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// Copyright 2014 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
module content.mojom;
import "content/common/document_scoped_interface_bundle.mojom";
import "content/common/frame_messages.mojom";
import "content/common/navigation_client.mojom";
import "content/common/navigation_params.mojom";
import "content/public/common/resource_type.mojom";
import "content/public/common/resource_load_info.mojom";
import "content/public/common/transferrable_url_loader.mojom";
import "content/public/common/window_container_type.mojom";
import "mojo/public/mojom/base/string16.mojom";
import "mojo/public/mojom/base/unguessable_token.mojom";
import "mojo/public/mojom/base/values.mojom";
import "services/network/public/mojom/url_loader.mojom";
import "services/network/public/mojom/url_loader_factory.mojom";
import "services/service_manager/public/mojom/interface_provider.mojom";
import "services/viz/public/interfaces/compositing/surface_id.mojom";
import "third_party/blink/public/mojom/blob/blob_url_store.mojom";
import "third_party/blink/public/mojom/commit_result/commit_result.mojom";
import "third_party/blink/public/mojom/devtools/console_message.mojom";
import "third_party/blink/public/mojom/feature_policy/feature_policy.mojom";
import "third_party/blink/public/mojom/frame/lifecycle.mojom";
import "third_party/blink/public/mojom/frame/navigation_initiator.mojom";
import "third_party/blink/public/mojom/messaging/transferable_message.mojom";
import "third_party/blink/public/mojom/loader/url_loader_factory_bundle.mojom";
import "third_party/blink/public/mojom/messaging/transferable_message.mojom";
import "third_party/blink/public/mojom/portal/portal.mojom";
import "third_party/blink/public/mojom/referrer.mojom";
import "third_party/blink/public/mojom/service_worker/controller_service_worker.mojom";
import "third_party/blink/public/mojom/service_worker/service_worker_provider.mojom";
import "third_party/blink/public/mojom/devtools/devtools_agent.mojom";
import "third_party/blink/public/mojom/portal/portal.mojom";
import "third_party/blink/public/mojom/window_features/window_features.mojom";
import "ui/base/mojo/window_open_disposition.mojom";
import "url/mojom/url.mojom";
import "url/mojom/origin.mojom";
import "ui/gfx/geometry/mojo/geometry.mojom";
// The name of the InterfaceProviderSpec in service manifests used by the
// frame tree to expose frame-specific interfaces between renderer and browser.
const string kNavigation_FrameSpec = "navigation:frame";
// Implemented by the frame provider (e.g. renderer processes).
interface Frame {
GetInterfaceProvider(service_manager.mojom.InterfaceProvider& interfaces);
GetCanonicalUrlForSharing() => (url.mojom.Url? canonical_url);
// Causes all new subresource requests to be blocked (not being started) until
// ResumeBlockedRequests is called.
BlockRequests();
// Resumes blocked requests.
// It is safe to call this without calling BlockRequests.
ResumeBlockedRequests();
// Cancels blocked requests. BlockRequests must have been called before.
CancelBlockedRequests();
// Set the lifecycle state.
SetLifecycleState(blink.mojom.FrameLifecycleState state);
// Samsung Galaxy Note-specific "smart clip" stylus text getter.
// Extracts the data at the given rect.
[EnableIf=is_android]
ExtractSmartClipData(gfx.mojom.Rect rect)
=> (mojo_base.mojom.String16 text, mojo_base.mojom.String16 html,
gfx.mojom.Rect clip_rect);
};
// See src/content/common/navigation_params.h
[Native]
struct CommonNavigationParams;
// See src/content/common/navigation_params.h
[Native]
struct CommitNavigationParams;
// Implemented by the frame provider and currently must be associated with the
// legacy IPC channel.
// KEEP THE COMMIT FUNCTIONS IN SYNC in content/common/navigation_client.mojom.
// These will eventually be removed from FrameNavigationControl.
interface FrameNavigationControl {
// Tells the renderer that a navigation is ready to commit.
//
// The renderer should bind the |url_loader_client_endpoints| to an
// URLLoaderClient implementation to continue loading the document that will
// be the result of the committed navigation.
