make ReactInstanceManager safer threading wise
Reviewed By: achen1 Differential Revision: D4883219 fbshipit-source-id: 45671a6d51357fd51ca824a59f7b200c3df66b89
This commit is contained in:
Aaron Chiu
Facebook Github Bot
Родитель
3e7aa5f14e
Коммит
b9eeaef243
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@ -29,6 +29,8 @@ import android.view.View;
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import com.facebook.common.logging.FLog;
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import com.facebook.infer.annotation.Assertions;
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import com.facebook.infer.annotation.ThreadConfined;
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import com.facebook.infer.annotation.ThreadSafe;
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import com.facebook.react.bridge.CatalystInstance;
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import com.facebook.react.bridge.JavaJSExecutor;
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import com.facebook.react.bridge.JavaScriptModule;
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@ -72,6 +74,7 @@ import com.facebook.soloader.SoLoader;
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import com.facebook.systrace.Systrace;
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import com.facebook.systrace.SystraceMessage;
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import static com.facebook.infer.annotation.ThreadConfined.UI;
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import static com.facebook.react.bridge.ReactMarkerConstants.BUILD_NATIVE_MODULE_REGISTRY_END;
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import static com.facebook.react.bridge.ReactMarkerConstants.BUILD_NATIVE_MODULE_REGISTRY_START;
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import static com.facebook.react.bridge.ReactMarkerConstants.CREATE_CATALYST_INSTANCE_END;
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@ -106,6 +109,7 @@ import static com.facebook.systrace.Systrace.TRACE_TAG_REACT_JSC_CALLS;
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*
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* To instantiate an instance of this class use {@link #builder}.
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*/
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@ThreadSafe
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public class ReactInstanceManager {
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private static final String TAG = ReactInstanceManager.class.getSimpleName();
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@ -121,12 +125,13 @@ public class ReactInstanceManager {
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void onReactContextInitialized(ReactContext context);
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}
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/* should only be accessed from main thread (UI thread) */
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private final List<ReactRootView> mAttachedRootViews = new ArrayList<>();
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private LifecycleState mLifecycleState;
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private @Nullable ReactContextInitParams mPendingReactContextInitParams;
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private @Nullable ReactContextInitAsyncTask mReactContextInitAsyncTask;
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private @Nullable Thread mCreateReactContextThread;
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private final List<ReactRootView> mAttachedRootViews = Collections.synchronizedList(
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new ArrayList<ReactRootView>());
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private volatile LifecycleState mLifecycleState;
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private @Nullable @ThreadConfined(UI) ReactContextInitParams mPendingReactContextInitParams;
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private @Nullable @ThreadConfined(UI) ReactContextInitAsyncTask mReactContextInitAsyncTask;
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private @Nullable @ThreadConfined(UI) Thread mCreateReactContextThread;
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/* accessed from any thread */
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private final @Nullable JSBundleLoader mBundleLoader; /* path to JS bundle on file system */
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@ -137,7 +142,7 @@ public class ReactInstanceManager {
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private final @Nullable NotThreadSafeBridgeIdleDebugListener mBridgeIdleDebugListener;
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private @Nullable volatile ReactContext mCurrentReactContext;
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private final Context mApplicationContext;
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private @Nullable DefaultHardwareBackBtnHandler mDefaultBackButtonImpl;
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private @Nullable @ThreadConfined(UI) DefaultHardwareBackBtnHandler mDefaultBackButtonImpl;
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private @Nullable Activity mCurrentActivity;
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private final Collection<ReactInstanceEventListener> mReactInstanceEventListeners =
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Collections.synchronizedSet(new HashSet<ReactInstanceEventListener>());
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@ -400,6 +405,7 @@ public class ReactInstanceManager {
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*
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* Called from UI thread.
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*/
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@ThreadConfined(UI)
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public void recreateReactContextInBackground() {
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Assertions.assertCondition(
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mHasStartedCreatingInitialContext,
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@ -408,6 +414,7 @@ public class ReactInstanceManager {
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recreateReactContextInBackgroundInner();
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}
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@ThreadConfined(UI)
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private void recreateReactContextInBackgroundInner() {
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UiThreadUtil.assertOnUiThread();
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@ -449,6 +456,7 @@ public class ReactInstanceManager {
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recreateReactContextInBackgroundFromBundleLoader();
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}
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@ThreadConfined(UI)
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private void recreateReactContextInBackgroundFromBundleLoader() {
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recreateReactContextInBackground(
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new JSCJavaScriptExecutor.Factory(mJSCConfig.getConfigMap()),
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@ -491,7 +499,9 @@ public class ReactInstanceManager {
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/**
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* This method will give JS the opportunity to receive intents via Linking.
