Send correct key-codes when doing composition events instead of always 0.

content/public/android/javatests/src/org/chromium/content/browser/input/ImeTest.java

 // 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.content.browser.input;
 
 import android.app.Activity;
 import android.content.ClipData;
 import android.content.ClipboardManager;
 import android.content.Context;
@@ skipping 246 matching lines @@
 
         finishComposingText(mConnection);
         waitAndVerifyEditableCallback(mConnection.mImeUpdateQueue, 5, "hllo ", 1, 1, -1, -1);
 
         commitText(mConnection, "\n", 1);
         waitAndVerifyEditableCallback(mConnection.mImeUpdateQueue, 6, "h\nllo ", 2, 2, -1, -1);
     }
 
     @SmallTest
     @Feature({"TextInput", "Main"})
+    public void testGuessedKeycodeFromTyping() throws Throwable {
+        assertEquals(0, ImeAdapter.getTypedKeycodeGuess(null, ""));
+        assertEquals(KeyEvent.KEYCODE_X, ImeAdapter.getTypedKeycodeGuess(null, "x"));
+        assertEquals(0, ImeAdapter.getTypedKeycodeGuess(null, "xyz"));
+
+        assertEquals(0, ImeAdapter.getTypedKeycodeGuess("abc", "abc"));
+        assertEquals(KeyEvent.KEYCODE_DEL, ImeAdapter.getTypedKeycodeGuess("abc", ""));
+
+        assertEquals(KeyEvent.KEYCODE_H, ImeAdapter.getTypedKeycodeGuess("", "h"));
+        assertEquals(KeyEvent.KEYCODE_DEL, ImeAdapter.getTypedKeycodeGuess("h", ""));
+        assertEquals(KeyEvent.KEYCODE_E, ImeAdapter.getTypedKeycodeGuess("h", "he"));
+        assertEquals(KeyEvent.KEYCODE_L, ImeAdapter.getTypedKeycodeGuess("he", "hel"));
+        assertEquals(KeyEvent.KEYCODE_O, ImeAdapter.getTypedKeycodeGuess("hel", "helo"));
+        assertEquals(KeyEvent.KEYCODE_DEL, ImeAdapter.getTypedKeycodeGuess("helo", "hel"));
+        assertEquals(KeyEvent.KEYCODE_L, ImeAdapter.getTypedKeycodeGuess("hel", "hell"));
+        assertEquals(KeyEvent.KEYCODE_L, ImeAdapter.getTypedKeycodeGuess("hell", "helll"));
+        assertEquals(KeyEvent.KEYCODE_DEL, ImeAdapter.getTypedKeycodeGuess("helll", "hell"));
+        assertEquals(KeyEvent.KEYCODE_O, ImeAdapter.getTypedKeycodeGuess("hell", "hello"));
+
+        assertEquals(KeyEvent.KEYCODE_X, ImeAdapter.getTypedKeycodeGuess("xxx", "xxxx"));
+        assertEquals(KeyEvent.KEYCODE_X, ImeAdapter.getTypedKeycodeGuess("xxx", "xxxxx"));
+        assertEquals(KeyEvent.KEYCODE_DEL, ImeAdapter.getTypedKeycodeGuess("xxx", "xx"));
+        assertEquals(KeyEvent.KEYCODE_DEL, ImeAdapter.getTypedKeycodeGuess("xxx", "x"));
+
+        assertEquals(KeyEvent.KEYCODE_Y, ImeAdapter.getTypedKeycodeGuess("xxx", "xxxy"));
+        assertEquals(KeyEvent.KEYCODE_Y, ImeAdapter.getTypedKeycodeGuess("xxx", "xxxxy"));
+        assertEquals(0, ImeAdapter.getTypedKeycodeGuess("xxx", "xy"));
+        assertEquals(0, ImeAdapter.getTypedKeycodeGuess("xxx", "y"));
+
+        assertEquals(0, ImeAdapter.getTypedKeycodeGuess("foo", "bar"));
+        assertEquals(0, ImeAdapter.getTypedKeycodeGuess("foo", "bars"));
+        assertEquals(0, ImeAdapter.getTypedKeycodeGuess("foo", "ba"));
+    }
+
+    @SmallTest
+    @Feature({"TextInput", "Main"})
+    public void testKeyCodesWhileComposingText() throws Throwable {
+        DOMUtils.focusNode(mContentViewCore, "textarea");
+        assertWaitForKeyboardStatus(true);
+
+        // The calls below are a reflection of what the stock Google Keyboard (Android 4.4) sends
+        // when the noted key is touched on screen.  Exercise care when altering to make sure
+        // that the test reflects reality.  If this test breaks, it's possible that code has
