Mobile: Pressing enter on a hardware keyboard should send chat messag…

…e, shift-enter should add newline (keybase#23479)

shared/android/app/src/main/java/io/keybase/ossifrage/MainActivity.java

@@ -39,6 +39,9 @@
 import com.facebook.react.ReactRootView;
 import com.swmansion.gesturehandler.react.RNGestureHandlerEnabledRootView;
 
+import android.view.KeyEvent;
+import com.github.emilioicai.hwkeyboardevent.HWKeyboardEventModule;
+
 import java.io.File;
 import java.io.FileOutputStream;
 import java.io.IOException;
@@ -69,6 +72,7 @@
 public class MainActivity extends ReactActivity {
   private static final String TAG = MainActivity.class.getName();
   private PermissionListener listener;
+  private boolean isUsingHardwareKeyboard = false;
   static boolean createdReact = false;
 
   @Override
@@ -168,6 +172,8 @@ public void run() {
     }, 300);
 
     KeybasePushNotificationListenerService.createNotificationChannel(this);
+
+    updateIsUsingHardwareKeyboard();
   }
 
   @Override
@@ -428,8 +434,12 @@ public void onConfigurationChanged(Configuration newConfig) {
 
     try {
       setBackgroundColor(GuiConfig.getInstance(getFilesDir()).getDarkMode());
-    } catch (Exception e) {
+    } catch (Exception e) {}
 
+    if (newConfig.hardKeyboardHidden == Configuration.HARDKEYBOARDHIDDEN_NO) {
+      isUsingHardwareKeyboard = true;
+    } else if (newConfig.hardKeyboardHidden == Configuration.HARDKEYBOARDHIDDEN_YES) {
+      isUsingHardwareKeyboard = false;
     }
   }
 
@@ -449,4 +459,26 @@ public void setBackgroundColor(DarkModePreference pref) {
       mainWindow.setBackgroundDrawableResource(bgColor);
     });
   }
+
+  @Override
+  public boolean dispatchKeyEvent(KeyEvent event) {
+    if (isUsingHardwareKeyboard && event.getKeyCode() == KeyEvent.KEYCODE_ENTER) {
+      // Detects user pressing the enter key
+      if (event.getAction() == KeyEvent.ACTION_DOWN && !event.isShiftPressed()) {
+        // Enter is pressed
+        HWKeyboardEventModule.getInstance().keyPressed("enter");
+        return true;
+      }
+      if (event.getAction() == KeyEvent.ACTION_DOWN && event.isShiftPressed()) {
+        // Shift-Enter is pressed
+        HWKeyboardEventModule.getInstance().keyPressed("shift-enter");
+        return true;
+      }
+    }
+    return super.dispatchKeyEvent(event);
+  }
+
+  private void updateIsUsingHardwareKeyboard()  {
+    isUsingHardwareKeyboard = getResources().getConfiguration().keyboard == Configuration.KEYBOARD_QWERTY;
+  }
 }

shared/chat/conversation/input-area/normal/platform-input.native.tsx

@@ -17,6 +17,7 @@ import {parseUri, launchCameraAsync, launchImageLibraryAsync} from '../../../../
 import {BotCommandUpdateStatus} from './shared'
 import {formatDurationShort} from '../../../../util/timestamp'
 import {indefiniteArticle} from '../../../../util/string'
+import {isOpen} from '../../../../util/keyboard'
 import AudioRecorder from '../../../audio/audio-recorder.native'
 import {
   AnimatedBox2,
@@ -25,6 +26,7 @@ import {
   runToggle,
   runRotateToggle,
 } from './platform-input-animation.native'
+import HWKeyboardEvent from 'react-native-hw-keyboard-event'
 
 type menuType = 'exploding' | 'filepickerpopup' | 'moremenu'
 
@@ -97,6 +99,26 @@ class _PlatformInput extends React.PureComponent<PlatformInputPropsInternal, Sta
     }
   }
 
