Examples with CharacterStyle android.text.style.CharacterStyle used on opensource projects

Example 36 with CharacterStyle

use of android.text.style.CharacterStyle in project android_frameworks_base by AOSPA.

the class TextLine method handleRun.

/**
     * Utility function for handling a unidirectional run.  The run must not
     * contain tabs but can contain styles.
     *
     *
     * @param start the line-relative start of the run
     * @param measureLimit the offset to measure to, between start and limit inclusive
     * @param limit the limit of the run
     * @param runIsRtl true if the run is right-to-left
     * @param c the canvas, can be null
     * @param x the end of the run closest to the leading margin
     * @param top the top of the line
     * @param y the baseline
     * @param bottom the bottom of the line
     * @param fmi receives metrics information, can be null
     * @param needWidth true if the width is required
     * @return the signed width of the run based on the run direction; only
     * valid if needWidth is true
     */
private float handleRun(int start, int measureLimit, int limit, boolean runIsRtl, Canvas c, float x, int top, int y, int bottom, FontMetricsInt fmi, boolean needWidth) {
    // Case of an empty line, make sure we update fmi according to mPaint
    if (start == measureLimit) {
        TextPaint wp = mWorkPaint;
        wp.set(mPaint);
        if (fmi != null) {
            expandMetricsFromPaint(fmi, wp);
        }
        return 0f;
    }
    if (mSpanned == null) {
        TextPaint wp = mWorkPaint;
        wp.set(mPaint);
        final int mlimit = measureLimit;
        return handleText(wp, start, limit, start, limit, runIsRtl, c, x, top, y, bottom, fmi, needWidth || mlimit < measureLimit, mlimit);
    }
    mMetricAffectingSpanSpanSet.init(mSpanned, mStart + start, mStart + limit);
    mCharacterStyleSpanSet.init(mSpanned, mStart + start, mStart + limit);
    // Shaping needs to take into account context up to metric boundaries,
    // but rendering needs to take into account character style boundaries.
    // So we iterate through metric runs to get metric bounds,
    // then within each metric run iterate through character style runs
    // for the run bounds.
    final float originalX = x;
    for (int i = start, inext; i < measureLimit; i = inext) {
        TextPaint wp = mWorkPaint;
        wp.set(mPaint);
        inext = mMetricAffectingSpanSpanSet.getNextTransition(mStart + i, mStart + limit) - mStart;
        int mlimit = Math.min(inext, measureLimit);
        ReplacementSpan replacement = null;
        for (int j = 0; j < mMetricAffectingSpanSpanSet.numberOfSpans; j++) {
            // empty by construction. This special case in getSpans() explains the >= & <= tests
            if ((mMetricAffectingSpanSpanSet.spanStarts[j] >= mStart + mlimit) || (mMetricAffectingSpanSpanSet.spanEnds[j] <= mStart + i))
                continue;
            MetricAffectingSpan span = mMetricAffectingSpanSpanSet.spans[j];
            if (span instanceof ReplacementSpan) {
                replacement = (ReplacementSpan) span;
            } else {
                // We might have a replacement that uses the draw
                // state, otherwise measure state would suffice.
                span.updateDrawState(wp);
            }
        }
        if (replacement != null) {
            x += handleReplacement(replacement, wp, i, mlimit, runIsRtl, c, x, top, y, bottom, fmi, needWidth || mlimit < measureLimit);
            continue;
        }
        for (int j = i, jnext; j < mlimit; j = jnext) {
            jnext = mCharacterStyleSpanSet.getNextTransition(mStart + j, mStart + inext) - mStart;
            int offset = Math.min(jnext, mlimit);
            wp.set(mPaint);
            for (int k = 0; k < mCharacterStyleSpanSet.numberOfSpans; k++) {
                // Intentionally using >= and <= as explained above
                if ((mCharacterStyleSpanSet.spanStarts[k] >= mStart + offset) || (mCharacterStyleSpanSet.spanEnds[k] <= mStart + j))
                    continue;
                CharacterStyle span = mCharacterStyleSpanSet.spans[k];
                span.updateDrawState(wp);
            }
            // Only draw hyphen on last run in line
            if (jnext < mLen) {
                wp.setHyphenEdit(0);
            }
            x += handleText(wp, j, jnext, i, inext, runIsRtl, c, x, top, y, bottom, fmi, needWidth || jnext < measureLimit, offset);
        }
    }
    return x - originalX;
}

Example 37 with CharacterStyle

use of android.text.style.CharacterStyle in project android_frameworks_base by AOSPA.

the class TextView method spanChange.

