This file is indexed.

/usr/lib/x86_64-linux-gnu/qt5/qml/Ubuntu/Components/Themes/Ambiance/1.2/PageHeadStyle.qml is in ubuntu-ui-toolkit-theme 1.3.1918+16.04.20160404-0ubuntu1.

This file is owned by root:root, with mode 0o644.

The actual contents of the file can be viewed below.

  1
  2
  3
  4
  5
  6
  7
  8
  9
 10
 11
 12
 13
 14
 15
 16
 17
 18
 19
 20
 21
 22
 23
 24
 25
 26
 27
 28
 29
 30
 31
 32
 33
 34
 35
 36
 37
 38
 39
 40
 41
 42
 43
 44
 45
 46
 47
 48
 49
 50
 51
 52
 53
 54
 55
 56
 57
 58
 59
 60
 61
 62
 63
 64
 65
 66
 67
 68
 69
 70
 71
 72
 73
 74
 75
 76
 77
 78
 79
 80
 81
 82
 83
 84
 85
 86
 87
 88
 89
 90
 91
 92
 93
 94
 95
 96
 97
 98
 99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
610
611
612
613
614
615
616
617
618
619
620
621
622
623
624
625
626
627
628
/*
 * Copyright 2014 Canonical Ltd.
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU Lesser General Public License as published by
 * the Free Software Foundation; version 3.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public License
 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */
import QtQuick 2.4
import Ubuntu.Components 1.2
import Ubuntu.Components.Popups 1.0
import Ubuntu.Components.ListItems 1.0 as ListItem
import Ubuntu.Components.Styles 1.2 as Style

Style.PageHeadStyle {
    id: headerStyle
    objectName: "PageHeadStyle" // used in unit tests
    contentHeight: units.gu(7)
    fontWeight: Font.Light
    fontSize: "x-large"
    textLeftMargin: units.gu(2)
    maximumNumberOfActions: 3

    /*!
      The color of the buttons in the header.
     */
    property color buttonColor: styledItem.config.foregroundColor

    /*!
      The color of the title text.
     */
    property color titleColor: styledItem.config.foregroundColor

    /*!
      The background color of the tabs panel and the actions overflow panel.
     */
    property color panelBackgroundColor: styledItem.panelColor

    /*!
      The background color of the tapped item in the panel.
     */
    property color panelHighlightColor: Theme.palette.selected.background

    /*!
      The foreground color (icon and text) of actions in the panel.
     */
    property color panelForegroundColor: Theme.palette.selected.backgroundText

    /*!
      The text color of unselected sections and the section divider.
     */
    property color sectionColor: Theme.palette.selected.backgroundText

    /*!
      The text color of the selected section.
     */
    property color selectedSectionColor: UbuntuColors.orange

    /*!
      The background color of the pressed section.
     */
    property color sectionHighlightColor: Theme.palette.selected.background

    implicitHeight: headerStyle.contentHeight + divider.height

    // FIXME: Workaround to get sectionsRepeater.count in autopilot tests,
    //  see also FIXME in AppHeader where this property is used.
    property alias __sections_repeater_for_autopilot: sectionsRepeater

    // Used by unit tests and autopilot tests to wait for animations to finish
    readonly property bool animating: headerStyle.state == "OUT"
                                      || leftAnchor.anchors.leftMargin < 0

    // for Unity8
    // FIXME: Remove this property when we introduce a header preset that does not
    //  have a separator.
    property alias __separator_visible: divider.visible

    StyledItem {
        id: divider
        anchors {
            bottom: parent.bottom
            left: parent.left
            right: parent.right
        }

        height: sectionsRow.visible ? units.gu(3) : units.gu(2)

        // separatorSource and separatorBottomSource are needed for the deprecated
        // HeadSeparatorImageStyle.
        property url separatorSource: headerStyle.separatorSource
        property url separatorBottomSource: headerStyle.separatorBottomSource

        // backgroundColor is used in the new HeadDividerStyle
        property color backgroundColor: styledItem.dividerColor

        style: Theme.createStyleComponent("HeadDividerStyle.qml", divider)

        property PageHeadSections sections: styledItem.config.sections

        Row {
            id: sectionsRow
            anchors.centerIn: parent
            width: childrenRect.width
            height: parent.height
            enabled: divider.sections.enabled
            visible: divider.sections.model !== undefined
            opacity: enabled ? 1.0 : 0.5

