Examples with BoringLayout android.text.BoringLayout used on opensource projects

Example 6 with BoringLayout

use of android.text.BoringLayout in project android_frameworks_base by crdroidandroid.

the class TextView method makeSingleLayout.

/**
     * @hide
     */
protected Layout makeSingleLayout(int wantWidth, BoringLayout.Metrics boring, int ellipsisWidth, Layout.Alignment alignment, boolean shouldEllipsize, TruncateAt effectiveEllipsize, boolean useSaved) {
    Layout result = null;
    if (mText instanceof Spannable) {
        result = new DynamicLayout(mText, mTransformed, mTextPaint, wantWidth, alignment, mTextDir, mSpacingMult, mSpacingAdd, mIncludePad, mBreakStrategy, mHyphenationFrequency, getKeyListener() == null ? effectiveEllipsize : null, ellipsisWidth);
    } else {
        if (boring == UNKNOWN_BORING) {
            boring = BoringLayout.isBoring(mTransformed, mTextPaint, mTextDir, mBoring);
            if (boring != null) {
                mBoring = boring;
            }
        }
        if (boring != null) {
            if (boring.width <= wantWidth && (effectiveEllipsize == null || boring.width <= ellipsisWidth)) {
                if (useSaved && mSavedLayout != null) {
                    result = mSavedLayout.replaceOrMake(mTransformed, mTextPaint, wantWidth, alignment, mSpacingMult, mSpacingAdd, boring, mIncludePad);
                } else {
                    result = BoringLayout.make(mTransformed, mTextPaint, wantWidth, alignment, mSpacingMult, mSpacingAdd, boring, mIncludePad);
                }
                if (useSaved) {
                    mSavedLayout = (BoringLayout) result;
                }
            } else if (shouldEllipsize && boring.width <= wantWidth) {
                if (useSaved && mSavedLayout != null) {
                    result = mSavedLayout.replaceOrMake(mTransformed, mTextPaint, wantWidth, alignment, mSpacingMult, mSpacingAdd, boring, mIncludePad, effectiveEllipsize, ellipsisWidth);
                } else {
                    result = BoringLayout.make(mTransformed, mTextPaint, wantWidth, alignment, mSpacingMult, mSpacingAdd, boring, mIncludePad, effectiveEllipsize, ellipsisWidth);
                }
            }
        }
    }
    if (result == null) {
        StaticLayout.Builder builder = StaticLayout.Builder.obtain(mTransformed, 0, mTransformed.length(), mTextPaint, wantWidth).setAlignment(alignment).setTextDirection(mTextDir).setLineSpacing(mSpacingAdd, mSpacingMult).setIncludePad(mIncludePad).setBreakStrategy(mBreakStrategy).setHyphenationFrequency(mHyphenationFrequency);
        if (shouldEllipsize) {
            builder.setEllipsize(effectiveEllipsize).setEllipsizedWidth(ellipsisWidth).setMaxLines(mMaxMode == LINES ? mMaximum : Integer.MAX_VALUE);
        }
        // TODO: explore always setting maxLines
        result = builder.build();
    }
    return result;
}

Example 7 with BoringLayout

use of android.text.BoringLayout in project platform_frameworks_base by android.

the class TextView method makeNewLayout.

