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authorAscrod <32915892+Ascrod@users.noreply.github.com>2018-05-13 09:35:23 -0400
committerAscrod <32915892+Ascrod@users.noreply.github.com>2018-05-15 21:06:41 -0500
commit9ef464a5ac0a17135a0f7b4fef070bb4f7fbe44c (patch)
tree05dd6c130cbbb80e5512a5c199c010aa4b3516e5 /toolkit/components/reader
parentb70d884598e1e14b99190e1e5c349553ff59849b (diff)
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Change Reader API to use events, remove messaging.
Diffstat (limited to 'toolkit/components/reader')
-rw-r--r--toolkit/components/reader/AboutReader.jsm143
1 files changed, 48 insertions, 95 deletions
diff --git a/toolkit/components/reader/AboutReader.jsm b/toolkit/components/reader/AboutReader.jsm
index ae1ff9d60..fb82e5789 100644
--- a/toolkit/components/reader/AboutReader.jsm
+++ b/toolkit/components/reader/AboutReader.jsm
@@ -16,10 +16,11 @@ XPCOMUtils.defineLazyModuleGetter(this, "AsyncPrefs", "resource://gre/modules/As
XPCOMUtils.defineLazyModuleGetter(this, "NarrateControls", "resource://gre/modules/narrate/NarrateControls.jsm");
XPCOMUtils.defineLazyModuleGetter(this, "Rect", "resource://gre/modules/Geometry.jsm");
XPCOMUtils.defineLazyModuleGetter(this, "PluralForm", "resource://gre/modules/PluralForm.jsm");
+XPCOMUtils.defineLazyModuleGetter(this, "PlacesUtils", "resource://gre/modules/PlacesUtils.jsm");
var gStrings = Services.strings.createBundle("chrome://global/locale/aboutReader.properties");
-var AboutReader = function(mm, win, articlePromise) {
+var AboutReader = function(win, articlePromise) {
let url = this._getOriginalUrl(win);
if (!(url.startsWith("http://") || url.startsWith("https://"))) {
let errorMsg = "Only http:// and https:// URLs can be loaded in about:reader.";
@@ -32,12 +33,6 @@ var AboutReader = function(mm, win, articlePromise) {
let doc = win.document;
- this._mm = mm;
- this._mm.addMessageListener("Reader:CloseDropdown", this);
- this._mm.addMessageListener("Reader:AddButton", this);
- this._mm.addMessageListener("Reader:RemoveButton", this);
- this._mm.addMessageListener("Reader:GetStoredArticleData", this);
-
this._docRef = Cu.getWeakReference(doc);
this._winRef = Cu.getWeakReference(win);
this._innerWindowId = win.QueryInterface(Ci.nsIInterfaceRequestor)
@@ -70,6 +65,9 @@ var AboutReader = function(mm, win, articlePromise) {
win.addEventListener("scroll", this);
win.addEventListener("resize", this);
+ win.addEventListener("AboutReaderAddButton", this, false, true);
+ win.addEventListener("AboutReaderRemoveButton", this, false, true);
+
Services.obs.addObserver(this, "inner-window-destroyed", false);
doc.addEventListener("visibilitychange", this);
@@ -78,7 +76,8 @@ var AboutReader = function(mm, win, articlePromise) {
this._setupButton("close-button", this._onReaderClose.bind(this), "aboutReader.toolbar.close");
// we're ready for any external setup, send a signal for that.
- this._mm.sendAsyncMessage("Reader:OnSetup");
+ doc.dispatchEvent(
+ new win.CustomEvent("AboutReaderOnSetup", { bubbles: true, cancelable: false }));
let colorSchemeValues = JSON.parse(Services.prefs.getCharPref("reader.color_scheme.values"));
let colorSchemeOptions = colorSchemeValues.map((value) => {
@@ -117,7 +116,7 @@ var AboutReader = function(mm, win, articlePromise) {
this._setupLineHeightButtons();
if (win.speechSynthesis && Services.prefs.getBoolPref("narrate.enabled")) {
- new NarrateControls(mm, win, this._languagePromise);
+ new NarrateControls(win, this._languagePromise);
}
this._loadArticle();
@@ -189,48 +188,6 @@ AboutReader.prototype = {
return _viewId;
},
- receiveMessage (message) {
- switch (message.name) {
- // Triggered by Android user pressing BACK while the banner font-dropdown is open.
- case "Reader:CloseDropdown": {
- // Just close it.
- this._closeDropdowns();
- break;
- }
-
- case "Reader:AddButton": {
- if (message.data.id && message.data.image &&
- !this._doc.getElementById(message.data.id)) {
- let btn = this._doc.createElement("button");
- btn.setAttribute("class", "button " + message.data.id);
- btn.setAttribute("style", "background-image: url('" + message.data.image + "')");
- btn.setAttribute("id", message.data.id);
- if (message.data.title)
- btn.setAttribute("title", message.data.title);
- if (message.data.text)
- btn.textContent = message.data.text;
- let tb = this._toolbarElement;
- tb.appendChild(btn);
- this._setupButton(message.data.id, button => {
- this._mm.sendAsyncMessage("Reader:Clicked-" + button.getAttribute("id"), { article: this._article });
- });
- }
- break;
- }
- case "Reader:RemoveButton": {
- if (message.data.id) {
- let btn = this._doc.getElementById(message.data.id);
- if (btn)
- btn.remove();
- }
- break;
- }
- case "Reader:GetStoredArticleData": {
- this._mm.sendAsyncMessage("Reader:StoredArticleData", { article: this._article });
- }
- }
- },
-
handleEvent(aEvent) {
if (!aEvent.isTrusted)
return;
@@ -249,8 +206,6 @@ AboutReader.prototype = {
break;
case "scroll":
this._closeDropdowns(true);
- let isScrollingUp = this._scrollOffset > aEvent.pageY;
- this._setSystemUIVisibility(isScrollingUp);
this._scrollOffset = aEvent.pageY;
break;
case "resize":
@@ -275,13 +230,39 @@ AboutReader.prototype = {
case "pagehide":
// Close the Banners Font-dropdown, cleanup Android BackPressListener.
