Examples with ViewInfo com.android.ide.common.rendering.api.ViewInfo used on opensource projects

Example 26 with ViewInfo

use of com.android.ide.common.rendering.api.ViewInfo in project android by JetBrains.

the class IconPreviewFactory method renderDragImage.

/**
   * Return a component image to display while dragging a component from the palette.
   * Return null if such an image cannot be rendered. The palette must provide a fallback in this case.
   */
@Nullable
public BufferedImage renderDragImage(@NotNull Palette.Item item, @NotNull ScreenView screenView) {
    XmlElementFactory elementFactory = XmlElementFactory.getInstance(screenView.getModel().getProject());
    String xml = item.getDragPreviewXml();
    if (xml.equals(NO_PREVIEW)) {
        return null;
    }
    XmlTag tag;
    try {
        tag = elementFactory.createTagFromText(xml);
    } catch (IncorrectOperationException exception) {
        return null;
    }
    NlModel model = screenView.getModel();
    NlComponent component = ApplicationManager.getApplication().runWriteAction((Computable<NlComponent>) () -> model.createComponent(screenView, tag, null, null, InsertType.CREATE_PREVIEW));
    if (component == null) {
        return null;
    }
    // Some components require a parent to render correctly.
    xml = String.format(LINEAR_LAYOUT, CONTAINER_ID, component.getTag().getText());
    RenderResult result = renderImage(myExecutorService, myRenderTimeoutSeconds, getRenderTask(model.getConfiguration()), xml);
    if (result == null || !result.hasImage()) {
        return null;
    }
    ImagePool.Image image = result.getRenderedImage();
    List<ViewInfo> infos = result.getRootViews();
    if (infos.isEmpty()) {
        return null;
    }
    infos = infos.get(0).getChildren();
    if (infos == null || infos.isEmpty()) {
        return null;
    }
    ViewInfo view = infos.get(0);
    if (image.getHeight() < view.getBottom() || image.getWidth() < view.getRight() || view.getBottom() <= view.getTop() || view.getRight() <= view.getLeft()) {
        return null;
    }
    @AndroidCoordinate int shadowWitdh = SHADOW_SIZE * screenView.getConfiguration().getDensity().getDpiValue() / Density.DEFAULT_DENSITY;
    @SwingCoordinate int shadowIncrement = 1 + Coordinates.getSwingDimension(screenView, shadowWitdh);
    BufferedImage imageCopy = image.getCopy();
    if (imageCopy == null) {
        return null;
    }
    return imageCopy.getSubimage(view.getLeft(), view.getTop(), Math.min(view.getRight() + shadowIncrement, image.getWidth()), Math.min(view.getBottom() + shadowIncrement, image.getHeight()));
}

Example 27 with ViewInfo

use of com.android.ide.common.rendering.api.ViewInfo in project android by JetBrains.

the class AttributesTransaction method apply.

/**
   * Apply the current transaction, without saving to XML
   * It will trigger a layout.
   */
public void apply() {
    ViewInfo viewInfo = myComponent.viewInfo;
    if (hasPendingRelayout && viewInfo != null) {
        View currentView = (View) viewInfo.getViewObject();
        if (currentView != myCachedView.get()) {
            // The view has changed since the last update so re-apply everything
            applyAllPendingAttributesToView(myComponent.viewInfo);
        }
        triggerViewRelayout((View) myComponent.viewInfo.getViewObject());
    }
}

Example 28 with ViewInfo

use of com.android.ide.common.rendering.api.ViewInfo in project android by JetBrains.

the class NlComponentFixture method requireViewClass.

public void requireViewClass(@NotNull String fqn) {
    ViewInfo viewInfo = myComponent.viewInfo;
    Object viewObject = viewInfo.getViewObject();
    assertEquals(fqn, viewObject.getClass().getName());
}

Example 29 with ViewInfo

use of com.android.ide.common.rendering.api.ViewInfo in project android by JetBrains.

the class ViewEditorImpl method measureChildren.

@Nullable
@Override
public Map<NlComponent, Dimension> measureChildren(@NotNull NlComponent parent, @Nullable RenderTask.AttributeFilter filter) {
    // TODO: Reuse snapshot!
    Map<NlComponent, Dimension> unweightedSizes = Maps.newHashMap();
    XmlTag parentTag = parent.getTag();
    if (parentTag.isValid()) {
        if (parent.getChildCount() == 0) {
            return Collections.emptyMap();
        }
        Map<XmlTag, NlComponent> tagToComponent = Maps.newHashMapWithExpectedSize(parent.getChildCount());
        for (NlComponent child : parent.getChildren()) {
            tagToComponent.put(child.getTag(), child);
        }
        NlModel model = myScreen.getModel();
        XmlFile xmlFile = model.getFile();
        AndroidFacet facet = model.getFacet();
        RenderService renderService = RenderService.get(facet);
        RenderLogger logger = renderService.createLogger();
        final RenderTask task = renderService.createTask(xmlFile, getConfiguration(), logger, null);
        if (task == null) {
            return null;
        }
        // Measure unweighted bounds
        Map<XmlTag, ViewInfo> map = task.measureChildren(parentTag, filter);
        task.dispose();
        if (map != null) {
            for (Map.Entry<XmlTag, ViewInfo> entry : map.entrySet()) {
                ViewInfo viewInfo = entry.getValue();
                viewInfo = RenderService.getSafeBounds(viewInfo);
                Dimension size = new Dimension(viewInfo.getRight() - viewInfo.getLeft(), viewInfo.getBottom() - viewInfo.getTop());
                NlComponent child = tagToComponent.get(entry.getKey());
                if (child != null) {
                    unweightedSizes.put(child, size);
                }
            }
        }
    }
    return unweightedSizes;
}

Example 30 with ViewInfo

use of com.android.ide.common.rendering.api.ViewInfo in project android by JetBrains.

the class ConstraintModel method updateConstraintLayoutRoots.

