Java Code Examples for org.chromium.chrome.browser.tab.Tab#getView()

private void setTab(Tab tab) {
    if (tab != null) tab.loadIfNeeded();

    View newView = tab != null ? tab.getView() : null;
    if (mView == newView) return;

    // TODO(dtrainor): Look into changing this only if the views differ, but still parse the
    // ContentViewCore list even if they're the same.
    updateContentOverlayVisibility(false);

    if (mTabVisible != tab) {
        if (mTabVisible != null) mTabVisible.removeObserver(mTabObserver);
        if (tab != null) tab.addObserver(mTabObserver);
    }

    mTabVisible = tab;
    mView = newView;

    updateContentOverlayVisibility(mContentOverlayVisiblity);

    if (mTabVisible != null) initializeTab(mTabVisible);
}
 

/**
 * Sets the correct size for all {@link View}s on {@code tab} and sets the correct rendering
 * parameters on all {@link ContentViewCore}s on {@code tab}.
 * @param tab The {@link Tab} to initialize.
 */
private void initializeTab(Tab tab) {
    sCachedCVCList.clear();
    if (mLayoutManager != null) {
        mLayoutManager.getActiveLayout().getAllContentViewCores(sCachedCVCList);
    }

    for (int i = 0; i < sCachedCVCList.size(); i++) {
        initializeContentViewCore(sCachedCVCList.get(i));
    }
    sCachedCVCList.clear();

    sCachedViewList.clear();
    tab.getAllContentViews(sCachedViewList);

    for (int i = 0; i < sCachedViewList.size(); i++) {
        View view = sCachedViewList.get(i);
        // Calling View#measure() and View#layout() on a View before adding it to the view
        // hierarchy seems to cause issues with compound drawables on some versions of Android.
        // We don't need to proactively size the NTP as we don't need the Android view to render
        // if it's not actually attached to the view hierarchy (http://crbug.com/462114).
        if (view == tab.getView() && tab.isNativePage()) continue;
        setSizeOfUnattachedView(view);
    }
    sCachedViewList.clear();
}
 

private void setTab(Tab tab) {
    if (tab != null) tab.loadIfNeeded();

    TabContentViewParent newView = tab != null ? tab.getView() : null;
    if (mView == newView) return;

    // TODO(dtrainor): Look into changing this only if the views differ, but still parse the
    // ContentViewCore list even if they're the same.
    updateContentOverlayVisibility(false);

    if (mTabVisible != tab) {
        if (mTabVisible != null) mTabVisible.removeObserver(mTabObserver);
        if (tab != null) tab.addObserver(mTabObserver);
    }

    mTabVisible = tab;
    mView = newView;

    updateContentOverlayVisibility(mContentOverlayVisiblity);

    if (mTabVisible != null) initializeTab(mTabVisible);
}
 

private void setTab(Tab tab) {
    if (tab != null) tab.loadIfNeeded();

    View newView = tab != null ? tab.getView() : null;
    if (mView == newView) return;

    // TODO(dtrainor): Look into changing this only if the views differ, but still parse the
    // ContentViewCore list even if they're the same.
    updateContentOverlayVisibility(false);

    if (mTabVisible != tab) {
        if (mTabVisible != null) mTabVisible.removeObserver(mTabObserver);
        if (tab != null) tab.addObserver(mTabObserver);
    }

    mTabVisible = tab;
    mView = newView;

    updateContentOverlayVisibility(mContentOverlayVisiblity);

    if (mTabVisible != null) initializeTab(mTabVisible);
}
 

/**
 * @return A {@link View} that should be the one the user can interact with.  This can be
 *         {@code null} if there is no {@link View} representing {@link Tab} content that should
 *         be interacted with at this time.
 */
public View getViewForInteraction() {
    if (!shouldDisplayContentOverlay()) return null;

    Tab tab = mTabModelSelector.getCurrentTab();
    if (tab == null) return null;

    return tab.getView();
}
 

private Animator createNewTabOpenedAnimator(
        StackTab[] tabs, ViewGroup container, TabModel model, int focusIndex) {
    Tab tab = model.getTabAt(focusIndex);
    if (tab == null || !tab.isNativePage()) return null;

    View view = tab.getView();
    if (view == null) return null;

    // Set up the view hierarchy
    if (view.getParent() != null) ((ViewGroup) view.getParent()).removeView(view);
    ViewGroup bgView = new FrameLayout(view.getContext());
    bgView.setBackgroundColor(tab.getBackgroundColor());
    bgView.addView(view);
    container.addView(
            bgView, new LayoutParams(LayoutParams.MATCH_PARENT, LayoutParams.MATCH_PARENT));

