The Tor Browser / annotate

embedding/browser/webBrowser/nsCommandHandler.cpp@129ffea94266 (annotated)

embedding/browser/webBrowser/nsCommandHandler.cpp

Sat, 03 Jan 2015 20:18:00 +0100

author
Michael Schloh von Bennewitz <michael@schloh.com>
date
Sat, 03 Jan 2015 20:18:00 +0100
branch
TOR_BUG_3246
changeset 7
129ffea94266
permissions
-rw-r--r--

Conditionally enable double key logic according to:
private browsing mode or privacy.thirdparty.isolate preference and
implement in GetCookieStringCommon and FindCookie where it counts...
With some reservations of how to convince FindCookie users to test
condition and pass a nullptr when disabling double key logic.

michael@0 1 /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*-
michael@0 2 *
michael@0 3 * This Source Code Form is subject to the terms of the Mozilla Public
michael@0 4 * License, v. 2.0. If a copy of the MPL was not distributed with this
michael@0 5 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
michael@0 6
michael@0 7 #include "nsCommandHandler.h"
michael@0 8 #include "nsWebBrowser.h"
michael@0 9 #include "nsDocShellTreeOwner.h"
michael@0 10
michael@0 11 #include "nsMemory.h"
michael@0 12 #include "nsPIDOMWindow.h"
michael@0 13
michael@0 14 nsCommandHandler::nsCommandHandler() :
michael@0 15 mWindow(nullptr)
michael@0 16 {
michael@0 17 }
michael@0 18
michael@0 19 nsCommandHandler::~nsCommandHandler()
michael@0 20 {
michael@0 21 }
michael@0 22
michael@0 23 nsresult nsCommandHandler::GetCommandHandler(nsICommandHandler **aCommandHandler)
michael@0 24 {
michael@0 25 NS_ENSURE_ARG_POINTER(aCommandHandler);
michael@0 26
michael@0 27 *aCommandHandler = nullptr;
michael@0 28 if (mWindow == nullptr)
michael@0 29 {
michael@0 30 return NS_ERROR_FAILURE;
michael@0 31 }
michael@0 32
michael@0 33 nsCOMPtr<nsPIDOMWindow> window(do_QueryInterface(mWindow));
michael@0 34 if (!window)
michael@0 35 {
michael@0 36 return NS_ERROR_FAILURE;
michael@0 37 }
michael@0 38
michael@0 39 // Get the document tree owner
michael@0 40
michael@0 41 nsCOMPtr<nsIDocShellTreeItem> docShellAsTreeItem =
michael@0 42 do_QueryInterface(window->GetDocShell());
michael@0 43 nsIDocShellTreeOwner *treeOwner = nullptr;
michael@0 44 docShellAsTreeItem->GetTreeOwner(&treeOwner);
michael@0 45
michael@0 46 // Make sure the tree owner is an an nsDocShellTreeOwner object
michael@0 47 // by QI'ing for a hidden interface. If it doesn't have the interface
michael@0 48 // then it's not safe to do the casting.
michael@0 49
michael@0 50 nsCOMPtr<nsICDocShellTreeOwner> realTreeOwner(do_QueryInterface(treeOwner));
michael@0 51 if (realTreeOwner)
michael@0 52 {
michael@0 53 nsDocShellTreeOwner *tree = static_cast<nsDocShellTreeOwner *>(treeOwner);
michael@0 54 if (tree->mTreeOwner)
michael@0 55 {
michael@0 56 nsresult rv;
michael@0 57 rv = tree->mTreeOwner->QueryInterface(NS_GET_IID(nsICommandHandler), (void **)aCommandHandler);
michael@0 58 NS_RELEASE(treeOwner);
michael@0 59 return rv;
michael@0 60 }
michael@0 61
michael@0 62 NS_RELEASE(treeOwner);
michael@0 63 }
michael@0 64
michael@0 65 *aCommandHandler = nullptr;
michael@0 66
michael@0 67 return NS_OK;
michael@0 68 }
michael@0 69