this._closeDropdowns();
-
- this._mm.removeMessageListener("Reader:CloseDropdown", this);
- this._mm.removeMessageListener("Reader:AddButton", this);
- this._mm.removeMessageListener("Reader:RemoveButton", this);
- this._mm.removeMessageListener("Reader:GetStoredArticleData", this);
this._windowUnloaded = true;
break;
+
+ case "AboutReaderAddButton": {
+ if (aEvent.detail.id && aEvent.detail.image &&
+ !this._doc.getElementById(aEvent.detail.id)) {
+ let btn = this._doc.createElement("button");
+ btn.setAttribute("class", "button " + aEvent.detail.id);
+ btn.setAttribute("style", "background-image: url('" + aEvent.detail.image + "')");
+ btn.setAttribute("id", aEvent.detail.id);
+ if (aEvent.detail.title)
+ btn.setAttribute("title", aEvent.detail.title);
+ if (aEvent.detail.text)
+ btn.textContent = aEvent.detail.text;
+ let tb = this._toolbarElement;
+ tb.appendChild(btn);
+ this._setupButton(aEvent.detail.id, button => {
+ var data = { article: this._article };
+ this._doc.dispatchEvent(
+ new this._win.CustomEvent("AboutReaderButtonClicked-" + button.getAttribute("id"), {detail: data, bubbles: true, cancelable: false}));
+ });
+ }
+ break;
+ }
+
+ case "AboutReaderRemoveButton": {
+ if (aEvent.detail.id) {
+ let btn = this._doc.getElementById(aEvent.detail.id);
+ if (btn)
+ btn.remove();
+ }
+ break;
+ }
}
},
@@ -291,15 +272,11 @@ AboutReader.prototype = {
}
Services.obs.removeObserver(this, "inner-window-destroyed");
-
- this._mm.removeMessageListener("Reader:CloseDropdown", this);
- this._mm.removeMessageListener("Reader:AddButton", this);
- this._mm.removeMessageListener("Reader:RemoveButton", this);
this._windowUnloaded = true;
},
_onReaderClose() {
- ReaderMode.leaveReaderMode(this._mm.docShell, this._win);
+ ReaderMode.leaveReaderMode(this._win.document.docShell, this._win);
},
_setFontSize(newFontSize) {
@@ -616,10 +593,6 @@ AboutReader.prototype = {
AsyncPrefs.set("reader.font_type", this._fontType);
},
- _setSystemUIVisibility(visible) {
- this._mm.sendAsyncMessage("Reader:SystemUIVisibility", { visible: visible });
- },
-
_setToolbarVisibility(visible) {
let tb = this._toolbarElement;
@@ -673,30 +646,18 @@ AboutReader.prototype = {
},
_getArticle(url) {
- // return new Promise((resolve, reject) => {
- // let listener = (message) => {
- // this._mm.removeMessageListener("Reader:ArticleData", listener);
- // if (message.data.newURL) {
- // reject({ newURL: message.data.newURL });
- // return;
- // }
- // resolve(message.data.article);
- // };
- // this._mm.addMessageListener("Reader:ArticleData", listener);
- // this._mm.sendAsyncMessage("Reader:ArticleGet", { url });
- // });
- //}
return ReaderMode.downloadAndParseDocument(url);
},
_requestFavicon() {
- let handleFaviconReturn = (message) => {
- this._mm.removeMessageListener("Reader:FaviconReturn", handleFaviconReturn);
- this._loadFavicon(message.data.url, message.data.faviconUrl);
- };
-
- this._mm.addMessageListener("Reader:FaviconReturn", handleFaviconReturn);
- this._mm.sendAsyncMessage("Reader:FaviconRequest", { url: this._article.url });
+ let faviconUrl = PlacesUtils.promiseFaviconLinkUrl(this._article.url);
+ var self = this;
+ faviconUrl.then(function onResolution(favicon) {
+ self._loadFavicon(self._article.url, favicon.path.replace(/^favicon:/, ""));
+ },
+ function onRejection(reason) {
+ Cu.reportError("Error requesting favicon URL for about:reader content: " + reason);
+ }).catch(Cu.reportError);
},
_loadFavicon(url, faviconUrl) {
@@ -996,10 +957,7 @@ AboutReader.prototype = {
}
this._closeDropdowns();
-
- // Trigger BackPressListener initialization in Android.
dropdown.classList.add("open");
- this._mm.sendAsyncMessage("Reader:DropdownOpened", this.viewId);
},
/*
@@ -1017,11 +975,6 @@ AboutReader.prototype = {
for (let dropdown of openDropdowns) {
dropdown.classList.remove("open");
}
-
- // Trigger BackPressListener cleanup in Android.
- if (openDropdowns.length) {
- this._mm.sendAsyncMessage("Reader:DropdownClosed", this.viewId);
- }
},
/*