/**
     * Not private so it can be called from an inner class without going
     * through a thunk.
     */
void spanChange(Spanned buf, Object what, int oldStart, int newStart, int oldEnd, int newEnd) {
    // XXX Make the start and end move together if this ends up
    // spending too much time invalidating.
    boolean selChanged = false;
    int newSelStart = -1, newSelEnd = -1;
    final Editor.InputMethodState ims = mEditor == null ? null : mEditor.mInputMethodState;
    if (what == Selection.SELECTION_END) {
        selChanged = true;
        newSelEnd = newStart;
        if (oldStart >= 0 || newStart >= 0) {
            invalidateCursor(Selection.getSelectionStart(buf), oldStart, newStart);
            checkForResize();
            registerForPreDraw();
            if (mEditor != null)
                mEditor.makeBlink();
        }
    }
    if (what == Selection.SELECTION_START) {
        selChanged = true;
        newSelStart = newStart;
        if (oldStart >= 0 || newStart >= 0) {
            int end = Selection.getSelectionEnd(buf);
            invalidateCursor(end, oldStart, newStart);
        }
    }
    if (selChanged) {
        mHighlightPathBogus = true;
        if (mEditor != null && !isFocused())
            mEditor.mSelectionMoved = true;
        if ((buf.getSpanFlags(what) & Spanned.SPAN_INTERMEDIATE) == 0) {
            if (newSelStart < 0) {
                newSelStart = Selection.getSelectionStart(buf);
            }
            if (newSelEnd < 0) {
                newSelEnd = Selection.getSelectionEnd(buf);
            }
            if (mEditor != null) {
                mEditor.refreshTextActionMode();
                if (!hasSelection() && mEditor.mTextActionMode == null && hasTransientState()) {
                    // User generated selection has been removed.
                    setHasTransientState(false);
                }
            }
            onSelectionChanged(newSelStart, newSelEnd);
        }
    }
    if (what instanceof UpdateAppearance || what instanceof ParagraphStyle || what instanceof CharacterStyle) {
        if (ims == null || ims.mBatchEditNesting == 0) {
            invalidate();
            mHighlightPathBogus = true;
            checkForResize();
        } else {
            ims.mContentChanged = true;
        }
        if (mEditor != null) {
            if (oldStart >= 0)
                mEditor.invalidateTextDisplayList(mLayout, oldStart, oldEnd);
            if (newStart >= 0)
                mEditor.invalidateTextDisplayList(mLayout, newStart, newEnd);
            mEditor.invalidateHandlesAndActionMode();
        }
    }
    if (MetaKeyKeyListener.isMetaTracker(buf, what)) {
        mHighlightPathBogus = true;
        if (ims != null && MetaKeyKeyListener.isSelectingMetaTracker(buf, what)) {
            ims.mSelectionModeChanged = true;
        }
        if (Selection.getSelectionStart(buf) >= 0) {
            if (ims == null || ims.mBatchEditNesting == 0) {
                invalidateCursor();
            } else {
                ims.mCursorChanged = true;
            }
        }
    }
    if (what instanceof ParcelableSpan) {
        // the current extract editor would be interested in it.
        if (ims != null && ims.mExtractedTextRequest != null) {
            if (ims.mBatchEditNesting != 0) {
                if (oldStart >= 0) {
                    if (ims.mChangedStart > oldStart) {
                        ims.mChangedStart = oldStart;
                    }
                    if (ims.mChangedStart > oldEnd) {
                        ims.mChangedStart = oldEnd;
                    }
                }
                if (newStart >= 0) {
                    if (ims.mChangedStart > newStart) {
                        ims.mChangedStart = newStart;
                    }
                    if (ims.mChangedStart > newEnd) {
                        ims.mChangedStart = newEnd;
                    }
                }
            } else {
                if (DEBUG_EXTRACT)
                    Log.v(LOG_TAG, "Span change outside of batch: " + oldStart + "-" + oldEnd + "," + newStart + "-" + newEnd + " " + what);
                ims.mContentChanged = true;
            }
        }
    }
    if (mEditor != null && mEditor.mSpellChecker != null && newStart < 0 && what instanceof SpellCheckSpan) {
        mEditor.mSpellChecker.onSpellCheckSpanRemoved((SpellCheckSpan) what);
    }
}

