content/browser/mojo/mojo_shell_context.h

   1 // Copyright 2015 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 CONTENT_BROWSER_MOJO_MOJO_SHELL_CONTEXT_H_
   6 #define CONTENT_BROWSER_MOJO_MOJO_SHELL_CONTEXT_H_
   7
   8 #include <map>
   9
  10 #include "base/callback_forward.h"
  11 #include "base/compiler_specific.h"
  12 #include "base/lazy_instance.h"
  13 #include "base/macros.h"
  14 #include "base/memory/scoped_ptr.h"
  15 #include "content/common/content_export.h"
  16 #include "mojo/shell/application_manager.h"
  17
  18 class GURL;
  19
  20 namespace mojo {
  21 class ApplicationDelegate;
  22 }
  23
  24 namespace content {
  25
  26 // MojoShellContext hosts the browser's ApplicationManager, coordinating
  27 // app registration and interconnection.
  28 class CONTENT_EXPORT MojoShellContext
  29     : public NON_EXPORTED_BASE(mojo::shell::ApplicationManager::Delegate) {
  30  public:
  31   using StaticApplicationMap =
  32       std::map<GURL, base::Callback<scoped_ptr<mojo::ApplicationDelegate>()>>;
  33
  34   MojoShellContext();
  35   ~MojoShellContext() override;
  36
  37   // Connects an application at |url| and gets a handle to its exposed services.
  38   // This is only intended for use in browser code that's not part of some Mojo
  39   // application. May be called from any thread. |requestor_url| is given to
  40   // the target application as the requestor's URL upon connection.
  41   static void ConnectToApplication(
  42       const GURL& url,
  43       const GURL& requestor_url,
  44       mojo::InterfaceRequest<mojo::ServiceProvider> request);
  45
  46   static void SetApplicationsForTest(const StaticApplicationMap* apps);
  47
  48  private:
  49   class Proxy;
  50   friend class Proxy;
  51
  52   void ConnectToApplicationOnOwnThread(
  53       const GURL& url,
  54       const GURL& requestor_url,
  55       mojo::InterfaceRequest<mojo::ServiceProvider> request);
  56
  57   // mojo::shell::ApplicationManager::Delegate:
  58   GURL ResolveMappings(const GURL& url) override;
  59   GURL ResolveMojoURL(const GURL& url) override;
  60   bool CreateFetcher(
  61       const GURL& url,
  62       const mojo::shell::Fetcher::FetchCallback& loader_callback) override;
  63
  64   static base::LazyInstance<scoped_ptr<Proxy>> proxy_;
  65
  66   scoped_ptr<mojo::shell::ApplicationManager> application_manager_;
  67
  68   DISALLOW_COPY_AND_ASSIGN(MojoShellContext);
  69 };
  70
  71 }  // namespace content
  72
  73 #endif  // CONTENT_BROWSER_MOJO_MOJO_SHELL_CONTEXT_H_