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*/
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@ThreadConfined(UI)
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public void onNewIntent(Intent intent) {
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UiThreadUtil.assertOnUiThread();
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if (mCurrentReactContext == null) {
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FLog.w(ReactConstants.TAG, "Instance detached from instance manager");
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} else {
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@ -522,6 +532,7 @@ public class ReactInstanceManager {
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*
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* @deprecated Use {@link #onHostPause(Activity)} instead.
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*/
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@ThreadConfined(UI)
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public void onHostPause() {
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UiThreadUtil.assertOnUiThread();
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@ -541,6 +552,7 @@ public class ReactInstanceManager {
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*
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* @param activity the activity being paused
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*/
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@ThreadConfined(UI)
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public void onHostPause(Activity activity) {
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Assertions.assertNotNull(mCurrentActivity);
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Assertions.assertCondition(
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@ -562,6 +574,7 @@ public class ReactInstanceManager {
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* @param defaultBackButtonImpl a {@link DefaultHardwareBackBtnHandler} from an Activity that owns
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* this instance of {@link ReactInstanceManager}.
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*/
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@ThreadConfined(UI)
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public void onHostResume(Activity activity, DefaultHardwareBackBtnHandler defaultBackButtonImpl) {
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UiThreadUtil.assertOnUiThread();
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@ -580,6 +593,7 @@ public class ReactInstanceManager {
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*
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* @deprecated use {@link #onHostDestroy(Activity)} instead
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*/
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@ThreadConfined(UI)
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public void onHostDestroy() {
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UiThreadUtil.assertOnUiThread();
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@ -598,6 +612,7 @@ public class ReactInstanceManager {
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*
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* @param activity the activity being destroyed
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*/
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@ThreadConfined(UI)
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public void onHostDestroy(Activity activity) {
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if (activity == mCurrentActivity) {
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onHostDestroy();
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@ -607,6 +622,7 @@ public class ReactInstanceManager {
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/**
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* Destroy this React instance and the attached JS context.
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*/
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@ThreadConfined(UI)
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public void destroy() {
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UiThreadUtil.assertOnUiThread();
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@ -637,7 +653,7 @@ public class ReactInstanceManager {
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ResourceDrawableIdHelper.getInstance().clear();
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}
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private void moveToResumedLifecycleState(boolean force) {
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private synchronized void moveToResumedLifecycleState(boolean force) {
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if (mCurrentReactContext != null) {
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// we currently don't have an onCreate callback so we call onResume for both transitions
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if (force ||
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@ -649,7 +665,7 @@ public class ReactInstanceManager {
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mLifecycleState = LifecycleState.RESUMED;
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}
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private void moveToBeforeResumeLifecycleState() {
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private synchronized void moveToBeforeResumeLifecycleState() {
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if (mCurrentReactContext != null) {
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if (mLifecycleState == LifecycleState.BEFORE_CREATE) {
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mCurrentReactContext.onHostResume(mCurrentActivity);
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@ -661,7 +677,7 @@ public class ReactInstanceManager {
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mLifecycleState = LifecycleState.BEFORE_RESUME;
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}
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private void moveToBeforeCreateLifecycleState() {
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private synchronized void moveToBeforeCreateLifecycleState() {
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if (mCurrentReactContext != null) {
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if (mLifecycleState == LifecycleState.RESUMED) {
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mCurrentReactContext.onHostPause();
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@ -674,12 +690,20 @@ public class ReactInstanceManager {
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mLifecycleState = LifecycleState.BEFORE_CREATE;
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}
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private synchronized void moveReactContextToCurrentLifecycleState() {
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if (mLifecycleState == LifecycleState.RESUMED) {
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moveToResumedLifecycleState(true);
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}
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}
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@ThreadConfined(UI)
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public void onActivityResult(Activity activity, int requestCode, int resultCode, Intent data) {
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if (mCurrentReactContext != null) {
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mCurrentReactContext.onActivityResult(activity, requestCode, resultCode, data);
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}
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}
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@ThreadConfined(UI)
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public void showDevOptionsDialog() {
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UiThreadUtil.assertOnUiThread();
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mDevSupportManager.showDevOptionsDialog();
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@ -693,6 +717,7 @@ public class ReactInstanceManager {
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* This view will then be tracked by this manager and in case of catalyst instance restart it will
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* be re-attached.
