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-rw-r--r--core/java/android/view/ViewRootImpl.java32
-rw-r--r--core/java/android/view/WindowManager.java9
-rw-r--r--core/jni/android_view_InputChannel.cpp27
-rw-r--r--core/jni/android_view_InputQueue.cpp15
4 files changed, 56 insertions, 27 deletions
diff --git a/core/java/android/view/ViewRootImpl.java b/core/java/android/view/ViewRootImpl.java
index a0cc287..5c045bb 100644
--- a/core/java/android/view/ViewRootImpl.java
+++ b/core/java/android/view/ViewRootImpl.java
@@ -454,7 +454,10 @@ public final class ViewRootImpl extends Handler implements ViewParent,
// manager, to make sure we do the relayout before receiving
// any other events from the system.
requestLayout();
- mInputChannel = new InputChannel();
+ if ((mWindowAttributes.inputFeatures
+ & WindowManager.LayoutParams.INPUT_FEATURE_NO_INPUT_CHANNEL) == 0) {
+ mInputChannel = new InputChannel();
+ }
try {
res = sWindowSession.add(mWindow, mWindowAttributes,
getHostVisibility(), mAttachInfo.mContentInsets,
@@ -524,12 +527,14 @@ public final class ViewRootImpl extends Handler implements ViewParent,
mInputQueueCallback =
((RootViewSurfaceTaker)view).willYouTakeTheInputQueue();
}
- if (mInputQueueCallback != null) {
- mInputQueue = new InputQueue(mInputChannel);
- mInputQueueCallback.onInputQueueCreated(mInputQueue);
- } else {
- InputQueue.registerInputChannel(mInputChannel, mInputHandler,
- Looper.myQueue());
+ if (mInputChannel != null) {
+ if (mInputQueueCallback != null) {
+ mInputQueue = new InputQueue(mInputChannel);
+ mInputQueueCallback.onInputQueueCreated(mInputQueue);
+ } else {
+ InputQueue.registerInputChannel(mInputChannel, mInputHandler,
+ Looper.myQueue());
+ }
}
view.assignParent(this);
@@ -2152,13 +2157,12 @@ public final class ViewRootImpl extends Handler implements ViewParent,
mSurface.release();
- if (mInputChannel != null) {
- if (mInputQueueCallback != null) {
- mInputQueueCallback.onInputQueueDestroyed(mInputQueue);
- mInputQueueCallback = null;
- } else {
- InputQueue.unregisterInputChannel(mInputChannel);
- }
+ if (mInputQueueCallback != null && mInputQueue != null) {
+ mInputQueueCallback.onInputQueueDestroyed(mInputQueue);
+ mInputQueueCallback = null;
+ mInputQueue = null;
+ } else if (mInputChannel != null) {
+ InputQueue.unregisterInputChannel(mInputChannel);
}
try {
sWindowSession.remove(mWindow);
diff --git a/core/java/android/view/WindowManager.java b/core/java/android/view/WindowManager.java
index fdd9b2c..52d25d9 100644
--- a/core/java/android/view/WindowManager.java
+++ b/core/java/android/view/WindowManager.java
@@ -1029,9 +1029,18 @@ public interface WindowManager extends ViewManager {
public static final int INPUT_FEATURE_DISABLE_POINTER_GESTURES = 0x00000001;
/**
+ * Does not construct an input channel for this window. The channel will therefore
+ * be incapable of receiving input.
+ *
+ * @hide
+ */
+ public static final int INPUT_FEATURE_NO_INPUT_CHANNEL = 0x00000002;
+
+ /**
* Control special features of the input subsystem.
