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Unified Diff: chrome/browser/resources/pdf/index.js

Issue 110723007: Add the viewer toolbar to the PDF extension (Closed) Base URL: svn://svn.chromium.org/chrome/trunk/src
Patch Set: Created 6 years, 11 months ago
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Index: chrome/browser/resources/pdf/index.js
diff --git a/third_party/polymer/polymer/polymer.js b/chrome/browser/resources/pdf/index.js
similarity index 63%
copy from third_party/polymer/polymer/polymer.js
copy to chrome/browser/resources/pdf/index.js
index 1310d32d70863ee29c94c94338afe157d52a32ce..4be5675b5c6ebdbf1f9ad1a1b36a24c8a8c30896 100644
--- a/third_party/polymer/polymer/polymer.js
+++ b/chrome/browser/resources/pdf/index.js
@@ -27,4 +27,425 @@
// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
// @version: 0.1.3
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a=this.getAttribute("constructor");a&&(window[a]=this.ctor)},generateBasePrototype:function(a){var b=this.findBasePrototype(a);if(!b){var b=HTMLElement.getPrototypeForTag(a);b=this.ensureBaseApi(b),memoizedBases[a]=b}return b},findBasePrototype:function(a){return memoizedBases[a]},ensureBaseApi:function(a){if(a.PolymerBase)return a;var b=Object.create(a);for(var d in c.instance)e(b,c.instance[d]);return this.mixinMethod(b,a,c.instance.mdv,"bind"),b},mixinMethod:function(a,b,c,d){var e=function(a){return b[d].apply(this,a)};a[d]=function(){this.super=e;var b=c[d].apply(this,arguments);return this.super=a.super,b}},inheritObject:function(a,b,c){var d=b[a]||{};b[a]=this.chainObject(d,c[a])},registerPrototype:function(a,b){var c={prototype:this.prototype},d=this.findTypeExtension(b);d&&(c.extends=d),this.ctor=document.registerElement(a,c),this.prototype.constructor=this.ctor,HTMLElement.register(a,this.prototype)},findTypeExtension:function(a){if(a&&a.indexOf("-")<0)return a;var b=this.findBasePrototype(a);return b.element?this.findTypeExtension(b.element.extends):void 0}};f.chainObject=Object.__proto__?function(a,b){return a&&b&&a!==b&&(a.__proto__=b),a}:function(a,b){if(a&&b&&a!==b){var c=Object.create(b);a=e(c,a)}return a},memoizedBases={},c.declaration.prototype=f}(Polymer),function(a){function b(a,b){k[a]=b||{},d(a)}function c(a){return k[a]}function d(a){l[a]&&(l[a].registerWhenReady(),delete l[a])}function e(a){n[a]=!0;var b=m[a];b&&(b.forEach(function(a){a.registerWhenReady()}),delete m[a])}function f(a){return n[a]}function g(a){window.HTMLImports&&!HTMLImports.readyTime?addEventListener("HTMLImportsLoaded",a):a()}var h=a.extend,i=a.api.declaration,j=h(Object.create(HTMLElement.prototype),{createdCallback:function(){this.name=this.getAttribute("name"),this.extends=this.getAttribute("extends"),this.registerWhenReady()},registerWhenReady:function(){if(!this.waitingForPrototype(this.name)){var a=this.extends;this.waitingForExtendee(a)||(document.contains(this)?g(function(){this._register(a)}.bind(this)):this._register(a))}},_register:function(a){this.register(this.name,a),e(this.name)},waitingForPrototype:function(a){if(!c(a)){if(l[a]=this,this.hasAttribute("noscript"))if(window.CustomElements&&!CustomElements.useNative)b(a);else{var d=document.createElement("script");d.textContent="Polymer('"+a+"');",this.appendChild(d)}return!0}},waitingForExtendee:function(a){return a&&a.indexOf("-")>=0&&!f(a)?((m[a]=m[a]||[]).push(this),!0):void 0}});Object.keys(i).forEach(function(a){h(j,i[a])});var k={},l={},m={},n={};a.getRegisteredPrototype=c,h(b,a),window.Polymer=b;var o=Platform.deliverDeclarations();if(o)for(var p,q=0,r=o.length;r>q&&(p=o[q]);q++)b.apply(null,p);document.registerElement("polymer-element",{prototype:j})}(Polymer);
-//# sourceMappingURL=polymer.js.map
+//# sourceMappingURL=polymer.js.map;
+
+ Polymer('polymer-selection', {
+ /**
+ * If true, multiple selections are allowed.
