Unity 8
CardCreator.js
1 /*
2  * Copyright (C) 2014 Canonical, Ltd.
3  *
4  * This program is free software; you can redistribute it and/or modify
5  * it under the terms of the GNU General Public License as published by
6  * the Free Software Foundation; version 3.
7  *
8  * This program is distributed in the hope that it will be useful,
9  * but WITHOUT ANY WARRANTY; without even the implied warranty of
10  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
11  * GNU General Public License for more details.
12  *
13  * You should have received a copy of the GNU General Public License
14  * along with this program. If not, see <http://www.gnu.org/licenses/>.
15  */
16 
17 .pragma library
18 
19 // %1 is the template["card-background"]["elements"][0]
20 // %2 is the template["card-background"]["elements"][1]
21 // %3 is whether the loader should be asynchronous or not
22 // %4 is the template["card-background"] string
23 var kBackgroundLoaderCode = 'Loader {\n\
24  id: backgroundLoader; \n\
25  objectName: "backgroundLoader"; \n\
26  anchors.fill: parent; \n\
27  asynchronous: %3; \n\
28  visible: status == Loader.Ready; \n\
29  sourceComponent: UbuntuShape { \n\
30  objectName: "background"; \n\
31  radius: "medium"; \n\
32  aspect: { \n\
33  switch (root.backgroundShapeStyle) { \n\
34  case "inset": return UbuntuShape.Inset; \n\
35  case "shadow": return UbuntuShape.DropShadow; \n\
36  default: \n\
37  case "flat": return UbuntuShape.Flat; \n\
38  } \n\
39  } \n\
40  backgroundColor: getColor(0) || "white"; \n\
41  secondaryBackgroundColor: getColor(1) || backgroundColor; \n\
42  backgroundMode: UbuntuShape.VerticalGradient; \n\
43  anchors.fill: parent; \n\
44  source: backgroundImage.source ? backgroundImage : null; \n\
45  property real luminance: Style.luminance(backgroundColor); \n\
46  property Image backgroundImage: Image { \n\
47  objectName: "backgroundImage"; \n\
48  source: { \n\
49  if (cardData && typeof cardData["background"] === "string") return cardData["background"]; \n\
50  else return %4; \n\
51  } \n\
52  } \n\
53  function getColor(index) { \n\
54  if (cardData && typeof cardData["background"] === "object" \n\
55  && (cardData["background"]["type"] === "color" || cardData["background"]["type"] === "gradient")) { \n\
56  return cardData["background"]["elements"][index]; \n\
57  } else return index === 0 ? %1 : %2; \n\
58  } \n\
59  } \n\
60  }\n';
61 
62 // %1 is used as anchors of artShapeHolder
63 // %2 is used as image width
64 // %3 is used as image height
65 // %4 is used for artShapeSource.hideSource and inner Loader visible
66 // %5 is used as aspect ratio fallback
67 // %6 is whether the loader should be asynchronous or not
68 // %7 is injected as code to artImage
69 // %8 is used as image fallback
70 var kArtShapeHolderCode = 'Item { \n\
71  id: artShapeHolder; \n\
72  height: root.fixedArtShapeSize.height > 0 ? root.fixedArtShapeSize.height : artShapeLoader.height; \n\
73  width: root.fixedArtShapeSize.width > 0 ? root.fixedArtShapeSize.width : artShapeLoader.width; \n\
74  anchors { %1 } \n\
75  Loader { \n\
76  id: artShapeLoader; \n\
77  objectName: "artShapeLoader"; \n\
78  readonly property string cardArt: cardData && cardData["art"] || %8; \n\
79  active: cardArt != ""; \n\
80  asynchronous: %6; \n\
81  visible: status == Loader.Ready; \n\
82  sourceComponent: Item { \n\
83  id: artShape; \n\
84  objectName: "artShape"; \n\
85  visible: image.status == Image.Ready; \n\
86  readonly property alias image: artImage; \n\
87  ShaderEffectSource { \n\
88  id: artShapeSource; \n\
89  sourceItem: artImage; \n\
90  anchors.centerIn: parent; \n\
91  width: 1; \n\
92  height: 1; \n\
93  hideSource: %4; \n\
94  } \n\
95  Loader { \n\
96  anchors.fill: parent; \n\
97  visible: %4; \n\
98  sourceComponent: root.artShapeStyle === "icon" ? artShapeIconComponent : artShapeShapeComponent; \n\
99  Component { \n\
100  id: artShapeShapeComponent; \n\
101  UbuntuShape { \n\
102  source: artShapeSource; \n\
103  sourceFillMode: UbuntuShape.PreserveAspectCrop; \n\
104  radius: "medium"; \n\
105  aspect: { \n\
106  switch (root.artShapeStyle) { \n\
107  case "inset": return UbuntuShape.Inset; \n\
108  case "shadow": return UbuntuShape.DropShadow; \n\
109  default: \n\
110  case "flat": return UbuntuShape.Flat; \n\
111  } \n\
112  } \n\
113  } \n\
114  } \n\
115  Component { \n\
116  id: artShapeIconComponent; \n\
117  ProportionalShape { source: artShapeSource; aspect: UbuntuShape.DropShadow; } \n\
118  } \n\
119  } \n\
120  readonly property real fixedArtShapeSizeAspect: (root.fixedArtShapeSize.height > 0 && root.fixedArtShapeSize.width > 0) ? root.fixedArtShapeSize.width / root.fixedArtShapeSize.height : -1; \n\
