1 /* -*- Mode: C++; c-basic-offset: 4; indent-tabs-mode: nil; tab-width: 8 -*- */
2 /* vim: set sw=2 ts=8 et tw=80 ft=cpp : */
4 /* This Source Code Form is subject to the terms of the Mozilla Public
5 * License, v. 2.0. If a copy of the MPL was not distributed with this
6 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
8 include protocol PColorPicker;
9 include protocol PContent;
11 include protocol PDocAccessible;
13 include protocol PFilePicker;
14 include protocol PRemotePrintJob;
15 include protocol PPaymentRequest;
16 include protocol PSessionStore;
17 include protocol PWindowGlobal;
18 include protocol PBrowserBridge;
19 include protocol PVsync;
22 include NeckoChannelParams;
23 include WindowGlobalTypes;
26 include IPCTransferable;
28 include PPrintingTypes;
30 include PBackgroundSharedTypes;
32 include "mozilla/AntiTrackingIPCUtils.h";
33 include "mozilla/dom/BindingIPCUtils.h";
34 include "mozilla/dom/CSPMessageUtils.h";
35 include "mozilla/dom/DocShellMessageUtils.h";
36 include "mozilla/dom/FilePickerMessageUtils.h";
37 include "mozilla/dom/PermissionMessageUtils.h";
38 include "mozilla/dom/ReferrerInfoUtils.h";
39 include "mozilla/dom/TabMessageUtils.h";
40 include "mozilla/GfxMessageUtils.h";
41 include "mozilla/LayoutMessageUtils.h";
42 include "mozilla/layers/LayersMessageUtils.h";
43 include "mozilla/ipc/TransportSecurityInfoUtils.h";
44 include "mozilla/ipc/URIUtils.h";
46 using struct nsID from "nsID.h";
47 using mozilla::gfx::Matrix4x4 from "mozilla/gfx/Matrix.h";
48 using mozilla::gfx::SurfaceFormat from "mozilla/gfx/Types.h";
49 using mozilla::LayoutDeviceIntPoint from "Units.h";
50 using mozilla::LayoutDevicePoint from "Units.h";
51 using mozilla::ScreenIntCoord from "Units.h";
52 using mozilla::ScreenIntMargin from "Units.h";
53 using mozilla::ScreenIntPoint from "Units.h";
54 using mozilla::ScreenRect from "Units.h";
55 using struct mozilla::layers::ScrollableLayerGuid from "mozilla/layers/ScrollableLayerGuid.h";
56 using struct mozilla::layers::ZoomConstraints from "mozilla/layers/ZoomConstraints.h";
57 using mozilla::layers::LayersId from "mozilla/layers/LayersTypes.h";
58 using mozilla::layers::GeckoContentController_TapType from "mozilla/layers/GeckoContentControllerTypes.h";
59 using mozilla::layers::ScrollableLayerGuid::ViewID from "mozilla/layers/ScrollableLayerGuid.h";
60 using struct mozilla::void_t from "mozilla/ipc/IPCCore.h";
61 using mozilla::WindowsHandle from "mozilla/ipc/IPCTypes.h";
62 using class mozilla::WidgetCompositionEvent from "ipc/nsGUIEventIPC.h";
63 using struct mozilla::widget::IMENotification from "mozilla/widget/IMEData.h";
64 using struct mozilla::widget::IMENotificationRequests from "mozilla/widget/IMEData.h";
65 using struct mozilla::widget::IMEState from "mozilla/widget/IMEData.h";
66 using struct mozilla::widget::InputContext from "mozilla/widget/IMEData.h";
67 using struct mozilla::widget::InputContextAction from "mozilla/widget/IMEData.h";
68 using mozilla::gfx::IntSize from "mozilla/gfx/Point.h";
69 using mozilla::gfx::IntPoint from "mozilla/gfx/Point.h";
70 using class mozilla::ContentCache from "ipc/nsGUIEventIPC.h";
71 using class mozilla::WidgetKeyboardEvent from "ipc/nsGUIEventIPC.h";
72 using class mozilla::WidgetMouseEvent from "ipc/nsGUIEventIPC.h";
73 using class mozilla::WidgetWheelEvent from "ipc/nsGUIEventIPC.h";
74 using class mozilla::WidgetDragEvent from "ipc/nsGUIEventIPC.h";
75 using struct nsRect from "nsRect.h";
76 using class mozilla::WidgetSelectionEvent from "ipc/nsGUIEventIPC.h";
77 using class mozilla::WidgetTouchEvent from "ipc/nsGUIEventIPC.h";
78 using struct mozilla::dom::RemoteDOMEvent from "mozilla/dom/TabMessageTypes.h";
79 using struct mozilla::layers::TextureFactoryIdentifier from "mozilla/layers/CompositorTypes.h";
80 using mozilla::layers::CompositorOptions from "mozilla/layers/CompositorOptions.h";