//
// Note: |url_loader_client_endpoints| will be empty iff the navigation URL
// wasn't handled by the network stack (i.e. about:blank, ...)
//
// When the Network Service is enabled, |subresource_loader_factories| may
// also be provided by the browser as a a means for the renderer to load
// subresources where applicable.
//
// |controller_service_worker_info| may also be provided by the browser if the
// frame that is being navigated is supposed to be controlled by a Service
// Worker.
// |provider_info| may also be provided if the browser has created a
// ServiceWorkerProviderHost for this navigation.
// |prefetch_loader_factory| is populated only when Network Service is
// enabled. The pointer is used to start a prefetch loading via the browser
// process.
//
// For automation driver-initiated navigations over the devtools protocol,
// |devtools_navigation_token_| is used to tag the navigation. This navigation
// token is then sent into the renderer and lands on the DocumentLoader. That
// way subsequent Blink-level frame lifecycle events can be associated with
// the concrete navigation.
// - The value should not be sent back to the browser.
// - The value on DocumentLoader may be generated in the renderer in some
// cases, and thus shouldn't be trusted.
// TODO(crbug.com/783506): Replace devtools navigation token with the generic
// navigation token that can be passed from renderer to the browser.
CommitNavigation(
network.mojom.URLResponseHead head,
CommonNavigationParams common_params,
CommitNavigationParams request_params,
network.mojom.URLLoaderClientEndpoints? url_loader_client_endpoints,
blink.mojom.URLLoaderFactoryBundle? subresource_loader_factories,
array<TransferrableURLLoader>? subresource_overrides,
blink.mojom.ControllerServiceWorkerInfo? controller_service_worker_info,
blink.mojom.ServiceWorkerProviderInfoForWindow? provider_info,
network.mojom.URLLoaderFactory? prefetch_loader_factory,
mojo_base.mojom.UnguessableToken devtools_navigation_token)
=> (blink.mojom.CommitResult commit_result);
// Tells the renderer that a failed navigation is ready to commit.
//
// The result of this commit usually results in displaying an error page.
// Note |error_page_content| may contain the content of the error page
// (i.e. flattened HTML, JS, CSS).
//
// When the Network Service is enabled, |subresource_loader_factories| may
// also be provided by the browser as a means for the renderer to load
// subresources where applicable.
CommitFailedNavigation(
CommonNavigationParams common_params,
CommitNavigationParams request_params,
bool has_stale_copy_in_cache,
int32 error_code,
string? error_page_content,
blink.mojom.URLLoaderFactoryBundle? subresource_loader_factories)
=> (blink.mojom.CommitResult commit_result);
// Tells the renderer that a same-document navigation should be committed.
// The renderer will return a status value indicating whether the commit
// could proceed as expected or not. In particular, it might be necessary to
// restart the navigation if it is no-longer same-document, which can happen
// if the renderer committed another navigation in the meantime.
CommitSameDocumentNavigation(
CommonNavigationParams common_params,
CommitNavigationParams request_params)
=> (blink.mojom.CommitResult commit_result);
// Asks the renderer to handle a renderer-debug URL.
HandleRendererDebugURL(url.mojom.Url url);
// Provides the renderer an updated |subresource_loader_factories|.
//
// This method is intended to fix broken loaders after a Network Service
// crash, and is only used when Network Service is enabled.
//
// The new bundle contains replacement factories for a subset of the
// receiver's existing bundle.
UpdateSubresourceLoaderFactories(
blink.mojom.URLLoaderFactoryBundle subresource_loader_factories);
// Returns a DevToolsAgent interface for this frame, used for
// remote debugging. See DevToolsAgent for details.
// Returned DevToolsAgent must be associated with navigation control,
// due to various ordering dependencies between DevTools protocol and
// navigation.
BindDevToolsAgent(associated blink.mojom.DevToolsAgentHost agent_host,
associated blink.mojom.DevToolsAgent& agent);
// Request for the renderer to execute JavaScript in the frame's context.
//
// |javascript| is the string containing the JavaScript to be executed in the
// target frame's context.
