unofficialxkcdviewer/chromium_webview/src/org/chromium/android_webview/AwBrowserProcess.java

58 lines
2.3 KiB
Java
Executable File

// Copyright 2012 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
package org.chromium.android_webview;
import android.content.Context;
import org.chromium.base.PathUtils;
import org.chromium.base.ThreadUtils;
import org.chromium.base.library_loader.LibraryLoader;
import org.chromium.base.library_loader.ProcessInitException;
import org.chromium.content.browser.BrowserStartupController;
/**
* Wrapper for the steps needed to initialize the java and native sides of webview chromium.
*/
public abstract class AwBrowserProcess {
private static final String PRIVATE_DATA_DIRECTORY_SUFFIX = "webview";
/**
* Loads the native library, and performs basic static construction of objects needed
* to run webview in this process. Does not create threads; safe to call from zygote.
* Note: it is up to the caller to ensure this is only called once.
*/
public static void loadLibrary() {
PathUtils.setPrivateDataDirectorySuffix(PRIVATE_DATA_DIRECTORY_SUFFIX);
try {
LibraryLoader.loadNow(null);
} catch (ProcessInitException e) {
throw new RuntimeException("Cannot load WebView", e);
}
}
/**
* Starts the chromium browser process running within this process. Creates threads
* and performs other per-app resource allocations; must not be called from zygote.
* Note: it is up to the caller to ensure this is only called once.
* @param context The Android application context
*/
public static void start(final Context context) {
// We must post to the UI thread to cover the case that the user
// has invoked Chromium startup by using the (thread-safe)
// CookieManager rather than creating a WebView.
ThreadUtils.runOnUiThreadBlocking(new Runnable() {
@Override
public void run() {
try {
BrowserStartupController.get(context).startBrowserProcessesSync(
BrowserStartupController.MAX_RENDERERS_SINGLE_PROCESS);
} catch (ProcessInitException e) {
throw new RuntimeException("Cannot initialize WebView", e);
}
}
});
}
}