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authorcimamoglu@chromium.org <cimamoglu@chromium.org@0039d316-1c4b-4281-b951-d872f2087c98>2013-12-04 21:28:54 +0000
committercimamoglu@chromium.org <cimamoglu@chromium.org@0039d316-1c4b-4281-b951-d872f2087c98>2013-12-04 21:28:54 +0000
commit334c6d06ca072128348ee8e0f39a687b8ac14b5e (patch)
tree5224785514b7475bae66f84a39e3ee209041fa84 /chrome/android
parentcc5e8f152817ca6102d0f15d5c3a5452e04553f1 (diff)
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Android: refactors printing code & adds a test
Review URL: https://codereview.chromium.org/85693005 git-svn-id: svn://svn.chromium.org/chrome/trunk/src@238776 0039d316-1c4b-4281-b951-d872f2087c98
Diffstat (limited to 'chrome/android')
-rw-r--r--chrome/android/java/src/org/chromium/chrome/browser/printing/PrintingControllerFactory.java5
-rw-r--r--chrome/android/javatests/src/org/chromium/chrome/browser/printing/PrintingControllerTest.java245
2 files changed, 248 insertions, 2 deletions
diff --git a/chrome/android/java/src/org/chromium/chrome/browser/printing/PrintingControllerFactory.java b/chrome/android/java/src/org/chromium/chrome/browser/printing/PrintingControllerFactory.java
index 9603453..03b1198 100644
--- a/chrome/android/java/src/org/chromium/chrome/browser/printing/PrintingControllerFactory.java
+++ b/chrome/android/java/src/org/chromium/chrome/browser/printing/PrintingControllerFactory.java
@@ -10,6 +10,7 @@ import android.print.PrintManager;
import org.chromium.base.ApiCompatibilityUtils;
import org.chromium.chrome.R;
+import org.chromium.printing.PrintDocumentAdapterWrapper;
import org.chromium.printing.PrintManagerDelegateImpl;
import org.chromium.printing.PrintingController;
import org.chromium.printing.PrintingControllerImpl;
@@ -28,8 +29,8 @@ public class PrintingControllerFactory {
PrintManager printManager =
(PrintManager) activity.getSystemService(Context.PRINT_SERVICE);
String errorText = activity.getResources().getString(R.string.error_printing_failed);
- return PrintingControllerImpl.create(
- new PrintManagerDelegateImpl(printManager), errorText);
+ return PrintingControllerImpl.create(new PrintManagerDelegateImpl(printManager),
+ new PrintDocumentAdapterWrapper(), errorText);
}
return null;
}
diff --git a/chrome/android/javatests/src/org/chromium/chrome/browser/printing/PrintingControllerTest.java b/chrome/android/javatests/src/org/chromium/chrome/browser/printing/PrintingControllerTest.java
new file mode 100644
index 0000000..1ee880d
--- /dev/null
+++ b/chrome/android/javatests/src/org/chromium/chrome/browser/printing/PrintingControllerTest.java
@@ -0,0 +1,245 @@
+// Copyright 2013 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.printing;
+
+import android.os.CancellationSignal;
+import android.os.ParcelFileDescriptor;
+import android.print.PageRange;
+import android.print.PrintAttributes;
+import android.print.PrintDocumentAdapter;
+import android.print.PrintDocumentInfo;
+
+import org.chromium.base.ApiCompatibilityUtils;
+import org.chromium.base.test.util.Feature;
+import org.chromium.base.test.util.TestFileUtil;
+import org.chromium.base.test.util.UrlUtils;
+import org.chromium.chrome.browser.printing.TabPrinter;
+import org.chromium.chrome.testshell.ChromiumTestShellTestBase;
+import org.chromium.chrome.testshell.TestShellTab;
+import org.chromium.printing.PrintDocumentAdapterWrapper;
+import org.chromium.printing.PrintManagerDelegate;
+import org.chromium.printing.Printable;
+import org.chromium.printing.PrintingControllerImpl;
+
+import java.io.File;
+import java.io.FileInputStream;
+import java.io.IOException;
+import java.util.concurrent.FutureTask;
+import java.util.concurrent.Callable;
+import java.util.concurrent.TimeUnit;
+
+import android.test.suitebuilder.annotation.LargeTest;
+
+/**
+ * Tests Android printing.
