId() const {
+  return INTERFACE_ID_PPB_CORE;
+}
+
+void PPB_Core_Proxy::OnMessageReceived(const IPC::Message& msg) {
+  IPC_BEGIN_MESSAGE_MAP(PPB_Core_Proxy, msg)
+    IPC_MESSAGE_HANDLER(PpapiHostMsg_PPBCore_AddRefResource,
+                        OnMsgAddRefResource)
+    IPC_MESSAGE_HANDLER(PpapiHostMsg_PPBCore_ReleaseResource,
+                        OnMsgReleaseResource)
+  IPC_END_MESSAGE_MAP()
+  // TODO(brettw) handle bad messages!
+}
+
+void PPB_Core_Proxy::OnMsgAddRefResource(PP_Resource resource) {
+  ppb_core_target()->AddRefResource(resource);
+}
+
+void PPB_Core_Proxy::OnMsgReleaseResource(PP_Resource resource) {
+  ppb_core_target()->ReleaseResource(resource);
+}
+
+}  // namespace proxy
+}  // namespace pp