accessible/src/base/Logging.h

Thu, 22 Jan 2015 13:21:57 +0100

author
Michael Schloh von Bennewitz <michael@schloh.com>
date
Thu, 22 Jan 2015 13:21:57 +0100
branch
TOR_BUG_9701
changeset 15
b8a032363ba2
permissions
-rw-r--r--

Incorporate requested changes from Mozilla in review:
https://bugzilla.mozilla.org/show_bug.cgi?id=1123480#c6

     1 /* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
     2 /* vim: set ts=2 et sw=2 tw=80: */
     3 /* This Source Code Form is subject to the terms of the Mozilla Public
     4  * License, v. 2.0. If a copy of the MPL was not distributed with this file,
     5  * You can obtain one at http://mozilla.org/MPL/2.0/. */
     7 #ifndef mozilla_a11y_logs_h__
     8 #define mozilla_a11y_logs_h__
    10 #include "nscore.h"
    11 #include "nsStringFwd.h"
    13 class nsIDocument;
    14 class nsINode;
    15 class nsIRequest;
    16 class nsISelection;
    17 class nsISupports;
    18 class nsIWebProgress;
    20 namespace mozilla {
    21 namespace a11y {
    23 class AccEvent;
    24 class Accessible;
    25 class DocAccessible;
    26 class OuterDocAccessible;
    28 namespace logging {
    30 enum EModules {
    31   eDocLoad = 1 << 0,
    32   eDocCreate = 1 << 1,
    33   eDocDestroy = 1 << 2,
    34   eDocLifeCycle = eDocLoad | eDocCreate | eDocDestroy,
    36   eEvents = 1 << 3,
    37   ePlatforms = 1 << 4,
    38   eStack = 1 << 5,
    39   eText = 1 << 6,
    40   eTree = 1 << 7,
    42   eDOMEvents = 1 << 8,
    43   eFocus = 1 << 9,
    44   eSelection = 1 << 10,
    45   eNotifications = eDOMEvents | eSelection | eFocus
    46 };
    48 /**
    49  * Return true if any of the given modules is logged.
    50  */
    51 bool IsEnabled(uint32_t aModules);
    53 /**
    54  * Return true if the given module is logged.
    55  */
    56 bool IsEnabled(const nsAString& aModules);
    58 /**
    59  * Log the document loading progress.
    60  */
    61 void DocLoad(const char* aMsg, nsIWebProgress* aWebProgress,
    62              nsIRequest* aRequest, uint32_t aStateFlags);
    63 void DocLoad(const char* aMsg, nsIDocument* aDocumentNode);
    64 void DocCompleteLoad(DocAccessible* aDocument, bool aIsLoadEventTarget);
    66 /**
    67  * Log that document load event was fired.
    68  */
    69 void DocLoadEventFired(AccEvent* aEvent);
    71 /**
    72  * Log that document laod event was handled.
    73  */
    74 void DocLoadEventHandled(AccEvent* aEvent);
    76 /**
    77  * Log the document was created.
    78  */
    79 void DocCreate(const char* aMsg, nsIDocument* aDocumentNode,
    80                DocAccessible* aDocument = nullptr);
    82 /**
    83  * Log the document was destroyed.
    84  */
    85 void DocDestroy(const char* aMsg, nsIDocument* aDocumentNode,
    86                 DocAccessible* aDocument = nullptr);
    88 /**
    89  * Log the outer document was destroyed.
    90  */
    91 void OuterDocDestroy(OuterDocAccessible* OuterDoc);
    93 /**
    94  * Log the focus notification target.
    95  */
    96 void FocusNotificationTarget(const char* aMsg, const char* aTargetDescr,
    97                              Accessible* aTarget);
    98 void FocusNotificationTarget(const char* aMsg, const char* aTargetDescr,
    99                              nsINode* aTargetNode);
   100 void FocusNotificationTarget(const char* aMsg, const char* aTargetDescr,
   101                              nsISupports* aTargetThing);
   103 /**
   104  * Log a cause of active item descendant change (submessage).
   105  */
   106 void ActiveItemChangeCausedBy(const char* aMsg, Accessible* aTarget);
   108 /**
   109  * Log the active widget (submessage).
   110  */
   111 void ActiveWidget(Accessible* aWidget);
   113 /**
   114  * Log the focus event was dispatched (submessage).
   115  */
   116 void FocusDispatched(Accessible* aTarget);
   118 /**
   119  * Log the selection change.
   120  */
   121 void SelChange(nsISelection* aSelection, DocAccessible* aDocument,
   122                int16_t aReason);
   124 /**
   125  * Log the message ('title: text' format) on new line. Print the start and end
   126  * boundaries of the message body designated by '{' and '}' (2 spaces indent for
   127  * body).
   128  */
   129 void MsgBegin(const char* aTitle, const char* aMsgText, ...);
   130 void MsgEnd();
   132 /**
   133  * Print start and end boundaries of the message body designated by '{' and '}'
   134  * (2 spaces indent for body).
   135  */
   136 void SubMsgBegin();
   137 void SubMsgEnd();
   139 /**
   140  * Log the entry into message body (4 spaces indent).
   141  */
   142 void MsgEntry(const char* aEntryText, ...);
   144 /**
   145  * Log the text, two spaces offset is used.
   146  */
   147 void Text(const char* aText);
   149 /**
   150  * Log the accessible object address as message entry (4 spaces indent).
   151  */
   152 void Address(const char* aDescr, Accessible* aAcc);
   154 /**
   155  * Log the DOM node info as message entry.
   156  */
   157 void Node(const char* aDescr, nsINode* aNode);
   159 /**
   160  * Log the document accessible info as message entry.
   161  */
   162 void Document(DocAccessible* aDocument);
   164 /**
   165  * Log the accessible and its DOM node as a message entry.
   166  */
   167 void AccessibleNNode(const char* aDescr, Accessible* aAccessible);
   168 void AccessibleNNode(const char* aDescr, nsINode* aNode);
   170 /**
   171  * Log the DOM event.
   172  */
   173 void DOMEvent(const char* aDescr, nsINode* aOrigTarget,
   174               const nsAString& aEventType);
   176 /**
   177  * Log the call stack, two spaces offset is used.
   178  */
   179 void Stack();
   181 /**
   182  * Enable logging of the specified modules, all other modules aren't logged.
   183  */
   184 void Enable(const nsAFlatCString& aModules);
   186 /**
   187  * Enable logging of modules specified by A11YLOG environment variable,
   188  * all other modules aren't logged.
   189  */
   190 void CheckEnv();
   192 } // namespace logs
   193 } // namespace a11y
   194 } // namespace mozilla
   196 #endif

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