org.chromium.chrome.browser.util.ViewUtils Java Examples

/**
 * @param e The dispatched motion event
 * @return Whether or not this motion event is in the top control container area and should be
 *         consumed.
 */
public boolean onInterceptMotionEvent(MotionEvent e) {
    int bottomPosition;
    int topPosition = 0;
    float offset;

    if (mIsBottomControls) {
        int[] position = new int[2];
        ViewUtils.getRelativeLayoutPosition(mControlContainer.getView().getRootView(),
                mControlContainer.getView(), position);

        topPosition = position[1];
        bottomPosition = topPosition + getBottomControlsHeight();
        offset = getBottomControlOffset();
    } else {
        bottomPosition = getTopControlsHeight();
        offset = getTopControlOffset();
    }

    return e.getY() < topPosition + offset && e.getY() > bottomPosition + offset
            && !mBrowserControlsAndroidViewHidden;
}
 

@Override
public void updateLayoutParams() {
    // Nothing to do for dismissed cards.
    if (getAdapterPosition() == RecyclerView.NO_POSITION) return;

    NewTabPageAdapter adapter = mRecyclerView.getNewTabPageAdapter();

    // Each card has the full elevation effect (the shadow) in the 9-patch. If the next item is
    // a card a negative bottom margin is set so the next card is overlaid slightly on top of
    // this one and hides the bottom shadow.
    int abovePosition = getAdapterPosition() - 1;
    boolean hasCardAbove = abovePosition >= 0 && isCard(adapter.getItemViewType(abovePosition));
    int belowPosition = getAdapterPosition() + 1;
    boolean hasCardBelow = belowPosition < adapter.getItemCount()
            && isCard(adapter.getItemViewType(belowPosition));

    getParams().bottomMargin = hasCardBelow ? -mCards9PatchAdjustment : 0;

    @DrawableRes
    int selectedBackground = selectBackground(hasCardAbove, hasCardBelow);
    if (mBackground != selectedBackground) {
        mBackground = selectedBackground;
        ViewUtils.setNinePatchBackgroundResource(itemView, selectedBackground);
    }
}
 

@Override
public void getLocationBarContentRect(Rect outRect) {
    View container = getLocationBar().getContainerView();
    outRect.set(container.getPaddingLeft(), container.getPaddingTop(),
            container.getWidth() - container.getPaddingRight(),
            container.getHeight() - container.getPaddingBottom());
    ViewUtils.getRelativeDrawPosition(
            this, getLocationBar().getContainerView(), mTempPosition);
    outRect.offset(mTempPosition[0], mTempPosition[1]);
}
 

@Override
public boolean gatherTransparentRegion(Region region) {
    // Reset the translation on the control container before attempting to compute the
    // transparent region.
    float translateY = getTranslationY();
    setTranslationY(0);

    ViewUtils.gatherTransparentRegionsForOpaqueView(this, region);

    setTranslationY(translateY);

    return true;
}
 

@Override
public void getLocationBarContentRect(Rect outRect) {
    View container = getLocationBar().getContainerView();
    outRect.set(container.getPaddingLeft(), container.getPaddingTop(),
            container.getWidth() - container.getPaddingRight(),
            container.getHeight() - container.getPaddingBottom());
    ViewUtils.getRelativeDrawPosition(
            this, getLocationBar().getContainerView(), mTempPosition);
    outRect.offset(mTempPosition[0], mTempPosition[1]);
}
 

/**
 * @see org.chromium.chrome.browser.compositor.layouts.content.
 *         InvalidationAwareThumbnailProvider#captureThumbnail(Canvas)
 */
void captureThumbnail(Canvas canvas) {
    ViewUtils.captureBitmap(this, canvas);
    mSnapshotWidth = getWidth();
    mSnapshotHeight = getHeight();
    mSnapshotScrollY = mScrollView.getScrollY();
}
 

