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[tor-commits] [torbutton/master] Bug 21999: Fix display of language prompt for TBB/ESR52
commit 90c35ef999de8b9ee09876f5772a2a728d2bafc1
Author: Arthur Edelstein <arthuredelstein@xxxxxxxxx>
Date: Fri Jun 16 00:24:29 2017 -0700
Bug 21999: Fix display of language prompt for TBB/ESR52
---
src/chrome/content/torbutton.js | 116 ++++++++++++++++++----------------------
1 file changed, 52 insertions(+), 64 deletions(-)
diff --git a/src/chrome/content/torbutton.js b/src/chrome/content/torbutton.js
index 3999bd4..b14585b 100644
--- a/src/chrome/content/torbutton.js
+++ b/src/chrome/content/torbutton.js
@@ -12,7 +12,7 @@ let { Services } = Cu.import("resource://gre/modules/Services.jsm", {});
let { showDialog } = Cu.import("resource://torbutton/modules/utils.js", {});
let { unescapeTorString } = Cu.import("resource://torbutton/modules/utils.js", {});
let SecurityPrefs = Cu.import("resource://torbutton/modules/security-prefs.js", {});
-let { bindPrefAndInit } = Cu.import("resource://torbutton/modules/utils.js", {});
+let { bindPrefAndInit, observe } = Cu.import("resource://torbutton/modules/utils.js", {});
const k_tb_last_browser_version_pref = "extensions.torbutton.lastBrowserVersion";
const k_tb_browser_update_needed_pref = "extensions.torbutton.updateNeeded";
@@ -1997,6 +1997,8 @@ function torbutton_is_windowed(wind) {
return true;
}
+let stopLanguagePromptObserver;
+
// Bug 1506 P3: This is needed pretty much only for the version check
// and the window resizing. See comments for individual functions for
// details
@@ -2031,11 +2033,12 @@ function torbutton_new_window(event)
}
// If the default language is not English and we have not already asked,
- // add a web progress listener that will show a "request English language
- // web pages?" prompt the first time an http or https page is opened.
+ // add an http-on-modify-request observer that will show a "request English
+ // language web pages?" prompt the first time a content http or https page
+ // is opened.
if (torbutton_should_prompt_for_language_preference()) {
- progress.addProgressListener(torbutton_langPromptListener,
- Ci.nsIWebProgress.NOTIFY_STATE_DOCUMENT);
+ stopLanguagePromptObserver = observe("http-on-modify-request",
+ torbutton_http_connection_observed);
}
// Check the version on every new window. We're already pinging check in these cases.
@@ -2210,68 +2213,53 @@ var torbutton_resizelistener =
onSecurityChange: function() {}
};
-var torbutton_langPromptListener =
-{
- QueryInterface: function(aIID)
- {
- if (aIID.equals(Ci.nsIWebProgressListener) ||
- aIID.equals(Ci.nsISupportsWeakReference) ||
- aIID.equals(Ci.nsISupports))
- return this;
- throw Cr.NS_NOINTERFACE;
- },
-
- onLocationChange: function(aProgress, aRequest, aURI) {},
+function torbutton_http_connection_observed(aRequest, aData) {
+ // If we are loading an HTTP page from content, show the
+ // "request English language web pages?" prompt.
+ try {
+ let httpChannel = aRequest.QueryInterface(Ci.nsIHttpChannel);
+ if (!aRequest.URI.schemeIs("http") && !aRequest.URI.schemeIs("https")) {
+ return;
+ }
+ if (!httpChannel) return;
+ let notificationCallbacks = httpChannel.notificationCallbacks;
+ if (!notificationCallbacks) return;
+ let loadContext = notificationCallbacks.getInterface(Ci.nsILoadContext);
+ if (!loadContext) return;
+ if (!loadContext.isContent) return;
+ // The above QI did not throw, the scheme is http[s], and we know the
+ // load context is content, so we must have a true HTTP request from content.
+ // Stop the observer and display the prompt if another window has
+ // not already done so.
+ stopLanguagePromptObserver();
- onStateChange: function(aProgress, aRequest, aFlag, aStatus) {
- if (aFlag & Ci.nsIWebProgressListener.STATE_START) {
- // If we are loading an HTTP page, show the
- // "request English language web pages?" prompt.
- try {
- let httpChannel = aRequest.QueryInterface(Ci.nsIHttpChannel);
-
- // The above QI did not throw, so we must have an HTTP request.
- // Remove this listener and display the prompt if another window has
- // not already done so.
- let progress = Cc["@mozilla.org/docloaderservice;1"]
- .getService(Ci.nsIWebProgress);
- progress.removeProgressListener(torbutton_langPromptListener,
- Ci.nsIWebProgress.NOTIFY_STATE_DOCUMENT);
-
- if (torbutton_should_prompt_for_language_preference()) {
- if (torbutton_is_homepage_url(aRequest.URI)) {
- // If the homepage is being loaded, display the prompt after a
- // delay to avoid a problem where a blank prompt is displayed.
- // In this case, the homepage will be loaded using the current
- // spoof English setting, which is OK.
- setTimeout(function() {
- if (torbutton_should_prompt_for_language_preference())
- torbutton_prompt_for_language_preference();
- }, 2000);
- } else {
- // No delay is needed. Display the prompt and fix up the
- // Accept-Language header before allowing the load to continue.
+ if (torbutton_should_prompt_for_language_preference()) {
+ if (torbutton_is_homepage_url(aRequest.URI)) {
+ // If the homepage is being loaded, display the prompt after a
+ // delay to avoid a problem where a blank prompt is displayed.
+ // In this case, the homepage will be loaded using the current
+ // spoof English setting, which is OK.
+ setTimeout(function() {
+ if (torbutton_should_prompt_for_language_preference())
torbutton_prompt_for_language_preference();
-
- // The Accept-Language header for this request was set when the
- // channel was created. Reset it to match the value that will be
- // used for future requests.
- let val = torbutton_get_current_accept_language_value(aRequest.URI);
- if (val)
- httpChannel.setRequestHeader("Accept-Language", val, false);
- }
- }
- } catch (e) {}
+ }, 2000);
+ } else {
+ // No delay is needed. Display the prompt and fix up the
+ // Accept-Language header before allowing the load to continue.
+ torbutton_prompt_for_language_preference();
+
+ // The Accept-Language header for this request was set when the
+ // channel was created. Reset it to match the value that will be
+ // used for future requests.
+ let val = torbutton_get_current_accept_language_value(aRequest.URI);
+ if (val)
+ httpChannel.setRequestHeader("Accept-Language", val, false);
+ }
}
- },
-
- onProgressChange: function(aProgress, aRequest, curSelfProgress,
- maxSelfProgress, curTotalProgress,
- maxTotalProgress) {},
- onStatusChange: function(aProgress, aRequest, stat, message) {},
- onSecurityChange: function() {}
-};
-
+ } catch (e) {
+ torbutton_log(3, e.message);
+ }
+}
// aURI should be an http or https nsIURI object.
function torbutton_get_current_accept_language_value(aURI)
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