//
// TODO(hajimehoshi): This requires navigate association to keep the message
// order with other navigation-related messages. Fix this and move this to a
// non-navigate-related interface if possible.
JavaScriptExecuteRequest(
mojo_base.mojom.String16 javascript) => (mojo_base.mojom.Value result);
// ONLY FOR TESTS: Same as above but adds a fake UserGestureIndicator around
// execution. (crbug.com/408426)
JavaScriptExecuteRequestForTests(
mojo_base.mojom.String16 javascript,
bool has_user_gesture)
=> (mojo_base.mojom.Value result);
// Same as JavaScriptExecuteRequest above except the script is run in the
// isolated world specified by the fourth parameter.
JavaScriptExecuteRequestInIsolatedWorld(
mojo_base.mojom.String16 javascript,
int32 world_id) => (mojo_base.mojom.Value result);
// Posts a message from a frame in another process to the current renderer.
// |source_routing_id| is the routing ID of the source frame in the source
// process when sent to the browser. The browser replaces it with the routing
// ID of the equivalent frame proxy in the destination process.
// |source_origin| is the origin of the source frame when the message was
// sent, and |target_origin| specifies what the origin of the target frame
// must be for the message to be dispatched. An empty string allows the
// message to be dispatched to any origin.
// |message| is the encoded data, and any extra properties such as
// transferred ports or blobs.
PostMessageEvent(int32 source_routing_id,
mojo_base.mojom.String16 source_origin,
mojo_base.mojom.String16 target_origin,
blink.mojom.TransferableMessage message);
// Forwards a message from a portal's host to the main frame in the portal's
// guest contents.
ForwardMessageFromHost(blink.mojom.TransferableMessage message,
url.mojom.Origin source_origin,
url.mojom.Origin? target_origin);
// Called on the main frame of a page embedded in a Portal when it is
// activated. The frame has the option to adopt the previous page as a portal
// identified by |portal_token| with the interface |portal|. The activation
// can optionally include a message |data| dispatched with the
// PortalActivateEvent. The return value |was_adopted| indicates if the portal
// for the predecessor (identified by |portal_token|) was adopted by the
// current frame.
OnPortalActivated(mojo_base.mojom.UnguessableToken portal_token,
associated blink.mojom.Portal portal,
associated blink.mojom.PortalClient& portal_client,
blink.mojom.TransferableMessage data) => (bool was_adopted);
};
// Implemented by the frame (e.g. renderer processes).
// Instances of this interface must be associated with (i.e., FIFO with) the
// legacy IPC channel.
interface FrameBindingsControl {
// Used to tell a render frame whether it should expose various bindings
// that allow JS content extended privileges. See BindingsPolicy for valid
// flag values.
AllowBindings(int32 enabled_bindings_flags);
};
// Implemented by a service that provides implementations of the Frame
// interface. (e.g. renderer processes).
interface FrameFactory {
CreateFrame(int32 frame_routing_id, Frame& frame);
};
struct CreateNewWindowParams {
// True if this open request came in the context of a user gesture.
//
// TODO(mustaq): We have cases where a user gesture is assumed to be
// there even when it's not the case. See https://crbug.com/843233.
bool mimic_user_gesture;
// Type of window requested.
WindowContainerType window_container_type;
// The session storage namespace ID this window should use.
string session_storage_namespace_id;
// The session storage namespace ID this window should clone from.
// TODO(dmurph): Remove this once session storage is fully mojo'd, as the
// clone call happens on a different interface. https://crbug.com/716490
string clone_from_session_storage_namespace_id;
// The name of the resulting frame that should be created (empty if none
// has been specified). UTF8 encoded string.
string frame_name;
// Whether the opener will be suppressed in the new window, in which case
// scripting the new window is not allowed.
bool opener_suppressed;
// Whether the window should be opened in the foreground, background, etc.
ui.mojom.WindowOpenDisposition disposition;
// The URL that will be loaded in the new window (empty if none has been
// specified).
url.mojom.Url target_url;
// The referrer that will be used to load |target_url| (empty if none has
// been specified).
blink.mojom.Referrer referrer;
// The window features to use for the new window.
blink.mojom.WindowFeatures features;
};
// Operation result when the renderer asks the browser to create a new window.
