From 1c0dc233a92250d9f1ea4f9376914a91fe90fb2e Mon Sep 17 00:00:00 2001
From: kkapsner <github@mail.kkapsner.de>
Date: Mon, 15 Dec 2014 18:43:47 +0100
Subject: [PATCH] Added preferences to display caller(s)

---
 canvasblocker.xpi       | Bin 22712 -> 23772 bytes
 data/inject.js          |  45 +++++++++++++++++++++++++++++++++-------
 lib/main.js             |  17 +++++++++++++++
 locale/de-DE.properties |  11 +++++++++-
 locale/en-US.properties |  11 +++++++++-
 package.json            |  12 +++++++++++
 6 files changed, 87 insertions(+), 9 deletions(-)

diff --git a/canvasblocker.xpi b/canvasblocker.xpi
index d00aa0559d04427d1200bd775b06eaae7e026353..6ada0347a7af62e44a3ab1c16ff77db60f3827fd 100644
GIT binary patch
delta 6825
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diff --git a/data/inject.js b/data/inject.js
index a45b194..d479bc6 100644
--- a/data/inject.js
+++ b/data/inject.js
@@ -2,6 +2,9 @@
 (function(){
 	"use strict";
 	
+	var settings = {
+		showCallingFile: false
+	};
 	var blockMode = {
 		getContext: {
 			status: "block",
@@ -103,8 +106,8 @@
 						else {
 							//console.log("asking");
 							var msg = _(changedFunction.mode.askText);
-							if (changedFunction.mode.askText === "askForReadoutPermission"){
-								var callers = new Error().stack.split('\n');
+							if (settings.showCallingFile){
+								var callers = new Error().stack.trim().split("\n");
 								//console.log(callers);
 								var findme = callers.shift(); // Remove us from the stack
 								findme = findme.replace(/(:[0-9]+){1,2}$/, ""); // rm line & column
@@ -112,9 +115,15 @@
 								callers = callers.filter(function(caller){
 									return caller.search(findme) === -1;
 								});
-								msg += "\n\nCaller: " + callers[0];
-								// maybe show full stack here if some pref
-								//msg += "\n\nFull stack: \n" + callers.join('\n');
+								msg += "\n\n" + _("sourceOutput") + ": ";
+								if (settings.showCompleteCallingStack){
+									msg += callers.reduce(function(stack, c){
+										return stack + "\n\t" + _("stackEntryOutput", parseStackEntry(c));
+									}, "");
+								}
+								else{
+									msg += _("stackEntryOutput", parseStackEntry(callers[0]));
+								}
 							}
 							status = window.confirm(msg) ? "allow": "block";
 							askStatus.alreadyAsked = true;
@@ -140,9 +149,26 @@
 		);
 	});
 	
+	// Stack parsing
+	function parseStackEntry(entry){
+		var m = /@(.*):(\d*):(\d*)$/.exec(entry) || ["", entry, "--", "--"];
+		return {
+			url: m[1],
+			line: m[2],
+			column: m[3],
+			raw: entry
+		};
+	}
+	
 	// Translation
-	var _ = function(name){
-		return _[name] || name;
+	var _ = function(name, replace){
+		var str = _[name] || name;
+		if (replace){
+			Object.keys(replace).forEach(function(name){
+				str = str.replace(new RegExp("{" + name + "}", "g"), replace[name]);
+			});
+		}
+		return str;
 	};
 	self.port.on("setTranslation", function(name, translation){
 		_[name] = translation;
@@ -198,4 +224,9 @@
 		blockMode.getContext.status = "allow";
 		blockMode.readAPI.status = "allow";
 	});
+	
+	// settings passthrough
+	self.port.on("set", function(name, value){
+		settings[name] = value;
+	});
 }());
diff --git a/lib/main.js b/lib/main.js
index 318e80c..d49e21a 100644
--- a/lib/main.js
+++ b/lib/main.js
@@ -73,6 +73,16 @@
 		updateBlackList();
 	});
 	
