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53 lines
2.0 KiB
Diff
53 lines
2.0 KiB
Diff
From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
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From: Josep del Rio <joseprio@google.com>
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Date: Mon, 26 Jun 2023 11:16:37 +0000
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Subject: [PATCH] Do not share key mappings with JNI object
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The key mapping information between the native key mappings and
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the KeyCharacterMap object available in Java is currently shared,
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which means that a read can be attempted while it's being modified.
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Because the code changed between R and S, this CL fixes it just
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for R; the patch for versions S+ is ag/23785419
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Bug: 274058082
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Test: Presubmit
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(cherry picked from https://googleplex-android-review.googlesource.com/q/commit:4b3c4620166071561ec44961fb08a56676b4fd6c)
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Merged-In: I3be94534dcda365da473f82347ae2e3f57bb1b42
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Change-Id: I3be94534dcda365da473f82347ae2e3f57bb1b42
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---
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core/jni/android_view_InputDevice.cpp | 12 ++++++++++--
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1 file changed, 10 insertions(+), 2 deletions(-)
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diff --git a/core/jni/android_view_InputDevice.cpp b/core/jni/android_view_InputDevice.cpp
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index 494fad7900ef..806a88f8f50e 100644
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--- a/core/jni/android_view_InputDevice.cpp
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+++ b/core/jni/android_view_InputDevice.cpp
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@@ -14,6 +14,7 @@
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* limitations under the License.
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*/
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+#include <binder/Parcel.h>
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#include <input/Input.h>
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#include <android_runtime/AndroidRuntime.h>
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@@ -48,9 +49,16 @@ jobject android_view_InputDevice_create(JNIEnv* env, const InputDeviceInfo& devi
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return NULL;
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}
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+ sp<KeyCharacterMap> map = deviceInfo.getKeyCharacterMap();
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+ if (map != nullptr) {
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+ Parcel parcel;
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+ map->writeToParcel(&parcel);
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+ map = map->readFromParcel(&parcel);
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+ }
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+
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ScopedLocalRef<jobject> kcmObj(env,
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- android_view_KeyCharacterMap_create(env, deviceInfo.getId(),
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- deviceInfo.getKeyCharacterMap()));
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+ android_view_KeyCharacterMap_create(env, deviceInfo.getId(),
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+ map));
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if (!kcmObj.get()) {
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return NULL;
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}
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