Index: chrome/browser/chromeos/app_mode/kiosk_app_data_base.cc |
diff --git a/chrome/browser/chromeos/app_mode/kiosk_app_data_base.cc b/chrome/browser/chromeos/app_mode/kiosk_app_data_base.cc |
new file mode 100644 |
index 0000000000000000000000000000000000000000..759a8876ada4e9b8e6f825d52418680c4386b21f |
--- /dev/null |
+++ b/chrome/browser/chromeos/app_mode/kiosk_app_data_base.cc |
@@ -0,0 +1,130 @@ |
+// Copyright 2017 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/chromeos/app_mode/kiosk_app_data_base.h" |
+ |
+#include <utility> |
+ |
+#include "base/files/file_util.h" |
+#include "base/memory/ptr_util.h" |
+#include "base/task_scheduler/post_task.h" |
+#include "base/threading/sequenced_worker_pool.h" |
+#include "chrome/browser/browser_process.h" |
+#include "components/prefs/pref_service.h" |
+#include "components/prefs/scoped_user_pref_update.h" |
+#include "content/public/browser/browser_thread.h" |
+#include "ui/gfx/codec/png_codec.h" |
+ |
+using content::BrowserThread; |
+ |
+namespace chromeos { |
+ |
+namespace { |
+ |
+// Keys for local state data. |
+constexpr char kKeyName[] = "name"; |
+constexpr char kKeyIcon[] = "icon"; |
+ |
+// Icon file extension. |
+constexpr char kIconFileExtension[] = ".png"; |
+ |
+// Save |raw_icon| for given |app_id|. |
+void SaveIconToLocalOnBlockingPool(const base::FilePath& icon_path, |
+ std::vector<unsigned char> image_data) { |
+ DCHECK(BrowserThread::GetBlockingPool()->RunsTasksOnCurrentThread()); |
+ |
+ const base::FilePath dir = icon_path.DirName(); |
+ if (!base::PathExists(dir) && !base::CreateDirectory(dir)) { |
+ LOG(ERROR) << "Failed to create directory to store kiosk icons"; |
+ return; |
+ } |
+ |
+ const int wrote = base::WriteFile( |
+ icon_path, reinterpret_cast<char*>(image_data.data()), image_data.size()); |
+ if (wrote != static_cast<int>(image_data.size())) { |
+ LOG(ERROR) << "Failed to write kiosk icon file"; |
+ } |
+} |
+ |
+} // namespace |
+ |
+// static |
+const char KioskAppDataBase::kKeyApps[] = "apps"; |
+ |
+KioskAppDataBase::KioskAppDataBase(const std::string& dictionary_name, |
+ const std::string& app_id, |
+ const AccountId& account_id) |
+ : dictionary_name_(dictionary_name), |
+ app_id_(app_id), |
+ account_id_(account_id) {} |
+ |
+KioskAppDataBase::~KioskAppDataBase() = default; |
+ |
+void KioskAppDataBase::SaveToDictionary(DictionaryPrefUpdate& dict_update) { |
+ DCHECK_CURRENTLY_ON(BrowserThread::UI); |
+ const std::string app_key = std::string(kKeyApps) + '.' + app_id_; |
+ const std::string name_key = app_key + '.' + kKeyName; |
+ const std::string icon_path_key = app_key + '.' + kKeyIcon; |
+ |
+ dict_update->SetString(name_key, name_); |
+ dict_update->SetString(icon_path_key, icon_path_.value()); |
+} |
+ |
+bool KioskAppDataBase::LoadFromDictionary(const base::DictionaryValue& dict) { |
+ DCHECK_CURRENTLY_ON(BrowserThread::UI); |
+ const std::string app_key = |
+ std::string(KioskAppDataBase::kKeyApps) + '.' + app_id_; |
+ const std::string name_key = app_key + '.' + kKeyName; |
+ const std::string icon_path_key = app_key + '.' + kKeyIcon; |
+ |
+ std::string icon_path_string; |
+ if (!dict.GetString(name_key, &name_) || |
+ !dict.GetString(icon_path_key, &icon_path_string)) { |
+ return false; |
+ } |
+ icon_path_ = base::FilePath(icon_path_string); |
+ |
+ kiosk_app_icon_loader_ = base::MakeUnique<KioskAppIconLoader>(this); |
+ kiosk_app_icon_loader_->Start(icon_path_); |
+ return true; |
+} |
+ |
+void KioskAppDataBase::SaveIcon(const SkBitmap& icon, |
+ const base::FilePath& cache_dir) { |
+ DCHECK_CURRENTLY_ON(BrowserThread::UI); |
+ std::vector<unsigned char> image_data; |
+ if (!gfx::PNGCodec::EncodeBGRASkBitmap(icon, false, &image_data)) { |
+ LOG(ERROR) << "Failed to encode kiosk icon"; |
+ return; |
+ } |
+ |
+ const base::FilePath icon_path = |
+ cache_dir.AppendASCII(app_id_).AddExtension(kIconFileExtension); |
+ BrowserThread::GetBlockingPool()->PostTask( |
+ FROM_HERE, base::Bind(&SaveIconToLocalOnBlockingPool, icon_path, |
+ base::Passed(std::move(image_data)))); |
+ |
+ icon_path_ = icon_path; |
+} |
+ |
+void KioskAppDataBase::ClearCache() { |
+ DCHECK_CURRENTLY_ON(BrowserThread::UI); |
+ PrefService* local_state = g_browser_process->local_state(); |
+ |
+ DictionaryPrefUpdate dict_update(local_state, dictionary_name()); |
+ |
+ const std::string app_key = |
+ std::string(KioskAppDataBase::kKeyApps) + '.' + app_id_; |
+ dict_update->Remove(app_key, nullptr); |
+ |
+ if (!icon_path_.empty()) { |
+ base::PostTaskWithTraits( |
+ FROM_HERE, |
+ base::TaskTraits().MayBlock().WithPriority( |
+ base::TaskPriority::BACKGROUND), |
+ base::Bind(base::IgnoreResult(&base::DeleteFile), icon_path_, false)); |
+ } |
+} |
+ |
+} // namespace chromeos |