Example 38 with CharacterStyle

use of android.text.style.CharacterStyle in project android_frameworks_base by AOSPA.

the class Clock method getSmallTime.

private final CharSequence getSmallTime() {
    Context context = getContext();
    boolean is24 = DateFormat.is24HourFormat(context, ActivityManager.getCurrentUser());
    LocaleData d = LocaleData.get(context.getResources().getConfiguration().locale);
    final char MAGIC1 = '';
    final char MAGIC2 = '';
    SimpleDateFormat sdf;
    String format = mShowSeconds ? is24 ? d.timeFormat_Hms : d.timeFormat_hms : is24 ? d.timeFormat_Hm : d.timeFormat_hm;
    if (!format.equals(mClockFormatString)) {
        mContentDescriptionFormat = new SimpleDateFormat(format);
        /*
             * Search for an unquoted "a" in the format string, so we can
             * add dummy characters around it to let us find it again after
             * formatting and change its size.
             */
        if (mAmPmStyle != AM_PM_STYLE_NORMAL) {
            int a = -1;
            boolean quoted = false;
            for (int i = 0; i < format.length(); i++) {
                char c = format.charAt(i);
                if (c == '\'') {
                    quoted = !quoted;
                }
                if (!quoted && c == 'a') {
                    a = i;
                    break;
                }
            }
            if (a >= 0) {
                // Move a back so any whitespace before AM/PM is also in the alternate size.
                final int b = a;
                while (a > 0 && Character.isWhitespace(format.charAt(a - 1))) {
                    a--;
                }
                format = format.substring(0, a) + MAGIC1 + format.substring(a, b) + "a" + MAGIC2 + format.substring(b + 1);
            }
        }
        mClockFormat = sdf = new SimpleDateFormat(format);
        mClockFormatString = format;
    } else {
        sdf = mClockFormat;
    }
    String result = sdf.format(mCalendar.getTime());
    if (mAmPmStyle != AM_PM_STYLE_NORMAL) {
        int magic1 = result.indexOf(MAGIC1);
        int magic2 = result.indexOf(MAGIC2);
        if (magic1 >= 0 && magic2 > magic1) {
            SpannableStringBuilder formatted = new SpannableStringBuilder(result);
            if (mAmPmStyle == AM_PM_STYLE_GONE) {
                formatted.delete(magic1, magic2 + 1);
            } else {
                if (mAmPmStyle == AM_PM_STYLE_SMALL) {
                    CharacterStyle style = new RelativeSizeSpan(0.7f);
                    formatted.setSpan(style, magic1, magic2, Spannable.SPAN_EXCLUSIVE_INCLUSIVE);
                }
                formatted.delete(magic2, magic2 + 1);
                formatted.delete(magic1, magic1 + 1);
            }
            return formatted;
        }
    }
    return result;
}

Example 39 with CharacterStyle

use of android.text.style.CharacterStyle in project android_frameworks_base by AOSPA.

the class HtmlToSpannedConverter method withinParagraph.