+        // changed and different calls need to be made instead.
+        mConnection = (TestAdapterInputConnection) getAdapterInputConnection();
+        waitAndVerifyEditableCallback(mConnection.mImeUpdateQueue, 0, "", 0, 0, -1, -1);
+
+        // H
+        expectUpdateStateCall(mConnection);
+        setComposingText(mConnection, "h", 1);
+        assertEquals(KeyEvent.KEYCODE_H, mImeAdapter.mLastSyntheticKeyCode);
+        assertEquals("h", mConnection.getTextBeforeCursor(9, 0));
+        assertUpdateStateCall(mConnection, 1000);
+        assertEquals("h", mConnection.getTextBeforeCursor(9, 0));
+
+        // O
+        expectUpdateStateCall(mConnection);
+        setComposingText(mConnection, "ho", 1);
+        assertEquals(KeyEvent.KEYCODE_O, mImeAdapter.mLastSyntheticKeyCode);
+        assertEquals("ho", mConnection.getTextBeforeCursor(9, 0));
+        assertUpdateStateCall(mConnection, 1000);
+        assertEquals("ho", mConnection.getTextBeforeCursor(9, 0));
+
+        // DEL
+        expectUpdateStateCall(mConnection);
+        setComposingText(mConnection, "h", 1);
+        assertEquals(KeyEvent.KEYCODE_DEL, mImeAdapter.mLastSyntheticKeyCode);
+        assertEquals("h", mConnection.getTextBeforeCursor(9, 0));
+        assertUpdateStateCall(mConnection, 1000);
+        assertEquals("h", mConnection.getTextBeforeCursor(9, 0));
+        setComposingRegion(mConnection, 0, 1);  // DEL calls cancelComposition() then restarts
+
+        // I
+        setComposingText(mConnection, "hi", 1);
+        assertEquals(KeyEvent.KEYCODE_I, mImeAdapter.mLastSyntheticKeyCode);
+        assertEquals("hi", mConnection.getTextBeforeCursor(9, 0));
+
+        // SPACE
+        commitText(mConnection, "hi", 1);
+        assertEquals(0, mImeAdapter.mLastSyntheticKeyCode);
+        commitText(mConnection, " ", 1);
+        assertEquals(KeyEvent.KEYCODE_SPACE, mImeAdapter.mLastSyntheticKeyCode);
+        assertEquals("hi ", mConnection.getTextBeforeCursor(9, 0));
+
+        // DEL
+        deleteSurroundingText(mConnection, 1, 0);
+        assertEquals(KeyEvent.KEYCODE_DEL, mImeAdapter.mLastSyntheticKeyCode);
+        setComposingRegion(mConnection, 0, 2);
+        assertEquals("hi", mConnection.getTextBeforeCursor(9, 0));
+
+        // DEL
+        setComposingText(mConnection, "h", 1);
+        assertEquals(KeyEvent.KEYCODE_DEL, mImeAdapter.mLastSyntheticKeyCode);
+        assertEquals("h", mConnection.getTextBeforeCursor(9, 0));
+
+        // DEL
+        commitText(mConnection, "", 1);
+        assertEquals(KeyEvent.KEYCODE_DEL, mImeAdapter.mLastSyntheticKeyCode);
+        assertEquals("", mConnection.getTextBeforeCursor(9, 0));
+
+        // DEL (on empty input)
+        deleteSurroundingText(mConnection, 1, 0);  // BS on empty still sends 1,0
+        assertEquals(KeyEvent.KEYCODE_DEL, mImeAdapter.mLastSyntheticKeyCode);
+        assertEquals("", mConnection.getTextBeforeCursor(9, 0));
+    }
+
+    @SmallTest
+    @Feature({"TextInput", "Main"})
+    public void testKeyCodesWhileTypingText() throws Throwable {
+        DOMUtils.focusNode(mContentViewCore, "textarea");
+        assertWaitForKeyboardStatus(true);
+
+        // The calls below are a reflection of what the Hacker's Keyboard sends  when the noted
+        // key is touched on screen.  Exercise care when altering to make sure that the test
+        // reflects reality.
+        mConnection = (TestAdapterInputConnection) getAdapterInputConnection();
+        waitAndVerifyEditableCallback(mConnection.mImeUpdateQueue, 0, "", 0, 0, -1, -1);
+
+        // H