81 using mozilla::CSSToScreenScale from "Units.h";
82 using mozilla::CommandInt from "mozilla/EventForwards.h";
83 using nsIWidget::TouchPointerState from "nsIWidget.h";
84 using nsIWidget::TouchpadGesturePhase from "nsIWidget.h";
85 using nsCursor from "nsIWidget.h";
86 using struct LookAndFeelInt from "mozilla/widget/WidgetMessageUtils.h";
87 using struct mozilla::DimensionRequest from "mozilla/widget/WidgetMessageUtils.h";
88 using class mozilla::dom::MessagePort from "mozilla/dom/MessagePort.h";
89 using class mozilla::dom::ipc::StructuredCloneData from "mozilla/dom/ipc/StructuredCloneData.h";
90 using mozilla::dom::MaybeDiscardedWindowContext from "mozilla/dom/WindowContext.h";
91 using mozilla::EventMessage from "mozilla/EventForwards.h";
92 using nsEventStatus from "mozilla/EventForwards.h";
93 using mozilla::Modifiers from "mozilla/EventForwards.h";
94 using struct mozilla::widget::CandidateWindowPosition from "ipc/nsGUIEventIPC.h";
95 using struct mozilla::FontRange from "ipc/nsGUIEventIPC.h";
96 using mozilla::OriginAttributes from "mozilla/ipc/BackgroundUtils.h";
97 using mozilla::dom::EffectsInfo from "mozilla/dom/EffectsInfo.h";
98 using mozilla::dom::TabId from "mozilla/dom/ipc/IdType.h";
99 using mozilla::ScrollAxis from "mozilla/PresShellForwards.h";
100 using mozilla::ScrollFlags from "mozilla/PresShellForwards.h";
101 using struct InputFormData from "mozilla/dom/SessionStoreMessageUtils.h";
102 using struct CollectedInputDataValue from "mozilla/dom/SessionStoreMessageUtils.h";
103 using mozilla::ContentBlockingNotifier::StorageAccessPermissionGrantedReason from "mozilla/ContentBlockingNotifier.h";
104 using mozilla::dom::CallerType from "mozilla/dom/BindingDeclarations.h";
105 using mozilla::dom::EmbedderElementEventType from "mozilla/dom/TabMessageTypes.h";
106 using mozilla::IntrinsicSize from "nsIFrame.h";
107 using mozilla::AspectRatio from "mozilla/AspectRatio.h";
108 using mozilla::NativeKeyBindingsType from "mozilla/NativeKeyBindingsType.h";
109 using mozilla::StyleImageRendering from "mozilla/ServoStyleConsts.h";
110 [MoveOnly] using class mozilla::ipc::BigBuffer from "mozilla/ipc/BigBuffer.h";
111 using nsIFilePicker::Mode from "nsIFilePicker.h";
116 struct WebProgressData
118 MaybeDiscardedBrowsingContext browsingContext;
124 nullable nsIURI requestURI;
125 nullable nsIURI originalRequestURI;
126 nsCString matchedList;
129 struct WebProgressStateChangeData
132 bool mayEnableCharacterEncodingMenu;
134 // The following fields are only set when the aStateFlags param passed with
135 // this struct is |nsIWebProgress.STATE_STOP|.
136 nsString contentType;
138 nullable nsIURI documentURI;
141 struct WebProgressLocationChangeData
144 bool isSyntheticDocument;
145 bool mayEnableCharacterEncodingMenu;
146 nsString contentType;
149 nullable nsIURI documentURI;
150 nullable nsIPrincipal contentPrincipal;
151 nullable nsIPrincipal contentPartitionedPrincipal;
152 nullable nsIContentSecurityPolicy csp;
153 nullable nsIReferrerInfo referrerInfo;
154 uint64_t? requestContextID;
158 * If creating the print preview document or updating it with new print
159 * settings fails, sheetCount will be zero.
161 struct PrintPreviewResultInfo
164 uint32_t totalPageCount;
166 // Whether there's a selection in the previewed page, including its subframes.
168 // Whether there's a selection in the previewed page, excluding its subframes.
169 bool hasSelfSelection;
170 // If present, indicates if the page should be printed landscape when true or
171 // portrait when false;
172 bool? printLandscape;
173 // The at-page specified page width or null when no width is provided.
175 // The at-page specified page height or null when no height is provided.
180 * A PBrowser manages a maximal locally connected subtree of BrowsingContexts
181 * in a content process.