private static void withinParagraph(StringBuilder out, Spanned text, int start, int end) {
    int next;
    for (int i = start; i < end; i = next) {
        next = text.nextSpanTransition(i, end, CharacterStyle.class);
        CharacterStyle[] style = text.getSpans(i, next, CharacterStyle.class);
        for (int j = 0; j < style.length; j++) {
            if (style[j] instanceof StyleSpan) {
                int s = ((StyleSpan) style[j]).getStyle();
                if ((s & Typeface.BOLD) != 0) {
                    out.append("<b>");
                }
                if ((s & Typeface.ITALIC) != 0) {
                    out.append("<i>");
                }
            }
            if (style[j] instanceof TypefaceSpan) {
                String s = ((TypefaceSpan) style[j]).getFamily();
                if ("monospace".equals(s)) {
                    out.append("<tt>");
                }
            }
            if (style[j] instanceof SuperscriptSpan) {
                out.append("<sup>");
            }
            if (style[j] instanceof SubscriptSpan) {
                out.append("<sub>");
            }
            if (style[j] instanceof UnderlineSpan) {
                out.append("<u>");
            }
            if (style[j] instanceof StrikethroughSpan) {
                out.append("<span style=\"text-decoration:line-through;\">");
            }
            if (style[j] instanceof URLSpan) {
                out.append("<a href=\"");
                out.append(((URLSpan) style[j]).getURL());
                out.append("\">");
            }
            if (style[j] instanceof ImageSpan) {
                out.append("<img src=\"");
                out.append(((ImageSpan) style[j]).getSource());
                out.append("\">");
                // Don't output the dummy character underlying the image.
                i = next;
            }
            if (style[j] instanceof AbsoluteSizeSpan) {
                AbsoluteSizeSpan s = ((AbsoluteSizeSpan) style[j]);
                float sizeDip = s.getSize();
                if (!s.getDip()) {
                    Application application = ActivityThread.currentApplication();
                    sizeDip /= application.getResources().getDisplayMetrics().density;
                }
                // px in CSS is the equivalance of dip in Android
                out.append(String.format("<span style=\"font-size:%.0fpx\";>", sizeDip));
            }
            if (style[j] instanceof RelativeSizeSpan) {
                float sizeEm = ((RelativeSizeSpan) style[j]).getSizeChange();
                out.append(String.format("<span style=\"font-size:%.2fem;\">", sizeEm));
            }
            if (style[j] instanceof ForegroundColorSpan) {
                int color = ((ForegroundColorSpan) style[j]).getForegroundColor();
                out.append(String.format("<span style=\"color:#%06X;\">", 0xFFFFFF & color));
            }
            if (style[j] instanceof BackgroundColorSpan) {
                int color = ((BackgroundColorSpan) style[j]).getBackgroundColor();
                out.append(String.format("<span style=\"background-color:#%06X;\">", 0xFFFFFF & color));
            }
        }
        withinStyle(out, text, i, next);
        for (int j = style.length - 1; j >= 0; j--) {
            if (style[j] instanceof BackgroundColorSpan) {
                out.append("</span>");
            }
            if (style[j] instanceof ForegroundColorSpan) {
                out.append("</span>");
            }
            if (style[j] instanceof RelativeSizeSpan) {
                out.append("</span>");
            }
            if (style[j] instanceof AbsoluteSizeSpan) {
                out.append("</span>");
            }
            if (style[j] instanceof URLSpan) {
                out.append("</a>");
            }
            if (style[j] instanceof StrikethroughSpan) {
                out.append("</span>");
            }
            if (style[j] instanceof UnderlineSpan) {
                out.append("</u>");
            }
            if (style[j] instanceof SubscriptSpan) {
                out.append("</sub>");
            }
            if (style[j] instanceof SuperscriptSpan) {
                out.append("</sup>");
            }
            if (style[j] instanceof TypefaceSpan) {
                String s = ((TypefaceSpan) style[j]).getFamily();
                if (s.equals("monospace")) {
                    out.append("</tt>");
                }
            }
            if (style[j] instanceof StyleSpan) {
                int s = ((StyleSpan) style[j]).getStyle();
                if ((s & Typeface.BOLD) != 0) {
                    out.append("</b>");
                }
                if ((s & Typeface.ITALIC) != 0) {
                    out.append("</i>");
                }
            }
        }
    }
}

Example 40 with CharacterStyle

use of android.text.style.CharacterStyle in project android_frameworks_base by ResurrectionRemix.

the class Clock method getSmallTime.