+ * TODO(cimamoglu): Add a test with cancellation.
+ * TODO(cimamoglu): Add a test with multiple, stacked onLayout/onWrite calls.
+ * TODO(cimamoglu): Add a test which emulates Chromium failing to generate a PDF.
+ */
+public class PrintingControllerTest extends ChromiumTestShellTestBase {
+
+ private static final String TEMP_FILE_NAME = "temp_print";
+ private static final String TEMP_FILE_EXTENSION = ".pdf";
+ private static final String PRINT_JOB_NAME = "foo";
+ private static final String URL = UrlUtils.encodeHtmlDataUri(
+ "<html><head></head><body>foo</body></html>");
+ private static final String PDF_PREAMBLE = "%PDF-1";
+ private static long TEST_TIMEOUT = 20000L;
+
+ private static class LayoutResultCallbackWrapperMock implements
+ PrintDocumentAdapterWrapper.LayoutResultCallbackWrapper {
+ @Override
+ public void onLayoutFinished(PrintDocumentInfo info, boolean changed) {}
+
+ @Override
+ public void onLayoutFailed(CharSequence error) {}
+
+ @Override
+ public void onLayoutCancelled() {}
+ }
+
+ private static class WriteResultCallbackWrapperMock implements
+ PrintDocumentAdapterWrapper.WriteResultCallbackWrapper {
+ @Override
+ public void onWriteFinished(PageRange[] pages) {}
+
+ @Override
+ public void onWriteFailed(CharSequence error) {}
+
+ @Override
+ public void onWriteCancelled() {}
+ }
+
+ /**
+ * Test a basic printing flow by emulating the corresponding system calls to the printing
+ * controller: onStart, onLayout, onWrite, onFinish. Each one is called once, and in this
+ * order, in the UI thread.
+ */
+ @LargeTest
+ @Feature({"Printing"})
+ public void testNormalPrintingFlow() throws Throwable {
+ if (!ApiCompatibilityUtils.isPrintingSupported()) return;
+
+ final TestShellTab currentTab = launchChromiumTestShellWithUrl(URL).getActiveTab();
+ assertTrue(waitForActiveShellToBeDoneLoading());
+
+ final PrintManagerDelegate mockPrintManagerDelegate = new PrintManagerDelegate() {
+ @Override
+ public void print(String printJobName,
+ PrintDocumentAdapter documentAdapter,
+ PrintAttributes attributes) {
+ // Do nothing, as we will emulate the framework call sequence within the test.
+ }
+ };
+ final PrintingControllerImpl printingController =
+ (PrintingControllerImpl) PrintingControllerImpl.create(mockPrintManagerDelegate,
+ new PrintDocumentAdapterWrapper(), PRINT_JOB_NAME);
+
+ startController(printingController, currentTab);
+ // {@link PrintDocumentAdapter#onStart} is always called first.
+ callStartOnUiThread(printingController);
+
+ // Create a temporary file to save the PDF.
+ final File cacheDir = getInstrumentation().getTargetContext().getCacheDir();
+ final File tempFile = File.createTempFile(TEMP_FILE_NAME, TEMP_FILE_EXTENSION, cacheDir);
+ final ParcelFileDescriptor fileDescriptor =
+ ParcelFileDescriptor.open(tempFile, (ParcelFileDescriptor.MODE_CREATE |
+ ParcelFileDescriptor.MODE_READ_WRITE));
+
+ PrintAttributes attributes = new PrintAttributes.Builder()
+ .setMediaSize(PrintAttributes.MediaSize.ISO_A4)
+ .setResolution(new PrintAttributes.Resolution("foo", "bar", 300, 300))
+ .setMinMargins(PrintAttributes.Margins.NO_MARGINS)
+ .build();
+
+ // Use this to wait for PDF generation to complete, as it will happen asynchronously.
