Implement window.print() on Android

printing/printing_context_android.cc

Index: printing/printing_context_android.cc
diff --git a/printing/printing_context_android.cc b/printing/printing_context_android.cc
index 64139c8bfb837c708d0002bf4f85ff707a28e44e..58426f60a805cb07822061533a2fe05910f39278 100644
--- a/printing/printing_context_android.cc
+++ b/printing/printing_context_android.cc
@@ -79,6 +79,12 @@ PrintingContextAndroid::PrintingContextAndroid(Delegate* delegate)
 PrintingContextAndroid::~PrintingContextAndroid() {
 }
 
+void PrintingContextAndroid::SetPrintSettingsCallback(
+    const PrintSettingsCallback& callback) {
+  LOG(INFO) << "DGN - Set cb - this: " << this << ", callback_: " << &callback;
+  callback_ = callback;
+}
+
 void PrintingContextAndroid::AskUserForSettings(
     int max_pages,
     bool has_selection,
@@ -93,6 +99,8 @@ void PrintingContextAndroid::AskUserForSettings(
         reinterpret_cast<intptr_t>(this)));
   }
 
+  LOG(INFO) << "DGN - AskUserForSettings - this: " << this
+            << ", callback_: " << &callback;
   Java_PrintingContext_pageCountEstimationDone(env,
                                                j_printing_context_.obj(),
                                                max_pages);
@@ -104,9 +112,12 @@ void PrintingContextAndroid::AskUserForSettingsReply(JNIEnv* env,
   if (!success) {
     // TODO(cimamoglu): Differentiate between FAILED And CANCEL.
     callback_.Run(FAILED);
+    LOG(INFO) << "DGN - AskUserForSettingsReply - FAILED or CANCEL";
     return;
   }
 
+  LOG(INFO) << "DGN - AskUserForSettingsReply - SUCCESS";
+
   // We use device name variable to store the file descriptor.  This is hacky
   // but necessary. Since device name is not necessary for the upstream
   // printing code for Android, this is harmless.
@@ -132,6 +143,13 @@ void PrintingContextAndroid::AskUserForSettingsReply(JNIEnv* env,
   callback_.Run(OK);
 }
 
+void PrintingContextAndroid::ShowSystemDialogDone(JNIEnv* env,
+                                                     jobject obj) {
+  LOG(INFO) << "DGN - ShowSystemDialogDone - Running callback with 'TEST'";
+  LOG(INFO) << "DGN - this: " << this << ", callback_: " << &callback_;
+  callback_.Run(TEST);
+}
+
 PrintingContext::Result PrintingContextAndroid::UseDefaultSettings() {
   DCHECK(!in_print_job_);