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[RNMobile] Add embed webview for Android (#50440)
* Add Gutenberg Embed WebView * Clean up * Rename method Fix renaming --ammend * Remove commented out code * Removed unused method * Remove unused menu layout * Update load and get title methods These are no longer overriden in the main Android app --------- Co-authored-by: jhnstn <jhnstn@pm.me>
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163 changes: 163 additions & 0 deletions
163
...n/java/org/wordpress/mobile/ReactNativeGutenbergBridge/GutenbergEmbedWebViewActivity.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,163 @@ | ||
| package org.wordpress.mobile.ReactNativeGutenbergBridge; | ||
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| import android.annotation.SuppressLint; | ||
| import android.graphics.Bitmap; | ||
| import android.os.Bundle; | ||
| import android.os.Handler; | ||
| import android.view.Menu; | ||
| import android.view.MenuInflater; | ||
| import android.view.MenuItem; | ||
| import android.view.View; | ||
| import android.webkit.CookieManager; | ||
| import android.webkit.WebChromeClient; | ||
| import android.webkit.WebSettings; | ||
| import android.webkit.WebView; | ||
| import android.webkit.WebViewClient; | ||
| import android.widget.ProgressBar; | ||
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| import androidx.annotation.Nullable; | ||
| import androidx.appcompat.app.ActionBar; | ||
| import androidx.appcompat.app.AppCompatActivity; | ||
| import androidx.appcompat.widget.Toolbar; | ||
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| import java.util.concurrent.atomic.AtomicBoolean; | ||
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| public class GutenbergEmbedWebViewActivity extends AppCompatActivity { | ||
| public static final String ARG_CONTENT = "content"; | ||
| public static final String ARG_TITLE = "title"; | ||
| private static final String JAVA_SCRIPT_INTERFACE_NAME = "wpwebkit"; | ||
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| protected WebView mWebView; | ||
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| private ProgressBar mProgressBar; | ||
| private AtomicBoolean mIsWebPageLoaded = new AtomicBoolean(false); | ||
| private final Handler mWebPageLoadedHandler = new Handler(); | ||
| private final Runnable mWebPageLoadedRunnable = new Runnable() { | ||
| @Override public void run() { | ||
| if (!mIsWebPageLoaded.getAndSet(true)) { | ||
| mProgressBar.setVisibility(View.GONE); | ||
| } | ||
| } | ||
| }; | ||
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| @SuppressLint("SetJavaScriptEnabled") | ||
| protected void onCreate(@Nullable Bundle savedInstanceState) { | ||
| super.onCreate(savedInstanceState); | ||
| setContentView(R.layout.activity_gutenberg_embed_web_view); | ||
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| setupToolbar(); | ||
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| mWebView = findViewById(R.id.embed_web_view); | ||
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| mProgressBar = findViewById(R.id.progress_bar); | ||
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| // Set settings | ||
| WebSettings settings = mWebView.getSettings(); | ||
| settings.setJavaScriptEnabled(true); | ||
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| // Setup WebView client | ||
| setupWebViewClient(); | ||
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| // Setup Web Chrome client | ||
| mWebView.setWebChromeClient(new WebChromeClient() { | ||
| @Override | ||
| public void onProgressChanged(WebView view, int progress) { | ||
| if (progress == 100) { | ||
| mWebPageLoadedHandler.removeCallbacks(mWebPageLoadedRunnable); | ||
| mWebPageLoadedHandler.postDelayed(mWebPageLoadedRunnable, 1500); | ||
| } else { | ||
| mIsWebPageLoaded.compareAndSet(true, false); | ||
| if (mProgressBar.getVisibility() == View.GONE) { | ||
| mProgressBar.setVisibility(View.VISIBLE); | ||
| } | ||
| mProgressBar.setProgress(progress); | ||
| } | ||
| } | ||
| }); | ||
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| load(); | ||
| } | ||
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| protected void load() { | ||
| String content = getIntent().getExtras().getString(ARG_CONTENT); | ||
| mWebView.loadData(content, "text/html", "UTF-8"); | ||
| } | ||
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| private void setupToolbar() { | ||
| setTitle(""); | ||
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| Toolbar toolbar = findViewById(R.id.toolbar); | ||
| if (toolbar != null) { | ||
| setSupportActionBar(toolbar); | ||
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| ActionBar actionBar = getSupportActionBar(); | ||
| if (actionBar != null) { | ||
| actionBar.setDisplayShowTitleEnabled(true); | ||
