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Pushed many of the method implementations done by buster from nsHTMLDocShell into the base class.

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This commit is contained in:
tbogard@aol.net
1999-10-28 02:20:44 +00:00
parent 3da7a3f60c
commit 2dc0808ae6
3 changed files with 259 additions and 483 deletions
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319
docshell/base/nsDocShellBase.cpp
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@@ -20,7 +20,6 @@
* Travis Bogard <travis@netscape.com>
*/
#include "nsDocShellBase.h"
//*****************************************************************************
@@ -220,8 +219,15 @@ NS_IMETHODIMP nsDocShellBase::GetSearchable(PRBool* searchable)
NS_IMETHODIMP nsDocShellBase::ClearSelection()
{
//XXX First Check
return NS_ERROR_FAILURE;
NS_ENSURE_STATE(m_PresShell);
nsCOMPtr<nsIDOMSelection> selection;
NS_ENSURE_SUCCESS(m_PresShell->GetSelection(SELECTION_NORMAL,
getter_AddRefs(selection)), NS_ERROR_FAILURE);
NS_ENSURE_SUCCESS(selection->ClearSelection(), NS_ERROR_FAILURE);
return NS_OK;
}
NS_IMETHODIMP nsDocShellBase::SelectAll()
@@ -232,42 +238,72 @@ NS_IMETHODIMP nsDocShellBase::SelectAll()
NS_IMETHODIMP nsDocShellBase::CopySelection()
{
//XXX First Check
return NS_ERROR_FAILURE;
NS_ENSURE_STATE(m_PresShell);
// the pres shell knows how to copy, so let it do the work
NS_ENSURE_SUCCESS(m_PresShell->DoCopy(), NS_ERROR_FAILURE);
return NS_OK;
}
NS_IMETHODIMP nsDocShellBase::GetCopyable(PRBool* copyable)
/* the docShell is "copyable" if it has a selection and the selection is not
* collapsed (that is, at least one token is selected, a character or a node
*/
NS_IMETHODIMP nsDocShellBase::GetCopyable(PRBool *aCopyable)
{
NS_ENSURE_ARG_POINTER(copyable);
//XXX First Check
return NS_ERROR_FAILURE;
NS_ENSURE_ARG_POINTER(aCopyable);
NS_ENSURE_STATE(m_PresShell);
nsCOMPtr<nsIDOMSelection> selection;
NS_ENSURE_SUCCESS(m_PresShell->GetSelection(SELECTION_NORMAL,
getter_AddRefs(selection)), NS_ERROR_FAILURE);
if(!selection)
{
*aCopyable = PR_FALSE;
return NS_OK;
}
PRBool isCollapsed;
NS_ENSURE_SUCCESS(selection->GetIsCollapsed(&isCollapsed), NS_ERROR_FAILURE);
*aCopyable = !isCollapsed;
return NS_OK;
}
NS_IMETHODIMP nsDocShellBase::CutSelection()
{
//XXX First Check
//XXX Implement
//Should check to find the current focused object. Then cut the contents.
return NS_ERROR_FAILURE;
}
NS_IMETHODIMP nsDocShellBase::GetCutable(PRBool* cutable)
{
NS_ENSURE_ARG_POINTER(cutable);
//XXX First Check
//XXX Implement
//Should check to find the current focused object. Then see if it can
//be cut out of. For now the answer is always no since CutSelection()
// has not been implemented.
return NS_ERROR_FAILURE;
}
NS_IMETHODIMP nsDocShellBase::Paste()
{
//XXX First Check
//XXX Implement
return NS_ERROR_FAILURE;
}
NS_IMETHODIMP nsDocShellBase::GetPasteable(PRBool* pasteable)
{
NS_ENSURE_ARG_POINTER(pasteable);
//XXX First Check
return NS_ERROR_FAILURE;
//XXX Implement
//Should check to find the current focused object. Then see if it can
//be pasted into. For now the answer is always no since Paste()
// has not been implemented.
*pasteable = PR_FALSE;
return NS_OK;
}
//*****************************************************************************
@@ -284,7 +320,13 @@ NS_IMETHODIMP nsDocShellBase::GetSaveable(PRBool* saveable)
{
NS_ENSURE_ARG_POINTER(saveable);
//XXX First Check
return NS_ERROR_FAILURE;
// XXX Implement
// Should check if a doc is loaded and if it is in a state that that is
// ready to save. For now the answer is always no since saving isn't
// implemented.
*saveable = PR_FALSE;
return NS_OK;
}
NS_IMETHODIMP nsDocShellBase::Print()
@@ -296,8 +338,13 @@ NS_IMETHODIMP nsDocShellBase::Print()
NS_IMETHODIMP nsDocShellBase::GetPrintable(PRBool* printable)
{
NS_ENSURE_ARG_POINTER(printable);
//XXX First Check
return NS_ERROR_FAILURE;
// XXX Implement
// Should check if a doc is loaded and if it is in a state that that is
// ready to print. For now the answer is always no since printing isn't
// implemented.
