centralize and fixup example sources install targets

This follows suit with aeb036e in qtbase.

Change-Id: Ie8580d0a1f38ab9858b0e44c9f99bdc552a1752a
Reviewed-by: Oswald Buddenhagen <oswald.buddenhagen@digia.com>
Reviewed-by: hjk <qthjk@ovi.com>

examples/multimedia/video/qmlvideofx/qml/qmlvideofx/Content.qml

@@ -0,0 +1,163 @@
+/****************************************************************************
+**
+** Copyright (C) 2012 Digia Plc and/or its subsidiary(-ies).
+** Contact: http://www.qt-project.org/legal
+**
+** This file is part of the Qt Mobility Components.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** Commercial License Usage
+** Licensees holding valid commercial Qt licenses may use this file in
+** accordance with the commercial license agreement provided with the
+** Software or, alternatively, in accordance with the terms contained in
+** a written agreement between you and Digia.  For licensing terms and
+** conditions see http://qt.digia.com/licensing.  For further information
+** use the contact form at http://qt.digia.com/contact-us.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 2.1 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU Lesser General Public License version 2.1 requirements
+** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Digia gives you certain additional
+** rights.  These rights are described in the Digia Qt LGPL Exception
+** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3.0 as published by the Free Software
+** Foundation and appearing in the file LICENSE.GPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU General Public License version 3.0 requirements will be
+** met: http://www.gnu.org/copyleft/gpl.html.
+**
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+import QtQuick 2.0
+
+Rectangle {
+    id: root
+    color: "black"
+    property alias effect: effectLoader.item
+    property alias gripSize: divider.gripSize
+    property string effectSource
+    property real volume: 0.5
+
+    signal videoFramePainted
+
+    Divider {
+        id: divider
+        visible: false
+        z: 1.0
+        onValueChanged: updateDivider()
+    }
+
+    ShaderEffectSource {
+        id: theSource
+        smooth: true
+        hideSource: true
+    }
+
+    Loader {
+        id: contentLoader
+    }
+
+    Loader {
+        id: effectLoader
+        source: effectSource
+    }
+
+    Connections {
+        id: videoFramePaintedConnection
+        onFramePainted: {
+            if (performanceLoader.item)
+               root.videoFramePainted()
+        }
+        ignoreUnknownSignals: true
+    }
+
+    onWidthChanged: {
+        if (effectLoader.item)
+            effectLoader.item.targetWidth = root.width
+    }
+
+    onHeightChanged: {
+        if (effectLoader.item)
+            effectLoader.item.targetHeight = root.height
+    }
+
+    onEffectSourceChanged: {
+        console.log("[qmlvideofx] Content.onEffectSourceChanged " + effectSource)
+        effectLoader.source = effectSource
+        effectLoader.item.parent = root
+        effectLoader.item.targetWidth = root.width
+        effectLoader.item.targetHeight = root.height
+        updateSource()
+        effectLoader.item.source = theSource
+        divider.visible = effectLoader.item.divider
+        updateDivider()
+    }
+
+    function init() {
+        console.log("[qmlvideofx] Content.init")
+        openImage("qrc:/images/qt-logo.png")
+        root.effectSource = "EffectPassThrough.qml"
+    }
+
+    function updateDivider() {
+        if (effectLoader.item && effectLoader.item.divider)
+            effectLoader.item.dividerValue = divider.value
+    }
+
+    function updateSource() {
+        console.log("[qmlvideofx] Content.updateSource")
+        if (contentLoader.item) {
+            contentLoader.item.parent = root
+            contentLoader.item.anchors.fill = root
+            theSource.sourceItem = contentLoader.item
+            if (effectLoader.item)
+                effectLoader.item.anchors.fill = contentLoader.item
+        }
+    }
+
+    function openImage(path) {
+        console.log("[qmlvideofx] Content.openImage \"" + path + "\"")
+        stop()
+        contentLoader.source = "ContentImage.qml"
+        videoFramePaintedConnection.target = null
+        contentLoader.item.source = path
+        updateSource()
+    }
+
+    function openVideo(path) {
+        console.log("[qmlvideofx] Content.openVideo \"" + path + "\"")
+        stop()
+        contentLoader.source = "ContentVideo.qml"
+        videoFramePaintedConnection.target = contentLoader.item
+        contentLoader.item.mediaSource = path
+        contentLoader.item.volume = volume
+        contentLoader.item.play()
+        updateSource()
+    }
+
+    function openCamera() {
+        console.log("[qmlvideofx] Content.openCamera")
+        stop()
+        contentLoader.source = "ContentCamera.qml"
+        videoFramePaintedConnection.target = contentLoader.item
+        updateSource()
+    }
+
+    function stop() {
+        console.log("[qmlvideofx] Content.stop")
+        if (contentLoader.source == "ContentVideo.qml")
+            contentLoader.item.stop()
+        theSource.sourceItem = null
+    }
+}