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 "components/nacl/browser/nacl_browser.h"
  19 #include "components/nacl/browser/nacl_process_host.h"
  20 #include "content/public/browser/browser_thread.h"
  21 #include "content/public/common/content_switches.h"
  22 #include "content/public/common/main_function_params.h"
  23 #include "content/public/common/url_constants.h"
  24 #include "content/public/common/result_codes.h"
  25 #include "extensions/browser/extension_system.h"
  26 #include "net/base/net_util.h"
  27 #include "ui/gl/gl_switches.h"
  28 #include "xwalk/application/browser/application.h"
  29 #include "xwalk/application/browser/application_system.h"
  30 #include "xwalk/extensions/browser/xwalk_extension_service.h"
  31 #include "xwalk/extensions/common/xwalk_extension_switches.h"
  32 #include "xwalk/runtime/browser/devtools/remote_debugging_server.h"
  33 #include "xwalk/runtime/browser/nacl_host/nacl_browser_delegate_impl.h"
  34 #include "xwalk/runtime/browser/runtime.h"
  35 #include "xwalk/runtime/browser/runtime_context.h"
  36 #include "xwalk/runtime/browser/xwalk_runner.h"
  37 #include "xwalk/runtime/common/xwalk_runtime_features.h"
  38 #include "xwalk/runtime/common/xwalk_switches.h"
  39
  40 #if defined(USE_AURA) && defined(USE_X11)
  41 #include "ui/base/ime/input_method_initializer.h"
  42 #include "ui/events/x/touch_factory_x11.h"
  43 #endif
  44
  45 namespace {
  46
  47 // FIXME: Compare with method in startup_browser_creator.cc.
  48 GURL GetURLFromCommandLine(const CommandLine& command_line) {
  49   const CommandLine::StringVector& args = command_line.GetArgs();
  50
  51   if (args.empty())
  52     return GURL();
  53
  54   GURL url(args[0]);
  55   if (url.is_valid() && url.has_scheme())
  56     return url;
  57
  58   base::FilePath path(args[0]);
  59   if (!path.IsAbsolute())
  60     path = MakeAbsoluteFilePath(path);
  61
  62   return net::FilePathToFileURL(path);
  63 }
  64
  65 }  // namespace
  66
  67 namespace xswitches {
  68 // Redefine settings not exposed by content module.
  69 const char kEnableOverlayScrollbars[] = "enable-overlay-scrollbars";
  70 }
  71
  72 namespace xwalk {
  73
  74 XWalkBrowserMainParts::XWalkBrowserMainParts(
  75     const content::MainFunctionParams& parameters)
  76     : xwalk_runner_(XWalkRunner::GetInstance()),
  77       startup_url_(content::kAboutBlankURL),
  78       parameters_(parameters),
  79       run_default_message_loop_(true) {
  80 #if defined(OS_LINUX)
  81   // FIXME: We disable the setuid sandbox on Linux because we don't ship
  82   // the setuid binary. It is important to remember that the seccomp-bpf
  83   // sandbox is still fully operational if supported by the kernel. See
  84   // issue #496.
  85   //
  86   // switches::kDisableSetuidSandbox is not being used here because it
  87   // doesn't have the CONTENT_EXPORT macro despite the fact it is exposed by
  88   // content_switches.h.
  89   CommandLine::ForCurrentProcess()->AppendSwitch("disable-setuid-sandbox");
  90 #endif
  91 }
  92
  93 XWalkBrowserMainParts::~XWalkBrowserMainParts() {
  94 }
  95
  96 void XWalkBrowserMainParts::PreMainMessageLoopStart() {
  97   CommandLine* command_line = CommandLine::ForCurrentProcess();
  98   command_line->AppendSwitch(switches::kEnableViewport);
  99   command_line->AppendSwitch(switches::kEnableViewportMeta);
 100
 101   command_line->AppendSwitch(xswitches::kEnableOverlayScrollbars);
 102
 103   // Enable multithreaded GPU compositing of web content.
 104   // This also enables pinch on Tizen.
 105   command_line->AppendSwitch(switches::kEnableThreadedCompositing);
 106
 107   // Show feedback on touch.
 108   command_line->AppendSwitch(switches::kEnableGestureTapHighlight);
 109
 110   // FIXME: Add comment why this is needed on Android and Tizen.
 111   command_line->AppendSwitch(switches::kAllowFileAccessFromFiles);
 112
 113   // Enable SIMD.JS API by default.
