components/web_view/frame_connection.cc

   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 #include "components/web_view/frame_connection.h"
   6
   7 #include "base/bind.h"
   8 #include "base/callback.h"
   9 #include "components/clipboard/public/interfaces/clipboard.mojom.h"
  10 #include "components/resource_provider/public/interfaces/resource_provider.mojom.h"
  11 #include "components/view_manager/public/interfaces/gpu.mojom.h"
  12 #include "components/view_manager/public/interfaces/view_tree_host.mojom.h"
  13 #include "components/web_view/frame_tree.h"
  14 #include "mojo/application/public/cpp/application_connection.h"
  15 #include "mojo/application/public/cpp/application_impl.h"
  16 #include "mojo/services/network/public/interfaces/cookie_store.mojom.h"
  17 #include "mojo/services/network/public/interfaces/url_loader_factory.mojom.h"
  18 #include "mojo/services/network/public/interfaces/web_socket_factory.mojom.h"
  19 #include "mojo/services/tracing/public/interfaces/tracing.mojom.h"
  20
  21 #if defined(OS_LINUX) && !defined(OS_ANDROID)
  22 #include "components/font_service/public/interfaces/font_service.mojom.h"
  23 #endif
  24
  25 namespace web_view {
  26 namespace {
  27
  28 // Callback from when the content handler id is obtained.
  29 void OnGotContentHandlerForFrame(
  30     const uint32_t existing_content_handler_id,
  31     const FrameTreeDelegate::CanNavigateFrameCallback& callback,
  32     scoped_ptr<FrameConnection> connection) {
  33   mojo::ViewTreeClientPtr view_tree_client;
  34   if (existing_content_handler_id != connection->GetContentHandlerID() ||
  35       FrameTree::AlwaysCreateNewFrameTree()) {
  36     view_tree_client = connection->GetViewTreeClient();
  37   }
  38   FrameConnection* connection_ptr = connection.get();
  39   callback.Run(connection_ptr->GetContentHandlerID(),
  40                connection_ptr->frame_tree_client(), connection.Pass(),
  41                view_tree_client.Pass());
  42 }
  43
  44 }  // namespace
  45
  46 FrameConnection::FrameConnection() : application_connection_(nullptr) {
  47 }
  48
  49 FrameConnection::~FrameConnection() {
  50 }
  51
  52 // static
  53 void FrameConnection::CreateConnectionForCanNavigateFrame(
  54     mojo::ApplicationImpl* app,
  55     Frame* frame,
  56     mojo::URLRequestPtr request,
  57     const FrameTreeDelegate::CanNavigateFrameCallback& callback) {
  58   scoped_ptr<FrameConnection> frame_connection(new FrameConnection);
  59   FrameConnection* connection = frame_connection.get();
  60   connection->Init(app, request.Pass(),
  61                    base::Bind(&OnGotContentHandlerForFrame, frame->app_id(),
  62                               callback, base::Passed(&frame_connection)));
  63 }
  64
  65 void FrameConnection::Init(mojo::ApplicationImpl* app,
  66                            mojo::URLRequestPtr request,
  67                            const base::Closure& on_got_id_callback) {
  68   DCHECK(!application_connection_);
  69
  70   mojo::CapabilityFilterPtr filter(mojo::CapabilityFilter::New());
  71   mojo::Array<mojo::String> resource_provider_interfaces;
  72   resource_provider_interfaces.push_back(
  73       resource_provider::ResourceProvider::Name_);
  74   filter->filter.insert("mojo:resource_provider",
  75                         resource_provider_interfaces.Pass());
  76
  77   mojo::Array<mojo::String> network_service_interfaces;
  78   network_service_interfaces.push_back(mojo::CookieStore::Name_);
  79   network_service_interfaces.push_back(mojo::URLLoaderFactory::Name_);
  80   network_service_interfaces.push_back(mojo::WebSocketFactory::Name_);
  81   filter->filter.insert("mojo:network_service",
  82                         network_service_interfaces.Pass());
  83
  84   mojo::Array<mojo::String> clipboard_interfaces;
  85   clipboard_interfaces.push_back(mojo::Clipboard::Name_);
  86   filter->filter.insert("mojo:clipboard", clipboard_interfaces.Pass());
  87
  88   mojo::Array<mojo::String> tracing_interfaces;
  89   tracing_interfaces.push_back(tracing::StartupPerformanceDataCollector::Name_);
  90   filter->filter.insert("mojo:tracing", tracing_interfaces.Pass());
  91
  92   mojo::Array<mojo::String> view_manager_interfaces;
  93   view_manager_interfaces.push_back(mojo::Gpu::Name_);
  94   view_manager_interfaces.push_back(mojo::ViewTreeHostFactory::Name_);
  95   filter->filter.insert("mojo:view_manager", view_manager_interfaces.Pass());
  96
  97 #if defined(OS_LINUX) && !defined(OS_ANDROID)
  98   mojo::Array<mojo::String> font_service_interfaces;
  99   font_service_interfaces.push_back(font_service::FontService::Name_);
 100   filter->filter.insert("mojo:font_service", font_service_interfaces.Pass());
 101 #endif
 102
 103   application_connection_ = app->ConnectToApplicationWithCapabilityFilter(
 104       request.Pass(), filter.Pass());
 105   application_connection_->ConnectToService(&frame_tree_client_);
 106   frame_tree_client_.set_connection_error_handler([]() {
 107     // TODO(sky): implement this.
 108     NOTIMPLEMENTED();
 109   });
 110
 111   application_connection_->AddContentHandlerIDCallback(on_got_id_callback);
 112 }
 113
 114 mojo::ViewTreeClientPtr FrameConnection::GetViewTreeClient() {
 115   DCHECK(application_connection_);
 116   mojo::ViewTreeClientPtr view_tree_client;
 117   application_connection_->ConnectToService(&view_tree_client);
 118   return view_tree_client.Pass();
 119 }
 120
 121 uint32_t FrameConnection::GetContentHandlerID() const {
 122   uint32_t content_handler_id = mojo::Shell::kInvalidContentHandlerID;
 123   if (!application_connection_->GetContentHandlerID(&content_handler_id))
 124     NOTREACHED();
 125   return content_handler_id;
 126 }
 127
 128 }  // namespace web_view