183 * See `dom/docs/Fission-IPC-Diagram.svg` for an overview of the DOM IPC
186 [NestedUpTo=inside_cpow] sync protocol PBrowser
190 manages PColorPicker;
193 manages PDocAccessible;
197 manages PPaymentRequest;
198 manages PSessionStore;
199 manages PWindowGlobal;
200 manages PBrowserBridge;
204 async AsyncMessage(nsString aMessage, ClonedMessageData aData);
209 * Tell the parent process a new accessible document has been created.
210 * aParentDoc is the accessible document it was created in if any, and
211 * aParentAcc is the id of the accessible in that document the new document
214 async PDocAccessible(nullable PDocAccessible aParentDoc, uint64_t aParentAcc,
215 MaybeDiscardedBrowsingContext aBrowsingContext);
218 async PPaymentRequest();
221 * Create a new Vsync connection for our associated root widget
226 * When the child process unsuppresses painting, we send the message for the
227 * parent process to start painting the new document, if it's still painting
230 [Priority=control] async DidUnsuppressPainting();
232 async DidUnsuppressPaintingNormalPriority();
235 * When child sends this message, parent should move focus to
236 * the next or previous focusable element or document.
238 async MoveFocus(bool forward, bool forDocumentNavigation);
241 * Called by the child to inform the parent that links are dropped into
244 * aLinks A flat array of url, name, and type for each link
246 async DropLinks(nsString[] aLinks);
248 sync SyncMessage(nsString aMessage, ClonedMessageData aData)
249 returns (StructuredCloneData[] retval);
252 * Notifies chrome that there is a focus change involving an editable
253 * object (input, textarea, document, contentEditable. etc.)
255 * contentCache Cache of content
256 * notification Whole data of the notification
257 * requests Requests of notification for IME of the native widget
259 [Nested=inside_cpow] async NotifyIMEFocus(ContentCache contentCache,
260 IMENotification notification)
261 returns (IMENotificationRequests requests);
264 * Notifies chrome that there has been a change in text content
265 * One call can encompass both a delete and an insert operation
266 * Only called when NotifyIMEFocus returns PR_TRUE for mWantUpdates
268 * contentCache Cache of content
269 * notification Whole data of the notification
271 [Nested=inside_cpow] async NotifyIMETextChange(ContentCache contentCache,
272 IMENotification notification);
275 * Notifies chrome that there is a IME compostion rect updated
277 * contentCache Cache of content
279 [Nested=inside_cpow] async NotifyIMECompositionUpdate(ContentCache contentCache,
280 IMENotification notification);
283 * Notifies chrome that there has been a change in selection
284 * Only called when NotifyIMEFocus returns PR_TRUE for mWantUpdates
286 * contentCache Cache of content
287 * notification Whole data of the notification
289 [Nested=inside_cpow] async NotifyIMESelection(ContentCache contentCache,
290 IMENotification notification);
293 * Notifies chrome of updating its content cache.
294 * This is useful if content is modified but we don't need to notify IME.
296 * contentCache Cache of content
298 [Nested=inside_cpow] async UpdateContentCache(ContentCache contentCache);
301 * Notifies IME of mouse button event on a character in focused editor.
303 * Returns true if the mouse button event is consumed by IME.
305 [Nested=inside_cpow] sync NotifyIMEMouseButtonEvent(IMENotification notification)
306 returns (bool consumedByIME);
309 * Notifies chrome to position change
311 * contentCache Cache of content
313 [Nested=inside_cpow] async NotifyIMEPositionChange(ContentCache contentCache,
314 IMENotification notification);
317 * Requests chrome to commit or cancel composition of IME.
319 * cancel Set true if composition should be cancelled.
320 * compositionId Set the composition ID to requesting commit
321 * (stored in TextComposition).
323 * isCommitted Returns true if the request causes composition
324 * being committed synchronously.
325 * committedString Returns committed string. The may be non-empty
326 * string even if cancel is true because IME may
327 * try to restore selected string which was
328 * replaced with the composition.
330 [Nested=inside_cpow] sync RequestIMEToCommitComposition(bool cancel,
331 uint32_t aCompositionId)
332 returns (bool isCommitted, nsString committedString);
335 * OnEventNeedingAckHandled() is called after a child process dispatches a
336 * composition event or a selection event which is sent from the parent
339 * message The message value of the handled event.
340 * compositionId The composition ID of handled composition event if
341 * the message is a composition event message. Otherwise,
344 [Nested=inside_cpow] async OnEventNeedingAckHandled(EventMessage message,
345 uint32_t compositionId);
348 * Request that the parent process move focus to the browser's frame. If
349 * canRaise is true, the window can be raised if it is inactive.
351 async RequestFocus(bool canRaise, CallerType aCallerType);
354 * Sends a mouse wheel zoom change to the parent process, to be handled by
355 * the front end as needed.
