Examples with BridgeXmlBlockParser com.android.layoutlib.bridge.android.BridgeXmlBlockParser used on opensource projects

Example 31 with BridgeXmlBlockParser

use of com.android.layoutlib.bridge.android.BridgeXmlBlockParser in project android_frameworks_base by AOSPA.

the class ResourceHelper method getInternalComplexColor.

/**
     * Returns a {@link ComplexColor} from the given {@link ResourceValue}
     *
     * @param resValue the value containing a color value or a file path to a complex color
     * definition
     * @param context the current context
     * @param theme the theme to use when resolving the complex color
     * @param allowGradients when false, only {@link ColorStateList} will be returned. If a {@link
     * GradientColor} is found, null will be returned.
     */
@Nullable
private static ComplexColor getInternalComplexColor(@NonNull ResourceValue resValue, @NonNull BridgeContext context, @Nullable Theme theme, boolean allowGradients) {
    String value = resValue.getValue();
    if (value == null || RenderResources.REFERENCE_NULL.equals(value)) {
        return null;
    }
    XmlPullParser parser = null;
    // first check if the value is a file (xml most likely)
    Boolean psiParserSupport = context.getLayoutlibCallback().getFlag(RenderParamsFlags.FLAG_KEY_XML_FILE_PARSER_SUPPORT);
    if (psiParserSupport != null && psiParserSupport) {
        parser = context.getLayoutlibCallback().getXmlFileParser(value);
    }
    if (parser == null) {
        File f = new File(value);
        if (f.isFile()) {
            // providing an XmlPullParser
            try {
                parser = ParserFactory.create(f);
            } catch (XmlPullParserException | FileNotFoundException e) {
                Bridge.getLog().error(LayoutLog.TAG_RESOURCES_READ, "Failed to parse file " + value, e, null);
            }
        }
    }
    if (parser != null) {
        try {
            BridgeXmlBlockParser blockParser = new BridgeXmlBlockParser(parser, context, resValue.isFramework());
            try {
                // Advance the parser to the first element so we can detect if it's a
                // color list or a gradient color
                int type;
                //noinspection StatementWithEmptyBody
                while ((type = blockParser.next()) != XmlPullParser.START_TAG && type != XmlPullParser.END_DOCUMENT) {
                // Seek parser to start tag.
                }
                if (type != XmlPullParser.START_TAG) {
                    throw new XmlPullParserException("No start tag found");
                }
                final String name = blockParser.getName();
                if (allowGradients && "gradient".equals(name)) {
                    return ComplexColor_Accessor.createGradientColorFromXmlInner(context.getResources(), blockParser, blockParser, theme);
                } else if ("selector".equals(name)) {
                    return ComplexColor_Accessor.createColorStateListFromXmlInner(context.getResources(), blockParser, blockParser, theme);
                }
            } finally {
                blockParser.ensurePopped();
            }
        } catch (XmlPullParserException e) {
            Bridge.getLog().error(LayoutLog.TAG_BROKEN, "Failed to configure parser for " + value, e, null);
        // we'll return null below.
        } catch (Exception e) {
            // this is an error and not warning since the file existence is
            // checked before attempting to parse it.
            Bridge.getLog().error(LayoutLog.TAG_RESOURCES_READ, "Failed to parse file " + value, e, null);
            return null;
        }
    } else {
        // try to load the color state list from an int
        try {
            int color = getColor(value);
            return ColorStateList.valueOf(color);
        } catch (NumberFormatException e) {
            Bridge.getLog().error(LayoutLog.TAG_RESOURCES_FORMAT, "Failed to convert " + value + " into a ColorStateList", e, null);
        }
    }
    return null;
}

Example 32 with BridgeXmlBlockParser

use of com.android.layoutlib.bridge.android.BridgeXmlBlockParser in project android_frameworks_base by AOSPA.

the class RenderSessionImpl method init.

/**
     * Initializes and acquires the scene, creating various Android objects such as context,
     * inflater, and parser.
     *
     * @param timeout the time to wait if another rendering is happening.
     *
     * @return whether the scene was prepared
     *
     * @see #acquire(long)
     * @see #release()
     */
@Override
public Result init(long timeout) {
    Result result = super.init(timeout);
    if (!result.isSuccess()) {
        return result;
    }
    SessionParams params = getParams();
    BridgeContext context = getContext();
    // use default of true in case it's not found to use alpha by default
    mIsAlphaChannelImage = ResourceHelper.getBooleanThemeValue(params.getResources(), "windowIsFloating", true, true);
    mLayoutBuilder = new Layout.Builder(params, context);
    // FIXME: find those out, and possibly add them to the render params
    boolean hasNavigationBar = true;
    //noinspection ConstantConditions
    IWindowManager iwm = new IWindowManagerImpl(getContext().getConfiguration(), context.getMetrics(), Surface.ROTATION_0, hasNavigationBar);
    WindowManagerGlobal_Delegate.setWindowManagerService(iwm);
    // build the inflater and parser.
    mInflater = new BridgeInflater(context, params.getLayoutlibCallback());
    context.setBridgeInflater(mInflater);
    mBlockParser = new BridgeXmlBlockParser(params.getLayoutDescription(), context, false);
    return SUCCESS.createResult();
}

