Commit a65d6b3f authored by Olli Pettay's avatar Olli Pettay
Browse files

Bug 503729 - with browser.zoom.siteSpecific=false: viewing a standalone... 

 Bug 503729 -  with browser.zoom.siteSpecific=false: viewing a standalone image resets full zoom level, r=jst
parent b9c277d8

content/html/document/src/nsImageDocument.cpp

+27 −12
Original line number Diff line number Diff line
@@ -110,6 +110,8 @@ public: 


  virtual void SetScriptGlobalObject(nsIScriptGlobalObject* aScriptGlobalObject);

  virtual void Destroy();

  virtual void OnPageShow(PRBool aPersisted,

                          nsIDOMEventTarget* aDispatchStartTarget);



  NS_DECL_NSIIMAGEDOCUMENT
@@ -136,7 +138,7 @@ protected: 
                  (float)mVisibleHeight / mImageHeight);

  }



  void SetZoomLevel(float aZoomLevel);

  void ResetZoomLevel();

  float GetZoomLevel();



  nsCOMPtr<nsIContent>          mImageContent;
@@ -158,6 +160,8 @@ protected: 
  PRPackedBool                  mFirstResize;

  // mObservingImageLoader is true while the observer is set.

  PRPackedBool                  mObservingImageLoader;



  float                         mOriginalZoomLevel;

};



ImageListener::ImageListener(nsImageDocument* aDocument)
@@ -264,7 +268,7 @@ ImageListener::OnStopRequest(nsIRequest* request, nsISupports *ctxt, 
  // NOTE! nsDocument::operator new() zeroes out all members, so don't

  // bother initializing members to 0.



nsImageDocument::nsImageDocument()

nsImageDocument::nsImageDocument() : mOriginalZoomLevel(1.0)

{



  // NOTE! nsDocument::operator new() zeroes out all members, so don't
@@ -334,6 +338,8 @@ nsImageDocument::StartDocumentLoad(const char* aCommand, 
    return rv;

  }



  mOriginalZoomLevel = GetZoomLevel();



  NS_ASSERTION(aDocListener, "null aDocListener");

  *aDocListener = new ImageListener(this);

  if (!*aDocListener)
@@ -402,6 +408,15 @@ nsImageDocument::SetScriptGlobalObject(nsIScriptGlobalObject* aScriptGlobalObjec 
  }

}



void

nsImageDocument::OnPageShow(PRBool aPersisted,

                            nsIDOMEventTarget* aDispatchStartTarget)

{

  if (aPersisted) {

    mOriginalZoomLevel = GetZoomLevel();

  }

  nsMediaDocument::OnPageShow(aPersisted, aDispatchStartTarget);

}



NS_IMETHODIMP

nsImageDocument::GetImageResizingEnabled(PRBool* aImageResizingEnabled)
@@ -440,7 +455,7 @@ nsImageDocument::GetImageRequest(imgIRequest** aImageRequest) 
NS_IMETHODIMP

nsImageDocument::ShrinkToFit()

{

  if (GetZoomLevel() != 1.0 && mImageIsResized) {

  if (GetZoomLevel() != mOriginalZoomLevel && mImageIsResized) {

    return NS_OK;

  }
@@ -533,11 +548,11 @@ nsImageDocument::ToggleImageSize() 
  mShouldResize = PR_TRUE;

  if (mImageIsResized) {

    mShouldResize = PR_FALSE;

    SetZoomLevel(1.0);

    ResetZoomLevel();

    RestoreImage();

  }

  else if (mImageIsOverflowing) {

    SetZoomLevel(1.0);

    ResetZoomLevel();

    ShrinkToFit();

  }
@@ -549,7 +564,7 @@ nsImageDocument::OnStartContainer(imgIRequest* aRequest, imgIContainer* aImage) 
{

  aImage->GetWidth(&mImageWidth);

  aImage->GetHeight(&mImageHeight);

  SetZoomLevel(1.0);

  ResetZoomLevel();

  CheckOverflowing(mResizeImageByDefault);

  UpdateTitleAndCharset();
@@ -565,7 +580,7 @@ nsImageDocument::HandleEvent(nsIDOMEvent* aEvent) 
    CheckOverflowing(PR_FALSE);

  }

  else if (eventType.EqualsLiteral("click") && mClickResizingEnabled) {

    SetZoomLevel(1.0);

    ResetZoomLevel();

    mShouldResize = PR_TRUE;

    if (mImageIsResized) {

      PRInt32 x = 0, y = 0;
@@ -599,7 +614,7 @@ nsImageDocument::HandleEvent(nsIDOMEvent* aEvent) 
    if (charCode == 0x2B && !ctrlKey && !metaKey && !altKey) {

      mShouldResize = PR_FALSE;

      if (mImageIsResized) {

        SetZoomLevel(1.0);

        ResetZoomLevel();

        RestoreImage();

      }

    }
@@ -607,7 +622,7 @@ nsImageDocument::HandleEvent(nsIDOMEvent* aEvent) 
    else if (charCode == 0x2D && !ctrlKey && !metaKey && !altKey) {

      mShouldResize = PR_TRUE;

      if (mImageIsOverflowing) {

        SetZoomLevel(1.0);

        ResetZoomLevel();

        ShrinkToFit();

      }

    }
@@ -779,7 +794,7 @@ nsImageDocument::UpdateTitleAndCharset() 
}



void

nsImageDocument::SetZoomLevel(float aZoomLevel)

nsImageDocument::ResetZoomLevel()

{

  nsCOMPtr<nsIDocShell> docShell = do_QueryReferent(mDocumentContainer);

  if (docShell) {
@@ -787,7 +802,7 @@ nsImageDocument::SetZoomLevel(float aZoomLevel) 
    docShell->GetContentViewer(getter_AddRefs(cv));

    nsCOMPtr<nsIMarkupDocumentViewer> mdv = do_QueryInterface(cv);

    if (mdv) {

      mdv->SetFullZoom(aZoomLevel);

      mdv->SetFullZoom(mOriginalZoomLevel);

    }

  }

}
@@ -795,7 +810,7 @@ nsImageDocument::SetZoomLevel(float aZoomLevel) 
float

nsImageDocument::GetZoomLevel()

{

  float zoomLevel = 1.0;

  float zoomLevel = mOriginalZoomLevel;

  nsCOMPtr<nsIDocShell> docShell = do_QueryReferent(mDocumentContainer);

  if (docShell) {

    nsCOMPtr<nsIContentViewer> cv;