121  readonly property real aspect: fixedArtShapeSizeAspect > 0 ? fixedArtShapeSizeAspect : %5; \n\
122  Component.onCompleted: { updateWidthHeightBindings(); } \n\
123  Connections { target: root; onFixedArtShapeSizeChanged: updateWidthHeightBindings(); } \n\
124  function updateWidthHeightBindings() { \n\
125  if (root.fixedArtShapeSize.height > 0 && root.fixedArtShapeSize.width > 0) { \n\
126  width = root.fixedArtShapeSize.width; \n\
127  height = root.fixedArtShapeSize.height; \n\
128  } else { \n\
129  width = Qt.binding(function() { return image.status !== Image.Ready ? 0 : image.width }); \n\
130  height = Qt.binding(function() { return image.status !== Image.Ready ? 0 : image.height }); \n\
131  } \n\
132  } \n\
133  CroppedImageMinimumSourceSize { \n\
134  id: artImage; \n\
135  objectName: "artImage"; \n\
136  source: artShapeLoader.cardArt; \n\
137  asynchronous: %6; \n\
138  width: %2; \n\
139  height: %3; \n\
140  %7 \n\
141  } \n\
142  } \n\
143  } \n\
144  }\n';
145 
146 // %1 is anchors.fill
147 // %2 is width
148 // %3 is height
149 // %4 is whether the icon should be asynchronous or not
150 var kAudioButtonCode = 'AbstractButton { \n\
151  id: audioButton; \n\
152  anchors.fill: %1; \n\
153  width: %2; \n\
154  height: %3; \n\
155  readonly property url source: (cardData["quickPreviewData"] && cardData["quickPreviewData"]["uri"]) || ""; \n\
156  UbuntuShape { \n\
157  anchors.fill: parent; \n\
158  visible: parent.pressed; \n\
159  radius: "medium"; \n\
160  } \n\
161  Rectangle { \n\
162  color: Qt.rgba(0, 0, 0, 0.5); \n\
163  anchors.centerIn: parent; \n\
164  width: parent.width * 0.5; \n\
165  height: width; \n\
166  radius: width / 2; \n\
167  } \n\
168  Icon { \n\
169  anchors.centerIn: parent; \n\
170  width: parent.width * 0.3; \n\
171  height: width; \n\
172  opacity: 0.9; \n\
173  name: DashAudioPlayer.playing && AudioUrlComparer.compare(parent.source, DashAudioPlayer.currentSource) ? "media-playback-pause" : "media-playback-start"; \n\
174  color: "white"; \n\
175  asynchronous: %4; \n\
176  } \n\
177  onClicked: { \n\
178  if (AudioUrlComparer.compare(source, DashAudioPlayer.currentSource)) { \n\
179  if (DashAudioPlayer.playing) { \n\
180  DashAudioPlayer.pause(); \n\
181  } else { \n\
182  DashAudioPlayer.play(); \n\
183  } \n\
184  } else { \n\
185  var playlist = (cardData["quickPreviewData"] && cardData["quickPreviewData"]["playlist"]) || null; \n\
186  DashAudioPlayer.playSource(source, playlist); \n\
187  } \n\
188  } \n\
189  onPressAndHold: { \n\
190  root.pressAndHold(); \n\
191  } \n\
192  }';
193 
194 // %1 is whether the loader should be asynchronous or not
195 // %2 is the header height code
196 var kOverlayLoaderCode = 'Loader { \n\
197  id: overlayLoader; \n\
198  readonly property real overlayHeight: %2 + units.gu(2); \n\
199  anchors.fill: artShapeHolder; \n\
200  active: artShapeLoader.active && artShapeLoader.item && artShapeLoader.item.image.status === Image.Ready || false; \n\
201  asynchronous: %1; \n\
202  visible: showHeader && status == Loader.Ready; \n\
203  sourceComponent: UbuntuShapeOverlay { \n\
204  id: overlay; \n\
205  property real luminance: Style.luminance(overlayColor); \n\
206  aspect: UbuntuShape.Flat; \n\
207  radius: "medium"; \n\
208  overlayColor: cardData && cardData["overlayColor"] || "#99000000"; \n\
209  overlayRect: Qt.rect(0, 1 - overlayLoader.overlayHeight / height, 1, 1); \n\
210  } \n\
211  }\n';
212 
213 // multiple row version of HeaderRowCode
214 function kHeaderRowCodeGenerator() {
215  var kHeaderRowCodeTemplate = 'Row { \n\
216  id: row; \n\
217  objectName: "outerRow"; \n\
218  property real margins: units.gu(1); \n\
219  spacing: margins; \n\
220  %2\
221  anchors { %1 } \n\
222  anchors.right: parent.right; \n\
223  anchors.margins: margins; \n\
224  anchors.rightMargin: 0; \n\
225  data: [ \n\
226  %3 \n\
227  ] \n\
228  }\n';
229  var args = Array.prototype.slice.call(arguments);
230  var isCardTool = args.shift();
231  var heightCode = isCardTool ? "" : "height: root.fixedHeaderHeight; \n";
232  var code = kHeaderRowCodeTemplate.arg(args.shift()).arg(heightCode).arg(args.join(',\n'));
233  return code;
234 }
235 
236 // multiple item version of kHeaderContainerCode
237 function kHeaderContainerCodeGenerator() {
238  var headerContainerCodeTemplate = 'Item { \n\
239  id: headerTitleContainer; \n\
240  anchors { %1 } \n\
241  width: parent.width - x; \n\
242  implicitHeight: %2; \n\
243  data: [ \n\
244  %3 \n\
245  ]\n\
246  }\n';
247  var args = Array.prototype.slice.call(arguments);
248  var code = headerContainerCodeTemplate.arg(args.shift()).arg(args.shift()).arg(args.join(',\n'));
249  return code;
250 }
251 
252 // %1 is used as anchors of mascotShapeLoader
253 // %2 is whether the loader should be asynchronous or not
