apps/shell/shell_browser_main_parts.h

   1 // Copyright 2013 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 APPS_SHELL_SHELL_BROWSER_MAIN_PARTS_H_
   6 #define APPS_SHELL_SHELL_BROWSER_MAIN_PARTS_H_
   7
   8 #include "base/basictypes.h"
   9 #include "base/compiler_specific.h"
  10 #include "base/memory/scoped_ptr.h"
  11 #include "content/public/browser/browser_main_parts.h"
  12 #include "ui/aura/root_window_observer.h"
  13
  14 namespace aura {
  15 class TestScreen;
  16 }
  17
  18 namespace content {
  19 class ShellBrowserContext;
  20 struct MainFunctionParams;
  21 }
  22
  23 namespace extensions {
  24 class ShellExtensionsBrowserClient;
  25 class ShellExtensionSystem;
  26 }
  27
  28 namespace wm {
  29 class WMTestHelper;
  30 }
  31
  32 namespace apps {
  33
  34 class ShellBrowserContext;
  35 class ShellExtensionsClient;
  36
  37 // Handles initialization of AppShell.
  38 class ShellBrowserMainParts : public content::BrowserMainParts,
  39                               public aura::RootWindowObserver {
  40  public:
  41   explicit ShellBrowserMainParts(
  42       const content::MainFunctionParams& parameters);
  43   virtual ~ShellBrowserMainParts();
  44
  45   ShellBrowserContext* browser_context() {
  46     return browser_context_.get();
  47   }
  48
  49   extensions::ShellExtensionSystem* extension_system() {
  50     return extension_system_;
  51   }
  52
  53   // BrowserMainParts overrides.
  54   virtual void PreEarlyInitialization() OVERRIDE;
  55   virtual void PreMainMessageLoopStart() OVERRIDE;
  56   virtual void PostMainMessageLoopStart() OVERRIDE;
  57   virtual int PreCreateThreads() OVERRIDE;
  58   virtual void PreMainMessageLoopRun() OVERRIDE;
  59   virtual bool MainMessageLoopRun(int* result_code) OVERRIDE;
  60   virtual void PostMainMessageLoopRun() OVERRIDE;
  61
  62   // aura::RootWindowObserver overrides:
  63   virtual void OnWindowTreeHostCloseRequested(const aura::RootWindow* root)
  64       OVERRIDE;
  65
  66  private:
  67   // Creates the window that hosts the apps.
  68   void CreateRootWindow();
  69
  70   // Closes and destroys the root window hosting the app.
  71   void DestroyRootWindow();
  72
  73   // Creates and initializes the ExtensionSystem.
  74   void CreateExtensionSystem();
  75
  76   scoped_ptr<ShellBrowserContext> browser_context_;
  77   scoped_ptr<ShellExtensionsClient> extensions_client_;
  78   scoped_ptr<extensions::ShellExtensionsBrowserClient>
  79       extensions_browser_client_;
  80
  81   // Enable a minimal set of views::corewm to be initialized.
  82   scoped_ptr<wm::WMTestHelper> wm_test_helper_;
  83
  84   scoped_ptr<aura::TestScreen> test_screen_;
  85
  86   // Owned by the BrowserContextKeyedService system.
  87   extensions::ShellExtensionSystem* extension_system_;
  88
  89   DISALLOW_COPY_AND_ASSIGN(ShellBrowserMainParts);
  90 };
  91
  92 }  // namespace apps
  93
  94 #endif  // APPS_SHELL_SHELL_BROWSER_MAIN_PARTS_H_