mojo/shell/application_instance.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 MOJO_SHELL_APPLICATION_INSTANCE_H_
   6 #define MOJO_SHELL_APPLICATION_INSTANCE_H_
   7
   8 #include <set>
   9
  10 #include "base/callback.h"
  11 #include "mojo/application/public/interfaces/application.mojom.h"
  12 #include "mojo/application/public/interfaces/shell.mojom.h"
  13 #include "mojo/public/cpp/bindings/binding.h"
  14 #include "mojo/shell/capability_filter.h"
  15 #include "mojo/shell/identity.h"
  16 #include "url/gurl.h"
  17
  18 namespace mojo {
  19 namespace shell {
  20
  21 class ApplicationManager;
  22
  23 // Encapsulates a connection to an instance of an application, tracked by the
  24 // shell's ApplicationManager.
  25 class ApplicationInstance : public Shell {
  26  public:
  27   // |requesting_content_handler_id| is the id of the content handler that
  28   // loaded this app. If the app was not loaded by a content handler the id
  29   // is kInvalidContentHandlerID.
  30   ApplicationInstance(ApplicationPtr application,
  31                       ApplicationManager* manager,
  32                       const Identity& originator_identity,
  33                       const Identity& resolved_identity,
  34                       const CapabilityFilter& filter,
  35                       uint32_t requesting_content_handler_id,
  36                       const base::Closure& on_application_end);
  37
  38   ~ApplicationInstance() override;
  39
  40   void InitializeApplication();
  41
  42   void ConnectToClient(ApplicationInstance* originator,
  43                        const GURL& requested_url,
  44                        const GURL& requestor_url,
  45                        InterfaceRequest<ServiceProvider> services,
  46                        ServiceProviderPtr exposed_services,
  47                        const CapabilityFilter& filter,
  48                        const ConnectToApplicationCallback& callback);
  49
  50   // Returns the set of interfaces this application instance is allowed to see
  51   // from an instance with |identity|.
  52   AllowedInterfaces GetAllowedInterfaces(const Identity& identity) const;
  53
  54   Application* application() { return application_.get(); }
  55   const Identity& identity() const { return identity_; }
  56   base::Closure on_application_end() const { return on_application_end_; }
  57   void set_requesting_content_handler_id(uint32_t id) {
  58     requesting_content_handler_id_ = id;
  59   }
  60   uint32_t requesting_content_handler_id() const {
  61     return requesting_content_handler_id_;
  62   }
  63
  64  private:
  65   // Shell implementation:
  66   void ConnectToApplication(
  67       URLRequestPtr app_request,
  68       InterfaceRequest<ServiceProvider> services,
  69       ServiceProviderPtr exposed_services,
  70       CapabilityFilterPtr filter,
  71       const ConnectToApplicationCallback& callback) override;
  72   void QuitApplication() override;
  73
  74   void CallAcceptConnection(ApplicationInstance* originator,
  75                             const GURL& url,
  76                             InterfaceRequest<ServiceProvider> services,
  77                             ServiceProviderPtr exposed_services,
  78                             const GURL& requested_url);
  79
  80   void OnConnectionError();
  81
  82   void OnQuitRequestedResult(bool can_quit);
  83
  84   struct QueuedClientRequest {
  85     QueuedClientRequest();
  86     ~QueuedClientRequest();
  87     ApplicationInstance* originator;
  88     GURL requested_url;
  89     GURL requestor_url;
  90     InterfaceRequest<ServiceProvider> services;
  91     ServiceProviderPtr exposed_services;
  92     CapabilityFilter filter;
  93     ConnectToApplicationCallback connect_callback;
  94   };
  95
  96   ApplicationManager* const manager_;
  97   const Identity originator_identity_;
  98   const Identity identity_;
  99   const CapabilityFilter filter_;
 100   const bool allow_any_application_;
 101   uint32_t requesting_content_handler_id_;
 102   base::Closure on_application_end_;
 103   ApplicationPtr application_;
 104   Binding<Shell> binding_;
 105   bool queue_requests_;
 106   std::vector<QueuedClientRequest*> queued_client_requests_;
 107
 108   DISALLOW_COPY_AND_ASSIGN(ApplicationInstance);
 109 };
 110
 111 }  // namespace shell
 112 }  // namespace mojo
 113
 114 #endif  // MOJO_SHELL_APPLICATION_INSTANCE_H_