Add share and support buttons

components/Button.tsx

@@ -0,0 +1,21 @@
+interface ButtonProps {
+  text?: string,
+  icon?: string,
+  onClick: () => void,
+}
+
+function Button(props: ButtonProps): JSX.Element {
+    return (
+        <button
+            type="button"
+            onClick={props.onClick}
+            className="focus:outline-none h-20 bg-gray-400 dark:bg-gray-600 hover:bg-gray-500 text-white font-semibold rounded-md items-center flex justify-center">
+            {
+                props.icon && <img src={props.icon} className="w-12 h-12 mr-2" />
+            }
+            {props.text}
+        </button>
+    )
+}
+
+export default Button;

components/Form.tsx

@@ -13,6 +13,7 @@ import {getPayloadBodyFromFile, getPayloadBodyFromQR} from "../src/process";
 import {PassData} from "../src/pass";
 import {COLORS} from "../src/colors";
 import Colors from './Colors';
+import Button from './Button';
 
 function Form(): JSX.Element {
     const {t} = useTranslation(['index', 'errors', 'common']);
@@ -75,6 +76,29 @@ function Form(): JSX.Element {
         )
     }, []);
 
+    // Whether Safari is used or not
+    let [isShareDialogAvailable, setIsShareDialogAvailable] = useState<boolean>(false);
+
+    // Check if share dialog is available
+    useEffect(() => {
+        setIsShareDialogAvailable(window.navigator && window.navigator.share !== undefined);
+    }, []);
+
+    // Open share dialog
+    async function showShareDialog() {
+        const shareData = {
+            title: document.title,
+            text: t('common:title') + ' – ' + t('common:subtitle'),
+            url: window.location.protocol + "//" + window.location.host,
+        };
+
+        try {
+            await window.navigator.share(shareData);
+        } catch(error) {
+            setErrorMessage(error);
+        }
+    }
+
     // Show file Dialog
     async function showFileDialog() {
         inputFile.current.click();
@@ -183,18 +207,8 @@ function Form(): JSX.Element {
                     <div className="space-y-5">
                         <p>{t('index:selectCertificateDescription')}</p>
                         <div className="grid grid-cols-1 md:grid-cols-2 gap-5">
-                            <button
-                                type="button"
-                                onClick={isCameraOpen ? hideCameraView : showCameraView}
-                                className="focus:outline-none h-20 bg-gray-400 dark:bg-gray-600 hover:bg-gray-500 text-white font-semibold rounded-md">
-                                {isCameraOpen ? t('index:stopCamera') : t('index:startCamera')}
-                            </button>
-                            <button
-                                type="button"
-                                onClick={showFileDialog}
-                                className="focus:outline-none h-20 bg-gray-400 dark:bg-gray-600 hover:bg-gray-500 text-white font-semibold rounded-md">
-                                {t('index:openFile')}
-                            </button>
+                            <Button text={isCameraOpen ? t('index:stopCamera') : t('index:startCamera')} onClick={isCameraOpen ? hideCameraView : showCameraView} />
+                            <Button text={t('index:openFile')} onClick={showFileDialog} />
                         </div>
 
                         <video id="cameraPreview"
@@ -276,11 +290,21 @@ function Form(): JSX.Element {
                         </div>
                     </div>
                 }/>
+                {
+                    errorMessage && <Alert isWarning={false} message={errorMessage} onClose={() => setErrorMessage(undefined)}/>
+                }
+                <Card content={
+                    <div className={`${isShareDialogAvailable ? "md:grid-cols-2": ""} grid-cols-1 grid gap-5`}>
+                        <Button icon="kofi.png" text={t('common:donate')} onClick={() => {
+                            window.open('https://ko-fi.com/marvinsxtr', '_blank');
+                        }} />
+                        {
+                            isShareDialogAvailable && <Button text={t('common:share')} onClick={showShareDialog} />
+                        }
+                    </div>
+                }/>
             </form>
             <canvas id="canvas" style={{display: "none"}}/>
-            {
-                errorMessage && <Alert isWarning={false} message={errorMessage} onClose={() => setErrorMessage(undefined)}/>
-            }
         </div>
     )
 }

components/Page.tsx

@@ -25,7 +25,6 @@ function Page(props: PageProps): JSX.Element {
 
                     <footer>
                         <nav className="nav flex flex-row space-x-4 justify-center text-md font-bold flex-wrap">
-                            <a href="https://ko-fi.com/marvinsxtr" className="hover:underline">{t('common:donate')}</a>
                             <a href="https://github.com/marvinsxtr/covidpass" className="hover:underline">{t('common:gitHub')}</a>
                             <Link href="/privacy"><a className="hover:underline">{t('common:privacyPolicy')}</a></Link>
                             <Link href="/imprint"><a className="hover:underline">{t('common:imprint')}</a></Link>