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-rw-r--r--core/java/android/provider/Settings.java8
-rw-r--r--services/input/InputReader.cpp35
-rw-r--r--services/input/InputReader.h9
-rw-r--r--services/java/com/android/server/wm/InputManager.java30
-rw-r--r--services/jni/com_android_server_InputManager.cpp34
5 files changed, 104 insertions, 12 deletions
diff --git a/core/java/android/provider/Settings.java b/core/java/android/provider/Settings.java
index 0c791e1..efdb79e 100644
--- a/core/java/android/provider/Settings.java
+++ b/core/java/android/provider/Settings.java
@@ -1738,6 +1738,14 @@ public final class Settings {
public static final String POINTER_LOCATION = "pointer_location";
/**
+ * Show touch positions on screen?
+ * 0 = no
+ * 1 = yes
+ * @hide
+ */
+ public static final String SHOW_TOUCHES = "show_touches";
+
+ /**
* Log raw orientation data from {@link WindowOrientationListener} for use with the
* orientationplot.py tool.
* 0 = no
diff --git a/services/input/InputReader.cpp b/services/input/InputReader.cpp
index 6ff05c9..e39712e 100644
--- a/services/input/InputReader.cpp
+++ b/services/input/InputReader.cpp
@@ -2491,7 +2491,8 @@ void TouchInputMapper::configure(nsecs_t when,
bool resetNeeded = false;
if (!changes || (changes & (InputReaderConfiguration::CHANGE_DISPLAY_INFO
- | InputReaderConfiguration::CHANGE_POINTER_GESTURE_ENABLEMENT))) {
+ | InputReaderConfiguration::CHANGE_POINTER_GESTURE_ENABLEMENT
+ | InputReaderConfiguration::CHANGE_SHOW_TOUCHES))) {
// Configure device sources, surface dimensions, orientation and
// scaling factors.
configureSurface(when, &resetNeeded);
@@ -2681,16 +2682,17 @@ void TouchInputMapper::configureSurface(nsecs_t when, bool* outResetNeeded) {
bool deviceModeChanged;
if (mDeviceMode != oldDeviceMode) {
deviceModeChanged = true;
+ mOrientedRanges.clear();
+ }
- if (mDeviceMode == DEVICE_MODE_POINTER) {
- if (mPointerController == NULL) {
- mPointerController = getPolicy()->obtainPointerController(getDeviceId());
- }
- } else {
- mPointerController.clear();
+ // Create pointer controller if needed.
+ if (mDeviceMode == DEVICE_MODE_POINTER ||
+ (mDeviceMode == DEVICE_MODE_DIRECT && mConfig.showTouches)) {
+ if (mPointerController == NULL) {
+ mPointerController = getPolicy()->obtainPointerController(getDeviceId());
}
-
- mOrientedRanges.clear();
+ } else {
+ mPointerController.clear();
}
bool orientationChanged = mSurfaceOrientation != orientation;
@@ -3380,7 +3382,7 @@ void TouchInputMapper::sync(nsecs_t when) {
cookPointerData();
// Dispatch the touches either directly or by translation through a pointer on screen.
- if (mPointerController != NULL) {
+ if (mDeviceMode == DEVICE_MODE_POINTER) {
for (BitSet32 idBits(mCurrentRawPointerData.touchingIdBits); !idBits.isEmpty(); ) {
uint32_t id = idBits.clearFirstMarkedBit();
const RawPointerData::Pointer& pointer = mCurrentRawPointerData.pointerForId(id);
@@ -3418,6 +3420,17 @@ void TouchInputMapper::sync(nsecs_t when) {
dispatchPointerUsage(when, policyFlags, pointerUsage);
} else {
+ if (mDeviceMode == DEVICE_MODE_DIRECT
+ && mConfig.showTouches && mPointerController != NULL) {
+ mPointerController->setPresentation(PointerControllerInterface::PRESENTATION_SPOT);
+ mPointerController->fade(PointerControllerInterface::TRANSITION_GRADUAL);
+
+ mPointerController->setButtonState(mCurrentButtonState);
+ mPointerController->setSpots(mCurrentCookedPointerData.pointerCoords,
+ mCurrentCookedPointerData.idToIndex,
+ mCurrentCookedPointerData.touchingIdBits);
+ }
+
dispatchHoverExit(when, policyFlags);
dispatchTouches(when, policyFlags);
dispatchHoverEnterAndMove(when, policyFlags);
@@ -3442,7 +3455,7 @@ void TouchInputMapper::sync(nsecs_t when) {
}
void TouchInputMapper::timeoutExpired(nsecs_t when) {
- if (mPointerController != NULL) {
+ if (mDeviceMode == DEVICE_MODE_POINTER) {
if (mPointerUsage == POINTER_USAGE_GESTURES) {
dispatchPointerGestures(when, 0 /*policyFlags*/, true /*isTimeout*/);
}
diff --git a/services/input/InputReader.h b/services/input/InputReader.h
index bad96df..cd3ea37 100644
--- a/services/input/InputReader.h
+++ b/services/input/InputReader.h
@@ -56,6 +56,9 @@ struct InputReaderConfiguration {
// The display size or orientation changed.
