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// Copyright (c) 2011 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/web_resource/gpu_blacklist_updater.h"
#include "base/logging.h"
#include "base/values.h"
#include "chrome/browser/browser_process.h"
#include "chrome/browser/prefs/pref_service.h"
#include "chrome/browser/prefs/scoped_user_pref_update.h"
#include "chrome/browser/profiles/profile.h"
#include "chrome/browser/profiles/profile_manager.h"
#include "chrome/common/chrome_version_info.h"
#include "chrome/common/pref_names.h"
#include "content/browser/browser_thread.h"
#include "content/browser/gpu_blacklist.h"
#include "content/browser/gpu_data_manager.h"
#include "content/common/notification_type.h"
#include "grit/browser_resources.h"
#include "ui/base/resource/resource_bundle.h"
namespace {
// Delay on first fetch so we don't interfere with startup.
static const int kStartGpuBlacklistFetchDelay = 6000;
// Delay between calls to update the gpu blacklist (48 hours).
static const int kCacheUpdateDelay = 48 * 60 * 60 * 1000;
} // namespace
const char* GpuBlacklistUpdater::kDefaultGpuBlacklistURL =
"https://dl.google.com/dl/edgedl/chrome/gpu/software_rendering_list.json";
GpuBlacklistUpdater::GpuBlacklistUpdater()
: WebResourceService(ProfileManager::GetDefaultProfile(),
g_browser_process->local_state(),
GpuBlacklistUpdater::kDefaultGpuBlacklistURL,
false, // don't append locale to URL
NotificationType::NOTIFICATION_TYPE_COUNT,
prefs::kGpuBlacklistUpdate,
kStartGpuBlacklistFetchDelay,
kCacheUpdateDelay),
gpu_blacklist_cache_(NULL) {
PrefService* local_state = g_browser_process->local_state();
// If we bring up chrome normally, prefs should never be NULL; however, we
// we handle the case where local_state == NULL for certain tests.
if (local_state) {
local_state->RegisterDictionaryPref(prefs::kGpuBlacklist);
gpu_blacklist_cache_ = local_state->GetDictionary(prefs::kGpuBlacklist);
DCHECK(gpu_blacklist_cache_);
}
LoadGpuBlacklist();
}
GpuBlacklistUpdater::~GpuBlacklistUpdater() { }
void GpuBlacklistUpdater::Unpack(const DictionaryValue& parsed_json) {
DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
DictionaryPrefUpdate update(prefs_, prefs::kGpuBlacklist);
DictionaryValue* gpu_blacklist_cache = update.Get();
DCHECK(gpu_blacklist_cache);
gpu_blacklist_cache->Clear();
gpu_blacklist_cache->MergeDictionary(&parsed_json);
LoadGpuBlacklist();
}
void GpuBlacklistUpdater::LoadGpuBlacklist() {
DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
scoped_ptr<GpuBlacklist> gpu_blacklist;
// We first load it from the browser resources, and then check if the cached
// version is more up-to-date.
static const base::StringPiece gpu_blacklist_json(
ResourceBundle::GetSharedInstance().GetRawDataResource(
IDR_GPU_BLACKLIST));
chrome::VersionInfo version_info;
std::string chrome_version_string =
version_info.is_valid() ? version_info.Version() : "0";
gpu_blacklist.reset(new GpuBlacklist(chrome_version_string));
if (!gpu_blacklist->LoadGpuBlacklist(gpu_blacklist_json.as_string(), true))
return;
uint16 version_major, version_minor;
bool succeed = gpu_blacklist->GetVersion(&version_major, &version_minor);
DCHECK(succeed);
VLOG(1) << "Using software rendering list version "
<< version_major << "." << version_minor;
if (gpu_blacklist_cache_) {
uint16 cached_version_major, cached_version_minor;
if (GpuBlacklist::GetVersion(*gpu_blacklist_cache_,
&cached_version_major,
&cached_version_minor)) {
if (gpu_blacklist.get() != NULL) {
uint16 current_version_major, current_version_minor;
if (gpu_blacklist->GetVersion(¤t_version_major,
¤t_version_minor) &&
(cached_version_major > current_version_major ||
(cached_version_major == current_version_major &&
cached_version_minor > current_version_minor))) {
chrome::VersionInfo version_info;
std::string chrome_version_string =
version_info.is_valid() ? version_info.Version() : "0";
GpuBlacklist* updated_list = new GpuBlacklist(chrome_version_string);
if (updated_list->LoadGpuBlacklist(*gpu_blacklist_cache_, true)) {
gpu_blacklist.reset(updated_list);
VLOG(1) << "Using software rendering list version "
<< cached_version_major << "." << cached_version_minor;
} else {
delete updated_list;
}
}
}
}
}
// Need to initialize GpuDataManager to load the current GPU blacklist,
// collect preliminary GPU info, and run through GPU blacklist.
GpuDataManager* gpu_data_manager = GpuDataManager::GetInstance();
gpu_data_manager->UpdateGpuBlacklist(gpu_blacklist.release());
}
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