1// Copyright (c) 2012 The Chromium Authors. 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 "content/shell/app/shell_main_delegate.h"
6
7#include "base/base_switches.h"
8#include "base/command_line.h"
9#include "base/cpu.h"
10#include "base/files/file.h"
11#include "base/files/file_path.h"
12#include "base/lazy_instance.h"
13#include "base/logging.h"
14#include "base/path_service.h"
15#include "cc/base/switches.h"
16#include "content/public/browser/browser_main_runner.h"
17#include "content/public/common/content_switches.h"
18#include "content/public/common/url_constants.h"
19#include "content/public/test/layouttest_support.h"
20#include "content/shell/app/shell_crash_reporter_client.h"
21#include "content/shell/app/webkit_test_platform_support.h"
22#include "content/shell/browser/shell_browser_main.h"
23#include "content/shell/browser/shell_content_browser_client.h"
24#include "content/shell/common/shell_switches.h"
25#include "content/shell/renderer/shell_content_renderer_client.h"
26#include "media/base/media_switches.h"
27#include "net/cookies/cookie_monster.h"
28#include "ui/base/resource/resource_bundle.h"
29#include "ui/base/ui_base_paths.h"
30#include "ui/base/ui_base_switches.h"
31#include "ui/events/event_switches.h"
32#include "ui/gfx/switches.h"
33#include "ui/gl/gl_switches.h"
34
35#include "ipc/ipc_message.h"  // For IPC_MESSAGE_LOG_ENABLED.
36
37#if defined(IPC_MESSAGE_LOG_ENABLED)
38#define IPC_MESSAGE_MACROS_LOG_ENABLED
39#include "content/public/common/content_ipc_logging.h"
40#define IPC_LOG_TABLE_ADD_ENTRY(msg_id, logger) \
41    content::RegisterIPCLogger(msg_id, logger)
42#include "content/shell/common/shell_messages.h"
43#endif
44
45#if defined(OS_ANDROID)
46#include "base/posix/global_descriptors.h"
47#include "content/shell/android/shell_descriptors.h"
48#endif
49
50#if defined(OS_MACOSX)
51#include "base/mac/os_crash_dumps.h"
52#include "components/crash/app/breakpad_mac.h"
53#include "content/shell/app/paths_mac.h"
54#include "content/shell/app/shell_main_delegate_mac.h"
55#endif  // OS_MACOSX
56
57#if defined(OS_WIN)
58#include <initguid.h>
59#include <windows.h>
60#include "base/logging_win.h"
61#include "components/crash/app/breakpad_win.h"
62#endif
63
64#if defined(OS_POSIX) && !defined(OS_MACOSX)
65#include "components/crash/app/breakpad_linux.h"
66#endif
67
68namespace {
69
70base::LazyInstance<content::ShellCrashReporterClient>::Leaky
71    g_shell_crash_client = LAZY_INSTANCE_INITIALIZER;
72
73#if defined(OS_WIN)
74// If "Content Shell" doesn't show up in your list of trace providers in
75// Sawbuck, add these registry entries to your machine (NOTE the optional
76// Wow6432Node key for x64 machines):
77// 1. Find:  HKLM\SOFTWARE\[Wow6432Node\]Google\Sawbuck\Providers
78// 2. Add a subkey with the name "{6A3E50A4-7E15-4099-8413-EC94D8C2A4B6}"
79// 3. Add these values:
80//    "default_flags"=dword:00000001
81//    "default_level"=dword:00000004
82//    @="Content Shell"
83
84// {6A3E50A4-7E15-4099-8413-EC94D8C2A4B6}
85const GUID kContentShellProviderName = {
86    0x6a3e50a4, 0x7e15, 0x4099,
87        { 0x84, 0x13, 0xec, 0x94, 0xd8, 0xc2, 0xa4, 0xb6 } };
88#endif
89
90void InitLogging() {
91  base::FilePath log_filename;
92  PathService::Get(base::DIR_EXE, &log_filename);
93  log_filename = log_filename.AppendASCII("content_shell.log");
94  logging::LoggingSettings settings;
95  settings.logging_dest = logging::LOG_TO_ALL;
96  settings.log_file = log_filename.value().c_str();
97  settings.delete_old = logging::DELETE_OLD_LOG_FILE;
98  logging::InitLogging(settings);
99  logging::SetLogItems(true, true, true, true);
100}
101
102}  // namespace
103
104namespace content {
105
106ShellMainDelegate::ShellMainDelegate() {
107}
108
109ShellMainDelegate::~ShellMainDelegate() {
110}
111
112bool ShellMainDelegate::BasicStartupComplete(int* exit_code) {
113#if defined(OS_WIN)
114  // Enable trace control and transport through event tracing for Windows.
