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Issue 1410573004: headless: Add a headless shell (Closed) Base URL: https://chromium.googlesource.com/chromium/src.git@master
Patch Set: Move to a top level directory. Created 5 years, 1 month ago
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1 // Copyright 2015 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 "headless/lib/headless_main_delegate.h"
6
7 #include "base/command_line.h"
8 #include "base/logging.h"
9 #include "base/path_service.h"
10 #include "base/trace_event/trace_event.h"
11 #include "content/public/browser/browser_main_runner.h"
12 #include "content/public/browser/content_browser_client.h"
13 #include "content/public/common/content_client.h"
14 #include "content/public/common/content_switches.h"
15 #include "content/public/renderer/content_renderer_client.h"
16 #include "content/public/utility/content_utility_client.h"
17 #include "ui/base/resource/resource_bundle.h"
18
19 namespace {
20
21 void InitLogging() {
22 base::FilePath log_filename;
23 PathService::Get(base::DIR_EXE, &log_filename);
24 log_filename = log_filename.AppendASCII("headless_test_shell.log");
25 logging::LoggingSettings settings;
26 settings.logging_dest = logging::LOG_TO_ALL;
27 settings.log_file = log_filename.value().c_str();
28 settings.delete_old = logging::DELETE_OLD_LOG_FILE;
29 logging::InitLogging(settings);
30 logging::SetLogItems(true, true, true, true);
31 }
32
33 } // namespace
34
35 namespace headless {
36
37 class HeadlessContentClient : public content::ContentClient {};
38
39 class HeadlessContentBrowserClient : public content::ContentBrowserClient {};
40
41 class HeadlessContentRendererClient : public content::ContentRendererClient {};
42
43 class HeadlessContentUtilityClient : public content::ContentUtilityClient {};
44
45 HeadlessMainDelegate::HeadlessMainDelegate() {}
46
47 HeadlessMainDelegate::~HeadlessMainDelegate() {}
48
49 bool HeadlessMainDelegate::BasicStartupComplete(int* exit_code) {
50 base::CommandLine& command_line = *base::CommandLine::ForCurrentProcess();
51
52 InitLogging();
53
54 command_line.AppendSwitch(switches::kNoSandbox);
55 command_line.AppendSwitch(switches::kSingleProcess);
56
57 // TODO(skyostil): Investigate using Mesa/SwiftShader for output.
58 command_line.AppendSwitch(switches::kDisableGpu);
59
60 content_client_.reset(new HeadlessContentClient);
61 SetContentClient(content_client_.get());
62
63 return false;
64 }
65
66 void HeadlessMainDelegate::PreSandboxStartup() {
67 InitializeResourceBundle();
68 }
69
70 int HeadlessMainDelegate::RunProcess(
71 const std::string& process_type,
72 const content::MainFunctionParams& main_function_params) {
73 if (!process_type.empty())
74 return -1;
75
76 base::trace_event::TraceLog::GetInstance()->SetProcessName("HeadlessBrowser");
77
78 scoped_ptr<content::BrowserMainRunner> browser_runner(
79 content::BrowserMainRunner::Create());
80 int exit_code = browser_runner->Initialize(main_function_params);
81 DCHECK_LT(exit_code, 0);
82 exit_code = browser_runner->Run();
83 browser_runner->Shutdown();
84 return exit_code;
85 }
86
87 void HeadlessMainDelegate::ZygoteForked() {
88 // TODO(skyostil): Disable the zygote host.
89 }
90
91 // static
92 void HeadlessMainDelegate::InitializeResourceBundle() {
93 base::FilePath pak_file;
94 bool r = PathService::Get(base::DIR_MODULE, &pak_file);
Peter Beverloo 2015/10/27 14:35:51 nit: const bool success?
95 DCHECK(r);
96 pak_file = pak_file.Append(FILE_PATH_LITERAL("content_shell.pak"));
Peter Beverloo 2015/10/27 14:35:51 headless.pak
97 ui::ResourceBundle::InitSharedInstanceWithPakPath(pak_file);
98 }
99
100 content::ContentBrowserClient*
101 HeadlessMainDelegate::CreateContentBrowserClient() {
102 browser_client_.reset(new HeadlessContentBrowserClient);
103 return browser_client_.get();
104 }
105
106 content::ContentRendererClient*
107 HeadlessMainDelegate::CreateContentRendererClient() {
108 renderer_client_.reset(new HeadlessContentRendererClient);
109 return renderer_client_.get();
110 }
111
112 content::ContentUtilityClient*
113 HeadlessMainDelegate::CreateContentUtilityClient() {
114 utility_client_.reset(new HeadlessContentUtilityClient);
115 return utility_client_.get();
116 }
117
118 } // namespace headless
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