mirror of
https://github.com/mozilla/gecko-dev.git
synced 2024-11-05 08:35:26 +00:00
314 lines
12 KiB
C++
314 lines
12 KiB
C++
/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
|
|
/* This Source Code Form is subject to the terms of the Mozilla Public
|
|
* License, v. 2.0. If a copy of the MPL was not distributed with this
|
|
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
|
|
#ifndef nsPrintEngine_h___
|
|
#define nsPrintEngine_h___
|
|
|
|
#include "mozilla/Attributes.h"
|
|
|
|
#include "nsCOMPtr.h"
|
|
|
|
#include "nsPrintObject.h"
|
|
#include "nsPrintData.h"
|
|
#include "nsFrameList.h"
|
|
#include "mozilla/Attributes.h"
|
|
#include "nsIWebProgress.h"
|
|
#include "mozilla/dom/HTMLCanvasElement.h"
|
|
#include "nsIWebProgressListener.h"
|
|
#include "nsWeakReference.h"
|
|
|
|
// Interfaces
|
|
#include "nsIDOMWindow.h"
|
|
#include "nsIObserver.h"
|
|
|
|
// Classes
|
|
class nsPagePrintTimer;
|
|
class nsIDocShell;
|
|
class nsDeviceContext;
|
|
class nsIDocument;
|
|
class nsIDocumentViewerPrint;
|
|
class nsPrintObject;
|
|
class nsIDocShell;
|
|
class nsIPageSequenceFrame;
|
|
class nsIWeakReference;
|
|
|
|
//------------------------------------------------------------------------
|
|
// nsPrintEngine Class
|
|
//
|
|
//------------------------------------------------------------------------
|
|
class nsPrintEngine MOZ_FINAL : public nsIObserver,
|
|
public nsIWebProgressListener,
|
|
public nsSupportsWeakReference
|
|
{
|
|
public:
|
|
// nsISupports interface...
|
|
NS_DECL_ISUPPORTS
|
|
|
|
// nsIObserver
|
|
NS_DECL_NSIOBSERVER
|
|
|
|
NS_DECL_NSIWEBPROGRESSLISTENER
|
|
|
|
// Old nsIWebBrowserPrint methods; not cleaned up yet
|
|
NS_IMETHOD Print(nsIPrintSettings* aPrintSettings,
|
|
nsIWebProgressListener* aWebProgressListener);
|
|
NS_IMETHOD PrintPreview(nsIPrintSettings* aPrintSettings,
|
|
nsIDOMWindow *aChildDOMWin,
|
|
nsIWebProgressListener* aWebProgressListener);
|
|
NS_IMETHOD GetIsFramesetDocument(bool *aIsFramesetDocument);
|
|
NS_IMETHOD GetIsIFrameSelected(bool *aIsIFrameSelected);
|
|
NS_IMETHOD GetIsRangeSelection(bool *aIsRangeSelection);
|
|
NS_IMETHOD GetIsFramesetFrameSelected(bool *aIsFramesetFrameSelected);
|
|
NS_IMETHOD GetPrintPreviewNumPages(int32_t *aPrintPreviewNumPages);
|
|
NS_IMETHOD EnumerateDocumentNames(uint32_t* aCount, char16_t*** aResult);
|
|
static nsresult GetGlobalPrintSettings(nsIPrintSettings** aPrintSettings);
|
|
NS_IMETHOD GetDoingPrint(bool *aDoingPrint);
|
|
NS_IMETHOD GetDoingPrintPreview(bool *aDoingPrintPreview);
|
|
NS_IMETHOD GetCurrentPrintSettings(nsIPrintSettings **aCurrentPrintSettings);
|
|
|
|
|
|
// This enum tells indicates what the default should be for the title
|
|
// if the title from the document is null
|
|
enum eDocTitleDefault {
|
|
eDocTitleDefBlank,
|
|
eDocTitleDefURLDoc
|
|
};
|
|
|
|
nsPrintEngine();
|
|
|
|
void Destroy();
|
|
void DestroyPrintingData();
|
|
|
|
nsresult Initialize(nsIDocumentViewerPrint* aDocViewerPrint,
|
|
nsIDocShell* aContainer,
|
|
nsIDocument* aDocument,
|
|
float aScreenDPI,
|
|
FILE* aDebugFile);
|
|
|
|
nsresult GetSeqFrameAndCountPages(nsIFrame*& aSeqFrame, int32_t& aCount);
|
|
|
|
//
|
|
// The following three methods are used for printing...