115  logging::LogEventProvider::Initialize(kContentShellProviderName);
116#endif
117#if defined(OS_MACOSX)
118  // Needs to happen before InitializeResourceBundle() and before
119  // WebKitTestPlatformInitialize() are called.
120  OverrideFrameworkBundlePath();
121  OverrideChildProcessPath();
122  EnsureCorrectResolutionSettings();
123#endif  // OS_MACOSX
124
125  InitLogging();
126  CommandLine& command_line = *CommandLine::ForCurrentProcess();
127  if (command_line.HasSwitch(switches::kCheckLayoutTestSysDeps)) {
128    // If CheckLayoutSystemDeps succeeds, we don't exit early. Instead we
129    // continue and try to load the fonts in WebKitTestPlatformInitialize
130    // below, and then try to bring up the rest of the content module.
131    if (!CheckLayoutSystemDeps()) {
132      if (exit_code)
133        *exit_code = 1;
134      return true;
135    }
136  }
137
138  if (command_line.HasSwitch(switches::kDumpRenderTree)) {
139    EnableBrowserLayoutTestMode();
140
141    command_line.AppendSwitch(switches::kProcessPerTab);
142    command_line.AppendSwitch(switches::kEnableLogging);
143    command_line.AppendSwitch(switches::kAllowFileAccessFromFiles);
144    command_line.AppendSwitchASCII(switches::kUseGL,
145                                   gfx::kGLImplementationOSMesaName);
146    command_line.AppendSwitch(switches::kSkipGpuDataLoading);
147    command_line.AppendSwitchASCII(switches::kTouchEvents,
148                                   switches::kTouchEventsEnabled);
149    command_line.AppendSwitchASCII(switches::kForceDeviceScaleFactor, "1.0");
150#if defined(OS_ANDROID)
151    command_line.AppendSwitch(
152        switches::kDisableGestureRequirementForMediaPlayback);
153#endif
154
155    if (!command_line.HasSwitch(switches::kStableReleaseMode)) {
156      command_line.AppendSwitch(
157        switches::kEnableExperimentalWebPlatformFeatures);
158    }
159
160    if (!command_line.HasSwitch(switches::kEnableThreadedCompositing)) {
161      command_line.AppendSwitch(switches::kDisableThreadedCompositing);
162      command_line.AppendSwitch(cc::switches::kDisableThreadedAnimation);
163      command_line.AppendSwitch(switches::kDisableImplSidePainting);
164    }
165
166    command_line.AppendSwitch(switches::kEnableInbandTextTracks);
167    command_line.AppendSwitch(switches::kMuteAudio);
168
169#if defined(USE_AURA) || defined(OS_ANDROID) || defined(OS_MACOSX)
170    // TODO: crbug.com/311404 Make layout tests work w/ delegated renderer.
171    command_line.AppendSwitch(switches::kDisableDelegatedRenderer);
172    command_line.AppendSwitch(cc::switches::kCompositeToMailbox);
173#endif
174
175    command_line.AppendSwitch(switches::kEnableFileCookies);
176
177    command_line.AppendSwitch(switches::kEnablePreciseMemoryInfo);
178
179    command_line.AppendSwitchASCII(switches::kHostResolverRules,
180                                   "MAP *.test 127.0.0.1");
181
182    // Unless/until WebM files are added to the media layout tests, we need to
183    // avoid removing MP4/H264/AAC so that layout tests can run on Android.
184#if !defined(OS_ANDROID)
185    net::RemoveProprietaryMediaTypesAndCodecsForTests();
186#endif
187
188    if (!WebKitTestPlatformInitialize()) {
189      if (exit_code)
190        *exit_code = 1;
191      return true;
192    }
193  }
194  SetContentClient(&content_client_);
195  return false;
196}
197
198void ShellMainDelegate::PreSandboxStartup() {
199#if defined(ARCH_CPU_ARM_FAMILY) && (defined(OS_ANDROID) || defined(OS_LINUX))
200  // Create an instance of the CPU class to parse /proc/cpuinfo and cache
201  // cpu_brand info.