Example 33 with BridgeXmlBlockParser

use of com.android.layoutlib.bridge.android.BridgeXmlBlockParser in project platform_frameworks_base by android.

the class Resources_Delegate method getXml.

@LayoutlibDelegate
static XmlResourceParser getXml(Resources resources, int id) throws NotFoundException {
    Pair<String, ResourceValue> value = getResourceValue(resources, id, mPlatformResourceFlag);
    if (value != null) {
        String v = value.getSecond().getValue();
        if (v != null) {
            // check this is a file
            File f = new File(v);
            if (f.isFile()) {
                try {
                    XmlPullParser parser = ParserFactory.create(f);
                    return new BridgeXmlBlockParser(parser, resources.mContext, mPlatformResourceFlag[0]);
                } catch (XmlPullParserException e) {
                    NotFoundException newE = new NotFoundException();
                    newE.initCause(e);
                    throw newE;
                } catch (FileNotFoundException e) {
                    NotFoundException newE = new NotFoundException();
                    newE.initCause(e);
                    throw newE;
                }
            }
        }
    }
    // id was not found or not resolved. Throw a NotFoundException.
    throwException(resources, id);
    // this is not used since the method above always throws
    return null;
}

Example 34 with BridgeXmlBlockParser

use of com.android.layoutlib.bridge.android.BridgeXmlBlockParser in project platform_frameworks_base by android.

the class Resources_Delegate method getLayout.

@LayoutlibDelegate
static XmlResourceParser getLayout(Resources resources, int id) throws NotFoundException {
    Pair<String, ResourceValue> v = getResourceValue(resources, id, mPlatformResourceFlag);
    if (v != null) {
        ResourceValue value = v.getSecond();
        XmlPullParser parser = null;
        try {
            // check if the current parser can provide us with a custom parser.
            if (!mPlatformResourceFlag[0]) {
                parser = resources.mLayoutlibCallback.getParser(value);
            }
            // create a new one manually if needed.
            if (parser == null) {
                File xml = new File(value.getValue());
                if (xml.isFile()) {
                    // we need to create a pull parser around the layout XML file, and then
                    // give that to our XmlBlockParser
                    parser = ParserFactory.create(xml, true);
                }
            }
            if (parser != null) {
                return new BridgeXmlBlockParser(parser, resources.mContext, mPlatformResourceFlag[0]);
            }
        } catch (XmlPullParserException e) {
            Bridge.getLog().error(LayoutLog.TAG_BROKEN, "Failed to configure parser for " + value.getValue(), e, null);
        // we'll return null below.
        } catch (FileNotFoundException e) {
        // this shouldn't happen since we check above.
        }
    }
    // id was not found or not resolved. Throw a NotFoundException.
    throwException(resources, id);
    // this is not used since the method above always throws
    return null;
}

Example 35 with BridgeXmlBlockParser

use of com.android.layoutlib.bridge.android.BridgeXmlBlockParser in project platform_frameworks_base by android.

the class Resources_Delegate method loadXmlResourceParser.

@LayoutlibDelegate
static XmlResourceParser loadXmlResourceParser(Resources resources, String file, int id, int assetCookie, String type) throws NotFoundException {
    // even though we know the XML file to load directly, we still need to resolve the
    // id so that we can know if it's a platform or project resource.
    // (mPlatformResouceFlag will get the result and will be used later).
    getResourceValue(resources, id, mPlatformResourceFlag);
    File f = new File(file);
    try {
        XmlPullParser parser = ParserFactory.create(f);
        return new BridgeXmlBlockParser(parser, resources.mContext, mPlatformResourceFlag[0]);
    } catch (XmlPullParserException e) {
        NotFoundException newE = new NotFoundException();
        newE.initCause(e);
        throw newE;
    } catch (FileNotFoundException e) {
        NotFoundException newE = new NotFoundException();
        newE.initCause(e);
        throw newE;
    }
}