org.chromium.chrome.browser.compositor.layouts.LayoutUpdateHost Java Examples

/**
 * @param context     The current Android's context.
 * @param updateHost  The {@link LayoutUpdateHost} view for this layout.
 * @param renderHost  The {@link LayoutRenderHost} view for this layout.
 * @param eventFilter The {@link EventFilter} that is needed for this view.
 */
public StackLayout(Context context, LayoutUpdateHost updateHost, LayoutRenderHost renderHost,
        EventFilter eventFilter) {
    super(context, updateHost, renderHost, eventFilter);

    final ViewConfiguration configuration = ViewConfiguration.get(context);
    mMinDirectionThreshold = configuration.getScaledTouchSlop();
    mMinShortPressThresholdSqr =
            configuration.getScaledPagingTouchSlop() * configuration.getScaledPagingTouchSlop();

    mMinMaxInnerMargin = (int) (MIN_INNER_MARGIN_PERCENT_DP + 0.5);
    mFlingSpeed = FLING_SPEED_DP;
    mStacks = new Stack[2];
    mStacks[0] = new Stack(context, this);
    mStacks[1] = new Stack(context, this);
    mStackRects = new RectF[2];
    mStackRects[0] = new RectF();
    mStackRects[1] = new RectF();

    mViewContainer = new FrameLayout(getContext());
    mSceneLayer = new TabListSceneLayer();
}
 

/**
 * @param context     The current Android's context.
 * @param updateHost  The {@link LayoutUpdateHost} view for this layout.
 * @param renderHost  The {@link LayoutRenderHost} view for this layout.
 * @param eventFilter The {@link EventFilter} that is needed for this view.
 */
public StackLayout(Context context, LayoutUpdateHost updateHost, LayoutRenderHost renderHost) {
    super(context, updateHost, renderHost);

    mGestureHandler = new StackLayoutGestureHandler();
    mGestureEventFilter = new GestureEventFilter(context, mGestureHandler);
    final ViewConfiguration configuration = ViewConfiguration.get(context);
    mMinDirectionThreshold = configuration.getScaledTouchSlop();
    mMinShortPressThresholdSqr =
            configuration.getScaledPagingTouchSlop() * configuration.getScaledPagingTouchSlop();

    mMinMaxInnerMargin = (int) (MIN_INNER_MARGIN_PERCENT_DP + 0.5);
    mFlingSpeed = FLING_SPEED_DP;
    mStacks = new Stack[2];
    mStacks[0] = new Stack(context, this);
    mStacks[1] = new Stack(context, this);
    mStackRects = new RectF[2];
    mStackRects[0] = new RectF();
    mStackRects[1] = new RectF();

    mViewContainer = new FrameLayout(getContext());
    mSceneLayer = new TabListSceneLayer();
}
 

/**
 * @param context     The current Android's context.
 * @param updateHost  The {@link LayoutUpdateHost} view for this layout.
 * @param renderHost  The {@link LayoutRenderHost} view for this layout.
 * @param eventFilter The {@link EventFilter} that is needed for this view.
 */
public StackLayout(Context context, LayoutUpdateHost updateHost, LayoutRenderHost renderHost,
        EventFilter eventFilter) {
    super(context, updateHost, renderHost, eventFilter);

    final ViewConfiguration configuration = ViewConfiguration.get(context);
    mMinDirectionThreshold = configuration.getScaledTouchSlop();
    mMinShortPressThresholdSqr =
            configuration.getScaledPagingTouchSlop() * configuration.getScaledPagingTouchSlop();

    mMinMaxInnerMargin = (int) (MIN_INNER_MARGIN_PERCENT_DP + 0.5);
    mFlingSpeed = FLING_SPEED_DP;
    mStacks = new Stack[2];
    mStacks[0] = new Stack(context, this);
    mStacks[1] = new Stack(context, this);
    mStackRects = new RectF[2];
    mStackRects[0] = new RectF();
    mStackRects[1] = new RectF();

    mViewContainer = new FrameLayout(getContext());
    mSceneLayer = new TabListSceneLayer();
}
 

