| // Copyright 2014 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/utility/font_cache_handler_win.h" |
| |
| #include "base/task_runner_util.h" |
| #include "base/threading/thread.h" |
| #include "chrome/common/chrome_utility_messages.h" |
| #include "content/public/common/dwrite_font_platform_win.h" |
| #include "content/public/utility/utility_thread.h" |
| |
| FontCacheHandler::FontCacheHandler() { |
| } |
| |
| FontCacheHandler::~FontCacheHandler() { |
| } |
| |
| bool FontCacheHandler::OnMessageReceived(const IPC::Message& message) { |
| bool handled = true; |
| IPC_BEGIN_MESSAGE_MAP(FontCacheHandler, message) |
| IPC_MESSAGE_HANDLER(ChromeUtilityHostMsg_BuildDirectWriteFontCache, |
| OnBuildFontCache) |
| IPC_MESSAGE_UNHANDLED(handled = false) |
| IPC_END_MESSAGE_MAP() |
| return handled; |
| } |
| |
| void FontCacheHandler::OnBuildFontCache(const base::FilePath& full_path) { |
| DCHECK(!cache_thread_); |
| |
| utility_task_runner_ = base::MessageLoop::current()->task_runner(); |
| |
| // Create worker thread for building font cache. |
| cache_thread_.reset(new base::Thread("font_cache_thread")); |
| if (!cache_thread_->Start()) { |
| NOTREACHED(); |
| return; |
| } |
| cache_thread_->message_loop()->PostTask( |
| FROM_HERE, base::Bind(&FontCacheHandler::StartBuildingFontCache, |
| base::Unretained(this), |
| full_path)); |
| } |
| |
| void FontCacheHandler::StartBuildingFontCache(const base::FilePath& full_path) { |
| content::BuildFontCache(full_path); |
| utility_task_runner_->PostTask(FROM_HERE, |
| base::Bind(&FontCacheHandler::Cleanup, |
| base::Unretained(this))); |
| } |
| |
| void FontCacheHandler::Cleanup() { |
| cache_thread_.reset(); |
| content::UtilityThread::Get()->ReleaseProcessIfNeeded(); |
| } |