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[tor-commits] [torbutton/master] Bug 19459: Remove code that sizes new windows (moved to tor-browser.git)
commit 105b155787944799a38ad2c48f0bd015b1fa032e
Author: Arthur Edelstein <arthuredelstein@xxxxxxxxx>
Date: Wed Aug 31 21:09:05 2016 -0700
Bug 19459: Remove code that sizes new windows (moved to tor-browser.git)
---
src/chrome/content/content-sizer.js | 8 +-
src/chrome/content/torbutton.js | 158 +-------------------------------
src/defaults/preferences/preferences.js | 1 -
src/modules/utils.js | 20 +++-
4 files changed, 31 insertions(+), 156 deletions(-)
diff --git a/src/chrome/content/content-sizer.js b/src/chrome/content/content-sizer.js
index e627c3c..ded06d7 100644
--- a/src/chrome/content/content-sizer.js
+++ b/src/chrome/content/content-sizer.js
@@ -501,7 +501,13 @@ let quantizeBrowserSizeMain = function (window, xStep, yStep) {
window.addEventListener("unload", unbind, true);
};
-quantizeBrowserSizeMain(window, xStep, yStep);
+// Only start quantizing once the window has become visible.
+var stopObserving = observe("xul-window-visible", function () {
+ if (Services.wm.getMostRecentWindow("navigator:browser") === window) {
+ quantizeBrowserSizeMain(window, xStep, yStep);
+ stopObserving();
+ }
+});
// end of quantizeBrowserSize definition
};
diff --git a/src/chrome/content/torbutton.js b/src/chrome/content/torbutton.js
index 60f12d6..53e5479 100644
--- a/src/chrome/content/torbutton.js
+++ b/src/chrome/content/torbutton.js
@@ -17,8 +17,6 @@ const k_tb_last_browser_version_pref = "extensions.torbutton.lastBrowserVersion"
const k_tb_browser_update_needed_pref = "extensions.torbutton.updateNeeded";
const k_tb_last_update_check_pref = "extensions.torbutton.lastUpdateCheck";
const k_tb_tor_check_failed_topic = "Torbutton:TorCheckFailed";
-const k_tb_tor_resize_warn_pref =
- "extensions.torbutton.startup_resize_period"
var m_tb_prefs = Services.prefs;
@@ -399,6 +397,8 @@ function torbutton_init() {
m_tb_control_port, m_tb_control_pass,
"extensions.torbutton.display_circuit");
+ quantizeBrowserSize(window, 100, 100);
+
torbutton_log(3, 'init completed');
}
@@ -2210,105 +2210,13 @@ var torbutton_resizelistener =
var progress =
Components.classes["@mozilla.org/docloaderservice;1"].
getService(Components.interfaces.nsIWebProgress);
- var win = getBrowser().contentWindow,
- container = getBrowser().parentElement;
+ var win = getBrowser().contentWindow;
if (!win || typeof(win) == "undefined") {
torbutton_log(5, "No initial browser content window?");
progress.removeProgressListener(this);
return;
}
- // We need to set the inner width to an initial value because it has none
- // at this point... Choosing "300" as this works even on Windows
- // reliably.
- win.innerWidth = 300;
- win.innerHeight = 300;
-
- var screenMan = Components.classes["@mozilla.org/gfx/screenmanager;1"].
- getService(Components.interfaces.nsIScreenManager);
- var junk = {}, availWidth = {}, availHeight = {};
- screenMan.primaryScreen.GetAvailRect(junk, junk, availWidth, availHeight);
-
- torbutton_log(3, "About to resize window: " +
- window.outerWidth + "x" + window.outerHeight +
- " inner: " + win.innerWidth + "x" + win.innerHeight +
- " in state " + window.windowState +
- " Available: " + availWidth.value + "x" +
- availHeight.value);
-
- var diff_width = window.outerWidth - win.innerWidth;
- var diff_height = window.outerHeight - win.innerHeight;
- var delta_fix = 0;
-
- // The following block tries to cope with funny corner cases where the
- // title bar is not included in window.outerHeight. What could happen in
- // this case? Well, assume the difference between window.outerHeight and
- // win.innerHeight is 39. And lets further assume the available height is
- // 725x539. If we resize the window in this case we get 600x500 for the
- // inner window. And the outer window has a height of 539 *plus* the
- // height of the titlebar (as it occupies some screen space at least
- // after resizing) which probably leads to parts of the browser being not
- // visible.
