mojo/runner/android/ui_application_loader_android.h

   1 // Copyright 2014 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 #ifndef MOJO_RUNNER_ANDROID_UI_APPLICATION_LOADER_ANDROID_H_
   6 #define MOJO_RUNNER_ANDROID_UI_APPLICATION_LOADER_ANDROID_H_
   7
   8 #include "base/macros.h"
   9 #include "base/memory/scoped_ptr.h"
  10 #include "mojo/shell/application_loader.h"
  11
  12 namespace base {
  13 class MessageLoop;
  14 }
  15
  16 namespace mojo {
  17 namespace runner {
  18
  19 class ApplicationManager;
  20
  21 // ApplicationLoader implementation that creates a background thread and issues
  22 // load
  23 // requests there.
  24 class UIApplicationLoader : public shell::ApplicationLoader {
  25  public:
  26   UIApplicationLoader(scoped_ptr<ApplicationLoader> real_loader,
  27                       base::MessageLoop* ui_message_loop);
  28   ~UIApplicationLoader() override;
  29
  30   // ApplicationLoader overrides:
  31   void Load(const GURL& url,
  32             InterfaceRequest<Application> application_request) override;
  33
  34  private:
  35   class UILoader;
  36
  37   // These functions are exected on the background thread. They call through
  38   // to |background_loader_| to do the actual loading.
  39   // TODO: having this code take a |manager| is fragile (as ApplicationManager
  40   // isn't thread safe).
  41   void LoadOnUIThread(const GURL& url,
  42                       InterfaceRequest<Application> application_request);
  43   void ShutdownOnUIThread();
  44
  45   scoped_ptr<ApplicationLoader> loader_;
  46   base::MessageLoop* ui_message_loop_;
  47
  48   DISALLOW_COPY_AND_ASSIGN(UIApplicationLoader);
  49 };
  50
  51 }  // namespace runner
  52 }  // namespace mojo
  53
  54 #endif  // MOJO_RUNNER_ANDROID_UI_APPLICATION_LOADER_ANDROID_H_