/**
     * The width passed in is now the desired layout width,
     * not the full view width with padding.
     * {@hide}
     */
protected void makeNewLayout(int wantWidth, int hintWidth, BoringLayout.Metrics boring, BoringLayout.Metrics hintBoring, int ellipsisWidth, boolean bringIntoView) {
    stopMarquee();
    // Update "old" cached values
    mOldMaximum = mMaximum;
    mOldMaxMode = mMaxMode;
    mHighlightPathBogus = true;
    if (wantWidth < 0) {
        wantWidth = 0;
    }
    if (hintWidth < 0) {
        hintWidth = 0;
    }
    Layout.Alignment alignment = getLayoutAlignment();
    final boolean testDirChange = mSingleLine && mLayout != null && (alignment == Layout.Alignment.ALIGN_NORMAL || alignment == Layout.Alignment.ALIGN_OPPOSITE);
    int oldDir = 0;
    if (testDirChange)
        oldDir = mLayout.getParagraphDirection(0);
    boolean shouldEllipsize = mEllipsize != null && getKeyListener() == null;
    final boolean switchEllipsize = mEllipsize == TruncateAt.MARQUEE && mMarqueeFadeMode != MARQUEE_FADE_NORMAL;
    TruncateAt effectiveEllipsize = mEllipsize;
    if (mEllipsize == TruncateAt.MARQUEE && mMarqueeFadeMode == MARQUEE_FADE_SWITCH_SHOW_ELLIPSIS) {
        effectiveEllipsize = TruncateAt.END_SMALL;
    }
    if (mTextDir == null) {
        mTextDir = getTextDirectionHeuristic();
    }
    mLayout = makeSingleLayout(wantWidth, boring, ellipsisWidth, alignment, shouldEllipsize, effectiveEllipsize, effectiveEllipsize == mEllipsize);
    if (switchEllipsize) {
        TruncateAt oppositeEllipsize = effectiveEllipsize == TruncateAt.MARQUEE ? TruncateAt.END : TruncateAt.MARQUEE;
        mSavedMarqueeModeLayout = makeSingleLayout(wantWidth, boring, ellipsisWidth, alignment, shouldEllipsize, oppositeEllipsize, effectiveEllipsize != mEllipsize);
    }
    shouldEllipsize = mEllipsize != null;
    mHintLayout = null;
    if (mHint != null) {
        if (shouldEllipsize)
            hintWidth = wantWidth;
        if (hintBoring == UNKNOWN_BORING) {
            hintBoring = BoringLayout.isBoring(mHint, mTextPaint, mTextDir, mHintBoring);
            if (hintBoring != null) {
                mHintBoring = hintBoring;
            }
        }
        if (hintBoring != null) {
            if (hintBoring.width <= hintWidth && (!shouldEllipsize || hintBoring.width <= ellipsisWidth)) {
                if (mSavedHintLayout != null) {
                    mHintLayout = mSavedHintLayout.replaceOrMake(mHint, mTextPaint, hintWidth, alignment, mSpacingMult, mSpacingAdd, hintBoring, mIncludePad);
                } else {
                    mHintLayout = BoringLayout.make(mHint, mTextPaint, hintWidth, alignment, mSpacingMult, mSpacingAdd, hintBoring, mIncludePad);
                }
                mSavedHintLayout = (BoringLayout) mHintLayout;
            } else if (shouldEllipsize && hintBoring.width <= hintWidth) {
                if (mSavedHintLayout != null) {
                    mHintLayout = mSavedHintLayout.replaceOrMake(mHint, mTextPaint, hintWidth, alignment, mSpacingMult, mSpacingAdd, hintBoring, mIncludePad, mEllipsize, ellipsisWidth);
                } else {
                    mHintLayout = BoringLayout.make(mHint, mTextPaint, hintWidth, alignment, mSpacingMult, mSpacingAdd, hintBoring, mIncludePad, mEllipsize, ellipsisWidth);
                }
            }
        }
        // TODO: code duplication with makeSingleLayout()
        if (mHintLayout == null) {
            StaticLayout.Builder builder = StaticLayout.Builder.obtain(mHint, 0, mHint.length(), mTextPaint, hintWidth).setAlignment(alignment).setTextDirection(mTextDir).setLineSpacing(mSpacingAdd, mSpacingMult).setIncludePad(mIncludePad).setBreakStrategy(mBreakStrategy).setHyphenationFrequency(mHyphenationFrequency);
            if (shouldEllipsize) {
                builder.setEllipsize(mEllipsize).setEllipsizedWidth(ellipsisWidth).setMaxLines(mMaxMode == LINES ? mMaximum : Integer.MAX_VALUE);
            }
            mHintLayout = builder.build();
        }
    }
    if (bringIntoView || (testDirChange && oldDir != mLayout.getParagraphDirection(0))) {
        registerForPreDraw();
    }
    if (mEllipsize == TextUtils.TruncateAt.MARQUEE) {
        if (!compressText(ellipsisWidth)) {
            final int height = mLayoutParams.height;
            // start the marquee immediately
            if (height != LayoutParams.WRAP_CONTENT && height != LayoutParams.MATCH_PARENT) {
                startMarquee();
            } else {
                // Defer the start of the marquee until we know our width (see setFrame())
                mRestartMarquee = true;
            }
        }
    }
    // CursorControllers need a non-null mLayout
    if (mEditor != null)
        mEditor.prepareCursorControllers();
}

