chrome/android/java/src/org/chromium/chrome/browser/banners/AppBannerUiDelegateAndroid.java

// Copyright 2018 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.banners;

import android.content.ActivityNotFoundException;
import android.content.Context;
import android.content.Intent;
import android.graphics.Bitmap;
import android.util.Pair;

import org.chromium.base.ContextUtils;
import org.chromium.base.Log;
import org.chromium.base.PackageUtils;
import org.chromium.base.annotations.CalledByNative;
import org.chromium.base.annotations.JNINamespace;
import org.chromium.base.annotations.NativeMethods;
import org.chromium.chrome.browser.tab.Tab;
import org.chromium.chrome.browser.webapps.addtohomescreen.AddToHomescreenDialogView;
import org.chromium.chrome.browser.webapps.addtohomescreen.AddToHomescreenProperties;
import org.chromium.chrome.browser.webapps.addtohomescreen.AddToHomescreenViewBinder;
import org.chromium.chrome.browser.webapps.addtohomescreen.AddToHomescreenViewDelegate;
import org.chromium.ui.modelutil.PropertyModel;
import org.chromium.ui.modelutil.PropertyModelChangeProcessor;

/**
 * Handles the promotion and installation of an app specified by the current web page. This object
 * is created by and owned by the native AppBannerUiDelegate.
 */
@JNINamespace("banners")
public class AppBannerUiDelegateAndroid implements AddToHomescreenViewDelegate {
    private static final String TAG = "AppBannerUi";

    /** Pointer to the native AppBannerUiDelegateAndroid. */
    private long mNativePointer;

    private Tab mTab;

    private PropertyModel mViewModel;

    private boolean mAddedToHomescreen;

    private AppBannerUiDelegateAndroid(long nativePtr, Tab tab) {
        mNativePointer = nativePtr;
        mTab = tab;
    }

    @Override
    public void onAddToHomescreen(String title) {
        mAddedToHomescreen = true;
        // The title is ignored for app banners as we respect the developer-provided title.
        if (mNativePointer != 0) {
            AppBannerUiDelegateAndroidJni.get().addToHomescreen(
                    mNativePointer, AppBannerUiDelegateAndroid.this);
        }
    }

    @Override
    public boolean onAppDetailsRequested() {
        if (mNativePointer != 0) {
            return AppBannerUiDelegateAndroidJni.get().showNativeAppDetails(
                    mNativePointer, AppBannerUiDelegateAndroid.this);
        }
        return false;
    }

    @Override
    public void onViewDismissed() {
        if (!mAddedToHomescreen && mNativePointer != 0) {
            AppBannerUiDelegateAndroidJni.get().onUiCancelled(
                    mNativePointer, AppBannerUiDelegateAndroid.this);
        }

        mViewModel = null;
        mAddedToHomescreen = false;
    }

    @CalledByNative
    private void destroy() {
        mNativePointer = 0;
        mAddedToHomescreen = false;
    }

    @CalledByNative
    private boolean installOrOpenNativeApp(AppData appData) {
        Context context = ContextUtils.getApplicationContext();
        Intent launchIntent;
        if (PackageUtils.isPackageInstalled(context, appData.packageName())) {
            launchIntent =
                    context.getPackageManager().getLaunchIntentForPackage(appData.packageName());
        } else {
            launchIntent = appData.installIntent();
        }
        if (launchIntent != null && mTab.getActivity() != null) {
            try {
                mTab.getActivity().startActivity(launchIntent);
            } catch (ActivityNotFoundException e) {
                Log.e(TAG, "Failed to install or open app : %s!", appData.packageName(), e);
                return false;
            }
        }
        return true;
    }

    @CalledByNative
    private void showAppDetails(AppData appData) {
        mTab.getWindowAndroid().showIntent(appData.detailsIntent(), null, null);
    }

    /**
     * Build a view model.
     *
     * @return An instance of {@link PropertyModel}.
     */
    private PropertyModel createViewModel() {
        PropertyModel model = new PropertyModel.Builder(AddToHomescreenProperties.ALL_KEYS).build();
        PropertyModelChangeProcessor.create(model,
                new AddToHomescreenDialogView(mTab.getActivity(),
                        mTab.getActivity().getModalDialogManager(),
                        AppBannerManager.getHomescreenLanguageOption(), this),
                AddToHomescreenViewBinder::bind);
        return model;
    }

    @CalledByNative
    private boolean showNativeAppDialog(String title, Bitmap iconBitmap, AppData appData) {
        mViewModel = createViewModel();
        mViewModel.set(AddToHomescreenProperties.TITLE, title);
        mViewModel.set(AddToHomescreenProperties.ICON, new Pair<>(iconBitmap, false));
        mViewModel.set(AddToHomescreenProperties.TYPE, AddToHomescreenProperties.AppType.NATIVE);
        mViewModel.set(AddToHomescreenProperties.CAN_SUBMIT, true);
        mViewModel.set(AddToHomescreenProperties.NATIVE_APP_RATING, appData.rating());
        mViewModel.set(
                AddToHomescreenProperties.NATIVE_INSTALL_BUTTON_TEXT, appData.installButtonText());
        return true;
    }

    @CalledByNative
    private boolean showWebAppDialog(String title, Bitmap iconBitmap, String url) {
        mViewModel = createViewModel();
        mViewModel.set(AddToHomescreenProperties.TITLE, title);
        mViewModel.set(AddToHomescreenProperties.ICON, new Pair<>(iconBitmap, false));
        mViewModel.set(AddToHomescreenProperties.TYPE, AddToHomescreenProperties.AppType.WEB_APK);
        mViewModel.set(AddToHomescreenProperties.CAN_SUBMIT, true);
        mViewModel.set(AddToHomescreenProperties.URL, url);
        return true;
    }

    @CalledByNative
    private static AppBannerUiDelegateAndroid create(long nativePtr, Tab tab) {
        return new AppBannerUiDelegateAndroid(nativePtr, tab);
    }

    @NativeMethods
    interface Natives {
        void addToHomescreen(
                long nativeAppBannerUiDelegateAndroid, AppBannerUiDelegateAndroid caller);

        void onUiCancelled(
                long nativeAppBannerUiDelegateAndroid, AppBannerUiDelegateAndroid caller);

        boolean showNativeAppDetails(
                long nativeAppBannerUiDelegateAndroid, AppBannerUiDelegateAndroid caller);
    }
}