Move utility functions related to isFromSource to Input.h

Moving following function to a common file to avoid duplication.
1. isStylusHoverEvent
2. isFromMouse
3. isFromTouchpad
4. isFromDrawingTablet
5. isHoverAction
6. isMouseOrTouchpad

Test: atest inputflinger_tests
Bug: 245989146
Flag: EXEMPT refactor
Change-Id: I9538646f126e792897c525e7e698f6acde4aaa22

Author: Arpit Singh

include/input/Input.h

@@ -316,6 +316,19 @@ struct PointerProperties;
 
 bool isStylusEvent(uint32_t source, const std::vector<PointerProperties>& properties);
 
+bool isStylusHoverEvent(uint32_t source, const std::vector<PointerProperties>& properties,
+                        int32_t action);
+
+bool isFromMouse(uint32_t source, ToolType tooltype);
+
+bool isFromTouchpad(uint32_t source, ToolType tooltype);
+
+bool isFromDrawingTablet(uint32_t source, ToolType tooltype);
+
+bool isHoverAction(int32_t action);
+
+bool isMouseOrTouchpad(uint32_t sources);
+
 /*
  * Flags that flow alongside events in the input dispatch system to help with certain
  * policy decisions such as waking from device sleep.

libs/input/Input.cpp

@@ -284,6 +284,36 @@ bool isStylusEvent(uint32_t source, const std::vector<PointerProperties>& proper
     return false;
 }
 
+bool isStylusHoverEvent(uint32_t source, const std::vector<PointerProperties>& properties,
+                        int32_t action) {
+    return isStylusEvent(source, properties) && isHoverAction(action);
+}
+
+bool isFromMouse(uint32_t source, ToolType toolType) {
+    return isFromSource(source, AINPUT_SOURCE_MOUSE) && toolType == ToolType::MOUSE;
+}
+
+bool isFromTouchpad(uint32_t source, ToolType toolType) {
+    return isFromSource(source, AINPUT_SOURCE_MOUSE) && toolType == ToolType::FINGER;
+}
+
+bool isFromDrawingTablet(uint32_t source, ToolType toolType) {
+    return isFromSource(source, AINPUT_SOURCE_MOUSE | AINPUT_SOURCE_STYLUS) &&
+            isStylusToolType(toolType);
+}
+
+bool isHoverAction(int32_t action) {
+    return action == AMOTION_EVENT_ACTION_HOVER_ENTER ||
+            action == AMOTION_EVENT_ACTION_HOVER_MOVE || action == AMOTION_EVENT_ACTION_HOVER_EXIT;
+}
+
+bool isMouseOrTouchpad(uint32_t sources) {
+    // Check if this is a mouse or touchpad, but not a drawing tablet.
+    return isFromSource(sources, AINPUT_SOURCE_MOUSE_RELATIVE) ||
+            (isFromSource(sources, AINPUT_SOURCE_MOUSE) &&
+             !isFromSource(sources, AINPUT_SOURCE_STYLUS));
+}
+
 VerifiedKeyEvent verifiedKeyEventFromKeyEvent(const KeyEvent& event) {
     return {{VerifiedInputEvent::Type::KEY, event.getDeviceId(), event.getEventTime(),
              event.getSource(), event.getDisplayId()},