Example 8 with BoringLayout

use of android.text.BoringLayout in project platform_frameworks_base by android.

the class TextView method makeSingleLayout.

/**
     * @hide
     */
protected Layout makeSingleLayout(int wantWidth, BoringLayout.Metrics boring, int ellipsisWidth, Layout.Alignment alignment, boolean shouldEllipsize, TruncateAt effectiveEllipsize, boolean useSaved) {
    Layout result = null;
    if (mText instanceof Spannable) {
        result = new DynamicLayout(mText, mTransformed, mTextPaint, wantWidth, alignment, mTextDir, mSpacingMult, mSpacingAdd, mIncludePad, mBreakStrategy, mHyphenationFrequency, getKeyListener() == null ? effectiveEllipsize : null, ellipsisWidth);
    } else {
        if (boring == UNKNOWN_BORING) {
            boring = BoringLayout.isBoring(mTransformed, mTextPaint, mTextDir, mBoring);
            if (boring != null) {
                mBoring = boring;
            }
        }
        if (boring != null) {
            if (boring.width <= wantWidth && (effectiveEllipsize == null || boring.width <= ellipsisWidth)) {
                if (useSaved && mSavedLayout != null) {
                    result = mSavedLayout.replaceOrMake(mTransformed, mTextPaint, wantWidth, alignment, mSpacingMult, mSpacingAdd, boring, mIncludePad);
                } else {
                    result = BoringLayout.make(mTransformed, mTextPaint, wantWidth, alignment, mSpacingMult, mSpacingAdd, boring, mIncludePad);
                }
                if (useSaved) {
                    mSavedLayout = (BoringLayout) result;
                }
            } else if (shouldEllipsize && boring.width <= wantWidth) {
                if (useSaved && mSavedLayout != null) {
                    result = mSavedLayout.replaceOrMake(mTransformed, mTextPaint, wantWidth, alignment, mSpacingMult, mSpacingAdd, boring, mIncludePad, effectiveEllipsize, ellipsisWidth);
                } else {
                    result = BoringLayout.make(mTransformed, mTextPaint, wantWidth, alignment, mSpacingMult, mSpacingAdd, boring, mIncludePad, effectiveEllipsize, ellipsisWidth);
                }
            }
        }
    }
    if (result == null) {
        StaticLayout.Builder builder = StaticLayout.Builder.obtain(mTransformed, 0, mTransformed.length(), mTextPaint, wantWidth).setAlignment(alignment).setTextDirection(mTextDir).setLineSpacing(mSpacingAdd, mSpacingMult).setIncludePad(mIncludePad).setBreakStrategy(mBreakStrategy).setHyphenationFrequency(mHyphenationFrequency);
        if (shouldEllipsize) {
            builder.setEllipsize(effectiveEllipsize).setEllipsizedWidth(ellipsisWidth).setMaxLines(mMaxMode == LINES ? mMaximum : Integer.MAX_VALUE);
        }
        // TODO: explore always setting maxLines
        result = builder.build();
    }
    return result;
}

Example 9 with BoringLayout

use of android.text.BoringLayout in project android_frameworks_base by ParanoidAndroid.

the class TextView method makeNewLayout.