*printable = PR_FALSE;
return NS_OK;
}
//*****************************************************************************
@@ -463,7 +510,6 @@ NS_IMETHODIMP nsDocShellBase::SetParentWidget(nsIWidget* parentWidget)
return NS_OK;
}
NS_IMETHODIMP nsDocShellBase::GetParentNativeWindow(nativeWindow* parentNativeWindow)
{
NS_ENSURE_ARG_POINTER(parentNativeWindow);
@@ -579,46 +625,93 @@ NS_IMETHODIMP nsDocShellBase::GetCurScrollPos(PRInt32 scrollOrientation,
{
NS_ENSURE_ARG_POINTER(curPos);
//XXX First Check
/*
Retrieves or Sets the current thumb position to the curPos passed in for the
scrolling orientation passed in. curPos should be between minPos and maxPos.
nsCOMPtr<nsIScrollableView> scrollView;
NS_ENSURE_SUCCESS(GetRootScrollableView(getter_AddRefs(scrollView)),
NS_ERROR_FAILURE);
@return NS_OK - Setting or Getting completed successfully.
NS_ERROR_INVALID_ARG - returned when curPos is not within the
minPos and maxPos.
*/
nscoord x, y;
NS_ENSURE_SUCCESS(scrollView->GetScrollPosition(x, y), NS_ERROR_FAILURE);
switch(scrollOrientation)
{
case ScrollOrientation_X:
*curPos = x;
return NS_OK;
case ScrollOrientation_Y:
*curPos = y;
return NS_OK;
default:
NS_ENSURE(PR_FALSE, NS_ERROR_INVALID_ARG);
}
return NS_ERROR_FAILURE;
}
NS_IMETHODIMP nsDocShellBase::SetCurScrollPos(PRInt32 scrollOrientation,
PRInt32 curPos)
{
//XXX First Check
/*
Retrieves or Sets the current thumb position to the curPos passed in for the
scrolling orientation passed in. curPos should be between minPos and maxPos.
nsCOMPtr<nsIScrollableView> scrollView;
NS_ENSURE_SUCCESS(GetRootScrollableView(getter_AddRefs(scrollView)),
NS_ERROR_FAILURE);
@return NS_OK - Setting or Getting completed successfully.
NS_ERROR_INVALID_ARG - returned when curPos is not within the
minPos and maxPos.
*/
return NS_ERROR_FAILURE;
PRInt32 other;
PRInt32 x;
PRInt32 y;
GetCurScrollPos(scrollOrientation, &other);
switch(scrollOrientation)
{
case ScrollOrientation_X:
x = curPos;
y = other;
break;
case ScrollOrientation_Y:
x = other;
y = curPos;
break;
default:
NS_ENSURE(PR_FALSE, NS_ERROR_INVALID_ARG);
}
NS_ENSURE_SUCCESS(scrollView->ScrollTo(x, y, NS_VMREFRESH_IMMEDIATE),
NS_ERROR_FAILURE);
return NS_OK;
}
// XXX This is wrong
NS_IMETHODIMP nsDocShellBase::GetScrollRange(PRInt32 scrollOrientation,
PRInt32* minPos, PRInt32* maxPos)
{
NS_ENSURE_ARG_POINTER(minPos && maxPos);
//XXX First Check
/*
Retrieves or Sets the valid ranges for the thumb. When maxPos is set to
something less than the current thumb position, curPos is set = to maxPos.
@return NS_OK - Setting or Getting completed successfully.
NS_ERROR_INVALID_ARG - returned when curPos is not within the
minPos and maxPos.
*/
nsCOMPtr<nsIScrollableView> scrollView;
NS_ENSURE_SUCCESS(GetRootScrollableView(getter_AddRefs(scrollView)),
NS_ERROR_FAILURE);
PRInt32 cx;
PRInt32 cy;
NS_ENSURE_SUCCESS(scrollView->GetContainerSize(&cx, &cy), NS_ERROR_FAILURE);
*minPos = 0;
switch(scrollOrientation)
{
case ScrollOrientation_X:
*maxPos = cx;
return NS_OK;
case ScrollOrientation_Y:
*maxPos = cy;
return NS_OK;
default:
NS_ENSURE(PR_FALSE, NS_ERROR_INVALID_ARG);
}
return NS_ERROR_FAILURE;
}
@@ -641,32 +734,58 @@ NS_IMETHODIMP nsDocShellBase::GetScrollbarPreferences(PRInt32 scrollOrientation,
PRInt32* scrollbarPref)
{
NS_ENSURE_ARG_POINTER(scrollbarPref);
//XXX First Check
/*
Retrieves of Set the preferences for the scroll bar.
*/
return NS_ERROR_FAILURE;
nsCOMPtr<nsIScrollableView> scrollView;
NS_ENSURE_SUCCESS(GetRootScrollableView(getter_AddRefs(scrollView)),
NS_ERROR_FAILURE);
// XXX This is all evil, we need to convert. We don't know our prefs
// are the same as this interfaces.