+        expectUpdateStateCall(mConnection);
+        commitText(mConnection, "h", 1);
+        assertEquals(KeyEvent.KEYCODE_H, mImeAdapter.mLastSyntheticKeyCode);
+        assertEquals("h", mConnection.getTextBeforeCursor(9, 0));
+        assertUpdateStateCall(mConnection, 1000);
+        assertEquals("h", mConnection.getTextBeforeCursor(9, 0));
+
+        // O
+        expectUpdateStateCall(mConnection);
+        commitText(mConnection, "o", 1);
+        assertEquals(KeyEvent.KEYCODE_O, mImeAdapter.mLastSyntheticKeyCode);
+        assertEquals("ho", mConnection.getTextBeforeCursor(9, 0));
+        assertUpdateStateCall(mConnection, 1000);
+        assertEquals("ho", mConnection.getTextBeforeCursor(9, 0));
+
+        // DEL
+        expectUpdateStateCall(mConnection);
+        deleteSurroundingText(mConnection, 1, 0);
+        assertEquals(KeyEvent.KEYCODE_DEL, mImeAdapter.mLastSyntheticKeyCode);
+        assertEquals("h", mConnection.getTextBeforeCursor(9, 0));
+        assertUpdateStateCall(mConnection, 1000);
+        assertEquals("h", mConnection.getTextBeforeCursor(9, 0));
+
+        // I
+        expectUpdateStateCall(mConnection);
+        commitText(mConnection, "i", 1);
+        assertEquals(KeyEvent.KEYCODE_I, mImeAdapter.mLastSyntheticKeyCode);
+        assertEquals("hi", mConnection.getTextBeforeCursor(9, 0));
+        assertUpdateStateCall(mConnection, 1000);
+        assertEquals("hi", mConnection.getTextBeforeCursor(9, 0));
+
+        // SPACE
+        expectUpdateStateCall(mConnection);
+        commitText(mConnection, " ", 1);
+        assertEquals(KeyEvent.KEYCODE_SPACE, mImeAdapter.mLastSyntheticKeyCode);
+        assertEquals("hi ", mConnection.getTextBeforeCursor(9, 0));
+        assertUpdateStateCall(mConnection, 1000);
+        assertEquals("hi ", mConnection.getTextBeforeCursor(9, 0));
+
+        // DEL
+        expectUpdateStateCall(mConnection);
+        deleteSurroundingText(mConnection, 1, 0);
+        assertEquals(KeyEvent.KEYCODE_DEL, mImeAdapter.mLastSyntheticKeyCode);
+        assertEquals("hi", mConnection.getTextBeforeCursor(9, 0));
+        assertUpdateStateCall(mConnection, 1000);
+        assertEquals("hi", mConnection.getTextBeforeCursor(9, 0));
+
+        // DEL
+        expectUpdateStateCall(mConnection);
+        deleteSurroundingText(mConnection, 1, 0);
+        assertEquals(KeyEvent.KEYCODE_DEL, mImeAdapter.mLastSyntheticKeyCode);
+        assertEquals("h", mConnection.getTextBeforeCursor(9, 0));
+        assertUpdateStateCall(mConnection, 1000);
+        assertEquals("h", mConnection.getTextBeforeCursor(9, 0));
+
+        // DEL
+        expectUpdateStateCall(mConnection);
+        deleteSurroundingText(mConnection, 1, 0);
+        assertEquals(KeyEvent.KEYCODE_DEL, mImeAdapter.mLastSyntheticKeyCode);
+        assertEquals("", mConnection.getTextBeforeCursor(9, 0));
+        assertUpdateStateCall(mConnection, 1000);
+        assertEquals("", mConnection.getTextBeforeCursor(9, 0));
+
+        // DEL (on empty input)
+        deleteSurroundingText(mConnection, 1, 0);  // BS on empty still sends 1,0
+        assertEquals(KeyEvent.KEYCODE_DEL, mImeAdapter.mLastSyntheticKeyCode);
+        assertEquals("", mConnection.getTextBeforeCursor(9, 0));
+    }
+
+    @SmallTest
+    @Feature({"TextInput", "Main"})
     public void testEnterKeyEventWhileComposingText() throws Throwable {
         DOMUtils.focusNode(mContentViewCore, "input_radio");
         assertWaitForKeyboardStatus(false);
         DOMUtils.focusNode(mContentViewCore, "textarea");
         assertWaitForKeyboardStatus(true);
 