/**
 * @see org.chromium.chrome.browser.compositor.layouts.content.
 *         InvalidationAwareThumbnailProvider#captureThumbnail(Canvas)
 */
void captureThumbnail(Canvas canvas) {
    mSearchProviderLogoView.endFadeAnimation();
    ViewUtils.captureBitmap(this, canvas);
    mSnapshotWidth = getWidth();
    mSnapshotHeight = getHeight();
    mSnapshotScrollY = mRecyclerView.computeVerticalScrollOffset();
    mSnapshotTileGridChanged = false;
    mNewTabPageRecyclerViewChanged = false;
}
 

/**
 * Updates the opacity of the search box when scrolling.
 *
 * @param alpha opacity (alpha) value to use.
 */
public void setSearchBoxAlpha(float alpha) {
    mSearchBoxView.setAlpha(alpha);

    // Disable the search box contents if it is the process of being animated away.
    ViewUtils.setEnabledRecursive(mSearchBoxView, mSearchBoxView.getAlpha() == 1.0f);
}
 

@Override
public void updateLayoutParams() {
    // Nothing to do for dismissed cards.
    if (getAdapterPosition() == RecyclerView.NO_POSITION) return;

    NewTabPageAdapter adapter = mRecyclerView.getNewTabPageAdapter();

    // Each card has the full elevation effect (the shadow) in the 9-patch. If the next item is
    // a card a negative bottom margin is set so the next card is overlaid slightly on top of
    // this one and hides the bottom shadow.
    int abovePosition = getAdapterPosition() - 1;
    boolean hasCardAbove = abovePosition >= 0 && isCard(adapter.getItemViewType(abovePosition));
    int belowPosition = getAdapterPosition() + 1;
    boolean hasCardBelow = false;
    if (belowPosition < adapter.getItemCount()) {
        // The PROMO card has an empty margin and will not be right against the preceding card,
        // so we don't consider it a card from the point of view of the preceding one.
        @ItemViewType int belowViewType = adapter.getItemViewType(belowPosition);
        hasCardBelow = isCard(belowViewType) && belowViewType != ItemViewType.PROMO;
    }

    @DrawableRes
    int selectedBackground = selectBackground(hasCardAbove, hasCardBelow);
    if (mBackground == selectedBackground) return;

    mBackground = selectedBackground;
    ViewUtils.setNinePatchBackgroundResource(itemView, selectedBackground);

    // By default the apparent distance between two cards is the sum of the bottom and top
    // height of their shadows. We want |mCardGap| instead, so we set the bottom margin to
    // the difference.
    // noinspection ResourceType
    getParams().bottomMargin =
            hasCardBelow ? (mCardGap - (mCardShadow.top + mCardShadow.bottom)) : 0;
}
 

@Override
public void captureThumbnail(Canvas canvas) {
    ViewUtils.captureBitmap(mView, canvas);
    mSnapshotContentChanged = false;
    mSnapshotListPosition = mListView.getFirstVisiblePosition();
    View topItem = mListView.getChildAt(0);
    mSnapshotListTop = topItem == null ? 0 : topItem.getTop();
    mSnapshotWidth = mView.getWidth();
    mSnapshotHeight = mView.getHeight();
}
 

/**
 * @return The right offset for the suggestion text.
 */
private int getSuggestionTextRightPosition() {
    if (mLocationBar == null) return 0;

    int leftOffset = getUrlBarLeftOffset();
    View contentView = getRootView().findViewById(android.R.id.content);
    ViewUtils.getRelativeLayoutPosition(contentView, this, mViewPositionHolder);
    return leftOffset + mUrlBar.getWidth() - mUrlBar.getPaddingRight()
            - mViewPositionHolder[0];
}
 

/**
 * @return The left offset for the suggestion text.
 */
private int getSuggestionTextLeftPosition() {
    if (mLocationBar == null) return 0;

    int leftOffset = getUrlBarLeftOffset();
    View contentView = getRootView().findViewById(android.R.id.content);
    ViewUtils.getRelativeLayoutPosition(contentView, this, mViewPositionHolder);
    return leftOffset + mUrlBar.getPaddingLeft() - mViewPositionHolder[0];
}
 

private int getUrlBarLeftOffset() {
    if (mLocationBar.mustQueryUrlBarLocationForSuggestions()) {
        View contentView = getRootView().findViewById(android.R.id.content);
        ViewUtils.getRelativeLayoutPosition(contentView, mUrlBar, mViewPositionHolder);
        return mViewPositionHolder[0];
    } else {
        return ApiCompatibilityUtils.isLayoutRtl(this) ? mPhoneUrlBarLeftOffsetRtlPx
                : mPhoneUrlBarLeftOffsetPx;
    }
}
 

