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   command_line->AppendSwitch(switches::kEnableViewportMeta);
 102
 103   command_line->AppendSwitch(xswitches::kEnableOverlayScrollbars);
 104
 105   // Enable multithreaded GPU compositing of web content.
 106   // This also enables pinch on Tizen.
 107   command_line->AppendSwitch(switches::kEnableThreadedCompositing);
 108
 109   // FIXME: Add comment why this is needed on Android and Tizen.
 110   command_line->AppendSwitch(switches::kAllowFileAccessFromFiles);
 111
 112   // Enable SIMD.JS API by default.
 113   std::string js_flags("--simd_object");
 114   if (command_line->HasSwitch(switches::kJavaScriptFlags)) {
 115     js_flags += " ";
 116     js_flags +=
 117         command_line->GetSwitchValueASCII(switches::kJavaScriptFlags);
 118   }
 119   command_line->AppendSwitchASCII(switches::kJavaScriptFlags, js_flags);
 120
 121   startup_url_ = GetURLFromCommandLine(*command_line);
 122 }
 123
 124 void XWalkBrowserMainParts::PostMainMessageLoopStart() {
 125 }
 126
 127 void XWalkBrowserMainParts::PreEarlyInitialization() {
 128 #if defined(USE_AURA) && defined(USE_X11)
 129     ui::InitializeInputMethodForTesting();
 130 #endif
 131 }
 132
 133 int XWalkBrowserMainParts::PreCreateThreads() {
 134   return content::RESULT_CODE_NORMAL_EXIT;
 135 }
 136
 137 void XWalkBrowserMainParts::RegisterExternalExtensions() {
 138   CommandLine* cmd_line = CommandLine::ForCurrentProcess();
 139
 140 #if defined(OS_TIZEN)
 141   std::string value = cmd_line->GetSwitchValueASCII(
 142       switches::kXWalkExternalExtensionsPath);
 143
 144 #if defined(ARCH_CPU_64_BITS)
 145   const char tec_path[] = "/usr/lib64/tizen-extensions-crosswalk";
 146 #else
 147   const char tec_path[] = "/usr/lib/tizen-extensions-crosswalk";
 148 #endif
 149
 150   if (value.empty())
 151     cmd_line->AppendSwitchASCII(switches::kXWalkExternalExtensionsPath,
 152         tec_path);
 153   else if (value != tec_path)
 154     VLOG(0) << "Loading Tizen extensions from " << value << " rather than " <<
 155         tec_path;
 156
 157   cmd_line->AppendSwitch(
 158         switches::kXWalkAllowExternalExtensionsForRemoteSources);
 159 #else
 160   if (!cmd_line->HasSwitch(switches::kXWalkExternalExtensionsPath))
 161     return;
 162 #endif
 163
 164   if (!cmd_line->HasSwitch(
 165           switches::kXWalkAllowExternalExtensionsForRemoteSources) &&
 166       (!startup_url_.is_empty() && !startup_url_.SchemeIsFile())) {
 167     VLOG(0) << "Unsupported scheme for external extensions: " <<
 168           startup_url_.scheme();
 169     return;
 170   }
 171
 172   base::FilePath extensions_dir =
 173       cmd_line->GetSwitchValuePath(switches::kXWalkExternalExtensionsPath);
 174   if (!base::DirectoryExists(extensions_dir)) {
 175     LOG(WARNING) << "Ignoring non-existent extension directory: "
 176                  << extensions_dir.AsUTF8Unsafe();
 177     return;
 178   }
 179
 180   extension_service_->RegisterExternalExtensionsForPath(extensions_dir);
 181 }
 182
 183 void XWalkBrowserMainParts::PreMainMessageLoopRun() {
 184   xwalk_runner_->PreMainMessageLoopRun();
 185
 186   extension_service_ = xwalk_runner_->extension_service();
 187
 188   if (extension_service_)
 189     RegisterExternalExtensions();
 190
 191 #if !defined(DISABLE_NACL)
 192   NaClBrowserDelegateImpl* delegate = new NaClBrowserDelegateImpl();
 193   nacl::NaClBrowser::SetDelegate(delegate);
 194
 195   content::BrowserThread::PostTask(
 196       content::BrowserThread::IO,
 197       FROM_HERE,
 198       base::Bind(nacl::NaClProcessHost::EarlyStartup));
 199 #endif
 200
 201   CommandLine* command_line = CommandLine::ForCurrentProcess();
 202   if (command_line->HasSwitch(switches::kRemoteDebuggingPort)) {
 203     std::string port_str =
 204         command_line->GetSwitchValueASCII(switches::kRemoteDebuggingPort);
 205     int port;
 206     base::StringToInt(port_str, &port);
 207     xwalk_runner_->EnableRemoteDebugging(port);
 208   }
 209
 210   NativeAppWindow::Initialize();
 211
 212   if (command_line->HasSwitch(switches::kListFeaturesFlags)) {
 213     XWalkRuntimeFeatures::GetInstance()->DumpFeaturesFlags();
 214     run_default_message_loop_ = false;
 215     return;
 216   }
 217
 218 #if !defined(SHARED_PROCESS_MODE)
 219   application::ApplicationSystem* app_system = xwalk_runner_->app_system();
 220   app_system->LaunchFromCommandLine(*command_line, startup_url_,
 221                                     run_default_message_loop_);
 222   // If the |ui_task| is specified in main function parameter, it indicates
 223   // that we will run this UI task instead of running the the default main
 224   // message loop. See |content::BrowserTestBase::SetUp| for |ui_task| usage
 225   // case.
 226   if (parameters_.ui_task) {
 227     parameters_.ui_task->Run();
 228     delete parameters_.ui_task;
 229     run_default_message_loop_ = false;
 230   }
 231 #endif
 232 }
 233
 234 bool XWalkBrowserMainParts::MainMessageLoopRun(int* result_code) {
 235   return !run_default_message_loop_;
 236 }
 237
 238 void XWalkBrowserMainParts::PostMainMessageLoopRun() {
 239   xwalk_runner_->PostMainMessageLoopRun();
 240 }
 241
 242 void XWalkBrowserMainParts::CreateInternalExtensionsForUIThread(
 243     content::RenderProcessHost* host,
 244     extensions::XWalkExtensionVector* extensions) {
 245 }
 246
 247 void XWalkBrowserMainParts::CreateInternalExtensionsForExtensionThread(
 248     content::RenderProcessHost* host,
 249     extensions::XWalkExtensionVector* extensions) {
 250 }
 251
 252 }  // namespace xwalk