src/xwalk/runtime/browser/xwalk_browser_main_parts.cc

   1 // Copyright (c) 2013 Intel Corporation. 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 "xwalk/runtime/browser/xwalk_browser_main_parts.h"
   6
   7 #include <stdlib.h>
   8
   9 #include <set>
  10
  11 #include "base/bind.h"
  12 #include "base/command_line.h"
  13 #include "base/file_util.h"
  14 #include "base/files/file_path.h"
  15 #include "base/message_loop/message_loop.h"
  16 #include "base/strings/string_number_conversions.h"
  17 #include "cc/base/switches.h"
  18 #include "content/public/browser/browser_thread.h"
  19 #include "content/public/common/content_switches.h"
  20 #include "content/public/common/main_function_params.h"
  21 #include "content/public/common/url_constants.h"
  22 #include "content/public/common/result_codes.h"
  23 #include "extensions/browser/extension_system.h"
  24 #include "net/base/filename_util.h"
  25 #include "ui/gl/gl_switches.h"
  26 #include "xwalk/application/browser/application.h"
  27 #include "xwalk/application/browser/application_system.h"
  28 #include "xwalk/extensions/browser/xwalk_extension_service.h"
  29 #include "xwalk/extensions/common/xwalk_extension_switches.h"
  30 #include "xwalk/runtime/browser/runtime.h"
  31 #include "xwalk/runtime/browser/runtime_context.h"
  32 #include "xwalk/runtime/browser/xwalk_runner.h"
  33 #include "xwalk/runtime/common/xwalk_runtime_features.h"
  34 #include "xwalk/runtime/common/xwalk_switches.h"
  35
  36 #if !defined(DISABLE_NACL)
  37 #include "components/nacl/browser/nacl_browser.h"
  38 #include "components/nacl/browser/nacl_process_host.h"
  39 #include "xwalk/runtime/browser/nacl_host/nacl_browser_delegate_impl.h"
  40 #endif
  41
  42 #if defined(USE_AURA) && defined(USE_X11)
  43 #include "ui/base/ime/input_method_initializer.h"
  44 #include "ui/events/x/touch_factory_x11.h"
  45 #endif
  46
  47 namespace {
  48
  49 // FIXME: Compare with method in startup_browser_creator.cc.
  50 GURL GetURLFromCommandLine(const CommandLine& command_line) {
  51   const CommandLine::StringVector& args = command_line.GetArgs();
  52
  53   if (args.empty())
  54     return GURL();
  55
  56   GURL url(args[0]);
  57   if (url.is_valid() && url.has_scheme())
  58     return url;
  59
  60   base::FilePath path(args[0]);
  61   if (!path.IsAbsolute())
  62     path = MakeAbsoluteFilePath(path);
  63
  64   return net::FilePathToFileURL(path);
  65 }
  66
  67 }  // namespace
  68
  69 namespace xswitches {
  70 // Redefine settings not exposed by content module.
  71 const char kEnableOverlayScrollbars[] = "enable-overlay-scrollbars";
  72 }
  73
  74 namespace xwalk {
  75
  76 XWalkBrowserMainParts::XWalkBrowserMainParts(
  77     const content::MainFunctionParams& parameters)
  78     : xwalk_runner_(XWalkRunner::GetInstance()),
  79       startup_url_(url::kAboutBlankURL),
  80       parameters_(parameters),
  81       run_default_message_loop_(true) {
  82 #if defined(OS_LINUX)
  83   // FIXME: We disable the setuid sandbox on Linux because we don't ship
  84   // the setuid binary. It is important to remember that the seccomp-bpf
  85   // sandbox is still fully operational if supported by the kernel. See
  86   // issue #496.
  87   //
  88   // switches::kDisableSetuidSandbox is not being used here because it
  89   // doesn't have the CONTENT_EXPORT macro despite the fact it is exposed by
  90   // content_switches.h.
  91   CommandLine::ForCurrentProcess()->AppendSwitch("disable-setuid-sandbox");
  92 #endif
  93 }
  94
  95 XWalkBrowserMainParts::~XWalkBrowserMainParts() {
  96 }
  97
  98 void XWalkBrowserMainParts::PreMainMessageLoopStart() {
  99   CommandLine* command_line = CommandLine::ForCurrentProcess();
 100   command_line->AppendSwitch(switches::kEnableViewport);
 101
 102   command_line->AppendSwitch(xswitches::kEnableOverlayScrollbars);
 103
 104   // Enable multithreaded GPU compositing of web content.
 105   // This also enables pinch on Tizen.
 106   command_line->AppendSwitch(switches::kEnableThreadedCompositing);
 107
 108   // FIXME: Add comment why this is needed on Android and Tizen.
 109   command_line->AppendSwitch(switches::kAllowFileAccessFromFiles);
 110
 111   // Enable SIMD.JS API by default.
