content/renderer/render_process_impl.cc

   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/message_loop/message_loop.h"
  19 #include "base/strings/utf_string_conversions.h"
  20 #include "base/sys_info.h"
  21 #include "content/child/child_thread.h"
  22 #include "content/child/npapi/plugin_instance.h"
  23 #include "content/child/npapi/plugin_lib.h"
  24 #include "content/child/site_isolation_policy.h"
  25 #include "content/common/view_messages.h"
  26 #include "content/public/common/content_switches.h"
  27 #include "content/public/renderer/content_renderer_client.h"
  28 #include "ipc/ipc_channel.h"
  29 #include "ipc/ipc_message_utils.h"
  30 #include "skia/ext/platform_canvas.h"
  31 #include "third_party/WebKit/public/web/WebFrame.h"
  32 #include "ui/surface/transport_dib.h"
  33 #include "v8/include/v8.h"
  34
  35 #if defined(OS_MACOSX)
  36 #include "base/mac/mac_util.h"
  37 #endif
  38
  39 #if defined(OS_ANDROID)
  40 #include "base/android/sys_utils.h"
  41 #endif
  42
  43 namespace content {
  44
  45 RenderProcessImpl::RenderProcessImpl()
  46     : enabled_bindings_(0) {
  47 #if defined(OS_WIN)
  48   // HACK:  See http://b/issue?id=1024307 for rationale.
  49   if (GetModuleHandle(L"LPK.DLL") == NULL) {
  50     // Makes sure lpk.dll is loaded by gdi32 to make sure ExtTextOut() works
  51     // when buffering into a EMF buffer for printing.
  52     typedef BOOL (__stdcall *GdiInitializeLanguagePack)(int LoadedShapingDLLs);
  53     GdiInitializeLanguagePack gdi_init_lpk =
  54         reinterpret_cast<GdiInitializeLanguagePack>(GetProcAddress(
  55             GetModuleHandle(L"GDI32.DLL"),
  56             "GdiInitializeLanguagePack"));
  57     DCHECK(gdi_init_lpk);
  58     if (gdi_init_lpk) {
  59       gdi_init_lpk(0);
  60     }
  61   }
  62 #endif
  63
  64 #if defined(OS_ANDROID)
  65   if (base::android::SysUtils::IsLowEndDevice()) {
  66     std::string optimize_flag("--optimize-for-size");
  67     v8::V8::SetFlagsFromString(optimize_flag.c_str(),
  68                                static_cast<int>(optimize_flag.size()));
  69   }
  70 #endif
  71
  72   const CommandLine& command_line = *CommandLine::ForCurrentProcess();
  73   if (command_line.HasSwitch(switches::kJavaScriptFlags)) {
  74     std::string flags(
  75         command_line.GetSwitchValueASCII(switches::kJavaScriptFlags));
  76     v8::V8::SetFlagsFromString(flags.c_str(), static_cast<int>(flags.size()));
  77   }
  78
  79   // Turn on cross-site document blocking for renderer processes.
  80   SiteIsolationPolicy::SetPolicyEnabled(
  81       GetContentClient()->renderer()->ShouldEnableSiteIsolationPolicy());
  82 }
  83
  84 RenderProcessImpl::~RenderProcessImpl() {
  85 #ifndef NDEBUG
  86   int count = blink::WebFrame::instanceCount();
  87   if (count)
  88     DLOG(ERROR) << "WebFrame LEAKED " << count << " TIMES";
  89 #endif
  90
  91   GetShutDownEvent()->Signal();
  92 }
  93
  94 void RenderProcessImpl::AddBindings(int bindings) {
  95   enabled_bindings_ |= bindings;
  96 }
  97
  98 int RenderProcessImpl::GetEnabledBindings() const {
  99   return enabled_bindings_;
 100 }
 101
 102 }  // namespace content