1// Copyright (c) 2012 The Chromium Authors. All rights reserved.
2// Use of this source code is governed by a BSD-style license that can be
3// found in the LICENSE file.
4
5#include "content/renderer/render_process_impl.h"
6
7#include "build/build_config.h"
8
9#if defined(OS_WIN)
10#include <windows.h>
11#include <objidl.h>
12#include <mlang.h>
13#endif
14
15#include "base/basictypes.h"
16#include "base/command_line.h"
17#include "base/compiler_specific.h"
18#include "base/sys_info.h"
19#include "content/child/site_isolation_policy.h"
20#include "content/public/common/content_switches.h"
21#include "content/public/renderer/content_renderer_client.h"
22#include "third_party/WebKit/public/web/WebFrame.h"
23#include "v8/include/v8.h"
24
25namespace content {
26
27RenderProcessImpl::RenderProcessImpl()
28    : enabled_bindings_(0) {
29#if defined(OS_WIN)
30  // HACK:  See http://b/issue?id=1024307 for rationale.
31  if (GetModuleHandle(L"LPK.DLL") == NULL) {
32    // Makes sure lpk.dll is loaded by gdi32 to make sure ExtTextOut() works
33    // when buffering into a EMF buffer for printing.
34    typedef BOOL (__stdcall *GdiInitializeLanguagePack)(int LoadedShapingDLLs);
35    GdiInitializeLanguagePack gdi_init_lpk =
36        reinterpret_cast<GdiInitializeLanguagePack>(GetProcAddress(
37            GetModuleHandle(L"GDI32.DLL"),
38            "GdiInitializeLanguagePack"));
39    DCHECK(gdi_init_lpk);
40    if (gdi_init_lpk) {
41      gdi_init_lpk(0);
42    }
43  }
44#endif
45
46  if (base::SysInfo::IsLowEndDevice()) {
47    std::string optimize_flag("--optimize-for-size");
48    v8::V8::SetFlagsFromString(optimize_flag.c_str(),
49                               static_cast<int>(optimize_flag.size()));
50  }
51
52  const CommandLine& command_line = *CommandLine::ForCurrentProcess();
53  if (command_line.HasSwitch(switches::kJavaScriptFlags)) {
54    std::string flags(
55        command_line.GetSwitchValueASCII(switches::kJavaScriptFlags));
56    v8::V8::SetFlagsFromString(flags.c_str(), static_cast<int>(flags.size()));
57  }
58
59  // Turn on cross-site document blocking for renderer processes.
60  SiteIsolationPolicy::SetPolicyEnabled(
61      GetContentClient()->renderer()->ShouldEnableSiteIsolationPolicy());
62}
63
64RenderProcessImpl::~RenderProcessImpl() {
65#ifndef NDEBUG
66  int count = blink::WebFrame::instanceCount();
67  if (count)
68    DLOG(ERROR) << "WebFrame LEAKED " << count << " TIMES";
69#endif
70
71  GetShutDownEvent()->Signal();
72}
73
74void RenderProcessImpl::AddBindings(int bindings) {
75  enabled_bindings_ |= bindings;
76}
77
78int RenderProcessImpl::GetEnabledBindings() const {
79  return enabled_bindings_;
80}
81
82}  // namespace content
83