Allow installing apps via the AppBannerInfoBar

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

Index: chrome/android/java/src/org/chromium/chrome/browser/infobar/AppBannerInfoBar.java
diff --git a/chrome/android/java/src/org/chromium/chrome/browser/infobar/AppBannerInfoBar.java b/chrome/android/java/src/org/chromium/chrome/browser/infobar/AppBannerInfoBar.java
index 5600d68c7f70ce1d373c4f9c1585a389bed3d84c..123b6aa07628693e593e3a1607f002e4c4b7331b 100644
--- a/chrome/android/java/src/org/chromium/chrome/browser/infobar/AppBannerInfoBar.java
+++ b/chrome/android/java/src/org/chromium/chrome/browser/infobar/AppBannerInfoBar.java
@@ -6,6 +6,8 @@ package org.chromium.chrome.browser.infobar;
 
 import android.content.Context;
 import android.graphics.Bitmap;
+import android.view.View;
+import android.widget.Button;
 import android.widget.TextView;
 
 import org.chromium.base.ApplicationStatus;
@@ -16,11 +18,22 @@ import org.chromium.chrome.browser.banners.AppData;
 /**
  * Infobar informing the user about an app related to this page.
  */
-public class AppBannerInfoBar extends ConfirmInfoBar {
+public class AppBannerInfoBar extends ConfirmInfoBar implements View.OnClickListener {
+    // Installation states.
+    public static final int INSTALL_STATE_NOT_INSTALLED = 0;
+    public static final int INSTALL_STATE_INSTALLING = 1;
+    public static final int INSTALL_STATE_INSTALLED = 2;
+
+    // Views composing the infobar.
+    private Button mButton;
+    private View mTitleView;
+    private View mIconView;
+
     private final String mAppTitle;
 
     // Data for native app installs.
     private final AppData mAppData;
+    private int mInstallState;
 
     // Data for web app installs.
     private final String mAppUrl;
@@ -31,6 +44,7 @@ public class AppBannerInfoBar extends ConfirmInfoBar {
         mAppTitle = appTitle;
         mAppData = data;
         mAppUrl = null;
+        mInstallState = INSTALL_STATE_NOT_INSTALLED;
     }
 
     // Banner for web apps.
@@ -39,6 +53,7 @@ public class AppBannerInfoBar extends ConfirmInfoBar {
         mAppTitle = appTitle;
         mAppData = null;
         mAppUrl = url;
+        mInstallState = INSTALL_STATE_NOT_INSTALLED;
     }
 
     @Override
@@ -51,6 +66,14 @@ public class AppBannerInfoBar extends ConfirmInfoBar {
 
         super.createContent(layout);
 
+        mButton = (Button) layout.findViewById(R.id.button_primary);
+        mTitleView = layout.findViewById(R.id.infobar_message);
+
+        // TODO(dfalcantara): Grab the icon from the layout.
+        // mIconView = layout.findViewById(R.id.infobar_icon);
+
+        assert mButton != null && mTitleView != null;
+
         // Set up accessibility text.
         Context context = getContext();
         if (mAppData != null) {
@@ -62,6 +85,52 @@ public class AppBannerInfoBar extends ConfirmInfoBar {
                     R.string.app_banner_view_web_app_accessibility, mAppTitle,
                     mAppUrl));
         }
+
+        // Set up clicking on the controls to bring up the app details.
+        mTitleView.setOnClickListener(this);
+        if (mIconView != null) mIconView.setOnClickListener(this);
+    }
+
+    @Override
+    public void onButtonClicked(boolean isPrimaryButton) {
+        if (mInstallState == INSTALL_STATE_INSTALLING) {
+            setControlsEnabled(true);
+            updateButton();
+            return;
+        }
+        super.onButtonClicked(isPrimaryButton);
+    }
+
+    @CalledByNative
+    public void onInstallStateChanged(int newState) {
+        setControlsEnabled(true);
+        mInstallState = newState;
+        updateButton();
+    }
+
+    private void updateButton() {
+        String text;
+        String accessibilityText = null;
+        boolean enabled = true;
+        if (mInstallState == INSTALL_STATE_NOT_INSTALLED) {
+            text = mAppData.installButtonText();
+            accessibilityText =
+                    getContext().getString(R.string.app_banner_install_accessibility, text);
+        } else if (mInstallState == INSTALL_STATE_INSTALLING) {
+            text = getContext().getString(R.string.app_banner_installing);
+            enabled = false;
+        } else {
+            text = getContext().getString(R.string.app_banner_open);
+        }
+
+        mButton.setText(text);
+        mButton.setContentDescription(accessibilityText);
+        mButton.setEnabled(enabled);
+    }
+
+    @Override
+    public void onClick(View v) {
+        if (v == mTitleView || v == mIconView) onLinkClicked();
     }
 
     private static String getAddToHomescreenText() {