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=4 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 PBlob;
include protocol PColorPicker;
include protocol PContent;
include protocol PContentBridge;
include protocol PDatePicker;
include protocol PDocAccessible;
include protocol PDocumentRenderer;
include protocol PFilePicker;
include protocol PIndexedDBPermissionRequest;
include protocol PRenderFrame;
include protocol PPluginWidget;
include protocol PRemotePrintJob;
include DOMTypes;
include JavaScriptTypes;
include URIParams;
include PPrintingTypes;
include PTabContext;
using class IPC::Principal from "mozilla/dom/PermissionMessageUtils.h";
using class mozilla::gfx::Matrix from "mozilla/gfx/Matrix.h";
using struct gfxSize from "gfxPoint.h";
using CSSRect from "Units.h";
using CSSSize from "Units.h";
using mozilla::LayoutDeviceIntRect from "Units.h";
using mozilla::LayoutDeviceIntPoint from "Units.h";
using mozilla::LayoutDevicePoint from "Units.h";
using mozilla::ScreenIntPoint from "Units.h";
using ScreenIntSize from "Units.h";
using struct mozilla::layers::FrameMetrics from "FrameMetrics.h";
using struct mozilla::layers::ScrollableLayerGuid from "FrameMetrics.h";
using struct mozilla::layers::ZoomConstraints from "FrameMetrics.h";
using mozilla::layers::MaybeZoomConstraints from "FrameMetrics.h";
using mozilla::layers::GeckoContentController::TapType from "mozilla/layers/GeckoContentController.h";
using FrameMetrics::ViewID from "FrameMetrics.h";
using struct mozilla::void_t from "ipc/IPCMessageUtils.h";
using mozilla::WindowsHandle from "ipc/IPCMessageUtils.h";
using nscolor from "nsColor.h";
using class mozilla::WidgetCompositionEvent from "ipc/nsGUIEventIPC.h";
using struct mozilla::widget::IMENotification from "nsIWidget.h";
using struct nsIMEUpdatePreference from "nsIWidget.h";
using mozilla::gfx::IntSize from "mozilla/gfx/Point.h";
using mozilla::gfx::IntPoint from "mozilla/gfx/Point.h";
using mozilla::gfx::IntRect from "mozilla/gfx/Rect.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 class mozilla::WidgetPluginEvent from "ipc/nsGUIEventIPC.h";
using struct mozilla::dom::RemoteDOMEvent from "mozilla/dom/TabMessageUtils.h";
using mozilla::dom::ScreenOrientationInternal from "mozilla/dom/ScreenOrientation.h";
using struct mozilla::layers::TextureFactoryIdentifier from "mozilla/layers/CompositorTypes.h";
using mozilla::CSSToScreenScale from "Units.h";
using mozilla::CommandInt from "mozilla/EventForwards.h";
using mozilla::WritingMode from "mozilla/WritingModes.h";
using mozilla::layers::TouchBehaviorFlags from "mozilla/layers/APZUtils.h";
using nsIWidget::TouchPointerState from "nsIWidget.h";
using struct LookAndFeelInt 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::EventMessage from "mozilla/EventForwards.h";
using nsEventStatus from "mozilla/EventForwards.h";
using mozilla::Modifiers from "mozilla/EventForwards.h";
using nsSizeMode from "nsIWidgetListener.h";
using mozilla::widget::CandidateWindowPosition from "ipc/nsGUIEventIPC.h";
using class mozilla::NativeEventData from "ipc/nsGUIEventIPC.h";
using mozilla::FontRange from "ipc/nsGUIEventIPC.h";
using mozilla::a11y::IAccessibleHolder from "mozilla/a11y/IPCTypes.h";
namespace mozilla {
namespace dom {
struct NativeKeyBinding
{
CommandInt[] singleLineCommands;
CommandInt[] multiLineCommands;
CommandInt[] richTextCommands;
};
union MaybeNativeKeyBinding
{
NativeKeyBinding;
void_t;
};
struct ShowInfo
{
nsString name;
bool fullscreenAllowed;
bool isPrivate;
bool fakeShowInfo;
bool isTransparent;
float dpi;
int32_t widgetRounding;
double defaultScale;
};
union OptionalShmem
{
void_t;
Shmem;
};
nested(upto inside_cpow) sync protocol PBrowser
{
manager PContent or PContentBridge;
manages PColorPicker;
manages PDatePicker;
manages PDocAccessible;
manages PDocumentRenderer;
manages PFilePicker;
manages PIndexedDBPermissionRequest;
manages PRenderFrame;
manages PPluginWidget;
both:
async AsyncMessage(nsString aMessage, CpowEntry[] aCpows,
Principal aPrincipal, ClonedMessageData aData);
/**
* Create a layout frame (encapsulating a remote layer tree) for
* the page that is currently loaded in the <browser>.