*
* @see #INPUT_FEATURE_DISABLE_TOUCH_PAD_GESTURES
+ * @see #INPUT_FEATURE_NO_INPUT_CHANNEL
* @hide
*/
public int inputFeatures;
diff --git a/core/jni/android_view_InputChannel.cpp b/core/jni/android_view_InputChannel.cpp
index 0c2801c..5fcf8fa 100644
--- a/core/jni/android_view_InputChannel.cpp
+++ b/core/jni/android_view_InputChannel.cpp
@@ -111,7 +111,9 @@ static jobject android_view_InputChannel_createInputChannel(JNIEnv* env,
NativeInputChannel* nativeInputChannel) {
jobject inputChannelObj = env->NewObject(gInputChannelClassInfo.clazz,
gInputChannelClassInfo.ctor);
- android_view_InputChannel_setNativeInputChannel(env, inputChannelObj, nativeInputChannel);
+ if (inputChannelObj) {
+ android_view_InputChannel_setNativeInputChannel(env, inputChannelObj, nativeInputChannel);
+ }
return inputChannelObj;
}
@@ -126,18 +128,29 @@ static jobjectArray android_view_InputChannel_nativeOpenInputChannelPair(JNIEnv*
status_t result = InputChannel::openInputChannelPair(name, serverChannel, clientChannel);
if (result) {
- LOGE("Could not open input channel pair. status=%d", result);
- jniThrowRuntimeException(env, "Could not open input channel pair.");
+ String8 message;
+ message.appendFormat("Could not open input channel pair. status=%d", result);
+ jniThrowRuntimeException(env, message.string());
+ return NULL;
+ }
+
+ jobjectArray channelPair = env->NewObjectArray(2, gInputChannelClassInfo.clazz, NULL);
+ if (env->ExceptionCheck()) {
return NULL;
}
- // TODO more robust error checking
jobject serverChannelObj = android_view_InputChannel_createInputChannel(env,
new NativeInputChannel(serverChannel));
+ if (env->ExceptionCheck()) {
+ return NULL;
+ }
+
jobject clientChannelObj = android_view_InputChannel_createInputChannel(env,
new NativeInputChannel(clientChannel));
+ if (env->ExceptionCheck()) {
+ return NULL;
+ }
- jobjectArray channelPair = env->NewObjectArray(2, gInputChannelClassInfo.clazz, NULL);
env->SetObjectArrayElement(channelPair, 0, serverChannelObj);
env->SetObjectArrayElement(channelPair, 1, clientChannelObj);
return channelPair;
@@ -161,7 +174,7 @@ static void android_view_InputChannel_nativeDispose(JNIEnv* env, jobject obj, jb
static void android_view_InputChannel_nativeTransferTo(JNIEnv* env, jobject obj,
jobject otherObj) {
- if (android_view_InputChannel_getInputChannel(env, otherObj) != NULL) {
+ if (android_view_InputChannel_getNativeInputChannel(env, otherObj) != NULL) {
jniThrowException(env, "java/lang/IllegalStateException",
"Other object already has a native input channel.");
return;
@@ -175,7 +188,7 @@ static void android_view_InputChannel_nativeTransferTo(JNIEnv* env, jobject obj,
static void android_view_InputChannel_nativeReadFromParcel(JNIEnv* env, jobject obj,
jobject parcelObj) {
- if (android_view_InputChannel_getInputChannel(env, obj) != NULL) {
+ if (android_view_InputChannel_getNativeInputChannel(env, obj) != NULL) {
jniThrowException(env, "java/lang/IllegalStateException",
"This object already has a native input channel.");
return;
diff --git a/core/jni/android_view_InputQueue.cpp b/core/jni/android_view_InputQueue.cpp
index 80c4871..300c04a 100644
--- a/core/jni/android_view_InputQueue.cpp
+++ b/core/jni/android_view_InputQueue.cpp
@@ -455,8 +455,9 @@ static void android_view_InputQueue_nativeRegisterInputChannel(JNIEnv* env, jcla
env, inputChannelObj, inputHandlerObj, messageQueueObj);
if (status) {
- jniThrowRuntimeException(env, "Failed to register input channel. "
- "Check logs for details.");
+ String8 message;
+ message.appendFormat("Failed to register input channel. status=%d", status);
+ jniThrowRuntimeException(env, message.string());
}
}
@@ -465,8 +466,9 @@ static void android_view_InputQueue_nativeUnregisterInputChannel(JNIEnv* env, jc
status_t status = gNativeInputQueue.unregisterInputChannel(env, inputChannelObj);
if (status) {
- jniThrowRuntimeException(env, "Failed to unregister input channel. "
- "Check logs for details.");
+ String8 message;
+ message.appendFormat("Failed to unregister input channel. status=%d", status);
+ jniThrowRuntimeException(env, message.string());
}
}
@@ -479,8 +481,9 @@ static void android_view_InputQueue_nativeFinished(JNIEnv* env, jclass clazz,
// was no longer registered (DEAD_OBJECT) since it is a common race that can occur
// during application shutdown. The input dispatcher recovers gracefully anyways.
if (status != OK && status != DEAD_OBJECT) {
- jniThrowRuntimeException(env, "Failed to finish input event. "
- "Check logs for details.");
+ String8 message;
+ message.appendFormat("Failed to finish input event. status=%d", status);
+ jniThrowRuntimeException(env, message.string());
}
}
generated by cgit v1.1 at 2025-08-17 08:09:17 +0000