Issue 4577 - Remove Safari support

safari/ext/popup.js

-(function()
-{
-  // Safari doesn't adjust the size of the popover automatically to the size
-  // of its content, like when the ad counter is expanded/collapsed. So we add
-  // event listeners to do so.
-  var mayResize = true;
-  var resizingScheduled = false;
-
-  var updateSize = function()
-  {
-    if (mayResize && !resizingScheduled)
-    {
-      setTimeout(function()
-      {
-        safari.self.width = document.body.scrollWidth;
-        safari.self.height = document.body.offsetHeight;
-
-        resizingScheduled = false;
-      }, 0);
-
-      resizingScheduled = true;
-    }
-  };
-
-  window.addEventListener("load", function()
-  {
-    updateSize();
-
-    var MutationObserver = window.MutationObserver || window.WebKitMutationObserver;
-    if (MutationObserver)
-    {
-      new MutationObserver(updateSize).observe(document, {
-        childList: true, attributes: true,
-        characterData: true, subtree: true
-      });
-    }
-    else
-      document.addEventListener("DOMSubtreeModified", updateSize);
-  });
-
-  // when using "white-space: nowrap", the overflown text overlaps the padding
-  // and neither clientWidth nor scrollWidth, we rely on when adjusting the size
-  // of the popover, inlcudes the overlapped area. So we have to use additional
-  // placeholders, in order to preserve padding. Since the dimensions of the
-  // popover are automatically correctly adjusted on Chrome, those placeholders
-  // would add extra empty space and therefore must only be rendered on Safari.
-  var style = document.createElement("style");
-  style.textContent = ".safari-inline-block { display: inline-block; }";
-  document.head.appendChild(style);
-
-
-  // Safari will load the popover once, and then show it everytime the icon is
-  // clicked. While Chrome loads it everytime you click the icon. So in order to
-  // make the popover show the right state and details, we have to emulate the
-  // same behavior as on Chrome, by reloading the popover every time it is shown.
-  safari.self.addEventListener("popover", function()
-  {
-    mayResize = false;
-    document.documentElement.style.display = "none";
-    window.location.reload();
-  });
-
-
-  // Safari doesn't hide popovers automatically, when we change the active tab
-  // programmatically, like when the options link is clicked. So we add an event
-  // listener to do so.
-  safari.application.addEventListener("activate", function()
-  {
-    safari.self.hide();
-  }, true);
-
-
-  // import ext into the javascript context of the popover. This code might fail,
-  // when the background page isn't ready yet. So it is important to put it below
-  // the reloading code above.
-  var backgroundPage = safari.extension.globalPage.contentWindow;
-  window.ext = Object.create(backgroundPage.ext);
-
-  ext.closePopup = function()
-  {
-    safari.self.hide();
-  };
-
-  ext.backgroundPage = {
-    getWindow: function()
-    {
-      return backgroundPage;
-    },
-
-    // On Safari, you can't send messages from the popup to the
-    // background page. So we call the message listeners directly.
-    sendMessage: function(message, responseCallback)
-    {
-      if (!responseCallback)
-        responseCallback = function () {};
-
-      backgroundPage.ext.onMessage._dispatch(message, {}, responseCallback);
-    }
-  };
-
-})();