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_dev_tools_discovery_provider.h"
   9 #include "android_webview/browser/aw_media_client_android.h"
  10 #include "android_webview/browser/aw_result_codes.h"
  11 #include "android_webview/browser/deferred_gpu_command_service.h"
  12 #include "android_webview/common/aw_resource.h"
  13 #include "android_webview/common/aw_switches.h"
  14 #include "base/android/apk_assets.h"
  15 #include "base/android/build_info.h"
  16 #include "base/android/locale_utils.h"
  17 #include "base/android/memory_pressure_listener_android.h"
  18 #include "base/command_line.h"
  19 #include "base/files/file_path.h"
  20 #include "base/path_service.h"
  21 #include "content/public/browser/android/synchronous_compositor.h"
  22 #include "content/public/browser/render_frame_host.h"
  23 #include "content/public/browser/render_process_host.h"
  24 #include "content/public/common/content_client.h"
  25 #include "content/public/common/content_switches.h"
  26 #include "content/public/common/result_codes.h"
  27 #include "content/public/common/url_utils.h"
  28 #include "media/base/android/media_client_android.h"
  29 #include "net/android/network_change_notifier_factory_android.h"
  30 #include "net/base/network_change_notifier.h"
  31 #include "ui/base/l10n/l10n_util.h"
  32 #include "ui/base/layout.h"
  33 #include "ui/base/resource/resource_bundle.h"
  34 #include "ui/base/resource/resource_bundle_android.h"
  35 #include "ui/base/ui_base_paths.h"
  36 #include "ui/gl/gl_surface.h"
  37
  38 namespace android_webview {
  39
  40 AwBrowserMainParts::AwBrowserMainParts(AwBrowserContext* browser_context)
  41     : browser_context_(browser_context) {
  42 }
  43
  44 AwBrowserMainParts::~AwBrowserMainParts() {
  45 }
  46
  47 void AwBrowserMainParts::PreEarlyInitialization() {
  48   net::NetworkChangeNotifier::SetFactory(
  49       new net::NetworkChangeNotifierFactoryAndroid());
  50
  51   // Android WebView does not use default MessageLoop. It has its own
  52   // Android specific MessageLoop. Also see MainMessageLoopRun.
  53   DCHECK(!main_message_loop_.get());
  54   main_message_loop_.reset(new base::MessageLoopForUI);
  55   base::MessageLoopForUI::current()->Start();
  56 }
  57
  58 int AwBrowserMainParts::PreCreateThreads() {
  59   ui::SetLocalePaksStoredInApk(true);
  60   std::string locale = ui::ResourceBundle::InitSharedInstanceWithLocale(
  61       base::android::GetDefaultLocale(),
  62       NULL,
  63       ui::ResourceBundle::DO_NOT_LOAD_COMMON_RESOURCES);
  64   if (locale.empty()) {
  65     LOG(WARNING) << "Failed to load locale .pak from the apk. "
  66         "Bringing up WebView without any locale";
  67   }
  68
  69   // Try to directly mmap the webviewchromium.pak from the apk. Fall back to
  70   // load from file, using PATH_SERVICE, otherwise.
  71   base::FilePath pak_file_path;
  72   PathService::Get(ui::DIR_RESOURCE_PAKS_ANDROID, &pak_file_path);
  73   pak_file_path = pak_file_path.AppendASCII("webviewchromium.pak");
  74   ui::LoadMainAndroidPackFile("assets/webviewchromium.pak", pak_file_path);
  75
  76   base::android::MemoryPressureListenerAndroid::RegisterSystemCallback(
  77       base::android::AttachCurrentThread());
  78   DeferredGpuCommandService::SetInstance();
  79
  80   return content::RESULT_CODE_NORMAL_EXIT;
  81 }
  82
  83 void AwBrowserMainParts::PreMainMessageLoopRun() {
  84   browser_context_->PreMainMessageLoopRun();
  85
  86   AwDevToolsDiscoveryProvider::Install();
  87
  88   media::SetMediaClientAndroid(
  89       new AwMediaClientAndroid(AwResource::GetConfigKeySystemUuidMapping()));
  90
  91   if (base::CommandLine::ForCurrentProcess()->HasSwitch(
  92           switches::kUseInProcCommandBuffer)) {
  93     gfx::GLSurface::InitializeOneOff();
  94   } else {
  95     content::SynchronousCompositor::SetUseIpcCommandBuffer();
  96   }
  97
  98   content::RenderFrameHost::AllowInjectingJavaScriptForAndroidWebView();
  99
 100   // This is needed for WebView Classic backwards compatibility
 101   // See crbug.com/298495
 102   content::SetMaxURLChars(20 * 1024 * 1024);
 103 }
 104
 105 bool AwBrowserMainParts::MainMessageLoopRun(int* result_code) {
 106   // Android WebView does not use default MessageLoop. It has its own
 107   // Android specific MessageLoop.
 108   return true;
 109 }
 110
 111 }  // namespace android_webview