Add m-esr52 at 52.6.0

1 files changed, 221 insertions, 0 deletions

diff --git a/mobile/android/chrome/content/PluginHelper.js b/mobile/android/chrome/content/PluginHelper.js
new file mode 100644
index 000000000..59d87fa7c
--- /dev/null
+++ b/mobile/android/chrome/content/PluginHelper.js
@@ -0,0 +1,221 @@
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this file,
+ * You can obtain one at http://mozilla.org/MPL/2.0/. */
+"use strict";
+
+var PluginHelper = {
+  showDoorHanger: function(aTab) {
+    if (!aTab.browser)
+      return;
+
+    // Even though we may not end up showing a doorhanger, this flag
+    // lets us know that we've tried to show a doorhanger.
+    aTab.shouldShowPluginDoorhanger = false;
+
+    let uri = aTab.browser.currentURI;
+
+    // If the user has previously set a plugins permission for this website,
+    // either play or don't play the plugins instead of showing a doorhanger.
+    let permValue = Services.perms.testPermission(uri, "plugins");
+    if (permValue != Services.perms.UNKNOWN_ACTION) {
+      if (permValue == Services.perms.ALLOW_ACTION)
+        PluginHelper.playAllPlugins(aTab.browser.contentWindow);
+
+      return;
+    }
+
+    let message = Strings.browser.formatStringFromName("clickToPlayPlugins.message2",
+                                                       [uri.host], 1);
+    let buttons = [
+      {
+        label: Strings.browser.GetStringFromName("clickToPlayPlugins.dontActivate"),
+        callback: function(aChecked) {
+          // If the user checked "Don't ask again", make a permanent exception
+          if (aChecked)
+            Services.perms.add(uri, "plugins", Ci.nsIPermissionManager.DENY_ACTION);
+
+          // Other than that, do nothing
+        }
+      },
+      {
+        label: Strings.browser.GetStringFromName("clickToPlayPlugins.activate"),
+        callback: function(aChecked) {
+          // If the user checked "Don't ask again", make a permanent exception
+          if (aChecked)
+            Services.perms.add(uri, "plugins", Ci.nsIPermissionManager.ALLOW_ACTION);
+
+          PluginHelper.playAllPlugins(aTab.browser.contentWindow);
+        },
+        positive: true
+      }
+    ];
+
+    // Add a checkbox with a "Don't ask again" message if the uri contains a
+    // host. Adding a permanent exception will fail if host is not present.
+    let options = uri.host ? { checkbox: Strings.browser.GetStringFromName("clickToPlayPlugins.dontAskAgain") } : {};
+
+    NativeWindow.doorhanger.show(message, "ask-to-play-plugins", buttons, aTab.id, options);
+  },
+
+  delayAndShowDoorHanger: function(aTab) {
+    // To avoid showing the doorhanger if there are also visible plugin
+    // overlays on the page, delay showing the doorhanger to check if
+    // visible plugins get added in the near future.
+    if (!aTab.pluginDoorhangerTimeout) {
+      aTab.pluginDoorhangerTimeout = setTimeout(function() {
+        if (this.shouldShowPluginDoorhanger) {
+          PluginHelper.showDoorHanger(this);
+        }
+      }.bind(aTab), 500);
+    }
+  },
+
+  playAllPlugins: function(aContentWindow) {
+    let cwu = aContentWindow.QueryInterface(Ci.nsIInterfaceRequestor)
+                            .getInterface(Ci.nsIDOMWindowUtils);
+    // XXX not sure if we should enable plugins for the parent documents...
+    let plugins = cwu.plugins;
+    if (!plugins || !plugins.length)
+      return;
+
+    plugins.forEach(this.playPlugin);
+  },
+
+  playPlugin: function(plugin) {
+    let objLoadingContent = plugin.QueryInterface(Ci.nsIObjectLoadingContent);
+    if (!objLoadingContent.activated)
+      objLoadingContent.playPlugin();
+  },
+
+  getPluginPreference: function getPluginPreference() {
+    let pluginDisable = Services.prefs.getBoolPref("plugin.disable");
+    if (pluginDisable)
+      return "0";
+
+    let state = Services.prefs.getIntPref("plugin.default.state");
+    return state == Ci.nsIPluginTag.STATE_CLICKTOPLAY ? "2" : "1";
+  },
+
+  setPluginPreference: function setPluginPreference(aValue) {
+    switch (aValue) {
+      case "0": // Enable Plugins = No
+        Services.prefs.setBoolPref("plugin.disable", true);
+        Services.prefs.clearUserPref("plugin.default.state");
+        break;
+      case "1": // Enable Plugins = Yes
+        Services.prefs.clearUserPref("plugin.disable");
+        Services.prefs.setIntPref("plugin.default.state", Ci.nsIPluginTag.STATE_ENABLED);
+        break;
+      case "2": // Enable Plugins = Tap to Play (default)
+        Services.prefs.clearUserPref("plugin.disable");
+        Services.prefs.clearUserPref("plugin.default.state");
+        break;
+    }
+  },
+
+  // Copied from /browser/base/content/browser.js
+  isTooSmall : function (plugin, overlay) {
+    // Is the <object>'s size too small to hold what we want to show?