services/inputflinger/PointerChoreographer.cpp

@@ -36,37 +36,6 @@ namespace android {
 
 namespace {
 
-bool isFromMouse(const NotifyMotionArgs& args) {
-    return isFromSource(args.source, AINPUT_SOURCE_MOUSE) &&
-            args.pointerProperties[0].toolType == ToolType::MOUSE;
-}
-
-bool isFromTouchpad(const NotifyMotionArgs& args) {
-    return isFromSource(args.source, AINPUT_SOURCE_MOUSE) &&
-            args.pointerProperties[0].toolType == ToolType::FINGER;
-}
-
-bool isFromDrawingTablet(const NotifyMotionArgs& args) {
-    return isFromSource(args.source, AINPUT_SOURCE_MOUSE | AINPUT_SOURCE_STYLUS) &&
-            isStylusToolType(args.pointerProperties[0].toolType);
-}
-
-bool isHoverAction(int32_t action) {
-    return action == AMOTION_EVENT_ACTION_HOVER_ENTER ||
-            action == AMOTION_EVENT_ACTION_HOVER_MOVE || action == AMOTION_EVENT_ACTION_HOVER_EXIT;
-}
-
-bool isStylusHoverEvent(const NotifyMotionArgs& args) {
-    return isStylusEvent(args.source, args.pointerProperties) && isHoverAction(args.action);
-}
-
-bool isMouseOrTouchpad(uint32_t sources) {
-    // Check if this is a mouse or touchpad, but not a drawing tablet.
-    return isFromSource(sources, AINPUT_SOURCE_MOUSE_RELATIVE) ||
-            (isFromSource(sources, AINPUT_SOURCE_MOUSE) &&
-             !isFromSource(sources, AINPUT_SOURCE_STYLUS));
-}
-
 inline void notifyPointerDisplayChange(std::optional<std::tuple<ui::LogicalDisplayId, vec2>> change,
                                        PointerChoreographerPolicyInterface& policy) {
     if (!change) {
@@ -239,15 +208,16 @@ NotifyMotionArgs PointerChoreographer::processMotion(const NotifyMotionArgs& arg
     PointerDisplayChange pointerDisplayChange;
     { // acquire lock
         std::scoped_lock _l(getLock());
-        if (isFromMouse(args)) {
+        if (isFromMouse(args.source, args.pointerProperties[0].toolType)) {
             newArgs = processMouseEventLocked(args);
             pointerDisplayChange = calculatePointerDisplayChangeToNotify();
-        } else if (isFromTouchpad(args)) {
+        } else if (isFromTouchpad(args.source, args.pointerProperties[0].toolType)) {
             newArgs = processTouchpadEventLocked(args);
             pointerDisplayChange = calculatePointerDisplayChangeToNotify();
-        } else if (isFromDrawingTablet(args)) {
+        } else if (isFromDrawingTablet(args.source, args.pointerProperties[0].toolType)) {
             processDrawingTabletEventLocked(args);
-        } else if (mStylusPointerIconEnabled && isStylusHoverEvent(args)) {
+        } else if (mStylusPointerIconEnabled &&
+                   isStylusHoverEvent(args.source, args.pointerProperties, args.action)) {
             processStylusHoverEventLocked(args);
         } else if (isFromSource(args.source, AINPUT_SOURCE_TOUCHSCREEN)) {
             processTouchscreenAndStylusEventLocked(args);

services/inputflinger/dispatcher/InputDispatcher.cpp

@@ -920,13 +920,6 @@ std::string dumpWindowForTouchOcclusion(const WindowInfo& info, bool isTouchedWi
                         binderToString(info.applicationInfo.token).c_str());
 }
 
-bool isMouseOrTouchpad(uint32_t sources) {
-    // Check if this is a mouse or touchpad, but not a drawing tablet.
-    return isFromSource(sources, AINPUT_SOURCE_MOUSE_RELATIVE) ||
-            (isFromSource(sources, AINPUT_SOURCE_MOUSE) &&
-             !isFromSource(sources, AINPUT_SOURCE_STYLUS));
-}
-
 } // namespace
 
 // --- InputDispatcher ---

services/inputflinger/dispatcher/InputState.cpp

@@ -15,6 +15,7 @@
  */
 
 #include "DebugConfig.h"
+#include "input/Input.h"
 #include "input/InputDevice.h"
 #include "input/InputFlags.h"
 
@@ -25,17 +26,6 @@
 
 namespace android::inputdispatcher {
 
-namespace {
-
-bool isMouseOrTouchpad(uint32_t sources) {
-    // Check if this is a mouse or touchpad, but not a drawing tablet.
-    return isFromSource(sources, AINPUT_SOURCE_MOUSE_RELATIVE) ||
-            (isFromSource(sources, AINPUT_SOURCE_MOUSE) &&
-             !isFromSource(sources, AINPUT_SOURCE_STYLUS));
-}
-
-} // namespace
-
 InputState::InputState(const IdGenerator& idGenerator) : mIdGenerator(idGenerator) {}
 
 InputState::~InputState() {}