/* nsScrollPreference scrollPref;
NS_ENSURE_SUCCESS(scrollView->GetScrollPreference(scrollPref),
NS_ERROR_FAILURE);
*scrollbarPref = scrollPref; */
return NS_OK;
}
NS_IMETHODIMP nsDocShellBase::SetScrollbarPreferences(PRInt32 scrollOrientation,
PRInt32 scrollbarPref)
{
//XXX First Check
/*
Retrieves of Set the preferences for the scroll bar.
*/
return NS_ERROR_FAILURE;
nsCOMPtr<nsIScrollableView> scrollView;
NS_ENSURE_SUCCESS(GetRootScrollableView(getter_AddRefs(scrollView)),
NS_ERROR_FAILURE);
// XXX This is evil. We should do a mapping, we don't know our prefs
// are the same as this interface. In fact it doesn't compile
/* nsScrollPreference scrollPref = scrollbarPref;
NS_ENSURE_SUCCESS(scrollView->SetScrollPreference(scrollPref),
NS_ERROR_FAILURE); */
return NS_OK;
}
NS_IMETHODIMP nsDocShellBase::GetScrollbarVisibility(PRBool* verticalVisible,
PRBool* horizontalVisible)
{
//XXX First Check
/*
Get information about whether the vertical and horizontal scrollbars are
currently visible.
*/
return NS_ERROR_FAILURE;
nsCOMPtr<nsIScrollableView> scrollView;
NS_ENSURE_SUCCESS(GetRootScrollableView(getter_AddRefs(scrollView)),
NS_ERROR_FAILURE);
PRBool vertVisible;
PRBool horizVisible;
NS_ENSURE_SUCCESS(scrollView->GetScrollbarVisibility(&vertVisible,
&horizVisible), NS_ERROR_FAILURE);
if(verticalVisible)
*verticalVisible = vertVisible;
if(horizontalVisible)
*horizontalVisible = horizVisible;
return NS_OK;
}
//*****************************************************************************
@@ -675,25 +794,71 @@ NS_IMETHODIMP nsDocShellBase::GetScrollbarVisibility(PRBool* verticalVisible,
NS_IMETHODIMP nsDocShellBase::ScrollByLines(PRInt32 numLines)
{
//XXX First Check
/**
* Scroll the view up or down by aNumLines lines. positive
* values move down in the view. Prevents scrolling off the
* end of the view.
* @param numLines number of lines to scroll the view by
*/
return NS_ERROR_FAILURE;
nsCOMPtr<nsIScrollableView> scrollView;
NS_ENSURE_SUCCESS(GetRootScrollableView(getter_AddRefs(scrollView)),
NS_ERROR_FAILURE);
NS_ENSURE_SUCCESS(scrollView->ScrollByLines(numLines), NS_ERROR_FAILURE);
return NS_OK;
}
NS_IMETHODIMP nsDocShellBase::ScrollByPages(PRInt32 numPages)
{
//XXX First Check
/**
* Scroll the view up or down by numPages pages. a page
* is considered to be the amount displayed by the clip view.
* positive values move down in the view. Prevents scrolling
* off the end of the view.
* @param numPages number of pages to scroll the view by
*/
nsCOMPtr<nsIScrollableView> scrollView;
NS_ENSURE_SUCCESS(GetRootScrollableView(getter_AddRefs(scrollView)),
NS_ERROR_FAILURE);
NS_ENSURE_SUCCESS(scrollView->ScrollByPages(numPages), NS_ERROR_FAILURE);
return NS_OK;
}
//*****************************************************************************
// nsDocShellBase: Helper Routines
//*****************************************************************************
nsresult nsDocShellBase::GetChildOffset(nsIDOMNode *aChild, nsIDOMNode* aParent,
PRInt32* aOffset)
{
NS_ENSURE_ARG_POINTER(aChild || aParent);
nsCOMPtr<nsIDOMNodeList> childNodes;
NS_ENSURE_SUCCESS(aParent->GetChildNodes(getter_AddRefs(childNodes)),
NS_ERROR_FAILURE);
NS_ENSURE(childNodes, NS_ERROR_FAILURE);
PRInt32 i=0;
for( ; PR_TRUE; i++)
{
nsCOMPtr<nsIDOMNode> childNode;
NS_ENSURE_SUCCESS(childNodes->Item(i, getter_AddRefs(childNode)),
NS_ERROR_FAILURE);
NS_ENSURE(childNode, NS_ERROR_FAILURE);
if(childNode.get() == aChild)
{
*aOffset = i;
return NS_OK;
}
}
return NS_ERROR_FAILURE;
}
}
nsresult nsDocShellBase::GetRootScrollableView(nsIScrollableView** aOutScrollView)
{
NS_ENSURE_ARG_POINTER(aOutScrollView);
nsCOMPtr<nsIViewManager> viewManager;
//XXX Get ViewManager Somewhere.
NS_ENSURE_SUCCESS(viewManager->GetRootScrollableView(aOutScrollView),
NS_ERROR_FAILURE);
return NS_OK;
}