chrome/app/android/chrome_main_delegate_android.cc

   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 "chrome/app/android/chrome_main_delegate_android.h"
   6
   7 #include "base/android/jni_android.h"
   8 #include "base/base_paths_android.h"
   9 #include "base/files/file_path.h"
  10 #include "base/files/file_util.h"
  11 #include "base/logging.h"
  12 #include "base/path_service.h"
  13 #include "base/trace_event/trace_event.h"
  14 #include "chrome/browser/android/chrome_startup_flags.h"
  15 #include "chrome/browser/android/metrics/uma_utils.h"
  16 #include "chrome/browser/android/metrics/uma_utils.h"
  17 #include "chrome/browser/media/android/remote/remote_media_player_manager.h"
  18 #include "components/policy/core/browser/android/android_combined_policy_provider.h"
  19 #include "components/startup_metric_utils/startup_metric_utils.h"
  20 #include "content/browser/media/android/browser_media_player_manager.h"
  21 #include "content/public/browser/browser_main_runner.h"
  22
  23 #if defined(SAFE_BROWSING_DB_REMOTE)
  24 #include "chrome/browser/safe_browsing/safe_browsing_api_handler.h"
  25 #endif
  26
  27 namespace {
  28
  29 content::BrowserMediaPlayerManager* CreateRemoteMediaPlayerManager(
  30     content::RenderFrameHost* render_frame_host) {
  31   return new remote_media::RemoteMediaPlayerManager(render_frame_host);
  32 }
  33
  34 } // namespace
  35
  36 // ChromeMainDelegateAndroid is created when the library is loaded. It is always
  37 // done in the process's main Java thread. But for non browser process, e.g.
  38 // renderer process, it is not the native Chrome's main thread.
  39 ChromeMainDelegateAndroid::ChromeMainDelegateAndroid() {
  40 }
  41
  42 ChromeMainDelegateAndroid::~ChromeMainDelegateAndroid() {
  43 }
  44
  45 bool ChromeMainDelegateAndroid::BasicStartupComplete(int* exit_code) {
  46 #if defined(SAFE_BROWSING_DB_REMOTE)
  47   safe_browsing_api_handler_.reset(CreateSafeBrowsingApiHandler());
  48   SafeBrowsingApiHandler::SetInstance(safe_browsing_api_handler_.get());
  49 #endif
  50
  51   policy::android::AndroidCombinedPolicyProvider::SetShouldWaitForPolicy(true);
  52   SetChromeSpecificCommandLineFlags();
  53   content::BrowserMediaPlayerManager::RegisterFactory(
  54       &CreateRemoteMediaPlayerManager);
  55
  56   return ChromeMainDelegate::BasicStartupComplete(exit_code);
  57 }
  58
  59 void ChromeMainDelegateAndroid::SandboxInitialized(
  60     const std::string& process_type) {
  61   ChromeMainDelegate::SandboxInitialized(process_type);
  62 }
  63
  64 int ChromeMainDelegateAndroid::RunProcess(
  65     const std::string& process_type,
  66     const content::MainFunctionParams& main_function_params) {
  67   TRACE_EVENT0("startup", "ChromeMainDelegateAndroid::RunProcess")
  68   if (process_type.empty()) {
  69     // By default, Android creates the directory accessible by others.
  70     // We'd like to tighten security and make it accessible only by
  71     // the browser process.
  72     base::FilePath data_path;
  73     bool ok = PathService::Get(base::DIR_ANDROID_APP_DATA, &data_path);
  74     if (ok) {
  75       int permissions;
  76       ok = base::GetPosixFilePermissions(data_path, &permissions);
  77       if (ok) {
  78         permissions &= base::FILE_PERMISSION_USER_MASK;
  79       } else {
  80         permissions = base::FILE_PERMISSION_READ_BY_USER |
  81                       base::FILE_PERMISSION_WRITE_BY_USER |
  82                       base::FILE_PERMISSION_EXECUTE_BY_USER;
  83       }
  84
  85       ok = base::SetPosixFilePermissions(data_path, permissions);
  86     }
  87     if (!ok)
  88       LOG(ERROR) << "Failed to set permission of " << data_path.value();
  89
  90     // Because the browser process can be started asynchronously as a series of
  91     // UI thread tasks a second request to start it can come in while the
  92     // first request is still being processed. Chrome must keep the same
  93     // browser runner for the second request.
  94     // Also only record the start time the first time round, since this is the
  95     // start time of the application, and will be same for all requests.
  96     if (!browser_runner_.get()) {
  97       base::Time time = chrome::android::GetMainEntryPointTime();
  98       startup_metric_utils::RecordMainEntryPointTime(time);
  99       browser_runner_.reset(content::BrowserMainRunner::Create());
 100     }
 101     return browser_runner_->Initialize(main_function_params);
 102   }
 103
 104   return ChromeMainDelegate::RunProcess(process_type, main_function_params);
 105 }
 106
 107 void ChromeMainDelegateAndroid::ProcessExiting(
 108     const std::string& process_type) {
 109 #if defined(SAFE_BROWSING_DB_REMOTE)
 110   SafeBrowsingApiHandler::SetInstance(nullptr);
 111 #endif
 112 }
 113
 114 #if defined(SAFE_BROWSING_DB_REMOTE)
 115 SafeBrowsingApiHandler*
 116 ChromeMainDelegateAndroid::CreateSafeBrowsingApiHandler() {
 117   return nullptr;
 118 }
 119 #endif