/**
   * Traverse the hierarchy to find all ConstraintLayout instances
   * and update them. We set all the wrap_content sizes of the ConstraintLayout children
   * from layout lib
   *  @param container
   *
   */
private void updateConstraintLayoutRoots(WidgetContainer container) {
    if (container == null) {
        return;
    }
    Map<NlComponent, Dimension> wrapContentSizes = Maps.newHashMap();
    if (container instanceof ConstraintWidgetContainer) {
        NlComponent component = (NlComponent) ((WidgetCompanion) container.getCompanionWidget()).getWidgetModel();
        Insets padding = component.getPadding(true);
        container.setDimension(pxToDp(component.w - padding.width()), pxToDp(component.h - padding.height()));
        int x = pxToDp(component.x);
        int y = pxToDp(component.y);
        x += pxToDp(padding.left);
        y += pxToDp(padding.top);
        WidgetContainer parentContainer = (WidgetContainer) container.getParent();
        if (parentContainer != null) {
            if (!(parentContainer instanceof ConstraintWidgetContainer)) {
                x = pxToDp(component.x - component.getParent().x);
                y = pxToDp(component.y - component.getParent().y);
            } else {
                x -= parentContainer.getDrawX();
                y -= parentContainer.getDrawY();
            }
        }
        if (container.getX() != x || container.getY() != y) {
            container.setOrigin(x, y);
            container.forceUpdateDrawPosition();
        }
    }
    if (!(container instanceof ConstraintWidgetContainer)) {
        NlComponent component = (NlComponent) ((WidgetCompanion) container.getCompanionWidget()).getWidgetModel();
        container.setDimension(pxToDp(component.w), pxToDp(component.h));
    }
    if (container instanceof ConstraintWidgetContainer && container.getChildren().size() > 0) {
        NlComponent root = (NlComponent) ((WidgetCompanion) container.getCompanionWidget()).getWidgetModel();
        XmlTag parentTag = root.getTag();
        if (parentTag.isValid()) {
            Map<XmlTag, NlComponent> tagToComponent = Maps.newHashMapWithExpectedSize(root.getChildCount());
            for (NlComponent child : root.getChildren()) {
                tagToComponent.put(child.getTag(), child);
            }
            XmlFile xmlFile = myNlModel.getFile();
            AndroidFacet facet = myNlModel.getFacet();
            RenderService renderService = RenderService.get(facet);
            RenderLogger logger = renderService.createLogger();
            final RenderTask task = renderService.createTask(xmlFile, myNlModel.getConfiguration(), logger, null);
            if (task != null) {
                // Measure wrap_content bounds
                Map<XmlTag, ViewInfo> map = task.measureChildren(parentTag, new RenderTask.AttributeFilter() {

                    @Override
                    public String getAttribute(@NotNull XmlTag n, @Nullable String namespace, @NotNull String localName) {
                        // Change attributes to wrap_content
                        if (ATTR_LAYOUT_WIDTH.equals(localName) && ANDROID_URI.equals(namespace)) {
                            return VALUE_WRAP_CONTENT;
                        }
                        if (ATTR_LAYOUT_HEIGHT.equals(localName) && ANDROID_URI.equals(namespace)) {
                            return VALUE_WRAP_CONTENT;
                        }
                        return null;
                    }
                });
                task.dispose();
                if (map != null) {
                    for (Map.Entry<XmlTag, ViewInfo> entry : map.entrySet()) {
                        ViewInfo viewInfo = entry.getValue();
                        viewInfo = RenderService.getSafeBounds(viewInfo);
                        Dimension size = new Dimension(viewInfo.getRight() - viewInfo.getLeft(), viewInfo.getBottom() - viewInfo.getTop());
                        NlComponent child = tagToComponent.get(entry.getKey());
                        if (child != null) {
                            wrapContentSizes.put(child, size);
                        }
                    }
                }
            }
        }
    }
    for (ConstraintWidget child : container.getChildren()) {
        NlComponent component = (NlComponent) ((WidgetCompanion) child.getCompanionWidget()).getWidgetModel();
        Dimension dimension = wrapContentSizes.get(component);
        if (dimension != null) {
            child.setWrapWidth(pxToDp((int) dimension.getWidth()));
            child.setWrapHeight(pxToDp((int) dimension.getHeight()));
        }
        if (child instanceof WidgetContainer) {
            updateConstraintLayoutRoots((WidgetContainer) child);
        }
    }
}