michael@0 70
michael@0 71 NS_IMPL_ADDREF(nsCommandHandler)
michael@0 72 NS_IMPL_RELEASE(nsCommandHandler)
michael@0 73
michael@0 74 NS_INTERFACE_MAP_BEGIN(nsCommandHandler)
michael@0 75 NS_INTERFACE_MAP_ENTRY_AMBIGUOUS(nsISupports, nsICommandHandler)
michael@0 76 NS_INTERFACE_MAP_ENTRY(nsICommandHandlerInit)
michael@0 77 NS_INTERFACE_MAP_ENTRY(nsICommandHandler)
michael@0 78 NS_INTERFACE_MAP_END
michael@0 79
michael@0 80 ///////////////////////////////////////////////////////////////////////////////
michael@0 81 // nsICommandHandlerInit implementation
michael@0 82
michael@0 83 /* attribute nsIDocShell docShell; */
michael@0 84 NS_IMETHODIMP nsCommandHandler::GetWindow(nsIDOMWindow * *aWindow)
michael@0 85 {
michael@0 86 *aWindow = nullptr;
michael@0 87 return NS_OK;
michael@0 88 }
michael@0 89
michael@0 90 NS_IMETHODIMP nsCommandHandler::SetWindow(nsIDOMWindow * aWindow)
michael@0 91 {
michael@0 92 if (aWindow == nullptr)
michael@0 93 {
michael@0 94 return NS_ERROR_FAILURE;
michael@0 95 }
michael@0 96 mWindow = aWindow;
michael@0 97 return NS_OK;
michael@0 98 }
michael@0 99
michael@0 100 ///////////////////////////////////////////////////////////////////////////////
michael@0 101 // nsICommandHandler implementation
michael@0 102
michael@0 103 /* string exec (in string aCommand, in string aStatus); */
michael@0 104 NS_IMETHODIMP nsCommandHandler::Exec(const char *aCommand, const char *aStatus, char **aResult)
michael@0 105 {
michael@0 106 NS_ENSURE_ARG_POINTER(aCommand);
michael@0 107 NS_ENSURE_ARG_POINTER(aResult);
michael@0 108
michael@0 109 nsCOMPtr<nsICommandHandler> commandHandler;
michael@0 110 GetCommandHandler(getter_AddRefs(commandHandler));
michael@0 111
michael@0 112 // Call the client's command handler to deal with this command
michael@0 113 if (commandHandler)
michael@0 114 {
michael@0 115 *aResult = nullptr;
michael@0 116 return commandHandler->Exec(aCommand, aStatus, aResult);
michael@0 117 }
michael@0 118
michael@0 119 // Return an empty string
michael@0 120 const char szEmpty[] = "";
michael@0 121 *aResult = (char *) nsMemory::Clone(szEmpty, sizeof(szEmpty));
michael@0 122
michael@0 123 return NS_OK;
michael@0 124 }
michael@0 125
michael@0 126 /* string query (in string aCommand, in string aStatus); */
michael@0 127 NS_IMETHODIMP nsCommandHandler::Query(const char *aCommand, const char *aStatus, char **aResult)
michael@0 128 {
michael@0 129 NS_ENSURE_ARG_POINTER(aCommand);
michael@0 130 NS_ENSURE_ARG_POINTER(aResult);
michael@0 131
michael@0 132 nsCOMPtr<nsICommandHandler> commandHandler;
michael@0 133 GetCommandHandler(getter_AddRefs(commandHandler));
michael@0 134
michael@0 135 // Call the client's command handler to deal with this command
michael@0 136 if (commandHandler)
michael@0 137 {
michael@0 138 *aResult = nullptr;
michael@0 139 return commandHandler->Query(aCommand, aStatus, aResult);
michael@0 140 }
michael@0 141
michael@0 142 // Return an empty string
michael@0 143 const char szEmpty[] = "";
michael@0 144 *aResult = (char *) nsMemory::Clone(szEmpty, sizeof(szEmpty));
michael@0 145
michael@0 146 return NS_OK;
michael@0 147 }

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