Translate physical keyboard accents to IME compositions.

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 684 matching lines @@
         assertEquals("", mConnection.getTextBeforeCursor(9, 0));
 
         // DEL (on empty input)
         deleteSurroundingText(mConnection, 1, 0);  // DEL on empty still sends 1,0
         assertEquals(KeyEvent.KEYCODE_DEL, mImeAdapter.mLastSyntheticKeyCode);
         assertEquals("", mConnection.getTextBeforeCursor(9, 0));
     }
 
     @SmallTest
     @Feature({"TextInput", "Main"})
+    public void testAccentKeyCodesFromPhysicalKeyboard() throws Throwable {
+        DOMUtils.focusNode(mWebContents, "textarea");
+        assertWaitForKeyboardStatus(true);
+
+        mConnection = (TestAdapterInputConnection) getAdapterInputConnection();
+        waitAndVerifyEditableCallback(mConnection.mImeUpdateQueue, 0, "", 0, 0, -1, -1);
+
+        // h
+        dispatchKeyEvent(mConnection, new KeyEvent(KeyEvent.ACTION_DOWN, KeyEvent.KEYCODE_H));
+        dispatchKeyEvent(mConnection, new KeyEvent(KeyEvent.ACTION_UP, KeyEvent.KEYCODE_H));
+        assertEquals("h", mConnection.getTextBeforeCursor(9, 0));
+
+        // ALT-i  (circumflex accent key on virtual keyboard)
+        dispatchKeyEvent(
+                mConnection, new KeyEvent(
+                        0, 0, KeyEvent.ACTION_DOWN, KeyEvent.KEYCODE_I, 0, KeyEvent.META_ALT_ON));
+        assertUpdateStateCall(mConnection, 1000);
+        assertEquals("hˆ", mConnection.getTextBeforeCursor(9, 0));
+        dispatchKeyEvent(
+                mConnection, new KeyEvent(
+                        0, 0, KeyEvent.ACTION_UP, KeyEvent.KEYCODE_I, 0, KeyEvent.META_ALT_ON));
+        assertEquals("hˆ", mConnection.getTextBeforeCursor(9, 0));
+
+        // o
+        dispatchKeyEvent(mConnection, new KeyEvent(KeyEvent.ACTION_DOWN, KeyEvent.KEYCODE_O));
+        assertUpdateStateCall(mConnection, 1000);
+        assertEquals("hô", mConnection.getTextBeforeCursor(9, 0));
+        dispatchKeyEvent(mConnection, new KeyEvent(KeyEvent.ACTION_UP, KeyEvent.KEYCODE_O));
+        assertEquals("hô", mConnection.getTextBeforeCursor(9, 0));
+        assertEquals(-1, mConnection.getComposingSpanEnd(mConnection.getEditable()));
+
+        // ALT-i
+        dispatchKeyEvent(
+                mConnection, new KeyEvent(
+                        0, 0, KeyEvent.ACTION_DOWN, KeyEvent.KEYCODE_I, 0, KeyEvent.META_ALT_ON));
+        assertUpdateStateCall(mConnection, 1000);
+        dispatchKeyEvent(
+                mConnection, new KeyEvent(
+                        0, 0, KeyEvent.ACTION_UP, KeyEvent.KEYCODE_I, 0, KeyEvent.META_ALT_ON));
+        assertEquals("hôˆ", mConnection.getTextBeforeCursor(9, 0));
+
+        // ALT-i again should have no effect
+        dispatchKeyEvent(
+                mConnection, new KeyEvent(
+                        0, 0, KeyEvent.ACTION_DOWN, KeyEvent.KEYCODE_I, 0, KeyEvent.META_ALT_ON));
+        assertUpdateStateCall(mConnection, 1000);
+        dispatchKeyEvent(
+                mConnection, new KeyEvent(
+                        0, 0, KeyEvent.ACTION_UP, KeyEvent.KEYCODE_I, 0, KeyEvent.META_ALT_ON));
+        assertEquals("hôˆ", mConnection.getTextBeforeCursor(9, 0));
+
+        // b (cannot be accented, should just appear after)
+        dispatchKeyEvent(mConnection, new KeyEvent(KeyEvent.ACTION_DOWN, KeyEvent.KEYCODE_B));
+        assertUpdateStateCall(mConnection, 1000);
+        assertEquals("hôˆb", mConnection.getTextBeforeCursor(9, 0));
+        dispatchKeyEvent(mConnection, new KeyEvent(KeyEvent.ACTION_UP, KeyEvent.KEYCODE_B));
+        assertEquals("hôˆb", mConnection.getTextBeforeCursor(9, 0));
+        assertEquals(-1, mConnection.getComposingSpanEnd(mConnection.getEditable()));
+
+        // ALT-i
+        dispatchKeyEvent(
+                mConnection, new KeyEvent(
+                        0, 0, KeyEvent.ACTION_DOWN, KeyEvent.KEYCODE_I, 0, KeyEvent.META_ALT_ON));
+        assertUpdateStateCall(mConnection, 1000);
+        dispatchKeyEvent(
+                mConnection, new KeyEvent(
+                        0, 0, KeyEvent.ACTION_UP, KeyEvent.KEYCODE_I, 0, KeyEvent.META_ALT_ON));
+        assertEquals("hôˆbˆ", mConnection.getTextBeforeCursor(9, 0));
+
+        // Backspace
+        dispatchKeyEvent(mConnection, new KeyEvent(KeyEvent.ACTION_DOWN, KeyEvent.KEYCODE_DEL));
+        assertUpdateStateCall(mConnection, 1000);
+        assertEquals("hôˆb", mConnection.getTextBeforeCursor(9, 0));
+        dispatchKeyEvent(mConnection, new KeyEvent(KeyEvent.ACTION_UP, KeyEvent.KEYCODE_DEL));
+        assertEquals("hôˆb", mConnection.getTextBeforeCursor(9, 0));
+        assertEquals(-1, mConnection.getComposingSpanEnd(mConnection.getEditable()));
+    }
+
+    @SmallTest
+    @Feature({"TextInput", "Main"})
     public void testSetComposingRegionOutOfBounds() throws Throwable {
         DOMUtils.focusNode(mWebContents, "textarea");
         assertWaitForKeyboardStatus(true);
 
         mConnection = (TestAdapterInputConnection) getAdapterInputConnection();
         waitAndVerifyEditableCallback(mConnection.mImeUpdateQueue, 0, "", 0, 0, -1, -1);
         setComposingText(mConnection, "hello", 1);
 
         setComposingRegion(mConnection, 0, 0);
         setComposingRegion(mConnection, 0, 9);
@@ skipping 334 matching lines @@
     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 void dispatchKeyEvent(final AdapterInputConnection connection, final KeyEvent event) {
+        ThreadUtils.runOnUiThreadBlocking(new Runnable() {
+            @Override
+            public void run() {
+                mImeAdapter.dispatchKeyEvent(event);
+            }
+        });
+    }
+
     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);
         }
     }
 }