 112   /*std::string js_flags("--simd_object");
 113   if (command_line->HasSwitch(switches::kJavaScriptFlags)) {
 114     js_flags += " ";
 115     js_flags +=
 116         command_line->GetSwitchValueASCII(switches::kJavaScriptFlags);
 117   }
 118   command_line->AppendSwitchASCII(switches::kJavaScriptFlags, js_flags);*/
 119
 120   startup_url_ = GetURLFromCommandLine(*command_line);
 121 }
 122
 123 void XWalkBrowserMainParts::PostMainMessageLoopStart() {
 124 }
 125
 126 void XWalkBrowserMainParts::PreEarlyInitialization() {
 127 #if defined(USE_AURA) && defined(USE_X11)
 128     ui::InitializeInputMethodForTesting();
 129 #endif
 130 }
 131
 132 int XWalkBrowserMainParts::PreCreateThreads() {
 133   return content::RESULT_CODE_NORMAL_EXIT;
 134 }
 135
 136 void XWalkBrowserMainParts::RegisterExternalExtensions() {
 137   CommandLine* cmd_line = CommandLine::ForCurrentProcess();
 138
 139 #if defined(OS_TIZEN)
 140   std::string value = cmd_line->GetSwitchValueASCII(
 141       switches::kXWalkExternalExtensionsPath);
 142
 143 #if defined(ARCH_CPU_64_BITS)
 144   const char tec_path[] = "/usr/lib64/tizen-extensions-crosswalk";
 145 #else
 146   const char tec_path[] = "/usr/lib/tizen-extensions-crosswalk";
 147 #endif
 148
 149   if (value.empty())
 150     cmd_line->AppendSwitchASCII(switches::kXWalkExternalExtensionsPath,
 151         tec_path);
 152   else if (value != tec_path)
 153     VLOG(0) << "Loading Tizen extensions from " << value << " rather than " <<
 154         tec_path;
 155
 156   cmd_line->AppendSwitch(
 157         switches::kXWalkAllowExternalExtensionsForRemoteSources);
 158 #else
 159   if (!cmd_line->HasSwitch(switches::kXWalkExternalExtensionsPath))
 160     return;
 161 #endif
 162
 163   if (!cmd_line->HasSwitch(
 164           switches::kXWalkAllowExternalExtensionsForRemoteSources) &&
 165       (!startup_url_.is_empty() && !startup_url_.SchemeIsFile())) {
 166     VLOG(0) << "Unsupported scheme for external extensions: " <<
 167           startup_url_.scheme();
 168     return;
 169   }
 170
 171   base::FilePath extensions_dir =
 172       cmd_line->GetSwitchValuePath(switches::kXWalkExternalExtensionsPath);
 173   if (!base::DirectoryExists(extensions_dir)) {
 174     LOG(WARNING) << "Ignoring non-existent extension directory: "
 175                  << extensions_dir.AsUTF8Unsafe();
 176     return;
 177   }
 178
 179   extension_service_->RegisterExternalExtensionsForPath(extensions_dir);
 180 }
 181
 182 void XWalkBrowserMainParts::PreMainMessageLoopRun() {
 183   xwalk_runner_->PreMainMessageLoopRun();
 184
 185   extension_service_ = xwalk_runner_->extension_service();
 186
 187   if (extension_service_)
 188     RegisterExternalExtensions();
 189
 190 #if !defined(DISABLE_NACL)
 191   NaClBrowserDelegateImpl* delegate = new NaClBrowserDelegateImpl();
 192   nacl::NaClBrowser::SetDelegate(delegate);
 193
 194   content::BrowserThread::PostTask(
 195       content::BrowserThread::IO,
 196       FROM_HERE,
 197       base::Bind(nacl::NaClProcessHost::EarlyStartup));
 198 #endif
 199
 200   CommandLine* command_line = CommandLine::ForCurrentProcess();
 201   if (command_line->HasSwitch(switches::kRemoteDebuggingPort)) {
 202     std::string port_str =
 203         command_line->GetSwitchValueASCII(switches::kRemoteDebuggingPort);
 204     int port;
 205     base::StringToInt(port_str, &port);
 206     xwalk_runner_->EnableRemoteDebugging(port);
 207   }
 208
 209   NativeAppWindow::Initialize();
 210
 211   if (command_line->HasSwitch(switches::kListFeaturesFlags)) {
 212     XWalkRuntimeFeatures::GetInstance()->DumpFeaturesFlags();
 213     run_default_message_loop_ = false;
 214     return;
 215   }
 216
 217 #if !defined(SHARED_PROCESS_MODE)
 218   application::ApplicationSystem* app_system = xwalk_runner_->app_system();
 219   app_system->LaunchFromCommandLine(*command_line, startup_url_,
 220                                     run_default_message_loop_);
 221   // If the |ui_task| is specified in main function parameter, it indicates
 222   // that we will run this UI task instead of running the the default main
 223   // message loop. See |content::BrowserTestBase::SetUp| for |ui_task| usage
 224   // case.
 225   if (parameters_.ui_task) {
 226     parameters_.ui_task->Run();
 227     delete parameters_.ui_task;
 228     run_default_message_loop_ = false;
 229   }
 230 #endif
 231 }
 232
 233 bool XWalkBrowserMainParts::MainMessageLoopRun(int* result_code) {
 234   return !run_default_message_loop_;
 235 }
 236
 237 void XWalkBrowserMainParts::PostMainMessageLoopRun() {
 238   xwalk_runner_->PostMainMessageLoopRun();
 239 }
 240
 241 void XWalkBrowserMainParts::CreateInternalExtensionsForUIThread(
 242     content::RenderProcessHost* host,
 243     extensions::XWalkExtensionVector* extensions) {
 244 }
 245
 246 void XWalkBrowserMainParts::CreateInternalExtensionsForExtensionThread(
 247     content::RenderProcessHost* host,
 248     extensions::XWalkExtensionVector* extensions) {
 249 }
 250
 251 }  // namespace xwalk