+ *
+ * @attribute multi
+ * @type boolean
+ * @default false
+ */
+ multi: false,
+ ready: function() {
+ this.clear();
+ },
+ clear: function() {
+ this.selection = [];
+ },
+ /**
+ * Retrieves the selected item(s).
+ * @method getSelection
+ * @returns Returns the selected item(s). If the multi property is true,
+ * getSelection will return an array, otherwise it will return
+ * the selected item or undefined if there is no selection.
+ */
+ getSelection: function() {
+ return this.multi ? this.selection : this.selection[0];
+ },
+ /**
+ * Indicates if a given item is selected.
+ * @method isSelected
+ * @param {any} item The item whose selection state should be checked.
+ * @returns Returns true if `item` is selected.
+ */
+ isSelected: function(item) {
+ return this.selection.indexOf(item) >= 0;
+ },
+ setItemSelected: function(item, isSelected) {
+ if (item !== undefined && item !== null) {
+ if (isSelected) {
+ this.selection.push(item);
+ } else {
+ var i = this.selection.indexOf(item);
+ if (i >= 0) {
+ this.selection.splice(i, 1);
+ }
+ }
+ this.fire("polymer-select", {isSelected: isSelected, item: item});
+ }
+ },
+ /**
+ * Set the selection state for a given `item`. If the multi property
+ * is true, then the selected state of `item` will be toggled; otherwise
+ * the `item` will be selected.
+ * @method select
+ * @param {any} item: The item to select.
+ */
+ select: function(item) {
+ if (this.multi) {
+ this.toggle(item);
+ } else if (this.getSelection() !== item) {
+ this.setItemSelected(this.getSelection(), false);
+ this.setItemSelected(item, true);
+ }
+ },
+ /**
+ * Toggles the selection state for `item`.
+ * @method toggle
+ * @param {any} item: The item to toggle.
+ */
+ toggle: function(item) {
+ this.setItemSelected(item, !this.isSelected(item));
+ }
+ });
+ ;
+
+ Polymer('polymer-selector', {
+ /**
+ * Gets or sets the selected element. Default to use the index
+ * of the item element.
+ *
+ * If you want a specific attribute value of the element to be
+ * used instead of index, set "valueattr" to that attribute name.
+ *
+ * Example:
+ *
+ * <polymer-selector valueattr="label" selected="foo">
+ * <div label="foo"></div>
+ * <div label="bar"></div>
+ * <div label="zot"></div>
+ * </polymer-selector>
+ *
+ * In multi-selection this should be an array of values.
+ *
+ * Example:
+ *
+ * <polymer-selector id="selector" valueattr="label" multi>
+ * <div label="foo"></div>
+ * <div label="bar"></div>
+ * <div label="zot"></div>
+ * </polymer-selector>
+ *
+ * this.$.selector.selected = ['foo', 'zot'];
+ *
+ * @attribute selected
+ * @type Object
+ * @default null
+ */
+ selected: null,
+ /**
+ * If true, multiple selections are allowed.
+ *
+ * @attribute multi
+ * @type boolean
+ * @default false
+ */
+ multi: false,
+ /**
+ * Specifies the attribute to be used for "selected" attribute.
+ *
+ * @attribute valueattr
+ * @type string
+ * @default 'name'
+ */
+ valueattr: 'name',
+ /**
+ * Specifies the CSS class to be used to add to the selected element.
+ *
+ * @attribute selectedClass
+ * @type string
+ * @default 'polymer-selected'
+ */
+ selectedClass: 'polymer-selected',
+ /**
+ * Specifies the property to be used to set on the selected element
+ * to indicate its active state.
