Declare a new method, Display.getState() to retrieve the actual
power state of a display.
Improved documentation for Intent.ACTION_SCREEN_ON and
Intent.ACTION_SCREEN_OFF to clarify what they really mean in
terms of the interactive state of the device.
Deprecated PowerManager.isScreenOn() and replaced it with
PowerManager.isInteractive() with a more suggestive name and
better documentation.
Redirect display power state changes to go through the display
manager first and only then head over to the power manager for
legacy compatibility.
Eliminated the bright here and woke here policy flags since they
were unused. Simplified the input dispatch policy somewhat.
Ensure that screen wake locks are respected up until the point
when dozing really begins.
Fixed a regression in DreamService where onDreamingStarted
might be called before onWindowAttached.
Bug: 13133142
Bug: 13472578
Bug: 13929355
Bug: 13760290
Change-Id: Iabef96921dd554ce3768fb18619cefc3230b5fb0
Instead of posting onDreamingStarted() to a handler from attach(), do
the work immediately. This ensures that the dream is actually in the
expected state when the callback runs. Previously it was possible
for the callback to run after detach() occurred which could cause
exceptions and unexpected behavior. As it happens, there's no need
to post this callback since attach() already runs on the UI thread.
Handle certain races involving the window token lifecycle a little
better. When the dream manager shuts down a dream, it removes the
window token. This can happen before the dream completes its attach()
phase in which case a BadTokenException is thrown. We now handle this
exception and abort the dream in anticipation of receiving a request
to finish it immediately.
Add a safeguard to getDozeHardware() to handle the case where it
might inadvertently be called at the wrong point in the lifecycle.
Bug: 13475612
Bug: 13760290
Change-Id: I9bc9c154370d08d7727b568d398c460a38592099
This adds a new window feature -- FEATURE_SWIPE_TO_DISMISS -- and a
theme attribute to activate that feature. When the feature is
activated, a SwipeDismissLayout is inflated as the DecorView layout.
SwipeDismissLayout intercepts touch events and steals ones that are
large swipes to the right if its children don't. PhoneWindow registers
handlers that listen for these swipe events, translate the window when
necessary, and finish the activity at the end of the gesture.
Change-Id: I512e758f3c3ffd3b353dba3b911c0e80a88d6f5f
When a doze component has been specified in a config.xml resource
overlay, the power manager will try to start a preconfigured dream
whenever it would have otherwise gone to sleep and turned the
screen off. The dream should render whatever it intends to show
then call startDozing() to tell the power manager to put the display
into a low power "doze" state and allow the application processor
to be suspended. The dream may wake up periodically using the
alarm manager or other features to update the contents of the display.
Added several new config.xml resources related to dreams and dozing.
In particular for dozing there are two new resources that pertain to
decoupling auto-suspend mode and interactive mode from the display
state. This is a requirement to enable the application processor
and other components to be suspended while dozing. Most devices
do not support these features today.
Consolidated the power manager's NAPPING and DREAMING states into one
to simplify the logic. The NAPPING state was mostly superfluous
and simply indicated that the power manager should attempt to start
a new dream. This state is now tracked in the mSandmanSummoned field.
Added a new DOZING state which is analoguous to DREAMING. The normal
state transition is now: AWAKE -> DREAMING -> DOZING -> ASLEEP.
The PowerManager.goToSleep() method now enters the DOZING state instead
of immediately going to sleep.
While in the doze state, the screen remains on. However, we actually
tell the rest of the system that the screen is off. This is somewhat
unfortunate but much of the system makes inappropriate assumptions
about what it means for the screen to be on or off. In particular,
screen on is usually taken to indicate an interactive state where
the user is present but that's not at all true for dozing (and is
only sometimes true while dreaming). We will probably need to add
some more precise externally visible states at some point.
The DozeHardware interface encapsulates a generic microcontroller
interface to allow a doze dream for off-loading rendering or other
functions while dozing. If the device possesses an MCU HAL for dozing
then it is exposed to the DreamService here.
Removed a number of catch blocks in DreamService that caught Throwable
and attempted to cause the dream to finish itself. We actually just
want to let the process crash. Cleanup will happen automatically if
needed. Catching these exceptions results in mysterious undefined
behavior and broken dreams.
Bug: 12494706
Change-Id: Ie78336b37dde7250d1ce65b3d367879e3bfb2b8b
Check explicitly for null listeners in NMS, throwing
IllegalArgumentException (on the small list of exceptions
that survive RPC boundaries) with a message.