254 var kMascotShapeLoaderCode = 'Loader { \n\
255  id: mascotShapeLoader; \n\
256  objectName: "mascotShapeLoader"; \n\
257  asynchronous: %2; \n\
258  active: mascotImage.status === Image.Ready; \n\
259  visible: showHeader && active && status == Loader.Ready; \n\
260  width: units.gu(6); \n\
261  height: units.gu(5.625); \n\
262  sourceComponent: UbuntuShape { image: mascotImage } \n\
263  anchors { %1 } \n\
264  }\n';
265 
266 // %1 is used as anchors of mascotImage
267 // %2 is used as visible of mascotImage
268 // %3 is injected as code to mascotImage
269 // %4 is used as fallback image
270 var kMascotImageCode = 'CroppedImageMinimumSourceSize { \n\
271  id: mascotImage; \n\
272  objectName: "mascotImage"; \n\
273  anchors { %1 } \n\
274  source: cardData && cardData["mascot"] || %4; \n\
275  width: units.gu(6); \n\
276  height: units.gu(5.625); \n\
277  horizontalAlignment: Image.AlignHCenter; \n\
278  verticalAlignment: Image.AlignVCenter; \n\
279  visible: %2; \n\
280  %3 \n\
281  }\n';
282 
283 // %1 is used as anchors of titleLabel
284 // %2 is used as color of titleLabel
285 // %3 is used as extra condition for visible of titleLabel
286 // %4 is used as title width
287 // %5 is used as horizontal alignment
288 var kTitleLabelCode = 'Label { \n\
289  id: titleLabel; \n\
290  objectName: "titleLabel"; \n\
291  anchors { %1 } \n\
292  elide: Text.ElideRight; \n\
293  fontSize: "small"; \n\
294  wrapMode: Text.Wrap; \n\
295  maximumLineCount: 2; \n\
296  font.pixelSize: Math.round(FontUtils.sizeToPixels(fontSize) * fontScale); \n\
297  color: %2; \n\
298  visible: showHeader %3; \n\
299  width: %4; \n\
300  text: root.title; \n\
301  font.weight: cardData && cardData["subtitle"] ? Font.DemiBold : Font.Normal; \n\
302  horizontalAlignment: %5; \n\
303  }\n';
304 
305 // %1 is used as extra anchors of emblemIcon
306 // %2 is used as color of emblemIcon
307 // FIXME The width code is a
308 // Workaround for bug https://bugs.launchpad.net/ubuntu/+source/ubuntu-ui-toolkit/+bug/1421293
309 var kEmblemIconCode = 'Icon { \n\
310  id: emblemIcon; \n\
311  objectName: "emblemIcon"; \n\
312  anchors { \n\
313  bottom: titleLabel.baseline; \n\
314  right: parent.right; \n\
315  %1 \n\
316  } \n\
317  source: cardData && cardData["emblem"] || ""; \n\
318  color: %2; \n\
319  height: source != "" ? titleLabel.font.pixelSize : 0; \n\
320  width: implicitWidth > 0 && implicitHeight > 0 ? (implicitWidth / implicitHeight * height) : implicitWidth; \n\
321  }\n';
322 
323 // %1 is used as anchors of touchdown effect
324 var kTouchdownCode = 'UbuntuShape { \n\
325  id: touchdown; \n\
326  objectName: "touchdown"; \n\
327  anchors { %1 } \n\
328  visible: root.artShapeStyle != "shadow" && root.artShapeStyle != "icon" && root.pressed; \n\
329  radius: "medium"; \n\
330  borderSource: "radius_pressed.sci" \n\
331  }\n';
332 
333 // %1 is used as anchors of subtitleLabel
334 // %2 is used as color of subtitleLabel
335 var kSubtitleLabelCode = 'Label { \n\
336  id: subtitleLabel; \n\
337  objectName: "subtitleLabel"; \n\
338  anchors { %1 } \n\
339  anchors.topMargin: units.dp(2); \n\
340  elide: Text.ElideRight; \n\
341  maximumLineCount: 1; \n\
342  fontSize: "x-small"; \n\
343  font.pixelSize: Math.round(FontUtils.sizeToPixels(fontSize) * fontScale); \n\
344  color: %2; \n\
345  visible: titleLabel.visible && titleLabel.text; \n\
346  text: cardData && cardData["subtitle"] || ""; \n\
347  font.weight: Font.Light; \n\
348  }\n';
349 
350 // %1 is used as anchors of attributesRow
351 // %2 is used as color of attributesRow
352 var kAttributesRowCode = 'CardAttributes { \n\
353  id: attributesRow; \n\
354  objectName: "attributesRow"; \n\
355  anchors { %1 } \n\
356  color: %2; \n\
357  fontScale: root.fontScale; \n\
358  model: cardData && cardData["attributes"]; \n\
359  }\n';
360 
361 // %1 is used as top anchor of summary
362 // %2 is used as topMargin anchor of summary
363 // %3 is used as color of summary
364 var kSummaryLabelCode = 'Label { \n\
365  id: summary; \n\
366  objectName: "summaryLabel"; \n\
367  anchors { \n\
368  top: %1; \n\
369  left: parent.left; \n\
370  right: parent.right; \n\
371  margins: units.gu(1); \n\
372  topMargin: %2; \n\
373  } \n\
374  wrapMode: Text.Wrap; \n\
375  maximumLineCount: 5; \n\
376  elide: Text.ElideRight; \n\
377  text: cardData && cardData["summary"] || ""; \n\
378  height: text ? implicitHeight : 0; \n\
379  fontSize: "small"; \n\
380  color: %3; \n\
381  }\n';
382 
383 // %1 is used as bottom anchor of audio progress bar
384 // %2 is used as left anchor of audio progress bar
385 // %3 is used as text color
386 var kAudioProgressBarCode = 'CardAudioProgress { \n\
387  id: audioProgressBar; \n\
388  duration: (cardData["quickPreviewData"] && cardData["quickPreviewData"]["duration"]) || 0; \n\
