EmbedContentViewActivity.java

// Copyright 2015 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.chrome.browser;

import android.app.ActionBar;
import android.app.Activity;
import android.content.Context;
import android.content.Intent;
import android.view.Menu;
import android.view.MenuItem;

import org.chromium.chrome.browser.firstrun.FirstRunStatus;
import org.chromium.chrome.browser.fullscreen.ChromeFullscreenManager;
import org.chromium.chrome.browser.tab.Tab;
import org.chromium.chrome.browser.tabmodel.document.TabDelegate;
import org.chromium.chrome.browser.webapps.FullScreenActivity;
import org.chromium.chrome.browser.widget.ControlContainer;
import org.chromium.content_public.browser.LoadUrlParams;
import org.chromium.ui.base.PageTransition;

/**
 * An activity that shows a webpage with a title above it. No navigation controls or menu is
 * provided. This is useful for showing a webpage without disrupting with the user's current
 * task or their list of tabs, e.g. for showing Terms of Service during first run.
 */
public class EmbedContentViewActivity extends FullScreenActivity {
    private static final String TAG = "EmbedContentViewActivity";

    /** An intent extra that will determine what URL is to be loaded initially. */
    protected static final String URL_INTENT_EXTRA = "url";
    /** An intent extra that will determine what title is to be set for the activity. */
    protected static final String TITLE_INTENT_EXTRA = "title";

    /**
     * Starts an EmbedContentViewActivity that shows title and URL for the given
     * resource IDs.
     */
    public static void show(Context context, int titleResId, int urlResId) {
        if (context == null) return;
        show(context, context.getString(titleResId), context.getString(urlResId));
    }

    /**
     * Starts an EmbedContentViewActivity that shows the given title and URL.
     */
    public static void show(Context context, String title, String url) {
        if (context == null) return;

        Intent intent = new Intent(Intent.ACTION_VIEW);
        intent.setClassName(context, EmbedContentViewActivity.class.getName());
        if (context instanceof Activity) {
            intent.setFlags(
                    Intent.FLAG_ACTIVITY_REORDER_TO_FRONT | Intent.FLAG_ACTIVITY_SINGLE_TOP);
        } else {
            // Required to handle the case when this is triggered from tests.
            intent.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
        }
        intent.putExtra(TITLE_INTENT_EXTRA, title);
        intent.putExtra(URL_INTENT_EXTRA, url);
        context.startActivity(intent);
    }

    @Override
    public void finishNativeInitialization() {
        super.finishNativeInitialization();
        getSupportActionBar().setDisplayOptions(
                ActionBar.DISPLAY_HOME_AS_UP, ActionBar.DISPLAY_HOME_AS_UP);

        final String titleRes = getIntent().getStringExtra(TITLE_INTENT_EXTRA);
        if (titleRes != null) {
            setTitle(titleRes);
        }

        final String urlRes = getIntent().getStringExtra(URL_INTENT_EXTRA);
        if (urlRes != null) {
            getActivityTab().loadUrl(new LoadUrlParams(urlRes, PageTransition.AUTO_TOPLEVEL));
        }
    }

    @Override
    protected final ChromeFullscreenManager createFullscreenManager(
            ControlContainer controlContainer) {
        return null;
    }

    @Override
    public boolean onCreateOptionsMenu(Menu menu) {
        boolean retVal = super.onCreateOptionsMenu(menu);
        if (!FirstRunStatus.getFirstRunFlowComplete(this)) return retVal;
        return true;
    }

    @Override
    public boolean onOptionsItemSelected(MenuItem item) {
        int itemId = item.getItemId();
        if (itemId == android.R.id.home) {
            // Handles up navigation
            finish();
            return true;
        }
        return super.onOptionsItemSelected(item);
    }

    @Override
    protected boolean isContextualSearchAllowed() {
        return false;
    }

    @Override
    protected void setStatusBarColor(Tab tab, int color) {
        // Intentionally do nothing as EmbedContentViewActivity does not set status bar color.
    }

    @Override
    protected TabDelegate createTabDelegate(boolean incognito) {
        return new TabDelegate(incognito);
    }
}