gecko-dev/dom/ipc/PBrowser.ipdl

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/* -*- Mode: C++; c-basic-offset: 4; indent-tabs-mode: nil; tab-width: 8 -*- */
/* vim: set sw=2 ts=8 et tw=80 ft=cpp : */
/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
include protocol PColorPicker;
include protocol PContent;
#ifdef ACCESSIBILITY
include protocol PDocAccessible;
#endif
include protocol PFilePicker;
include protocol PRemotePrintJob;
include protocol PPaymentRequest;
include protocol PSessionStore;
include protocol PWindowGlobal;
include protocol PBrowserBridge;
include protocol PVsync;
include DOMTypes;
include NeckoChannelParams;
include WindowGlobalTypes;
include IPCBlob;
include IPCStream;
include URIParams;
include PPrintingTypes;
include PTabContext;
include PBackgroundSharedTypes;
include "mozilla/AntiTrackingIPCUtils.h";
include "mozilla/dom/BindingIPCUtils.h";
include "mozilla/dom/CSPMessageUtils.h";
include "mozilla/dom/DocShellMessageUtils.h";
include "mozilla/dom/PermissionMessageUtils.h";
include "mozilla/dom/ReferrerInfoUtils.h";
include "mozilla/dom/TabMessageUtils.h";
include "mozilla/GfxMessageUtils.h";
include "mozilla/LayoutMessageUtils.h";
include "mozilla/layers/LayersMessageUtils.h";
include "mozilla/ipc/TransportSecurityInfoUtils.h";
include "mozilla/ipc/URIUtils.h";
using struct nsID from "nsID.h";
using mozilla::gfx::Matrix4x4 from "mozilla/gfx/Matrix.h";
using mozilla::gfx::SurfaceFormat from "mozilla/gfx/Types.h";
using mozilla::LayoutDeviceIntPoint from "Units.h";
using mozilla::LayoutDevicePoint from "Units.h";
using mozilla::ScreenIntCoord from "Units.h";
using mozilla::ScreenIntMargin from "Units.h";
using mozilla::ScreenIntPoint from "Units.h";
using mozilla::ScreenRect from "Units.h";
using struct mozilla::layers::ScrollableLayerGuid from "mozilla/layers/ScrollableLayerGuid.h";
using struct mozilla::layers::ZoomConstraints from "mozilla/layers/ZoomConstraints.h";
using mozilla::layers::LayersId from "mozilla/layers/LayersTypes.h";
using mozilla::layers::LayersObserverEpoch from "mozilla/layers/LayersTypes.h";
using mozilla::layers::GeckoContentController_TapType from "mozilla/layers/GeckoContentControllerTypes.h";
using mozilla::layers::ScrollableLayerGuid::ViewID from "mozilla/layers/ScrollableLayerGuid.h";
using struct mozilla::void_t from "mozilla/ipc/IPCCore.h";
using mozilla::WindowsHandle from "mozilla/ipc/IPCTypes.h";
using class mozilla::WidgetCompositionEvent from "ipc/nsGUIEventIPC.h";
using struct mozilla::widget::IMENotification from "mozilla/widget/IMEData.h";
using struct mozilla::widget::IMENotificationRequests from "mozilla/widget/IMEData.h";
using struct mozilla::widget::IMEState from "mozilla/widget/IMEData.h";
using struct mozilla::widget::InputContext from "mozilla/widget/IMEData.h";
using struct mozilla::widget::InputContextAction from "mozilla/widget/IMEData.h";
using mozilla::gfx::IntSize from "mozilla/gfx/Point.h";
using mozilla::gfx::IntPoint from "mozilla/gfx/Point.h";
using class mozilla::ContentCache from "ipc/nsGUIEventIPC.h";
using class mozilla::WidgetKeyboardEvent from "ipc/nsGUIEventIPC.h";
using class mozilla::WidgetMouseEvent from "ipc/nsGUIEventIPC.h";
using class mozilla::WidgetWheelEvent from "ipc/nsGUIEventIPC.h";
using class mozilla::WidgetDragEvent from "ipc/nsGUIEventIPC.h";
using struct nsRect from "nsRect.h";
using class mozilla::WidgetSelectionEvent from "ipc/nsGUIEventIPC.h";
using class mozilla::WidgetTouchEvent from "ipc/nsGUIEventIPC.h";
using struct mozilla::dom::RemoteDOMEvent from "mozilla/dom/TabMessageTypes.h";
using struct mozilla::layers::TextureFactoryIdentifier from "mozilla/layers/CompositorTypes.h";
using mozilla::layers::CompositorOptions from "mozilla/layers/CompositorOptions.h";
using mozilla::CSSToScreenScale from "Units.h";
using mozilla::CommandInt from "mozilla/EventForwards.h";
using nsIWidget::TouchPointerState from "nsIWidget.h";
using nsIWidget::TouchpadGesturePhase from "nsIWidget.h";