389  source: (cardData["quickPreviewData"] && cardData["quickPreviewData"]["uri"]) || ""; \n\
390  anchors { \n\
391  bottom: %1; \n\
392  left: %2; \n\
393  right: parent.right; \n\
394  margins: units.gu(1); \n\
395  } \n\
396  color: %3; \n\
397  }';
398 
399 function sanitizeColor(colorString) {
400  if (colorString !== undefined) {
401  if (colorString.match(/^[#a-z0-9]*$/i) === null) {
402  // This is not the perfect regexp for color
403  // but what we're trying to do here is just protect
404  // against injection so it's ok
405  return "";
406  }
407  }
408  return colorString;
409 }
410 
411 function cardString(template, components, isCardTool) {
412  var code;
413 
414  var templateInteractive = (template == null ? true : (template["non-interactive"] !== undefined ? !template["non-interactive"] : true)) ? "true" : "false";
415 
416  code = 'AbstractButton { \n\
417  id: root; \n\
418  property var cardData; \n\
419  property string artShapeStyle: "inset"; \n\
420  property string backgroundShapeStyle: "inset"; \n\
421  property real fontScale: 1.0; \n\
422  property var scopeStyle: null; \n\
423  %2\
424  property size fixedArtShapeSize: Qt.size(-1, -1); \n\
425  readonly property string title: cardData && cardData["title"] || ""; \n\
426  property bool showHeader: true; \n\
427  implicitWidth: childrenRect.width; \n\
428  enabled: %1; \n\
429  \n'.arg(templateInteractive);
430 
431  code = code.arg(isCardTool ? "" : "property int fixedHeaderHeight: -1; \n");
432 
433  var hasArt = components["art"] && components["art"]["field"] || false;
434  var hasSummary = components["summary"] || false;
435  var isConciergeMode = components["art"] && components["art"]["conciergeMode"] || false;
436  var artAndSummary = hasArt && hasSummary && !isConciergeMode;
437  var isHorizontal = template["card-layout"] === "horizontal";
438  var hasBackground = (!isHorizontal && (template["card-background"] || components["background"] || artAndSummary)) ||
439  (hasSummary && (template["card-background"] || components["background"]));
440  var hasTitle = components["title"] || false;
441  var hasMascot = components["mascot"] || false;
442  var hasEmblem = components["emblem"] && !(hasMascot && template["card-size"] === "small") || false;
443  var headerAsOverlay = hasArt && template && template["overlay"] === true && (hasTitle || hasMascot);
444  var hasSubtitle = hasTitle && components["subtitle"] || false;
445  var hasHeaderRow = hasMascot && hasTitle;
446  var hasAttributes = hasTitle && components["attributes"] && components["attributes"]["field"] || false;
447  var isAudio = template["quick-preview-type"] === "audio";
448  var asynchronous = isCardTool ? "false" : "true";
449 
450  if (isAudio) {
451  // For now we only support audio cards with [optional] art, title, subtitle
452  // in horizontal mode
453  // Anything else makes it behave not like an audio card
454  if (hasSummary) isAudio = false;
455  if (!isHorizontal) isAudio = false;
456  if (hasMascot) isAudio = false;
457  if (hasEmblem) isAudio = false;
458  if (headerAsOverlay) isAudio = false;
459  if (hasAttributes) isAudio = false;
460  }
461 
462  if (hasBackground) {
463  var templateCardBackground;
464  if (template && typeof template["card-background"] === "string") {
465  templateCardBackground = 'decodeURI("' + encodeURI(template["card-background"]) + '")';
466  } else {
467  templateCardBackground = '""';
468  }
469 
470  var backgroundElements0;
471  var backgroundElements1;
472  if (template && typeof template["card-background"] === "object" && (template["card-background"]["type"] === "color" || template["card-background"]["type"] === "gradient")) {
473  var element0 = sanitizeColor(template["card-background"]["elements"][0]);
474  var element1 = sanitizeColor(template["card-background"]["elements"][1]);
475  if (element0 !== undefined) {
476  backgroundElements0 = '"%1"'.arg(element0);
477  }
478  if (element1 !== undefined) {
479  backgroundElements1 = '"%1"'.arg(element1);
480  }
481  }
482  code += kBackgroundLoaderCode.arg(backgroundElements0).arg(backgroundElements1).arg(asynchronous).arg(templateCardBackground);
483  }
484 
485  if (hasArt) {
486  code += 'readonly property size artShapeSize: artShapeLoader.item ? Qt.size(artShapeLoader.item.width, artShapeLoader.item.height) : Qt.size(-1, -1);\n';
487 
488  var widthCode, heightCode;
489  var artAnchors;
490  if (isHorizontal) {
491  artAnchors = 'left: parent.left';
492  if (hasMascot || hasTitle) {
493  widthCode = 'height * artShape.aspect'
494  heightCode = 'headerHeight + 2 * units.gu(1)';
495  } else {
496  // This side of the else is a bit silly, who wants an horizontal layout without mascot and title?