            Repeater {
                id: sectionsRepeater
                model: divider.sections.model
                objectName: "page_head_sections_repeater"
                AbstractButton {
                    id: sectionButton
                    anchors.verticalCenter: parent ? parent.verticalCenter : undefined
                    objectName: "section_button_" + index
                    enabled: sectionsRow.enabled
                    width: label.width + units.gu(4)
                    height: sectionsRow.height + units.gu(2)
                    property bool selected: index === divider.sections.selectedIndex
                    onClicked: divider.sections.selectedIndex = index;

                    Rectangle {
                        visible: parent.pressed
                        anchors {
                            verticalCenter: parent.verticalCenter
                            left: parent.left
                            right: parent.right
                            rightMargin: verticalDividerLine.width
                        }
                        height: sectionsRow.height
                        color: headerStyle.sectionHighlightColor
                    }

                    Label {
                        id: label
                        text: modelData
                        fontSize: "small"
                        anchors.centerIn: sectionButton
                        horizontalAlignment: Text.AlignHCenter
                        color: sectionButton.selected ?
                                   headerStyle.selectedSectionColor :
                                   headerStyle.sectionColor
                    }

                    // vertical divider line
                    Rectangle {
                        id: verticalDividerLine
                        anchors {
                            verticalCenter: parent.verticalCenter
                            right: parent.right
                        }
                        height: units.dp(10)
                        width: units.dp(1)
                        visible: index < sectionsRepeater.model.length - 1
                        color: headerStyle.sectionColor
                        opacity: 0.2
                    }
                }
            }
        }
    }

    states: [
        State {
            name: "IN"
            PropertyChanges {
                target: allContents
                opacity: 1.0
            }
        },
        State {
            name: "OUT"
            PropertyChanges {
                target: allContents
                opacity: 0.0
            }
        }
    ]

    function animateOut() {
        state = "OUT";
    }
    function animateIn() {
        state = "IN";
    }

    signal animateOutFinished()
    signal animateInFinished()

    transitions: [
        Transition {
            id: transitionOut
            from: "IN"
            to: "OUT"
            SequentialAnimation {
                ParallelAnimation {
                    UbuntuNumberAnimation {
                        target: allContents
                        property: "opacity"
                        from: 1.0
                        to: 0.0
                    }
                    UbuntuNumberAnimation {
                        target: leftAnchor
                        properties: "anchors.leftMargin"
                        from: 0.0
                        to: -units.gu(5)
                    }
                    UbuntuNumberAnimation {
                        target: rightAnchor
                        properties: "anchors.rightMargin"
                        from: 0
                        to: -units.gu(5)
                    }
                }
                ScriptAction {
                    script: headerStyle.animateOutFinished()
                }
            }
        },
        Transition {
            id: transitionIn
            from: "OUT"
            to: "IN"
            SequentialAnimation {
                ParallelAnimation {
                    UbuntuNumberAnimation {
                        target: allContents
                        property: "opacity"
                        from: 0.0
                        to: 1.0
                    }
                    UbuntuNumberAnimation {
                        target: leftAnchor
                        properties: "anchors.leftMargin"
                        from: -units.gu(5)
                        to: 0
                    }
                    UbuntuNumberAnimation {
                        target: rightAnchor
                        properties: "anchors.rightMargin"
                        from: -units.gu(5)
                        to: 0
                    }
                }
                ScriptAction {
                    script: headerStyle.animateInFinished()
                }
            }
        }
    ]

    Item {
        id: allContents
        anchors.fill: parent

        Item {
            id: leftAnchor
            anchors {
                top: parent.top
                bottom: parent.bottom
                left: parent.left
                leftMargin: 0
            }
            width: 0
        }
        Item {
            id: rightAnchor
            anchors {
                top: parent.top
                bottom: parent.bottom
                right: parent.right
                rightMargin: 0
            }
            width: 0
        }

        Item {
            id: leftButtonContainer
            anchors {
                left: leftAnchor.right
                top: parent.top
                leftMargin: width > 0 ? units.gu(1) : 0
            }
            width: childrenRect.width
            height: headerStyle.contentHeight

            PageHeadButton {
                id: customBackButton
                objectName: "customBackButton"
                action: styledItem.config.backAction
                visible: null !== styledItem.config.backAction &&
                         styledItem.config.backAction.visible
                color: styledItem.config.foregroundColor
            }

            PageHeadButton {
                id: backButton
                objectName: "backButton"

                iconName: "back"
                visible: styledItem.pageStack !== null &&
                         styledItem.pageStack !== undefined &&
                         styledItem.pageStack.depth > 1 &&
                         !styledItem.config.backAction

                text: "back"
                color: styledItem.config.foregroundColor

                onTriggered: {
                    styledItem.pageStack.pop();
                }
            }

