The Tor Browser / file comparison
comparison: layout/printing/nsPrintObject.cpp
layout/printing/nsPrintObject.cpp
- branch
- TOR_BUG_9701
- changeset 8
- 97036ab72558
equal
deleted
inserted
replaced
| -1:000000000000 | 0:c3528a142584 |
|---|---|
| 1 /* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */ | |
| 2 /* This Source Code Form is subject to the terms of the Mozilla Public | |
| 3 * License, v. 2.0. If a copy of the MPL was not distributed with this | |
| 4 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ | |
| 5 | |
| 6 #include "nsPrintObject.h" | |
| 7 #include "nsIContentViewer.h" | |
| 8 #include "nsIDOMDocument.h" | |
| 9 #include "nsContentUtils.h" // for nsAutoScriptBlocker | |
| 10 #include "nsIInterfaceRequestorUtils.h" | |
| 11 #include "nsPIDOMWindow.h" | |
| 12 #include "nsGkAtoms.h" | |
| 13 #include "nsComponentManagerUtils.h" | |
| 14 #include "nsIDocShellTreeItem.h" | |
| 15 #include "nsIBaseWindow.h" | |
| 16 #include "nsIDocument.h" | |
| 17 | |
| 18 //--------------------------------------------------- | |
| 19 //-- nsPrintObject Class Impl | |
| 20 //--------------------------------------------------- | |
| 21 nsPrintObject::nsPrintObject() : | |
| 22 mContent(nullptr), mFrameType(eFrame), mParent(nullptr), | |
| 23 mHasBeenPrinted(false), mDontPrint(true), mPrintAsIs(false), | |
| 24 mInvisible(false), mDidCreateDocShell(false), | |
| 25 mShrinkRatio(1.0), mZoomRatio(1.0) | |
| 26 { | |
| 27 MOZ_COUNT_CTOR(nsPrintObject); | |
| 28 } | |
| 29 | |
| 30 | |
| 31 nsPrintObject::~nsPrintObject() | |
| 32 { | |
| 33 MOZ_COUNT_DTOR(nsPrintObject); | |
| 34 for (uint32_t i=0;i<mKids.Length();i++) { | |
| 35 nsPrintObject* po = mKids[i]; | |
| 36 delete po; | |
| 37 } | |
| 38 | |
| 39 DestroyPresentation(); | |
| 40 if (mDidCreateDocShell && mDocShell) { | |
| 41 nsCOMPtr<nsIBaseWindow> baseWin(do_QueryInterface(mDocShell)); | |
| 42 if (baseWin) { | |
| 43 baseWin->Destroy(); | |
| 44 } | |
| 45 } | |
| 46 mDocShell = nullptr; | |
| 47 mTreeOwner = nullptr; // mTreeOwner must be released after mDocShell; | |
| 48 } | |
| 49 | |
| 50 //------------------------------------------------------------------ | |
| 51 nsresult | |
| 52 nsPrintObject::Init(nsIDocShell* aDocShell, nsIDOMDocument* aDoc, | |
| 53 bool aPrintPreview) | |
| 54 { | |
| 55 mPrintPreview = aPrintPreview; | |
| 56 | |
| 57 if (mPrintPreview || mParent) { | |
| 58 mDocShell = aDocShell; | |
| 59 } else { | |
| 60 mTreeOwner = do_GetInterface(aDocShell); | |
| 61 // Create a container docshell for printing. | |
| 62 mDocShell = do_CreateInstance("@mozilla.org/docshell;1"); | |
| 63 NS_ENSURE_TRUE(mDocShell, NS_ERROR_OUT_OF_MEMORY); | |
| 64 mDidCreateDocShell = true; | |
| 65 mDocShell->SetItemType(aDocShell->ItemType()); | |
| 66 mDocShell->SetTreeOwner(mTreeOwner); | |
| 67 } | |
| 68 NS_ENSURE_TRUE(mDocShell, NS_ERROR_FAILURE); | |
| 69 | |
| 70 nsCOMPtr<nsIDOMDocument> dummy = do_GetInterface(mDocShell); | |
| 71 nsCOMPtr<nsIContentViewer> viewer; | |
| 72 mDocShell->GetContentViewer(getter_AddRefs(viewer)); | |
| 73 NS_ENSURE_STATE(viewer); | |
| 74 | |
| 75 nsCOMPtr<nsIDocument> doc = do_QueryInterface(aDoc); | |
| 76 NS_ENSURE_STATE(doc); | |
| 77 | |
| 78 if (mParent) { | |
| 79 nsCOMPtr<nsPIDOMWindow> window = doc->GetWindow(); | |
| 80 if (window) { | |
| 81 mContent = do_QueryInterface(window->GetFrameElementInternal()); | |
| 82 } | |
| 83 mDocument = doc; | |
| 84 return NS_OK; | |
| 85 } | |
| 86 | |
| 87 mDocument = doc->CreateStaticClone(mDocShell); | |
| 88 nsCOMPtr<nsIDOMDocument> clonedDOMDoc = do_QueryInterface(mDocument); | |
| 89 NS_ENSURE_STATE(clonedDOMDoc); | |
| 90 | |
| 91 viewer->SetDOMDocument(clonedDOMDoc); | |
| 92 return NS_OK; | |
| 93 } | |
| 94 | |
| 95 //------------------------------------------------------------------ | |
| 96 // Resets PO by destroying the presentation | |
| 97 void | |
| 98 nsPrintObject::DestroyPresentation() | |
| 99 { | |
| 100 if (mPresShell) { | |
| 101 mPresShell->EndObservingDocument(); | |
| 102 nsAutoScriptBlocker scriptBlocker; | |
| 103 nsCOMPtr<nsIPresShell> shell = mPresShell; | |
| 104 mPresShell = nullptr; | |
| 105 shell->Destroy(); | |
| 106 } | |
| 107 mPresContext = nullptr; | |
| 108 mViewManager = nullptr; | |
| 109 } | |
| 110 |