+    let pluginRect = plugin.getBoundingClientRect();
+    // XXX bug 446693. The text-shadow on the submitted-report text at
+    //     the bottom causes scrollHeight to be larger than it should be.
+    let overflows = (overlay.scrollWidth > pluginRect.width) ||
+                    (overlay.scrollHeight - 5 > pluginRect.height);
+
+    return overflows;
+  },
+
+  getPluginMimeType: function (plugin) {
+    var tagMimetype = plugin.actualType;
+
+    if (tagMimetype == "") {
+      tagMimetype = plugin.type;
+    }
+
+    return tagMimetype;
+  },
+
+  handlePluginBindingAttached: function (aTab, aEvent) {
+    let plugin = aEvent.target;
+    let doc = plugin.ownerDocument;
+    let overlay = doc.getAnonymousElementByAttribute(plugin, "anonid", "main");
+    if (!overlay || overlay._bindingHandled) {
+      return;
+    }
+    overlay._bindingHandled = true;
+
+    let eventType = PluginHelper._getBindingType(plugin);
+    if (!eventType) {
+      // Not all bindings have handlers
+      return;
+    }
+
+    switch  (eventType) {
+      case "PluginClickToPlay": {
+        // Check if plugins have already been activated for this page, or if
+        // the user has set a permission to always play plugins on the site
+        if (aTab.clickToPlayPluginsActivated ||
+            Services.perms.testPermission(aTab.browser.currentURI, "plugins") ==
+            Services.perms.ALLOW_ACTION) {
+          PluginHelper.playPlugin(plugin);
+          return;
+        }
+
+        // If the plugin is hidden, or if the overlay is too small, show a 
+        // doorhanger notification
+        if (PluginHelper.isTooSmall(plugin, overlay)) {
+          PluginHelper.delayAndShowDoorHanger(aTab);
+        } else {
+          // There's a large enough visible overlay that we don't need to show
+          // the doorhanger.
+          aTab.shouldShowPluginDoorhanger = false;
+          overlay.classList.add("visible");
+        }
+
+        // Add click to play listener to the overlay
+        overlay.addEventListener("click", function(e) {
+          if (!e.isTrusted)
+            return;
+          e.preventDefault();
+          let win = e.target.ownerDocument.defaultView.top;
+          let tab = BrowserApp.getTabForWindow(win);
+          tab.clickToPlayPluginsActivated = true;
+          PluginHelper.playAllPlugins(win);
+
+          NativeWindow.doorhanger.hide("ask-to-play-plugins", tab.id);
+        }, true);
+
+        // Add handlers for over- and underflow in case the plugin gets resized
+        plugin.addEventListener("overflow", function(event) {
+          overlay.classList.remove("visible");
+          PluginHelper.delayAndShowDoorHanger(aTab);
+        });
+        plugin.addEventListener("underflow", function(event) {
+          // This is also triggered if only one dimension underflows,
+          // the other dimension might still overflow
+          if (!PluginHelper.isTooSmall(plugin, overlay)) {
+            overlay.classList.add("visible");
+          }
+        });
+
+        break;
+      }
+    }
+  },
+
+  // Helper to get the binding handler type from a plugin object
+  _getBindingType: function(plugin) {
+    if (!(plugin instanceof Ci.nsIObjectLoadingContent))
+      return null;
+
+    switch (plugin.pluginFallbackType) {
+      case Ci.nsIObjectLoadingContent.PLUGIN_UNSUPPORTED:
+        return "PluginNotFound";
+      case Ci.nsIObjectLoadingContent.PLUGIN_CLICK_TO_PLAY:
+        return "PluginClickToPlay";
+      default:
+        // Not all states map to a handler
+        return null;
+    }
+  }
+};