using nsCursor from "nsIWidget.h";
using struct LookAndFeelInt from "mozilla/widget/WidgetMessageUtils.h";
using struct mozilla::DimensionRequest from "mozilla/widget/WidgetMessageUtils.h";
using class mozilla::dom::MessagePort from "mozilla/dom/MessagePort.h";
using class mozilla::dom::ipc::StructuredCloneData from "mozilla/dom/ipc/StructuredCloneData.h";
using mozilla::dom::MaybeDiscardedWindowContext from "mozilla/dom/WindowContext.h";
using mozilla::EventMessage from "mozilla/EventForwards.h";
using nsEventStatus from "mozilla/EventForwards.h";
using mozilla::Modifiers from "mozilla/EventForwards.h";
using struct mozilla::widget::CandidateWindowPosition from "ipc/nsGUIEventIPC.h";
using struct mozilla::FontRange from "ipc/nsGUIEventIPC.h";
using mozilla::a11y::IAccessibleHolder from "mozilla/a11y/IPCTypes.h";
using mozilla::OriginAttributes from "mozilla/ipc/BackgroundUtils.h";
using mozilla::dom::EffectsInfo from "mozilla/dom/EffectsInfo.h";
using mozilla::dom::TabId from "mozilla/dom/ipc/IdType.h";
using mozilla::ScrollAxis from "mozilla/PresShellForwards.h";
using mozilla::ScrollFlags from "mozilla/PresShellForwards.h";
using struct InputFormData from "mozilla/dom/SessionStoreMessageUtils.h";
using struct CollectedInputDataValue from "mozilla/dom/SessionStoreMessageUtils.h";
using mozilla::ContentBlockingNotifier::StorageAccessPermissionGrantedReason from "mozilla/ContentBlockingNotifier.h";
using mozilla::dom::CallerType from "mozilla/dom/BindingDeclarations.h";
using mozilla::dom::EmbedderElementEventType from "mozilla/dom/TabMessageTypes.h";
using mozilla::IntrinsicSize from "nsIFrame.h";
using mozilla::AspectRatio from "mozilla/AspectRatio.h";
using mozilla::NativeKeyBindingsType from "mozilla/NativeKeyBindingsType.h";
using mozilla::StyleImageRendering from "mozilla/ServoStyleConsts.h";
[MoveOnly] using class mozilla::ipc::BigBuffer from "mozilla/ipc/BigBuffer.h";
namespace mozilla {
namespace dom {
struct WebProgressData
{
MaybeDiscardedBrowsingContext browsingContext;
uint32_t loadType;
};
struct RequestData
{
nsIURI requestURI;
nsIURI originalRequestURI;
nsCString matchedList;
};
struct WebProgressStateChangeData
{
bool isNavigating;
bool mayEnableCharacterEncodingMenu;
// The following fields are only set when the aStateFlags param passed with
// this struct is |nsIWebProgress.STATE_STOP|.
nsString contentType;
nsString charset;
nsIURI documentURI;
};
struct WebProgressLocationChangeData
{
bool isNavigating;
bool isSyntheticDocument;
bool mayEnableCharacterEncodingMenu;
nsString contentType;
nsString title;
nsString charset;
nsIURI documentURI;
nsIPrincipal contentPrincipal;
nsIPrincipal contentPartitionedPrincipal;
nsIContentSecurityPolicy csp;
nsIReferrerInfo referrerInfo;
uint64_t? requestContextID;
};
/**
* If creating the print preview document or updating it with new print
* settings fails, sheetCount will be zero.
*/
struct PrintPreviewResultInfo
{
uint32_t sheetCount;
uint32_t totalPageCount;
bool isEmpty;
// Whether there's a selection in the previewed page, including its subframes.
bool hasSelection;
// Whether there's a selection in the previewed page, excluding its subframes.
bool hasSelfSelection;
// If present, indicates if the page should be printed landscape when true or
// portrait when false;
bool? printLandscape;
};
/**
* A PBrowser manages a maximal locally connected subtree of BrowsingContexts
* in a content process.
*
* See `dom/docs/Fission-IPC-Diagram.svg` for an overview of the DOM IPC
* actors.
*/
[NestedUpTo=inside_cpow] sync protocol PBrowser
{
manager PContent;
manages PColorPicker;
#ifdef ACCESSIBILITY
manages PDocAccessible;
#endif
manages PFilePicker;
manages PPaymentRequest;
manages PSessionStore;
manages PWindowGlobal;
manages PBrowserBridge;
manages PVsync;
both:
async AsyncMessage(nsString aMessage, ClonedMessageData aData);
parent:
#ifdef ACCESSIBILITY
/**
* Tell the parent process a new accessible document has been created.
