Cloning a bunch of stuff from the native_client repository at r6528

ppapi/native_client/src/shared/ppapi_proxy/plugin_ppb_cursor_control.cc

Index: ppapi/native_client/src/shared/ppapi_proxy/plugin_ppb_cursor_control.cc
===================================================================
--- ppapi/native_client/src/shared/ppapi_proxy/plugin_ppb_cursor_control.cc	(revision 0)
+++ ppapi/native_client/src/shared/ppapi_proxy/plugin_ppb_cursor_control.cc	(revision 0)
@@ -0,0 +1,140 @@
+// Copyright (c) 2011 The Native Client 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 "native_client/src/shared/ppapi_proxy/plugin_ppb_cursor_control.h"
+
+#include "native_client/src/include/portability.h"
+#include "native_client/src/shared/ppapi_proxy/plugin_callback.h"
+#include "native_client/src/shared/ppapi_proxy/plugin_globals.h"
+#include "native_client/src/shared/ppapi_proxy/utility.h"
+#include "ppapi/c/dev/ppb_cursor_control_dev.h"
+#include "ppapi/c/pp_completion_callback.h"
+#include "ppapi/c/pp_errors.h"
+#include "srpcgen/ppb_rpc.h"
+
+namespace ppapi_proxy {
+
+namespace {
+
+const nacl_abi_size_t kPPPointBytes =
+    static_cast<nacl_abi_size_t>(sizeof(struct PP_Point));
+
+PP_Bool SetCursor(PP_Instance instance,
+                  enum PP_CursorType_Dev type,
+                  PP_Resource custom_image,
+                  const struct PP_Point* hot_spot) {
+  DebugPrintf("PPB_CursorControl::SetCursor: "
+              "instance=%"NACL_PRIu32"\n", instance);
+
+  int32_t hot_spot_size = (hot_spot != NULL) ? kPPPointBytes : 0;
+  int32_t success = 0;
+  NaClSrpcError srpc_result =
+      PpbCursorControlRpcClient::PPB_CursorControl_SetCursor(
+          GetMainSrpcChannel(),
+          instance,
+          type,
+          custom_image,
+          hot_spot_size,
+          reinterpret_cast<char*>(const_cast<struct PP_Point*>(hot_spot)),
+          &success);
+
+  DebugPrintf("PPB_CursorControl::SetCursor: %s\n",
+              NaClSrpcErrorString(srpc_result));
+  if (srpc_result == NACL_SRPC_RESULT_OK && success)
+    return PP_TRUE;
+  return PP_FALSE;
+}
+
+PP_Bool LockCursor(PP_Instance instance) {
+  DebugPrintf("PPB_CursorControl::LockCursor: "
+              "instance=%"NACL_PRIu32"\n", instance);
+
+  int32_t success = 0;
+  NaClSrpcError srpc_result =
+      PpbCursorControlRpcClient::PPB_CursorControl_LockCursor(
+          GetMainSrpcChannel(),
+          instance,
+          &success);
+
+  DebugPrintf("PPB_CursorControl::LockCursor: %s\n",
+              NaClSrpcErrorString(srpc_result));
+
+  if (srpc_result == NACL_SRPC_RESULT_OK && success)
+    return PP_TRUE;
+  return PP_FALSE;
+}
+
+PP_Bool UnlockCursor(PP_Instance instance) {
+  DebugPrintf("PPB_CursorControl::UnlockCursor: "
+              "instance=%"NACL_PRIu32"\n", instance);
+
+  int32_t success = 0;
+  NaClSrpcError srpc_result =
+      PpbCursorControlRpcClient::PPB_CursorControl_UnlockCursor(
+          GetMainSrpcChannel(),
+          instance,
+          &success);
+
+  DebugPrintf("PPB_CursorControl::UnlockCursor: %s\n",
+              NaClSrpcErrorString(srpc_result));
+
+  if (srpc_result == NACL_SRPC_RESULT_OK && success)
+    return PP_TRUE;
+  return PP_FALSE;
+}
+
+PP_Bool HasCursorLock(PP_Instance instance) {
+  DebugPrintf("PPB_CursorControl::HasCursorLock: "
+              "instance=%"NACL_PRIu32"\n", instance);
+
+  int32_t success = 0;
+  NaClSrpcError srpc_result =
+      PpbCursorControlRpcClient::PPB_CursorControl_HasCursorLock(
+          GetMainSrpcChannel(),
+          instance,
+          &success);
+
+  DebugPrintf("PPB_CursorControl::HasCursorLock: %s\n",
+              NaClSrpcErrorString(srpc_result));
+
+  if (srpc_result == NACL_SRPC_RESULT_OK && success)
+    return PP_TRUE;
+  return PP_FALSE;
+}
+
+PP_Bool CanLockCursor(PP_Instance instance) {
+  DebugPrintf("PPB_CursorControl::CanLockCursor: "
+              "instance=%"NACL_PRIu32"\n", instance);
+
+  int32_t success = 0;
+  NaClSrpcError srpc_result =
+      PpbCursorControlRpcClient::PPB_CursorControl_CanLockCursor(
+          GetMainSrpcChannel(),
+          instance,
+          &success);
+
+  DebugPrintf("PPB_CursorControl::CanLockCursor: %s\n",
+              NaClSrpcErrorString(srpc_result));
+
+  if (srpc_result == NACL_SRPC_RESULT_OK && success)
+    return PP_TRUE;
+  return PP_FALSE;
+}
+
+}  // namespace
+
+const PPB_CursorControl_Dev* PluginCursorControl::GetInterface() {
+  static const PPB_CursorControl_Dev cursor_control_interface = {
+    SetCursor,
+    LockCursor,
+    UnlockCursor,
+    HasCursorLock,
+    CanLockCursor
+  };
+  return &cursor_control_interface;
+}
+
+}  // namespace ppapi_proxy
+
+