chrome/app/chrome_main_delegate.h

   1 // Copyright 2011 The Chromium Authors
   2 // Use of this source code is governed by a BSD-style license that can be
   3 // found in the LICENSE file.
   4
   5 #ifndef CHROME_APP_CHROME_MAIN_DELEGATE_H_
   6 #define CHROME_APP_CHROME_MAIN_DELEGATE_H_
   7
   8 #include <memory>
   9 #include <vector>
  10
  11 #include "base/time/time.h"
  12 #include "build/build_config.h"
  13 #include "build/chromeos_buildflags.h"
  14 #include "chrome/browser/startup_data.h"
  15 #include "chrome/common/chrome_content_client.h"
  16 #include "components/memory_system/memory_system.h"
  17 #include "content/public/app/content_main_delegate.h"
  18 #include "third_party/abseil-cpp/absl/types/optional.h"
  19
  20 namespace base {
  21 class CommandLine;
  22 }
  23
  24 namespace chromeos {
  25 class LacrosService;
  26 }
  27
  28 namespace tracing {
  29 class TracingSamplerProfiler;
  30 }
  31
  32 class ChromeContentBrowserClient;
  33 class ChromeContentUtilityClient;
  34
  35 // Chrome implementation of ContentMainDelegate.
  36 class ChromeMainDelegate : public content::ContentMainDelegate {
  37  public:
  38   static const char* const kNonWildcardDomainNonPortSchemes[];
  39   static const size_t kNonWildcardDomainNonPortSchemesSize;
  40
  41   ChromeMainDelegate();
  42
  43   // |exe_entry_point_ticks| is the time at which the main function of the
  44   // executable was entered, or null if not available.
  45   explicit ChromeMainDelegate(base::TimeTicks exe_entry_point_ticks);
  46
  47   ChromeMainDelegate(const ChromeMainDelegate&) = delete;
  48   ChromeMainDelegate& operator=(const ChromeMainDelegate&) = delete;
  49
  50   ~ChromeMainDelegate() override;
  51
  52  protected:
  53   // content::ContentMainDelegate:
  54   absl::optional<int> BasicStartupComplete() override;
  55   void PreSandboxStartup() override;
  56   void SandboxInitialized(const std::string& process_type) override;
  57   absl::variant<int, content::MainFunctionParams> RunProcess(
  58       const std::string& process_type,
  59       content::MainFunctionParams main_function_params) override;
  60   void ProcessExiting(const std::string& process_type) override;
  61 #if BUILDFLAG(IS_LINUX) || BUILDFLAG(IS_CHROMEOS)
  62   void ZygoteStarting(std::vector<std::unique_ptr<content::ZygoteForkDelegate>>*
  63                           delegates) override;
  64   void ZygoteForked() override;
  65 #endif
  66   absl::optional<int> PreBrowserMain() override;
  67   absl::optional<int> PostEarlyInitialization(InvokedIn invoked_in) override;
  68   bool ShouldCreateFeatureList(InvokedIn invoked_in) override;
  69   bool ShouldInitializeMojo(InvokedIn invoked_in) override;
  70 #if BUILDFLAG(IS_WIN)
  71   bool ShouldHandleConsoleControlEvents() override;
  72 #endif
  73
  74   content::ContentClient* CreateContentClient() override;
  75   content::ContentBrowserClient* CreateContentBrowserClient() override;
  76   content::ContentGpuClient* CreateContentGpuClient() override;
  77   content::ContentRendererClient* CreateContentRendererClient() override;
  78   content::ContentUtilityClient* CreateContentUtilityClient() override;
  79
  80   // Initialization that happens in all process types.
  81   void CommonEarlyInitialization(InvokedIn invoked_in);
  82
  83   // Initializes |tracing_sampler_profiler_|. Deletes any existing
  84   // |tracing_sampler_profiler_| as well.
  85   void SetupTracing();
  86
  87 #if BUILDFLAG(IS_MAC)
  88   void InitMacCrashReporter(const base::CommandLine& command_line,
  89                             const std::string& process_type);
  90   void SetUpInstallerPreferences(const base::CommandLine& command_line);
  91 #endif  // BUILDFLAG(IS_MAC)
  92
  93   void InitializeMemorySystem();
  94
  95   std::unique_ptr<ChromeContentBrowserClient> chrome_content_browser_client_;
  96   std::unique_ptr<ChromeContentUtilityClient> chrome_content_utility_client_;
  97   std::unique_ptr<tracing::TracingSamplerProfiler> tracing_sampler_profiler_;
  98
  99   ChromeContentClient chrome_content_client_;
 100
 101   memory_system::MemorySystem memory_system_;
 102
 103 #if BUILDFLAG(IS_CHROMEOS_LACROS)
 104   std::unique_ptr<chromeos::LacrosService> lacros_service_;
 105 #endif
 106 };
 107
 108 #endif  // CHROME_APP_CHROME_MAIN_DELEGATE_H_