/**
 * @param context The current Android {@link Context}.
 * @param updateHost The {@link LayoutUpdateHost} used to request updates in the Layout.
 * @param eventHost The {@link EventFilterHost} for propagating events.
 * @param panelManager The object managing the how different panels are shown.
 */
public ContextualSearchPanel(Context context, LayoutUpdateHost updateHost,
            EventFilterHost eventHost, OverlayPanelManager panelManager) {
    super(context, updateHost, eventHost, panelManager);
    mSceneLayer = createNewContextualSearchSceneLayer();
    mPanelMetrics = new ContextualSearchPanelMetrics();

    mBarShadowHeightPx = ApiCompatibilityUtils.getDrawable(mContext.getResources(),
            R.drawable.contextual_search_bar_shadow).getIntrinsicHeight();
    mEndButtonWidthDp = mPxToDp * (float) mContext.getResources().getDimensionPixelSize(
            R.dimen.contextual_search_end_button_width);
}
 

public OverviewListLayout(
        Context context, LayoutUpdateHost updateHost, LayoutRenderHost renderHost) {
    super(context, updateHost, renderHost);
    mBlackHoleEventFilter = new BlackHoleEventFilter(context);
    mDpToPx = context.getResources().getDisplayMetrics().density;
    mSceneLayer = new SceneLayer();
}
 

/**
 * @param context The current Android {@link Context}.
 * @param updateHost The {@link LayoutUpdateHost} used to request updates in the Layout.
 * @param eventHost The {@link EventFilterHost} used to propagate events.
 * @param panelManager The {@link OverlayPanelManager} responsible for showing panels.
 */
public OverlayPanel(
        Context context, LayoutUpdateHost updateHost, OverlayPanelManager panelManager) {
    super(context, updateHost);
    mContentFactory = this;

    mPanelManager = panelManager;
    mPanelManager.registerPanel(this);
    mEventFilter = new OverlayPanelEventFilter(mContext, this);
}
 

/**
 * @param context The current Android {@link Context}.
 * @param updateHost The {@link LayoutUpdateHost} used to request updates in the Layout.
 * @param panelManager The object managing the how different panels are shown.
 */
public ContextualSearchPanel(
        Context context, LayoutUpdateHost updateHost, OverlayPanelManager panelManager) {
    super(context, updateHost, panelManager);
    mSceneLayer = createNewContextualSearchSceneLayer();
    mPanelMetrics = new ContextualSearchPanelMetrics();

    mBarShadowHeightPx = ApiCompatibilityUtils.getDrawable(mContext.getResources(),
            R.drawable.contextual_search_bar_shadow).getIntrinsicHeight();
    mEndButtonWidthDp = mPxToDp * (float) mContext.getResources().getDimensionPixelSize(
            R.dimen.contextual_search_end_button_width);
}
 

/**
 * @param context The current Android {@link Context}.
 * @param updateHost The {@link LayoutUpdateHost} used to request updates in the Layout.
 * @param panelManager The {@link OverlayPanelManager} used to control panel show/hide.
 * @param contentViewDelegate Notifies the activity that a ContentViewCore has been created.
 */
public ReaderModePanel(Context context, LayoutUpdateHost updateHost,
        OverlayPanelManager panelManager, OverlayPanelContentViewDelegate contentViewDelegate) {
    super(context, updateHost, panelManager);
    mSceneLayer = createNewReaderModeSceneLayer();
    mContentViewDelegate = contentViewDelegate;
}
 

/**
 * Creates an instance of the {@link SimpleAnimationLayout}.
 * @param context     The current Android's context.
 * @param updateHost  The {@link LayoutUpdateHost} view for this layout.
 * @param renderHost  The {@link LayoutRenderHost} view for this layout.
 */
public SimpleAnimationLayout(
        Context context, LayoutUpdateHost updateHost, LayoutRenderHost renderHost) {
    super(context, updateHost, renderHost);
    mBlackHoleEventFilter = new BlackHoleEventFilter(context);
    mSceneLayer = new TabListSceneLayer();
}
 