202  base::CPU cpu_info;
203#endif
204  if (CommandLine::ForCurrentProcess()->HasSwitch(
205          switches::kEnableCrashReporter)) {
206    std::string process_type =
207        CommandLine::ForCurrentProcess()->GetSwitchValueASCII(
208            switches::kProcessType);
209    crash_reporter::SetCrashReporterClient(g_shell_crash_client.Pointer());
210#if defined(OS_MACOSX)
211    base::mac::DisableOSCrashDumps();
212    breakpad::InitCrashReporter(process_type);
213    breakpad::InitCrashProcessInfo(process_type);
214#elif defined(OS_POSIX) && !defined(OS_MACOSX)
215    if (process_type != switches::kZygoteProcess) {
216#if defined(OS_ANDROID)
217      if (process_type.empty())
218        breakpad::InitCrashReporter(process_type);
219      else
220        breakpad::InitNonBrowserCrashReporterForAndroid(process_type);
221#else
222      breakpad::InitCrashReporter(process_type);
223#endif
224    }
225#elif defined(OS_WIN)
226    UINT new_flags =
227        SEM_FAILCRITICALERRORS | SEM_NOGPFAULTERRORBOX | SEM_NOOPENFILEERRORBOX;
228    UINT existing_flags = SetErrorMode(new_flags);
229    SetErrorMode(existing_flags | new_flags);
230    breakpad::InitCrashReporter(process_type);
231#endif
232  }
233
234  InitializeResourceBundle();
235}
236
237int ShellMainDelegate::RunProcess(
238    const std::string& process_type,
239    const MainFunctionParams& main_function_params) {
240  if (!process_type.empty())
241    return -1;
242
243#if !defined(OS_ANDROID)
244  // Android stores the BrowserMainRunner instance as a scoped member pointer
245  // on the ShellMainDelegate class because of different object lifetime.
246  scoped_ptr<BrowserMainRunner> browser_runner_;
247#endif
248
249  browser_runner_.reset(BrowserMainRunner::Create());
250  return ShellBrowserMain(main_function_params, browser_runner_);
251}
252
253#if defined(OS_POSIX) && !defined(OS_ANDROID) && !defined(OS_MACOSX)
254void ShellMainDelegate::ZygoteForked() {
255  if (CommandLine::ForCurrentProcess()->HasSwitch(
256          switches::kEnableCrashReporter)) {
257    std::string process_type =
258        CommandLine::ForCurrentProcess()->GetSwitchValueASCII(
259            switches::kProcessType);
260    breakpad::InitCrashReporter(process_type);
261  }
262}
263#endif
264
265void ShellMainDelegate::InitializeResourceBundle() {
266#if defined(OS_ANDROID)
267  // In the Android case, the renderer runs with a different UID and can never
268  // access the file system.  So we are passed a file descriptor to the
269  // ResourceBundle pak at launch time.
270  int pak_fd =
271      base::GlobalDescriptors::GetInstance()->MaybeGet(kShellPakDescriptor);
272  if (pak_fd >= 0) {
273    // This is clearly wrong. See crbug.com/330930
274    ui::ResourceBundle::InitSharedInstanceWithPakFileRegion(
275        base::File(pak_fd), base::MemoryMappedFile::Region::kWholeFile);
276    ResourceBundle::GetSharedInstance().AddDataPackFromFile(
277        base::File(pak_fd), ui::SCALE_FACTOR_100P);
278    return;
279  }
280#endif
281
282  base::FilePath pak_file;
283#if defined(OS_MACOSX)
284  pak_file = GetResourcesPakFilePath();
285#else
286  base::FilePath pak_dir;
287
288#if defined(OS_ANDROID)
289  bool got_path = PathService::Get(base::DIR_ANDROID_APP_DATA, &pak_dir);
290  DCHECK(got_path);
291  pak_dir = pak_dir.Append(FILE_PATH_LITERAL("paks"));
292#else
293  PathService::Get(base::DIR_MODULE, &pak_dir);
294#endif
295
296  pak_file = pak_dir.Append(FILE_PATH_LITERAL("content_shell.pak"));
297#endif
298  ui::ResourceBundle::InitSharedInstanceWithPakPath(pak_file);
299}
300
301ContentBrowserClient* ShellMainDelegate::CreateContentBrowserClient() {
302  browser_client_.reset(new ShellContentBrowserClient);
303  return browser_client_.get();
304}
305
306ContentRendererClient* ShellMainDelegate::CreateContentRendererClient() {
307  renderer_client_.reset(new ShellContentRendererClient);
308  return renderer_client_.get();
309}
310
311}  // namespace content
312