Use ftl::Flags for InputTarget flags
These flags will now be type-safe.
Bug: 211379801
Test: m inputflinger_tests && adb sync data && adb shell -t /data/nativetest64/inputflinger_tests/inputflinger_tests
Change-Id: If1835151df74cfebf39ec3471f826082bea30e26
diff --git a/services/inputflinger/dispatcher/InputTarget.h b/services/inputflinger/dispatcher/InputTarget.h
index b2966f6..61b07fe 100644
--- a/services/inputflinger/dispatcher/InputTarget.h
+++ b/services/inputflinger/dispatcher/InputTarget.h
@@ -16,6 +16,7 @@
#pragma once
+#include <ftl/flags.h>
#include <gui/constants.h>
#include <input/InputTransport.h>
#include <ui/Transform.h>
@@ -30,70 +31,70 @@
* window area.
*/
struct InputTarget {
- enum {
+ enum class Flags : uint32_t {
/* This flag indicates that the event is being delivered to a foreground application. */
- FLAG_FOREGROUND = 1 << 0,
+ FOREGROUND = 1 << 0,
/* This flag indicates that the MotionEvent falls within the area of the target
* obscured by another visible window above it. The motion event should be
* delivered with flag AMOTION_EVENT_FLAG_WINDOW_IS_OBSCURED. */
- FLAG_WINDOW_IS_OBSCURED = 1 << 1,
+ WINDOW_IS_OBSCURED = 1 << 1,
/* This flag indicates that a motion event is being split across multiple windows. */
- FLAG_SPLIT = 1 << 2,
+ SPLIT = 1 << 2,
/* This flag indicates that the pointer coordinates dispatched to the application
* will be zeroed out to avoid revealing information to an application. This is
* used in conjunction with FLAG_DISPATCH_AS_OUTSIDE to prevent apps not sharing
* the same UID from watching all touches. */
- FLAG_ZERO_COORDS = 1 << 3,
+ ZERO_COORDS = 1 << 3,
/* This flag indicates that the event should be sent as is.
* Should always be set unless the event is to be transmuted. */
- FLAG_DISPATCH_AS_IS = 1 << 8,
+ DISPATCH_AS_IS = 1 << 8,
/* This flag indicates that a MotionEvent with AMOTION_EVENT_ACTION_DOWN falls outside
* of the area of this target and so should instead be delivered as an
* AMOTION_EVENT_ACTION_OUTSIDE to this target. */
- FLAG_DISPATCH_AS_OUTSIDE = 1 << 9,
+ DISPATCH_AS_OUTSIDE = 1 << 9,
/* This flag indicates that a hover sequence is starting in the given window.
* The event is transmuted into ACTION_HOVER_ENTER. */
- FLAG_DISPATCH_AS_HOVER_ENTER = 1 << 10,
+ DISPATCH_AS_HOVER_ENTER = 1 << 10,
/* This flag indicates that a hover event happened outside of a window which handled
* previous hover events, signifying the end of the current hover sequence for that
* window.
* The event is transmuted into ACTION_HOVER_ENTER. */
- FLAG_DISPATCH_AS_HOVER_EXIT = 1 << 11,
+ DISPATCH_AS_HOVER_EXIT = 1 << 11,
/* This flag indicates that the event should be canceled.
* It is used to transmute ACTION_MOVE into ACTION_CANCEL when a touch slips
* outside of a window. */
- FLAG_DISPATCH_AS_SLIPPERY_EXIT = 1 << 12,
+ DISPATCH_AS_SLIPPERY_EXIT = 1 << 12,
/* This flag indicates that the event should be dispatched as an initial down.
* It is used to transmute ACTION_MOVE into ACTION_DOWN when a touch slips
* into a new window. */
- FLAG_DISPATCH_AS_SLIPPERY_ENTER = 1 << 13,
-
- /* Mask for all dispatch modes. */
- FLAG_DISPATCH_MASK = FLAG_DISPATCH_AS_IS | FLAG_DISPATCH_AS_OUTSIDE |
- FLAG_DISPATCH_AS_HOVER_ENTER | FLAG_DISPATCH_AS_HOVER_EXIT |
- FLAG_DISPATCH_AS_SLIPPERY_EXIT | FLAG_DISPATCH_AS_SLIPPERY_ENTER,
+ DISPATCH_AS_SLIPPERY_ENTER = 1 << 13,
/* This flag indicates that the target of a MotionEvent is partly or wholly
* obscured by another visible window above it. The motion event should be
* delivered with flag AMOTION_EVENT_FLAG_WINDOW_IS_PARTIALLY_OBSCURED. */
- FLAG_WINDOW_IS_PARTIALLY_OBSCURED = 1 << 14,
-
+ WINDOW_IS_PARTIALLY_OBSCURED = 1 << 14,
};
+ /* Mask for all dispatch modes. */
+ static constexpr const ftl::Flags<InputTarget::Flags> DISPATCH_MASK =
+ ftl::Flags<InputTarget::Flags>() | Flags::DISPATCH_AS_IS | Flags::DISPATCH_AS_OUTSIDE |
+ Flags::DISPATCH_AS_HOVER_ENTER | Flags::DISPATCH_AS_HOVER_EXIT |
+ Flags::DISPATCH_AS_SLIPPERY_EXIT | Flags::DISPATCH_AS_SLIPPERY_ENTER;
+
// The input channel to be targeted.
std::shared_ptr<InputChannel> inputChannel;
// Flags for the input target.
- int32_t flags = 0;
+ ftl::Flags<Flags> flags;
// Scaling factor to apply to MotionEvent as it is delivered.
// (ignored for KeyEvents)