497  // So we define a "random" height of the image height + 2 gu for the margins
498  widthCode = 'height * artShape.aspect'
499  heightCode = 'units.gu(7.625)';
500  }
501  } else {
502  artAnchors = 'horizontalCenter: parent.horizontalCenter;';
503  widthCode = 'root.width'
504  heightCode = 'width / artShape.aspect';
505  }
506 
507  var aspectRatio = components["art"] && components["art"]["aspect-ratio"] || 1;
508  if (isNaN(aspectRatio)) {
509  aspectRatio = 1;
510  }
511  var fallback = !isCardTool && components["art"] && components["art"]["fallback"] || "";
512  fallback = encodeURI(fallback);
513  var fallbackStatusCode = "";
514  var fallbackURICode = '""';
515  if (fallback !== "") {
516  // fallbackStatusCode has %6 in it because we want to substitute it for fallbackURICode
517  // which in kArtShapeHolderCode is %8
518  fallbackStatusCode += 'onStatusChanged: if (status === Image.Error) source = %8;';
519  fallbackURICode = 'decodeURI("%1")'.arg(fallback);
520  }
521  code += kArtShapeHolderCode.arg(artAnchors)
522  .arg(widthCode)
523  .arg(heightCode)
524  .arg(isConciergeMode ? "false" : "true")
525  .arg(aspectRatio)
526  .arg(asynchronous)
527  .arg(fallbackStatusCode)
528  .arg(fallbackURICode);
529  } else {
530  code += 'readonly property size artShapeSize: Qt.size(-1, -1);\n'
531  }
532 
533  if (headerAsOverlay) {
534  var headerHeightCode = isCardTool ? "headerHeight" : "root.fixedHeaderHeight";
535  code += kOverlayLoaderCode.arg(asynchronous).arg(headerHeightCode);
536  }
537 
538  var headerVerticalAnchors;
539  if (headerAsOverlay) {
540  headerVerticalAnchors = 'bottom: artShapeHolder.bottom; \n\
541  bottomMargin: units.gu(1);\n';
542  } else {
543  if (hasArt) {
544  if (isHorizontal) {
545  headerVerticalAnchors = 'top: artShapeHolder.top; \n\
546  topMargin: units.gu(1);\n';
547  } else {
548  headerVerticalAnchors = 'top: artShapeHolder.bottom; \n\
549  topMargin: units.gu(1);\n';
550  }
551  } else {
552  headerVerticalAnchors = 'top: parent.top; \n\
553  topMargin: units.gu(1);\n';
554  }
555  }
556 
557  var headerLeftAnchor;
558  var headerLeftAnchorHasMargin = false;
559  if (isHorizontal && hasArt) {
560  headerLeftAnchor = 'left: artShapeHolder.right; \n\
561  leftMargin: units.gu(1);\n';
562  headerLeftAnchorHasMargin = true;
563  } else if (isHorizontal && isAudio) {
564  headerLeftAnchor = 'left: audioButton.right; \n\
565  leftMargin: units.gu(1);\n';
566  headerLeftAnchorHasMargin = true;
567  } else {
568  headerLeftAnchor = 'left: parent.left;\n';
569  }
570 
571  var touchdownOnArtShape = !hasBackground && hasArt && !hasMascot && !hasSummary && !isAudio;
572 
573  if (hasHeaderRow) {
574  code += 'readonly property int headerHeight: row.height;\n'
575  } else if (hasMascot) {
576  code += 'readonly property int headerHeight: mascotImage.height;\n'
577  } else if (hasAttributes) {
578  if (hasTitle && hasSubtitle) {
579  code += 'readonly property int headerHeight: titleLabel.height + subtitleLabel.height + subtitleLabel.anchors.topMargin + attributesRow.height + attributesRow.anchors.topMargin;\n'
580  } else if (hasTitle) {
581  code += 'readonly property int headerHeight: titleLabel.height + attributesRow.height + attributesRow.anchors.topMargin;\n'
582  } else {
583  code += 'readonly property int headerHeight: attributesRow.height;\n'
584  }
585  } else if (isAudio) {
586  if (hasSubtitle) {
587  code += 'readonly property int headerHeight: titleLabel.height + subtitleLabel.height + subtitleLabel.anchors.topMargin + audioProgressBar.height + audioProgressBar.anchors.topMargin;\n'
588  } else if (hasTitle) {
589  code += 'readonly property int headerHeight: titleLabel.height + audioProgressBar.height + audioProgressBar.anchors.topMargin;\n'
590  } else {
591  code += 'readonly property int headerHeight: audioProgressBar.height;\n'
592  }
593  } else if (hasSubtitle) {
594  code += 'readonly property int headerHeight: titleLabel.height + subtitleLabel.height + subtitleLabel.anchors.topMargin;\n'
595  } else if (hasTitle) {
