Show important notice strip

Bug: 10587358
Change-Id: I1af3faa59afb2fc4cb90176acff1c2b0b1ba369c

java/src/com/android/inputmethod/latin/LatinIME.java

@@ -1350,8 +1350,17 @@ public class LatinIME extends InputMethodService implements KeyboardActionListen
     public void setSuggestedWords(final SuggestedWords suggestedWords, final boolean shouldShow) {
         mInputLogic.setSuggestedWords(suggestedWords);
         if (mSuggestionStripView != null) {
-            mSuggestionStripView.setSuggestions(suggestedWords,
-                    SubtypeLocaleUtils.isRtlLanguage(mSubtypeSwitcher.getCurrentSubtype()));
+            final boolean showSuggestions;
+            if (SuggestedWords.EMPTY == suggestedWords
+                    || suggestedWords.mIsPunctuationSuggestions) {
+                showSuggestions = !mSuggestionStripView.maybeShowImportantNoticeTitle();
+            } else {
+                showSuggestions = true;
+            }
+            if (showSuggestions) {
+                mSuggestionStripView.setSuggestions(suggestedWords,
+                        SubtypeLocaleUtils.isRtlLanguage(mSubtypeSwitcher.getCurrentSubtype()));
+            }
             mKeyboardSwitcher.onAutoCorrectionStateChanged(suggestedWords.mWillAutoCorrect);
             setSuggestionStripShownInternal(shouldShow, true /* needsInputViewShown */);
         }

java/src/com/android/inputmethod/latin/suggestions/SuggestionStripLayoutHelper.java

@@ -504,15 +504,9 @@ final class SuggestionStripLayoutHelper {
                 titleView, infoIcon, null, moreIcon, null);
         final CharSequence importantNoticeTitle = titleView.getText();
         titleView.setTextScaleX(1.0f); // Reset textScaleX.
-        // When the suggestions strip is displayed first time, stripWidth may be zero.
-        // Then importantNoticeTitle will be displayed as is without auto text scaleX.
-        // TODO: Fix the logic to always have a correct value of stripWidth.
-        if (width > 0) {
-            // Auto text scaleX to show entire important notice title should be on the strip.
-            final float titleScaleX = getTextScaleX(
-                    importantNoticeTitle, width, titleView.getPaint());
-            titleView.setTextScaleX(titleScaleX);
-        }
+        final float titleScaleX = getTextScaleX(
+                importantNoticeTitle, width, titleView.getPaint());
+        titleView.setTextScaleX(titleScaleX);
     }
 
     static void setLayoutWeight(final View v, final float weight, final int height) {
@@ -529,7 +523,7 @@ final class SuggestionStripLayoutHelper {
             final TextPaint paint) {
         paint.setTextScaleX(1.0f);
         final int width = getTextWidth(text, paint);
-        if (width <= maxWidth) {
+        if (width <= maxWidth || maxWidth <= 0) {
             return 1.0f;
         }
         return maxWidth / (float)width;

java/src/com/android/inputmethod/latin/suggestions/SuggestionStripView.java

@@ -46,6 +46,7 @@ import com.android.inputmethod.latin.SuggestedWords.SuggestedWordInfo;
 import com.android.inputmethod.latin.define.ProductionFlag;
 import com.android.inputmethod.latin.suggestions.MoreSuggestions.MoreSuggestionsListener;
 import com.android.inputmethod.latin.utils.CollectionUtils;
+import com.android.inputmethod.latin.utils.ImportantNoticeUtils;
 import com.android.inputmethod.research.ResearchLogger;
 
 import java.util.ArrayList;
@@ -220,11 +221,20 @@ public final class SuggestionStripView extends RelativeLayout implements OnClick
         return false;
     }
 
-    // TODO: This method should be called after this View has been attached and displayed.
-    public void showImportantNoticeTitle() {
-        mLayoutHelper.layoutImportantNotice(mImportantNoticeStrip, getWidth());
+    // This method checks if we should show the important notice (checks on permanent storage if
+    // it has been shown once already or not, and if in the setup wizard). If applicable, it shows
+    // the notice. In all cases, it returns true if it was shown, false otherwise.
+    public boolean maybeShowImportantNoticeTitle() {
+        if (!ImportantNoticeUtils.hasNewImportantNotice(getContext())
+                || ImportantNoticeUtils.isInSystemSetupWizard(getContext())) {
+            return false;
+        }
+        final int width = getWidth();
+        if (width <= 0) return false;
+        mLayoutHelper.layoutImportantNotice(mImportantNoticeStrip, width);
         mStripVisibilityGroup.showImportantNoticeStrip();
         mImportantNoticeStrip.setOnClickListener(this);
+        return true;
     }
 
     public void clear() {
@@ -415,4 +425,11 @@ public final class SuggestionStripView extends RelativeLayout implements OnClick
         super.onDetachedFromWindow();
         dismissMoreSuggestionsPanel();
     }
+
+    @Override
+    protected void onSizeChanged(int w, int h, int oldw, int oldh) {
+        // Called by the framework when the size is known. Show the important notice if applicable.
+        // This may be overriden by showing suggestions later, if applicable.
+        maybeShowImportantNoticeTitle();
+    }
 }