@Override
public boolean gatherTransparentRegion(Region region) {
    // Reset the translation on the control container before attempting to compute the
    // transparent region.
    float translateY = getTranslationY();
    setTranslationY(0);

    ViewUtils.gatherTransparentRegionsForOpaqueView(this, region);

    setTranslationY(translateY);

    return true;
}
 

@Override
public void captureThumbnail(Canvas canvas) {
    ViewUtils.captureBitmap(mView, canvas);
    mSnapshotContentChanged = false;
    mSnapshotListPosition = mListView.getFirstVisiblePosition();
    View topItem = mListView.getChildAt(0);
    mSnapshotListTop = topItem == null ? 0 : topItem.getTop();
    mSnapshotWidth = mView.getWidth();
    mSnapshotHeight = mView.getHeight();
}
 

/**
 * @see org.chromium.chrome.browser.compositor.layouts.content.
 *         InvalidationAwareThumbnailProvider#captureThumbnail(Canvas)
 */
void captureThumbnail(Canvas canvas) {
    mSearchProviderLogoView.endFadeAnimation();
    ViewUtils.captureBitmap(this, canvas);
    mSnapshotWidth = getWidth();
    mSnapshotHeight = getHeight();
    mSnapshotScrollY = getVerticalScroll();
    mSnapshotMostVisitedChanged = false;
}
 

/**
 * @see org.chromium.chrome.browser.compositor.layouts.content.
 *         InvalidationAwareThumbnailProvider#captureThumbnail(Canvas)
 */
void captureThumbnail(Canvas canvas) {
    ViewUtils.captureBitmap(this, canvas);
    mSnapshotWidth = getWidth();
    mSnapshotHeight = getHeight();
    mSnapshotScrollY = mScrollView.getScrollY();
}
 

/**
 * @see org.chromium.chrome.browser.compositor.layouts.content.
 *         InvalidationAwareThumbnailProvider#captureThumbnail(Canvas)
 */
void captureThumbnail(Canvas canvas) {
    mSearchProviderLogoView.endFadeAnimation();
    ViewUtils.captureBitmap(this, canvas);
    mSnapshotWidth = getWidth();
    mSnapshotHeight = getHeight();
    mSnapshotScrollY = getVerticalScroll();
    mSnapshotMostVisitedChanged = false;
    mNewTabPageRecyclerViewChanged = false;
}
 

/**
 * Updates the opacity of the search box when scrolling.
 *
 * @param alpha opacity (alpha) value to use.
 */
public void setSearchBoxAlpha(float alpha) {
    mSearchBoxView.setAlpha(alpha);

    // Disable the search box contents if it is the process of being animated away.
    ViewUtils.setEnabledRecursive(mSearchBoxView, mSearchBoxView.getAlpha() == 1.0f);
}
 

@Override
public void captureThumbnail(Canvas canvas) {
    ViewUtils.captureBitmap(mView, canvas);
    mSnapshotContentChanged = false;
    mSnapshotListPosition = mListView.getFirstVisiblePosition();
    View topItem = mListView.getChildAt(0);
    mSnapshotListTop = topItem == null ? 0 : topItem.getTop();
    mSnapshotWidth = mView.getWidth();
    mSnapshotHeight = mView.getHeight();
}
 

/**
 * @see org.chromium.chrome.browser.compositor.layouts.content.
 *         InvalidationAwareThumbnailProvider#captureThumbnail(Canvas)
 */
void captureThumbnail(Canvas canvas) {
    ViewUtils.captureBitmap(this, canvas);
    mSnapshotWidth = getWidth();
    mSnapshotHeight = getHeight();
    mSnapshotScrollY = mScrollView.getScrollY();
}
 