/**
 * Creates an instance of the {@link StripLayoutHelperManager}.
 * @param context           The current Android {@link Context}.
 * @param updateHost        The parent {@link LayoutUpdateHost}.
 * @param renderHost        The {@link LayoutRenderHost}.
 */
public StripLayoutHelperManager(
        Context context, LayoutUpdateHost updateHost, LayoutRenderHost renderHost) {
    mUpdateHost = updateHost;
    mTabStripTreeProvider = new TabStripSceneLayer(context);
    mTabStripEventHandler = new TabStripEventHandler();
    mEventFilter =
            new AreaGestureEventFilter(context, mTabStripEventHandler, null, false, false);

    mNormalHelper = new StripLayoutHelper(context, updateHost, renderHost, false);
    mIncognitoHelper = new StripLayoutHelper(context, updateHost, renderHost, true);

    CompositorOnClickHandler selectorClickHandler = new CompositorOnClickHandler() {
        @Override
        public void onClick(long time) {
            handleModelSelectorButtonClick();
        }
    };
    mModelSelectorButton = new CompositorButton(context, MODEL_SELECTOR_BUTTON_WIDTH_DP,
            MODEL_SELECTOR_BUTTON_HEIGHT_DP, selectorClickHandler);
    mModelSelectorButton.setIncognito(false);
    mModelSelectorButton.setVisible(false);
    // Pressed resources are the same as the unpressed resources.
    mModelSelectorButton.setResources(R.drawable.btn_tabstrip_switch_normal,
            R.drawable.btn_tabstrip_switch_normal, R.drawable.btn_tabstrip_switch_incognito,
            R.drawable.btn_tabstrip_switch_incognito);
    mModelSelectorButton.setY(MODEL_SELECTOR_BUTTON_Y_OFFSET_DP);

    Resources res = context.getResources();
    mHeight = res.getDimension(R.dimen.tab_strip_height) / res.getDisplayMetrics().density;
    mModelSelectorButton.setAccessibilityDescription(
            res.getString(R.string.accessibility_tabstrip_btn_incognito_toggle_standard),
            res.getString(R.string.accessibility_tabstrip_btn_incognito_toggle_incognito));

    onContextChanged(context);
}
 

/**
 * @param context The current Android {@link Context}.
 * @param updateHost The {@link LayoutUpdateHost} used to request updates in the Layout.
 * @param eventHost The {@link EventFilterHost} used to propagate events.
 * @param panelManager The {@link OverlayPanelManager} responsible for showing panels.
 */
public OverlayPanel(Context context, LayoutUpdateHost updateHost, EventFilterHost eventHost,
            OverlayPanelManager panelManager) {
    super(context, updateHost);
    mContentFactory = this;

    mPanelManager = panelManager;
    mPanelManager.registerPanel(this);
    mEventFilter = new OverlayPanelEventFilter(mContext, eventHost, this);
}
 

/**
 * @param context The current Android {@link Context}.
 * @param updateHost The {@link LayoutUpdateHost} used to request updates in the Layout.
 * @param eventHost The {@link EventFilterHost} for propagating events.
 * @param panelManager The {@link OverlayPanelManager} used to control panel show/hide.
 * @param contentViewDelegate Notifies the activity that a ContentViewCore has been created.
 */
public ReaderModePanel(Context context, LayoutUpdateHost updateHost, EventFilterHost eventHost,
            OverlayPanelManager panelManager,
            OverlayPanelContentViewDelegate contentViewDelegate) {
    super(context, updateHost, eventHost, panelManager);
    mSceneLayer = createNewReaderModeSceneLayer();
    mContentViewDelegate = contentViewDelegate;
}
 