    // Update any compositor state that needs to change
    if (tabs != null && focusIndex >= 0 && focusIndex < tabs.length) {
        tabs[focusIndex].setAlpha(0.f);
    }

    // Build the view animations
    PropertyValuesHolder xScale = PropertyValuesHolder.ofFloat(View.SCALE_X, 0.f, 1.f);
    PropertyValuesHolder yScale = PropertyValuesHolder.ofFloat(View.SCALE_Y, 0.f, 1.f);
    PropertyValuesHolder alpha = PropertyValuesHolder.ofFloat(View.ALPHA, 0.f, 1.f);
    ObjectAnimator animator = ObjectAnimator.ofPropertyValuesHolder(
            bgView, xScale, yScale, alpha);

    animator.setDuration(TAB_OPENED_ANIMATION_DURATION);
    animator.setInterpolator(BakedBezierInterpolator.TRANSFORM_FOLLOW_THROUGH_CURVE);

    float insetPx = TAB_OPENED_PIVOT_INSET_DP * mDpToPx;

    bgView.setPivotY(TAB_OPENED_PIVOT_INSET_DP);
    bgView.setPivotX(LocalizationUtils.isLayoutRtl() ? mWidthDp * mDpToPx - insetPx : insetPx);
    return animator;
}
 

/**
 * @return The current View showing in the Tab.
 */
protected View getCurrentTabView() {
    Tab tab = mToolbarDataProvider.getTab();
    if (tab != null) {
        return tab.getView();
    }
    return null;
}
 

/**
 * Sets the correct size for {@link View} on {@code tab} and sets the correct rendering
 * parameters on {@link ContentViewCore} on {@code tab}.
 * @param tab The {@link Tab} to initialize.
 */
private void initializeTab(Tab tab) {
    ContentViewCore content = tab.getActiveContentViewCore();
    if (content != null) initializeContentViewCore(content);

    View view = tab.getContentView();
    if (view != tab.getView() || !tab.isNativePage()) setSizeOfUnattachedView(view);
}
 

/**
 * @return A {@link View} that should be the one the user can interact with.  This can be
 *         {@code null} if there is no {@link View} representing {@link Tab} content that should
 *         be interacted with at this time.
 */
public View getViewForInteraction() {
    if (!shouldDisplayContentOverlay()) return null;

    Tab tab = mTabModelSelector.getCurrentTab();
    if (tab == null) return null;

    return tab.getView();
}
 

private Animator createNewTabOpenedAnimator(
        StackTab[] tabs, ViewGroup container, TabModel model, int focusIndex) {
    Tab tab = model.getTabAt(focusIndex);
    if (tab == null || !tab.isNativePage()) return null;

    View view = tab.getView();
    if (view == null) return null;

    // Set up the view hierarchy
    if (view.getParent() != null) ((ViewGroup) view.getParent()).removeView(view);
    ViewGroup bgView = new FrameLayout(view.getContext());
    bgView.setBackgroundColor(tab.getBackgroundColor());
    bgView.addView(view);
    container.addView(
            bgView, new LayoutParams(LayoutParams.MATCH_PARENT, LayoutParams.MATCH_PARENT));

    // Update any compositor state that needs to change
    if (tabs != null && focusIndex >= 0 && focusIndex < tabs.length) {
        tabs[focusIndex].setAlpha(0.f);
    }

    // Build the view animations
    PropertyValuesHolder xScale = PropertyValuesHolder.ofFloat(View.SCALE_X, 0.f, 1.f);
    PropertyValuesHolder yScale = PropertyValuesHolder.ofFloat(View.SCALE_Y, 0.f, 1.f);
    PropertyValuesHolder alpha = PropertyValuesHolder.ofFloat(View.ALPHA, 0.f, 1.f);
    ObjectAnimator animator = ObjectAnimator.ofPropertyValuesHolder(
            bgView, xScale, yScale, alpha);

    animator.setDuration(TAB_OPENED_ANIMATION_DURATION);
    animator.setInterpolator(BakedBezierInterpolator.TRANSFORM_FOLLOW_THROUGH_CURVE);

    float insetPx = TAB_OPENED_PIVOT_INSET_DP * mDpToPx;

    bgView.setPivotY(TAB_OPENED_PIVOT_INSET_DP);
    bgView.setPivotX(LocalizationUtils.isLayoutRtl() ? mWidthDp * mDpToPx - insetPx : insetPx);
    return animator;
}
 

/**
 * @return The current View showing in the Tab.
 */
protected View getCurrentTabView() {
    Tab tab = mToolbarDataProvider.getTab();
    if (tab != null) {
        return tab.getView();
    }
    return null;
}
 