357 async WheelZoomChange(bool increase);
360 * Indicate, based on the current state, that some commands are enabled and
363 async EnableDisableCommands(MaybeDiscardedBrowsingContext bc,
365 nsCString[] enabledCommands,
366 nsCString[] disabledCommands);
368 [Nested=inside_cpow] sync GetInputContext() returns (IMEState state);
370 [Nested=inside_cpow] async SetInputContext(InputContext context,
371 InputContextAction action);
374 * Set the native cursor.
376 * The widget cursor to set.
377 * @param hasCustomCursor
378 * Whether there's any custom cursor represented by cursorData and
380 * @param customCursorData
381 * Serialized image data.
383 * Width of the image.
385 * Height of the image.
387 * Resolution of the image X axis in dppx units.
389 * Resolution of the image Y axis in dppx units.
391 * Stride used in the image data.
393 * Image format, see gfx::SurfaceFormat for possible values.
395 * Horizontal hotspot of the image, as specified by the css cursor property.
397 * Vertical hotspot of the image, as specified by the css cursor property.
399 * Invalidate any locally cached cursor settings and force an
402 async SetCursor(nsCursor value,
403 bool hasCustomCursor,
404 BigBuffer? customCursorData,
405 uint32_t width, uint32_t height,
406 float resolutionX, float resolutionY,
407 uint32_t stride, SurfaceFormat format,
408 uint32_t hotspotX, uint32_t hotspotY, bool force);
411 * Used to set the current text of the status tooltip.
412 * Nowadays this is only used for link locations on hover.
414 async SetLinkStatus(nsString status);
417 * Show/hide a tooltip when the mouse hovers over an element in the content
420 async ShowTooltip(uint32_t x, uint32_t y, nsString tooltip, nsString direction);
424 * Create an asynchronous color picker on the parent side,
425 * but don't open it yet.
427 async PColorPicker(nsString title, nsString initialColor, nsString[] defaultColors);
429 async PFilePicker(nsString aTitle, Mode aMode);
432 * Tells the containing widget whether the given input block results in a
433 * swipe. Should be called in response to a WidgetWheelEvent that has
434 * mFlags.mCanTriggerSwipe set on it.
436 async RespondStartSwipeEvent(uint64_t aInputBlockId, bool aStartSwipe);
439 * Look up dictionary by selected word for OSX
441 * @param aText The word to look up
442 * @param aFontRange Text decoration of aText
443 * @param aIsVertical true if vertical layout
445 async LookUpDictionary(nsString aText, FontRange[] aFontRangeArray,
446 bool aIsVertical, LayoutDeviceIntPoint aPoint);
451 * Send a reply of keyboard event to the parent. Then, parent can consider
452 * whether the event should kick a shortcut key or ignore.
454 * @param aEvent The event which was sent from the parent and handled
455 * in a remote process.
456 * @param aUUI The UUID which was generated when aEvent was sent to
459 async ReplyKeyEvent(WidgetKeyboardEvent aEvent, nsID aUUID);
462 * Retrieves edit commands for the key combination represented by aEvent.
464 * @param aType One of NativeKeyBindingsType.
465 * @param aEvent KeyboardEvent which represents a key combination.
466 * Note that this must be a trusted event.
467 * @return Array of edit commands which should be executed in
468 * editor of native applications.