* aParentDoc is the accessible document it was created in if any, and
* aParentAcc is the id of the accessible in that document the new document
* is a child of. aMsaaID is the MSAA id for this content process, and
* is only valid on Windows. Set to 0 on other platforms. aDocCOMProxy
* is also Windows-specific and should be set to 0 on other platforms.
*/
async PDocAccessible(nullable PDocAccessible aParentDoc, uint64_t aParentAcc,
MaybeDiscardedBrowsingContext aBrowsingContext,
uint32_t aMsaaID, IAccessibleHolder aDocCOMProxy);
#endif
async PPaymentRequest();
/**
* Create a new Vsync connection for our associated root widget
*/
async PVsync();
/**
* When content moves focus from a native plugin window that's a child
* of the native browser window we need to move native focus to the
* browser. Otherwise the plugin window will never relinquish focus.
*/
sync DispatchFocusToTopLevelWindow();
/**
* When the child process unsuppresses painting, we send the message for the
* parent process to start painting the new document, if it's still painting
* the old one.
*/
[Priority=control] async DidUnsuppressPainting();
async DidUnsuppressPaintingNormalPriority();
/**
* When child sends this message, parent should move focus to
* the next or previous focusable element or document.
*/
async MoveFocus(bool forward, bool forDocumentNavigation);
/**
* Called by the child to inform the parent that links are dropped into
* content area.
*
* aLinks A flat array of url, name, and type for each link
*/
async DropLinks(nsString[] aLinks);
sync SyncMessage(nsString aMessage, ClonedMessageData aData)
returns (StructuredCloneData[] retval);
/**
* Notifies chrome that there is a focus change involving an editable
* object (input, textarea, document, contentEditable. etc.)
*
* contentCache Cache of content
* notification Whole data of the notification
* requests Requests of notification for IME of the native widget
*/
[Nested=inside_cpow] async NotifyIMEFocus(ContentCache contentCache,
IMENotification notification)
returns (IMENotificationRequests requests);
/**
* Notifies chrome that there has been a change in text content
* One call can encompass both a delete and an insert operation
* Only called when NotifyIMEFocus returns PR_TRUE for mWantUpdates
*
* contentCache Cache of content
* notification Whole data of the notification
*/
[Nested=inside_cpow] async NotifyIMETextChange(ContentCache contentCache,
IMENotification notification);
/**
* Notifies chrome that there is a IME compostion rect updated
*
* contentCache Cache of content
*/
[Nested=inside_cpow] async NotifyIMECompositionUpdate(ContentCache contentCache,
IMENotification notification);
/**
* Notifies chrome that there has been a change in selection
* Only called when NotifyIMEFocus returns PR_TRUE for mWantUpdates
*
* contentCache Cache of content
* notification Whole data of the notification
*/
[Nested=inside_cpow] async NotifyIMESelection(ContentCache contentCache,
IMENotification notification);
/**
* Notifies chrome of updating its content cache.
* This is useful if content is modified but we don't need to notify IME.
*
* contentCache Cache of content
*/
[Nested=inside_cpow] async UpdateContentCache(ContentCache contentCache);
/**
* Notifies IME of mouse button event on a character in focused editor.
*
* Returns true if the mouse button event is consumed by IME.
*/
[Nested=inside_cpow] sync NotifyIMEMouseButtonEvent(IMENotification notification)
returns (bool consumedByIME);
/**
* Notifies chrome to position change
*
* contentCache Cache of content
*/
[Nested=inside_cpow] async NotifyIMEPositionChange(ContentCache contentCache,
IMENotification notification);
/**
* Requests chrome to commit or cancel composition of IME.
*
* cancel Set true if composition should be cancelled.
*
* isCommitted Returns true if the request causes composition
* being committed synchronously.
* committedString Returns committed string. The may be non-empty
* string even if cancel is true because IME may
* try to restore selected string which was
* replaced with the composition.
*/
[Nested=inside_cpow] sync RequestIMEToCommitComposition(bool cancel)
returns (bool isCommitted, nsString committedString);
/**
* OnEventNeedingAckHandled() is called after a child process dispatches a
* composition event or a selection event which is sent from the parent
* process.
*
* message The message value of the handled event.
*/
[Nested=inside_cpow] async OnEventNeedingAckHandled(EventMessage message);
/**
* Request that the parent process move focus to the browser's frame. If
* canRaise is true, the window can be raised if it is inactive.
*/
async RequestFocus(bool canRaise, CallerType aCallerType);
/**
* Sends a mouse wheel zoom change to the parent process, to be handled by
* the front end as needed.
