commit 105b155787944799a38ad2c48f0bd015b1fa032e Author: Arthur Edelstein arthuredelstein@gmail.com 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"];