            PageHeadButton {
                id: tabsButton
                objectName: "tabsButton"

                iconName: "navigation-menu"
                visible: styledItem.tabsModel !== null &&
                         styledItem.tabsModel !== undefined &&
                         !backButton.visible &&
                         !customBackButton.visible
                text: visible ? styledItem.tabsModel.count + " tabs" : ""
                color: headerStyle.buttonColor

                onTriggered: PopupUtils.open(tabsPopoverComponent, tabsButton)

                Component {
                    id: tabsPopoverComponent

                    OverflowPanel {
                        id: tabsPopover
                        objectName: "tabsPopover"
                        callerMargin: -units.gu(1) + units.dp(4)
                        contentWidth: units.gu(20)

                        Binding {
                            target: tabsPopover.__foreground.__styleInstance
                            property: "color"
                            value: headerStyle.panelBackgroundColor
                            when: tabsPopover.__foreground &&
                                  tabsPopover.__foreground.__styleInstance
                        }

                        Column {
                            anchors {
                                left: parent.left
                                top: parent.top
                                right: parent.right
                            }
                            Repeater {
                                model: styledItem.tabsModel
                                AbstractButton {
                                    objectName: "tabButton" + index
                                    onClicked: {
                                        styledItem.tabsModel.selectedIndex = index;
                                        tabsPopover.hide();
                                    }
                                    implicitHeight: units.gu(6) + bottomDividerLine.height
                                    width: parent ? parent.width : units.gu(31)

                                    Rectangle {
                                        visible: parent.pressed
                                        anchors {
                                            left: parent.left
                                            right: parent.right
                                            top: parent.top
                                        }
                                        height: parent.height - bottomDividerLine.height
                                        color: headerStyle.panelHighlightColor
                                    }

                                    Label {
                                        anchors {
                                            verticalCenter: parent.verticalCenter
                                            verticalCenterOffset: units.dp(-1)
                                            left: parent.left
                                            leftMargin: units.gu(2)
                                            right: parent.right
                                        }
                                        fontSize: "medium"
                                        elide: Text.ElideRight
                                        text: tab.title // FIXME: only "title" doesn't work with i18n.tr(). Why not?
                                        color: headerStyle.panelForegroundColor
                                    }

                                    ListItem.ThinDivider {
                                        id: bottomDividerLine
                                        anchors.bottom: parent.bottom
                                        visible: index < styledItem.tabsModel.count - 1
                                    }
                                }
                            }
                        }
                    }
                }
            }
        }

        Item {
            id: foreground
            anchors {
                left: leftButtonContainer.right
                top: parent.top
                // don't keep a margin if there is already a button with spacing
                leftMargin: leftButtonContainer.width > 0 ? 0 : headerStyle.textLeftMargin
            }
            width: parent.width - anchors.leftMargin
                   - leftButtonContainer.anchors.leftMargin - leftButtonContainer.width
                   - actionsContainer.anchors.rightMargin - actionsContainer.width
            height: headerStyle.contentHeight

            Label {
                objectName: "header_title_label"
                LayoutMirroring.enabled: Qt.application.layoutDirection == Qt.RightToLeft
                visible: !contentsContainer.visible && styledItem.config.preset === ""
                anchors {
                    left: parent.left
                    right: parent.right
                    verticalCenter: parent.verticalCenter
                }
                text: styledItem.title
                font.weight: headerStyle.fontWeight
                fontSize: headerStyle.fontSize
                color: headerStyle.titleColor
                elide: Text.ElideRight
            }

            Item {
                // This Item is used to make the custom header item invisible
                // when styledItem.contents is unset and its parent is not updated
                // when the bindings below is no longer active
                id: contentsContainer
                anchors.fill: parent
                visible: styledItem.contents || styledItem.config.contents
            }
            Binding {
                target: styledItem.contents
                property: "anchors.fill"
                value: contentsContainer
                when: styledItem.contents
            }
            Binding {
                target: styledItem.contents
                property: "parent"
                value: contentsContainer
                when: styledItem.contents
            }
            Binding {
                target: styledItem.config.contents
                property: "parent"
                value: contentsContainer
                when: styledItem.config.contents && !styledItem.contents
            }
        }

        Row {
            id: actionsContainer

            property var visibleActions: getVisibleActions(styledItem.config.actions)
            function getVisibleActions(actions) {
                var visibleActionList = [];
                for (var i in actions) {
                    var action = actions[i];
                    if (action && action.hasOwnProperty("visible") && action.visible) {
                        visibleActionList.push(action);
                    }
                }
                return visibleActionList;
            }

