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      1 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
      2 // Use of this source code is governed by a BSD-style license that can be
      3 // found in the LICENSE file.
      4 
      5 #include "chrome/browser/extensions/external_loader.h"
      6 
      7 #include "base/logging.h"
      8 #include "base/values.h"
      9 #include "chrome/browser/extensions/external_provider_impl.h"
     10 #include "content/public/browser/browser_thread.h"
     11 
     12 using content::BrowserThread;
     13 
     14 namespace extensions {
     15 
     16 ExternalLoader::ExternalLoader()
     17     : owner_(NULL) {
     18 }
     19 
     20 void ExternalLoader::Init(ExternalProviderImpl* owner) {
     21   CHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
     22   owner_ = owner;
     23 }
     24 
     25 const base::FilePath ExternalLoader::GetBaseCrxFilePath() {
     26   CHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
     27 
     28   // By default, relative paths are not supported.
     29   // Subclasses that wish to support them should override this method.
     30   return base::FilePath();
     31 }
     32 
     33 void ExternalLoader::OwnerShutdown() {
     34   CHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
     35   owner_ = NULL;
     36 }
     37 
     38 ExternalLoader::~ExternalLoader() {}
     39 
     40 void ExternalLoader::LoadFinished() {
     41   CHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
     42   if (owner_) {
     43     owner_->SetPrefs(prefs_.release());
     44   }
     45 }
     46 
     47 }  // namespace extensions
     48