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Refactor key preview related code in KeyboardView 

Change-Id: Ib8f08cb4f5e03d0c32c32a0ea0363ce3d72fc050
main
Tadashi G. Takaoka 2011-04-18 17:00:58 +09:00
parent a0efebf304
commit 3f2653ba60
1 changed files with 25 additions and 11 deletions
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34
java/src/com/android/inputmethod/keyboard/KeyboardView.java
View File

@ -118,6 +118,7 @@ public class KeyboardView extends View implements PointerTracker.UIProxy {
private int mPopupPreviewDisplayedY; private int mPopupPreviewDisplayedY;
private final int mDelayBeforePreview; private final int mDelayBeforePreview;
private final int mDelayAfterPreview; private final int mDelayAfterPreview;
private ViewGroup mPreviewPlacer;
// Popup mini keyboard // Popup mini keyboard
private PopupWindow mMiniKeyboardPopup; private PopupWindow mMiniKeyboardPopup;
@ -898,22 +899,35 @@ public class KeyboardView extends View implements PointerTracker.UIProxy {
} }
} }
// TODO: Introduce minimum duration for displaying key previews private void addKeyPreview(TextView keyPreview) {
// TODO: Display up to two key previews when the user presses two keys at the same time ViewGroup placer = mPreviewPlacer;
private void showKey(final int keyIndex, PointerTracker tracker) { if (placer == null) {
// If the preview popup has no parent view yet, add it to the screen FrameLayout. final FrameLayout screenContent = (FrameLayout) getRootView().findViewById(
if (mPreviewText.getParent() == null) { android.R.id.content);
final FrameLayout screenContent = (FrameLayout) getRootView()
.findViewById(android.R.id.content);
if (android.os.Build.VERSION.SDK_INT >= /* HONEYCOMB */11) { if (android.os.Build.VERSION.SDK_INT >= /* HONEYCOMB */11) {
screenContent.addView(mPreviewText, new FrameLayout.LayoutParams(0, 0)); placer = screenContent;
} else { } else {
// Insert LinearLayout to be able to setMargin because pre-Honeycomb FrameLayout // Insert LinearLayout to be able to setMargin because pre-Honeycomb FrameLayout
// could not handle setMargin properly. // could not handle setMargin properly.
final LinearLayout placer = new LinearLayout(getContext()); placer = new LinearLayout(getContext());
screenContent.addView(placer); screenContent.addView(placer);
placer.addView(mPreviewText, new LinearLayout.LayoutParams(0, 0));
} }
mPreviewPlacer = placer;
}
if (placer instanceof FrameLayout) {
placer.addView(keyPreview, new FrameLayout.LayoutParams(0, 0));
} else {
placer.addView(keyPreview, new LinearLayout.LayoutParams(0, 0));
}
}
// TODO: Introduce minimum duration for displaying key previews
// TODO: Display up to two key previews when the user presses two keys at the same time
private void showKey(final int keyIndex, PointerTracker tracker) {
// If the preview popup has no parent view yet, add it to the ViewGroup which can place
// key preview absolutely in SoftInputWindow.
if (mPreviewText.getParent() == null) {
addKeyPreview(mPreviewText);
} }
final Key key = tracker.getKey(keyIndex); final Key key = tracker.getKey(keyIndex);