470 sync RequestNativeKeyBindings(uint32_t aType, WidgetKeyboardEvent aEvent)
471 returns (CommandInt[] commands);
473 async SynthesizeNativeKeyEvent(int32_t aNativeKeyboardLayout,
474 int32_t aNativeKeyCode,
475 uint32_t aModifierFlags,
476 nsString aCharacters,
477 nsString aUnmodifiedCharacters,
478 uint64_t aObserverId);
479 async SynthesizeNativeMouseEvent(LayoutDeviceIntPoint aPoint,
480 uint32_t aNativeMessage,
482 uint32_t aModifierFlags,
483 uint64_t aObserverId);
484 async SynthesizeNativeMouseMove(LayoutDeviceIntPoint aPoint,
485 uint64_t aObserverId);
486 async SynthesizeNativeMouseScrollEvent(LayoutDeviceIntPoint aPoint,
487 uint32_t aNativeMessage,
491 uint32_t aModifierFlags,
492 uint32_t aAdditionalFlags,
493 uint64_t aObserverId);
494 async SynthesizeNativeTouchPoint(uint32_t aPointerId,
495 TouchPointerState aPointerState,
496 LayoutDeviceIntPoint aPoint,
497 double aPointerPressure,
498 uint32_t aPointerOrientation,
499 uint64_t aObserverId);
500 async SynthesizeNativeTouchPadPinch(TouchpadGesturePhase aEventPhase,
502 LayoutDeviceIntPoint aPoint,
503 int32_t aModifierFlags);
504 async SynthesizeNativeTouchTap(LayoutDeviceIntPoint aPoint,
506 uint64_t aObserverId);
507 async ClearNativeTouchSequence(uint64_t aObserverId);
508 async SynthesizeNativePenInput(uint32_t aPointerId,
509 TouchPointerState aPointerState,
510 LayoutDeviceIntPoint aPoint,
516 uint64_t aObserverId);
517 async SynthesizeNativeTouchpadDoubleTap(LayoutDeviceIntPoint aPoint,
518 uint32_t aModifierFlags);
519 async SynthesizeNativeTouchpadPan(TouchpadGesturePhase aEventPhase,
520 LayoutDeviceIntPoint aPoint,
521 double aDeltaX, double aDeltaY,
522 int32_t aModifierFlags,
523 uint64_t aObserverId);
525 async LockNativePointer();
526 async UnlockNativePointer();
528 async AccessKeyNotHandled(WidgetKeyboardEvent event);
530 async RegisterProtocolHandler(nsString scheme, nullable nsIURI handlerURI, nsString title,
531 nullable nsIURI documentURI);
533 async OnStateChange(WebProgressData aWebProgressData,
534 RequestData aRequestData, uint32_t aStateFlags,
536 WebProgressStateChangeData? aStateChangeData);
538 async OnLocationChange(WebProgressData aWebProgressData,
539 RequestData aRequestData, nullable nsIURI aLocation,
540 uint32_t aFlags, bool aCanGoBack,
542 WebProgressLocationChangeData? aLocationChangeData);
544 // We only track information about total progress in the parent process.
545 // This value is throttled using nsBrowserStatusFilter, and records the full
546 // total progress for nsDocShells managed by this actor.
547 async OnProgressChange(int32_t aCurTotalProgress, int32_t aMaxTotalProgress);
549 // Calls to OnStatusChange are throttled by nsBrowserStatusFilter, meaning
550 // they are only called with a status of `NS_OK`, and with no webProgress or
552 async OnStatusChange(nsString aMessage);
554 async NotifyContentBlockingEvent(uint32_t aEvent, RequestData aRequestData,
555 bool aBlocked, nsCString aTrackingOrigin,
556 nsCString[] aTrackingFullHashes,
557 StorageAccessPermissionGrantedReason? aReason);
559 async NavigationFinished();
561 async IntrinsicSizeOrRatioChanged(IntrinsicSize? aIntrinsicSize,
562 AspectRatio? aIntrinsicRatio);
564 async ImageLoadComplete(nsresult aResult);
567 * Child informs the parent that a pointer lock has requested/released.
569 async RequestPointerLock() returns (nsCString error);
570 async ReleasePointerLock();
573 * Child informs the parent that a pointer capture has requested/released.
575 async RequestPointerCapture(uint32_t aPointerId) returns (bool aSuccess);
576 async ReleasePointerCapture(uint32_t aPointerId);
579 async NativeSynthesisResponse(uint64_t aObserverId, nsCString aResponse);
580 async UpdateSHistory();
581 async CloneDocumentTreeIntoSelf(MaybeDiscardedBrowsingContext aBc, PrintData aPrintData) returns(bool aSuccess);
582 async UpdateRemotePrintSettings(PrintData aPrintData);
585 * Parent informs the child to release all pointer capture.
587 [Priority=input] async ReleaseAllPointerCapture();
592 * Child informs the parent that the content is ready to handle input
593 * events. This is sent when the BrowserChild is created.
595 async RemoteIsReadyToHandleInputEvents();
599 * Parent informs the child of graphical effects that are being applied
600 * to the child browser.
602 async UpdateEffects(EffectsInfo aEffects);
607 * Sent by the child to the parent to inform it that an update to the
608 * dimensions has been requested.
610 * @param aRequest The requested change of inner or outer dimensions.
611 * @param aScale The scale at the time of the request. This is to allow
612 * the parent to recompute the dimensions in case of an
613 * ongoing scale change.