/**
     * The width passed in is now the desired layout width,
     * not the full view width with padding.
     * {@hide}
     */
protected void makeNewLayout(int wantWidth, int hintWidth, BoringLayout.Metrics boring, BoringLayout.Metrics hintBoring, int ellipsisWidth, boolean bringIntoView) {
    stopMarquee();
    // Update "old" cached values
    mOldMaximum = mMaximum;
    mOldMaxMode = mMaxMode;
    mHighlightPathBogus = true;
    if (wantWidth < 0) {
        wantWidth = 0;
    }
    if (hintWidth < 0) {
        hintWidth = 0;
    }
    Layout.Alignment alignment = getLayoutAlignment();
    final boolean testDirChange = mSingleLine && mLayout != null && (alignment == Layout.Alignment.ALIGN_NORMAL || alignment == Layout.Alignment.ALIGN_OPPOSITE);
    int oldDir = 0;
    if (testDirChange)
        oldDir = mLayout.getParagraphDirection(0);
    boolean shouldEllipsize = mEllipsize != null && getKeyListener() == null;
    final boolean switchEllipsize = mEllipsize == TruncateAt.MARQUEE && mMarqueeFadeMode != MARQUEE_FADE_NORMAL;
    TruncateAt effectiveEllipsize = mEllipsize;
    if (mEllipsize == TruncateAt.MARQUEE && mMarqueeFadeMode == MARQUEE_FADE_SWITCH_SHOW_ELLIPSIS) {
        effectiveEllipsize = TruncateAt.END_SMALL;
    }
    if (mTextDir == null) {
        mTextDir = getTextDirectionHeuristic();
    }
    mLayout = makeSingleLayout(wantWidth, boring, ellipsisWidth, alignment, shouldEllipsize, effectiveEllipsize, effectiveEllipsize == mEllipsize);
    if (switchEllipsize) {
        TruncateAt oppositeEllipsize = effectiveEllipsize == TruncateAt.MARQUEE ? TruncateAt.END : TruncateAt.MARQUEE;
        mSavedMarqueeModeLayout = makeSingleLayout(wantWidth, boring, ellipsisWidth, alignment, shouldEllipsize, oppositeEllipsize, effectiveEllipsize != mEllipsize);
    }
    shouldEllipsize = mEllipsize != null;
    mHintLayout = null;
    if (mHint != null) {
        if (shouldEllipsize)
            hintWidth = wantWidth;
        if (hintBoring == UNKNOWN_BORING) {
            hintBoring = BoringLayout.isBoring(mHint, mTextPaint, mTextDir, mHintBoring);
            if (hintBoring != null) {
                mHintBoring = hintBoring;
            }
        }
        if (hintBoring != null) {
            if (hintBoring.width <= hintWidth && (!shouldEllipsize || hintBoring.width <= ellipsisWidth)) {
                if (mSavedHintLayout != null) {
                    mHintLayout = mSavedHintLayout.replaceOrMake(mHint, mTextPaint, hintWidth, alignment, mSpacingMult, mSpacingAdd, hintBoring, mIncludePad);
                } else {
                    mHintLayout = BoringLayout.make(mHint, mTextPaint, hintWidth, alignment, mSpacingMult, mSpacingAdd, hintBoring, mIncludePad);
                }
                mSavedHintLayout = (BoringLayout) mHintLayout;
            } else if (shouldEllipsize && hintBoring.width <= hintWidth) {
                if (mSavedHintLayout != null) {
                    mHintLayout = mSavedHintLayout.replaceOrMake(mHint, mTextPaint, hintWidth, alignment, mSpacingMult, mSpacingAdd, hintBoring, mIncludePad, mEllipsize, ellipsisWidth);
                } else {
                    mHintLayout = BoringLayout.make(mHint, mTextPaint, hintWidth, alignment, mSpacingMult, mSpacingAdd, hintBoring, mIncludePad, mEllipsize, ellipsisWidth);
                }
            } else if (shouldEllipsize) {
                mHintLayout = new StaticLayout(mHint, 0, mHint.length(), mTextPaint, hintWidth, alignment, mTextDir, mSpacingMult, mSpacingAdd, mIncludePad, mEllipsize, ellipsisWidth, mMaxMode == LINES ? mMaximum : Integer.MAX_VALUE);
            } else {
                mHintLayout = new StaticLayout(mHint, mTextPaint, hintWidth, alignment, mTextDir, mSpacingMult, mSpacingAdd, mIncludePad);
            }
        } else if (shouldEllipsize) {
            mHintLayout = new StaticLayout(mHint, 0, mHint.length(), mTextPaint, hintWidth, alignment, mTextDir, mSpacingMult, mSpacingAdd, mIncludePad, mEllipsize, ellipsisWidth, mMaxMode == LINES ? mMaximum : Integer.MAX_VALUE);
        } else {
            mHintLayout = new StaticLayout(mHint, mTextPaint, hintWidth, alignment, mTextDir, mSpacingMult, mSpacingAdd, mIncludePad);
        }
    }
    if (bringIntoView || (testDirChange && oldDir != mLayout.getParagraphDirection(0))) {
        registerForPreDraw();
    }
    if (mEllipsize == TextUtils.TruncateAt.MARQUEE) {
        if (!compressText(ellipsisWidth)) {
            final int height = mLayoutParams.height;
            // start the marquee immediately
            if (height != LayoutParams.WRAP_CONTENT && height != LayoutParams.MATCH_PARENT) {
                startMarquee();
            } else {
                // Defer the start of the marquee until we know our width (see setFrame())
                mRestartMarquee = true;
            }
        }
    }
    // CursorControllers need a non-null mLayout
    if (mEditor != null)
        mEditor.prepareCursorControllers();
}

