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 #ifndef ANDROID_WEBVIEW_BROWSER_AW_BROWSER_MAIN_PARTS_H_
6 #define ANDROID_WEBVIEW_BROWSER_AW_BROWSER_MAIN_PARTS_H_
7 
8 #include <memory>
9 
10 #include "android_webview/browser/aw_browser_process.h"
11 #include "base/compiler_specific.h"
12 #include "base/macros.h"
13 #include "base/task/single_thread_task_executor.h"
14 #include "content/public/browser/browser_main_parts.h"
15 
16 namespace metrics {
17 class MemoryMetricsLogger;
18 }
19 
20 namespace android_webview {
21 
22 class AwBrowserProcess;
23 class AwContentBrowserClient;
24 
25 class AwBrowserMainParts : public content::BrowserMainParts {
26  public:
27   explicit AwBrowserMainParts(AwContentBrowserClient* browser_client);
28   ~AwBrowserMainParts() override;
29 
30   // Overriding methods from content::BrowserMainParts.
31   int PreEarlyInitialization() override;
32   int PreCreateThreads() override;
33   void PreMainMessageLoopRun() override;
34   bool MainMessageLoopRun(int* result_code) override;
35   void PostCreateThreads() override;
36 
37  private:
38   // Android specific UI SingleThreadTaskExecutor.
39   std::unique_ptr<base::SingleThreadTaskExecutor> main_task_executor_;
40 
41   AwContentBrowserClient* browser_client_;
42 
43   std::unique_ptr<metrics::MemoryMetricsLogger> metrics_logger_;
44 
45   std::unique_ptr<AwBrowserProcess> browser_process_;
46 
47   DISALLOW_COPY_AND_ASSIGN(AwBrowserMainParts);
48 };
49 
50 }  // namespace android_webview
51 
52 #endif  // ANDROID_WEBVIEW_BROWSER_AW_BROWSER_MAIN_PARTS_H_
53