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Merge "Defer disk-intensive tasks until after the keyboard is shown"

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Jean Chalard 2013-06-21 10:57:33 +00:00 committed by Android (Google) Code Review
commit b7a2fd16a1
1 changed files with 33 additions and 9 deletions
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42
java/src/com/android/inputmethod/latin/LatinIME.java
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@ -201,6 +201,7 @@ public class LatinIME extends InputMethodService implements KeyboardActionListen
private static final int MSG_UPDATE_SUGGESTION_STRIP = 2;
private static final int MSG_SHOW_GESTURE_PREVIEW_AND_SUGGESTION_STRIP = 3;
private static final int MSG_RESUME_SUGGESTIONS = 4;
private static final int MSG_REOPEN_DICTIONARIES = 5;
private static final int ARG1_DISMISS_GESTURE_FLOATING_PREVIEW_TEXT = 1;
@ -241,6 +242,13 @@ public class LatinIME extends InputMethodService implements KeyboardActionListen
case MSG_RESUME_SUGGESTIONS:
latinIme.restartSuggestionsOnWordTouchedByCursor();
break;
case MSG_REOPEN_DICTIONARIES:
latinIme.initSuggest();
// In theory we could call latinIme.updateSuggestionStrip() right away, but
// in the practice, the dictionary is not finished opening yet so we wouldn't
// get any suggestions. Wait one frame.
postUpdateSuggestionStrip();
break;
}
}
@ -248,6 +256,10 @@ public class LatinIME extends InputMethodService implements KeyboardActionListen
sendMessageDelayed(obtainMessage(MSG_UPDATE_SUGGESTION_STRIP), mDelayUpdateSuggestions);
}
public void postReopenDictionaries() {
sendMessage(obtainMessage(MSG_REOPEN_DICTIONARIES));
}
public void postResumeSuggestions() {
removeMessages(MSG_RESUME_SUGGESTIONS);
sendMessageDelayed(obtainMessage(MSG_RESUME_SUGGESTIONS), mDelayUpdateSuggestions);
@ -261,6 +273,10 @@ public class LatinIME extends InputMethodService implements KeyboardActionListen
return hasMessages(MSG_UPDATE_SUGGESTION_STRIP);
}
public boolean hasPendingReopenDictionaries() {
return hasMessages(MSG_REOPEN_DICTIONARIES);
}
public void postUpdateShiftState() {
removeMessages(MSG_UPDATE_SHIFT_STATE);
sendMessageDelayed(obtainMessage(MSG_UPDATE_SHIFT_STATE), mDelayUpdateShiftState);
@ -474,8 +490,17 @@ public class LatinIME extends InputMethodService implements KeyboardActionListen
new InputAttributes(getCurrentInputEditorInfo(), isFullscreenMode());
mSettings.loadSettings(locale, inputAttributes);
AudioAndHapticFeedbackManager.getInstance().onSettingsChanged(mSettings.getCurrent());
// May need to reset the contacts dictionary depending on the user settings.
resetContactsDictionary(null == mSuggest ? null : mSuggest.getContactsDictionary());
// To load the keyboard we need to load all the settings once, but resetting the
// contacts dictionary should be deferred until after the new layout has been displayed
// to improve responsivity. In the language switching process, we post a reopenDictionaries
// message, then come here to read the settings for the new language before we change
// the layout; at this time, we need to skip resetting the contacts dictionary. It will
// be done later inside {@see #initSuggest()} when the reopenDictionaries message is
// processed.
if (!mHandler.hasPendingReopenDictionaries()) {
// May need to reset the contacts dictionary depending on the user settings.
resetContactsDictionary(null == mSuggest ? null : mSuggest.getContactsDictionary());
}
}
// Note that this method is called from a non-UI thread.
@ -2619,18 +2644,17 @@ public class LatinIME extends InputMethodService implements KeyboardActionListen
// Outside LatinIME, only used by the {@link InputTestsBase} test suite.
@UsedForTesting
void loadKeyboard() {
// TODO: Why are we calling {@link #loadSettings()} and {@link #initSuggest()} in a
// different order than in {@link #onStartInputView}?
initSuggest();
// Since we are switching languages, the most urgent thing is to let the keyboard graphics
// update. LoadKeyboard does that, but we need to wait for buffer flip for it to be on
// the screen. Anything we do right now will delay this, so wait until the next frame
// before we do the rest, like reopening dictionaries and updating suggestions. So we
// post a message.
mHandler.postReopenDictionaries();
loadSettings();
if (mKeyboardSwitcher.getMainKeyboardView() != null) {
// Reload keyboard because the current language has been changed.
mKeyboardSwitcher.loadKeyboard(getCurrentInputEditorInfo(), mSettings.getCurrent());
}
// Since we just changed languages, we should re-evaluate suggestions with whatever word
// we are currently composing. If we are not composing anything, we may want to display
// predictions or punctuation signs (which is done by the updateSuggestionStrip anyway).
mHandler.postUpdateSuggestionStrip();
}
// Callback called by PointerTracker through the KeyboardActionListener. This is called when a