596  code += 'readonly property int headerHeight: titleLabel.height;\n'
597  } else {
598  code += 'readonly property int headerHeight: 0;\n'
599  }
600 
601  var mascotShapeCode = '';
602  var mascotCode = '';
603  if (hasMascot) {
604  var useMascotShape = !hasBackground && !headerAsOverlay;
605  var mascotAnchors = '';
606  if (!hasHeaderRow) {
607  mascotAnchors += headerLeftAnchor;
608  mascotAnchors += headerVerticalAnchors;
609  if (!headerLeftAnchorHasMargin) {
610  mascotAnchors += 'leftMargin: units.gu(1);\n'
611  }
612  } else {
613  mascotAnchors = 'verticalCenter: parent.verticalCenter;'
614  }
615 
616  if (useMascotShape) {
617  mascotShapeCode = kMascotShapeLoaderCode.arg(mascotAnchors).arg(asynchronous);
618  }
619 
620  var mascotImageVisible = useMascotShape ? 'false' : 'showHeader';
621  var fallback = !isCardTool && components["mascot"] && components["mascot"]["fallback"] || "";
622  fallback = encodeURI(fallback);
623  var fallbackStatusCode = "";
624  var fallbackURICode = '""';
625  if (fallback !== "") {
626  // fallbackStatusCode has %4 in it because we want to substitute it for fallbackURICode
627  // which in kMascotImageCode is %4
628  fallbackStatusCode += 'onStatusChanged: if (status === Image.Error) source = %4;';
629  fallbackURICode = 'decodeURI("%1")'.arg(fallback);
630  }
631  mascotCode = kMascotImageCode.arg(mascotAnchors).arg(mascotImageVisible).arg(fallbackStatusCode).arg(fallbackURICode);
632  }
633 
634  var summaryColorWithBackground = 'backgroundLoader.active && backgroundLoader.item && root.scopeStyle ? root.scopeStyle.getTextColor(backgroundLoader.item.luminance) : (backgroundLoader.item && backgroundLoader.item.luminance > 0.7 ? theme.palette.normal.baseText : "white")';
635 
636  var hasTitleContainer = hasTitle && (hasEmblem || (hasMascot && (hasSubtitle || hasAttributes)));
637  var titleSubtitleCode = '';
638  if (hasTitle) {
639  var titleColor;
640  if (headerAsOverlay) {
641  titleColor = 'root.scopeStyle && overlayLoader.item ? root.scopeStyle.getTextColor(overlayLoader.item.luminance) : (overlayLoader.item && overlayLoader.item.luminance > 0.7 ? theme.palette.normal.baseText : "white")';
642  } else if (hasSummary) {
643  titleColor = 'summary.color';
644  } else if (hasBackground) {
645  titleColor = summaryColorWithBackground;
646  } else {
647  titleColor = 'root.scopeStyle ? root.scopeStyle.foreground : theme.palette.normal.baseText';
648  }
649 
650  var titleAnchors;
651  var subtitleAnchors;
652  var attributesAnchors;
653  var titleContainerAnchors;
654  var titleRightAnchor;
655  var titleWidth = "undefined";
656 
657  var extraRightAnchor = '';
658  var extraLeftAnchor = '';
659  if (!touchdownOnArtShape) {
660  extraRightAnchor = 'rightMargin: units.gu(1); \n';
661  extraLeftAnchor = 'leftMargin: units.gu(1); \n';
662  } else if (headerAsOverlay && !hasEmblem) {
663  extraRightAnchor = 'rightMargin: units.gu(1); \n';
664  }
665 
666  if (hasMascot) {
667  titleContainerAnchors = 'verticalCenter: parent.verticalCenter; ';
668  } else {
669  titleContainerAnchors = 'right: parent.right; ';
670  titleContainerAnchors += headerLeftAnchor;
671  titleContainerAnchors += headerVerticalAnchors;
672  if (!headerLeftAnchorHasMargin) {
673  titleContainerAnchors += extraLeftAnchor;
674  }
675  }
676  if (hasEmblem) {
677  titleRightAnchor = 'right: emblemIcon.left; \n\
678  rightMargin: emblemIcon.width > 0 ? units.gu(0.5) : 0; \n';
679  } else {
680  titleRightAnchor = 'right: parent.right; \n'
681  titleRightAnchor += extraRightAnchor;
682  }
683 
684  if (hasTitleContainer) {
685  // Using headerTitleContainer
686  titleAnchors = titleRightAnchor;
687  titleAnchors += 'left: parent.left; \n\
688  top: parent.top;';
689  subtitleAnchors = 'right: parent.right; \n\
690  left: parent.left; \n';
691  subtitleAnchors += extraRightAnchor;
692  if (hasSubtitle) {
693  attributesAnchors = subtitleAnchors + 'top: subtitleLabel.bottom;\n';
694  subtitleAnchors += 'top: titleLabel.bottom;\n';
695  } else {
