History log of /frameworks/base/include/ui/InputTransport.h
Revision Date Author Comments (<<< Hide modified files) (Show modified files >>>)
fe9f8ab03a63b1037f07dd85799fbea80ec6adaa 07-May-2011 Jeff Brown <jeffbrown@google.com> Add initial API for stylus and mouse buttons.

Added the concept of pointer properties in a MotionEvent.
This is currently used to track the pointer tool type to enable
applications to distinguish finger touches from a stylus.

Button states are also reported to application as part of touch events.

There are no new actions for detecting changes in button states.
The application should instead query the button state from the
MotionEvent and take appropriate action as needed.

A good time to check the button state is on ACTION_DOWN.

As a side-effect, applications that do not support multiple buttons
will treat primary, secondary and tertiary buttons identically
for all touch events.

The back button on the mouse is mapped to KEYCODE_BACK
and the forward button is mapped to KEYCODE_FORWARD.

Added basic plumbing for the secondary mouse button to invoke
the context menu, particularly in lists.

Added clamp and split methods on MotionEvent to take care of
common filtering operations so we don't have them scattered
in multiple places across the framework.

Bug: 4260011
Change-Id: Ie992b4d4e00c8f2e76b961da0a902145b27f6d83
/frameworks/base/include/ui/InputTransport.h
49ed71db425c5054e3ad9526496a7e116c89556b 07-Dec-2010 Jeff Brown <jeffbrown@google.com> Add support for fallback keycodes.

This change enables the framework to synthesize key events to implement
default behavior when an application does not handle a key.
For example, this change enables numeric keypad keys to perform
their associated special function when numlock is off.

The application is informed that it is processing a fallback keypress
so it can choose to ignore it.

Added a new keycode for switching applications.

Added ALT key deadkeys.

New default key mappings:
- ESC -> BACK
- Meta+ESC -> HOME
- Alt+ESC -> MENU
- Meta+Space -> SEARCH
- Meta+Tab -> APP_SWITCH

Fixed some comments.
Fixed some tests.

Change-Id: Id7f3b6645f3a350275e624547822f72652f3defe
/frameworks/base/include/ui/InputTransport.h
3915bb845b032dc184dba5e60970b803390ca3ed 05-Nov-2010 Jeff Brown <jeffbrown@google.com> Tell system server whether the app handled input events.

Refactored ViewRoot, NativeActivity and related classes to tell the
dispatcher whether an input event was actually handled by the application.

This will be used to move more of the global default key processing
into the system server instead of the application.

Change-Id: If06b98b6f45c543e5ac5b1eae2b3baf9371fba28
/frameworks/base/include/ui/InputTransport.h
4fe6c3e51be77e35f40872cdbca6c80f8f8b7ecb 14-Sep-2010 Jeff Brown <jeffbrown@google.com> Replace epoll() with poll() and rename PollLoop to Looper.

As part of this change, consolidated and cleaned up the Looper API so
that there are fewer distinctions between the NDK and non-NDK declarations
(no need for two callback types, etc.).

Removed the dependence on specific constants from sys/poll.h such as
POLLIN. Instead looper.h defines events like LOOPER_EVENT_INPUT for
the events that it supports. That should help make any future
under-the-hood implementation changes easier.

Fixed a couple of compiler warnings along the way.

Change-Id: I449a7ec780bf061bdd325452f823673e2b39b6ae
/frameworks/base/include/ui/InputTransport.h
85a3176704b5bfbeece9bd928369fbb76eec7dc6 02-Sep-2010 Jeff Brown <jeffbrown@google.com> Add support for secure views.

Added the MotionEvent.FLAG_WINDOW_IS_OBSCURED flag which is set by the
input manager whenever another visible window is partly or wholly obscured
the target of a touch event so that applications can filter touches
accordingly.

Added a "filterTouchesWhenObscured" attribute to View which can be used to
enable filtering of touches when the view's window is obscured.

Change-Id: I936d9c85013fd2d77fb296a600528d30a29027d2
/frameworks/base/include/ui/InputTransport.h
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/include/ui/InputTransport.h
d76b67c340d1564abf8d14d976fdaf83bf2b3320 14-Jul-2010 Dianne Hackborn <hackbod@google.com> IME events are now dispatched to native applications.

And also:

- APIs to show and hide the IME, and control its interaction with the app.
- APIs to tell the app when its window resizes and needs to be redrawn.
- API to tell the app the content rectangle of its window (to layout
around the IME or status bar).

There is still a problem with IME interaction -- we need a way for the
app to deliver events to the IME before it handles them, so that for
example the back key will close the IME instead of finishing the app.

Change-Id: I37b75fc2ec533750ef36ca3aedd2f0cc0b5813cd
/frameworks/base/include/ui/InputTransport.h
682674154e3fe88f6061245145f934f25f1a2eb8 03-Jul-2010 Dianne Hackborn <hackbod@google.com> Add new native Looper API.

This allows us to avoid exposing the file descriptor of
the event queue; instead, you attach an event queue to
a looper. This will also should allow native apps to be
written without the need for a separate thread, by attaching
the event queue to the main thread's looper and scheduling
their own messages there.

Change-Id: I38489282635895ae2cbfacb88599c1b1cad9b239
/frameworks/base/include/ui/InputTransport.h
3c80a4a044865bdf1289c7896baffa1c082d835c 30-Jun-2010 Dianne Hackborn <hackbod@google.com> Implement default key handling for native code.

The native code now maintains a list of all keys that may use
default handling. If the app finishes one of these keys
without handling it, the key will be passed back off to Java
for default treatment.

Change-Id: I6a842a0d728eeafa4de7142fae573f8c11099e18
/frameworks/base/include/ui/InputTransport.h
2e9f93e8db509d5236229dc8540e0904c5dbb9f5 29-Jun-2010 Dianne Hackborn <hackbod@google.com> Update native activity & event APIs to follow correct conventions.

Change-Id: Ie64fb3a9c68bc9c117fa5621b75d1f609e304e0e
/frameworks/base/include/ui/InputTransport.h
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/include/ui/InputTransport.h
5c225b1680e696ae8bbf505a1997d6f720672f74 16-Jun-2010 Jeff Brown <jeffbrown@google.com> Even more native input dispatch work in progress.

Added more tests.
Fixed a regression in Vector.
Fixed bugs in pointer tracking.
Fixed a starvation issue in PollLoop when setting or removing callbacks.
Fixed a couple of policy nits.

Modified the internal representation of MotionEvent to be more
efficient and more consistent.

Added code to skip/cancel virtual key processing when there are multiple
pointers down. This helps to better disambiguate virtual key presses
from stray touches (such as cheek presses).

Change-Id: I2a7d2cce0195afb9125b23378baa94fd2fc6671c
/frameworks/base/include/ui/InputTransport.h
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/include/ui/InputTransport.h