*/
async WheelZoomChange(bool increase);
/**
* Indicate, based on the current state, that some commands are enabled and
* some are disabled.
*/
async EnableDisableCommands(MaybeDiscardedBrowsingContext bc,
nsString action,
nsCString[] enabledCommands,
nsCString[] disabledCommands);
[Nested=inside_cpow] sync GetInputContext() returns (IMEState state);
[Nested=inside_cpow] async SetInputContext(InputContext context,
InputContextAction action);
/**
* Set the native cursor.
* @param value
* The widget cursor to set.
* @param hasCustomCursor
* Whether there's any custom cursor represented by cursorData and
* company.
* @param customCursorData
* Serialized image data.
* @param width
* Width of the image.
* @param height
* Height of the image.
* @param resolutionX
* Resolution of the image X axis in dppx units.
* @param resolutionY
* Resolution of the image Y axis in dppx units.
* @param stride
* Stride used in the image data.
* @param format
* Image format, see gfx::SurfaceFormat for possible values.
* @param hotspotX
* Horizontal hotspot of the image, as specified by the css cursor property.
* @param hotspotY
* Vertical hotspot of the image, as specified by the css cursor property.
* @param force
* Invalidate any locally cached cursor settings and force an
* update.
*/
async SetCursor(nsCursor value,
bool hasCustomCursor,
BigBuffer? customCursorData,
uint32_t width, uint32_t height,
float resolutionX, float resolutionY,
uint32_t stride, SurfaceFormat format,
uint32_t hotspotX, uint32_t hotspotY, bool force);
/**
* Used to set the current text of the status tooltip.
* Nowadays this is only used for link locations on hover.
*/
async SetLinkStatus(nsString status);
/**
* Show/hide a tooltip when the mouse hovers over an element in the content
* document.
*/
async ShowTooltip(uint32_t x, uint32_t y, nsString tooltip, nsString direction);
async HideTooltip();
/**
* Create an asynchronous color picker on the parent side,
* but don't open it yet.
*/
async PColorPicker(nsString title, nsString initialColor, nsString[] defaultColors);
async PFilePicker(nsString aTitle, int16_t aMode);
/**
* Tells the containing widget whether the given input block results in a
* swipe. Should be called in response to a WidgetWheelEvent that has
* mFlags.mCanTriggerSwipe set on it.
*/
async RespondStartSwipeEvent(uint64_t aInputBlockId, bool aStartSwipe);
/**
* Look up dictionary by selected word for OSX
*
* @param aText The word to look up
* @param aFontRange Text decoration of aText
* @param aIsVertical true if vertical layout
*/
async LookUpDictionary(nsString aText, FontRange[] aFontRangeArray,
bool aIsVertical, LayoutDeviceIntPoint aPoint);
async __delete__();
/**
* Send a reply of keyboard event to the parent. Then, parent can consider
* whether the event should kick a shortcut key or ignore.
*
* @param aEvent The event which was sent from the parent and handled
* in a remote process.
* @param aUUI The UUID which was generated when aEvent was sent to
* a remote process.
*/
async ReplyKeyEvent(WidgetKeyboardEvent aEvent, nsID aUUID);
/**
* Retrieves edit commands for the key combination represented by aEvent.
*
* @param aType One of NativeKeyBindingsType.
* @param aEvent KeyboardEvent which represents a key combination.
* Note that this must be a trusted event.
* @return Array of edit commands which should be executed in
* editor of native applications.
