Examples with UIBlock com.facebook.react.uimanager.UIBlock used on opensource projects

Example 1 with UIBlock

use of com.facebook.react.uimanager.UIBlock in project react-native-gesture-handler by kmagiera.

the class RNGestureHandlerModule method tryInitializeHandlerForReactRootView.

private void tryInitializeHandlerForReactRootView(int ancestorViewTag) {
    UIManagerModule uiManager = getReactApplicationContext().getNativeModule(UIManagerModule.class);
    final int rootViewTag = uiManager.resolveRootTagFromReactTag(ancestorViewTag);
    if (rootViewTag < 1) {
        throw new JSApplicationIllegalArgumentException("Could find root view for a given ancestor with tag " + ancestorViewTag);
    }
    synchronized (mRoots) {
        for (int i = 0; i < mRoots.size(); i++) {
            RNGestureHandlerRootHelper root = mRoots.get(i);
            if (root.getRootView().getRootViewTag() == rootViewTag) {
                // initialize a new one then
                return;
            }
        }
    }
    synchronized (mEnqueuedRootViewInit) {
        if (mEnqueuedRootViewInit.contains(rootViewTag)) {
            // root view initialization already enqueued -> we skip
            return;
        }
        mEnqueuedRootViewInit.add(rootViewTag);
    }
    // root helper for a given root tag has not been found, we may wat to check if the root view is
    // an instance of RNGestureHandlerEnabledRootView and then initialize gesture handler with it
    uiManager.addUIBlock(new UIBlock() {

        @Override
        public void execute(NativeViewHierarchyManager nativeViewHierarchyManager) {
            View view = nativeViewHierarchyManager.resolveView(rootViewTag);
            if (view instanceof RNGestureHandlerEnabledRootView) {
                ((RNGestureHandlerEnabledRootView) view).initialize();
            } else {
            // Seems like the root view is something else than RNGestureHandlerEnabledRootView, this
            // is fine though as long as gestureHandlerRootHOC is used in JS
            // FIXME: check and warn about gestureHandlerRootHOC
            }
            synchronized (mEnqueuedRootViewInit) {
                mEnqueuedRootViewInit.remove(new Integer(rootViewTag));
            }
        }
    });
}

Example 2 with UIBlock

use of com.facebook.react.uimanager.UIBlock in project react-native-camera by react-native-community.

the class CameraModule method record.

@ReactMethod
public void record(final ReadableMap options, final int viewTag, final Promise promise) {
    final ReactApplicationContext context = getReactApplicationContext();
    final File cacheDirectory = mScopedContext.getCacheDirectory();
    UIManagerModule uiManager = context.getNativeModule(UIManagerModule.class);
    uiManager.addUIBlock(new UIBlock() {

        @Override
        public void execute(NativeViewHierarchyManager nativeViewHierarchyManager) {
            final RNCameraView cameraView;
            try {
                cameraView = (RNCameraView) nativeViewHierarchyManager.resolveView(viewTag);
                if (cameraView.isCameraOpened()) {
                    cameraView.record(options, promise, cacheDirectory);
                } else {
                    promise.reject("E_CAMERA_UNAVAILABLE", "Camera is not running");
                }
            } catch (Exception e) {
                promise.reject("E_CAMERA_BAD_VIEWTAG", "recordAsync: Expected a Camera component");
            }
        }
    });
}

Example 3 with UIBlock

use of com.facebook.react.uimanager.UIBlock in project react-native-camera by lwansbrough.

the class CameraModule method pausePreview.

@ReactMethod
public void pausePreview(final int viewTag) {
    final ReactApplicationContext context = getReactApplicationContext();
    UIManagerModule uiManager = context.getNativeModule(UIManagerModule.class);
    uiManager.addUIBlock(new UIBlock() {

        @Override
        public void execute(NativeViewHierarchyManager nativeViewHierarchyManager) {
            final RNCameraView cameraView;
            try {
                cameraView = (RNCameraView) nativeViewHierarchyManager.resolveView(viewTag);
                if (cameraView.isCameraOpened()) {
                    cameraView.pausePreview();
                }
            } catch (Exception e) {
                e.printStackTrace();
            }
        }
    });
}

Example 4 with UIBlock

use of com.facebook.react.uimanager.UIBlock in project react-native-camera by lwansbrough.

the class CameraModule method getSupportedRatios.

@ReactMethod
public void getSupportedRatios(final int viewTag, final Promise promise) {
    final ReactApplicationContext context = getReactApplicationContext();
    UIManagerModule uiManager = context.getNativeModule(UIManagerModule.class);
    uiManager.addUIBlock(new UIBlock() {

        @Override
        public void execute(NativeViewHierarchyManager nativeViewHierarchyManager) {
            final RNCameraView cameraView;
            try {
                cameraView = (RNCameraView) nativeViewHierarchyManager.resolveView(viewTag);
                WritableArray result = Arguments.createArray();
                if (cameraView.isCameraOpened()) {
                    Set<AspectRatio> ratios = cameraView.getSupportedAspectRatios();
                    for (AspectRatio ratio : ratios) {
                        result.pushString(ratio.toString());
                    }
                    promise.resolve(result);
                } else {
                    promise.reject("E_CAMERA_UNAVAILABLE", "Camera is not running");
                }
            } catch (Exception e) {
                e.printStackTrace();
            }
        }
    });
}

Example 5 with UIBlock

use of com.facebook.react.uimanager.UIBlock in project react-native-camera by lwansbrough.

the class CameraModule method getSupportedPreviewFpsRange.

@ReactMethod
public void getSupportedPreviewFpsRange(final int viewTag, final Promise promise) {
    final ReactApplicationContext context = getReactApplicationContext();
    UIManagerModule uiManager = context.getNativeModule(UIManagerModule.class);
    uiManager.addUIBlock(new UIBlock() {

        @Override
        public void execute(NativeViewHierarchyManager nativeViewHierarchyManager) {
            final RNCameraView cameraView;
            try {
                cameraView = (RNCameraView) nativeViewHierarchyManager.resolveView(viewTag);
                WritableArray result = Arguments.createArray();
                ArrayList<int[]> ranges = cameraView.getSupportedPreviewFpsRange();
                for (int[] range : ranges) {
                    WritableMap m = new WritableNativeMap();
                    m.putInt("MINIMUM_FPS", range[0]);
                    m.putInt("MAXIMUM_FPS", range[1]);
                    result.pushMap(m);
                }
                promise.resolve(result);
            } catch (Exception e) {
                e.printStackTrace();
            }
        }
    });
}