layout/tools/layout-debug/src/nsLayoutDebugCLH.cpp

Wed, 31 Dec 2014 06:55:50 +0100

author
Michael Schloh von Bennewitz <michael@schloh.com>
date
Wed, 31 Dec 2014 06:55:50 +0100
changeset 2
7e26c7da4463
permissions
-rw-r--r--

Added tag UPSTREAM_283F7C6 for changeset ca08bd8f51b2

     1 /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
     2 // vim:cindent:tabstop=4:expandtab:shiftwidth=4:
     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
     5  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
     7 #include "nsLayoutDebugCLH.h"
     8 #include "nsString.h"
     9 #include "plstr.h"
    10 #include "nsCOMPtr.h"
    11 #include "nsIWindowWatcher.h"
    12 #include "nsIServiceManager.h"
    13 #include "nsIDOMWindow.h"
    14 #include "nsISupportsArray.h"
    15 #include "nsISupportsPrimitives.h"
    16 #include "nsICommandLine.h"
    18 nsLayoutDebugCLH::nsLayoutDebugCLH()
    19 {
    20 }
    22 nsLayoutDebugCLH::~nsLayoutDebugCLH()
    23 {
    24 }
    26 NS_IMPL_ISUPPORTS(nsLayoutDebugCLH, ICOMMANDLINEHANDLER)
    28 NS_IMETHODIMP
    29 nsLayoutDebugCLH::Handle(nsICommandLine* aCmdLine)
    30 {
    31     nsresult rv;
    33     int32_t idx;
    34     rv = aCmdLine->FindFlag(NS_LITERAL_STRING("layoutdebug"), false, &idx);
    35     NS_ENSURE_SUCCESS(rv, rv);
    36     if (idx < 0)
    37       return NS_OK;
    39     int32_t length;
    40     aCmdLine->GetLength(&length);
    42     nsAutoString url;
    43     if (idx + 1 < length) {
    44         rv = aCmdLine->GetArgument(idx + 1, url);
    45         NS_ENSURE_SUCCESS(rv, rv);
    46         if (!url.IsEmpty() && url.CharAt(0) == '-')
    47             url.Truncate();
    48     }
    50     aCmdLine->RemoveArguments(idx, idx + !url.IsEmpty());
    52     nsCOMPtr<nsISupportsArray> argsArray =
    53         do_CreateInstance(NS_SUPPORTSARRAY_CONTRACTID, &rv);
    54     NS_ENSURE_SUCCESS(rv, rv);
    56     if (!url.IsEmpty())
    57     {
    58         nsCOMPtr<nsISupportsString> scriptableURL =
    59             do_CreateInstance(NS_SUPPORTS_STRING_CONTRACTID);
    60         NS_ENSURE_TRUE(scriptableURL, NS_ERROR_FAILURE);
    62         scriptableURL->SetData(url);
    63         argsArray->AppendElement(scriptableURL);
    64     }
    66     nsCOMPtr<nsIWindowWatcher> wwatch =
    67         do_GetService(NS_WINDOWWATCHER_CONTRACTID);
    68     NS_ENSURE_TRUE(wwatch, NS_ERROR_FAILURE);
    70     nsCOMPtr<nsIDOMWindow> opened;
    71     wwatch->OpenWindow(nullptr, "chrome://layoutdebug/content/",
    72                        "_blank", "chrome,dialog=no,all", argsArray,
    73                        getter_AddRefs(opened));
    74     aCmdLine->SetPreventDefault(true);
    75     return NS_OK;
    76 }
    78 NS_IMETHODIMP
    79 nsLayoutDebugCLH::GetHelpInfo(nsACString& aResult)
    80 {
    81     aResult.Assign(NS_LITERAL_CSTRING("  -layoutdebug [<url>] Start with Layout Debugger\n"));
    82     return NS_OK;
    83 }

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