- if (window.outerHeight == window.innerHeight) {
- // XXX: Let's assume a reasonable safety margin.
- // |delta_fix = Math.floor(window.mozInnerScreenY) - window.screenY;|
- // is not working at this stage of the browser start-up. Although it
- // would give us slightly better values. But calling it later makes
- // the resizing visible even on fast computers which is bad for UX.
- delta_fix = Math.floor(diff_height / 2);
- }
-
- // Check the DPI value and take it into acctount later when calculating
- // the max* values.
- var dpi = m_tb_domWindowUtils.screenPixelsPerCSSPixel;
-
- // We can't use screen resolution here as it does not account for e.g.
- // taskbars. We can't use window.screen.avail* either as it does not
- // report correct values on some platforms when used at this stage in the
- // startup process. Therefore, we resort to nsIScreenManager.
- // XXX: Note though, there are probably still some OS/window manager
- // configurations where this approach is not working. E.g. on a Debian
- // with XFCE the available height is the same as the screen height.
- // This is said to happen as well on Windows with Aero:
- // https://stackoverflow.com/questions/3044230/
- // difference-between-screen-availheight-and-window-height
- var maxHeight = Math.floor(availHeight.value / dpi) -
- (diff_height + delta_fix);
- var maxWidth = Math.floor(availWidth.value / dpi) - diff_width ;
-
- var width;
- var height;
-
- // Allow the user to overwrite the Torbutton logic in case it is still
- // wrong when resizing the window.
- try {
- width = m_tb_prefs.getIntPref("extensions.torbutton.window.innerWidth");
- } catch(e) {
- let cappedWidth = m_tb_prefs.getIntPref("extensions.torbutton.window.maxWidth");
- if (maxWidth > cappedWidth) {
- maxWidth = cappedWidth;
- }
- width = Math.floor(maxWidth/200.0)*200;
- }
-
- try {
- height = m_tb_prefs.getIntPref("extensions.torbutton.window.innerHeight");
- } catch(e) {
- let cappedHeight = m_tb_prefs.getIntPref("extensions.torbutton.window.maxHeight");
- if (maxHeight > cappedHeight) {
- maxHeight = cappedHeight;
- }
- height = Math.floor(maxHeight/100.0)*100;
- }
-
- let resizeInnerWindowTo = function (width, height) {
- window.resizeBy(width - win.innerWidth,
- height - win.innerHeight);
- torbutton_log(3, "Resized new window from: " + container.clientWidth + "x" +
- container.clientHeight + " to " + width + "x" + height +
- " in state " + window.windowState);
- }
-
m_tb_resize_handler = function() {
if (window.windowState === 1) {
if (m_tb_prefs.
@@ -2361,25 +2269,8 @@ var torbutton_resizelistener =
priority, buttons);
return;
}
- // This is for some weird OS-specific behavior on start-up where,
- // depending on the available screen size, the OS thinks it has to
- // maximize the window. We don't want to do that AND don't want to
- // show the user our notification in this case.
- if (m_tb_prefs.
- getBoolPref(k_tb_tor_resize_warn_pref)) {
- window.addEventListener("resize",
- function() {
- resizeInnerWindowTo(width, height);
- var calling_function = arguments.callee;
- setTimeout(function() {
- torbutton_log(3, "Removing resize listener..");
- window.removeEventListener("resize",
- calling_function, false);
- }, 1000);
- }, false);
- }
}
- };
+ }; // m_tb_resize_handler
// We need to handle OSes that auto-maximize windows depending on user
// settings and/or screen resolution in the start-up phase and users that
@@ -2401,50 +2292,11 @@ var torbutton_resizelistener =
// the window triggers more than one resize event the first being not the
// one we need. Thus we can't remove the listener after the first resize
// event got fired. Thus, we have the rather klunky setTimeout() call.
