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Android: Fix possible reference overflow when scanning

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This commit is contained in:
Connor McLaughlin 2021-01-20 21:52:39 +10:00
parent 63562e4527
commit 5b4aff5edf
1 changed files with 13 additions and 10 deletions
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23
android/app/src/cpp/android_progress_callback.cpp
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@ -37,16 +37,16 @@ void AndroidProgressCallback::SetTitle(const char* title)
{ {
Assert(title); Assert(title);
JNIEnv* env = AndroidHelpers::GetJNIEnv(); JNIEnv* env = AndroidHelpers::GetJNIEnv();
jstring text_jstr = env->NewStringUTF(title); LocalRefHolder<jstring> text_jstr(env, env->NewStringUTF(title));
env->CallVoidMethod(m_java_object, m_set_title_method, text_jstr); env->CallVoidMethod(m_java_object, m_set_title_method, text_jstr.Get());
} }
void AndroidProgressCallback::SetStatusText(const char* text) void AndroidProgressCallback::SetStatusText(const char* text)
{ {
Assert(text); Assert(text);
JNIEnv* env = AndroidHelpers::GetJNIEnv(); JNIEnv* env = AndroidHelpers::GetJNIEnv();
jstring text_jstr = env->NewStringUTF(text); LocalRefHolder<jstring> text_jstr(env, env->NewStringUTF(text));
env->CallVoidMethod(m_java_object, m_set_status_text_method, text_jstr); env->CallVoidMethod(m_java_object, m_set_status_text_method, text_jstr.Get());
} }
void AndroidProgressCallback::SetProgressRange(u32 range) void AndroidProgressCallback::SetProgressRange(u32 range)
@ -59,7 +59,10 @@ void AndroidProgressCallback::SetProgressRange(u32 range)
void AndroidProgressCallback::SetProgressValue(u32 value) void AndroidProgressCallback::SetProgressValue(u32 value)
{ {
const u32 old_value = m_progress_value;
BaseProgressCallback::SetProgressValue(value); BaseProgressCallback::SetProgressValue(value);
if (old_value == m_progress_value)
return;
JNIEnv* env = AndroidHelpers::GetJNIEnv(); JNIEnv* env = AndroidHelpers::GetJNIEnv();
env->CallVoidMethod(m_java_object, m_set_progress_value_method, static_cast<jint>(value)); env->CallVoidMethod(m_java_object, m_set_progress_value_method, static_cast<jint>(value));
@ -89,22 +92,22 @@ void AndroidProgressCallback::ModalError(const char* message)
{ {
Assert(message); Assert(message);
JNIEnv* env = AndroidHelpers::GetJNIEnv(); JNIEnv* env = AndroidHelpers::GetJNIEnv();
jstring message_jstr = env->NewStringUTF(message); LocalRefHolder<jstring> message_jstr(env, env->NewStringUTF(message));
env->CallVoidMethod(m_java_object, m_modal_error_method, message_jstr); env->CallVoidMethod(m_java_object, m_modal_error_method, message_jstr.Get());
} }
bool AndroidProgressCallback::ModalConfirmation(const char* message) bool AndroidProgressCallback::ModalConfirmation(const char* message)
{ {
Assert(message); Assert(message);
JNIEnv* env = AndroidHelpers::GetJNIEnv(); JNIEnv* env = AndroidHelpers::GetJNIEnv();
jstring message_jstr = env->NewStringUTF(message); LocalRefHolder<jstring> message_jstr(env, env->NewStringUTF(message));
return env->CallBooleanMethod(m_java_object, m_modal_confirmation_method, message_jstr); return env->CallBooleanMethod(m_java_object, m_modal_confirmation_method, message_jstr.Get());
} }
void AndroidProgressCallback::ModalInformation(const char* message) void AndroidProgressCallback::ModalInformation(const char* message)
{ {
Assert(message); Assert(message);
JNIEnv* env = AndroidHelpers::GetJNIEnv(); JNIEnv* env = AndroidHelpers::GetJNIEnv();
jstring message_jstr = env->NewStringUTF(message); LocalRefHolder<jstring> message_jstr(env, env->NewStringUTF(message));
env->CallVoidMethod(m_java_object, m_modal_information_method, message_jstr); env->CallVoidMethod(m_java_object, m_modal_information_method, message_jstr.Get());
} }