Merge "Make InputDispatcher logs available dynamically" into tm-dev am: d61e371bfd

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/native/+/17082095

Change-Id: Ia02de9defd3ef7b9fe676665afe8b2c71e1ea0f9

1 files changed, 62 insertions, 20 deletions

diff --git a/services/inputflinger/dispatcher/InputDispatcher.cpp b/services/inputflinger/dispatcher/InputDispatcher.cpp
index 7a0022293a..bfdd22c3df 100644
--- a/services/inputflinger/dispatcher/InputDispatcher.cpp
+++ b/services/inputflinger/dispatcher/InputDispatcher.cpp
@@ -66,35 +66,77 @@ namespace android::inputdispatcher {
 
 namespace {
 
-// Log detailed debug messages about each inbound event notification to the dispatcher.
-constexpr bool DEBUG_INBOUND_EVENT_DETAILS = false;
+/**
+ * Log detailed debug messages about each inbound event notification to the dispatcher.
+ * Enable this via "adb shell setprop log.tag.InputDispatcherInboundEvent DEBUG" (requires restart)
+ */
+const bool DEBUG_INBOUND_EVENT_DETAILS =
+        __android_log_is_loggable(ANDROID_LOG_DEBUG, LOG_TAG "InboundEvent", ANDROID_LOG_INFO);
 
-// Log detailed debug messages about each outbound event processed by the dispatcher.
-constexpr bool DEBUG_OUTBOUND_EVENT_DETAILS = false;
+/**
+ * Log detailed debug messages about each outbound event processed by the dispatcher.
+ * Enable this via "adb shell setprop log.tag.InputDispatcherOutboundEvent DEBUG" (requires restart)
+ */
+const bool DEBUG_OUTBOUND_EVENT_DETAILS =
+        __android_log_is_loggable(ANDROID_LOG_DEBUG, LOG_TAG "OutboundEvent", ANDROID_LOG_INFO);
 
-// Log debug messages about the dispatch cycle.
-constexpr bool DEBUG_DISPATCH_CYCLE = false;
+/**
+ * Log debug messages about the dispatch cycle.
+ * Enable this via "adb shell setprop log.tag.InputDispatcherDispatchCycle DEBUG" (requires restart)
+ */
+const bool DEBUG_DISPATCH_CYCLE =
+        __android_log_is_loggable(ANDROID_LOG_DEBUG, LOG_TAG "DispatchCycle", ANDROID_LOG_INFO);
 
-// Log debug messages about channel creation
-constexpr bool DEBUG_CHANNEL_CREATION = false;
+/**
+ * Log debug messages about channel creation
+ * Enable this via "adb shell setprop log.tag.InputDispatcherChannelCreation DEBUG" (requires
+ * restart)
+ */
+const bool DEBUG_CHANNEL_CREATION =
+        __android_log_is_loggable(ANDROID_LOG_DEBUG, LOG_TAG "ChannelCreation", ANDROID_LOG_INFO);
 
-// Log debug messages about input event injection.
-constexpr bool DEBUG_INJECTION = false;
+/**
+ * Log debug messages about input event injection.
+ * Enable this via "adb shell setprop log.tag.InputDispatcherInjection DEBUG" (requires restart)
+ */
+const bool DEBUG_INJECTION =
+        __android_log_is_loggable(ANDROID_LOG_DEBUG, LOG_TAG "Injection", ANDROID_LOG_INFO);
 
-// Log debug messages about input focus tracking.
-constexpr bool DEBUG_FOCUS = false;
+/**
+ * Log debug messages about input focus tracking.
+ * Enable this via "adb shell setprop log.tag.InputDispatcherFocus DEBUG" (requires restart)
+ */
+const bool DEBUG_FOCUS =
+        __android_log_is_loggable(ANDROID_LOG_DEBUG, LOG_TAG "Focus", ANDROID_LOG_INFO);
 
-// Log debug messages about touch mode event
-constexpr bool DEBUG_TOUCH_MODE = false;
+/**
+ * Log debug messages about touch mode event
+ * Enable this via "adb shell setprop log.tag.InputDispatcherTouchMode DEBUG" (requires restart)
+ */
+const bool DEBUG_TOUCH_MODE =
+        __android_log_is_loggable(ANDROID_LOG_DEBUG, LOG_TAG "TouchMode", ANDROID_LOG_INFO);
 
-// Log debug messages about touch occlusion
-constexpr bool DEBUG_TOUCH_OCCLUSION = true;
+/**
+ * Log debug messages about touch occlusion
+ * Enable this via "adb shell setprop log.tag.InputDispatcherTouchOcclusion DEBUG" (requires
+ * restart)
+ */
+const bool DEBUG_TOUCH_OCCLUSION =
+        __android_log_is_loggable(ANDROID_LOG_DEBUG, LOG_TAG "TouchOcclusion", ANDROID_LOG_INFO);
 
-// Log debug messages about the app switch latency optimization.
-constexpr bool DEBUG_APP_SWITCH = false;
+/**
+ * Log debug messages about the app switch latency optimization.
+ * Enable this via "adb shell setprop log.tag.InputDispatcherAppSwitch DEBUG" (requires restart)
+ */
+const bool DEBUG_APP_SWITCH =
+        __android_log_is_loggable(ANDROID_LOG_DEBUG, LOG_TAG "AppSwitch", ANDROID_LOG_INFO);
 
-// Log debug messages about hover events.
-constexpr bool DEBUG_HOVER = false;
+/**
+ * Log debug messages about hover events.
+ * Enable this via "adb shell setprop log.tag.InputDispatcherHover DEBUG" (requires restart)
+ */
+const bool DEBUG_HOVER =
+        __android_log_is_loggable(ANDROID_LOG_DEBUG, LOG_TAG "Hover", ANDROID_LOG_INFO);
 
 // Temporarily releases a held mutex for the lifetime of the instance.
 // Named to match std::scoped_lock