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/* -*- Mode: Java; c-basic-offset: 4; tab-width: 4; indent-tabs-mode: nil; -*-
* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
package org.mozilla.focus.iwebview;
import android.annotation.SuppressLint;
import android.content.Context;
import android.graphics.Bitmap;
import androidx.annotation.NonNull;
import android.util.AttributeSet;
import android.view.View;
import org.jetbrains.annotations.NotNull;
import org.jetbrains.annotations.Nullable;
import org.mozilla.focus.browser.URLs;
import org.mozilla.focus.session.Session;
import org.mozilla.gecko.GeckoView;
import org.mozilla.gecko.GeckoViewSettings;
import kotlin.NotImplementedError;
/**
* WebViewProvider implementation for creating a Gecko based implementation of IWebView.
*/
public class WebViewProvider {
public static void preload(final Context context) {
GeckoView.preload(context);
}
public static View create(Context context, AttributeSet attrs) {
final GeckoViewSettings settings = new GeckoViewSettings();
settings.setBoolean(GeckoViewSettings.USE_MULTIPROCESS, false);
settings.setBoolean(GeckoViewSettings.USE_PRIVATE_MODE, true);
settings.setBoolean(GeckoViewSettings.USE_TRACKING_PROTECTION, true);
final GeckoView geckoView = new GeckoWebView(context, attrs, settings);
return geckoView;
}
public static void performCleanup(final Context context) {
// Nothing: does Gecko need extra private mode cleanup?
}
public static void performNewBrowserSessionCleanup() {
// Nothing: a WebKit work-around.
}
public static void deleteGlobalData(Context context) {
}
@SuppressLint("ViewConstructor") // we construct only in code.
public static class GeckoWebView extends NestedGeckoView implements IWebView {
private Callback callback;
private String currentUrl = URLs.ABOUT_BLANK.toString();
private boolean canGoBack;
private boolean canGoForward;
private boolean isSecure;
public GeckoWebView(Context context, AttributeSet attrs, GeckoViewSettings settings) {
super(context, attrs, settings);
setContentListener(createContentListener());
setProgressListener(createProgressListener());
setNavigationListener(createNavigationListener());
// TODO: set long press listener, call through to callback.onLinkLongPress()
}
@Nullable
@Override
public Callback getCallback() {
return callback;
}
@Override
public void setCallback(Callback callback) {
this.callback = callback;
}
@Override
public void onPause() {
}
@Override
public void pauseTimers() {
}
@Override
public void resumeTimers() {
}
@Override
public void onResume() {
}
@Override
public void scrollByClamped(int vx, int vy) {
}
@Override
public void stopLoading() {
this.stop();
callback.onPageFinished(isSecure);
}
@Override
public String getUrl() {
return currentUrl;
}
@Override
public void loadUrl(final String url) {
currentUrl = url;
loadUri(currentUrl);
}
@Override
public void evalJS(@NotNull String js) {
throw new NotImplementedError();
}
@Override
public void cleanup() {
// We're running in a private browsing window, so nothing to do
}
@NotNull
@Override
public Bitmap takeScreenshot() {
throw new NotImplementedError();
}
@Override
public void setBlockingEnabled(boolean enabled) {
// We can't actually do this?
}
private ContentListener createContentListener() {
return new ContentListener() {
@Override
public void onTitleChange(GeckoView geckoView, String s) {
}
@Override
public void onFullScreen(GeckoView geckoView, boolean fullScreen) {
}
};
}
private ProgressListener createProgressListener() {
return new ProgressListener() {
@Override
public void onPageStart(GeckoView geckoView, String url) {
if (callback != null) {
callback.onPageStarted(url);
callback.onProgress(25);
isSecure = false;
}
}
@Override
public void onPageStop(GeckoView geckoView, boolean success) {
if (callback != null) {
if (success) {
callback.onProgress(100);
callback.onPageFinished(isSecure);
}
}
}
@Override
public void onSecurityChange(GeckoView geckoView, int status) {
// TODO: Split current onPageFinished() callback into two: page finished + security changed
isSecure = status == ProgressListener.STATE_IS_SECURE;
}
};
}
private NavigationListener createNavigationListener() {
return new NavigationListener() {
public void onLocationChange(GeckoView view, String url) {
if (callback != null) {
callback.onURLChanged(url);
}
}
public void onCanGoBack(GeckoView view, boolean canGoBack) {
GeckoWebView.this.canGoBack = canGoBack;
}
public void onCanGoForward(GeckoView view, boolean canGoForward) {
GeckoWebView.this.canGoForward = canGoForward;
}
};
}
@Override
public boolean canGoForward() {
return canGoForward;
}
@Override
public boolean canGoBack() {
return canGoBack;
}
@Override
public void restoreWebViewState(Session session) {
// TODO: restore navigation history, and reopen previously opened page
}
@Override
public void saveWebViewState(@NonNull Session session) {
// TODO: save anything needed for navigation history restoration.
}
@Override
public String getTitle() {
return "?";
}
public boolean isYoutubeTV() {
// TODO: Default implementation
return false;
}
}
}