+	// preferences for injected file
+	var preferencesForInjected = ["showCallingFile", "showCompleteCallingStack"];
+	preferencesForInjected.forEach(function(name){
+		preferences.on(name, function(){
+			workers.forEach(function(worker){
+				worker.port.emit("set", name, prefs[name]);
+			});
+		});
+	});
+	
 	function checkURL(url){
 		var url = new URL(url);
 		var mode = "block";
@@ -155,6 +165,13 @@
 			});
 			worker.port.emit("setTranslation", "askForPermission", _("askForPermission"));
 			worker.port.emit("setTranslation", "askForReadoutPermission", _("askForReadoutPermission"));
+			worker.port.emit("setTranslation", "sourceOutput", _("sourceOutput"));
+			worker.port.emit("setTranslation", "stackEntryOutput", _("stackEntryOutput"));
+			
+			preferencesForInjected.forEach(function(name){
+				worker.port.emit("set", name, prefs[name]);
+			});
+			
 			checkWorker(worker);
 		},
 	});
diff --git a/locale/de-DE.properties b/locale/de-DE.properties
index 1cf7ed2..0af4d33 100644
--- a/locale/de-DE.properties
+++ b/locale/de-DE.properties
@@ -19,8 +19,17 @@ blockMode_options.allow everything= alles erlauben
 askOnlyOnce_title= Nur einmal nachfragen
 askOnlyOnce_description= Wenn eine Seite öfters versucht, die <canvas>-API abzurufen, erscheint jedes mal eine Nachfrage. Mit diesem Schalter wird pro Seitenbesuch nur einmal nachgefragt. Bei manchen Seiten kann es trotzdem zu mehrmaligem Nachfragen kommen. 
 
+showCallingFile_title= Aufrufende Datei anzeigen
+showCallingFile_description=
+
+showCompleteCallingStack_title= Kompletten Aufrufestack anzeigen
+showCompleteCallingStack_description=
+
 allowPDFCanvas_title= <canvas> in PDFs erlauben
 allowPDFCanvas_description= Die native pdf.js verwendet <canvas> um den Inhalt von PDFs anzuzeigen. Wenn dies nicht markiert ist, werden viele Nachfragedialoge erscheinen oder die PDF Ansicht nicht funktionieren.
 
 askForPermission= Wollen Sie <canvas> erlauben?
-askForReadoutPermission= Wollen Sie das Auslesen von <canvas> erlauben?
\ No newline at end of file
+askForReadoutPermission= Wollen Sie das Auslesen von <canvas> erlauben?
+
+sourceOutput= Aufrufende Datei
+stackEntryOutput= {url} Zeile {line} Spalte {column}
\ No newline at end of file
diff --git a/locale/en-US.properties b/locale/en-US.properties
index e989787..267cdac 100644
--- a/locale/en-US.properties
+++ b/locale/en-US.properties
@@ -19,8 +19,17 @@ blockMode_options.allow everything= allow everything
 askOnlyOnce_title= Ask only once
 askOnlyOnce_description= If a page tries to access the <canvas>-API several times a confirm message will appear every time. This switch tries to make only one confirmation. Never the less on some pages there will be more.
 
+showCallingFile_title= Show calling file
+showCallingFile_description=
+
+showCompleteCallingStack_title= Display complete calling stack
+showCompleteCallingStack_description=
+
 allowPDFCanvas_title= Allow canvas in PDFs
 allowPDFCanvas_description= The native pdf.js uses <canvas> to display the PDF content. If this is unchecked there will lots of annoying ask dialogs or the PDF display will not work.
 
 askForPermission= Do you want to allow <canvas>?
-askForReadoutPermission= Do you want to allow <canvas> readout?
\ No newline at end of file
+askForReadoutPermission= Do you want to allow <canvas> readout?
+
+sourceOutput= Calling file
+stackEntryOutput= {url} line {line} column {column}
\ No newline at end of file
diff --git a/package.json b/package.json
index db6f712..5200844 100644
--- a/package.json
+++ b/package.json
@@ -62,6 +62,18 @@
 			"type": "bool",
 			"value": true
 		},
+		{
+			"name": "showCallingFile",
+			"title": "Display calling file",
+			"type": "bool",
+			"value": false
+		},
+		{
+			"name": "showCompleteCallingStack",
+			"title": "Display complete calling stack",
+			"type": "bool",
+			"value": false
+		},
 		{
 			"name": "allowPDFCanvas",
 			"title": "Allow canvas in PDFs",