1 files changed, 30 insertions, 3 deletions

diff --git a/java/src/com/android/inputmethod/latin/LatinIME.java b/java/src/com/android/inputmethod/latin/LatinIME.java
index 2e3cd6b6f..9b629ca14 100644
--- a/java/src/com/android/inputmethod/latin/LatinIME.java
+++ b/java/src/com/android/inputmethod/latin/LatinIME.java
@@ -145,6 +145,8 @@ public class LatinIME extends InputMethodService implements KeyboardActionListen
     // If it turns out we need several, it will get grown seamlessly.
     final SparseArray<HardwareEventDecoder> mHardwareEventDecoders = new SparseArray<>(1);
 
+    // TODO: Move these {@link View}s to {@link KeyboardSwitcher}.
+    private View mInputView;
     private View mExtractArea;
     private View mKeyPreviewBackingView;
     private SuggestionStripView mSuggestionStripView;
@@ -153,6 +155,7 @@ public class LatinIME extends InputMethodService implements KeyboardActionListen
     @UsedForTesting final KeyboardSwitcher mKeyboardSwitcher;
     private final SubtypeSwitcher mSubtypeSwitcher;
     private final SubtypeState mSubtypeState = new SubtypeState();
+    private final SpecialKeyDetector mSpecialKeyDetector = new SpecialKeyDetector();
 
     // Object for reacting to adding/removing a dictionary pack.
     private final BroadcastReceiver mDictionaryPackInstallReceiver =
@@ -709,6 +712,7 @@ public class LatinIME extends InputMethodService implements KeyboardActionListen
     @Override
     public void setInputView(final View view) {
         super.setInputView(view);
+        mInputView = view;
         mExtractArea = getWindow().getWindow().getDecorView()
                 .findViewById(android.R.id.extractArea);
         mKeyPreviewBackingView = view.findViewById(R.id.key_preview_backing);
@@ -1079,6 +1083,14 @@ public class LatinIME extends InputMethodService implements KeyboardActionListen
         if (visibleKeyboardView == null || !hasSuggestionStripView()) {
             return;
         }
+        final boolean hasHardwareKeyboard = mKeyboardSwitcher.hasHardwareKeyboard();
+        if (hasHardwareKeyboard && visibleKeyboardView.getVisibility() == View.GONE) {
+            // If there is a hardware keyboard and a visible software keyboard view has been hidden,
+            // no visual element will be shown on the screen.
+            outInsets.touchableInsets = mInputView.getHeight();
+            outInsets.visibleTopInsets = mInputView.getHeight();
+            return;
+        }
         final int adjustedBackingHeight = getAdjustedBackingViewHeight();
         final boolean backingGone = (mKeyPreviewBackingView.getVisibility() == View.GONE);
         final int backingHeight = backingGone ? 0 : adjustedBackingHeight;
@@ -1111,7 +1123,17 @@ public class LatinIME extends InputMethodService implements KeyboardActionListen
     }
 
     @Override
+    public boolean onEvaluateInputViewShown() {
+        // Always show {@link InputView}.
+        return true;
+    }
+
+    @Override
     public boolean onEvaluateFullscreenMode() {
+        if (mKeyboardSwitcher.hasHardwareKeyboard()) {
+            // If there is a hardware keyboard, disable full screen mode.
+            return false;
+        }
         // Reread resource value here, because this method is called by the framework as needed.
         final boolean isFullscreenModeAllowed = Settings.readUseFullscreenMode(getResources());
         if (super.onEvaluateFullscreenMode() && isFullscreenModeAllowed) {
@@ -1568,6 +1590,7 @@ public class LatinIME extends InputMethodService implements KeyboardActionListen
     // Hooks for hardware keyboard
     @Override
     public boolean onKeyDown(final int keyCode, final KeyEvent keyEvent) {
+        mSpecialKeyDetector.onKeyDown(keyEvent);
         if (!ProductionFlags.IS_HARDWARE_KEYBOARD_SUPPORTED) {
             return super.onKeyDown(keyCode, keyEvent);
         }
@@ -1587,12 +1610,16 @@ public class LatinIME extends InputMethodService implements KeyboardActionListen
     }
 
     @Override
-    public boolean onKeyUp(final int keyCode, final KeyEvent event) {
-        final long keyIdentifier = event.getDeviceId() << 32 + event.getKeyCode();
+    public boolean onKeyUp(final int keyCode, final KeyEvent keyEvent) {
+        mSpecialKeyDetector.onKeyUp(keyEvent);
+        if (!ProductionFlags.IS_HARDWARE_KEYBOARD_SUPPORTED) {
+            return super.onKeyUp(keyCode, keyEvent);
+        }
+        final long keyIdentifier = keyEvent.getDeviceId() << 32 + keyEvent.getKeyCode();
         if (mInputLogic.mCurrentlyPressedHardwareKeys.remove(keyIdentifier)) {
             return true;
         }
-        return super.onKeyUp(keyCode, event);
+        return super.onKeyUp(keyCode, keyEvent);
     }
 
     // onKeyDown and onKeyUp are the main events we are interested in. There are two more events