Normally this situation is caused by listeners that attempt to
perform NM-related actions before they are bound. Check for
this case in the base NLS class and avoid the call to NM if we
know it will fail.
Although it's tempting to throw an IllegalStateException on the
client side, preserve the existing semantics for backwards-compatibility
purposes. That is, silently fail (or return null) - and provide a
log warning.
Bug:12805707
Change-Id: I0d92fd0d460a8592e8a23fd8fd718ae2ba3bd4c7
turns out, without parameters, javadoc will link to the best matching
method signature, even if it's from the superclass. So these were pointing
to Object.nofify()
Change-Id: I13688f2b65e898d1f000a34c88d0aaed928884b5
- Wrap all public member variables in getters and make
slots private
- Rename clear* methods to cancel* to be more consistent
with existing public Notification API
Bug: 8656860
Change-Id: I84f7e71fbb627f859352a93089c6a531b44dac95
This allows a listener service to catch up on the current
state of the notification panel at any time, including at
startup.
Bug: 8656860
Change-Id: I1a3d665d84576e17870929a63dda334afc696010
Protip: Don't mess with Bundles after you've sent them off
for parceling in an RPC.
Note that this change reduces the payload size of
StatusBarNotification objects received in
onNotificationRemoved() callbacks; it scrubs out the
RemoteViews and Bitmaps just as the NoMan's internal archive
does. [You don't really need that information anyway when
hearing about a removed notification; most likely all you
need are the other slots on StatusBarNotification, but
nulling the whole Notification object breaks a lot of
clients.]
Bug: 8616295
Change-Id: Ic899045f2352b96dcf064d3e9e51dad52629aea3
Redesigned how ViewRootImpl delivers input events to views,
the IME and to native activities to fix several issues.
The prior change to make IME input event delegation use
InputChannels failed to take into account that InputMethodManager
is a singleton attached to the main looper whereas UI may be
attached to any looper. Consequently interactions with the
InputChannel might occur on the wrong thread. Fixed this
problem by checking the current thread and posting input
events or callbacks to the correct looper when necessary.
NativeActivity has also been broken for a while because the
default event handling logic for joysticks and touch navigation
was unable to dispatch events back into the native activity.
In particular, this meant that DPad synthesis from touch navigation
would not work in any native activity. The plan is to fix
this problem by passing all events through ViewRootImpl as usual
then forwarding them to native activity as needed. This should
greatly simplify IME pre-dispatch and system key handling
and make everything more robust overall.
Fixed issues related to when input events are synthesized.
In particular, added a more robust mechanism to ensure that
synthetic events are canceled appropriately when we discover
that events are no longer being resynthesized (because the
application or IME is handling or dropping them).
The new design is structured as a pipeline with a chain of
responsibility consisting of InputStage objects. Each InputStage
is responsible for some part of handling each input event
such as dispatching to the view hierarchy or to the IME.
As a stage processes an input event, it has the option of
finishing the event, forwarding the event to the next stage
or handling the event asynchronously. Some queueing logic
takes care to ensure that events are forwarded downstream in
the correct order even if they are handled out of order
by a given stage.
Cleaned up the InputMethodManager singleton initialization logic
to make it clearer that it must be attached to the main looper.
We don't actually need to pass this looper around.
Deleted the LatencyTimer class since no one uses it and we have
better ways of measuring latency these days using systrace.
Added a hidden helper to Looper to determine whether the current
thread is the indicated Looper thread.
Note: NativeActivity's IME dispatch is broken by this patch.
This will be fixed later in another patch.
Bug: 8473020
Change-Id: Iac2a1277545195a7a0137bbbdf04514c29165c60
This is the best and only way for apps to listen for
notifications: create a NotificationListenerService, wait
for the NoMan to bind to you (as a result of the user
checking a box somewhere in Settings and agreeing to a
scary dialog box), and you'll start receiving notification
posted and dismissed callbacks. Your service, while enabled,
will also be able to clear one or all notifications.
Use this power wisely.
This change moves StatusBarNotification out of
com.android.internal into android.service.notification.
[Internal customers, including System UI and early users of
the system-only listener binder API, will need to be
updated.]
Bug: 8199624
Change-Id: I1be46f823d4b3ddc901109ec1e085cd6deb740c2
The window manager now maintains and reports a new formal
"overscan insets" for each window, much like the existing
content and visible insets. This is used to correctly
position the various UI elements in the various combination
of layout options. In particular, this allows us to have
an activity that is using fitSystemWindows to have the content
of its UI extend out to the visible content part of the screen
while still positioning its fixed UI elements inside the
standard content rect (and the entire window extending all
the way into the overscan area to fill the screen as desired).
