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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_SHELL_UI_APPLICATION_LOADER_ANDROID_H_ | |
6 #define MOJO_SHELL_UI_APPLICATION_LOADER_ANDROID_H_ | |
7 | |
8 #include "base/macros.h" | |
9 #include "base/memory/scoped_ptr.h" | |
10 #include "mojo/application_manager/application_loader.h" | |
11 | |
12 namespace mojo { | |
13 | |
14 class ApplicationManager; | |
15 | |
16 namespace shell { | |
17 class Context; | |
18 } | |
19 | |
20 // ApplicationLoader implementation that creates a background thread and issues | |
21 // load | |
22 // requests there. | |
23 class UIApplicationLoader : public ApplicationLoader { | |
24 public: | |
25 UIApplicationLoader(scoped_ptr<ApplicationLoader> real_loader, | |
26 shell::Context* context); | |
27 ~UIApplicationLoader() override; | |
28 | |
29 // ApplicationLoader overrides: | |
30 void Load(ApplicationManager* manager, | |
31 const GURL& url, | |
32 scoped_refptr<LoadCallbacks> callbacks) override; | |
33 void OnApplicationError(ApplicationManager* manager, | |
34 const GURL& url) override; | |
35 | |
36 private: | |
37 class UILoader; | |
38 | |
39 // These functions are exected on the background thread. They call through | |
40 // to |background_loader_| to do the actual loading. | |
41 // TODO: having this code take a |manager| is fragile (as ApplicationManager | |
42 // isn't thread safe). | |
43 void LoadOnUIThread(ApplicationManager* manager, | |
44 const GURL& url, | |
45 ScopedMessagePipeHandle* shell_handle); | |
46 void OnApplicationErrorOnUIThread(ApplicationManager* manager, | |
47 const GURL& url); | |
48 void ShutdownOnUIThread(); | |
49 | |
50 scoped_ptr<ApplicationLoader> loader_; | |
51 shell::Context* context_; | |
52 | |
53 // Lives on the UI thread. Trivial interface that calls through to |loader_|. | |
54 UILoader* ui_loader_; | |
55 | |
56 DISALLOW_COPY_AND_ASSIGN(UIApplicationLoader); | |
57 }; | |
58 | |
59 } // namespace mojo | |
60 | |
61 #endif // MOJO_SHELL_UI_APPLICATION_LOADER_ANDROID_H_ | |
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