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 "xwalk/application/browser/application.h"
  18 #include "xwalk/application/browser/application_system.h"
  19 #include "xwalk/extensions/browser/xwalk_extension_service.h"
  20 #include "xwalk/extensions/common/xwalk_extension_switches.h"
  21 #include "xwalk/runtime/browser/devtools/remote_debugging_server.h"
  22 #include "xwalk/runtime/browser/runtime.h"
  23 #include "xwalk/runtime/browser/runtime_context.h"
  24 #include "xwalk/runtime/browser/xwalk_runner.h"
  25 #include "xwalk/runtime/common/xwalk_runtime_features.h"
  26 #include "xwalk/runtime/common/xwalk_switches.h"
  27 #include "cc/base/switches.h"
  28 #include "content/public/common/content_switches.h"
  29 #include "content/public/common/main_function_params.h"
  30 #include "content/public/common/url_constants.h"
  31 #include "content/public/common/result_codes.h"
  32 #include "net/base/net_util.h"
  33 #include "ui/gl/gl_switches.h"
  34
  35 #if defined(USE_AURA) && defined(USE_X11)
  36 #include "ui/base/ime/input_method_initializer.h"
  37 #include "ui/events/x/touch_factory_x11.h"
  38 #endif
  39
  40 namespace {
  41
  42 // FIXME: Compare with method in startup_browser_creator.cc.
  43 GURL GetURLFromCommandLine(const CommandLine& command_line) {
  44   const CommandLine::StringVector& args = command_line.GetArgs();
  45
  46   if (args.empty())
  47     return GURL();
  48
  49   GURL url(args[0]);
  50   if (url.is_valid() && url.has_scheme())
  51     return url;
  52
  53   base::FilePath path(args[0]);
  54   if (!path.IsAbsolute())
  55     path = MakeAbsoluteFilePath(path);
  56
  57   return net::FilePathToFileURL(path);
  58 }
  59
  60 }  // namespace
  61
  62 namespace xswitches {
  63 // Redefine settings not exposed by content module.
  64 const char kEnableViewport[] = "enable-viewport";
  65 const char kEnableOverlayScrollbars[] = "enable-overlay-scrollbars";
  66 }
  67
  68 namespace xwalk {
  69
  70 XWalkBrowserMainParts::XWalkBrowserMainParts(
  71     const content::MainFunctionParams& parameters)
  72     : xwalk_runner_(XWalkRunner::GetInstance()),
  73       startup_url_(content::kAboutBlankURL),
  74       parameters_(parameters),
  75       run_default_message_loop_(true) {
  76 #if defined(OS_LINUX)
  77   // FIXME: We disable the setuid sandbox on Linux because we don't ship
  78   // the setuid binary. It is important to remember that the seccomp-bpf
  79   // sandbox is still fully operational if supported by the kernel. See
  80   // issue #496.
  81   //
  82   // switches::kDisableSetuidSandbox is not being used here because it
  83   // doesn't have the CONTENT_EXPORT macro despite the fact it is exposed by
  84   // content_switches.h.
  85   CommandLine::ForCurrentProcess()->AppendSwitch("disable-setuid-sandbox");
  86 #endif
  87 }
  88
  89 XWalkBrowserMainParts::~XWalkBrowserMainParts() {
  90 }
  91
  92 void XWalkBrowserMainParts::PreMainMessageLoopStart() {
  93   CommandLine* command_line = CommandLine::ForCurrentProcess();
  94   command_line->AppendSwitch(xswitches::kEnableViewport);
  95
  96   command_line->AppendSwitch(xswitches::kEnableOverlayScrollbars);
  97
  98   // Enable multithreaded GPU compositing of web content.
  99   // This also enables pinch on Tizen.
 100   command_line->AppendSwitch(switches::kEnableThreadedCompositing);
 101
 102   // Show feedback on touch.
 103   command_line->AppendSwitch(switches::kEnableGestureTapHighlight);
 104
 105   // FIXME: Add comment why this is needed on Android and Tizen.
 106   command_line->AppendSwitch(switches::kAllowFileAccessFromFiles);
 107
 108   // Enable SIMD.JS API by default.
