| // Copyright (c) 2012 The Chromium Authors. All rights reserved. |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| #include "android_webview/browser/aw_browser_main_parts.h" |
| |
| #include "android_webview/browser/aw_browser_context.h" |
| #include "android_webview/browser/aw_result_codes.h" |
| #include "android_webview/native/aw_assets.h" |
| #include "base/android/build_info.h" |
| #include "base/android/memory_pressure_listener_android.h" |
| #include "base/command_line.h" |
| #include "base/files/file_path.h" |
| #include "base/path_service.h" |
| #include "content/public/browser/render_process_host.h" |
| #include "content/public/common/content_client.h" |
| #include "content/public/common/content_switches.h" |
| #include "content/public/common/result_codes.h" |
| #include "content/public/common/url_utils.h" |
| #include "gpu/command_buffer/service/mailbox_synchronizer.h" |
| #include "net/android/network_change_notifier_factory_android.h" |
| #include "net/base/network_change_notifier.h" |
| #include "ui/base/l10n/l10n_util.h" |
| #include "ui/base/l10n/l10n_util_android.h" |
| #include "ui/base/layout.h" |
| #include "ui/base/resource/resource_bundle.h" |
| #include "ui/base/ui_base_paths.h" |
| |
| namespace android_webview { |
| |
| AwBrowserMainParts::AwBrowserMainParts(AwBrowserContext* browser_context) |
| : browser_context_(browser_context) { |
| } |
| |
| AwBrowserMainParts::~AwBrowserMainParts() { |
| } |
| |
| void AwBrowserMainParts::PreEarlyInitialization() { |
| net::NetworkChangeNotifier::SetFactory( |
| new net::NetworkChangeNotifierFactoryAndroid()); |
| |
| // Android WebView does not use default MessageLoop. It has its own |
| // Android specific MessageLoop. Also see MainMessageLoopRun. |
| DCHECK(!main_message_loop_.get()); |
| main_message_loop_.reset(new base::MessageLoopForUI); |
| base::MessageLoopForUI::current()->Start(); |
| } |
| |
| int AwBrowserMainParts::PreCreateThreads() { |
| int pak_fd = 0; |
| int64 pak_off = 0; |
| int64 pak_len = 0; |
| |
| // TODO(primiano, mkosiba): GetApplicationLocale requires a ResourceBundle |
| // instance to be present to work correctly so we call this (knowing it will |
| // fail) just to create the ResourceBundle instance. We should refactor |
| // ResourceBundle/GetApplicationLocale to not require an instance to be |
| // initialized. |
| ui::ResourceBundle::InitSharedInstanceLocaleOnly( |
| l10n_util::GetDefaultLocale(), NULL); |
| std::string locale = l10n_util::GetApplicationLocale(std::string()) + ".pak"; |
| if (AwAssets::OpenAsset(locale, &pak_fd, &pak_off, &pak_len)) { |
| VLOG(0) << "Load from apk succesful, fd=" << pak_fd << " off=" << pak_off |
| << " len=" << pak_len; |
| ui::ResourceBundle::CleanupSharedInstance(); |
| ui::ResourceBundle::InitSharedInstanceWithPakFileRegion( |
| base::File(pak_fd), |
| base::MemoryMappedFile::Region(pak_off, pak_len), |
| /*should_load_common_resources=*/false); |
| } else { |
| LOG(WARNING) << "Failed to load " << locale << ".pak from the apk too. " |
| "Bringing up WebView without any locale"; |
| } |
| |
| // Try to directly mmap the webviewchromium.pak from the apk. Fall back to |
| // load from file, using PATH_SERVICE, otherwise. |
| if (AwAssets::OpenAsset("webviewchromium.pak", &pak_fd, &pak_off, &pak_len)) { |
| VLOG(0) << "Loading webviewchromium.pak from, fd:" << pak_fd |
| << " off:" << pak_off << " len:" << pak_len; |
| ui::ResourceBundle::GetSharedInstance().AddDataPackFromFileRegion( |
| base::File(pak_fd), |
| base::MemoryMappedFile::Region(pak_off, pak_len), |
| ui::SCALE_FACTOR_NONE); |
| } else { |
| base::FilePath pak_path; |
| PathService::Get(ui::DIR_RESOURCE_PAKS_ANDROID, &pak_path); |
| LOG(WARNING) << "Cannot load webviewchromium.pak assets from the apk. " |
| "Falling back loading it from " << pak_path.MaybeAsASCII(); |
| ui::ResourceBundle::GetSharedInstance().AddDataPackFromPath( |
| pak_path.AppendASCII("webviewchromium.pak"), ui::SCALE_FACTOR_NONE); |
| } |
| |
| base::android::MemoryPressureListenerAndroid::RegisterSystemCallback( |
| base::android::AttachCurrentThread()); |
| |
| return content::RESULT_CODE_NORMAL_EXIT; |
| } |
| |
| void AwBrowserMainParts::PreMainMessageLoopRun() { |
| // TODO(boliu): Can't support accelerated 2d canvas and WebGL with ubercomp |
| // yet: crbug.com/352424. |
| if (!gpu::gles2::MailboxSynchronizer::Initialize()) { |
| CommandLine* cl = CommandLine::ForCurrentProcess(); |
| cl->AppendSwitch(switches::kDisableAccelerated2dCanvas); |
| cl->AppendSwitch(switches::kDisableExperimentalWebGL); |
| } |
| |
| browser_context_->PreMainMessageLoopRun(); |
| // This is needed for WebView Classic backwards compatibility |
| // See crbug.com/298495 |
| content::SetMaxURLChars(20 * 1024 * 1024); |
| } |
| |
| bool AwBrowserMainParts::MainMessageLoopRun(int* result_code) { |
| // Android WebView does not use default MessageLoop. It has its own |
| // Android specific MessageLoop. |
| return true; |
| } |
| |
| } // namespace android_webview |