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*/
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@ThreadConfined(UI)
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public void attachMeasuredRootView(ReactRootView rootView) {
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UiThreadUtil.assertOnUiThread();
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mAttachedRootViews.add(rootView);
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@ -711,6 +736,7 @@ public class ReactInstanceManager {
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* multiple times on the same {@param rootView} - in that case view will be detached with the
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* first call.
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*/
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@ThreadConfined(UI)
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public void detachRootView(ReactRootView rootView) {
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UiThreadUtil.assertOnUiThread();
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if (mAttachedRootViews.remove(rootView)) {
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@ -762,6 +788,7 @@ public class ReactInstanceManager {
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return mLifecycleState;
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}
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@ThreadConfined(UI)
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private void onReloadWithJSDebugger(JavaJSExecutor.Factory jsExecutorFactory) {
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recreateReactContextInBackground(
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new ProxyJavaScriptExecutor.Factory(jsExecutorFactory),
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@ -770,6 +797,7 @@ public class ReactInstanceManager {
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mDevSupportManager.getSourceUrl()));
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}
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@ThreadConfined(UI)
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private void onJSBundleLoadedFromServer() {
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recreateReactContextInBackground(
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new JSCJavaScriptExecutor.Factory(mJSCConfig.getConfigMap()),
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@ -778,6 +806,7 @@ public class ReactInstanceManager {
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mDevSupportManager.getDownloadedJSBundleFile()));
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}
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@ThreadConfined(UI)
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private void recreateReactContextInBackground(
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JavaScriptExecutor.Factory jsExecutorFactory,
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JSBundleLoader jsBundleLoader) {
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@ -798,14 +827,16 @@ public class ReactInstanceManager {
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mReactContextInitAsyncTask = new ReactContextInitAsyncTask();
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mReactContextInitAsyncTask.executeOnExecutor(AsyncTask.THREAD_POOL_EXECUTOR, initParams);
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} else {
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// Background task is currently running, queue up most recent init params to recreate context
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// once task completes.
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// Background task is currently running, queue up most recent init params to recreate
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// context once task completes.
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mPendingReactContextInitParams = initParams;
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}
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}
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}
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@ThreadConfined(UI)
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private void runCreateReactContextOnNewThread(final ReactContextInitParams initParams) {
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UiThreadUtil.assertOnUiThread();
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if (mCurrentReactContext != null) {
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tearDownReactContext(mCurrentReactContext);
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mCurrentReactContext = null;
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@ -859,8 +890,10 @@ public class ReactInstanceManager {
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mMemoryPressureRouter.addMemoryPressureListener(catalystInstance);
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moveReactContextToCurrentLifecycleState();
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for (ReactRootView rootView : mAttachedRootViews) {
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attachMeasuredRootViewToInstance(rootView, catalystInstance);
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synchronized (mAttachedRootViews) {
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for (ReactRootView rootView : mAttachedRootViews) {
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attachMeasuredRootViewToInstance(rootView, catalystInstance);
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}
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}
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ReactInstanceEventListener[] listeners =
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@ -912,8 +945,10 @@ public class ReactInstanceManager {
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if (mLifecycleState == LifecycleState.RESUMED) {
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reactContext.onHostPause();
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}
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for (ReactRootView rootView : mAttachedRootViews) {
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detachViewFromInstance(rootView, reactContext.getCatalystInstance());
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synchronized (mAttachedRootViews) {
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for (ReactRootView rootView : mAttachedRootViews) {
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detachViewFromInstance(rootView, reactContext.getCatalystInstance());
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}
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}
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reactContext.destroy();
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mDevSupportManager.onReactInstanceDestroyed(reactContext);
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@ -1032,10 +1067,4 @@ public class ReactInstanceManager {
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}
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Systrace.endSection(TRACE_TAG_REACT_JAVA_BRIDGE);
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}
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private void moveReactContextToCurrentLifecycleState() {
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if (mLifecycleState == LifecycleState.RESUMED) {
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moveToResumedLifecycleState(true);
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}
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}
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}
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