*/
async PRenderFrame();
parent:
/**
* 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,
uint32_t aMsaaID, IAccessibleHolder aDocCOMProxy);
/*
* Creates a new remoted nsIWidget connection for windowed plugins
* in e10s mode. This is always initiated from the child in response
* to windowed plugin creation.
*/
sync PPluginWidget();
/**
* Return native data of root widget
*/
nested(inside_cpow) sync GetWidgetNativeData() returns (WindowsHandle value);
/**
* Sends an NS_NATIVE_CHILD_OF_SHAREABLE_WINDOW to be adopted by the
* widget's shareable window on the chrome side. Only used on Windows.
*/
async SetNativeChildOfShareableWindow(uintptr_t childWindow);
/**
* 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();
parent:
/**
* When child sends this message, parent should move focus to
* the next or previous focusable element or document.
*/
async MoveFocus(bool forward, bool forDocumentNavigation);
/**
* SizeShellTo request propagation to parent.
*
* aFlag Can indicate if one of the dimensions should be ignored.
* If only one dimension has changed it has to be indicated
* by the nsIEmbeddingSiteWindow::DIM_FLAGS_IGNORE_* flags.
* aShellItemWidth,
* aShellItemHeight On parent side we won't be able to decide the dimensions
* of the shell item parameter in the original SizeShellTo
* call so we send over its dimensions that will be used
* for the actual resize.
**/
async SizeShellTo(uint32_t aFlag, int32_t aWidth, int32_t aHeight,
int32_t aShellItemWidth, int32_t aShellItemHeight);
/**
* 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);
async Event(RemoteDOMEvent aEvent);
sync SyncMessage(nsString aMessage, ClonedMessageData aData,
CpowEntry[] aCpows, Principal aPrincipal)
returns (StructuredCloneData[] retval);
nested(inside_sync) sync RpcMessage(nsString aMessage, ClonedMessageData aData,
CpowEntry[] aCpows, Principal aPrincipal)
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
* preference Native widget preference for IME updates
*/
nested(inside_cpow) sync NotifyIMEFocus(ContentCache contentCache,
IMENotification notification)
returns (nsIMEUpdatePreference preference);
/**
* 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 consumd 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);
/**
* Tells chrome to start plugin IME. If this results in a string getting
* committed, the result is in aCommitted (otherwise aCommitted is empty).
*
* aKeyboardEvent The event with which plugin IME is to be started
* panelX and panelY Location in screen coordinates of the IME input panel
* (should be just under the plugin)
* aCommitted The string committed during IME -- otherwise empty
*/
nested(inside_cpow) sync StartPluginIME(WidgetKeyboardEvent aKeyboardEvent,
int32_t panelX, int32_t panelY)
returns (nsString aCommitted);
/**
* Tells chrome (and specifically the appropriate widget) whether or not
* a plugin (inside the widget) has the keyboard focus. Should be sent
* when the keyboard focus changes too or from a plugin.
*
* aFocused Whether or not a plugin is focused
*/
nested(inside_cpow) async SetPluginFocused(bool aFocused);
/**
* Set IME candidate window by windowless plugin if plugin has focus.
*/
async SetCandidateWindowForPlugin(CandidateWindowPosition aPosition);
/**
* Notifies the parent process of native key event data received in a
* plugin process directly.
*
* aKeyEventData The native key event data. The actual type copied into
* NativeEventData depending on the caller. Please check
* PluginInstanceChild.
*/
nested(inside_cpow) async OnWindowedPluginKeyEvent(NativeEventData aKeyEventData);
/**
* When plugin event isn't consumed, call this
*/
async DefaultProcOfPluginEvent(WidgetPluginEvent aEvent);
/**
* 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);
/**
* Indicate, based on the current state, that some commands are enabled and
* some are disabled.
*/
async EnableDisableCommands(nsString action,
nsCString[] enabledCommands,
nsCString[] disabledCommands);
nested(inside_cpow) sync GetInputContext() returns (int32_t IMEEnabled,
int32_t IMEOpen);
nested(inside_cpow) async SetInputContext(int32_t IMEEnabled,
int32_t IMEOpen,
nsString type,
nsString inputmode,
nsString actionHint,
int32_t cause,
int32_t focusChange);
sync IsParentWindowMainWidgetVisible() returns (bool visible);
/**
* Gets the DPI of the screen corresponding to this browser.