615 async SetDimensions(DimensionRequest aRequest, double aScale);
617 [Nested=inside_sync] sync DispatchWheelEvent(WidgetWheelEvent event);
618 [Nested=inside_sync] sync DispatchMouseEvent(WidgetMouseEvent event);
619 [Nested=inside_sync] sync DispatchKeyboardEvent(WidgetKeyboardEvent event);
620 [Nested=inside_sync] sync DispatchTouchEvent(WidgetTouchEvent event);
622 async InvokeDragSession(IPCTransferableData[] transfers, uint32_t action,
623 BigBuffer? visualData,
624 uint32_t stride, SurfaceFormat format,
625 LayoutDeviceIntRect dragRect,
626 nullable nsIPrincipal principal,
627 nullable nsIContentSecurityPolicy csp,
628 CookieJarSettingsArgs cookieJarSettings,
629 MaybeDiscardedWindowContext sourceWindowContext,
630 MaybeDiscardedWindowContext sourceTopWindowContext);
632 // After a compositor reset, it is necessary to reconnect each layers ID to
633 // the compositor of the widget that will render those layers. Note that
634 // this is sync so we can ensure that messages to the window compositor
635 // arrive before the BrowserChild attempts to use its cross-process compositor
637 sync EnsureLayersConnected() returns (CompositorOptions compositorOptions);
640 * This function is used to notify the parent that it should display a
641 * canvas permission prompt.
643 * @param aOrigin origin string of the document that is requesting access.
645 async ShowCanvasPermissionPrompt(nsCString aOrigin,
646 bool aHideDoorHanger);
648 sync SetSystemFont(nsCString aFontName);
649 sync GetSystemFont() returns (nsCString retval);
652 * Called once this PBrowser's OOP subdoc no longer blocks its
653 * embedding element's and embedding doc's 'load' events.
655 async MaybeFireEmbedderLoadEvents(EmbedderElementEventType aFireEventAtEmbeddingElement);
657 async ScrollRectIntoView(nsRect aRect, ScrollAxis aVertical,
658 ScrollAxis aHorizontal, ScrollFlags aScrollFlags,
659 int32_t aAppUnitsPerDevPixel);
661 async ShowDynamicToolbar();
665 * Notify the remote browser that it has been Show()n on this side. This
666 * message is expected to trigger creation of the remote browser's "widget".
668 async Show(ParentShowInfo parentInfo, OwnerShowInfo childInfo);
671 * Sending an activate message moves focus to the child.
673 async Activate(uint64_t aActionId);
675 async Deactivate(uint64_t aActionId);
677 async ScrollbarPreferenceChanged(ScrollbarPreference pref);
679 async InitRendering(TextureFactoryIdentifier textureFactoryIdentifier,
681 CompositorOptions compositorOptions,
682 bool layersConnected);
684 async CompositorOptionsChanged(CompositorOptions newOptions);
686 async LoadURL(nsDocShellLoadState loadState, ParentShowInfo info);
688 async CreateAboutBlankContentViewer(nullable nsIPrincipal principal,
689 nullable nsIPrincipal partitionedPrincipal);
691 async ResumeLoad(uint64_t pendingSwitchID, ParentShowInfo info);
693 [Compress=all] async UpdateDimensions(DimensionInfo dimensions);
695 async SizeModeChanged(nsSizeMode sizeMode);
697 async ChildToParentMatrix(Matrix4x4? aMatrix,
698 ScreenRect aRemoteDocumentRect);
700 async UpdateRemoteStyle(StyleImageRendering aImageRendering);
702 async DynamicToolbarMaxHeightChanged(ScreenIntCoord height);
704 async DynamicToolbarOffsetChanged(ScreenIntCoord height);
707 * StopIMEStateManagement() is called when the process loses focus and
708 * should stop managing IME state.
710 async StopIMEStateManagement();
713 * When two consecutive mouse move events would be added to the message queue,
714 * they are 'compressed' by dumping the oldest one.
716 [Compress, Priority=input]
717 async RealMouseMoveEvent(WidgetMouseEvent event,
718 ScrollableLayerGuid aGuid,
719 uint64_t aInputBlockId);
721 async NormalPriorityRealMouseMoveEvent(WidgetMouseEvent event,
722 ScrollableLayerGuid aGuid,
723 uint64_t aInputBlockId);
726 * But don't compress mousemove events for tests since every event is
727 * important for the test since synthesizing various input events may
728 * be faster than what the user operates same things. If you need to
729 * test the `Compress`, send mouse move events with setting `isSyntehsized`
730 * of `aEvent` of `EventUtils#syntehsizeMouse*()`.
733 async RealMouseMoveEventForTests(WidgetMouseEvent event,
734 ScrollableLayerGuid aGuid,
735 uint64_t aInputBlockId);
736 async NormalPriorityRealMouseMoveEventForTests(WidgetMouseEvent event,
737 ScrollableLayerGuid aGuid,
738 uint64_t aInputBlockId);
741 * Mouse move events with |reason == eSynthesized| are sent via a separate
742 * message because they do not generate DOM 'mousemove' events, and the
743 * 'Compress' attribute on RealMouseMoveEvent() could result in a
744 * |reason == eReal| event being dropped in favour of an |eSynthesized|
745 * event, and thus a DOM 'mousemove' event to be lost.