/**
 * Creates an instance of the {@link StripLayoutHelperManager}.
 * @param context           The current Android {@link Context}.
 * @param updateHost        The parent {@link LayoutUpdateHost}.
 * @param renderHost        The {@link LayoutRenderHost}.
 */
public StripLayoutHelperManager(Context context, LayoutUpdateHost updateHost,
        LayoutRenderHost renderHost, AreaGestureEventFilter eventFilter) {
    mUpdateHost = updateHost;
    mTabStripTreeProvider = new TabStripSceneLayer(context);

    mEventFilter = eventFilter;

    mNormalHelper = new StripLayoutHelper(context, updateHost, renderHost, false);
    mIncognitoHelper = new StripLayoutHelper(context, updateHost, renderHost, true);

    mModelSelectorButton = new CompositorButton(
            context, MODEL_SELECTOR_BUTTON_WIDTH_DP, MODEL_SELECTOR_BUTTON_HEIGHT_DP);
    mModelSelectorButton.setIncognito(false);
    mModelSelectorButton.setVisible(false);
    // Pressed resources are the same as the unpressed resources.
    mModelSelectorButton.setResources(R.drawable.btn_tabstrip_switch_normal,
            R.drawable.btn_tabstrip_switch_normal, R.drawable.btn_tabstrip_switch_incognito,
            R.drawable.btn_tabstrip_switch_incognito);
    mModelSelectorButton.setY(MODEL_SELECTOR_BUTTON_Y_OFFSET_DP);

    Resources res = context.getResources();
    mHeight = res.getDimension(R.dimen.tab_strip_height) / res.getDisplayMetrics().density;
    mModelSelectorButton.setAccessibilityDescription(
            res.getString(R.string.accessibility_tabstrip_btn_incognito_toggle_standard),
            res.getString(R.string.accessibility_tabstrip_btn_incognito_toggle_incognito));

    onContextChanged(context);
}
 

/**
 * Creates an instance of the {@link StripLayoutHelperManager}.
 * @param context           The current Android {@link Context}.
 * @param updateHost        The parent {@link LayoutUpdateHost}.
 * @param renderHost        The {@link LayoutRenderHost}.
 */
public StripLayoutHelperManager(Context context, LayoutUpdateHost updateHost,
        LayoutRenderHost renderHost, AreaGestureEventFilter eventFilter) {
    mUpdateHost = updateHost;
    mTabStripTreeProvider = new TabStripSceneLayer(context);

    mEventFilter = eventFilter;

    mNormalHelper = new StripLayoutHelper(context, updateHost, renderHost, false);
    mIncognitoHelper = new StripLayoutHelper(context, updateHost, renderHost, true);

    mModelSelectorButton = new CompositorButton(
            context, MODEL_SELECTOR_BUTTON_WIDTH_DP, MODEL_SELECTOR_BUTTON_HEIGHT_DP);
    mModelSelectorButton.setIncognito(false);
    mModelSelectorButton.setVisible(false);
    // Pressed resources are the same as the unpressed resources.
    mModelSelectorButton.setResources(R.drawable.btn_tabstrip_switch_normal,
            R.drawable.btn_tabstrip_switch_normal, R.drawable.btn_tabstrip_switch_incognito,
            R.drawable.btn_tabstrip_switch_incognito);
    mModelSelectorButton.setY(MODEL_SELECTOR_BUTTON_Y_OFFSET_DP);

