fuchsia_web/shell/cast_streaming_shell.cml

   1 // Copyright 2022 The Chromium Authors
   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: [
   6     // CML shards intended for tests are used here because this component is
   7     // launched as a test. While it doesn't fit the typical use-case for a test
   8     // component, it's a useful way to be able to launch the component from a
   9     // host tool and have it run somewhere it can get the capabilities it needs
  10     // to function correctly.
  11     // TODO(crbug.com/1410937): Run as a non-test component.
  12     "//build/config/fuchsia/test/chromium_system_test_facet.shard.test-cml",
  13     "//build/config/fuchsia/test/elf_test_runner.shard.test-cml",
  14     "sys/component/realm_builder_absolute.shard.cml",
  15
  16     "syslog/client.shard.cml",
  17   ],
  18   program: {
  19     binary: "cast_streaming_shell_exe",
  20   },
  21   offer: [
  22     {
  23       // Required capabilities for WebInstanceHost in a child Component.
  24       protocol: [
  25         "fuchsia.feedback.ComponentDataRegister",
  26         "fuchsia.feedback.CrashReportingProductRegister",
  27       ],
  28       from: "parent",
  29       to: "#realm_builder",
  30     },
  31
  32     // Offered for use by the relaunched
  33     // `fuchsia_web/shell/web_engine_shell_for_web_instance_host.cml`
  34     // TODO(crbug.com/1410937): Remove when running as a non-test component and
  35     // thus the relaunch is no longer needed.
  36     {
  37       protocol: [
  38         // Required to display the View in Scene Manager unless running in
  39         // `--headless` mode.
  40         "fuchsia.element.GraphicalPresenter",
  41       ],
  42       from: "parent",
  43       to: "#realm_builder",
  44       availability: "optional",
  45     },
  46
  47     // The remaining are offered from the parent to `web_instance.cm` via
  48     // `RealmBuilder` when not in `--use-context-provider` mode.
  49
  50     {
  51       // The chromium test realm offers the system-wide config-data dir to test
  52       // components. Route the web_engine sub-directory of this as required by
  53       // WebInstanceHost.
  54       directory: "config-data",
  55       from: "parent",
  56       as: "config-data-for-web-instance",
  57       to: "#realm_builder",
  58       subdir: "web_engine",
  59       availability: "optional",
  60     },
  61     {
  62       // Required by `fuchsia.web/ContextFeatureFlags.NETWORK`.
  63       directory: "root-ssl-certificates",
  64       from: "parent",
  65       to: "#realm_builder",
  66     },
  67     {
  68       // Required capabilities for all WebInstance configurations.
  69       protocol: [
  70         "fuchsia.buildinfo.Provider",
  71         "fuchsia.device.NameProvider",
  72         "fuchsia.fonts.Provider",
  73         "fuchsia.hwinfo.Product",
  74         "fuchsia.intl.PropertyProvider",
  75         // "fuchsia.logger/LogSink", is included by the shard above.
  76         "fuchsia.memorypressure.Provider",
  77         "fuchsia.process.Launcher",
  78         "fuchsia.sysmem.Allocator",
  79       ],
  80       from: "parent",
  81       to: "#realm_builder",
  82     },
  83     {
  84       protocol: [
  85         // Allows CPU scheduling profiles to be applied to threads to
  86         // tune their performance, especially for media rendering.
  87         // TODO(crbug.com/1224707): Migrate to `fuchsia.scheduler`.
  88         "fuchsia.media.ProfileProvider",
  89
  90         // Optionally used by the tracing service.
  91         // TODO(crbug.com/1364196): Offer only when enabled.
  92         "fuchsia.tracing.perfetto.ProducerConnector",
  93       ],
  94       from: "parent",
  95       to: "#realm_builder",
  96       availability: "optional",
  97     },
  98     {
  99       protocol: [
 100         // Required by `fuchsia.web/ContextFeatureFlags.NETWORK`.
 101         "fuchsia.net.interfaces.State",
 102         "fuchsia.net.name.Lookup",
 103         "fuchsia.posix.socket.Provider",
 104
 105         // Required by `fuchsia.web/ContextFeatureFlags.AUDIO`.
 106         "fuchsia.media.Audio",
 107         "fuchsia.media.AudioDeviceEnumerator",
 108         "fuchsia.media.SessionAudioConsumerFactory",
 109
 110         // Required by `fuchsia.web/ContextFeatureFlags.VULKAN`.
 111         // "fuchsia.tracing.provider.Registry" is optionally used by the
 112         // tracing service.
 113         "fuchsia.tracing.provider.Registry",
 114         "fuchsia.vulkan.loader.Loader",
 115
 116         // Required by `fuchsia.web/ContextFeatureFlags.HARDWARE_VIDEO_DECODER`.
 117         "fuchsia.mediacodec.CodecFactory",
 118       ],
 119       from: "parent",
 120       to: "#realm_builder",
 121     },
 122     {
 123       protocol: [
 124         // Required by the absence of
 125         // `fuchsia.web/ContextFeatureFlags.HEADLESS`.
 126         "fuchsia.accessibility.semantics.SemanticsManager",
 127         "fuchsia.ui.composition.Allocator",
 128         "fuchsia.ui.composition.Flatland",
 129       ],
 130       from: "parent",
 131       to: "#realm_builder",
 132     },
 133     {
 134       protocol: [
 135         // Required by the absence of
 136         // `fuchsia.web/ContextFeatureFlags.DISABLE_DYNAMIC_CODE_GENERATION`.
 137         "fuchsia.kernel.VmexResource",
 138       ],
 139       from: "parent",
 140       to: "#realm_builder",
 141     },
 142   ],
 143   facets: {
 144     // TODO(crbug.com/1410937): Remove when converting to a non-test component.
 145     "fuchsia.test": {
 146       "deprecated-allowed-packages": [ "web_engine" ],
 147     },
 148   },
 149 }