@Override
public void getLocationBarContentRect(Rect outRect) {
    View container = getLocationBar().getContainerView();
    outRect.set(container.getPaddingLeft(), container.getPaddingTop(),
            container.getWidth() - container.getPaddingRight(),
            container.getHeight() - container.getPaddingBottom());
    ViewUtils.getRelativeDrawPosition(
            this, getLocationBar().getContainerView(), mTempPosition);
    outRect.offset(mTempPosition[0], mTempPosition[1]);
}
 

@Override
public boolean gatherTransparentRegion(Region region) {
    ViewUtils.gatherTransparentRegionsForOpaqueView(this, region);
    return true;
}
 

@Override
public void getPositionRelativeToContainer(View containerView, int[] position) {
    ViewUtils.getRelativeDrawPosition(containerView, this, position);
}
 

@Override
protected void onBindView(View view) {
    super.onBindView(view);
    ViewUtils.setEnabledRecursive(view, mViewEnabled);
}
 

@Override
public void getPositionRelativeToContainer(View containerView, int[] position) {
    ViewUtils.getRelativeDrawPosition(containerView, this, position);
}
 

private void updateLayoutParams() {
    boolean updateLayout = false;
    FrameLayout.LayoutParams layoutParams = (FrameLayout.LayoutParams) getLayoutParams();
    if (layoutParams == null) {
        layoutParams = new FrameLayout.LayoutParams(0, 0);
        setLayoutParams(layoutParams);
    }

    // Compare the relative positions of the anchor view to the list parent view to
    // determine the offset to apply to the suggestions list.  By using layout positioning,
    // this avoids issues where getLocationInWindow can be inaccurate on certain devices.
    View contentView =
            LocationBarLayout.this.getRootView().findViewById(android.R.id.content);
    ViewUtils.getRelativeLayoutPosition(contentView, mAnchorView, mTempPosition);
    int anchorX = mTempPosition[0];
    int anchorY = mTempPosition[1];

    ViewUtils.getRelativeLayoutPosition(contentView, (View) getParent(), mTempPosition);
    int parentY = mTempPosition[1];

    int anchorBottomRelativeToContent = anchorY + mAnchorView.getMeasuredHeight();
    int desiredTopMargin = anchorBottomRelativeToContent - parentY;
    if (layoutParams.topMargin != desiredTopMargin) {
        layoutParams.topMargin = desiredTopMargin;
        updateLayout = true;
    }

    int contentLeft = contentView.getLeft();
    int anchorLeftRelativeToContent = anchorX - contentLeft;
    if (layoutParams.leftMargin != anchorLeftRelativeToContent) {
        layoutParams.leftMargin = anchorLeftRelativeToContent;
        updateLayout = true;
    }

    getWindowDelegate().getWindowVisibleDisplayFrame(mTempRect);
    int decorHeight = getWindowDelegate().getDecorViewHeight();
    int availableViewportHeight = Math.min(mTempRect.height(), decorHeight);
    int availableListHeight = availableViewportHeight - anchorBottomRelativeToContent;
    int desiredHeight = Math.min(availableListHeight, getIdealHeight());
    if (layoutParams.height != desiredHeight) {
        layoutParams.height = desiredHeight;
        updateLayout = true;
    }

    int desiredWidth = getDesiredWidth();
    if (layoutParams.width != desiredWidth) {
        layoutParams.width = desiredWidth;
        updateLayout = true;
    }

    if (updateLayout) requestLayout();
}
 

private void updateLayoutParams() {
    boolean updateLayout = false;
    FrameLayout.LayoutParams layoutParams = (FrameLayout.LayoutParams) getLayoutParams();
    if (layoutParams == null) {
        layoutParams = new FrameLayout.LayoutParams(0, 0);
        setLayoutParams(layoutParams);
    }

    // Compare the relative positions of the anchor view to the list parent view to
    // determine the offset to apply to the suggestions list.  By using layout positioning,
    // this avoids issues where getLocationInWindow can be inaccurate on certain devices.
    View contentView =
            LocationBarLayout.this.getRootView().findViewById(android.R.id.content);
    ViewUtils.getRelativeLayoutPosition(contentView, mAnchorView, mTempPosition);
    int anchorX = mTempPosition[0];
    int anchorY = mTempPosition[1];