|
|
//
|
|
nsresult DocumentReadyForPrinting();
|
|
nsresult GetSelectionDocument(nsIDeviceContextSpec * aDevSpec,
|
|
nsIDocument ** aNewDoc);
|
|
|
|
nsresult SetupToPrintContent();
|
|
nsresult EnablePOsForPrinting();
|
|
nsPrintObject* FindSmallestSTF();
|
|
|
|
bool PrintDocContent(nsPrintObject* aPO, nsresult& aStatus);
|
|
nsresult DoPrint(nsPrintObject * aPO);
|
|
|
|
void SetPrintPO(nsPrintObject* aPO, bool aPrint);
|
|
|
|
void TurnScriptingOn(bool aDoTurnOn);
|
|
bool CheckDocumentForPPCaching();
|
|
void InstallPrintPreviewListener();
|
|
|
|
// nsIDocumentViewerPrint Printing Methods
|
|
bool HasPrintCallbackCanvas();
|
|
bool PrePrintPage();
|
|
bool PrintPage(nsPrintObject* aPOect, bool& aInRange);
|
|
bool DonePrintingPages(nsPrintObject* aPO, nsresult aResult);
|
|
|
|
//---------------------------------------------------------------------
|
|
void BuildDocTree(nsIDocShell * aParentNode,
|
|
nsTArray<nsPrintObject*> * aDocList,
|
|
nsPrintObject * aPO);
|
|
nsresult ReflowDocList(nsPrintObject * aPO, bool aSetPixelScale);
|
|
|
|
nsresult ReflowPrintObject(nsPrintObject * aPO);
|
|
|
|
void CheckForChildFrameSets(nsPrintObject* aPO);
|
|
|
|
void CalcNumPrintablePages(int32_t& aNumPages);
|
|
void ShowPrintProgress(bool aIsForPrinting, bool& aDoNotify);
|
|
nsresult CleanupOnFailure(nsresult aResult, bool aIsPrinting);
|
|
// If FinishPrintPreview() fails, caller may need to reset the state of the
|
|
// object, for example by calling CleanupOnFailure().
|
|
nsresult FinishPrintPreview();
|
|
static void CloseProgressDialog(nsIWebProgressListener* aWebProgressListener);
|
|
void SetDocAndURLIntoProgress(nsPrintObject* aPO,
|
|
nsIPrintProgressParams* aParams);
|
|
void EllipseLongString(nsAString& aStr, const uint32_t aLen, bool aDoFront);
|
|
nsresult CheckForPrinters(nsIPrintSettings* aPrintSettings);
|
|
void CleanupDocTitleArray(char16_t**& aArray, int32_t& aCount);
|
|
|
|
bool IsThereARangeSelection(nsIDOMWindow * aDOMWin);
|
|
|
|
//---------------------------------------------------------------------
|
|
|
|
|
|
// Timer Methods
|
|
nsresult StartPagePrintTimer(nsPrintObject* aPO);
|
|
|
|
bool IsWindowsInOurSubTree(nsPIDOMWindow * aDOMWindow);
|
|
static bool IsParentAFrameSet(nsIDocShell * aParent);
|
|
bool IsThereAnIFrameSelected(nsIDocShell* aDocShell,
|
|
nsIDOMWindow* aDOMWin,
|
|
bool& aIsParentFrameSet);
|
|
|
|
static nsPrintObject* FindPrintObjectByDOMWin(nsPrintObject* aParentObject,
|
|
nsIDOMWindow* aDOMWin);
|
|
|
|
// get the currently infocus frame for the document viewer
|
|
already_AddRefed<nsIDOMWindow> FindFocusedDOMWindow();
|
|
|
|
//---------------------------------------------------------------------
|
|
// Static Methods
|
|
//---------------------------------------------------------------------
|
|
static void GetDocumentTitleAndURL(nsIDocument* aDoc,
|
|
nsAString& aTitle,
|
|
nsAString& aURLStr);
|
|
void GetDisplayTitleAndURL(nsPrintObject* aPO,
|
|
nsAString& aTitle,
|
|
nsAString& aURLStr,
|
|
eDocTitleDefault aDefType);
|
|
static void ShowPrintErrorDialog(nsresult printerror,
|
|
bool aIsPrinting = true);
|
|
|
|
static bool HasFramesetChild(nsIContent* aContent);
|
|
|
|
bool CheckBeforeDestroy();
|
|
nsresult Cancelled();
|
|
|
|
nsIPresShell* GetPrintPreviewPresShell() {return mPrtPreview->mPrintObject->mPresShell;}
|
|
|
|
float GetPrintPreviewScale() { return mPrtPreview->mPrintObject->
|
|
mPresContext->GetPrintPreviewScale(); }
|
|
|
|
static nsIPresShell* GetPresShellFor(nsIDocShell* aDocShell);
|
|
|
|
// These calls also update the DocViewer
|
|
void SetIsPrinting(bool aIsPrinting);
|
|
bool GetIsPrinting()
|
|
{
|
|
return mIsDoingPrinting;
