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   /*
 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
 123   startup_url_ = GetURLFromCommandLine(*command_line);
 124 }
 125
 126 void XWalkBrowserMainParts::PostMainMessageLoopStart() {
 127 }
 128
 129 void XWalkBrowserMainParts::PreEarlyInitialization() {
 130 #if defined(USE_AURA) && defined(USE_X11)
 131     ui::InitializeInputMethodForTesting();
 132 #endif
 133 }
 134
 135 int XWalkBrowserMainParts::PreCreateThreads() {
 136   return content::RESULT_CODE_NORMAL_EXIT;
 137 }
 138
 139 void XWalkBrowserMainParts::RegisterExternalExtensions() {
 140   CommandLine* cmd_line = CommandLine::ForCurrentProcess();
 141
 142 #if defined(OS_TIZEN)
 143   std::string value = cmd_line->GetSwitchValueASCII(
 144       switches::kXWalkExternalExtensionsPath);
 145
 146 #if defined(ARCH_CPU_64_BITS)
 147   const char tec_path[] = "/usr/lib64/tizen-extensions-crosswalk";
 148 #else
 149   const char tec_path[] = "/usr/lib/tizen-extensions-crosswalk";
 150 #endif
 151
 152   if (value.empty())
 153     cmd_line->AppendSwitchASCII(switches::kXWalkExternalExtensionsPath,
 154         tec_path);
 155   else if (value != tec_path)
 156     VLOG(0) << "Loading Tizen extensions from " << value << " rather than " <<
 157         tec_path;
 158
 159   cmd_line->AppendSwitch(
 160         switches::kXWalkAllowExternalExtensionsForRemoteSources);
 161 #else
 162   if (!cmd_line->HasSwitch(switches::kXWalkExternalExtensionsPath))
 163     return;
 164 #endif
 165
 166   if (!cmd_line->HasSwitch(
 167           switches::kXWalkAllowExternalExtensionsForRemoteSources) &&
 168       (!startup_url_.is_empty() && !startup_url_.SchemeIsFile())) {
 169     VLOG(0) << "Unsupported scheme for external extensions: " <<
 170           startup_url_.scheme();
 171     return;
 172   }
 173
 174   base::FilePath extensions_dir =
 175       cmd_line->GetSwitchValuePath(switches::kXWalkExternalExtensionsPath);
 176   if (!base::DirectoryExists(extensions_dir)) {
 177     LOG(WARNING) << "Ignoring non-existent extension directory: "
 178                  << extensions_dir.AsUTF8Unsafe();
 179     return;
 180   }
 181
 182   extension_service_->RegisterExternalExtensionsForPath(extensions_dir);
 183 }
 184
 185 void XWalkBrowserMainParts::PreMainMessageLoopRun() {
 186   xwalk_runner_->PreMainMessageLoopRun();
 187
 188   extension_service_ = xwalk_runner_->extension_service();
 189
 190   if (extension_service_)
 191     RegisterExternalExtensions();
 192
 193 #if !defined(DISABLE_NACL)
 194   NaClBrowserDelegateImpl* delegate = new NaClBrowserDelegateImpl();
 195   nacl::NaClBrowser::SetDelegate(delegate);
 196
 197   content::BrowserThread::PostTask(
 198       content::BrowserThread::IO,
 199       FROM_HERE,
 200       base::Bind(nacl::NaClProcessHost::EarlyStartup));
 201 #endif
 202
 203   CommandLine* command_line = CommandLine::ForCurrentProcess();
 204   if (command_line->HasSwitch(switches::kRemoteDebuggingPort)) {
 205     std::string port_str =
 206         command_line->GetSwitchValueASCII(switches::kRemoteDebuggingPort);
 207     int port;
 208     base::StringToInt(port_str, &port);
 209     xwalk_runner_->EnableRemoteDebugging(port);
 210   }
 211
 212   NativeAppWindow::Initialize();
 213
 214   if (command_line->HasSwitch(switches::kListFeaturesFlags)) {
 215     XWalkRuntimeFeatures::GetInstance()->DumpFeaturesFlags();
 216     run_default_message_loop_ = false;
 217     return;
 218   }
 219
 220 #if !defined(SHARED_PROCESS_MODE)
 221   application::ApplicationSystem* app_system = xwalk_runner_->app_system();
 222   app_system->LaunchFromCommandLine(*command_line, startup_url_,
 223                                     run_default_message_loop_);
 224   // If the |ui_task| is specified in main function parameter, it indicates
 225   // that we will run this UI task instead of running the the default main
 226   // message loop. See |content::BrowserTestBase::SetUp| for |ui_task| usage
 227   // case.
 228   if (parameters_.ui_task) {
 229     parameters_.ui_task->Run();
 230     delete parameters_.ui_task;
 231     run_default_message_loop_ = false;
 232   }
 233 #endif
 234 }
 235
 236 bool XWalkBrowserMainParts::MainMessageLoopRun(int* result_code) {
 237   return !run_default_message_loop_;
 238 }
 239
 240 void XWalkBrowserMainParts::PostMainMessageLoopRun() {
 241   xwalk_runner_->PostMainMessageLoopRun();
 242 }
 243
 244 void XWalkBrowserMainParts::CreateInternalExtensionsForUIThread(
 245     content::RenderProcessHost* host,
 246     extensions::XWalkExtensionVector* extensions) {
 247 }
 248
 249 void XWalkBrowserMainParts::CreateInternalExtensionsForExtensionThread(
 250     content::RenderProcessHost* host,
 251     extensions::XWalkExtensionVector* extensions) {
 252 }
 253
 254 }  // namespace xwalk