*/
sync RequestNativeKeyBindings(uint32_t aType, WidgetKeyboardEvent aEvent)
returns (CommandInt[] commands);
async SynthesizeNativeKeyEvent(int32_t aNativeKeyboardLayout,
int32_t aNativeKeyCode,
uint32_t aModifierFlags,
nsString aCharacters,
nsString aUnmodifiedCharacters,
uint64_t aObserverId);
async SynthesizeNativeMouseEvent(LayoutDeviceIntPoint aPoint,
uint32_t aNativeMessage,
int16_t aButton,
uint32_t aModifierFlags,
uint64_t aObserverId);
async SynthesizeNativeMouseMove(LayoutDeviceIntPoint aPoint,
uint64_t aObserverId);
async SynthesizeNativeMouseScrollEvent(LayoutDeviceIntPoint aPoint,
uint32_t aNativeMessage,
double aDeltaX,
double aDeltaY,
double aDeltaZ,
uint32_t aModifierFlags,
uint32_t aAdditionalFlags,
uint64_t aObserverId);
async SynthesizeNativeTouchPoint(uint32_t aPointerId,
TouchPointerState aPointerState,
LayoutDeviceIntPoint aPoint,
double aPointerPressure,
uint32_t aPointerOrientation,
uint64_t aObserverId);
async SynthesizeNativeTouchPadPinch(TouchpadGesturePhase aEventPhase,
float aScale,
LayoutDeviceIntPoint aPoint,
int32_t aModifierFlags);
async SynthesizeNativeTouchTap(LayoutDeviceIntPoint aPoint,
bool aLongTap,
uint64_t aObserverId);
async ClearNativeTouchSequence(uint64_t aObserverId);
async SynthesizeNativePenInput(uint32_t aPointerId,
TouchPointerState aPointerState,
LayoutDeviceIntPoint aPoint,
double aPressure,
uint32_t aRotation,
int32_t aTiltX,
int32_t aTiltY,
int32_t aButton,
uint64_t aObserverId);
async SynthesizeNativeTouchpadDoubleTap(LayoutDeviceIntPoint aPoint,
uint32_t aModifierFlags);
async SynthesizeNativeTouchpadPan(TouchpadGesturePhase aEventPhase,
LayoutDeviceIntPoint aPoint,
double aDeltaX, double aDeltaY,
int32_t aModifierFlags,
uint64_t aObserverId);
async LockNativePointer();
async UnlockNativePointer();
async AccessKeyNotHandled(WidgetKeyboardEvent event);
async RegisterProtocolHandler(nsString scheme, nsIURI handlerURI, nsString title,
nsIURI documentURI);
async OnStateChange(WebProgressData aWebProgressData,
RequestData aRequestData, uint32_t aStateFlags,
nsresult aStatus,
WebProgressStateChangeData? aStateChangeData);
async OnLocationChange(WebProgressData aWebProgressData,
RequestData aRequestData, nsIURI aLocation,
uint32_t aFlags, bool aCanGoBack,
bool aCanGoForward,
WebProgressLocationChangeData? aLocationChangeData);
// We only track information about total progress in the parent process.
// This value is throttled using nsBrowserStatusFilter, and records the full
// total progress for nsDocShells managed by this actor.
async OnProgressChange(int32_t aCurTotalProgress, int32_t aMaxTotalProgress);
// Calls to OnStatusChange are throttled by nsBrowserStatusFilter, meaning
// they are only called with a status of `NS_OK`, and with no webProgress or
// request.
async OnStatusChange(nsString aMessage);
async NotifyContentBlockingEvent(uint32_t aEvent, RequestData aRequestData,
bool aBlocked, nsCString aTrackingOrigin,
nsCString[] aTrackingFullHashes,
StorageAccessPermissionGrantedReason? aReason);
async NavigationFinished();
async IntrinsicSizeOrRatioChanged(IntrinsicSize? aIntrinsicSize,
AspectRatio? aIntrinsicRatio);
async ImageLoadComplete(nsresult aResult);
/**
* Child informs the parent that a pointer lock has requested/released.
*/
async RequestPointerLock() returns (nsCString error);
async ReleasePointerLock();
/**
* Child informs the parent that a pointer capture has requested/released.
*/
async RequestPointerCapture(uint32_t aPointerId) returns (bool aSuccess);
async ReleasePointerCapture(uint32_t aPointerId);
child:
async NativeSynthesisResponse(uint64_t aObserverId, nsCString aResponse);
async UpdateSHistory();
async CloneDocumentTreeIntoSelf(MaybeDiscardedBrowsingContext aBc, PrintData aPrintData) returns(bool aSuccess);
async UpdateRemotePrintSettings(PrintData aPrintData);
/**
* Parent informs the child to release all pointer capture.
*/
[Priority=input] async ReleaseAllPointerCapture();
parent:
/**
* Child informs the parent that the content is ready to handle input
* events. This is sent when the BrowserChild is created.
*/
async RemoteIsReadyToHandleInputEvents();
/**
* Child informs the parent that the layer tree is already available.
*/
async PaintWhileInterruptingJSNoOp(LayersObserverEpoch aEpoch);
child:
/**
* Parent informs the child of graphical effects that are being applied
* to the child browser.
*/
async UpdateEffects(EffectsInfo aEffects);
parent:
/**
* Sent by the child to the parent to inform it that an update to the
* dimensions has been requested.
*
* @param aRequest The requested change of inner or outer dimensions.
* @param aScale The scale at the time of the request. This is to allow
* the parent to recompute the dimensions in case of an
* ongoing scale change.
