1 : /* ***** BEGIN LICENSE BLOCK *****
2 : * Version: MPL 1.1/GPL 2.0/LGPL 2.1
3 : *
4 : * The contents of this file are subject to the Mozilla Public License Version
5 : * 1.1 (the "License"); you may not use this file except in compliance with
6 : * the License. You may obtain a copy of the License at
7 : * http://www.mozilla.org/MPL/
8 : *
9 : * Software distributed under the License is distributed on an "AS IS" basis,
10 : * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
11 : * for the specific language governing rights and limitations under the
12 : * License.
13 : *
14 : * The Original Code is Fennec Electrolysis.
15 : *
16 : * The Initial Developer of the Original Code is
17 : * The Mozilla Foundation.
18 : * Portions created by the Initial Developer are Copyright (C) 2009
19 : * the Initial Developer. All Rights Reserved.
20 : *
21 : * Contributor(s):
22 : *
23 : * Alternatively, the contents of this file may be used under the terms of
24 : * either the GNU General Public License Version 2 or later (the "GPL"), or
25 : * the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
26 : * in which case the provisions of the GPL or the LGPL are applicable instead
27 : * of those above. If you wish to allow use of your version of this file only
28 : * under the terms of either the GPL or the LGPL, and not to allow others to
29 : * use your version of this file under the terms of the MPL, indicate your
30 : * decision by deleting the provisions above and replace them with the notice
31 : * and other provisions required by the GPL or the LGPL. If you do not delete
32 : * the provisions above, a recipient may use your version of this file under
33 : * the terms of any one of the MPL, the GPL or the LGPL.
34 : *
35 : * ***** END LICENSE BLOCK ***** */
36 :
37 : #include "mozilla/ipc/DocumentRendererChild.h"
38 :
39 : #include "base/basictypes.h"
40 :
41 : #include "gfxImageSurface.h"
42 : #include "gfxPattern.h"
43 : #include "nsPIDOMWindow.h"
44 : #include "nsIDOMWindow.h"
45 : #include "nsIDOMDocument.h"
46 : #include "nsIDocShellTreeNode.h"
47 : #include "nsIDocShellTreeItem.h"
48 : #include "nsIDocument.h"
49 : #include "nsIInterfaceRequestorUtils.h"
50 : #include "nsComponentManagerUtils.h"
51 : #include "nsCSSParser.h"
52 : #include "nsPresContext.h"
53 : #include "nsCOMPtr.h"
54 : #include "nsColor.h"
55 : #include "gfxContext.h"
56 : #include "gfxImageSurface.h"
57 : #include "nsLayoutUtils.h"
58 : #include "nsContentUtils.h"
59 :
60 : using namespace mozilla::ipc;
61 :
62 0 : DocumentRendererChild::DocumentRendererChild()
63 0 : {}
64 :
65 0 : DocumentRendererChild::~DocumentRendererChild()
66 0 : {}
67 :
68 : bool
69 0 : DocumentRendererChild::RenderDocument(nsIDOMWindow *window,
70 : const nsRect& documentRect,
71 : const gfxMatrix& transform,
72 : const nsString& bgcolor,
73 : PRUint32 renderFlags,
74 : bool flushLayout,
75 : const nsIntSize& renderSize,
76 : nsCString& data)
77 : {
78 0 : if (flushLayout)
79 0 : nsContentUtils::FlushLayoutForTree(window);
80 :
81 0 : nsCOMPtr<nsPresContext> presContext;
82 0 : nsCOMPtr<nsPIDOMWindow> win = do_QueryInterface(window);
83 0 : if (win) {
84 0 : nsIDocShell* docshell = win->GetDocShell();
85 0 : if (docshell) {
86 0 : docshell->GetPresContext(getter_AddRefs(presContext));
87 : }
88 : }
89 0 : if (!presContext)
90 0 : return false;
91 :
92 : nscolor bgColor;
93 0 : nsCSSParser parser;
94 0 : nsresult rv = parser.ParseColorString(bgcolor, nsnull, 0, &bgColor);
95 0 : if (NS_FAILED(rv))
96 0 : return false;
97 :
98 0 : nsIPresShell* presShell = presContext->PresShell();
99 :
100 : // Draw directly into the output array.
101 0 : data.SetLength(renderSize.width * renderSize.height * 4);
102 :
103 : nsRefPtr<gfxImageSurface> surf =
104 0 : new gfxImageSurface(reinterpret_cast<uint8*>(data.BeginWriting()),
105 : gfxIntSize(renderSize.width, renderSize.height),
106 : 4 * renderSize.width,
107 0 : gfxASurface::ImageFormatARGB32);
108 0 : nsRefPtr<gfxContext> ctx = new gfxContext(surf);
109 0 : ctx->SetMatrix(transform);
110 :
111 0 : presShell->RenderDocument(documentRect, renderFlags, bgColor, ctx);
112 :
113 0 : return true;
114 : }
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