| actionBar.setDisplayHomeAsUpEnabled(true); | ||
| actionBar.setHomeAsUpIndicator(R.drawable.ic_close_24px); | ||
| actionBar.setSubtitle(""); | ||
| actionBar.setTitle(getToolbarTitle()); | ||
| } | ||
| } | ||
| } | ||
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| protected String getToolbarTitle() { | ||
| return getIntent().getExtras().getString(ARG_TITLE); | ||
| } | ||
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| @Override | ||
| public boolean onOptionsItemSelected(final MenuItem item) { | ||
| if (mWebView == null) { | ||
| return false; | ||
| } | ||
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| int itemID = item.getItemId(); | ||
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| if (itemID == android.R.id.home) { | ||
| finish(); | ||
| } | ||
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| return super.onOptionsItemSelected(item); | ||
| } | ||
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| private void setupWebViewClient() { | ||
| mWebView.setWebViewClient(new WebViewClient() { | ||
| @Override | ||
| public void onPageStarted(WebView view, String url, Bitmap favicon) { | ||
| // Center the embed with a black background; | ||
| String css = "body{margin:0;background:#000;display:flex;align-items:center;}"; | ||
| String js = String.format("(()=>{const c='%s';const s=document.createElement('style');s.textContent=c;document.head.append(s);})()", css); | ||
| view.evaluateJavascript(js, null); | ||
| super.onPageStarted(view, url, favicon); | ||
| } | ||
| }); | ||
| } | ||
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| @Override | ||
| public void onBackPressed() { | ||
| if (mWebView.canGoBack()) { | ||
| mWebView.goBack(); | ||
| } else { | ||
| super.onBackPressed(); | ||
| } | ||
| } | ||
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| @Override | ||
| public void finish() { | ||
| runOnUiThread(() -> { | ||
| mWebView.removeJavascriptInterface(JAVA_SCRIPT_INTERFACE_NAME); | ||
| mWebView.clearHistory(); | ||
| mWebView.clearFormData(); | ||
| mWebView.clearCache(true); | ||
| mWebView.clearSslPreferences(); | ||
| }); | ||
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| super.finish(); | ||
| } | ||
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| @Override | ||
| protected void onDestroy() { | ||
| mWebPageLoadedHandler.removeCallbacks(mWebPageLoadedRunnable); | ||
| super.onDestroy(); | ||
| } | ||
| } |
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44 changes: 44 additions & 0 deletions
44
...dge/android/react-native-bridge/src/main/res/layout/activity_gutenberg_embed_web_view.xml
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,44 @@ | ||
| <?xml version="1.0" encoding="utf-8"?> | ||
| <RelativeLayout | ||
| xmlns:android="http://schemas.android.com/apk/res/android" | ||
| xmlns:app="http://schemas.android.com/apk/res-auto" | ||
| android:orientation="vertical" | ||
| android:layout_width="match_parent" | ||
| android:layout_height="match_parent"> | ||
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| <com.google.android.material.appbar.AppBarLayout | ||
| android:id="@+id/appbar" | ||
| android:layout_width="match_parent" | ||
| android:layout_height="wrap_content" | ||
| android:layout_alignParentTop="true"> | ||
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| <com.google.android.material.appbar.MaterialToolbar | ||
| android:id="@+id/toolbar" | ||
| android:layout_width="match_parent" | ||
| android:layout_height="wrap_content" | ||
| android:background="@color/status_bar_color" | ||
| app:titleTextColor="@android:color/white" | ||
| app:contentInsetEnd="@dimen/toolbar_content_offset_end" | ||
| app:contentInsetLeft="@dimen/toolbar_content_offset" | ||
| app:contentInsetRight="@dimen/toolbar_content_offset_end" | ||
| app:contentInsetStart="@dimen/toolbar_content_offset" /> | ||
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| </com.google.android.material.appbar.AppBarLayout> | ||
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| <WebView | ||
| android:id="@+id/embed_web_view" | ||
| android:layout_below="@+id/appbar" | ||
| android:layout_width="match_parent" | ||
| android:layout_height="match_parent" | ||
| android:visibility="visible"/> | ||
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| <ProgressBar | ||
| android:id="@+id/progress_bar" | ||
| style="@android:style/Widget.ProgressBar.Horizontal" | ||
| android:layout_width="match_parent" | ||
| android:layout_height="@dimen/progress_bar_height" | ||
| android:layout_alignTop="@+id/embed_web_view" | ||
| android:indeterminate="false" | ||
| android:progressDrawable="@drawable/progressbar_horizontal"/> | ||
|
|
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| </RelativeLayout> |
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