*/
async SetDimensions(DimensionRequest aRequest, double aScale);
[Nested=inside_sync] sync DispatchWheelEvent(WidgetWheelEvent event);
[Nested=inside_sync] sync DispatchMouseEvent(WidgetMouseEvent event);
[Nested=inside_sync] sync DispatchKeyboardEvent(WidgetKeyboardEvent event);
[Nested=inside_sync] sync DispatchTouchEvent(WidgetTouchEvent event);
async InvokeDragSession(IPCDataTransfer[] transfers, uint32_t action,
BigBuffer? visualData,
uint32_t stride, SurfaceFormat format,
LayoutDeviceIntRect dragRect,
nsIPrincipal principal, nsIContentSecurityPolicy csp,
CookieJarSettingsArgs cookieJarSettings,
MaybeDiscardedWindowContext sourceWindowContext,
MaybeDiscardedWindowContext sourceTopWindowContext);
// After a compositor reset, it is necessary to reconnect each layers ID to
// the compositor of the widget that will render those layers. Note that
// this is sync so we can ensure that messages to the window compositor
// arrive before the BrowserChild attempts to use its cross-process compositor
// bridge.
sync EnsureLayersConnected() returns (CompositorOptions compositorOptions);
/**
* This function is used to notify the parent that it should display a
* canvas permission prompt.
*
* @param aOrigin origin string of the document that is requesting access.
*/
async ShowCanvasPermissionPrompt(nsCString aOrigin,
bool aHideDoorHanger);
sync SetSystemFont(nsCString aFontName);
sync GetSystemFont() returns (nsCString retval);
/**
* Called once this PBrowser's OOP subdoc no longer blocks its
* embedding element's and embedding doc's 'load' events.
*/
async MaybeFireEmbedderLoadEvents(EmbedderElementEventType aFireEventAtEmbeddingElement);
async ScrollRectIntoView(nsRect aRect, ScrollAxis aVertical,
ScrollAxis aHorizontal, ScrollFlags aScrollFlags,
int32_t aAppUnitsPerDevPixel);
async SetAllowDeprecatedTls(bool value);
async ShowDynamicToolbar();
child:
/**
* Notify the remote browser that it has been Show()n on this side. This
* message is expected to trigger creation of the remote browser's "widget".
*/
async Show(ParentShowInfo parentInfo, OwnerShowInfo childInfo);
/**
* Sending an activate message moves focus to the child.
*/
async Activate(uint64_t aActionId);
async Deactivate(uint64_t aActionId);
async ScrollbarPreferenceChanged(ScrollbarPreference pref);
async InitRendering(TextureFactoryIdentifier textureFactoryIdentifier,
LayersId layersId,
CompositorOptions compositorOptions,
bool layersConnected);
async CompositorOptionsChanged(CompositorOptions newOptions);
async LoadURL(nsDocShellLoadState loadState, ParentShowInfo info);
async CreateAboutBlankContentViewer(nsIPrincipal principal,
nsIPrincipal partitionedPrincipal);
async ResumeLoad(uint64_t pendingSwitchID, ParentShowInfo info);
[Compress=all] async UpdateDimensions(DimensionInfo dimensions);
async SizeModeChanged(nsSizeMode sizeMode);
async ChildToParentMatrix(Matrix4x4? aMatrix,
ScreenRect aRemoteDocumentRect);
async SetIsUnderHiddenEmbedderElement(bool aIsUnderHiddenEmbedderElement);
async UpdateRemoteStyle(StyleImageRendering aImageRendering);
async DynamicToolbarMaxHeightChanged(ScreenIntCoord height);
async DynamicToolbarOffsetChanged(ScreenIntCoord height);
/**
* StopIMEStateManagement() is called when the process loses focus and
* should stop managing IME state.
*/
async StopIMEStateManagement();
/**
* When two consecutive mouse move events would be added to the message queue,
* they are 'compressed' by dumping the oldest one.
*/
[Compress, Priority=input]
async RealMouseMoveEvent(WidgetMouseEvent event,
ScrollableLayerGuid aGuid,
uint64_t aInputBlockId);
[Compress]
async NormalPriorityRealMouseMoveEvent(WidgetMouseEvent event,
ScrollableLayerGuid aGuid,
uint64_t aInputBlockId);
/**
* But don't compress mousemove events for tests since every event is
* important for the test since synthesizing various input events may
* be faster than what the user operates same things. If you need to
* test the `Compress`, send mouse move events with setting `isSyntehsized`
* of `aEvent` of `EventUtils#syntehsizeMouse*()`.
*/
[Priority=input]
async RealMouseMoveEventForTests(WidgetMouseEvent event,
ScrollableLayerGuid aGuid,
uint64_t aInputBlockId);
async NormalPriorityRealMouseMoveEventForTests(WidgetMouseEvent event,
ScrollableLayerGuid aGuid,
uint64_t aInputBlockId);
/**
* Mouse move events with |reason == eSynthesized| are sent via a separate
* message because they do not generate DOM 'mousemove' events, and the
* 'Compress' attribute on RealMouseMoveEvent() could result in a
* |reason == eReal| event being dropped in favour of an |eSynthesized|
* event, and thus a DOM 'mousemove' event to be lost.