 114   std::string js_flags("--simd_object");
 115   if (command_line->HasSwitch(switches::kJavaScriptFlags)) {
 116     js_flags += " ";
 117     js_flags +=
 118         command_line->GetSwitchValueASCII(switches::kJavaScriptFlags);
 119   }
 120   command_line->AppendSwitchASCII(switches::kJavaScriptFlags, js_flags);
 121
 122   startup_url_ = GetURLFromCommandLine(*command_line);
 123 }
 124
 125 void XWalkBrowserMainParts::PostMainMessageLoopStart() {
 126 }
 127
 128 void XWalkBrowserMainParts::PreEarlyInitialization() {
 129 #if defined(USE_AURA) && defined(USE_X11)
 130     ui::InitializeInputMethodForTesting();
 131 #endif
 132 }
 133
 134 int XWalkBrowserMainParts::PreCreateThreads() {
 135   return content::RESULT_CODE_NORMAL_EXIT;
 136 }
 137
 138 void XWalkBrowserMainParts::RegisterExternalExtensions() {
 139   CommandLine* cmd_line = CommandLine::ForCurrentProcess();
 140
 141 #if defined(OS_TIZEN)
 142   static const std::string tec_path = "/usr/lib/tizen-extensions-crosswalk";
 143   std::string value = cmd_line->GetSwitchValueASCII(
 144       switches::kXWalkExternalExtensionsPath);
 145
 146   if (value.empty())
 147     cmd_line->AppendSwitchASCII(switches::kXWalkExternalExtensionsPath,
 148         tec_path);
 149   else if (value != tec_path)
 150     VLOG(0) << "Loading Tizen extensions from " << value << " rather than " <<
 151         tec_path;
 152
 153   cmd_line->AppendSwitch(
 154         switches::kXWalkAllowExternalExtensionsForRemoteSources);
 155 #else
 156   if (!cmd_line->HasSwitch(switches::kXWalkExternalExtensionsPath))
 157     return;
 158 #endif
 159
 160   if (!cmd_line->HasSwitch(
 161           switches::kXWalkAllowExternalExtensionsForRemoteSources) &&
 162       (!startup_url_.is_empty() && !startup_url_.SchemeIsFile())) {
 163     VLOG(0) << "Unsupported scheme for external extensions: " <<
 164           startup_url_.scheme();
 165     return;
 166   }
 167
 168   base::FilePath extensions_dir =
 169       cmd_line->GetSwitchValuePath(switches::kXWalkExternalExtensionsPath);
 170   if (!base::DirectoryExists(extensions_dir)) {
 171     LOG(WARNING) << "Ignoring non-existent extension directory: "
 172                  << extensions_dir.AsUTF8Unsafe();
 173     return;
 174   }
 175
 176   extension_service_->RegisterExternalExtensionsForPath(extensions_dir);
 177 }
 178
 179 void XWalkBrowserMainParts::PreMainMessageLoopRun() {
 180   xwalk_runner_->PreMainMessageLoopRun();
 181
 182   extension_service_ = xwalk_runner_->extension_service();
 183
 184   if (extension_service_)
 185     RegisterExternalExtensions();
 186
 187 #if !defined(DISABLE_NACL)
 188   NaClBrowserDelegateImpl* delegate = new NaClBrowserDelegateImpl();
 189   nacl::NaClBrowser::SetDelegate(delegate);
 190
 191   content::BrowserThread::PostTask(
 192       content::BrowserThread::IO,
 193       FROM_HERE,
 194       base::Bind(nacl::NaClProcessHost::EarlyStartup));
 195 #endif
 196
 197   CommandLine* command_line = CommandLine::ForCurrentProcess();
 198   if (command_line->HasSwitch(switches::kRemoteDebuggingPort)) {
 199     std::string port_str =
 200         command_line->GetSwitchValueASCII(switches::kRemoteDebuggingPort);
 201     int port;
 202     const char* local_ip = "0.0.0.0";
 203     if (base::StringToInt(port_str, &port) && port > 0 && port < 65535) {
 204       remote_debugging_server_.reset(
 205           new RemoteDebuggingServer(xwalk_runner_->runtime_context(),
 206               local_ip, port, std::string()));
 207     }
 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 (xwalk_runner_->is_running_as_service()) {
 219     // In service mode, Crosswalk doesn't launch anything, just waits
 220     // for external requests to launch apps.
 221     VLOG(1) << "Crosswalk running as Service.";
 222     return;
 223   }
 224
 225   application::ApplicationSystem* app_system = xwalk_runner_->app_system();
 226   if (!app_system->HandleApplicationManagementCommands(*command_line,
 227       startup_url_, run_default_message_loop_)) {
 228     app_system->LaunchFromCommandLine(*command_line, startup_url_,
 229                                       run_default_message_loop_);
 230   }
 231
 232   // If the |ui_task| is specified in main function parameter, it indicates
 233   // that we will run this UI task instead of running the the default main
 234   // message loop. See |content::BrowserTestBase::SetUp| for |ui_task| usage
 235   // case.
 236   if (parameters_.ui_task) {
 237     parameters_.ui_task->Run();
 238     delete parameters_.ui_task;
 239     run_default_message_loop_ = false;
 240   }
 241 }
 242
 243 bool XWalkBrowserMainParts::MainMessageLoopRun(int* result_code) {
 244   return !run_default_message_loop_;
 245 }
 246
 247 void XWalkBrowserMainParts::PostMainMessageLoopRun() {
 248   xwalk_runner_->PostMainMessageLoopRun();
 249 }
 250
 251 void XWalkBrowserMainParts::CreateInternalExtensionsForUIThread(
 252     content::RenderProcessHost* host,
 253     extensions::XWalkExtensionVector* extensions) {
 254 }
 255
 256 void XWalkBrowserMainParts::CreateInternalExtensionsForExtensionThread(
 257     content::RenderProcessHost* host,
 258     extensions::XWalkExtensionVector* extensions) {
 259 }
 260
 261 }  // namespace xwalk