/**
 * Sets the correct size for {@link View} on {@code tab} and sets the correct rendering
 * parameters on {@link ContentViewCore} on {@code tab}.
 * @param tab The {@link Tab} to initialize.
 */
private void initializeTab(Tab tab) {
    ContentViewCore content = tab.getActiveContentViewCore();
    if (content != null) initializeContentViewCore(content);

    View view = tab.getContentView();
    if (view != tab.getView() || !tab.isNativePage()) setSizeOfUnattachedView(view);
}
 

private Animator createNewTabOpenedAnimator(
        StackTab[] tabs, ViewGroup container, TabModel model, int focusIndex) {
    Tab tab = model.getTabAt(focusIndex);
    if (tab == null || !tab.isNativePage()) return null;

    View view = tab.getView();
    if (view == null) return null;

    // Set up the view hierarchy
    if (view.getParent() != null) ((ViewGroup) view.getParent()).removeView(view);
    ViewGroup bgView = new FrameLayout(view.getContext());
    bgView.setBackgroundColor(tab.getBackgroundColor());
    bgView.addView(view);
    container.addView(
            bgView, new LayoutParams(LayoutParams.MATCH_PARENT, LayoutParams.MATCH_PARENT));

    // Update any compositor state that needs to change
    if (tabs != null && focusIndex >= 0 && focusIndex < tabs.length) {
        tabs[focusIndex].setAlpha(0.f);
    }

    // Build the view animations
    PropertyValuesHolder xScale = PropertyValuesHolder.ofFloat(View.SCALE_X, 0.f, 1.f);
    PropertyValuesHolder yScale = PropertyValuesHolder.ofFloat(View.SCALE_Y, 0.f, 1.f);
    PropertyValuesHolder alpha = PropertyValuesHolder.ofFloat(View.ALPHA, 0.f, 1.f);
    ObjectAnimator animator = ObjectAnimator.ofPropertyValuesHolder(
            bgView, xScale, yScale, alpha);

    animator.setDuration(TAB_OPENED_ANIMATION_DURATION);
    animator.setInterpolator(BakedBezierInterpolator.TRANSFORM_FOLLOW_THROUGH_CURVE);

    float insetPx = TAB_OPENED_PIVOT_INSET_DP * mDpToPx;

    bgView.setPivotY(TAB_OPENED_PIVOT_INSET_DP);
    bgView.setPivotX(LocalizationUtils.isLayoutRtl() ? mWidthDp * mDpToPx - insetPx : insetPx);
    return animator;
}
 

/**
 * @return The current View showing in the Tab.
 */
protected View getCurrentTabView() {
    Tab tab = mToolbarDataProvider.getTab();
    if (tab != null) {
        return tab.getView();
    }
    return null;
}
 

public InfoBarContainer(Context context, final ViewGroup parentView, Tab tab) {
    super(context, null);
    tab.addObserver(mTabObserver);
    mTabView = tab.getView();
    mTab = tab;

    // TODO(newt): move this workaround into the infobar views if/when they're scrollable.
    // Workaround for http://crbug.com/407149. See explanation in onMeasure() below.
    setVerticalScrollBarEnabled(false);

    FrameLayout.LayoutParams lp = new FrameLayout.LayoutParams(
            LayoutParams.MATCH_PARENT, LayoutParams.WRAP_CONTENT, Gravity.BOTTOM);
    int topMarginDp = DeviceFormFactor.isTablet() ? TOP_MARGIN_TABLET_DP : TOP_MARGIN_PHONE_DP;
    lp.topMargin = Math.round(topMarginDp * getResources().getDisplayMetrics().density);
    setLayoutParams(lp);

    mParentView = parentView;

    mLayout = new InfoBarContainerLayout(context);
    addView(mLayout, new FrameLayout.LayoutParams(LayoutParams.MATCH_PARENT,
            LayoutParams.WRAP_CONTENT, Gravity.CENTER_HORIZONTAL));

    mIPHSupport = new IPHInfoBarSupport(context);
    mLayout.addAnimationListener(mIPHSupport);
    addObserver(mIPHSupport);

    // Chromium's InfoBarContainer may add an InfoBar immediately during this initialization
    // call, so make sure everything in the InfoBarContainer is completely ready beforehand.
    mNativeInfoBarContainer = nativeInit();
}
 

@Override
public void onContentChanged(Tab tab) {
    mTabView.removeOnAttachStateChangeListener(mAttachedStateListener);
    mTabView = tab.getView();
    mTabView.addOnAttachStateChangeListener(mAttachedStateListener);
}