*/
sync GetDPI() returns (float value);
/**
* Gets the default scaling factor of the screen corresponding to this browser.
*/
sync GetDefaultScale() returns (double value);
/**
* Gets the rounding of coordinates in the widget.
*/
sync GetWidgetRounding() returns (int32_t value);
/**
* Gets maximum of touch points at current device.
*/
sync GetMaxTouchPoints() returns (uint32_t value);
/**
* Set the native cursor.
* @param value
* The widget cursor to set.
* @param force
* Invalidate any locally cached cursor settings and force an
* update.
*/
async SetCursor(uint32_t value, bool force);
/**
* Set the native cursor using a custom image.
* @param cursorData
* Serialized image data.
* @param width
* Width of the image.
* @param height
* Height of the image.
* @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 SetCustomCursor(nsCString cursorData, uint32_t width, uint32_t height,
uint32_t stride, uint8_t format,
uint32_t hotspotX, uint32_t hotspotY, bool force);
/**
* Used to set the current text of the status tooltip.
* Nowadays this is mainly used for link locations on hover.
*/
async SetStatus(uint32_t type, 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);
/**
* Create an asynchronous date picker on the parent side,
* but don't open it yet.
*/
async PDatePicker(nsString title, nsString initialDate);
async PFilePicker(nsString aTitle, int16_t aMode);
/**
* Initiates an asynchronous request for one of the special indexedDB
* permissions for the provided principal.
*
* @param principal
* The principal of the request.
*
* NOTE: The principal is untrusted in the parent process. Only
* principals that can live in the content process should
* provided.
*/
async PIndexedDBPermissionRequest(Principal principal);
/**
* window.open from inside <iframe mozbrowser> is special. When the child
* process calls window.open, it creates a new PBrowser (in its own
* process), then calls BrowserFrameOpenWindow on it.
*
* The parent process gets a chance to accept or reject the window.open
* call, and windowOpened is set to true if we ended up going through with
* the window.open.
*
* @param opener the PBrowser whose content called window.open.
*/
sync BrowserFrameOpenWindow(PBrowser opener, PRenderFrame renderFrame,
nsString aURL, nsString aName, nsString aFeatures)
returns (bool windowOpened,
TextureFactoryIdentifier textureFactoryIdentifier,
uint64_t layersId);
/**
* 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);
/**
* Brings up the auth prompt dialog.
* Called when this is the PBrowserParent for a nested remote iframe.
* aCallbackId corresponds to an nsIAuthPromptCallback that lives in the
* root process. It will be passed back to the root process with either the
* OnAuthAvailable or OnAuthCancelled message.
*/
async AsyncAuthPrompt(nsCString uri, nsString realm, uint64_t aCallbackId);
/**
* 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__();
async ReplyKeyEvent(WidgetKeyboardEvent event);
sync RequestNativeKeyBindings(WidgetKeyboardEvent event)
returns (MaybeNativeKeyBinding bindings);
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,
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 SynthesizeNativeTouchTap(LayoutDeviceIntPoint aPoint,
bool aLongTap,
uint64_t aObserverId);
async ClearNativeTouchSequence(uint64_t aObserverId);
/**
* Returns the number of tabs in the window via the out parameter.
* If the number of tabs can't be determined, returns 0.
*
* @param aValue where to store the tab count
*/
sync GetTabCount() returns (uint32_t value);
async AccessKeyNotHandled(WidgetKeyboardEvent event);
child:
async NativeSynthesisResponse(uint64_t aObserverId, nsCString aResponse);
parent:
/**
* Child informs the parent that the graphics objects are ready for
* compositing. This is sent when all pending changes have been
* sent to the compositor and are ready to be shown on the next composite.
* @see PCompositor
* @see RequestNotifyAfterRemotePaint
*/
async RemotePaintIsReady();
/**
* Child informs the parent that the layer tree is already available.