Okay, maybe that is not written so clearly. Well, it made
my head hurt too, so suffer!
The key thing is that windows now need to know about three
rectangles: the overall rectangle of the window, the rectangle
inside of the overscan area, and the rectangle inside of the
content area. The FLAG_LAYOUT_IN_OVERSCAN option controls
whether the second rectangle is pushed out to fill the entire
overscan area.
Also did some improvements to debug dumping in the window
manager.
Change-Id: Ib2368c4aff5709d00662c799507c37b6826929fd
Improves the throughput of IME event handling by ensuring that
input events do not get serialized behind UI traversal and
drawing messages such as when the UI is animating.
Added support for creating an asynchronous Handler as part of a
HandlerCaller. It turns out we should be using an asynchronous
Handler not only in IME dispatch but also in accessibility and
wallpaper events where HandlerCaller is used. So fixed those
services to also use an asynchronous Handler.
Change-Id: I0b19140c9d5ca6ee300c1a150c48312fd55ed8eb
ImageWallpaper runs on the main thread now and doesn't need to add
callbacks on different threads or lock against concurrent access.
Bug 7326921 fixed.
Change-Id: I6097e1dff8af743a4fb81b697efee0e02667125b
So that:
- the values can be shared (to fix assoc bug)
- the values can be customized in product overlays
Bug:7373284
Change-Id: I37f037082523a3d975f6014f36afa28c60117372
Fixes a black flash that occurred when the device was docked
because the UiModeManagerService was launching the Somnambulator
to start the dream when docked. This caused an unnecessary
activity transition and could in fact make dreaming less
reliable than if the UiModeManagerService started the dream itself.
Moved common code from UiModeManagerService and Somnambulator
to Sandman to ensure it is kept in sync.
Bug: 7328545
Change-Id: I46102784e2ab1acc0241d43a48abf0581278af24
7296314 Crashing dreams are stuck
7296510 Transition from lock screen to dreaming is really bad
The window layer for dreams is now moved down below the keyguard,
so that some of the expected stuff like crash and ANR dialogs can
be seen on top of them. While doing this, I reorganized how we
define the layers so the constants are just in the switch statement,
so it is much less crazy-making trying to read how things go
together.
We now have some special cases for when a dream is being shown
to turn off its animation if the keyguard is currently shown.
Since we know it will be hiding the keyguard we need it to be
shown immediately so that you don't see whatever is behind it.
Cleaned up some handling of when the lock screen is displayed
while a FLAG_SHOW_WHEN_LOCKED window is displayed, so that the
lockscreen doesn't transiently get shown and mess up the fullscreen
or system UI state. This also fixes problems with any normal
activity that is doing this.
Hid the methods on DreamService for setting lights out mode. It
doesn't make sense to have such methods on DreamService, because
you can just as well do that on your own View that is showing the
dream content, and when you can do that you can fully participate
in the (required) interactions about it such as being told when
the mode goes away.
The DreamService method for going fullscreen now uses the window
flag for doing this, which is what you want, because you want this
state to persistent on that window and not get knocked out if
something above the window tickles the system UI state.
Also fixed the problem where dreams that hid the status bar would
have a jerky animation when going away, since they were causing the
activity behind them to be layed out without the lock screen. This
is a kind-of ugly special case in the window manager right now to
just not layout windows that are behind a dream. Good enough for MR1.
Change-Id: Ied2ab86ae068b1db0ff5973882f6d17b515edbcd
Reduce reliance on Service interface overrides, instead
steering clients to the DreamService-specific lifecycle
hooks:
onAttachedToWindow .. onDreamingStarted ..
onDreamingStopped .. onDetachedFromWindow
The old Dream.java is finally gone now too.
Bug: 7281802
Change-Id: Ib7802c3397fde60ad1132fa49831da182eef4d7a
Reflect the new intent-filter protocol, and add a bit about <dream>.
Also escape xml so it's visible in generated html.
Bug:7256474
Change-Id: Id270eeb70601b492458834f19216801b428af4cb
Clearly isolated the DreamManagerService and DreamController
responsibilities. DreamManagerService contains just enough logic to
manage the global synchronous behaviors. All of the asynchronous
behaviors are in DreamController.
Added a new PowerManager function called nap() to request the device
to start napping. If it is a good time to nap, then the
PowerManagerService will call startDream() on the DreamManagerService
to start dreaming.
