Examples with NTPLayoutResult org.chromium.chrome.browser.ntp.NewTabPageUma.NTPLayoutResult used on opensource projects

Example 1 with NTPLayoutResult

use of org.chromium.chrome.browser.ntp.NewTabPageUma.NTPLayoutResult in project AndroidChromium by JackyAndroid.

the class NewTabPageLayout method measureWithCardsUiEnabled.

/**
 * Performs layout measurements for when the cards ui is enabled.
 */
private void measureWithCardsUiEnabled(int widthMeasureSpec, int heightMeasureSpec) {
    assert mCardsUiEnabled;
    mLogoSpacer.setVisibility(View.GONE);
    mSearchBoxSpacer.setVisibility(View.GONE);
    // Remove the extra spacing before measuring because it might not be needed anymore.
    mMostVisitedLayout.setExtraVerticalSpacing(0);
    super.onMeasure(widthMeasureSpec, heightMeasureSpec);
    boolean hasSpaceForPeekingCard = false;
    int spaceToFill = mParentViewportHeight - mPeekingCardHeight - mTabStripHeight;
    @NTPLayoutResult int layoutResult;
    // We need to make sure we have just enough space to show the peeking card.
    if (getMeasuredHeight() > spaceToFill) {
        layoutResult = NewTabPageUma.NTP_LAYOUT_DOES_NOT_FIT;
        // and let MostVisited get cut to make it clear that the page is scrollable.
        if (mMostVisitedLayout.getChildCount() > 0) {
            // Add some extra space if needed (the 'bleed' is the amount of the layout that
            // will be cut off by the bottom of the screen).
            int currentBleed = getMeasuredHeight() - mParentViewportHeight - mTabStripHeight;
            int minimumBleed = (int) (mMostVisitedLayout.getChildAt(0).getMeasuredHeight() * 0.44);
            if (currentBleed < minimumBleed) {
                int extraBleed = minimumBleed - currentBleed;
                mLogoSpacer.getLayoutParams().height = (int) (extraBleed * 0.25);
                mLogoSpacer.setVisibility(View.INVISIBLE);
                mSearchBoxSpacer.getLayoutParams().height = (int) (extraBleed * 0.25);
                mSearchBoxSpacer.setVisibility(View.INVISIBLE);
                mMostVisitedLayout.setExtraVerticalSpacing((int) (extraBleed * 0.5));
                super.onMeasure(widthMeasureSpec, heightMeasureSpec);
                layoutResult = NewTabPageUma.NTP_LAYOUT_DOES_NOT_FIT_PUSH_MOST_LIKELY;
            }
        }
    } else {
        hasSpaceForPeekingCard = true;
        // If there is enough space, reduce the space we are going to fill.
        if (mFieldTrialLayoutAdjustment != 0f) {
            if (getMeasuredHeight() < spaceToFill - mFieldTrialLayoutAdjustment) {
                spaceToFill -= mFieldTrialLayoutAdjustment;
                layoutResult = NewTabPageUma.NTP_LAYOUT_FITS_WITH_FIELD_TRIAL;
            } else {
                layoutResult = NewTabPageUma.NTP_LAYOUT_FITS_WITHOUT_FIELD_TRIAL;
            }
        } else {
            layoutResult = NewTabPageUma.NTP_LAYOUT_FITS_NO_FIELD_TRIAL;
        }
        // Call super.onMeasure with mode EXACTLY and the target height to allow the top
        // spacer (which has a weight of 1) to grow and take up the remaining space.
        heightMeasureSpec = MeasureSpec.makeMeasureSpec(spaceToFill, MeasureSpec.EXACTLY);
        super.onMeasure(widthMeasureSpec, heightMeasureSpec);
        distributeExtraSpace(mTopSpacer.getMeasuredHeight());
    }
    assert getParent() instanceof NewTabPageRecyclerView;
    NewTabPageRecyclerView recyclerView = (NewTabPageRecyclerView) getParent();
    recyclerView.setHasSpaceForPeekingCard(hasSpaceForPeekingCard);
    // contents. We want to record what the user sees when the layout has stabilized.
    if (mMostVisitedLayout.getChildCount() > 0 && !mLayoutResultRecorded) {
        mLayoutResultRecorded = true;
        NewTabPageUma.recordNTPLayoutResult(layoutResult);
    }
}