748 async SynthMouseMoveEvent(WidgetMouseEvent event,
749 ScrollableLayerGuid aGuid,
750 uint64_t aInputBlockId);
751 async NormalPrioritySynthMouseMoveEvent(WidgetMouseEvent event,
752 ScrollableLayerGuid aGuid,
753 uint64_t aInputBlockId);
756 async RealMouseButtonEvent(WidgetMouseEvent event,
757 ScrollableLayerGuid aGuid,
758 uint64_t aInputBlockId);
759 async NormalPriorityRealMouseButtonEvent(WidgetMouseEvent event,
760 ScrollableLayerGuid aGuid,
761 uint64_t aInputBlockId);
764 async RealMouseEnterExitWidgetEvent(WidgetMouseEvent event,
765 ScrollableLayerGuid aGuid,
766 uint64_t aInputBlockId);
767 async NormalPriorityRealMouseEnterExitWidgetEvent(WidgetMouseEvent event,
768 ScrollableLayerGuid aGuid,
769 uint64_t aInputBlockId);
772 * Send a keyboard event which reporesents a user input to a remote process.
774 * @param aEvent The event which user typed a key.
775 * @param aUUID A UUID which is generated in the parent at sending it.
776 * This must be specified when the child sends a reply
777 * event to the parent.
780 async RealKeyEvent(WidgetKeyboardEvent aEvent, nsID aUUID);
781 async NormalPriorityRealKeyEvent(WidgetKeyboardEvent aEvent, nsID aUUID);
784 async MouseWheelEvent(WidgetWheelEvent event,
785 ScrollableLayerGuid aGuid,
786 uint64_t aInputBlockId);
787 async NormalPriorityMouseWheelEvent(WidgetWheelEvent event,
788 ScrollableLayerGuid aGuid,
789 uint64_t aInputBlockId);
792 async RealTouchEvent(WidgetTouchEvent aEvent,
793 ScrollableLayerGuid aGuid,
794 uint64_t aInputBlockId,
795 nsEventStatus aApzResponse);
796 async NormalPriorityRealTouchEvent(WidgetTouchEvent aEvent,
797 ScrollableLayerGuid aGuid,
798 uint64_t aInputBlockId,
799 nsEventStatus aApzResponse);
802 async HandleTap(GeckoContentController_TapType aType, LayoutDevicePoint point,
803 Modifiers aModifiers, ScrollableLayerGuid aGuid,
804 uint64_t aInputBlockId);
805 async NormalPriorityHandleTap(GeckoContentController_TapType aType, LayoutDevicePoint point,
806 Modifiers aModifiers, ScrollableLayerGuid aGuid,
807 uint64_t aInputBlockId);
809 [Compress, Priority=input]
810 async RealTouchMoveEvent(WidgetTouchEvent aEvent,
811 ScrollableLayerGuid aGuid,
812 uint64_t aInputBlockId,
813 nsEventStatus aApzResponse);
815 async NormalPriorityRealTouchMoveEvent(WidgetTouchEvent aEvent,
816 ScrollableLayerGuid aGuid,
817 uint64_t aInputBlockId,
818 nsEventStatus aApzResponse);
819 [Compress, Priority=input]
820 async RealTouchMoveEvent2(WidgetTouchEvent aEvent,
821 ScrollableLayerGuid aGuid,
822 uint64_t aInputBlockId,
823 nsEventStatus aApzResponse);
825 async NormalPriorityRealTouchMoveEvent2(WidgetTouchEvent aEvent,
826 ScrollableLayerGuid aGuid,
827 uint64_t aInputBlockId,
828 nsEventStatus aApzResponse);
831 * We disable the input event queue when there is an active dnd session. We
832 * don't need support RealDragEvent with input priority.
834 async RealDragEvent(WidgetDragEvent aEvent, uint32_t aDragAction,
835 uint32_t aDropEffect, nullable nsIPrincipal aPrincipal,
836 nullable nsIContentSecurityPolicy csp);
838 [Priority=input] async CompositionEvent(WidgetCompositionEvent event);
839 async NormalPriorityCompositionEvent(WidgetCompositionEvent event);
841 [Priority=input] async SelectionEvent(WidgetSelectionEvent event);
842 async NormalPrioritySelectionEvent(WidgetSelectionEvent event);
845 * Dispatch eContentCommandInsertText event in the remote process.
847 [Priority=input] async InsertText(nsString aStringToInsert);
848 async NormalPriorityInsertText(nsString aStringToInsert);
851 * Call PasteTransferable via a controller on the content process
852 * to handle the command content event, "pasteTransferable".
854 // XXX Do we really need data other than IPCTransferableData? See bug 1833172.