private final CharSequence getSmallTime() {
    Context context = getContext();
    boolean is24 = DateFormat.is24HourFormat(context, ActivityManager.getCurrentUser());
    LocaleData d = LocaleData.get(context.getResources().getConfiguration().locale);
    final char MAGIC1 = '';
    final char MAGIC2 = '';
    SimpleDateFormat sdf;
    String format = mShowSeconds ? is24 ? d.timeFormat_Hms : d.timeFormat_hms : is24 ? d.timeFormat_Hm : d.timeFormat_hm;
    if (!format.equals(mClockFormatString)) {
        mContentDescriptionFormat = new SimpleDateFormat(format);
        /*
             * Search for an unquoted "a" in the format string, so we can
             * add dummy characters around it to let us find it again after
             * formatting and change its size.
             */
        if (mAmPmStyle != AM_PM_STYLE_NORMAL) {
            int a = -1;
            boolean quoted = false;
            for (int i = 0; i < format.length(); i++) {
                char c = format.charAt(i);
                if (c == '\'') {
                    quoted = !quoted;
                }
                if (!quoted && c == 'a') {
                    a = i;
                    break;
                }
            }
            if (a >= 0) {
                // Move a back so any whitespace before AM/PM is also in the alternate size.
                final int b = a;
                while (a > 0 && Character.isWhitespace(format.charAt(a - 1))) {
                    a--;
                }
                format = format.substring(0, a) + MAGIC1 + format.substring(a, b) + "a" + MAGIC2 + format.substring(b + 1);
            }
        }
        mClockFormat = sdf = new SimpleDateFormat(format);
        mClockFormatString = format;
    } else {
        sdf = mClockFormat;
    }
    CharSequence dateString = null;
    String result = "";
    String timeResult = sdf.format(mCalendar.getTime());
    String dateResult = "";
    int clockDatePosition = Settings.System.getInt(getContext().getContentResolver(), Settings.System.STATUSBAR_CLOCK_DATE_POSITION, 0);
    if (mClockDateDisplay != CLOCK_DATE_DISPLAY_GONE) {
        Date now = new Date();
        String clockDateFormat = Settings.System.getString(getContext().getContentResolver(), Settings.System.STATUS_BAR_DATE_FORMAT);
        if (clockDateFormat == null || clockDateFormat.isEmpty()) {
            // Set dateString to short uppercase Weekday (Default for AOKP) if empty
            dateString = DateFormat.format("EEE", now);
        } else {
            dateString = DateFormat.format(clockDateFormat, now);
        }
        if (mClockDateStyle == CLOCK_DATE_STYLE_LOWERCASE) {
            // When Date style is small, convert date to lowercase
            dateResult = dateString.toString().toLowerCase();
        } else if (mClockDateStyle == CLOCK_DATE_STYLE_UPPERCASE) {
            dateResult = dateString.toString().toUpperCase();
        } else {
            dateResult = dateString.toString();
        }
        result = (clockDatePosition == STYLE_DATE_LEFT) ? dateResult + " " + timeResult : timeResult + " " + dateResult;
    } else {
        // No date, just show time
        result = timeResult;
    }
    SpannableStringBuilder formatted = new SpannableStringBuilder(result);
    if (mClockDateDisplay != CLOCK_DATE_DISPLAY_NORMAL) {
        if (dateString != null) {
            int dateStringLen = dateString.length();
            int timeStringOffset = (clockDatePosition == STYLE_DATE_RIGHT) ? timeResult.length() + 1 : 0;
            if (mClockDateDisplay == CLOCK_DATE_DISPLAY_GONE) {
                formatted.delete(0, dateStringLen);
            } else {
                if (mClockDateDisplay == CLOCK_DATE_DISPLAY_SMALL) {
                    CharacterStyle style = new RelativeSizeSpan(0.7f);
                    formatted.setSpan(style, timeStringOffset, timeStringOffset + dateStringLen, Spannable.SPAN_EXCLUSIVE_INCLUSIVE);
                }
            }
        }
    }
    if (mAmPmStyle != AM_PM_STYLE_NORMAL) {
        int magic1 = result.indexOf(MAGIC1);
        int magic2 = result.indexOf(MAGIC2);
        if (magic1 >= 0 && magic2 > magic1) {
            if (mAmPmStyle == AM_PM_STYLE_GONE) {
                formatted.delete(magic1, magic2 + 1);
            } else {
                if (mAmPmStyle == AM_PM_STYLE_SMALL) {
                    CharacterStyle style = new RelativeSizeSpan(0.7f);
                    formatted.setSpan(style, magic1, magic2, Spannable.SPAN_EXCLUSIVE_INCLUSIVE);
                }
                formatted.delete(magic2, magic2 + 1);
                formatted.delete(magic1, magic1 + 1);
            }
        }
    }
    return formatted;
}