mirror of https://code.videolan.org/videolan/vlc
qml: simplify logic in MiniPlayer.qml
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@ -25,17 +25,9 @@ import "qrc:///style/"
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ControlBar {
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ControlBar {
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id: root
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id: root
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// Binding evaluation order:
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visible: animation.running || (state === "inViewport")
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// state -> implicitHeight OR visible -> anchors.bottomMargin
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// Care must be taken to not cause binding loops.
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anchors.bottomMargin: (state === "outViewport") ? -_delayedImplicitHeight : 0
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visible: {
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if (state === "inViewport")
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return true
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else if ((anchors.bottomMargin + implicitHeight) > Number.EPSILON)
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return true
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else
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return false
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}
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state: (Player.playingState === Player.PLAYING_STATE_STOPPED) ? "outViewport"
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state: (Player.playingState === Player.PLAYING_STATE_STOPPED) ? "outViewport"
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: "inViewport"
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: "inViewport"
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@ -51,29 +43,34 @@ ControlBar {
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identifier: PlayerControlbarModel.Miniplayer
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identifier: PlayerControlbarModel.Miniplayer
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property real _delayedImplicitHeight
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onImplicitHeightChanged: {
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onImplicitHeightChanged: {
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// Animation should not be based on the implicit height change
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if (!animation.running) {
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// but rather the visibility state:
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// Animation should not be based on the implicit height change
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behavior.enabled = false
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// but rather the visibility state:
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Qt.callLater(() => { behavior.enabled = true })
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behavior.enabled = false
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Qt.callLater(() => { behavior.enabled = true })
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}
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}
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}
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BindingCompat on anchors.bottomMargin {
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BindingCompat on _delayedImplicitHeight {
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id: binding
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// eliminate intermediate adjustments until implicit height is calculated fully
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// eliminate intermediate adjustments until implicit height is calculated fully
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// we can not delay on component load because we do not want twitching
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// we can not delay on component load because we do not want twitching
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// NOTE: The delay here can be removed, as long as a direct height is set
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// NOTE: The delay here can be removed, as long as a direct height is set
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// for the whole control instead of implicit height.
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// for the whole control instead of implicit height.
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delayed: behavior.enabled
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delayed: behavior.enabled
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value: root.implicitHeight
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value: (root.state === "outViewport") ? -root.implicitHeight : 0
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}
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}
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Behavior on anchors.bottomMargin {
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Behavior on anchors.bottomMargin {
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id: behavior
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id: behavior
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enabled: false
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enabled: false
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NumberAnimation { easing.type: Easing.InOutSine; duration: VLCStyle.duration_long; }
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NumberAnimation {
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id: animation
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easing.type: Easing.InOutSine
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duration: VLCStyle.duration_long
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}
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}
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}
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}
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}
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