696  attributesAnchors = subtitleAnchors + 'top: titleLabel.bottom;\n';
697  }
698  } else if (hasMascot) {
699  // Using row without titleContainer
700  titleAnchors = 'verticalCenter: parent.verticalCenter;\n';
701  titleWidth = "parent.width - x";
702  } else {
703  if (headerAsOverlay) {
704  // Using anchors to the overlay
705  titleAnchors = titleRightAnchor;
706  titleAnchors += 'left: parent.left; \n\
707  leftMargin: units.gu(1); \n\
708  top: overlayLoader.top; \n\
709  topMargin: units.gu(1) + overlayLoader.height - overlayLoader.overlayHeight; \n';
710  } else {
711  // Using anchors to the mascot/parent
712  titleAnchors = titleRightAnchor;
713  titleAnchors += headerLeftAnchor;
714  titleAnchors += headerVerticalAnchors;
715  if (!headerLeftAnchorHasMargin) {
716  titleAnchors += extraLeftAnchor;
717  }
718  }
719  subtitleAnchors = 'left: titleLabel.left; \n\
720  leftMargin: titleLabel.leftMargin; \n';
721  subtitleAnchors += extraRightAnchor;
722  if (hasEmblem) {
723  // using container
724  subtitleAnchors += 'right: parent.right; \n';
725  } else {
726  subtitleAnchors += 'right: titleLabel.right; \n';
727  }
728 
729  if (hasSubtitle) {
730  attributesAnchors = subtitleAnchors + 'top: subtitleLabel.bottom;\n';
731  subtitleAnchors += 'top: titleLabel.bottom;\n';
732  } else {
733  attributesAnchors = subtitleAnchors + 'top: titleLabel.bottom;\n';
734  }
735  }
736 
737  var titleAlignment = "Text.AlignHCenter";
738  if (template["card-layout"] === "horizontal"
739  || typeof components["title"] !== "object"
740  || components["title"]["align"] === "left") titleAlignment = "Text.AlignLeft";
741  var keys = ["mascot", "emblem", "subtitle", "attributes", "summary"];
742  for (var key in keys) {
743  key = keys[key];
744  try {
745  if (typeof components[key] === "string"
746  || typeof components[key]["field"] === "string") titleAlignment = "Text.AlignLeft";
747  } catch (e) {
748  continue;
749  }
750  }
751 
752  // code for different elements
753  var titleLabelVisibleExtra = (headerAsOverlay ? '&& overlayLoader.active': '');
754  var titleCode = kTitleLabelCode.arg(titleAnchors).arg(titleColor).arg(titleLabelVisibleExtra).arg(titleWidth).arg(titleAlignment);
755  var subtitleCode;
756  var attributesCode;
757 
758  // code for the title container
759  var containerCode = [];
760  var containerHeight = 'titleLabel.height';
761  containerCode.push(titleCode);
762  if (hasSubtitle) {
763  subtitleCode = kSubtitleLabelCode.arg(subtitleAnchors).arg(titleColor);
764  containerCode.push(subtitleCode);
765  containerHeight += ' + subtitleLabel.height';
766  }
767  if (hasEmblem) {
768  containerCode.push(kEmblemIconCode.arg(extraRightAnchor).arg(titleColor));
769  }
770  if (hasAttributes) {
771  attributesCode = kAttributesRowCode.arg(attributesAnchors).arg(titleColor);
772  containerCode.push(attributesCode);
773  containerHeight += ' + attributesRow.height';
774  }
775 
776  if (hasTitleContainer) {
777  // use container
778  titleSubtitleCode = kHeaderContainerCodeGenerator(titleContainerAnchors, containerHeight, containerCode);
779  } else {
780  // no container
781  titleSubtitleCode = titleCode;
782  if (hasSubtitle) {
783  titleSubtitleCode += subtitleCode;
784  }
785  if (hasAttributes) {
786  titleSubtitleCode += attributesCode;
787  }
788  }
789  }
790 
791  if (hasHeaderRow) {
792  var rowCode = [mascotCode, titleSubtitleCode];
793  if (mascotShapeCode != '') {
794  rowCode.unshift(mascotShapeCode);
795  }
796  code += kHeaderRowCodeGenerator(isCardTool, headerVerticalAnchors + headerLeftAnchor, rowCode)
797  } else {
798  code += mascotShapeCode + mascotCode + titleSubtitleCode;
799  }
800 
801  if (isAudio) {
802  var audioProgressBarLeftAnchor = 'audioButton.right';
803  var audioProgressBarBottomAnchor = 'audioButton.bottom';
804  var audioProgressBarTextColor = 'root.scopeStyle ? root.scopeStyle.foreground : theme.palette.normal.baseText';
805 
806  code += kAudioProgressBarCode.arg(audioProgressBarBottomAnchor)
807  .arg(audioProgressBarLeftAnchor)
808  .arg(audioProgressBarTextColor);