+ final FutureTask<Boolean> result =
+ new FutureTask<Boolean>(new Callable<Boolean>() {
+ @Override
+ public Boolean call() {
+ return true;
+ }
+ });
+
+ callLayoutOnUiThread(
+ printingController,
+ null,
+ attributes,
+ new LayoutResultCallbackWrapperMock() {
+ // Called on UI thread
+ @Override
+ public void onLayoutFinished(PrintDocumentInfo info, boolean changed) {
+ callWriteOnUiThread(printingController, fileDescriptor, result);
+ }
+ });
+
+ FileInputStream in = null;
+ try {
+ // This blocks until the PDF is generated.
+ result.get(TEST_TIMEOUT, TimeUnit.MILLISECONDS);
+ assertTrue(tempFile.length() > 0);
+ in = new FileInputStream(tempFile);
+ byte[] b = new byte[PDF_PREAMBLE.length()];
+ in.read(b);
+ String preamble = new String(b);
+ assertEquals(PDF_PREAMBLE, preamble);
+ } finally {
+ callFinishOnUiThread(printingController);
+ if (in != null) in.close();
+ // Close the descriptor, if not closed already.
+ fileDescriptor.close();
+ TestFileUtil.deleteFile(tempFile.getAbsolutePath());
+ }
+
+ }
+
+ private void startController(final PrintingControllerImpl controller, final TestShellTab tab) {
+ try {
+ runTestOnUiThread(new Runnable() {
+ @Override
+ public void run() {
+ controller.startPrint(new TabPrinter(tab));
+ }
+ });
+ } catch (Throwable e) {
+ fail("Error on calling startPrint of PrintingControllerImpl " + e);
+ }
+ }
+
+ private void callStartOnUiThread(final PrintingControllerImpl controller) {
+ try {
+ runTestOnUiThread(new Runnable() {
+ @Override
+ public void run() {
+ controller.onStart();
+ }
+ });
+ } catch (Throwable e) {
+ fail("Error on calling onStart of PrintingControllerImpl " + e);
+ }
+ }
+
+ private void callLayoutOnUiThread(
+ final PrintingControllerImpl controller,
+ final PrintAttributes oldAttributes,
+ final PrintAttributes newAttributes,
+ final PrintDocumentAdapterWrapper.LayoutResultCallbackWrapper layoutResultCallback) {
+ try {
+ runTestOnUiThread(new Runnable() {
+ @Override
+ public void run() {
+ controller.onLayout(
+ oldAttributes,
+ newAttributes,
+ new CancellationSignal(),
+ layoutResultCallback,
+ null);
+ }
+ });
+ } catch (Throwable e) {
+ fail("Error on calling onLayout of PrintingControllerImpl " + e);
+ }
+ }
+
+ private void callWriteOnUiThread(
+ final PrintingControllerImpl controller,
+ final ParcelFileDescriptor descriptor,
+ final FutureTask<Boolean> result) {
+ try {
+ controller.onWrite(
+ new PageRange[] {PageRange.ALL_PAGES},
+ descriptor,
+ new CancellationSignal(),
+ new WriteResultCallbackWrapperMock() {
+ @Override
+ public void onWriteFinished(PageRange[] pages) {
+ try {
+ descriptor.close();
+ // Result is ready, signal to continue.
+ result.run();
+ } catch (IOException ex) {
+ fail("Failed file operation: " + ex.toString());
+ }
+ }
+ }
+ );
+ } catch (Throwable e) {
+ fail("Error on calling onWriteInternal of PrintingControllerImpl " + e);
+ }
+ }
+
+ private void callFinishOnUiThread(final PrintingControllerImpl controller) {
+ try {
+ runTestOnUiThread( new Runnable() {
+ @Override
+ public void run() {
+ controller.onFinish();
+ }
+ });
+ } catch (Throwable e) {
+ fail("Error on calling onFinish of PrintingControllerImpl " + e);
+ }
+ }
+} \ No newline at end of file
generated by cgit v1.1 at 2025-01-31 18:04:22 +0000