Make AppBannerInfoBar install WebAPK.

chrome/android/java/src/org/chromium/chrome/browser/infobar/AppBannerInfoBarDelegateAndroid.java

Index: chrome/android/java/src/org/chromium/chrome/browser/infobar/AppBannerInfoBarDelegateAndroid.java
diff --git a/chrome/android/java/src/org/chromium/chrome/browser/infobar/AppBannerInfoBarDelegateAndroid.java b/chrome/android/java/src/org/chromium/chrome/browser/infobar/AppBannerInfoBarDelegateAndroid.java
index 989024241efeb1c31242977cc736eee29bf2dc45..0098f853ece2b7cc094158f1b2deb527e83f77ae 100644
--- a/chrome/android/java/src/org/chromium/chrome/browser/infobar/AppBannerInfoBarDelegateAndroid.java
+++ b/chrome/android/java/src/org/chromium/chrome/browser/infobar/AppBannerInfoBarDelegateAndroid.java
@@ -13,13 +13,16 @@ import android.os.Looper;
 
 import org.chromium.base.ApplicationStatus;
 import org.chromium.base.ContextUtils;
+import org.chromium.base.ThreadUtils;
 import org.chromium.base.VisibleForTesting;
 import org.chromium.base.annotations.CalledByNative;
 import org.chromium.base.annotations.JNINamespace;
+import org.chromium.chrome.R;
 import org.chromium.chrome.browser.banners.AppData;
 import org.chromium.chrome.browser.banners.InstallerDelegate;
 import org.chromium.chrome.browser.tab.Tab;
 import org.chromium.ui.base.WindowAndroid;
+import org.chromium.ui.widget.Toast;
 
 /**
  * Handles the promotion and installation of an app specified by the current web page.  This Java
@@ -39,6 +42,15 @@ public class AppBannerInfoBarDelegateAndroid {
     /** Monitors for application state changes. */
     private final ApplicationStatus.ApplicationStateListener mListener;
 
+    /**
+     * Indicates whether a request to install a WebPK has started. This flag is set before
+     * the package name of the WebAPK is available.
+     */
+    private boolean mIsWebApkInstalling = false;

[gone, 2016/08/26 21:12:26]

booleans default to false, so you don't need to initialize it here.

[Xi Han, 2016/08/29 14:44:52]

Done.

+
+    /** The package name of the WebAPK. */
+    private String mWebApkPackage;
+
     /** Overrides the PackageManager for testing. */
     @VisibleForTesting
     public static void setPackageManagerForTesting(PackageManager manager) {
@@ -79,9 +91,7 @@ public class AppBannerInfoBarDelegateAndroid {
 
         if (InstallerDelegate.isInstalled(packageManager, packageName)) {
             // Open the app.
-            Intent launchIntent = packageManager.getLaunchIntentForPackage(packageName);
-            if (launchIntent == null) return true;
-            context.startActivity(launchIntent);
+            openApp(context, packageName);
             return true;
         } else {
             // Try installing the app.  If the installation was kicked off, return false to prevent
@@ -96,6 +106,11 @@ public class AppBannerInfoBarDelegateAndroid {
         }
     }
 
+    void openApp(Context context, String packageName) {
+        Intent launchIntent = getPackageManager(context).getLaunchIntentForPackage(packageName);
+        if (launchIntent != null) context.startActivity(launchIntent);

[gone, 2016/08/26 21:12:26]

To be safe, use a try/catch when starting the Activity in case the app can't be
run.

[Xi Han, 2016/08/29 14:44:52]

Done.

+    }
+
     private WindowAndroid.IntentCallback createIntentCallback(final AppData appData) {
         return new WindowAndroid.IntentCallback() {
             @Override
@@ -129,18 +144,58 @@ public class AppBannerInfoBarDelegateAndroid {
     }
 
     @CalledByNative

[pkotwicz, 2016/08/26 22:31:25]

Can this function return void too?

[Xi Han, 2016/08/29 14:44:52]

Yes, this function doesn't need to return a boolean anymore.

+    private boolean openWebApk(String packageName) {
+        Context context = ContextUtils.getApplicationContext();
+        PackageManager packageManager = getPackageManager(context);
+
+        if (InstallerDelegate.isInstalled(packageManager, packageName)) {
+            mWebApkPackage = null;
+            openApp(context, packageName);
+        }
+        return true;
+    }
+
+    @CalledByNative
     private void showAppDetails(Tab tab, AppData appData) {
         tab.getWindowAndroid().showIntent(appData.detailsIntent(), null, null);
     }
 
     @CalledByNative
     private int determineInstallState(AppData data) {
-        if (mInstallTask != null) return AppBannerInfoBarAndroid.INSTALL_STATE_INSTALLING;
+        if (mInstallTask != null || mIsWebApkInstalling) {
+            return AppBannerInfoBarAndroid.INSTALL_STATE_INSTALLING;
+        }
 
         PackageManager pm = getPackageManager(ContextUtils.getApplicationContext());
-        boolean isInstalled = InstallerDelegate.isInstalled(pm, data.packageName());
+        String packageName = (data != null) ? data.packageName() : mWebApkPackage;
+        boolean isInstalled = InstallerDelegate.isInstalled(pm, packageName);
         return isInstalled ? AppBannerInfoBarAndroid.INSTALL_STATE_INSTALLED
-                : AppBannerInfoBarAndroid.INSTALL_STATE_NOT_INSTALLED;
+                        : AppBannerInfoBarAndroid.INSTALL_STATE_NOT_INSTALLED;
+    }
+
+    @CalledByNative
+    /** Set the flag of whether a installation process is started for the WebAPK. */
+    private void setWebApkInstallingState(boolean isInstalling) {
+        mIsWebApkInstalling = isInstalling;
+    }
+
+    @CalledByNative
+    /** Sets the WebAPK package name. */
+    private void setWebApkPackageName(String webApkPackage) {
+        mWebApkPackage = webApkPackage;
+    }
+
+    @CalledByNative
+    private static void showWebApkInstallFailureToast() {
+        ThreadUtils.runOnUiThread(new Runnable() {
+            @Override
+            public void run() {
+                Context applicationContext = ContextUtils.getApplicationContext();
+                Toast toast = Toast.makeText(applicationContext, R.string.fail_to_install_webapk,
+                        Toast.LENGTH_SHORT);
+                toast.show();
+            }
+        });
     }
 
     private PackageManager getPackageManager(Context context) {