    Resources res = context.getResources();
    mHeight = res.getDimension(R.dimen.tab_strip_height) / res.getDisplayMetrics().density;
    mModelSelectorButton.setAccessibilityDescription(
            res.getString(R.string.accessibility_tabstrip_btn_incognito_toggle_standard),
            res.getString(R.string.accessibility_tabstrip_btn_incognito_toggle_incognito));

    onContextChanged(context);
}
 

/**
 * @param context The current Android {@link Context}.
 * @param updateHost The {@link LayoutUpdateHost} used to request updates in the Layout.
 * @param eventHost The {@link EventFilterHost} for propagating events.
 * @param panelManager The {@link OverlayPanelManager} used to control panel show/hide.
 * @param contentViewDelegate Notifies the activity that a ContentViewCore has been created.
 */
public ReaderModePanel(Context context, LayoutUpdateHost updateHost, EventFilterHost eventHost,
            OverlayPanelManager panelManager,
            OverlayPanelContentViewDelegate contentViewDelegate) {
    super(context, updateHost, eventHost, panelManager);
    mSceneLayer = createNewReaderModeSceneLayer();
    mContentViewDelegate = contentViewDelegate;
}
 

/**
 * @param context The current Android {@link Context}.
 * @param updateHost The {@link LayoutUpdateHost} used to request updates in the Layout.
 * @param eventHost The {@link EventFilterHost} for propagating events.
 * @param panelManager The object managing the how different panels are shown.
 */
public ContextualSearchPanel(Context context, LayoutUpdateHost updateHost,
            EventFilterHost eventHost, OverlayPanelManager panelManager) {
    super(context, updateHost, eventHost, panelManager);
    mSceneLayer = createNewContextualSearchSceneLayer();
    mPanelMetrics = new ContextualSearchPanelMetrics();

    mBarShadowHeightPx = ApiCompatibilityUtils.getDrawable(mContext.getResources(),
            R.drawable.contextual_search_bar_shadow).getIntrinsicHeight();
}
 

/**
 * @param context The current Android {@link Context}.
 * @param updateHost The {@link LayoutUpdateHost} used to request updates in the Layout.
 * @param eventHost The {@link EventFilterHost} used to propagate events.
 * @param panelManager The {@link OverlayPanelManager} responsible for showing panels.
 */
public OverlayPanel(Context context, LayoutUpdateHost updateHost, EventFilterHost eventHost,
            OverlayPanelManager panelManager) {
    super(context, updateHost);
    mContentFactory = this;

    mPanelManager = panelManager;
    mPanelManager.registerPanel(this);
    mEventFilter = new OverlayPanelEventFilter(mContext, eventHost, this);
}
 

public OverviewListLayout(Context context, LayoutUpdateHost updateHost,
        LayoutRenderHost renderHost, EventFilter eventFilter) {
    super(context, updateHost, renderHost, eventFilter);
    mDpToPx = context.getResources().getDisplayMetrics().density;
    mSceneLayer = new SceneLayer();
}
 

/**
 * Creates an instance of the {@link StripLayoutHelper}.
 * @param context         The current Android {@link Context}.
 * @param updateHost      The parent {@link LayoutUpdateHost}.
 * @param renderHost      The {@link LayoutRenderHost}.
 * @param incognito       Whether or not this tab strip is incognito.
 */
public StripLayoutHelper(Context context, LayoutUpdateHost updateHost,
        LayoutRenderHost renderHost, boolean incognito) {
    mTabOverlapWidth = TAB_OVERLAP_WIDTH_DP;
    mNewTabButtonWidth = NEW_TAB_BUTTON_WIDTH_DP;

    mRightMargin = LocalizationUtils.isLayoutRtl() ? 0 : mNewTabButtonWidth;
    mLeftMargin = LocalizationUtils.isLayoutRtl() ? mNewTabButtonWidth : 0;
    mMinTabWidth = MIN_TAB_WIDTH_DP;
    mMaxTabWidth = MAX_TAB_WIDTH_DP;
    mReorderMoveStartThreshold = REORDER_MOVE_START_THRESHOLD_DP;
    mUpdateHost = updateHost;
    mRenderHost = renderHost;
    mNewTabButton =
            new CompositorButton(context, NEW_TAB_BUTTON_WIDTH_DP, NEW_TAB_BUTTON_HEIGHT_DP);
    mNewTabButton.setResources(R.drawable.btn_tabstrip_new_tab_normal,
            R.drawable.btn_tabstrip_new_tab_pressed,
            R.drawable.btn_tabstrip_new_incognito_tab_normal,
            R.drawable.btn_tabstrip_new_incognito_tab_pressed);
    mNewTabButton.setIncognito(incognito);
    mNewTabButton.setY(NEW_TAB_BUTTON_Y_OFFSET_DP);
    mNewTabButton.setClickSlop(NEW_TAB_BUTTON_CLICK_SLOP_DP);
    Resources res = context.getResources();
    mNewTabButton.setAccessibilityDescription(
            res.getString(R.string.accessibility_toolbar_btn_new_tab),
            res.getString(R.string.accessibility_toolbar_btn_new_incognito_tab));
    mContext = context;
    mIncognito = incognito;
    mBrightness = 1.f;

