History log of /frameworks/base/core/java/android/view/InputChannel.java
Revision Date Author Comments (<<< Hide modified files) (Show modified files >>>)
a931d5218cfee89c7629ffa6cde324fa966449f9 08-Jan-2014 Ashok Bhat <ashok.bhat@arm.com> AArch64: Use long for pointers in view/input classes

For storing pointers, long is used in view/input classes,
as native pointers can be 64-bit.

In addition, some minor changes have been done
to conform with standard JNI practice (e.g. use
of jint instead of int in JNI function prototypes)

Change-Id: Iafda9f4653c023bcba95b873637d935d0b569f5d
Signed-off-by: Ashok Bhat <ashok.bhat@arm.com>
Signed-off-by: Marcus Oakland <marcus.oakland@arm.com>
Signed-off-by: Kévin PETIT <kevin.petit@arm.com>
/frameworks/base/core/java/android/view/InputChannel.java
1951ce86c21445ac191e4d2d95233f4f5c096b56 05-Apr-2013 Jeff Brown <jeffbrown@google.com> Correctly manage the lifecycle of IME InputChannels.

InputChannels are normally duplicated when sent to a remote process
over Binder but this does not happen if the recipient is running within
the system server process. This causes problems for KeyGuard because the
InputMethodManagerService may accidentally dispose the channel
that KeyGuard is using.

Fixed the lifecycle of InputChannels that are managed by the IME
framework. We now return a duplicate of the channel to the application
and then take care to dispose of the duplicate when necessary.
In particular, InputBindResult disposes its InputChannel automatically
when returned through Binder (using PARCELABLE_WRITE_RETURN_VALUE).

Bug: 8493879
Change-Id: I08ec3d13268c76f3b56706b4523508bcefa3be79
/frameworks/base/core/java/android/view/InputChannel.java
c28867a1d67121ce5963de135e3ae2b1dbd9a33d 26-Mar-2013 Jeff Brown <jeffbrown@google.com> Use input transport for communications between app and IME.

The input method manager service now supplies an input channel for
communication while creating an IME session on behalf of the
application.

This change significanly reduces the overhead of IME event dispatch
by using a standard input channel to send input events rather than
using binder. This results in fewer thread context switches
and fewer object allocations.

What's more, the IME may perform additional batching of the motion
events that it receives which may help it catch up if it is
getting behind while processing them.

Bug: 7984576
Bug: 8473020
Change-Id: Ibe26311edd0060cdcae80194f1753482e635786f
/frameworks/base/core/java/android/view/InputChannel.java
0a0ab128a65900a23f1018a14f5cbecec6443dd3 13-Aug-2011 Jeff Brown <jeffbrown@google.com> Use PARCELABLE_WIRTE_RETURN_VALUE flag in InputChannel.
Bug: 5161290

Replace mDisposeAfterWriteToParcel with code that takes advantage
of the standard Parcel API support for releasing resources after
writing a Binder reply.

This change makes it less likely that InputChannels will leak
accidentally when passed across a Binder.

Change-Id: Id37706e7b88d074e8e4ac687c88f0db8963200f2
/frameworks/base/core/java/android/view/InputChannel.java
c5ed5910c9ef066cec6a13bbb404ec57b1e92637 15-Jul-2010 Jeff Brown <jeffbrown@google.com> Add support for new input sources.

Added several new coordinate values to MotionEvents to capture
touch major/minor area, tool major/minor area and orientation.

Renamed NDK input constants per convention.

Added InputDevice class in Java which will eventually provide
useful information about available input devices.

Added APIs for manufacturing new MotionEvent objects with multiple
pointers and all necessary coordinate data.

Fixed a bug in the input dispatcher where it could get stuck with
a pointer down forever.

Fixed a bug in the WindowManager where the input window list could
end up containing stale removed windows.

Fixed a bug in the WindowManager where the input channel was being
removed only after the final animation transition had taken place
which caused spurious WINDOW DIED log messages to be printed.

Change-Id: Ie55084da319b20aad29b28a0499b8dd98bb5da68
/frameworks/base/core/java/android/view/InputChannel.java
a95e4cb62f3642cb190d032dbf7dc40d9ecc6973 19-Jun-2010 Dianne Hackborn <hackbod@google.com> First stab at attaching native event dispatching.

Provides the basic infrastructure for a
NativeActivity's native code to get an object representing
its event stream that can be used to read input events.

Still work to do, probably some API changes, and reasonable
default key handling (so that for example back will still
work).

Change-Id: I6db891bc35dc9683181d7708eaed552b955a077e
/frameworks/base/core/java/android/view/InputChannel.java
7fbdc84e87dd3a0e196b9803bb04495d11e9cb8a 18-Jun-2010 Jeff Brown <jeffbrown@google.com> More native input event dispatching.

Added ANRs handling.
Added event injection.
Fixed a NPE ActivityManagerServer writing ANRs to the drop box.
Fixed HOME key interception.
Fixed trackball reporting.
Fixed pointer rotation in landscape mode.

Change-Id: I50340f559f22899ab924e220a78119ffc79469b7
/frameworks/base/core/java/android/view/InputChannel.java
46b9ac0ae2162309774a7478cd9d4e578747bfc2 23-Apr-2010 Jeff Brown <jeffbrown@google.com> Native input dispatch rewrite work in progress.

The old dispatch mechanism has been left in place and continues to
be used by default for now. To enable native input dispatch,
edit the ENABLE_NATIVE_DISPATCH constant in WindowManagerPolicy.

Includes part of the new input event NDK API. Some details TBD.

To wire up input dispatch, as the ViewRoot adds a window to the
window session it receives an InputChannel object as an output
argument. The InputChannel encapsulates the file descriptors for a
shared memory region and two pipe end-points. The ViewRoot then
provides the InputChannel to the InputQueue. Behind the
scenes, InputQueue simply attaches handlers to the native PollLoop object
that underlies the MessageQueue. This way MessageQueue doesn't need
to know anything about input dispatch per-se, it just exposes (in native
code) a PollLoop that other components can use to monitor file descriptor
state changes.

There can be zero or more targets for any given input event. Each
input target is specified by its input channel and some parameters
including flags, an X/Y coordinate offset, and the dispatch timeout.
An input target can request either synchronous dispatch (for foreground apps)
or asynchronous dispatch (fire-and-forget for wallpapers and "outside"
targets). Currently, finding the appropriate input targets for an event
requires a call back into the WindowManagerServer from native code.
In the future this will be refactored to avoid most of these callbacks
except as required to handle pending focus transitions.

End-to-end event dispatch mostly works!

To do: event injection, rate limiting, ANRs, testing, optimization, etc.

Change-Id: I8c36b2b9e0a2d27392040ecda0f51b636456de25
/frameworks/base/core/java/android/view/InputChannel.java