+ *
+ * @attribute selectedProperty
+ * @type string
+ * @default 'active'
+ */
+ selectedProperty: 'active',
+ /**
+ * Returns the currently selected element. In multi-selection this returns
+ * an array of selected elements.
+ *
+ * @attribute selectedItem
+ * @type Object
+ * @default null
+ */
+ selectedItem: null,
+ /**
+ * In single selection, this returns the model associated with the
+ * selected element.
+ *
+ * @attribute selectedModel
+ * @type Object
+ * @default null
+ */
+ selectedModel: null,
+ /**
+ * In single selection, this returns the selected index.
+ *
+ * @attribute selectedIndex
+ * @type number
+ * @default -1
+ */
+ selectedIndex: -1,
+ /**
+ * The target element that contains items. If this is not set
+ * polymer-selector is the container.
+ *
+ * @attribute target
+ * @type Object
+ * @default null
+ */
+ target: null,
+ /**
+ * This can be used to query nodes from the target node to be used for
+ * selection items. Note this only works if the 'target' property is set.
+ *
+ * Example:
+ *
+ * <polymer-selector target="{{$.myForm}}" itemsSelector="input[type=radio]"></polymer-selector>
+ * <form id="myForm">
+ * <label><input type="radio" name="color" value="red"> Red</label> <br>
+ * <label><input type="radio" name="color" value="green"> Green</label> <br>
+ * <label><input type="radio" name="color" value="blue"> Blue</label> <br>
+ * <p>color = {{color}}</p>
+ * </form>
+ *
+ * @attribute itemSelector
+ * @type string
+ * @default ''
+ */
+ itemsSelector: '',
+ /**
+ * The event that would be fired from the item element to indicate
+ * it is being selected.
+ *
+ * @attribute activateEvent
+ * @type string
+ * @default 'tap'
+ */
+ activateEvent: 'tap',
+ notap: false,
+ ready: function() {
+ this.activateListener = this.activateHandler.bind(this);
+ this.observer = new MutationObserver(this.updateSelected.bind(this));
+ if (!this.target) {
+ this.target = this;
+ }
+ },
+ get items() {
+ var nodes = this.target !== this ? (this.itemsSelector ?
+ this.target.querySelectorAll(this.itemsSelector) :
+ this.target.children) : this.$.items.getDistributedNodes();
+ return Array.prototype.filter.call(nodes || [], function(n) {
+ return n && n.localName !== 'template';
+ });
+ },
+ targetChanged: function(old) {
+ if (old) {
+ this.removeListener(old);
+ this.observer.disconnect();
+ }
+ if (this.target) {
+ this.addListener(this.target);
+ this.observer.observe(this.target, {childList: true});
+ }
+ },
+ addListener: function(node) {
+ node.addEventListener(this.activateEvent, this.activateListener);
+ },
+ removeListener: function(node) {
+ node.removeEventListener(this.activateEvent, this.activateListener);
+ },
+ get selection() {
+ return this.$.selection.getSelection();
+ },
+ selectedChanged: function() {
+ this.updateSelected();
+ },
+ updateSelected: function() {
+ this.validateSelected();
+ if (this.multi) {
+ this.clearSelection();
+ this.selected && this.selected.forEach(function(s) {
+ this.valueToSelection(s);
+ }, this);
+ } else {
+ this.valueToSelection(this.selected);
+ }
+ },
+ validateSelected: function() {
+ // convert to an array for multi-selection
+ if (this.multi && !Array.isArray(this.selected) &&
+ this.selected !== null && this.selected !== undefined) {
+ this.selected = [this.selected];
+ }
+ },
+ clearSelection: function() {
+ if (this.multi) {
+ this.selection.slice().forEach(function(s) {
+ this.$.selection.setItemSelected(s, false);
+ }, this);
+ } else {
+ this.$.selection.setItemSelected(this.selection, false);
+ }
+ this.selectedItem = null;
+ this.$.selection.clear();
+ },
+ valueToSelection: function(value) {
+ var item = (value === null || value === undefined) ?
