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/application/public/interfaces/shell.mojom.h"
  17 #include "mojo/shell/application_manager.h"
  18
  19 class GURL;
  20
  21 namespace mojo {
  22 class ApplicationDelegate;
  23 }
  24
  25 namespace content {
  26
  27 // MojoShellContext hosts the browser's ApplicationManager, coordinating
  28 // app registration and interconnection.
  29 class CONTENT_EXPORT MojoShellContext
  30     : public NON_EXPORTED_BASE(mojo::shell::ApplicationManager::Delegate) {
  31  public:
  32   using StaticApplicationMap =
  33       std::map<GURL, base::Callback<scoped_ptr<mojo::ApplicationDelegate>()>>;
  34
  35   MojoShellContext();
  36   ~MojoShellContext() override;
  37
  38   // Connects an application at |url| and gets a handle to its exposed services.
  39   // This is only intended for use in browser code that's not part of some Mojo
  40   // application. May be called from any thread. |requestor_url| is given to
  41   // the target application as the requestor's URL upon connection.
  42   static void ConnectToApplication(
  43       const GURL& url,
  44       const GURL& requestor_url,
  45       mojo::InterfaceRequest<mojo::ServiceProvider> request,
  46       mojo::ServiceProviderPtr exposed_services,
  47       const mojo::shell::CapabilityFilter& filter,
  48       const mojo::Shell::ConnectToApplicationCallback& callback);
  49
  50   static void SetApplicationsForTest(const StaticApplicationMap* apps);
  51
  52  private:
  53   class Proxy;
  54   friend class Proxy;
  55
  56   void ConnectToApplicationOnOwnThread(
  57       const GURL& url,
  58       const GURL& requestor_url,
  59       mojo::InterfaceRequest<mojo::ServiceProvider> request,
  60       mojo::ServiceProviderPtr exposed_services,
  61       const mojo::shell::CapabilityFilter& filter,
  62       const mojo::Shell::ConnectToApplicationCallback& callback);
  63
  64   // mojo::shell::ApplicationManager::Delegate:
  65   GURL ResolveMappings(const GURL& url) override;
  66   GURL ResolveMojoURL(const GURL& url) override;
  67   bool CreateFetcher(
  68       const GURL& url,
  69       const mojo::shell::Fetcher::FetchCallback& loader_callback) override;
  70
  71   static base::LazyInstance<scoped_ptr<Proxy>> proxy_;
  72
  73   scoped_ptr<mojo::shell::ApplicationManager> application_manager_;
  74
  75   DISALLOW_COPY_AND_ASSIGN(MojoShellContext);
  76 };
  77
  78 }  // namespace content
  79
  80 #endif  // CONTENT_BROWSER_MOJO_MOJO_SHELL_CONTEXT_H_