- m_tb_prefs.setBoolPref(k_tb_tor_resize_warn_pref, true);
window.addEventListener("sizemodechange", m_tb_resize_handler, false);
- // This is fun. any attempt to directly set the inner window actually
- // resizes the outer width to that value instead. Must use resizeBy()
- // instead of assignment or resizeTo()
- resizeInnerWindowTo(width, height);
-
- // Resizing within this progress listener does not always work as overlays
- // of other extensions might still influence the height/width of the
- // chrome and therefore the height/width of the content window. Doing a
- // fallback resize with setTimeout(0) from this progess listener does not
- // work on some machines (probably due to race conditions which are all
- // over the place). Thus we need a point later in the start-up process
- // where we can do this... Please welcome the mutation observer.
- let mut_target = document.getElementById("main-window");
- let mut_observer = new MutationObserver(
- function(mutations) {
- mutations.forEach(
- function(mutation) {
- setTimeout(function() {
- resizeInnerWindowTo(width, height);
- quantizeBrowserSize(window, 100, 100);
- // OS-specific window maximization on start-up should
- // be done by now. Disable the respective preference
- // to make sure the user is seeing our notification.
- m_tb_prefs.setBoolPref(k_tb_tor_resize_warn_pref,
- false);
- }, 0);
- mut_observer.disconnect();
- }
- );
- }
- );
- // Configuration of the observer. Looking at added nodes is enough as
- // DevTools related code is manipulating the DOM which we can capture.
- // From that on we can start our fallback resizing.
- let mut_config = { attributes: false, childList: true,
- characterData: false };
- mut_observer.observe(mut_target, mut_config);
-
progress.removeProgressListener(this);
}
- },
+ }, // onStateChange
onProgressChange: function(aProgress, aRequest, curSelfProgress,
maxSelfProgress, curTotalProgress,
diff --git a/src/defaults/preferences/preferences.js b/src/defaults/preferences/preferences.js
index 3284bde..ec2cdbc 100644
--- a/src/defaults/preferences/preferences.js
+++ b/src/defaults/preferences/preferences.js
@@ -26,7 +26,6 @@ pref("extensions.torbutton.prompted_language",false);
// See #7255 for details. We display the warning three times to make sure the
// user did not click on it by accident.
pref("extensions.torbutton.maximize_warnings_remaining", 0);
-pref("extensions.torbutton.startup_resize_period", true);
// Security prefs:
pref("extensions.torbutton.cookie_protections",true);
diff --git a/src/modules/utils.js b/src/modules/utils.js
index 507f008..fa4405e 100644
--- a/src/modules/utils.js
+++ b/src/modules/utils.js
@@ -48,6 +48,24 @@ var bindPref = function (prefName, prefHandler, init = false) {
var bindPrefAndInit = (prefName, prefHandler) =>
bindPref(prefName, prefHandler, true);
+// ## Observers
+
+// __observe(topic, callback)__.
+// Observe the given topic. When notification of that topic
+// occurs, calls callback(subject, data). Returns a zero-arg
+// function that stops observing.
+var observe = function (topic, callback) {
+ let observer = {
+ observe: function (aSubject, aTopic, aData) {
+ if (topic === aTopic) {
+ callback(aSubject, aData);
+ }
+ },
+ };
+ Services.obs.addObserver(observer, topic, false);
+ return () => Services.obs.removeObserver(observer, topic);
+};
+
// ## Environment variables
// __env__.
@@ -183,4 +201,4 @@ var unescapeTorString = function(str) {
// Export utility functions for external use.
let EXPORTED_SYMBOLS = ["bindPref", "bindPrefAndInit", "getEnv", "getPrefValue",
- "showDialog", "unescapeTorString"];
+ "observe", "showDialog", "unescapeTorString"];
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