+ null : this.items[this.valueToIndex(value)];
+ this.$.selection.select(item);
+ },
+ updateSelectedItem: function() {
+ this.selectedItem = this.selection;
+ },
+ selectedItemChanged: function() {
+ if (this.selectedItem) {
+ var t = this.selectedItem.templateInstance;
+ this.selectedModel = t ? t.model : undefined;
+ } else {
+ this.selectedModel = null;
+ }
+ this.selectedIndex = this.selectedItem ?
+ parseInt(this.valueToIndex(this.selected)) : -1;
+ },
+ valueToIndex: function(value) {
+ // find an item with value == value and return it's index
+ for (var i=0, items=this.items, c; (c=items[i]); i++) {
+ if (this.valueForNode(c) == value) {
+ return i;
+ }
+ }
+ // if no item found, the value itself is probably the index
+ return value;
+ },
+ valueForNode: function(node) {
+ return node[this.valueattr] || node.getAttribute(this.valueattr);
+ },
+ // events fired from <polymer-selection> object
+ selectionSelect: function(e, detail) {
+ this.updateSelectedItem();
+ if (detail.item) {
+ this.applySelection(detail.item, detail.isSelected)
+ }
+ },
+ applySelection: function(item, isSelected) {
+ if (this.selectedClass) {
+ item.classList.toggle(this.selectedClass, isSelected);
+ }
+ if (this.selectedProperty) {
+ item[this.selectedProperty] = isSelected;
+ }
+ },
+ // event fired from host
+ activateHandler: function(e) {
+ if (!this.notap) {
+ var i = this.findDistributedTarget(e.target, this.items);
+ if (i >= 0) {
+ var item = this.items[i];
+ var s = this.valueForNode(item) || i;
+ if (this.multi) {
+ if (this.selected) {
+ this.addRemoveSelected(s);
+ } else {
+ this.selected = [s];
+ }
+ } else {
+ this.selected = s;
+ }
+ this.asyncFire('polymer-activate', {item: item});
+ }
+ }
+ },
+ addRemoveSelected: function(value) {
+ var i = this.selected.indexOf(value);
+ if (i >= 0) {
+ this.selected.splice(i, 1);
+ } else {
+ this.selected.push(value);
+ }
+ this.valueToSelection(value);
+ },
+ findDistributedTarget: function(target, nodes) {
+ // find first ancestor of target (including itself) that
+ // is in nodes, if any
+ while (target && target != this) {
+ var i = Array.prototype.indexOf.call(nodes, target);
+ if (i >= 0) {
+ return i;
+ }
+ target = target.parentNode;
+ }
+ }
+ });
+ ;
+
+ Polymer('viewer-toolbar', {
+ fadingIn: false,
+ timerId: undefined,
+ ready: function() {
+ this.fadingInChanged();
+ },
+ fadeIn: function() {
+ this.fadingIn = true;
+ },
+ fadeOut: function() {
+ this.fadingIn = false;
+ },
+ fadingInChanged: function() {
+ if (this.fadingIn) {
+ this.style.opacity = 1;
+ if (this.timerId !== undefined) {
+ clearTimeout(this.timerId);
+ this.timerId = undefined;
+ }
+ } else {
+ if (this.timerId === undefined) {
+ this.timerId = setTimeout(
+ function() {
+ this.style.opacity = 0;
+ this.timerId = undefined;
+ }.bind(this), 3000);
+ }
+ }
+ }
+ });
+ ;
+
+ (function() {
+ var dpi = '';
+
+ Polymer('viewer-button', {
+ src: '',
+ latchable: false,
+ ready: function() {
+ if (!dpi) {
+ var mql = window.matchMedia('(-webkit-min-device-pixel-ratio: 1.3');
+ dpi = mql.matches ? 'hi' : 'low';
+ }
+ },
+ srcChanged: function() {
+ if (this.src) {
+ this.$.icon.style.backgroundImage =
+ 'url(' + this.getAttribute('assetpath') + 'img/' + dpi +
+ 'DPI/' + this.src + ')';
+ } else {
+ this.$.icon.style.backgroundImage = '';
+ }
+ },
+ latchableChanged: function() {
+ if (this.latchable)
+ this.classList.add('latchable');
+ else
+ this.classList.remove('latchable');
+ },
+ });
+ })();
+
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