components/html_viewer/html_document_application_delegate.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 COMPONENTS_HTML_VIEWER_HTML_DOCUMENT_APPLICATION_DELEGATE_H_
   6 #define COMPONENTS_HTML_VIEWER_HTML_DOCUMENT_APPLICATION_DELEGATE_H_
   7
   8 #include <set>
   9
  10 #include "base/macros.h"
  11 #include "base/memory/scoped_ptr.h"
  12 #include "base/memory/weak_ptr.h"
  13 #include "components/html_viewer/html_factory.h"
  14 #include "mojo/application/public/cpp/application_delegate.h"
  15 #include "mojo/application/public/cpp/application_impl.h"
  16 #include "mojo/services/network/public/interfaces/url_loader_factory.mojom.h"
  17 #include "third_party/mojo/src/mojo/public/cpp/bindings/interface_request.h"
  18
  19 namespace html_viewer {
  20
  21 class GlobalState;
  22 class HTMLDocument;
  23
  24 // ApplicationDelegate created by the content handler for a specific url.
  25 class HTMLDocumentApplicationDelegate : public mojo::ApplicationDelegate,
  26                                         public HTMLFactory {
  27  public:
  28   HTMLDocumentApplicationDelegate(
  29       mojo::InterfaceRequest<mojo::Application> request,
  30       mojo::URLResponsePtr response,
  31       GlobalState* global_state,
  32       scoped_ptr<mojo::AppRefCount> parent_app_refcount);
  33
  34   void set_html_factory(HTMLFactory* factory) { html_factory_ = factory; }
  35   HTMLFactory* html_factory() { return html_factory_; }
  36
  37  private:
  38   class ServiceConnectorQueue;
  39
  40   ~HTMLDocumentApplicationDelegate() override;
  41
  42   // Callback from the quit closure. We key off this rather than
  43   // ApplicationDelegate::Quit() as we don't want to shut down the messageloop
  44   // when we quit (the messageloop is shared among multiple
  45   // HTMLDocumentApplicationDelegates).
  46   void OnTerminate();
  47
  48   // ApplicationDelegate:
  49   void Initialize(mojo::ApplicationImpl* app) override;
  50   bool ConfigureIncomingConnection(
  51       mojo::ApplicationConnection* connection) override;
  52
  53   void OnHTMLDocumentDeleted2(HTMLDocument* document);
  54   void OnResponseReceived(scoped_ptr<mojo::AppRefCount> app_refcount,
  55                           mojo::URLLoaderPtr loader,
  56                           mojo::ApplicationConnection* connection,
  57                           scoped_ptr<ServiceConnectorQueue> connector_queue,
  58                           mojo::URLResponsePtr response);
  59
  60   // HTMLFactory:
  61   HTMLFrame* CreateHTMLFrame(HTMLFrame::CreateParams* params) override;
  62   HTMLWidgetRootLocal* CreateHTMLWidgetRootLocal(
  63       HTMLWidgetRootLocal::CreateParams* params) override;
  64
  65   mojo::ApplicationImpl app_;
  66   // AppRefCount of the parent (HTMLViewer).
  67   scoped_ptr<mojo::AppRefCount> parent_app_refcount_;
  68   const mojo::String url_;
  69   mojo::URLLoaderFactoryPtr url_loader_factory_;
  70   mojo::URLResponsePtr initial_response_;
  71   GlobalState* global_state_;
  72
  73   // As we create HTMLDocuments they are added here. They are removed when the
  74   // HTMLDocument is deleted.
  75   std::set<HTMLDocument*> documents2_;
  76
  77   HTMLFactory* html_factory_;
  78
  79   base::WeakPtrFactory<HTMLDocumentApplicationDelegate> weak_factory_;
  80
  81   DISALLOW_COPY_AND_ASSIGN(HTMLDocumentApplicationDelegate);
  82 };
  83
  84 }  // namespace html_viewer
  85
  86 #endif  // COMPONENTS_HTML_VIEWER_HTML_DOCUMENT_APPLICATION_DELEGATE_H_