enum CreateNewWindowStatus {
// Ignore creation of the new window. This can happen because creation is
// blocked or because the new window should have no opener relationship.
kIgnore,
// Reuse the current window rather than creating a new window.
kReuse,
// Create a new window using the corresponding params in |reply|.
kSuccess,
};
// All routing IDs in this struct must be set to a valid routing ID.
struct CreateNewWindowReply {
// The ID of the view to be created.
int32 route_id;
// The ID of the main frame hosted in the view.
int32 main_frame_route_id;
// The ID of the widget for the main frame.
int32 main_frame_widget_route_id;
DocumentScopedInterfaceBundle main_frame_interface_bundle;
// Duplicated from CreateNewWindowParams because legacy code.
string cloned_session_storage_namespace_id;
// Used for devtools instrumentation and trace-ability. The token is
// propagated to Blink's LocalFrame and both Blink and content/
// can tag calls and requests with this instrumentation token in order to
// attribute them to the context frame.
// |devtools_frame_token| is only defined by the browser and is never
// sent back from the renderer in the control calls.
mojo_base.mojom.UnguessableToken devtools_main_frame_token;
};
// An opaque handle that keeps alive the associated render process even after
// the frame is detached. Used by resource requests with "keepalive" specified.
interface KeepAliveHandle {};
// Implemented by the frame server (i.e. the browser process). For messages that
// must be associated with the IPC channel.
interface FrameHost {
// Sent by the renderer to request the browser to create a new window. |reply|
// is only non-null on when status == CreateNewWindowStatus::kSuccess.
[Sync] CreateNewWindow(CreateNewWindowParams params)
=> (CreateNewWindowStatus status, CreateNewWindowReply? reply);
// Sent by the renderer process to request the creation of a new portal.
// |portal| is the pipe to be used for the Portal object, |client| is the pipe
// used to communicate back with the caller. Returns |proxy_routing_id|, which
// is the routing id of the RenderFrameProxy and |portal_token|, which is the
// unique identifier for the portal.
[Sync] CreatePortal(associated blink.mojom.Portal& portal,
associated blink.mojom.PortalClient client)
=> (int32 proxy_routing_id,
mojo_base.mojom.UnguessableToken portal_token,
mojo_base.mojom.UnguessableToken devtools_frame_token);
// Requests that this frame adopts the portal identified by |portal_token|.
// Returns |proxy_routing_id|, which is the routing id of the portal's
// RenderFrameProxy.
[Sync] AdoptPortal(mojo_base.mojom.UnguessableToken portal_token)
=> (int32 proxy_routing_id,
mojo_base.mojom.UnguessableToken devtools_frame_token);
// Creates and returns a KeepAliveHandle.
IssueKeepAliveHandle(KeepAliveHandle& keep_alive_handle);
// Sent by the renderer when a navigation commits in the frame.
// If |interface_params| is non-empty, the FrameHost implementation
// must unbind the old InterfaceProvider and DocumentInterfaceBroker
// connections, and drop any interface requests pending on them.
// Then it should bind the appropriate requests and start servicing
// GetInterface messages coming in on these new connections
// in a security context that is appropriate for the committed navigation.
//
// The FrameHost implementation must enforce that |interface_params|
// is set for cross-document navigations. This prevents origin confusion by
// ensuring that interface requests racing with navigation commit will be
// either ignored, or serviced correctly in the security context of the
// document they originated from (based on which InterfaceProvider connection
// the GetInterface messages arrive on or DocumentInterfaceBroker
// connection the Get<interface> messages arrive on).
DidCommitProvisionalLoad(
DidCommitProvisionalLoadParams params,
DidCommitProvisionalLoadInterfaceParams? interface_params);
// Sent by the renderer to indicate that a same document navigation
// committed in the renderer process.
DidCommitSameDocumentNavigation(
DidCommitProvisionalLoadParams params);
// Sent by the renderer to request a navigation.
// |blob_url_token| should be non-null when this is a navigation to a blob:
// URL. The token will then be used to look up the blob associated with the
// blob URL. Without this by the time the navigation code starts fetching
// the URL the blob URL might no longer be valid. |blob_url_token| is
// not part of BeginNavigationParams because that struct needs to be
// cloneable, and thus can't contain mojo interfaces.
