Implement window.print() on Android

chrome/android/java/src/org/chromium/chrome/browser/Tab.java

Index: chrome/android/java/src/org/chromium/chrome/browser/Tab.java
diff --git a/chrome/android/java/src/org/chromium/chrome/browser/Tab.java b/chrome/android/java/src/org/chromium/chrome/browser/Tab.java
index 38abe1ca22d6028b7adc2b072a2ca22826c5ee70..2b68bd8459f01703b7357398f9a52548ff4df91b 100644
--- a/chrome/android/java/src/org/chromium/chrome/browser/Tab.java
+++ b/chrome/android/java/src/org/chromium/chrome/browser/Tab.java
@@ -8,6 +8,7 @@ import android.app.Activity;
 import android.content.Context;
 import android.graphics.Bitmap;
 import android.graphics.Color;
+import android.util.Log;
 import android.view.ContextMenu;
 import android.view.View;
 
@@ -26,6 +27,7 @@ import org.chromium.chrome.browser.contextmenu.EmptyChromeContextMenuItemDelegat
 import org.chromium.chrome.browser.dom_distiller.DomDistillerFeedbackReporter;
 import org.chromium.chrome.browser.infobar.AutoLoginProcessor;
 import org.chromium.chrome.browser.infobar.InfoBarContainer;
+import org.chromium.chrome.browser.printing.TabPrinter;
 import org.chromium.chrome.browser.profiles.Profile;
 import org.chromium.chrome.browser.toolbar.ToolbarModel;
 import org.chromium.content.browser.ContentView;
@@ -34,6 +36,9 @@ import org.chromium.content.browser.ContentViewCore;
 import org.chromium.content.browser.WebContentsObserver;
 import org.chromium.content_public.browser.LoadUrlParams;
 import org.chromium.content_public.browser.WebContents;
+import org.chromium.printing.PrintManagerDelegateImpl;
+import org.chromium.printing.PrintingController;
+import org.chromium.printing.PrintingControllerImpl;
 import org.chromium.ui.base.Clipboard;
 import org.chromium.ui.base.WindowAndroid;
 import org.chromium.ui.gfx.DeviceDisplayInfo;
@@ -74,9 +79,14 @@ import java.util.concurrent.atomic.AtomicInteger;
 public class Tab {
     public static final int INVALID_TAB_ID = -1;
 
+    /** Tag used for logging */
+    private static final String TAG = "Tab";
+
     /** Used for automatically generating tab ids. */
     private static final AtomicInteger sIdCounter = new AtomicInteger();
 
+    private final boolean mDebug = true;
+
     private long mNativeTabAndroid;
 
     /** Unique id of this tab (within its container). */
@@ -543,6 +553,18 @@ public class Tab {
         return nativePrint(mNativeTabAndroid);
     }
 
+    @CalledByNative
+    public void showPrintDialog() {
+        // TODO Is that considered private data and should not be logged?
+        if (mDebug) Log.d(TAG, "Showing print dialog for tab " + this.getTitle()
+                + " (" + this.getUrl() + ")");
+        PrintingController printingController = PrintingControllerImpl.getInstance();
+        if (printingController != null) {
+            printingController.startPrint(new TabPrinter(this),
+                    new PrintManagerDelegateImpl(mContext));
+        }
+    }
+
     /**
      * Reloads the current page content.
      */