CHANGE_DISPLAY_INFO = 1 << 2,
+ // The visible touches option changed.
+ CHANGE_SHOW_TOUCHES = 1 << 3,
+
// All devices must be reopened.
CHANGE_MUST_REOPEN = 1 << 31,
};
@@ -140,6 +143,9 @@ struct InputReaderConfiguration {
// will cover this portion of the display diagonal.
float pointerGestureZoomSpeedRatio;
+ // True to show the location of touches on the touch screen as spots.
+ bool showTouches;
+
InputReaderConfiguration() :
virtualKeyQuietTime(0),
pointerVelocityControlParameters(1.0f, 500.0f, 3000.0f, 3.0f),
@@ -155,7 +161,8 @@ struct InputReaderConfiguration {
pointerGestureSwipeTransitionAngleCosine(0.2588f), // cosine of 75 degrees
pointerGestureSwipeMaxWidthRatio(0.25f),
pointerGestureMovementSpeedRatio(0.8f),
- pointerGestureZoomSpeedRatio(0.3f) { }
+ pointerGestureZoomSpeedRatio(0.3f),
+ showTouches(false) { }
bool getDisplayInfo(int32_t displayId, bool external,
int32_t* width, int32_t* height, int32_t* orientation) const;
diff --git a/services/java/com/android/server/wm/InputManager.java b/services/java/com/android/server/wm/InputManager.java
index c8b18c8..60333a3 100644
--- a/services/java/com/android/server/wm/InputManager.java
+++ b/services/java/com/android/server/wm/InputManager.java
@@ -94,6 +94,7 @@ public class InputManager implements Watchdog.Monitor {
private static native boolean nativeTransferTouchFocus(InputChannel fromChannel,
InputChannel toChannel);
private static native void nativeSetPointerSpeed(int speed);
+ private static native void nativeSetShowTouches(boolean enabled);
private static native String nativeDump();
private static native void nativeMonitor();
@@ -147,7 +148,10 @@ public class InputManager implements Watchdog.Monitor {
nativeStart();
registerPointerSpeedSettingObserver();
+ registerShowTouchesSettingObserver();
+
updatePointerSpeedFromSettings();
+ updateShowTouchesFromSettings();
}
public void setDisplaySize(int displayId, int width, int height,
@@ -454,6 +458,32 @@ public class InputManager implements Watchdog.Monitor {
return speed;
}
+ public void updateShowTouchesFromSettings() {
+ int setting = getShowTouchesSetting(0);
+ nativeSetShowTouches(setting != 0);
+ }
+
+ private void registerShowTouchesSettingObserver() {
+ mContext.getContentResolver().registerContentObserver(
+ Settings.System.getUriFor(Settings.System.SHOW_TOUCHES), true,
+ new ContentObserver(mWindowManagerService.mH) {
+ @Override
+ public void onChange(boolean selfChange) {
+ updateShowTouchesFromSettings();
+ }
+ });
+ }
+
+ private int getShowTouchesSetting(int defaultValue) {
+ int result = defaultValue;
+ try {
+ result = Settings.System.getInt(mContext.getContentResolver(),
+ Settings.System.SHOW_TOUCHES);
+ } catch (SettingNotFoundException snfe) {
+ }
+ return result;
+ }
+
public void dump(PrintWriter pw) {
String dumpStr = nativeDump();
if (dumpStr != null) {
diff --git a/services/jni/com_android_server_InputManager.cpp b/services/jni/com_android_server_InputManager.cpp
index f2a0a71..0a723e8 100644
--- a/services/jni/com_android_server_InputManager.cpp
+++ b/services/jni/com_android_server_InputManager.cpp
@@ -179,6 +179,7 @@ public:
void setInputDispatchMode(bool enabled, bool frozen);
void setSystemUiVisibility(int32_t visibility);
void setPointerSpeed(int32_t speed);
+ void setShowTouches(bool enabled);
/* --- InputReaderPolicyInterface implementation --- */
@@ -233,6 +234,9 @@ private:
// True if pointer gestures are enabled.
