[App banners] Break apart AppBannerManager and AppBannerInfoBarDelegate

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

Index: chrome/android/java/src/org/chromium/chrome/browser/infobar/AppBannerInfoBarDelegate.java
diff --git a/chrome/android/java/src/org/chromium/chrome/browser/infobar/AppBannerInfoBarDelegate.java b/chrome/android/java/src/org/chromium/chrome/browser/infobar/AppBannerInfoBarDelegate.java
new file mode 100644
index 0000000000000000000000000000000000000000..c76db8c5389efa737609bd3efd1dd9c5b0000b1d
--- /dev/null
+++ b/chrome/android/java/src/org/chromium/chrome/browser/infobar/AppBannerInfoBarDelegate.java
@@ -0,0 +1,140 @@
+// 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.infobar;
+
+import android.app.Activity;
+import android.content.ContentResolver;
+import android.content.Context;
+import android.content.Intent;
+import android.content.pm.PackageManager;
+import android.os.Looper;
+
+import org.chromium.base.ApplicationStatus;
+import org.chromium.base.CalledByNative;
+import org.chromium.base.JNINamespace;
+import org.chromium.chrome.browser.Tab;
+import org.chromium.chrome.browser.banners.AppData;
+import org.chromium.chrome.browser.banners.InstallerDelegate;
+import org.chromium.ui.base.WindowAndroid;
+
+/**
+ * Handles the promotion and installation of an app specified by the current web page.  This Java
+ * object is created by and owned by the native AppBannerInfoBarDelegate.
+ */
+@JNINamespace("banners")
+public class AppBannerInfoBarDelegate {
+    /** Weak pointer to the native AppBannerInfoBarDelegate. */
+    private long mNativePointer;
+
+    /** Monitors an installation in progress. */
+    private InstallerDelegate mInstallTask;
+
+    /** Monitors for application state changes. */
+    private final ApplicationStatus.ApplicationStateListener mListener;
+
+    private AppBannerInfoBarDelegate(long nativePtr) {
+        mNativePointer = nativePtr;
+        mListener = createApplicationStateListener();
+        ApplicationStatus.registerApplicationStateListener(mListener);
+    }
+
+    private ApplicationStatus.ApplicationStateListener createApplicationStateListener() {
+        return new ApplicationStatus.ApplicationStateListener() {
+            @Override
+            public void onApplicationStateChange(int newState) {
+                if (!ApplicationStatus.hasVisibleActivities()) return;
+                nativeUpdateInstallState(mNativePointer);
+            }
+        };
+    }
+
+    @CalledByNative
+    private void destroy() {
+        if (mInstallTask != null) {
+            mInstallTask.cancel();
+            mInstallTask = null;
+        }
+        ApplicationStatus.unregisterApplicationStateListener(mListener);
+        mNativePointer = 0;
+    }
+
+    @CalledByNative
+    private boolean installOrOpenNativeApp(Tab tab, AppData appData) {
+        Context context = ApplicationStatus.getApplicationContext();
+        String packageName = appData.packageName();
+        PackageManager packageManager = context.getPackageManager();
+
+        if (InstallerDelegate.isInstalled(packageManager, packageName)) {
+            // Open the app.
+            Intent launchIntent = packageManager.getLaunchIntentForPackage(packageName);
+            if (launchIntent == null) return true;
+            context.startActivity(launchIntent);
+            return true;
+        } else {
+            // Try installing the app.  If the installation was kicked off, return false to prevent
+            // the infobar from disappearing.
+            return !tab.getWindowAndroid().showIntent(
+                    appData.installIntent(), createIntentCallback(appData), null);
+        }
+    }
+
+    private WindowAndroid.IntentCallback createIntentCallback(final AppData appData) {
+        return new WindowAndroid.IntentCallback() {
+            @Override
+            public void onIntentCompleted(WindowAndroid window, int resultCode,
+                    ContentResolver contentResolver, Intent data) {
+                boolean isInstalling = resultCode == Activity.RESULT_OK;
+                if (isInstalling) {
+                    // Start monitoring the install.
+                    PackageManager pm =
+                            ApplicationStatus.getApplicationContext().getPackageManager();
+                    mInstallTask = new InstallerDelegate(
+                            Looper.getMainLooper(), pm, createInstallerDelegateObserver(),
+                            appData.packageName());
+                    mInstallTask.start();
+                }
+
+                nativeOnInstallIntentReturned(mNativePointer, isInstalling);
+            }
+        };
+    }
+
+    private InstallerDelegate.Observer createInstallerDelegateObserver() {
+        return new InstallerDelegate.Observer() {
+            @Override
+            public void onInstallFinished(InstallerDelegate task, boolean success) {
+                if (mInstallTask != task) return;
+                mInstallTask = null;
+                nativeOnInstallFinished(mNativePointer, success);
+            }
+        };
+    }
+
+    @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 AppBannerInfoBar.INSTALL_STATE_INSTALLING;
+
+        PackageManager pm = ApplicationStatus.getApplicationContext().getPackageManager();
+        boolean isInstalled = InstallerDelegate.isInstalled(pm, data.packageName());
+        return isInstalled ? AppBannerInfoBar.INSTALL_STATE_INSTALLED
+                : AppBannerInfoBar.INSTALL_STATE_NOT_INSTALLED;
+    }
+
+    @CalledByNative
+    private static AppBannerInfoBarDelegate create(long nativePtr) {
+        return new AppBannerInfoBarDelegate(nativePtr);
+    }
+
+    private native void nativeOnInstallIntentReturned(
+            long nativeAppBannerInfoBarDelegate, boolean isInstalling);
+    private native void nativeOnInstallFinished(
+            long nativeAppBannerInfoBarDelegate, boolean success);
+    private native void nativeUpdateInstallState(long nativeAppBannerInfoBarDelegate);
+}