    ViewUtils.getRelativeLayoutPosition(contentView, (View) getParent(), mTempPosition);
    int parentY = mTempPosition[1];

    int anchorBottomRelativeToContent = anchorY + mAnchorView.getMeasuredHeight();
    int desiredTopMargin = anchorBottomRelativeToContent - parentY;
    if (layoutParams.topMargin != desiredTopMargin) {
        layoutParams.topMargin = desiredTopMargin;
        updateLayout = true;
    }

    int contentLeft = contentView.getLeft();
    int anchorLeftRelativeToContent = anchorX - contentLeft;
    if (layoutParams.leftMargin != anchorLeftRelativeToContent) {
        layoutParams.leftMargin = anchorLeftRelativeToContent;
        updateLayout = true;
    }

    getWindowDelegate().getWindowVisibleDisplayFrame(mTempRect);
    int decorHeight = getWindowDelegate().getDecorViewHeight();
    int availableViewportHeight = Math.min(mTempRect.height(), decorHeight);
    int availableListHeight = availableViewportHeight - anchorBottomRelativeToContent;
    // If the bottom sheet is used, the suggestions should consume all available space.
    int desiredHeight = mBottomSheet != null
            ? availableListHeight : Math.min(availableListHeight, getIdealHeight());
    if (layoutParams.height != desiredHeight) {
        layoutParams.height = desiredHeight;
        updateLayout = true;
    }

    int desiredWidth = getDesiredWidth();
    if (layoutParams.width != desiredWidth) {
        layoutParams.width = desiredWidth;
        updateLayout = true;
    }

    if (updateLayout) requestLayout();
}
 

@Override
public boolean gatherTransparentRegion(Region region) {
    ViewUtils.gatherTransparentRegionsForOpaqueView(this, region);
    return true;
}
 

private void updateLayoutParams() {
    boolean updateLayout = false;
    FrameLayout.LayoutParams layoutParams = (FrameLayout.LayoutParams) getLayoutParams();
    if (layoutParams == null) {
        layoutParams = new FrameLayout.LayoutParams(0, 0);
        setLayoutParams(layoutParams);
    }

    // Compare the relative positions of the anchor view to the list parent view to
    // determine the offset to apply to the suggestions list.  By using layout positioning,
    // this avoids issues where getLocationInWindow can be inaccurate on certain devices.
    View contentView =
            LocationBarLayout.this.getRootView().findViewById(android.R.id.content);
    ViewUtils.getRelativeLayoutPosition(contentView, mAnchorView, mTempPosition);
    int anchorX = mTempPosition[0];
    int anchorY = mTempPosition[1];

    ViewUtils.getRelativeLayoutPosition(contentView, (View) getParent(), mTempPosition);
    int parentY = mTempPosition[1];

    int anchorBottomRelativeToContent = anchorY + mAnchorView.getMeasuredHeight();
    int desiredTopMargin = anchorBottomRelativeToContent - parentY;
    if (layoutParams.topMargin != desiredTopMargin) {
        layoutParams.topMargin = desiredTopMargin;
        updateLayout = true;
    }

    int contentLeft = contentView.getLeft();
    int anchorLeftRelativeToContent = anchorX - contentLeft;
    if (layoutParams.leftMargin != anchorLeftRelativeToContent) {
        layoutParams.leftMargin = anchorLeftRelativeToContent;
        updateLayout = true;
    }

    getWindowDelegate().getWindowVisibleDisplayFrame(mTempRect);
    int decorHeight = getWindowDelegate().getDecorViewHeight();
    int availableViewportHeight = Math.min(mTempRect.height(), decorHeight);
    int availableListHeight = availableViewportHeight - anchorBottomRelativeToContent;
    int desiredHeight = Math.min(availableListHeight, getIdealHeight());
    if (layoutParams.height != desiredHeight) {
        layoutParams.height = desiredHeight;
        updateLayout = true;
    }

    int desiredWidth = getDesiredWidth();
    if (layoutParams.width != desiredWidth) {
        layoutParams.width = desiredWidth;
        updateLayout = true;
    }

    if (updateLayout) requestLayout();
}