bool pointerGesturesEnabled;
+ // Show touches feature enable/disable.
+ bool showTouches;
+
// Sprite controller singleton, created on first use.
sp<SpriteController> spriteController;
@@ -276,6 +280,7 @@ NativeInputManager::NativeInputManager(jobject contextObj,
mLocked.systemUiVisibility = ASYSTEM_UI_VISIBILITY_STATUS_BAR_VISIBLE;
mLocked.pointerSpeed = 0;
mLocked.pointerGesturesEnabled = true;
+ mLocked.showTouches = false;
}
sp<EventHub> eventHub = new EventHub();
@@ -431,6 +436,8 @@ void NativeInputManager::getReaderConfiguration(InputReaderConfiguration* outCon
* POINTER_SPEED_EXPONENT);
outConfig->pointerGesturesEnabled = mLocked.pointerGesturesEnabled;
+ outConfig->showTouches = mLocked.showTouches;
+
outConfig->setDisplayInfo(0, false /*external*/,
mLocked.displayWidth, mLocked.displayHeight, mLocked.displayOrientation);
outConfig->setDisplayInfo(0, true /*external*/,
@@ -678,6 +685,22 @@ void NativeInputManager::setPointerSpeed(int32_t speed) {
InputReaderConfiguration::CHANGE_POINTER_SPEED);
}
+void NativeInputManager::setShowTouches(bool enabled) {
+ { // acquire lock
+ AutoMutex _l(mLock);
+
+ if (mLocked.showTouches == enabled) {
+ return;
+ }
+
+ LOGI("Setting show touches feature to %s.", enabled ? "enabled" : "disabled");
+ mLocked.showTouches = enabled;
+ } // release lock
+
+ mInputManager->getReader()->requestRefreshConfiguration(
+ InputReaderConfiguration::CHANGE_SHOW_TOUCHES);
+}
+
bool NativeInputManager::isScreenOn() {
return android_server_PowerManagerService_isScreenOn();
}
@@ -1276,6 +1299,15 @@ static void android_server_InputManager_nativeSetPointerSpeed(JNIEnv* env,
gNativeInputManager->setPointerSpeed(speed);
}
+static void android_server_InputManager_nativeSetShowTouches(JNIEnv* env,
+ jclass clazz, jboolean enabled) {
+ if (checkInputManagerUnitialized(env)) {
+ return;
+ }
+
+ gNativeInputManager->setShowTouches(enabled);
+}
+
static jstring android_server_InputManager_nativeDump(JNIEnv* env, jclass clazz) {
if (checkInputManagerUnitialized(env)) {
return NULL;
@@ -1343,6 +1375,8 @@ static JNINativeMethod gInputManagerMethods[] = {
(void*) android_server_InputManager_nativeTransferTouchFocus },
{ "nativeSetPointerSpeed", "(I)V",
(void*) android_server_InputManager_nativeSetPointerSpeed },
+ { "nativeSetShowTouches", "(Z)V",
+ (void*) android_server_InputManager_nativeSetShowTouches },
{ "nativeDump", "()Ljava/lang/String;",
(void*) android_server_InputManager_nativeDump },
{ "nativeMonitor", "()V",
generated by cgit v1.1 at 2025-08-16 01:32:28 +0000