            QtObject {
                id: numberOfSlots
                property int requested: actionsContainer.visibleActions.length
                property int left: tabsButton.visible || backButton.visible ||
                                   customBackButton.visible ? 1 : 0
                property int right: headerStyle.maximumNumberOfActions - left
                property int overflow: actionsOverflowButton.visible ? 1 : 0
                property int used: Math.min(right - overflow, requested)
            }

            anchors {
                top: parent.top
                right: rightAnchor.left
                rightMargin: actionsContainer.width > 0 ? units.gu(1) : 0
            }
            width: childrenRect.width
            height: headerStyle.contentHeight

            Repeater {
                model: numberOfSlots.used
                PageHeadButton {
                    id: actionButton
                    objectName: action.objectName + "_header_button"
                    action: actionsContainer.visibleActions[index]
                    color: headerStyle.buttonColor
                    state: styledItem.config.preset === "select" ?
                               "IconAndLabel" : ""
                }
            }

            PageHeadButton {
                id: actionsOverflowButton
                objectName: "actions_overflow_button"
                visible: numberOfSlots.requested > numberOfSlots.right
                // Ensure resetting of X when this button is not visible to avoid
                // miscalculation of actionsContainer.width. Fixes bug #1408481.
                onVisibleChanged: if (!visible) x = 0
                iconName: "contextual-menu"
                color: headerStyle.buttonColor
                height: actionsContainer.height
                onTriggered: PopupUtils.open(actionsOverflowPopoverComponent, actionsOverflowButton)

                Component {
                    id: actionsOverflowPopoverComponent

                    OverflowPanel {
                        id: actionsOverflowPopover
                        objectName: "actions_overflow_popover"
                        callerMargin: -units.gu(1) + units.dp(4)
                        contentWidth: units.gu(20)

                        Binding {
                            target: actionsOverflowPopover.__foreground.__styleInstance
                            property: "color"
                            value: headerStyle.panelBackgroundColor
                            when: actionsOverflowPopover.__foreground &&
                                  actionsOverflowPopover.__foreground.__styleInstance
                        }

                        // Ensure the popover closes when actions change and
                        // the list item below may be destroyed before its
                        // onClicked is executed. See bug
                        // https://bugs.launchpad.net/ubuntu-ui-toolkit/+bug/1326963
                        Connections {
                            target: styledItem.config
                            onActionsChanged: {
                                actionsOverflowPopover.hide();
                            }
                        }
                        Connections {
                            target: styledItem
                            onConfigChanged: {
                                actionsOverflowPopover.hide();
                            }
                        }

                        Column {
                            anchors {
                                left: parent.left
                                top: parent.top
                                right: parent.right
                            }
                            Repeater {
                                id: overflowRepeater
                                model: numberOfSlots.requested - numberOfSlots.used
                                AbstractButton {
                                    action: actionsContainer.visibleActions[numberOfSlots.used + index]
                                    objectName: action.objectName + "_header_overflow_button"
                                    onClicked: actionsOverflowPopover.hide()
                                    implicitHeight: units.gu(6) + bottomDividerLine.height
                                    width: parent ? parent.width : units.gu(31)

                                    Rectangle {
                                        visible: parent.pressed
                                        anchors {
                                            left: parent.left
                                            right: parent.right
                                            top: parent.top
                                        }
                                        height: parent.height - bottomDividerLine.height
                                        color: headerStyle.panelHighlightColor
                                    }

                                    Icon {
                                        id: actionIcon
                                        source: action.iconSource
                                        color: headerStyle.panelForegroundColor
                                        anchors {
                                            verticalCenter: parent.verticalCenter
                                            verticalCenterOffset: units.dp(-1)
                                            left: parent.left
                                            leftMargin: units.gu(2)
                                        }
                                        width: units.gu(2)
                                        height: units.gu(2)
                                        opacity: action.enabled ? 1.0 : 0.5
                                    }

                                    Label {
                                        anchors {
                                            verticalCenter: parent.verticalCenter
                                            verticalCenterOffset: units.dp(-1)
                                            left: actionIcon.right
                                            leftMargin: units.gu(2)
                                            right: parent.right
                                        }
                                        fontSize: "small"
                                        elide: Text.ElideRight
                                        text: action.text
                                        color: headerStyle.panelForegroundColor
                                        opacity: action.enabled ? 1.0 : 0.5
                                    }

                                    ListItem.ThinDivider {
                                        id: bottomDividerLine
                                        anchors.bottom: parent.bottom
                                        visible: index !== overflowRepeater.count - 1
                                    }
                                }
                            }
                        }
                    }
                }
            }
        }
    }
}