Add m-esr52 at 52.6.0

1 files changed, 150 insertions, 0 deletions

diff --git a/browser/extensions/pdfjs/content/PdfjsContentUtils.jsm b/browser/extensions/pdfjs/content/PdfjsContentUtils.jsm
new file mode 100644
index 000000000..3dec5f389
--- /dev/null
+++ b/browser/extensions/pdfjs/content/PdfjsContentUtils.jsm
@@ -0,0 +1,150 @@
+/* Copyright 2012 Mozilla Foundation
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+/* jshint esnext:true */
+/* globals Components, Services, XPCOMUtils */
+
+'use strict';
+
+var EXPORTED_SYMBOLS = ['PdfjsContentUtils'];
+
+const Cc = Components.classes;
+const Ci = Components.interfaces;
+const Cr = Components.results;
+const Cu = Components.utils;
+
+Cu.import('resource://gre/modules/XPCOMUtils.jsm');
+Cu.import('resource://gre/modules/Services.jsm');
+
+var PdfjsContentUtils = {
+  _mm: null,
+
+  /*
+   * Public API
+   */
+
+  get isRemote() {
+    return (Services.appinfo.processType ===
+            Services.appinfo.PROCESS_TYPE_CONTENT);
+  },
+
+  init: function () {
+    // child *process* mm, or when loaded into the parent for in-content
+    // support the psuedo child process mm 'child PPMM'.
+    if (!this._mm) {
+      this._mm = Cc['@mozilla.org/childprocessmessagemanager;1'].
+        getService(Ci.nsISyncMessageSender);
+      this._mm.addMessageListener('PDFJS:Child:refreshSettings', this);
+      Services.obs.addObserver(this, 'quit-application', false);
+    }
+  },
+
+  uninit: function () {
+    if (this._mm) {
+      this._mm.removeMessageListener('PDFJS:Child:refreshSettings', this);
+      Services.obs.removeObserver(this, 'quit-application');
+    }
+    this._mm = null;
+  },
+
+  /*
+   * prefs utilities - the child does not have write access to prefs.
+   * note, the pref names here are cross-checked against a list of
+   * approved pdfjs prefs in chrome utils.
+   */
+
+  clearUserPref: function (aPrefName) {
+    this._mm.sendSyncMessage('PDFJS:Parent:clearUserPref', {
+      name: aPrefName
+    });
+  },
+
+  setIntPref: function (aPrefName, aPrefValue) {
+    this._mm.sendSyncMessage('PDFJS:Parent:setIntPref', {
+      name: aPrefName,
+      value: aPrefValue
+    });
+  },
+
+  setBoolPref: function (aPrefName, aPrefValue) {
+    this._mm.sendSyncMessage('PDFJS:Parent:setBoolPref', {
+      name: aPrefName,
+      value: aPrefValue
+    });
+  },
+
+  setCharPref: function (aPrefName, aPrefValue) {
+    this._mm.sendSyncMessage('PDFJS:Parent:setCharPref', {
+      name: aPrefName,
+      value: aPrefValue
+    });
+  },
+
+  setStringPref: function (aPrefName, aPrefValue) {
+    this._mm.sendSyncMessage('PDFJS:Parent:setStringPref', {
+      name: aPrefName,
+      value: aPrefValue
+    });
+  },
+
+  /*
+   * Forwards default app query to the parent where we check various
+   * handler app settings only available in the parent process.
+   */
+  isDefaultHandlerApp: function () {
+    return this._mm.sendSyncMessage('PDFJS:Parent:isDefaultHandlerApp')[0];
+  },
+
+  /*
+   * Request the display of a notification warning in the associated window
+   * when the renderer isn't sure a pdf displayed correctly.
+   */
+  displayWarning: function (aWindow, aMessage, aLabel, accessKey) {
+    // the child's dom frame mm associated with the window.
+    let winmm = aWindow.QueryInterface(Ci.nsIInterfaceRequestor)
+                       .getInterface(Ci.nsIDocShell)
+                       .QueryInterface(Ci.nsIInterfaceRequestor)
+                       .getInterface(Ci.nsIContentFrameMessageManager);
+    winmm.sendAsyncMessage('PDFJS:Parent:displayWarning', {
+      message: aMessage,
+      label: aLabel,
+      accessKey: accessKey
+    });
+  },
+
+  /*
+   * Events
+   */
+
+  observe: function(aSubject, aTopic, aData) {
+    if (aTopic === 'quit-application') {
+      this.uninit();
+    }
+  },
+
+  receiveMessage: function (aMsg) {
+    switch (aMsg.name) {
+      case 'PDFJS:Child:refreshSettings':
+        // Only react to this if we are remote.
+        if (Services.appinfo.processType ===
+            Services.appinfo.PROCESS_TYPE_CONTENT) {
+          let jsm = 'resource://pdf.js/PdfJs.jsm';
+          let pdfjs = Components.utils.import(jsm, {}).PdfJs;
+          pdfjs.updateRegistration();
+        }
+        break;
+    }
+  }
+};
+