 109   std::string js_flags("--simd_object");
 110   if (command_line->HasSwitch(switches::kJavaScriptFlags)) {
 111     js_flags += " ";
 112     js_flags +=
 113         command_line->GetSwitchValueASCII(switches::kJavaScriptFlags);
 114   }
 115   command_line->AppendSwitchASCII(switches::kJavaScriptFlags, js_flags);
 116
 117   startup_url_ = GetURLFromCommandLine(*command_line);
 118 }
 119
 120 void XWalkBrowserMainParts::PostMainMessageLoopStart() {
 121 }
 122
 123 void XWalkBrowserMainParts::PreEarlyInitialization() {
 124 #if defined(USE_AURA) && defined(USE_X11)
 125     ui::InitializeInputMethodForTesting();
 126 #endif
 127 }
 128
 129 int XWalkBrowserMainParts::PreCreateThreads() {
 130   return content::RESULT_CODE_NORMAL_EXIT;
 131 }
 132
 133 void XWalkBrowserMainParts::RegisterExternalExtensions() {
 134   CommandLine* cmd_line = CommandLine::ForCurrentProcess();
 135
 136 #if defined(OS_TIZEN)
 137   static const std::string tec_path = "/usr/lib/tizen-extensions-crosswalk";
 138   std::string value = cmd_line->GetSwitchValueASCII(
 139       switches::kXWalkExternalExtensionsPath);
 140
 141   if (value.empty())
 142     cmd_line->AppendSwitchASCII(switches::kXWalkExternalExtensionsPath,
 143         tec_path);
 144   else if (value != tec_path)
 145     VLOG(0) << "Loading Tizen extensions from " << value << " rather than " <<
 146         tec_path;
 147
 148   cmd_line->AppendSwitch(
 149         switches::kXWalkAllowExternalExtensionsForRemoteSources);
 150 #else
 151   if (!cmd_line->HasSwitch(switches::kXWalkExternalExtensionsPath))
 152     return;
 153 #endif
 154
 155   if (!cmd_line->HasSwitch(
 156           switches::kXWalkAllowExternalExtensionsForRemoteSources) &&
 157       !startup_url_.SchemeIsFile()) {
 158     VLOG(0) << "Unsupported scheme for external extensions: " <<
 159           startup_url_.scheme();
 160     return;
 161   }
 162
 163   base::FilePath extensions_dir =
 164       cmd_line->GetSwitchValuePath(switches::kXWalkExternalExtensionsPath);
 165   if (!base::DirectoryExists(extensions_dir)) {
 166     LOG(WARNING) << "Ignoring non-existent extension directory: "
 167                  << extensions_dir.AsUTF8Unsafe();
 168     return;
 169   }
 170
 171   extension_service_->RegisterExternalExtensionsForPath(extensions_dir);
 172 }
 173
 174 void XWalkBrowserMainParts::PreMainMessageLoopRun() {
 175   xwalk_runner_->PreMainMessageLoopRun();
 176
 177   extension_service_ = xwalk_runner_->extension_service();
 178
 179   if (extension_service_)
 180     RegisterExternalExtensions();
 181
 182   CommandLine* command_line = CommandLine::ForCurrentProcess();
 183   if (command_line->HasSwitch(switches::kRemoteDebuggingPort)) {
 184     std::string port_str =
 185         command_line->GetSwitchValueASCII(switches::kRemoteDebuggingPort);
 186     int port;
 187     const char* local_ip = "0.0.0.0";
 188     if (base::StringToInt(port_str, &port) && port > 0 && port < 65535) {
 189       remote_debugging_server_.reset(
 190           new RemoteDebuggingServer(xwalk_runner_->runtime_context(),
 191               local_ip, port, std::string()));
 192     }
 193   }
 194
 195   NativeAppWindow::Initialize();
 196
 197   if (command_line->HasSwitch(switches::kListFeaturesFlags)) {
 198     XWalkRuntimeFeatures::GetInstance()->DumpFeaturesFlags();
 199     run_default_message_loop_ = false;
 200     return;
 201   }
 202
 203   if (xwalk_runner_->is_running_as_service()) {
 204     // In service mode, Crosswalk doesn't launch anything, just waits
 205     // for external requests to launch apps.
 206     VLOG(1) << "Crosswalk running as Service.";
 207     return;
 208   }
 209
 210   application::ApplicationSystem* app_system = xwalk_runner_->app_system();
 211   if (!app_system->HandleApplicationManagementCommands(*command_line,
 212       startup_url_, run_default_message_loop_)) {
 213     app_system->LaunchFromCommandLine(*command_line, startup_url_,
 214                                       run_default_message_loop_);
 215   }
 216
 217   // If the |ui_task| is specified in main function parameter, it indicates
 218   // that we will run this UI task instead of running the the default main
 219   // message loop. See |content::BrowserTestBase::SetUp| for |ui_task| usage
 220   // case.
 221   if (parameters_.ui_task) {
 222     parameters_.ui_task->Run();
 223     delete parameters_.ui_task;
 224     run_default_message_loop_ = false;
 225   }
 226 }
 227
 228 bool XWalkBrowserMainParts::MainMessageLoopRun(int* result_code) {
 229   return !run_default_message_loop_;
 230 }
 231
 232 void XWalkBrowserMainParts::PostMainMessageLoopRun() {
 233   xwalk_runner_->PostMainMessageLoopRun();
 234 }
 235
 236 void XWalkBrowserMainParts::CreateInternalExtensionsForUIThread(
 237     content::RenderProcessHost* host,
 238     extensions::XWalkExtensionVector* extensions) {
 239 }
 240
 241 void XWalkBrowserMainParts::CreateInternalExtensionsForExtensionThread(
 242     content::RenderProcessHost* host,
 243     extensions::XWalkExtensionVector* extensions) {
 244 }
 245
 246 }  // namespace xwalk