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Bug 1000305 - Part 1 - Add a getIcon() method. r=fabrice r=ehsan

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This commit is contained in:
Ted Clancy 2014-12-18 17:40:41 -05:00
parent 646544ea00
commit 3852ba3695
3 changed files with 109 additions and 3 deletions
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30
dom/apps/Webapps.js
View File

@ -831,6 +831,7 @@ WebappsApplicationMgmt.prototype = {
"Webapps:Uninstall:Return:KO",
"Webapps:Install:Return:OK",
"Webapps:GetNotInstalled:Return:OK",
"Webapps:GetIcon:Return",
"Webapps:Import:Return",
"Webapps:ExtractManifest:Return",
"Webapps:SetEnabled:Return"]);
@ -896,6 +897,21 @@ WebappsApplicationMgmt.prototype = {
return request;
},
getIcon: function(aApp, aIconID, aEntryPoint) {
return this.createPromise(function(aResolve, aReject) {
cpmm.sendAsyncMessage("Webapps:GetIcon", {
oid: this._id,
manifestURL: aApp.manifestURL,
iconID: aIconID,
entryPoint: aEntryPoint,
requestID: this.getPromiseResolverId({
resolve: aResolve,
reject: aReject
})
});
}.bind(this));
},
getNotInstalled: function() {
let request = this.createRequest();
let principal = this._window.document.nodePrincipal;
@ -970,7 +986,8 @@ WebappsApplicationMgmt.prototype = {
let msg = aMessage.data;
let req;
if (["Webapps:Import:Return",
if (["Webapps:GetIcon:Return",
"Webapps:Import:Return",
"Webapps:ExtractManifest:Return"]
.indexOf(aMessage.name) != -1) {
req = this.takePromiseResolver(msg.requestID);
@ -1036,7 +1053,18 @@ WebappsApplicationMgmt.prototype = {
this.__DOM_IMPL__.dispatchEvent(event);
}
break;
case "Webapps:GetIcon:Return":
if (msg.blob) {
req.resolve(Cu.cloneInto(msg.blob, this._window));
} else if (msg.error && msg.error == "NETWORK_ERROR"
&& !this._window.navigator.onLine) {
req.reject(new this._window.DOMError("NETWORK_OFFLINE"));
} else {
req.reject(new this._window.DOMError(msg.error || ""));
}
break;
}
if (aMessage.name !== "Webapps:Uninstall:Broadcast:Return:OK") {
this.removeRequest(msg.requestID);
}

80
dom/apps/Webapps.jsm
View File

@ -224,6 +224,7 @@ this.DOMApplicationRegistry = {
"Webapps:RegisterBEP",
"Webapps:Export",
"Webapps:Import",
"Webapps:GetIcon",
"Webapps:ExtractManifest",
"Webapps:SetEnabled",
"child-process-shutdown"];
@ -1428,6 +1429,9 @@ this.DOMApplicationRegistry = {
case "Webapps:RegisterBEP":
this.registerBrowserElementParentForApp(msg, mm);
break;
case "Webapps:GetIcon":
this.getIcon(msg, mm);
break;
case "Webapps:Export":
this.doExport(msg, mm);
break;
@ -4282,6 +4286,74 @@ this.DOMApplicationRegistry = {
});
},
getIcon: function(aData, aMm) {
function sendError(aError) {
debug("getIcon error: " + aError);
aData.error = aError;
aMm.sendAsyncMessage("Webapps:GetIcon:Return", aData);
}
let app = this.getAppByManifestURL(aData.manifestURL);
if (!app) {
sendError("NO_APP");
return;
}
function loadIcon(aUrl) {
let fallbackMimeType = aUrl.indexOf('.') >= 0 ?
"image/" + aUrl.split(".").reverse()[0] : "";
// Set up an xhr to download a blob.
let xhr = Cc["@mozilla.org/xmlextras/xmlhttprequest;1"]
.createInstance(Ci.nsIXMLHttpRequest);
xhr.mozBackgroundRequest = true;
xhr.open("GET", aUrl, true);
xhr.responseType = "blob";
xhr.addEventListener("load", function() {
debug("Got http status=" + xhr.status + " for " + aUrl);
if (xhr.status == 200) {
let blob = xhr.response;
// Reusing aData with sendAsyncMessage() leads to an empty blob in
// the child.
let payload = {
"oid": aData.oid,
"requestID": aData.requestID,
"blob": blob,
"type": xhr.getResponseHeader("Content-Type") || fallbackMimeType
};
aMm.sendAsyncMessage("Webapps:GetIcon:Return", payload);
} else if (xhr.status === 0) {
sendError("NETWORK_ERROR");
} else {
sendError("FETCH_ICON_FAILED");
}
});
xhr.addEventListener("error", function() {
sendError("FETCH_ICON_FAILED");
});
xhr.send();
}
// Get the manifest, to find the icon url in the current locale.
this.getManifestFor(aData.manifestURL, aData.entryPoint)
.then((aManifest) => {
if (!aManifest) {
sendError("FETCH_ICON_FAILED");
return;
}
let manifest = new ManifestHelper(aManifest, app.origin, app.manifestURL);
let url = manifest.iconURLForSize(aData.iconID);
if (!url) {
sendError("NO_ICON");
return;
}
loadIcon(url);
}).catch(() => {
sendError("FETCH_ICON_FAILED");
return;
});
},
getAll: function(aCallback) {
debug("getAll");
let apps = [];
@ -4515,7 +4587,7 @@ this.DOMApplicationRegistry = {
});
},
getManifestFor: function(aManifestURL) {
getManifestFor: function(aManifestURL, aEntryPoint) {
let id = this._appIdForManifestURL(aManifestURL);
let app = this.webapps[id];
if (!id || (app.installState == "pending" && !app.retryingDownload)) {
@ -4523,7 +4595,11 @@ this.DOMApplicationRegistry = {
}
return this._readManifests([{ id: id }]).then((aResult) => {
return aResult[0].manifest;
if (aEntryPoint) {
return aResult[0].manifest.entry_points[aEntryPoint];
} else {
return aResult[0].manifest;
}
});
},

2
dom/webidl/Apps.webidl
View File

@ -121,6 +121,8 @@ interface DOMApplicationsManager : EventTarget {
Promise<any> extractManifest(Blob blob);
void setEnabled(DOMApplication app, boolean state);
Promise<Blob> getIcon(DOMApplication app, DOMString iconID,
optional DOMString entryPoint);
attribute EventHandler oninstall;
attribute EventHandler onuninstall;