    // Create tab menu
    mTabMenu = new ListPopupWindow(mContext);
    mTabMenu.setAdapter(new ArrayAdapter<String>(mContext, R.layout.bookmark_popup_item,
            new String[] {
                    mContext.getString(!mIncognito ? R.string.menu_close_all_tabs
                                                   : R.string.menu_close_all_incognito_tabs)}));
    mTabMenu.setOnItemClickListener(new OnItemClickListener() {
        @Override
        public void onItemClick(AdapterView<?> parent, View view, int position, long id) {
            mTabMenu.dismiss();
            if (position == ID_CLOSE_ALL_TABS) {
                mModel.closeAllTabs(false, false);
            }
        }
    });

    int menuWidth = mContext.getResources().getDimensionPixelSize(R.dimen.menu_width);
    mTabMenu.setWidth(menuWidth);
    mTabMenu.setModal(true);

    int screenWidthDp = context.getResources().getConfiguration().screenWidthDp;
    mShouldCascadeTabs = screenWidthDp >= DeviceFormFactor.MINIMUM_TABLET_WIDTH_DP;
    mStripStacker = mShouldCascadeTabs ? mCascadingStripStacker : mScrollingStripStacker;
    mIsFirstLayoutPass = true;
}
 

@Override
public void setLayoutUpdateHost(LayoutUpdateHost layoutUpdateHost) { }
 

@Override
public void setLayoutUpdateHost(LayoutUpdateHost layoutUpdateHost) {
    mLayoutUpdateHost = layoutUpdateHost;
}
 

/**
 * @param context The current Android {@link Context}.
 * @param updateHost The {@link LayoutUpdateHost} used to request updates in the Layout.
 */
public OverlayPanelAnimation(Context context, LayoutUpdateHost updateHost) {
    super(context);
    mUpdateHost = updateHost;
}
 

/**
 * @param context The current Android {@link Context}.
 * @param updateHost The {@link LayoutUpdateHost} used to request updates in the Layout.
 */
public OverlayPanelAnimation(Context context, LayoutUpdateHost updateHost) {
    super(context);
    mUpdateHost = updateHost;
}
 

/**
 * Creates an instance of the {@link StripLayoutHelper}.
 * @param context         The current Android {@link Context}.
 * @param updateHost      The parent {@link LayoutUpdateHost}.
 * @param renderHost      The {@link LayoutRenderHost}.
 * @param incognito       Whether or not this tab strip is incognito.
 */
public StripLayoutHelper(Context context, LayoutUpdateHost updateHost,
        LayoutRenderHost renderHost, boolean incognito) {
    mTabOverlapWidth = TAB_OVERLAP_WIDTH_DP;
    mNewTabButtonWidth = NEW_TAB_BUTTON_WIDTH_DP;