Example 10 with BoringLayout

use of android.text.BoringLayout in project android_frameworks_base by ParanoidAndroid.

the class TextView method onMeasure.

@Override
protected void onMeasure(int widthMeasureSpec, int heightMeasureSpec) {
    int widthMode = MeasureSpec.getMode(widthMeasureSpec);
    int heightMode = MeasureSpec.getMode(heightMeasureSpec);
    int widthSize = MeasureSpec.getSize(widthMeasureSpec);
    int heightSize = MeasureSpec.getSize(heightMeasureSpec);
    int width;
    int height;
    BoringLayout.Metrics boring = UNKNOWN_BORING;
    BoringLayout.Metrics hintBoring = UNKNOWN_BORING;
    if (mTextDir == null) {
        mTextDir = getTextDirectionHeuristic();
    }
    int des = -1;
    boolean fromexisting = false;
    if (widthMode == MeasureSpec.EXACTLY) {
        // Parent has told us how big to be. So be it.
        width = widthSize;
    } else {
        if (mLayout != null && mEllipsize == null) {
            des = desired(mLayout);
        }
        if (des < 0) {
            boring = BoringLayout.isBoring(mTransformed, mTextPaint, mTextDir, mBoring);
            if (boring != null) {
                mBoring = boring;
            }
        } else {
            fromexisting = true;
        }
        if (boring == null || boring == UNKNOWN_BORING) {
            if (des < 0) {
                des = (int) FloatMath.ceil(Layout.getDesiredWidth(mTransformed, mTextPaint));
            }
            width = des;
        } else {
            width = boring.width;
        }
        final Drawables dr = mDrawables;
        if (dr != null) {
            width = Math.max(width, dr.mDrawableWidthTop);
            width = Math.max(width, dr.mDrawableWidthBottom);
        }
        if (mHint != null) {
            int hintDes = -1;
            int hintWidth;
            if (mHintLayout != null && mEllipsize == null) {
                hintDes = desired(mHintLayout);
            }
            if (hintDes < 0) {
                hintBoring = BoringLayout.isBoring(mHint, mTextPaint, mTextDir, mHintBoring);
                if (hintBoring != null) {
                    mHintBoring = hintBoring;
                }
            }
            if (hintBoring == null || hintBoring == UNKNOWN_BORING) {
                if (hintDes < 0) {
                    hintDes = (int) FloatMath.ceil(Layout.getDesiredWidth(mHint, mTextPaint));
                }
                hintWidth = hintDes;
            } else {
                hintWidth = hintBoring.width;
            }
            if (hintWidth > width) {
                width = hintWidth;
            }
        }
        width += getCompoundPaddingLeft() + getCompoundPaddingRight();
        if (mMaxWidthMode == EMS) {
            width = Math.min(width, mMaxWidth * getLineHeight());
        } else {
