package rui import ( "fmt" "strings" ) const ( // VideoWidth is the constant for the "video-width" property tag of VideoPlayer. // The "video-width" float property defines the width of the video's display area in pixels. VideoWidth = "video-width" // VideoHeight is the constant for the "video-height" property tag of VideoPlayer. // The "video-height" float property defines the height of the video's display area in pixels. VideoHeight = "video-height" // Poster is the constant for the "poster" property tag of VideoPlayer. // The "poster" property defines an URL for an image to be shown while the video is downloading. // If this attribute isn't specified, nothing is displayed until the first frame is available, // then the first frame is shown as the poster frame. Poster = "poster" ) type VideoPlayer interface { MediaPlayer } type videoPlayerData struct { mediaPlayerData } // NewVideoPlayer create new MediaPlayer object and return it func NewVideoPlayer(session Session, params Params) VideoPlayer { view := new(videoPlayerData) view.Init(session) view.tag = "VideoPlayer" setInitParams(view, params) return view } func newVideoPlayer(session Session) View { return NewVideoPlayer(session, nil) } func (player *videoPlayerData) Init(session Session) { player.mediaPlayerData.Init(session) player.tag = "VideoPlayer" } func (player *videoPlayerData) String() string { return getViewString(player) } func (player *videoPlayerData) htmlTag() string { return "video" } func (player *videoPlayerData) Remove(tag string) { player.remove(strings.ToLower(tag)) } func (player *videoPlayerData) remove(tag string) { switch tag { case VideoWidth: delete(player.properties, tag) removeProperty(player.htmlID(), "width", player.Session()) case VideoHeight: delete(player.properties, tag) removeProperty(player.htmlID(), "height", player.Session()) case Poster: delete(player.properties, tag) removeProperty(player.htmlID(), Poster, player.Session()) default: player.mediaPlayerData.remove(tag) } } func (player *videoPlayerData) Set(tag string, value interface{}) bool { return player.set(strings.ToLower(tag), value) } func (player *videoPlayerData) set(tag string, value interface{}) bool { if value == nil { player.remove(tag) return true } if player.mediaPlayerData.set(tag, value) { session := player.Session() updateSize := func(cssTag string) { if size, ok := floatProperty(player, tag, session, 0); ok { if size > 0 { updateProperty(player.htmlID(), cssTag, fmt.Sprintf("%g", size), session) } else { removeProperty(player.htmlID(), cssTag, session) } } } switch tag { case VideoWidth: updateSize("width") case VideoHeight: updateSize("height") case Poster: if url, ok := stringProperty(player, Poster, session); ok { updateProperty(player.htmlID(), Poster, url, session) } } return true } return false } func (player *videoPlayerData) htmlProperties(self View, buffer *strings.Builder) { player.mediaPlayerData.htmlProperties(self, buffer) session := player.Session() if size, ok := floatProperty(player, VideoWidth, session, 0); ok && size > 0 { buffer.WriteString(fmt.Sprintf(` width="%g"`, size)) } if size, ok := floatProperty(player, VideoHeight, session, 0); ok && size > 0 { buffer.WriteString(fmt.Sprintf(` height="%g"`, size)) } if url, ok := stringProperty(player, Poster, session); ok && url != "" { buffer.WriteString(` poster="`) buffer.WriteString(url) buffer.WriteString(`"`) } }