809 
810  var audioButtonAnchorsFill;
811  var audioButtonWidth;
812  var audioButtonHeight;
813  if (hasArt) {
814  audioButtonAnchorsFill = 'artShapeHolder';
815  audioButtonWidth = 'undefined';
816  audioButtonHeight = 'undefined';
817  } else {
818  audioButtonAnchorsFill = 'undefined';
819  audioButtonWidth = 'height';
820  audioButtonHeight = isCardTool ? 'headerHeight + 2 * units.gu(1)'
821  : 'root.fixedHeaderHeight + 2 * units.gu(1)';
822  }
823  code += kAudioButtonCode.arg(audioButtonAnchorsFill).arg(audioButtonWidth).arg(audioButtonHeight).arg(asynchronous);
824  }
825 
826  if (hasSummary) {
827  var summaryTopAnchor;
828  if (isHorizontal && hasArt) summaryTopAnchor = 'artShapeHolder.bottom';
829  else if (headerAsOverlay && hasArt) summaryTopAnchor = 'artShapeHolder.bottom';
830  else if (hasHeaderRow) summaryTopAnchor = 'row.bottom';
831  else if (hasTitleContainer) summaryTopAnchor = 'headerTitleContainer.bottom';
832  else if (hasMascot) summaryTopAnchor = 'mascotImage.bottom';
833  else if (hasAttributes) summaryTopAnchor = 'attributesRow.bottom';
834  else if (hasSubtitle) summaryTopAnchor = 'subtitleLabel.bottom';
835  else if (hasTitle) summaryTopAnchor = 'titleLabel.bottom';
836  else if (hasArt) summaryTopAnchor = 'artShapeHolder.bottom';
837  else summaryTopAnchor = 'parent.top';
838 
839  var summaryColor;
840  if (hasBackground) {
841  summaryColor = summaryColorWithBackground;
842  } else {
843  summaryColor = 'root.scopeStyle ? root.scopeStyle.foreground : theme.palette.normal.baseText';
844  }
845 
846  var summaryTopMargin = (hasMascot || hasSubtitle || hasAttributes ? 'anchors.margins' : '0');
847 
848  code += kSummaryLabelCode.arg(summaryTopAnchor).arg(summaryTopMargin).arg(summaryColor);
849  }
850 
851  var touchdownAnchors;
852  if (hasBackground) {
853  touchdownAnchors = 'fill: backgroundLoader';
854  } else if (touchdownOnArtShape) {
855  touchdownAnchors = 'fill: artShapeHolder';
856  } else {
857  touchdownAnchors = 'fill: root'
858  }
859  code += kTouchdownCode.arg(touchdownAnchors);
860 
861  var implicitHeight = 'implicitHeight: ';
862  if (hasSummary) {
863  implicitHeight += 'summary.y + summary.height + units.gu(1);\n';
864  } else if (isAudio) {
865  implicitHeight += 'audioButton.height;\n';
866  } else if (headerAsOverlay) {
867  implicitHeight += 'artShapeHolder.height;\n';
868  } else if (hasHeaderRow) {
869  implicitHeight += 'row.y + row.height + units.gu(1);\n';
870  } else if (hasMascot) {
871  implicitHeight += 'mascotImage.y + mascotImage.height;\n';
872  } else if (hasTitleContainer) {
873  implicitHeight += 'headerTitleContainer.y + headerTitleContainer.height + units.gu(1);\n';
874  } else if (hasAttributes) {
875  implicitHeight += 'attributesRow.y + attributesRow.height + units.gu(1);\n';
876  } else if (hasSubtitle) {
877  implicitHeight += 'subtitleLabel.y + subtitleLabel.height + units.gu(1);\n';
878  } else if (hasTitle) {
879  implicitHeight += 'titleLabel.y + titleLabel.height + units.gu(1);\n';
880  } else if (hasArt) {
881  implicitHeight += 'artShapeHolder.height;\n';
882  } else {
883  implicitHeight = '';
884  }
885 
886  // Close the AbstractButton
887  code += implicitHeight + '}\n';
888 
889  return code;
890 }
891 
892 function createCardComponent(parent, template, components, isCardTool, identifier) {
893  var imports = 'import QtQuick 2.4; \n\
894  import Ubuntu.Components 1.3; \n\
895  import Ubuntu.Settings.Components 0.1; \n\
896  import Dash 0.1;\n\
897  import Utils 0.1;\n';
898  var card = cardString(template, components, isCardTool);
899  var code = imports + 'Component {\n' + card + '}\n';
900 
901  try {
902  return Qt.createQmlObject(code, parent, identifier);
903  } catch (e) {
904  console.error("ERROR: Invalid component created.");
905  console.error("Template:");
906  console.error(JSON.stringify(template));
907  console.error("Components:");
908  console.error(JSON.stringify(components));
909  console.error("Code:");
910  console.error(code);
911  throw e;
912  }
913 }