*/
async ForcePaintNoOp(uint64_t aLayerObserverEpoch);
/**
* Sent by the child to the parent to inform it that an update to the
* dimensions has been requested, likely through win.moveTo or resizeTo
*/
async SetDimensions(uint32_t aFlags, int32_t aX, int32_t aY, int32_t aCx, int32_t aCy);
nested(inside_sync) sync DispatchWheelEvent(WidgetWheelEvent event);
nested(inside_sync) sync DispatchMouseEvent(WidgetMouseEvent event);
nested(inside_sync) sync DispatchKeyboardEvent(WidgetKeyboardEvent event);
async InvokeDragSession(IPCDataTransfer[] transfers, uint32_t action,
OptionalShmem visualData,
uint32_t stride, uint8_t format,
LayoutDeviceIntRect dragRect);
async AudioChannelActivityNotification(uint32_t aAudioChannel,
bool aActive);
// 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 TabChild attempts to use its cross-process compositor
// bridge.
sync EnsureLayersConnected();
/**
* Notify the parent that the session history state has been updated.
*
* @param aCount
* The updated number of entries in child session history
* @param aLocalIndex
* The local session history index which is loaded.
*/
async SHistoryUpdate(uint32_t aCount, uint32_t aLocalIndex, bool aTruncate);
/**
* When the session history is across multiple root docshells, this function
* is used to notify parent that it needs to navigate to an entry out of
* local index of the child.
*
* @param aGlobalIndex The global index of history entry to navigate to.
*/
async RequestCrossBrowserNavigation(uint32_t aGlobalIndex);
child:
/**
* Notify the remote browser that it has been Show()n on this
* side, with the given |visibleRect|. This message is expected
* to trigger creation of the remote browser's "widget".
*
* |Show()| and |Move()| take IntSizes rather than Rects because
* content processes always render to a virtual <0, 0> top-left
* point.
*/
async Show(ScreenIntSize size,
ShowInfo info,
bool parentIsActive,
nsSizeMode sizeMode);
async InitRendering(TextureFactoryIdentifier textureFactoryIdentifier,
uint64_t layersId,
nullable PRenderFrame renderFrame);
async LoadURL(nsCString uri, ShowInfo info);
async UpdateDimensions(CSSRect rect, CSSSize size,
ScreenOrientationInternal orientation,
LayoutDeviceIntPoint clientOffset,
LayoutDeviceIntPoint chromeDisp) compressall;
async SizeModeChanged(nsSizeMode sizeMode);
async SetKeyboardIndicators(UIStateChangeType showAccelerators,
UIStateChangeType showFocusRings);
/**
* StopIMEStateManagement() is called when the process loses focus and
* should stop managing IME state.
*/
async StopIMEStateManagement();
/**
* MenuKeyboardListenerInstalled() is called when menu keyboard listener
* is installed in the parent process.
*/
async MenuKeyboardListenerInstalled(bool aInstalled);
/**
* @see nsIDOMWindowUtils sendMouseEvent.
*/
async MouseEvent(nsString aType,
float aX,
float aY,
int32_t aButton,
int32_t aClickCount,
int32_t aModifiers,
bool aIgnoreRootScrollFrame);
/**
* When two consecutive mouse move events would be added to the message queue,
* they are 'compressed' by dumping the oldest one.
*/
async RealMouseMoveEvent(WidgetMouseEvent event, ScrollableLayerGuid aGuid, uint64_t aInputBlockId) compress;
/**
* 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.
*/
async SynthMouseMoveEvent(WidgetMouseEvent event, ScrollableLayerGuid aGuid, uint64_t aInputBlockId);
async RealMouseButtonEvent(WidgetMouseEvent event, ScrollableLayerGuid aGuid, uint64_t aInputBlockId);
async RealKeyEvent(WidgetKeyboardEvent event, MaybeNativeKeyBinding keyBinding);
async MouseWheelEvent(WidgetWheelEvent event, ScrollableLayerGuid aGuid, uint64_t aInputBlockId);
async RealTouchEvent(WidgetTouchEvent aEvent,
ScrollableLayerGuid aGuid,
uint64_t aInputBlockId,
nsEventStatus aApzResponse);
async HandleTap(TapType aType, LayoutDevicePoint point, Modifiers aModifiers,
ScrollableLayerGuid aGuid, uint64_t aInputBlockId);
async RealTouchMoveEvent(WidgetTouchEvent aEvent,
ScrollableLayerGuid aGuid,
uint64_t aInputBlockId,
nsEventStatus aApzResponse);
async RealDragEvent(WidgetDragEvent aEvent, uint32_t aDragAction, uint32_t aDropEffect);
async PluginEvent(WidgetPluginEvent aEvent);
/**
* @see nsIDOMWindowUtils sendKeyEvent.
