X-Git-Url: https://git.mdrn.pl/wl-app.git/blobdiff_plain/48b2fe9f7c2dc3d9aeaaa6dbfb27c7da4f3235ff..269195b3729c1bdc22e9053ee4ebca667ea8549d:/Android/app/src/main/java/com/moiseum/wolnelektury/view/WebViewFragment.java

diff --git a/Android/app/src/main/java/com/moiseum/wolnelektury/view/WebViewFragment.java b/Android/app/src/main/java/com/moiseum/wolnelektury/view/WebViewFragment.java
new file mode 100644
index 0000000..38bc5dc
--- /dev/null
+++ b/Android/app/src/main/java/com/moiseum/wolnelektury/view/WebViewFragment.java
@@ -0,0 +1,115 @@
+package com.moiseum.wolnelektury.view;
+
+import android.os.Bundle;
+import android.support.v4.app.Fragment;
+import android.view.View;
+import android.webkit.WebSettings;
+import android.webkit.WebView;
+import android.webkit.WebViewClient;
+import android.widget.Button;
+import android.widget.TextView;
+
+import com.moiseum.wolnelektury.R;
+import com.moiseum.wolnelektury.base.AbstractFragment;
+
+import butterknife.BindView;
+
+/**
+ * @author golonkos.
+ */
+
+public class WebViewFragment extends AbstractFragment {
+
+	private static final String PARAM_URL = "PARAM_URL";
+
+	@BindView(R.id.wvAbout)
+	WebView wvPage;
+	@BindView(R.id.btnBack)
+	Button btnBack;
+	@BindView(R.id.btnRefresh)
+	Button btnRefresh;
+	@BindView(R.id.btnNext)
+	Button btnNext;
+	@BindView(R.id.tvPageError)
+	TextView tvPageError;
+
+	private boolean loadFailed;
+
+	public static Fragment newInstance(String url) {
+		WebViewFragment fragment = new WebViewFragment();
+		Bundle args = new Bundle(1);
+		args.putString(PARAM_URL, url);
+		fragment.setArguments(args);
+		return fragment;
+	}
+
+	@Override
+	public int getLayoutResourceId() {
+		return R.layout.fragment_web_view;
+	}
+
+	@Override
+	public void prepareView(View view, Bundle savedInstanceState) {
+		initWebView();
+	}
+
+	private void initWebView() {
+		wvPage.getSettings().setCacheMode(WebSettings.LOAD_CACHE_ELSE_NETWORK);
+		wvPage.getSettings().setJavaScriptEnabled(true);
+		wvPage.getSettings().setJavaScriptCanOpenWindowsAutomatically(true);
+		wvPage.setWebViewClient(new WebViewClient() {
+
+			@Override
+			public boolean shouldOverrideUrlLoading(WebView view, String url) {
+				wvPage.loadUrl(url);
+				return true;
+			}
+
+			@Override
+			public void onReceivedError(WebView view, int errorCode, String description, String failingUrl) {
+				if (tvPageError == null) {
+					return;
+				}
+				loadFailed = true;
+				tvPageError.setVisibility(View.VISIBLE);
+			}
+
+			@Override
+			public void onPageFinished(WebView view, String url) {
+				super.onPageFinished(view, url);
+				if (tvPageError == null) {
+					return;
+				}
+				if (!loadFailed) {
+					tvPageError.setVisibility(View.GONE);
+				}
+				btnBack.setEnabled(wvPage.canGoBack());
+				btnNext.setEnabled(wvPage.canGoForward());
+			}
+		});
+		String url = getArguments().getString(PARAM_URL);
+		wvPage.loadUrl(url);
+
+		btnRefresh.setOnClickListener(new View.OnClickListener() {
+			@Override
+			public void onClick(View v) {
+				loadFailed = false;
+				wvPage.reload();
+			}
+		});
+
+		btnBack.setOnClickListener(new View.OnClickListener() {
+			@Override
+			public void onClick(View v) {
+				wvPage.goBack();
+			}
+		});
+
+		btnNext.setOnClickListener(new View.OnClickListener() {
+			@Override
+			public void onClick(View v) {
+				wvPage.goForward();
+			}
+		});
+	}
+}