88 lines
3.3 KiB
C++
88 lines
3.3 KiB
C++
// Copyright (c) 2012 The Chromium Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file.
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#include <windows.h>
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#include <commctrl.h>
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#include <Objbase.h>
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#include "libcef/browser/browser_host_impl.h"
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#include "libcef/browser/browser_main.h"
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#include "chrome/common/chrome_utility_messages.h"
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#include "content/public/browser/utility_process_host.h"
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#include "content/public/browser/utility_process_host_client.h"
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#include "content/public/common/dwrite_font_platform_win.h"
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#include "grit/cef_strings.h"
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#include "ui/base/l10n/l10n_util.h"
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#include "ui/gfx/win/direct_write.h"
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namespace {
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void ExecuteFontCacheBuildTask(const base::FilePath& path) {
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base::WeakPtr<content::UtilityProcessHost> utility_process_host(
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content::UtilityProcessHost::Create(NULL, NULL)->AsWeakPtr());
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utility_process_host->SetName(l10n_util::GetStringUTF16(
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IDS_UTILITY_PROCESS_FONT_CACHE_BUILDER_NAME));
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utility_process_host->DisableSandbox();
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utility_process_host->Send(
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new ChromeUtilityHostMsg_BuildDirectWriteFontCache(path));
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}
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} // namespace
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void CefBrowserMainParts::PlatformInitialize() {
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HRESULT res;
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// Initialize common controls.
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res = CoInitialize(NULL);
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DCHECK(SUCCEEDED(res));
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INITCOMMONCONTROLSEX InitCtrlEx;
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InitCtrlEx.dwSize = sizeof(INITCOMMONCONTROLSEX);
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InitCtrlEx.dwICC = ICC_STANDARD_CLASSES;
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InitCommonControlsEx(&InitCtrlEx);
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// Start COM stuff.
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res = OleInitialize(NULL);
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DCHECK(SUCCEEDED(res));
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// Register the browser window class.
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CefBrowserHostImpl::RegisterWindowClass();
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}
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void CefBrowserMainParts::PlatformPreMainMessageLoopRun() {
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// From ChromeBrowserMainPartsWin::PostProfileInit().
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// DirectWrite support is mainly available on Windows 7 and up.
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if (gfx::win::ShouldUseDirectWrite()) {
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const base::FilePath& cache_path = global_browser_context_->GetPath();
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if (cache_path.empty())
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return;
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const base::FilePath& font_cache_path =
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cache_path.AppendASCII(content::kFontCacheSharedSectionName);
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// This function will create a read only section if cache file exists
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// otherwise it will spawn utility process to build cache file, which will
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// be used during next browser start/postprofileinit.
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if (!content::LoadFontCache(font_cache_path)) {
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// We delay building of font cache until first startup page loads.
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// During first renderer start there are lot of things happening
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// simultaneously some of them are:
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// - Renderer is going through all font files on the system to create
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// a font collection.
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// - Renderer loading up startup URL, accessing HTML/JS File cache,
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// net activity etc.
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// - Extension initialization.
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// We delay building of cache mainly to avoid parallel font file
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// loading along with Renderer. Some systems have significant number of
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// font files which takes long time to process.
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// Related information is at http://crbug.com/436195.
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const int kBuildFontCacheDelaySec = 30;
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content::BrowserThread::PostDelayedTask(
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content::BrowserThread::IO,
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FROM_HERE,
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base::Bind(ExecuteFontCacheBuildTask, font_cache_path),
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base::TimeDelta::FromSeconds(kBuildFontCacheDelaySec));
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}
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}
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}
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