*/
[Priority=input]
async SynthMouseMoveEvent(WidgetMouseEvent event,
ScrollableLayerGuid aGuid,
uint64_t aInputBlockId);
async NormalPrioritySynthMouseMoveEvent(WidgetMouseEvent event,
ScrollableLayerGuid aGuid,
uint64_t aInputBlockId);
[Priority=input]
async RealMouseButtonEvent(WidgetMouseEvent event,
ScrollableLayerGuid aGuid,
uint64_t aInputBlockId);
async NormalPriorityRealMouseButtonEvent(WidgetMouseEvent event,
ScrollableLayerGuid aGuid,
uint64_t aInputBlockId);
[Priority=input]
async RealMouseEnterExitWidgetEvent(WidgetMouseEvent event,
ScrollableLayerGuid aGuid,
uint64_t aInputBlockId);
async NormalPriorityRealMouseEnterExitWidgetEvent(WidgetMouseEvent event,
ScrollableLayerGuid aGuid,
uint64_t aInputBlockId);
/**
* Send a keyboard event which reporesents a user input to a remote process.
*
* @param aEvent The event which user typed a key.
* @param aUUID A UUID which is generated in the parent at sending it.
* This must be specified when the child sends a reply
* event to the parent.
*/
[Priority=input]
async RealKeyEvent(WidgetKeyboardEvent aEvent, nsID aUUID);
async NormalPriorityRealKeyEvent(WidgetKeyboardEvent aEvent, nsID aUUID);
[Priority=input]
async MouseWheelEvent(WidgetWheelEvent event,
ScrollableLayerGuid aGuid,
uint64_t aInputBlockId);
async NormalPriorityMouseWheelEvent(WidgetWheelEvent event,
ScrollableLayerGuid aGuid,
uint64_t aInputBlockId);
[Priority=input]
async RealTouchEvent(WidgetTouchEvent aEvent,
ScrollableLayerGuid aGuid,
uint64_t aInputBlockId,
nsEventStatus aApzResponse);
async NormalPriorityRealTouchEvent(WidgetTouchEvent aEvent,
ScrollableLayerGuid aGuid,
uint64_t aInputBlockId,
nsEventStatus aApzResponse);
[Priority=input]
async HandleTap(GeckoContentController_TapType aType, LayoutDevicePoint point,
Modifiers aModifiers, ScrollableLayerGuid aGuid,
uint64_t aInputBlockId);
async NormalPriorityHandleTap(GeckoContentController_TapType aType, LayoutDevicePoint point,
Modifiers aModifiers, ScrollableLayerGuid aGuid,
uint64_t aInputBlockId);
[Compress, Priority=input]
async RealTouchMoveEvent(WidgetTouchEvent aEvent,
ScrollableLayerGuid aGuid,
uint64_t aInputBlockId,
nsEventStatus aApzResponse);
[Compress]
async NormalPriorityRealTouchMoveEvent(WidgetTouchEvent aEvent,
ScrollableLayerGuid aGuid,
uint64_t aInputBlockId,
nsEventStatus aApzResponse);
[Compress, Priority=input]
async RealTouchMoveEvent2(WidgetTouchEvent aEvent,
ScrollableLayerGuid aGuid,
uint64_t aInputBlockId,
nsEventStatus aApzResponse);
[Compress]
async NormalPriorityRealTouchMoveEvent2(WidgetTouchEvent aEvent,
ScrollableLayerGuid aGuid,
uint64_t aInputBlockId,
nsEventStatus aApzResponse);
/*
* We disable the input event queue when there is an active dnd session. We
* don't need support RealDragEvent with input priority.
*/
async RealDragEvent(WidgetDragEvent aEvent, uint32_t aDragAction,
uint32_t aDropEffect, nsIPrincipal aPrincipal,
nsIContentSecurityPolicy csp);
[Priority=input] async CompositionEvent(WidgetCompositionEvent event);
async NormalPriorityCompositionEvent(WidgetCompositionEvent event);
[Priority=input] async SelectionEvent(WidgetSelectionEvent event);
async NormalPrioritySelectionEvent(WidgetSelectionEvent event);
/**
* Dispatch eContentCommandInsertText event in the remote process.
*/
[Priority=input] async InsertText(nsString aStringToInsert);
async NormalPriorityInsertText(nsString aStringToInsert);
/**
* Call PasteTransferable via a controller on the content process
* to handle the command content event, "pasteTransferable".
*/
async PasteTransferable(IPCDataTransfer aDataTransfer,
bool aIsPrivateData,
nsIPrincipal aRequestingPrincipal,
nsContentPolicyType aContentPolicyType);
async LoadRemoteScript(nsString aURL, bool aRunInGlobalScope);
/**
* Sent by the chrome process when it no longer wants this remote
* <browser>. The child side cleans up in response, then
* finalizing its death by sending back __delete__() to the
* parent.
