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/filename_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_(url::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   std::string value = cmd_line->GetSwitchValueASCII(
 143       switches::kXWalkExternalExtensionsPath);
 144
 145 #if defined(ARCH_CPU_64_BITS)
 146   const char tec_path[] = "/usr/lib64/tizen-extensions-crosswalk";
 147 #else
 148   const char tec_path[] = "/usr/lib/tizen-extensions-crosswalk";
 149 #endif
 150
 151   if (value.empty())
 152     cmd_line->AppendSwitchASCII(switches::kXWalkExternalExtensionsPath,
 153         tec_path);
 154   else if (value != tec_path)
 155     VLOG(0) << "Loading Tizen extensions from " << value << " rather than " <<
 156         tec_path;
 157
 158   cmd_line->AppendSwitch(
 159         switches::kXWalkAllowExternalExtensionsForRemoteSources);
 160 #else
 161   if (!cmd_line->HasSwitch(switches::kXWalkExternalExtensionsPath))
 162     return;
 163 #endif
 164
 165   if (!cmd_line->HasSwitch(
 166           switches::kXWalkAllowExternalExtensionsForRemoteSources) &&
 167       (!startup_url_.is_empty() && !startup_url_.SchemeIsFile())) {
 168     VLOG(0) << "Unsupported scheme for external extensions: " <<
 169           startup_url_.scheme();
 170     return;
 171   }
 172
 173   base::FilePath extensions_dir =
 174       cmd_line->GetSwitchValuePath(switches::kXWalkExternalExtensionsPath);
 175   if (!base::DirectoryExists(extensions_dir)) {
 176     LOG(WARNING) << "Ignoring non-existent extension directory: "
 177                  << extensions_dir.AsUTF8Unsafe();
 178     return;
 179   }
 180
 181   extension_service_->RegisterExternalExtensionsForPath(extensions_dir);
 182 }
 183
 184 void XWalkBrowserMainParts::PreMainMessageLoopRun() {
 185   xwalk_runner_->PreMainMessageLoopRun();
 186
 187   extension_service_ = xwalk_runner_->extension_service();
 188
 189   if (extension_service_)
 190     RegisterExternalExtensions();
 191
 192 #if !defined(DISABLE_NACL)
 193   NaClBrowserDelegateImpl* delegate = new NaClBrowserDelegateImpl();
 194   nacl::NaClBrowser::SetDelegate(delegate);
 195
 196   content::BrowserThread::PostTask(
 197       content::BrowserThread::IO,
 198       FROM_HERE,
 199       base::Bind(nacl::NaClProcessHost::EarlyStartup));
 200 #endif
 201
 202   CommandLine* command_line = CommandLine::ForCurrentProcess();
 203   if (command_line->HasSwitch(switches::kRemoteDebuggingPort)) {
 204     std::string port_str =
 205         command_line->GetSwitchValueASCII(switches::kRemoteDebuggingPort);
 206     int port;
 207     const char* local_ip = "0.0.0.0";
 208     if (base::StringToInt(port_str, &port) && port > 0 && port < 65535) {
 209       remote_debugging_server_.reset(
 210           new RemoteDebuggingServer(xwalk_runner_->runtime_context(),
 211               local_ip, port, std::string()));
 212     }
 213   }
 214
 215   NativeAppWindow::Initialize();
 216
 217   if (command_line->HasSwitch(switches::kListFeaturesFlags)) {
 218     XWalkRuntimeFeatures::GetInstance()->DumpFeaturesFlags();
 219     run_default_message_loop_ = false;
 220     return;
 221   }
 222
 223 #if !defined(SHARED_PROCESS_MODE)
 224   application::ApplicationSystem* app_system = xwalk_runner_->app_system();
 225   app_system->LaunchFromCommandLine(*command_line, startup_url_,
 226                                     run_default_message_loop_);
 227   // If the |ui_task| is specified in main function parameter, it indicates
 228   // that we will run this UI task instead of running the the default main
 229   // message loop. See |content::BrowserTestBase::SetUp| for |ui_task| usage
 230   // case.
 231   if (parameters_.ui_task) {
 232     parameters_.ui_task->Run();
 233     delete parameters_.ui_task;
 234     run_default_message_loop_ = false;
 235   }
 236 #endif
 237 }
 238
 239 bool XWalkBrowserMainParts::MainMessageLoopRun(int* result_code) {
 240   return !run_default_message_loop_;
 241 }
 242
 243 void XWalkBrowserMainParts::PostMainMessageLoopRun() {
 244   xwalk_runner_->PostMainMessageLoopRun();
 245 }
 246
 247 void XWalkBrowserMainParts::CreateInternalExtensionsForUIThread(
 248     content::RenderProcessHost* host,
 249     extensions::XWalkExtensionVector* extensions) {
 250 }
 251
 252 void XWalkBrowserMainParts::CreateInternalExtensionsForExtensionThread(
 253     content::RenderProcessHost* host,
 254     extensions::XWalkExtensionVector* extensions) {
 255 }
 256
 257 }  // namespace xwalk