android_webview/browser/aw_browser_main_parts.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 "android_webview/browser/aw_browser_main_parts.h"
   6
   7 #include "android_webview/browser/aw_browser_context.h"
   8 #include "android_webview/browser/aw_result_codes.h"
   9 #include "base/android/build_info.h"
  10 #include "base/android/memory_pressure_listener_android.h"
  11 #include "base/command_line.h"
  12 #include "base/files/file_path.h"
  13 #include "base/path_service.h"
  14 #include "content/public/browser/render_process_host.h"
  15 #include "content/public/common/content_client.h"
  16 #include "content/public/common/content_switches.h"
  17 #include "content/public/common/result_codes.h"
  18 #include "content/public/common/url_utils.h"
  19 #include "gpu/command_buffer/service/mailbox_synchronizer.h"
  20 #include "net/android/network_change_notifier_factory_android.h"
  21 #include "net/base/network_change_notifier.h"
  22 #include "ui/base/l10n/l10n_util_android.h"
  23 #include "ui/base/layout.h"
  24 #include "ui/base/resource/resource_bundle.h"
  25 #include "ui/base/ui_base_paths.h"
  26
  27 namespace android_webview {
  28
  29 AwBrowserMainParts::AwBrowserMainParts(AwBrowserContext* browser_context)
  30     : browser_context_(browser_context) {
  31 }
  32
  33 AwBrowserMainParts::~AwBrowserMainParts() {
  34 }
  35
  36 void AwBrowserMainParts::PreEarlyInitialization() {
  37   net::NetworkChangeNotifier::SetFactory(
  38       new net::NetworkChangeNotifierFactoryAndroid());
  39
  40   // Android WebView does not use default MessageLoop. It has its own
  41   // Android specific MessageLoop. Also see MainMessageLoopRun.
  42   DCHECK(!main_message_loop_.get());
  43   main_message_loop_.reset(new base::MessageLoopForUI);
  44   base::MessageLoopForUI::current()->Start();
  45 }
  46
  47 int AwBrowserMainParts::PreCreateThreads() {
  48   ui::ResourceBundle::InitSharedInstanceLocaleOnly(
  49       l10n_util::GetDefaultLocale(), NULL);
  50
  51   base::FilePath pak_path;
  52   PathService::Get(ui::DIR_RESOURCE_PAKS_ANDROID, &pak_path);
  53
  54   ui::ResourceBundle::GetSharedInstance().AddDataPackFromPath(
  55       pak_path.AppendASCII("webviewchromium.pak"),
  56       ui::SCALE_FACTOR_NONE);
  57
  58   base::android::MemoryPressureListenerAndroid::RegisterSystemCallback(
  59       base::android::AttachCurrentThread());
  60
  61   return content::RESULT_CODE_NORMAL_EXIT;
  62 }
  63
  64 void AwBrowserMainParts::PreMainMessageLoopRun() {
  65   if (!gpu::gles2::MailboxSynchronizer::Initialize()) {
  66     CommandLine::ForCurrentProcess()->AppendSwitch(
  67         switches::kDisableAccelerated2dCanvas);
  68   }
  69
  70   browser_context_->PreMainMessageLoopRun();
  71   // This is needed for WebView Classic backwards compatibility
  72   // See crbug.com/298495
  73   content::SetMaxURLChars(20 * 1024 * 1024);
  74 }
  75
  76 bool AwBrowserMainParts::MainMessageLoopRun(int* result_code) {
  77   // Android WebView does not use default MessageLoop. It has its own
  78   // Android specific MessageLoop.
  79   return true;
  80 }
  81
  82 }  // namespace android_webview