*/
async Destroy();
/**
* If aEnabled is true, tells the child to paint and upload layers to
* the compositor. If aEnabled is false, the child stops painting and
* clears the layers from the compositor.
*
* @param aEnabled
* True if the child should render and upload layers, false if the
* child should clear layers.
* @param aEpoch
* The layer observer epoch for this activation. This message should be
* ignored if this epoch has already been observed (via
* PaintWhileInterruptingJS).
*/
async RenderLayers(bool aEnabled, LayersObserverEpoch aEpoch);
/**
* Communicates the child that we want layers to be preserved even when the
* browser is inactive.
*/
async PreserveLayers(bool aPreserve);
child:
/**
* Notify the child that it shouldn't paint the offscreen displayport.
* This is useful to speed up interactive operations over async
* scrolling performance like resize, tabswitch, pageload.
*
* Each enable call must be matched with a disable call. The child
* will remain in the suppress mode as long as there's
* a single unmatched call.
*/
async SuppressDisplayport(bool aEnabled);
/**
* Navigate by key (Tab/Shift+Tab/F6/Shift+f6).
*/
async NavigateByKey(bool aForward, bool aForDocumentNavigation);
/**
* Tell the child that the UI resolution changed for the containing
* window.
* To avoid some sync messages from child to parent, we also send the dpi
* and default scale with the notification.
* If we don't know the dpi and default scale, we just pass in a negative
* value (-1) but in the majority of the cases this saves us from two
* sync requests from the child to the parent.
*/
async UIResolutionChanged(float dpi, int32_t rounding, double scale);
/**
* Tell the child that the safe area of widget has changed.
*
*/
async SafeAreaInsetsChanged(ScreenIntMargin aSafeAreaInsets);
/**
* Tell the browser that its frame loader has been swapped
* with another.
*/
async SwappedWithOtherRemoteLoader(IPCTabContext context);
/**
* A potential accesskey was just pressed. Look for accesskey targets
* using the list of provided charCodes.
*
* @param event keyboard event
* @param isTrusted true if triggered by a trusted key event
*/
async HandleAccessKey(WidgetKeyboardEvent event,
uint32_t[] charCodes);
/**
* Tell the child to create a print preview document in this browser, or
* to update the existing print preview document with new print settings.
*
* @param aPrintData The serialized print settings to use to layout the
* print preview document.
* @param aSourceBrowsingContext Optionally, the browsing context that
* contains the document from which the print preview is to be generated.
* This should only be passed on the first call. It should not be passed
* for any subsequent calls that are made to update the existing print
* preview document with a new print settings object.
*/
async PrintPreview(PrintData aPrintData,
MaybeDiscardedBrowsingContext aSourceBrowsingContext) returns (PrintPreviewResultInfo aInfo);
/**
* Inform the print preview document that we're done with it.
*/
async ExitPrintPreview();
/**
* Tell the child to print the current page with the given settings.
*
* @param aBrowsingContext the browsing context to print.
* @param aPrintData the serialized settings to print with
*/
async Print(MaybeDiscardedBrowsingContext aBC, PrintData aPrintData);
/**
* Update the child with the tab's current top-level native window handle.
* This is used by a11y objects who must expose their native window.
*
* @param aNewHandle The native window handle of the tab's top-level window.
*/
async UpdateNativeWindowHandle(uintptr_t aNewHandle);
/**
* Tell the BrowserChild to allow scripts in the docshell to close the window.
*/
async AllowScriptsToClose();
async WillChangeProcess();
parent:
/**
* Fetches whether this window supports protected media, which is sent back in response.
*/
async IsWindowSupportingProtectedMedia(uint64_t aOuterWindowID) returns(bool isSupported);
/**
* Fetches whether this window supports WebVR, which is sent back in response.
*/
async IsWindowSupportingWebVR(uint64_t aOuterWindowID) returns(bool isSupported);
/** Records a history visit. */
async VisitURI(nsIURI aURI, nsIURI aLastVisitedURI, uint32_t aFlags, uint64_t aBrowserId);
/** Fetches the visited status for an array of URIs (Android-only). */
async QueryVisitedState(nsIURI[] aURIs);
/** Create a session store for a browser child. */
async PSessionStore();
/**
* Construct a new WindowGlobal for an existing global in the content process
*/
async NewWindowGlobal(ManagedEndpoint<PWindowGlobalParent> aEndpoint,
WindowGlobalInit aInit);
/*
* FIXME: write protocol!
state LIVE:
send LoadURL goto LIVE;
//etc.
send Destroy goto DYING;
state DYING:
discard send blah;
// etc.
recv __delete__;
*/
};
}
}