*/
async KeyEvent(nsString aType,
int32_t aKeyCode,
int32_t aCharCode,
int32_t aModifiers,
bool aPreventDefault);
async CompositionEvent(WidgetCompositionEvent event);
async SelectionEvent(WidgetSelectionEvent event);
/**
* Call PasteTransferable via a controller on the content process
* to handle the command content event, "pasteTransferable".
*/
async PasteTransferable(IPCDataTransfer aDataTransfer,
bool aIsPrivateData,
Principal aRequestingPrincipal);
/**
* Activate event forwarding from client to parent.
*/
async ActivateFrameEvent(nsString aType, bool capture);
async LoadRemoteScript(nsString aURL, bool aRunInGlobalScope);
/**
* Create a asynchronous request to render whatever document is
* loaded in the child when this message arrives. When the
* request finishes, PDocumentRenderer:__delete__ is sent back to
* this side to notify completion.
*
* |documentRect| is the area of the remote document to draw,
* transformed by |transform|. The rendered area will have the
* default background color |bgcolor|. |renderFlags| are the
* nsIPresShell::RenderDocument() flags to use on the remote side,
* and if true, |flushLayout| will do just that before rendering
* the document. The rendered image will be of size |renderSize|.
*/
async PDocumentRenderer(nsRect documentRect, Matrix transform,
nsString bgcolor,
uint32_t renderFlags, bool flushLayout,
IntSize renderSize);
/**
* 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();
/**
* Update the child side docShell active (resource use) state.
*
* @param aIsActive
* Whether to activate or deactivate the docshell.
* @param aPreserveLayers
* Whether layer trees should be preserved for inactive docshells.
* @param aLayerObserverEpoch
* The layer observer epoch for this activation. This message should be
* ignored if this epoch has already been observed (via ForcePaint).
*/
async SetDocShellIsActive(bool aIsActive, bool aPreserveLayers, uint64_t aLayerObserverEpoch);
/**
* 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);
/**
* The parent (chrome thread) requests that the child inform it when
* the graphics objects are ready to display.
* @see PCompositor
* @see RemotePaintIsReady
*/
async RequestNotifyAfterRemotePaint();
/**
* 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 system theme has changed, and that a repaint
* is necessary.
*/
async ThemeChanged(LookAndFeelInt[] lookAndFeelIntCache);
/**
* 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
* @param modifierMask indicates which accesskey modifiers are pressed
*/
async HandleAccessKey(WidgetKeyboardEvent event,
uint32_t[] charCodes, int32_t modifierMask);
/**
* Propagate a refresh to the child process
*/
async AudioChannelChangeNotification(uint32_t aAudioChannel,
float aVolume,
bool aMuted);
/**
* Tells the root child docShell whether or not to use
* global history. This is sent right after the PBrowser
* is bound to a frameloader element.
*/
async SetUseGlobalHistory(bool aUse);
/**
* HandledWindowedPluginKeyEvent() is always called after posting a native
* key event with OnWindowedPluginKeyEvent().
*
* @param aKeyEventData The key event which was posted to the parent
* process.
* @param aIsConsumed true if aKeyEventData is consumed in the
* parent process. Otherwise, false.
*/
async HandledWindowedPluginKeyEvent(NativeEventData aKeyEventData,
bool aIsConsumed);
/**
* Tell the child to print the current page with the given settings.
*
* @param aOuterWindowID the ID of the outer window to print
* @param aPrintData the serialized settings to print with
*/
async Print(uint64_t aOuterWindowID, 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);
/**
* Called when the session history of this particular PBrowser has been
* attached to a grouped session history.
*
* @param aOffset The number of entries in the grouped session
* history before this session history object.
*/
async NotifyAttachGroupedSHistory(uint32_t aOffset);
/**
* Notify that the session history associated to this PBrowser has become
* the active history in the grouped session history.
*
* @param aGlobalLength The up-to-date number of entries in the grouped
* session history.
* @param aTargetLocalIndex The target local index to navigate to.
*/
async NotifyPartialSHistoryActive(uint32_t aGlobalLength,
uint32_t aTargetLocalIndex);
/**
* Notify that the session history asssociates to this PBrowser has become
* an inactive history in the grouped session history.
*/
async NotifyPartialSHistoryDeactive();
/**
* Tell the TabChild that it should expect a Large-Allocation load to occur.
* Loads which occur until this flag is cleared will not leave the process.
*/
async AwaitLargeAlloc();
/*
* FIXME: write protocol!
state LIVE:
send LoadURL goto LIVE;
//etc.
send Destroy goto DYING;
state DYING:
discard send blah;
// etc.
recv __delete__;
*/
};
}
}