forked from mbk-lab/rui_orig
139 lines
3.5 KiB
Go
139 lines
3.5 KiB
Go
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(`"`)
|
|
}
|
|
}
|