|
|
}
|
|
void SetIsPrintPreview(bool aIsPrintPreview);
|
|
bool GetIsPrintPreview()
|
|
{
|
|
return mIsDoingPrintPreview;
|
|
}
|
|
void SetIsCreatingPrintPreview(bool aIsCreatingPrintPreview)
|
|
{
|
|
mIsCreatingPrintPreview = aIsCreatingPrintPreview;
|
|
}
|
|
bool GetIsCreatingPrintPreview()
|
|
{
|
|
return mIsCreatingPrintPreview;
|
|
}
|
|
|
|
void SetDisallowSelectionPrint(bool aDisallowSelectionPrint)
|
|
{
|
|
mDisallowSelectionPrint = aDisallowSelectionPrint;
|
|
}
|
|
|
|
void SetNoMarginBoxes(bool aNoMarginBoxes) {
|
|
mNoMarginBoxes = aNoMarginBoxes;
|
|
}
|
|
|
|
protected:
|
|
~nsPrintEngine();
|
|
|
|
nsresult CommonPrint(bool aIsPrintPreview, nsIPrintSettings* aPrintSettings,
|
|
nsIWebProgressListener* aWebProgressListener,
|
|
nsIDOMDocument* aDoc);
|
|
|
|
nsresult DoCommonPrint(bool aIsPrintPreview, nsIPrintSettings* aPrintSettings,
|
|
nsIWebProgressListener* aWebProgressListener,
|
|
nsIDOMDocument* aDoc);
|
|
|
|
void FirePrintCompletionEvent();
|
|
static nsresult GetSeqFrameAndCountPagesInternal(nsPrintObject* aPO,
|
|
nsIFrame*& aSeqFrame,
|
|
int32_t& aCount);
|
|
|
|
static nsresult FindSelectionBoundsWithList(nsPresContext* aPresContext,
|
|
nsRenderingContext& aRC,
|
|
nsFrameList::Enumerator& aChildFrames,
|
|
nsIFrame * aParentFrame,
|
|
nsRect& aRect,
|
|
nsIFrame *& aStartFrame,
|
|
nsRect& aStartRect,
|
|
nsIFrame *& aEndFrame,
|
|
nsRect& aEndRect);
|
|
|
|
static nsresult FindSelectionBounds(nsPresContext* aPresContext,
|
|
nsRenderingContext& aRC,
|
|
nsIFrame * aParentFrame,
|
|
nsRect& aRect,
|
|
nsIFrame *& aStartFrame,
|
|
nsRect& aStartRect,
|
|
nsIFrame *& aEndFrame,
|
|
nsRect& aEndRect);
|
|
|
|
static nsresult GetPageRangeForSelection(nsIPresShell * aPresShell,
|
|
nsPresContext* aPresContext,
|
|
nsRenderingContext& aRC,
|
|
nsISelection* aSelection,
|
|
nsIPageSequenceFrame* aPageSeqFrame,
|
|
nsIFrame** aStartFrame,
|
|
int32_t& aStartPageNum,
|
|
nsRect& aStartRect,
|
|
nsIFrame** aEndFrame,
|
|
int32_t& aEndPageNum,
|
|
nsRect& aEndRect);
|
|
|
|
static void MapContentForPO(nsPrintObject* aPO, nsIContent* aContent);
|
|
|
|
static void MapContentToWebShells(nsPrintObject* aRootPO, nsPrintObject* aPO);
|
|
|
|
static void SetPrintAsIs(nsPrintObject* aPO, bool aAsIs = true);
|
|
|
|
// Static member variables
|
|
bool mIsCreatingPrintPreview;
|
|
bool mIsDoingPrinting;
|
|
bool mIsDoingPrintPreview; // per DocumentViewer
|
|
bool mProgressDialogIsShown;
|
|
|
|
nsCOMPtr<nsIDocumentViewerPrint> mDocViewerPrint;
|
|
nsWeakPtr mContainer;
|
|
float mScreenDPI;
|
|
|
|
nsPrintData* mPrt;
|
|
nsPagePrintTimer* mPagePrintTimer;
|
|
nsIPageSequenceFrame* mPageSeqFrame;
|
|
|
|
// Print Preview
|
|
nsPrintData* mPrtPreview;
|
|
nsPrintData* mOldPrtPreview;
|
|
|
|
nsCOMPtr<nsIDocument> mDocument;
|
|
|
|
FILE* mDebugFile;
|
|
|
|
int32_t mLoadCounter;
|
|
bool mDidLoadDataForPrinting;
|
|
bool mIsDestroying;
|
|
bool mDisallowSelectionPrint;
|
|
bool mNoMarginBoxes;
|
|
|
|
nsresult AfterNetworkPrint(bool aHandleError);
|
|
|
|
nsresult SetRootView(nsPrintObject* aPO,
|
|
bool& aDoReturn,
|
|
bool& aDocumentIsTopLevel,
|
|
nsSize& aAdjSize);
|
|
nsView* GetParentViewForRoot();
|
|
bool DoSetPixelScale();
|
|
void UpdateZoomRatio(nsPrintObject* aPO, bool aSetPixelScale);
|
|
nsresult ReconstructAndReflow(bool aDoSetPixelScale);
|
|
nsresult UpdateSelectionAndShrinkPrintObject(nsPrintObject* aPO,
|
|
bool aDocumentIsTopLevel);
|
|
nsresult InitPrintDocConstruction(bool aHandleError);
|
|
void FirePrintPreviewUpdateEvent();
|
|
private:
|
|
nsPrintEngine& operator=(const nsPrintEngine& aOther) MOZ_DELETE;
|
|
};
|
|
|
|
#endif /* nsPrintEngine_h___ */
|