         mConnection = (TestAdapterInputConnection) getAdapterInputConnection();
         waitAndVerifyEditableCallback(mConnection.mImeUpdateQueue, 0, "", 0, 0, -1, -1);
 
         setComposingText(mConnection, "hello", 1);
@@ skipping 43 matching lines @@
         assertTrue(CriteriaHelper.pollForCriteria(new Criteria() {
             @Override
             public boolean isSatisfied() {
                 return states.size() > index;
             }
         }));
         states.get(index).assertEqualState(
                 text, selectionStart, selectionEnd, compositionStart, compositionEnd);
     }
 
+    private void expectUpdateStateCall(final TestAdapterInputConnection connection) {
+        connection.mImeUpdateQueue.clear();
+    }
+
+    private void assertUpdateStateCall(final TestAdapterInputConnection connection, int maxms)
+            throws Exception {
+        while (connection.mImeUpdateQueue.size() == 0 && maxms > 0) {
+            try {
+                Thread.sleep(50);
+            } catch (Exception e) {
+                // Not really a problem since we're just going to sleep again.
+            }
+            maxms -= 50;
+        }
+        assertTrue(connection.mImeUpdateQueue.size() > 0);
+    }
+
     private void assertClipboardContents(final Activity activity, final String expectedContents)
             throws InterruptedException {
         assertTrue(CriteriaHelper.pollForCriteria(new Criteria() {
             @Override
             public boolean isSatisfied() {
                 return ThreadUtils.runOnUiThreadBlockingNoException(new Callable<Boolean>() {
                     @Override
                     public Boolean call() throws Exception {
                         ClipboardManager clipboardManager =
                                 (ClipboardManager) activity.getSystemService(
@@ skipping 102 matching lines @@
 
     private void finishComposingText(final AdapterInputConnection connection) {
         ThreadUtils.runOnUiThreadBlocking(new Runnable() {
             @Override
             public void run() {
                 connection.finishComposingText();
             }
         });
     }
 
+    private void deleteSurroundingText(final AdapterInputConnection connection, final int before,
+            final int after) {
+        ThreadUtils.runOnUiThreadBlocking(new Runnable() {
+            @Override
+            public void run() {
+                connection.deleteSurroundingText(before, after);
+            }
+        });
+    }
+
     private static class TestAdapterInputConnectionFactory extends
             ImeAdapter.AdapterInputConnectionFactory {
         @Override
         public AdapterInputConnection get(View view, ImeAdapter imeAdapter,
                 Editable editable, EditorInfo outAttrs) {
             return new TestAdapterInputConnection(view, imeAdapter, editable, outAttrs);
         }
     }
 
     private static class TestAdapterInputConnection extends AdapterInputConnection {
@@ skipping 33 matching lines @@
         public void assertEqualState(String text, int selectionStart, int selectionEnd,
                 int compositionStart, int compositionEnd) {
             assertEquals("Text did not match", text, mText);
             assertEquals("Selection start did not match", selectionStart, mSelectionStart);
             assertEquals("Selection end did not match", selectionEnd, mSelectionEnd);
             assertEquals("Composition start did not match", compositionStart, mCompositionStart);
             assertEquals("Composition end did not match", compositionEnd, mCompositionEnd);
         }
     }
 }