| /* |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF licenses this file |
| * to you under the Apache License, Version 2.0 (the |
| * "License"); you may not use this file except in compliance |
| * with the License. You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, |
| * software distributed under the License is distributed on an |
| * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY |
| * KIND, either express or implied. See the License for the |
| * specific language governing permissions and limitations |
| * under the License. |
| */ |
| export function setViewport (app, configs = {}) { |
| /* istanbul ignore if */ |
| if (process.env.NODE_ENV === 'development') { |
| console.debug(`[JS Framework] Set viewport (width: ${configs.width}) for app#${app.id}.`) |
| validateViewport(configs) |
| } |
| |
| // Send viewport configs to native |
| if (app && app.callTasks) { |
| return app.callTasks([{ |
| module: 'meta', |
| method: 'setViewport', |
| args: [configs] |
| }]) |
| } |
| |
| /* istanbul ignore next */ |
| else if (process.env.NODE_ENV === 'development') { |
| console.warn(`[JS Framework] Can't find "callTasks" method on current app.`) |
| } |
| } |
| |
| /** |
| * Validate the viewport config. |
| * @param {Object} configs |
| */ |
| export function validateViewport (configs = {}) { |
| const { width } = configs |
| if (width) { |
| if (typeof width !== 'number' && width !== 'device-width') { |
| console.warn(`[JS Framework] Not support to use ${width} as viewport width.`) |
| return false |
| } |
| return true |
| } |
| console.warn('[JS Framework] the viewport config should contain the "width" property.') |
| return false |
| } |