Fixed a possible multi-user issue by explicitly tracking for
which user a dream service is being started and stopping dreams
when the current user changes. The user id is also passed to
bindService() to ensure that the dream has the right environment.
Fix interactions with docks and the UI mode manager. It is
important that we always send the ACTION_DOCK_EVENT broadcast
to the system so that it can configure audio routing and the like.
When docked, the UI mode manager starts a dock app if there is
one, otherwise it starts a dream.
This change resolves issues with dreams started for reasons other
than a user activity timeout.
Bug: 7204211
Change-Id: I3193cc8190982c0836319176fa2e9c4dcad9c01f
Removed old metadata key for dream settings activity, now defined in attrs.xml.
Also took this opportunity to remove Dream#lightsOut.
Bug:7172816
Bug:7211867
Change-Id: Ied18a527d2dc2aacc19d7a9543f090653232f0ed
- lightsOut() -> setLightsOut(boolean)
(deprecated lightsOut, will remove once all baked-in dreams are updated)
- Added ability to keep the screen bright (default = false).
- Lights out is now true by default.
- Consistent setters(setXxx) + getters(isXxx) for
interactive, lightsOut, fullscreen, and screenBright dream attributes.
Can set attributes at any time (even before window is created).
- Fleshed out javadocs for public api.
- Reordered things a bit.
- Added example of manifest dream declaration ready for copypasta.
- Removed unused action constant, added category constant.
Bug:7172816
Bug:7111868
Change-Id: I721db7a1a5e5ad047a3723b4d5141ef53b0970af
Dream manager now fires broadcast intents when entering + exiting
dreamland (except when testing).
Power manager can now listen for dreams ending, using polling only
as a backstop.
Also:
- Bullet-proof dream-manager/dream against known failure modes
- Add new read/write dream permissions
- Refactor dream-manager to delegate work + state management into
a new DreamController class, via a handler
Bug:6999949
Bug:7152024
Change-Id: I986bb7812209d8c95ae1d660a5eee5998a7b08b1
- New public APIs to find out when a user goes to the foreground,
background, and is first initializing.
- New activity manager callback to be involved in the user switch
process, allowing other services to let it know when it is safe
to stop freezing the screen.
- Wallpaper service now implements this to handle its user switch,
telling the activity manager when it is done. (Currently this is
only handling the old wallpaper going away, we need a little more
work to correctly wait for the new wallpaper to get added.)
- Lock screen now implements the callback to do its user switch. It
also now locks itself when this happens, instead of relying on
some other entity making sure it is locked.
- Pre-boot broadcasts now go to all users.
- WallpaperManager now has an API to find out if a named wallpaper is
in use by any users.
Change-Id: I27877aef1d82126c0a1428c3d1861619ee5f8653
Dream settings are stored per-user, so dream manager operations
must act according to the calling or current user.
Bug:7041514
Change-Id: I4a0bbbd76886e6440b1afd89c61af5f4569b0e18
Should not happen (except for early dogfooders with a specific build),
but handle gracefully as we do elsewhere in dream manager.
To test:
adb shell sqlite3 \
/data/data/com.android.providers.settings/databases/settings.db \
"delete from secure where name = 'screensaver_components'"
Pre-fix workaround:
adb shell sqlite3 \
/data/data/com.android.providers.settings/databases/settings.db \
"insert into secure(name, value) values ('screensaver_components', \
'com.google.android.deskclock/com.android.deskclock.Screensaver')"
Change-Id: I2cf39608c8dd5011f6a00deece95eb6554da5173
Split WindowManagerImpl into two parts, the WindowManager
interface implementation remains where it is but the global
communications with the window manager are now handled by
the WindowManagerGlobal class. This change greatly simplifies
the challenge of having separate WindowManager instances
for each Context.
Removed WindowManagerImpl.getDefault(). This represents the
bulk of this change. Most of the usages of this method were
either to perform global functions (now handled by WindowManagerGlobal)
or to obtain the default display (now handled by DisplayManager).
Explicitly associate each new window with a display and make
the Display object available to the View hierarchy.
Add stubs for some new display manager API features.
Start to split apart the concepts of display id and layer stack.
since they operate at different layers of abstraction.
While it's true that each logical display uniquely corresponds to a
surface flinger layer stack, it is not necessarily the case that
they must use the same ids. Added Display.getLayerStack()
and started using it in places where it was relatively easy to do.
Change-Id: I29ed909114dec86807c4d3a5059c3fa0358bea61