            width = Math.min(width, mMaxWidth);
        }
        if (mMinWidthMode == EMS) {
            width = Math.max(width, mMinWidth * getLineHeight());
        } else {
            width = Math.max(width, mMinWidth);
        }
        // Check against our minimum width
        width = Math.max(width, getSuggestedMinimumWidth());
        if (widthMode == MeasureSpec.AT_MOST) {
            width = Math.min(widthSize, width);
        }
    }
    int want = width - getCompoundPaddingLeft() - getCompoundPaddingRight();
    int unpaddedWidth = want;
    if (mHorizontallyScrolling)
        want = VERY_WIDE;
    int hintWant = want;
    int hintWidth = (mHintLayout == null) ? hintWant : mHintLayout.getWidth();
    if (mLayout == null) {
        makeNewLayout(want, hintWant, boring, hintBoring, width - getCompoundPaddingLeft() - getCompoundPaddingRight(), false);
    } else {
        final boolean layoutChanged = (mLayout.getWidth() != want) || (hintWidth != hintWant) || (mLayout.getEllipsizedWidth() != width - getCompoundPaddingLeft() - getCompoundPaddingRight());
        final boolean widthChanged = (mHint == null) && (mEllipsize == null) && (want > mLayout.getWidth()) && (mLayout instanceof BoringLayout || (fromexisting && des >= 0 && des <= want));
        final boolean maximumChanged = (mMaxMode != mOldMaxMode) || (mMaximum != mOldMaximum);
        if (layoutChanged || maximumChanged) {
            if (!maximumChanged && widthChanged) {
                mLayout.increaseWidthTo(want);
            } else {
                makeNewLayout(want, hintWant, boring, hintBoring, width - getCompoundPaddingLeft() - getCompoundPaddingRight(), false);
            }
        } else {
        // Nothing has changed
        }
    }
    if (heightMode == MeasureSpec.EXACTLY) {
        // Parent has told us how big to be. So be it.
        height = heightSize;
        mDesiredHeightAtMeasure = -1;
    } else {
        int desired = getDesiredHeight();
        height = desired;
        mDesiredHeightAtMeasure = desired;
        if (heightMode == MeasureSpec.AT_MOST) {
            height = Math.min(desired, heightSize);
        }
    }
    int unpaddedHeight = height - getCompoundPaddingTop() - getCompoundPaddingBottom();
    if (mMaxMode == LINES && mLayout.getLineCount() > mMaximum) {
        unpaddedHeight = Math.min(unpaddedHeight, mLayout.getLineTop(mMaximum));
    }
    /*
         * We didn't let makeNewLayout() register to bring the cursor into view,
         * so do it here if there is any possibility that it is needed.
         */
    if (mMovement != null || mLayout.getWidth() > unpaddedWidth || mLayout.getHeight() > unpaddedHeight) {
        registerForPreDraw();
    } else {
        scrollTo(0, 0);
    }
    setMeasuredDimension(width, height);
}