DirectWrite Font Cache browser side hookup

chrome/browser/chrome_browser_main_win.cc

 // 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 "chrome/browser/chrome_browser_main_win.h"
 
 #include <windows.h>
 #include <shellapi.h>
 
 #include <algorithm>
 
 #include "base/command_line.h"
 #include "base/environment.h"
 #include "base/files/file_path.h"
+#include "base/files/file_util.h"
 #include "base/i18n/rtl.h"
 #include "base/memory/scoped_ptr.h"
 #include "base/metrics/histogram.h"
 #include "base/path_service.h"
 #include "base/scoped_native_library.h"
 #include "base/strings/string_number_conversions.h"
 #include "base/strings/utf_string_conversions.h"
 #include "base/win/metro.h"
 #include "base/win/win_util.h"
 #include "base/win/windows_version.h"
 #include "base/win/wrapped_window_proc.h"
 #include "chrome/browser/browser_util_win.h"
 #include "chrome/browser/chrome_elf_init_win.h"
 #include "chrome/browser/first_run/first_run.h"
 #include "chrome/browser/install_verification/win/install_verification.h"
 #include "chrome/browser/prefs/incognito_mode_prefs.h"
 #include "chrome/browser/profiles/profile_info_cache.h"
 #include "chrome/browser/profiles/profile_shortcut_manager.h"
 #include "chrome/browser/shell_integration.h"
 #include "chrome/browser/ui/simple_message_box.h"
 #include "chrome/browser/ui/uninstall_browser_prompt.h"
 #include "chrome/common/chrome_constants.h"
 #include "chrome/common/chrome_result_codes.h"
 #include "chrome/common/chrome_switches.h"
+#include "chrome/common/chrome_utility_messages.h"
 #include "chrome/common/chrome_version_info.h"
 #include "chrome/common/env_vars.h"
 #include "chrome/common/terminate_on_heap_corruption_experiment_win.h"
 #include "chrome/grit/chromium_strings.h"
 #include "chrome/grit/generated_resources.h"
 #include "chrome/installer/util/browser_distribution.h"
 #include "chrome/installer/util/helper.h"
 #include "chrome/installer/util/install_util.h"
 #include "chrome/installer/util/l10n_string_util.h"
 #include "chrome/installer/util/shell_util.h"
 #include "content/public/browser/browser_thread.h"
+#include "content/public/browser/utility_process_host.h"
+#include "content/public/browser/utility_process_host_client.h"
 #include "content/public/common/content_switches.h"
+#include "content/public/common/dwrite_font_platform_win.h"
 #include "content/public/common/main_function_params.h"
 #include "installer_util_strings/installer_util_strings.h"
 #include "ui/base/cursor/cursor_loader_win.h"
 #include "ui/base/l10n/l10n_util.h"
 #include "ui/base/l10n/l10n_util_win.h"
 #include "ui/base/ui_base_switches.h"
 #include "ui/base/win/message_box_win.h"
 #include "ui/gfx/platform_font_win.h"
 #include "ui/gfx/switches.h"
+#include "ui/gfx/win/direct_write.h"
 #include "ui/strings/grit/app_locale_settings.h"
 
 namespace {
 
 typedef HRESULT (STDAPICALLTYPE* RegisterApplicationRestartProc)(
     const wchar_t* command_line,
     DWORD flags);
 
 void InitializeWindowProcExceptions() {
   // Get the breakpad pointer from chrome.exe
@@ skipping 20 matching lines @@
 
 class TranslationDelegate : public installer::TranslationDelegate {
  public:
   virtual base::string16 GetLocalizedString(int installer_string_id) override;
 };
 
 bool IsSafeModeStart() {
   return ::GetEnvironmentVariableA(chrome::kSafeModeEnvVar, NULL, 0) != 0;
 }
 
+void ExecuteFontCacheBuildTask(const base::FilePath& path) {
+  base::WeakPtr<content::UtilityProcessHost> utility_process_host(
+      content::UtilityProcessHost::Create(NULL, NULL)->AsWeakPtr());
+  utility_process_host->DisableSandbox();
+  utility_process_host->Send(
+      new ChromeUtilityHostMsg_BuildDirectWriteFontCache(path));
+}
+
 }  // namespace
 
 void ShowCloseBrowserFirstMessageBox() {
   int message_id = IDS_UNINSTALL_CLOSE_APP;
   if (base::win::GetVersion() >= base::win::VERSION_WIN8 &&
       (ShellIntegration::GetDefaultBrowser() == ShellIntegration::IS_DEFAULT)) {
     message_id = IDS_UNINSTALL_CLOSE_APP_IMMERSIVE;
   }
   chrome::ShowMessageBox(NULL,
                          l10n_util::GetStringUTF16(IDS_PRODUCT_NAME),
@@ skipping 127 matching lines @@
   return rv;
 }
 
 void ChromeBrowserMainPartsWin::ShowMissingLocaleMessageBox() {
   ui::MessageBox(NULL,
                  base::ASCIIToUTF16(chrome_browser::kMissingLocaleDataMessage),
                  base::ASCIIToUTF16(chrome_browser::kMissingLocaleDataTitle),
                  MB_OK | MB_ICONERROR | MB_TOPMOST);
 }
 
+void ChromeBrowserMainPartsWin::PostProfileInit() {
+  ChromeBrowserMainParts::PostProfileInit();
+
+  // DirectWrite support is mainly available Windows 7 and up.
+  if (gfx::win::ShouldUseDirectWrite()) {
+    base::FilePath path(
+      profile()->GetPath().AppendASCII(content::kFontCacheSharedSectionName));
+    // This function will create a read only section if cache file exists
+    // otherwise it will spawn utility process to build cache file, which will
+    // be used during next browser start/postprofileinit.
+    if (!content::LoadFontCache(path)) {
+      content::BrowserThread::PostTask(
+          content::BrowserThread::IO, FROM_HERE,
+          base::Bind(ExecuteFontCacheBuildTask, path));
+    }
+  }
+}
+
 void ChromeBrowserMainPartsWin::PostBrowserStart() {
   ChromeBrowserMainParts::PostBrowserStart();
 
   UMA_HISTOGRAM_BOOLEAN("Windows.Tablet", base::win::IsTabletDevice());
 
   // Set up a task to verify installed modules in the current process. Use a
   // delay to reduce the impact on startup time.
   content::BrowserThread::GetMessageLoopProxyForThread(
       content::BrowserThread::UI)->PostDelayedTask(
           FROM_HERE,
@@ skipping 187 matching lines @@
   if (resource_id)
     return l10n_util::GetStringUTF16(resource_id);
   return base::string16();
 }
 
 // static
 void ChromeBrowserMainPartsWin::SetupInstallerUtilStrings() {
   CR_DEFINE_STATIC_LOCAL(TranslationDelegate, delegate, ());
   installer::SetTranslationDelegate(&delegate);
 }