855 async PasteTransferable(IPCTransferableData aTransferableData,
857 nullable nsIPrincipal aRequestingPrincipal,
858 nsContentPolicyType aContentPolicyType);
860 async LoadRemoteScript(nsString aURL, bool aRunInGlobalScope);
863 * Sent by the chrome process when it no longer wants this remote
864 * <browser>. The child side cleans up in response, then
865 * finalizing its death by sending back __delete__() to the
871 * If aEnabled is true, tells the child to paint and upload layers to
872 * the compositor. If aEnabled is false, the child stops painting and
873 * clears the layers from the compositor.
876 * True if the child should render and upload layers, false if the
877 * child should clear layers.
879 async RenderLayers(bool aEnabled);
882 * Communicates the child that we want layers to be preserved even when the
883 * browser is inactive.
885 async PreserveLayers(bool aPreserve);
888 * Notify the child that it shouldn't paint the offscreen displayport.
889 * This is useful to speed up interactive operations over async
890 * scrolling performance like resize, tabswitch, pageload.
892 * Each enable call must be matched with a disable call. The child
893 * will remain in the suppress mode as long as there's
894 * a single unmatched call.
896 async SuppressDisplayport(bool aEnabled);
899 * Navigate by key (Tab/Shift+Tab/F6/Shift+f6).
901 async NavigateByKey(bool aForward, bool aForDocumentNavigation);
904 * Tell the child that the UI resolution changed for the containing
906 * To avoid some sync messages from child to parent, we also send the dpi
907 * and default scale with the notification.
908 * If we don't know the dpi and default scale, we just pass in a negative
909 * value (-1) but in the majority of the cases this saves us from two
910 * sync requests from the child to the parent.
912 async UIResolutionChanged(float dpi, int32_t rounding, double scale);
915 * Tell the child that the safe area of widget has changed.
918 async SafeAreaInsetsChanged(ScreenIntMargin aSafeAreaInsets);
921 * Tell the browser that its frame loader has been swapped
924 async SwappedWithOtherRemoteLoader(IPCTabContext context);
927 * A potential accesskey was just pressed. Look for accesskey targets
928 * using the list of provided charCodes.
930 * @param event keyboard event
931 * @param isTrusted true if triggered by a trusted key event
933 async HandleAccessKey(WidgetKeyboardEvent event,
934 uint32_t[] charCodes);
937 * Tell the child to create a print preview document in this browser, or
938 * to update the existing print preview document with new print settings.
940 * @param aPrintData The serialized print settings to use to layout the
941 * print preview document.
942 * @param aSourceBrowsingContext Optionally, the browsing context that
943 * contains the document from which the print preview is to be generated.
944 * This should only be passed on the first call. It should not be passed
945 * for any subsequent calls that are made to update the existing print
946 * preview document with a new print settings object.
948 async PrintPreview(PrintData aPrintData,
949 MaybeDiscardedBrowsingContext aSourceBrowsingContext) returns (PrintPreviewResultInfo aInfo);
952 * Inform the print preview document that we're done with it.
954 async ExitPrintPreview();
957 * Tell the child to print the current page with the given settings.
959 * @param aBrowsingContext the browsing context to print.
960 * @param aPrintData the serialized settings to print with
962 async Print(MaybeDiscardedBrowsingContext aBC, PrintData aPrintData);
965 * Update the child with the tab's current top-level native window handle.
966 * This is used by a11y objects who must expose their native window.
968 * @param aNewHandle The native window handle of the tab's top-level window.
970 async UpdateNativeWindowHandle(uintptr_t aNewHandle);
973 * Tell the BrowserChild to allow scripts in the docshell to close the window.
975 async AllowScriptsToClose();
977 async WillChangeProcess();
981 * Fetches whether this window supports protected media, which is sent back in response.
983 async IsWindowSupportingProtectedMedia(uint64_t aOuterWindowID) returns(bool isSupported);
986 * Fetches whether this window supports WebVR, which is sent back in response.
988 async IsWindowSupportingWebVR(uint64_t aOuterWindowID) returns(bool isSupported);
990 /** Records a history visit. */
991 async VisitURI(nullable nsIURI aURI, nullable nsIURI aLastVisitedURI, uint32_t aFlags, uint64_t aBrowserId);
993 /** Fetches the visited status for an array of URIs (Android-only). */
994 async QueryVisitedState(nullable nsIURI[] aURIs);
996 /** Create a session store for a browser child. */
997 async PSessionStore();
1000 * Construct a new WindowGlobal for an existing global in the content process
1002 async NewWindowGlobal(ManagedEndpoint<PWindowGlobalParent> aEndpoint,
1003 WindowGlobalInit aInit);
1006 * FIXME: write protocol!
1009 send LoadURL goto LIVE;
1011 send Destroy goto DYING;