// If an invalid BlobURLToken is passed in, or if the token doesn't match the
// url in |common_params|, the navigation will result in a network error.
// |navigation_client| is passed to the renderer to allow for further control
// of the navigation. Allows for Commit and Cancels/Aborts. It is only valid
// when PerNavigationMojoInterface is enabled.
// TODO(ahemery): |navigation_client| should not be optional. Make it
// mandatory when removing PerNavigationMojoInterface feature flag.
BeginNavigation(
CommonNavigationParams common_params,
BeginNavigationParams begin_params,
blink.mojom.BlobURLToken? blob_url_token,
associated NavigationClient? navigation_client,
blink.mojom.NavigationInitiator? navigation_initiator);
// Sent when a subresource response has started.
// |cert_status| is the bitmask of status info of the SSL certificate. (see
// net/cert/cert_status_flags.h).
SubresourceResponseStarted(url.mojom.Url url, uint32 cert_status);
// Sent when a resource load finished, successfully or not.
ResourceLoadComplete(ResourceLoadInfo url_load_info);
// Sent when the frame changes its window.name.
DidChangeName(string name, string unique_name);
// Sent when the frame starts enforcing an insecure request policy. Sending
// this information in DidCommitProvisionalLoad isn't sufficient; this
// message is needed because, for example, a document can dynamically insert
// a <meta> tag that causes strict mixed content checking to be enforced.
//
// Argument |policy_bitmap| represents blink::WebInsecureRequestPolicy uint8
// bitfield.
EnforceInsecureRequestPolicy(uint8 policy_bitmap);
// Elements of |set| are hashes of hosts to upgrade.
EnforceInsecureNavigationsSet(array<uint32> set);
// Notifies the browser process that HTTP headers which affect the frame
// polices were delivered with the document being loaded into the frame. This
// can be either or both of 'Feature-Policy' or 'Content-Security-Policy' (
// which can set sandbox flags).
//
// |parsed_header| is a list of an origin whitelist for each feature in the
// policy.
DidSetFramePolicyHeaders(
blink.mojom.WebSandboxFlags sandbox_flags,
array<blink.mojom.ParsedFeaturePolicyDeclaration> parsed_header);
// If a cross-process navigation was started for the initial history load in
// this subframe, this tries to cancel it to allow a client redirect to happen
// instead.
CancelInitialHistoryLoad();
// Change the encoding name of the page in UI when the page has detected
// proper encoding name. Sent for top-level frames.
UpdateEncoding(string encoding_name);
// The frame's size is replicated in the browser so that the browser can
// correctly set the initial size of the frame in case of a cross-process
// navigation.
FrameSizeChanged(gfx.mojom.Size size);
// Notifies the browser that the current frame has either become or is no
// longer fullscreen.
FullscreenStateChanged(bool is_fullscreen);
// Notifies the browser that the current frame has changed its visibility
// status.
VisibilityChanged(blink.mojom.FrameVisibility visibility);
// Updates information to determine whether a user gesture should carryover to
// future navigations. This is needed so navigations within a certain
// timeframe of a request initiated by a gesture will be treated as if they
// were initiated by a gesture too, otherwise the navigation may be blocked.
[EnableIf=is_android]
UpdateUserGestureCarryoverInfo();
// Sent after the onload handler has been invoked for the document
// in this frame. Sent for top-level frames.
DocumentOnLoadCompleted();
// Sent by the blink's FrameScheduler when a list of active features
// the scheduler tracks changes.
// See blink::scheduler::SchedulingPolicy::Feature for the meaning
// of the individual bits.
// TODO(altimin): Move into a separate scheduling interface.
UpdateActiveSchedulerTrackedFeatures(uint64 features_mask);
// Blink and JavaScript error messages to log to the console or debugger UI.
DidAddMessageToConsole(
blink.mojom.ConsoleMessageLevel log_level,
mojo_base.mojom.BigString16 msg,
int32 line_number,
mojo_base.mojom.String16 source_id);
};