+  // Enter should send a message like on desktop, when a hardware keyboard's attached.
+  private handleHardwareEnterPress = (hwKeyEvent: {pressedKey: string}) => {
+    switch (hwKeyEvent.pressedKey) {
+      case 'enter':
+        !isOpen() ? this.onSubmit() : this.insertText('\n')
+        break
+      case 'shift-enter':
+        this.insertText('\n')
+    }
+  }
+
+  componentDidMount() {
+    // @ts-ignore supplied type seems incorrect, has the onHWKeyPressed param as an object
+    HWKeyboardEvent.onHWKeyPressed(this.handleHardwareEnterPress)
+  }
+
+  componentWillUnmount() {
+    HWKeyboardEvent.removeOnHWKeyPressed()
+  }
+
   private getText = () => {
     return this.lastText || ''
   }

shared/ios/Keybase/AppDelegate.m

@@ -21,6 +21,7 @@
 #import <UMCore/UMModuleRegistry.h>
 #import <UMReactNativeAdapter/UMNativeModulesProxy.h>
 #import <UMReactNativeAdapter/UMModuleRegistryAdapter.h>
+#import <RNHWKeyboardEvent.h>
 
 @interface AppDelegate ()
 @property UIBackgroundTaskIdentifier backgroundTask;
@@ -298,4 +299,28 @@ - (void)applicationDidReceiveMemoryWarning:(UIApplication *)application
   return extraModules;
 }
 
+RNHWKeyboardEvent *hwKeyEvent = nil;
+- (NSMutableArray<UIKeyCommand *> *)keyCommands {
+  NSMutableArray *keys = [NSMutableArray new];
+  if (hwKeyEvent == nil) {
+    hwKeyEvent = [[RNHWKeyboardEvent alloc] init];
+  }
+  if ([hwKeyEvent isListening]) {
+    [keys addObject: [UIKeyCommand keyCommandWithInput:@"\r" modifierFlags:0 action:@selector(sendEnter:)]];
+    [keys addObject: [UIKeyCommand keyCommandWithInput:@"\r" modifierFlags:UIKeyModifierShift action:@selector(sendShiftEnter:)]];
+  }
+  return keys;
+}
+
+- (void)sendEnter:(UIKeyCommand *)sender {
+  // Detects user pressing the enter key
+  NSString *selected = sender.input;
+  [hwKeyEvent sendHWKeyEvent:@"enter"];
+}
+- (void)sendShiftEnter:(UIKeyCommand *)sender {
+// Detects user pressing the shift-enter combination
+  NSString *selected = sender.input;
+  [hwKeyEvent sendHWKeyEvent:@"shift-enter"];
+}
+
 @end

shared/ios/Podfile.lock

@@ -234,6 +234,8 @@ PODS:
     - React
   - react-native-geolocation (2.0.2):
     - React
+  - react-native-hw-keyboard-event (0.0.4):
+    - React
   - react-native-netinfo (5.6.2):
     - React
   - react-native-safe-area-context (0.7.3):
@@ -349,6 +351,7 @@ DEPENDENCIES:
   - "react-native-cameraroll (from `../node_modules/@react-native-community/cameraroll`)"
   - react-native-contacts (from `../node_modules/react-native-contacts`)
   - "react-native-geolocation (from `../node_modules/@react-native-community/geolocation`)"
+  - react-native-hw-keyboard-event (from `../node_modules/react-native-hw-keyboard-event`)
   - "react-native-netinfo (from `../node_modules/@react-native-community/netinfo`)"
   - react-native-safe-area-context (from `../node_modules/react-native-safe-area-context`)
   - react-native-video (from `../node_modules/react-native-video`)
@@ -457,6 +460,8 @@ EXTERNAL SOURCES:
     :path: "../node_modules/react-native-contacts"
   react-native-geolocation:
     :path: "../node_modules/@react-native-community/geolocation"
+  react-native-hw-keyboard-event:
+    :path: "../node_modules/react-native-hw-keyboard-event"
   react-native-netinfo:
     :path: "../node_modules/@react-native-community/netinfo"
   react-native-safe-area-context:
@@ -569,6 +574,7 @@ SPEC CHECKSUMS:
   react-native-cameraroll: 3e5e34d36d93548ae7770ee8ab7b2ae9e778f571
   react-native-contacts: be6cde1ffc9c0196fbb57d987b9d40f12b85989c
   react-native-geolocation: c956aeb136625c23e0dce0467664af2c437888c9
+  react-native-hw-keyboard-event: b517cefb8d5c659a38049c582de85ff43337dc53
   react-native-netinfo: 73303369946c2487c600418961bfdc87748b832f
   react-native-safe-area-context: e200d4433aba6b7e60b52da5f37af11f7a0b0392
   react-native-video: d01ed7ff1e38fa7dcc6c15c94cf505e661b7bfd0