    mRightMargin = LocalizationUtils.isLayoutRtl() ? 0 : mNewTabButtonWidth;
    mLeftMargin = LocalizationUtils.isLayoutRtl() ? mNewTabButtonWidth : 0;
    mMinTabWidth = MIN_TAB_WIDTH_DP;
    mMaxTabWidth = MAX_TAB_WIDTH_DP;
    mReorderMoveStartThreshold = REORDER_MOVE_START_THRESHOLD_DP;
    mUpdateHost = updateHost;
    mRenderHost = renderHost;
    CompositorOnClickHandler newTabClickHandler = new CompositorOnClickHandler() {
        @Override
        public void onClick(long time) {
            handleNewTabClick();
        }
    };
    mNewTabButton = new CompositorButton(
            context, NEW_TAB_BUTTON_WIDTH_DP, NEW_TAB_BUTTON_HEIGHT_DP, newTabClickHandler);
    mNewTabButton.setResources(R.drawable.btn_tabstrip_new_tab_normal,
            R.drawable.btn_tabstrip_new_tab_pressed,
            R.drawable.btn_tabstrip_new_incognito_tab_normal,
            R.drawable.btn_tabstrip_new_incognito_tab_pressed);
    mNewTabButton.setIncognito(incognito);
    mNewTabButton.setY(NEW_TAB_BUTTON_Y_OFFSET_DP);
    mNewTabButton.setClickSlop(NEW_TAB_BUTTON_CLICK_SLOP_DP);
    Resources res = context.getResources();
    mNewTabButton.setAccessibilityDescription(
            res.getString(R.string.accessibility_toolbar_btn_new_tab),
            res.getString(R.string.accessibility_toolbar_btn_new_incognito_tab));
    mContext = context;
    mIncognito = incognito;
    mBrightness = 1.f;

    // Create tab menu
    mTabMenu = new ListPopupWindow(mContext);
    mTabMenu.setAdapter(new ArrayAdapter<String>(mContext, R.layout.bookmark_popup_item,
            new String[] {
                    mContext.getString(!mIncognito ? R.string.menu_close_all_tabs
                                                   : R.string.menu_close_all_incognito_tabs)}));
    mTabMenu.setOnItemClickListener(new OnItemClickListener() {
        @Override
        public void onItemClick(AdapterView<?> parent, View view, int position, long id) {
            mTabMenu.dismiss();
            if (position == ID_CLOSE_ALL_TABS) {
                mModel.closeAllTabs(false, false);
            }
        }
    });

    int menuWidth = mContext.getResources().getDimensionPixelSize(R.dimen.menu_width);
    mTabMenu.setWidth(menuWidth);
    mTabMenu.setModal(true);

    int screenWidthDp = context.getResources().getConfiguration().screenWidthDp;
    mShouldCascadeTabs = screenWidthDp >= DeviceFormFactor.MINIMUM_TABLET_WIDTH_DP;
    mStripStacker = mShouldCascadeTabs ? mCascadingStripStacker : mScrollingStripStacker;
    mIsFirstLayoutPass = true;
}
 

@Override
public Layout createOverviewLayout(Context context, LayoutUpdateHost updateHost,
        LayoutRenderHost renderHost, EventFilter eventFilter) {
    return new StackLayout(context, updateHost, renderHost, eventFilter);
}
 

@Override
public void setLayoutUpdateHost(LayoutUpdateHost layoutUpdateHost) { }
 

@Override
public void setLayoutUpdateHost(LayoutUpdateHost layoutUpdateHost) {
    mLayoutUpdateHost = layoutUpdateHost;
}
 

/**
 * @param context The current Android {@link Context}.
 * @param updateHost The {@link LayoutUpdateHost} used to request updates in the Layout.
 */
public OverlayPanelAnimation(Context context, LayoutUpdateHost updateHost) {
    super(context);
    mUpdateHost = updateHost;
}
 

@Override
public void setLayoutUpdateHost(LayoutUpdateHost layoutUpdateHost) {
    mLayoutUpdateHost = layoutUpdateHost;
}
 

@Override
public Layout createOverviewLayout(Context context, LayoutUpdateHost updateHost,
        LayoutRenderHost renderHost, EventFilter eventFilter) {
    return new StackLayout(context, updateHost, renderHost, eventFilter);
}