blob: 3e9214418037a097cef0c72334c41deb02816961 [file] [log] [blame]
/*
* Copyright (C) 2009 Apple Inc. All Rights Reserved.
* Copyright (C) 2009 Brent Fulgham. All Rights Reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY
* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR
* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
* OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#include "stdafx.h"
#include "PrintWebUIDelegate.h"
#include <WebKit/WebKitCOMAPI.h>
#include <commctrl.h>
#include <commdlg.h>
#include <objbase.h>
#include <shlwapi.h>
#include <wininet.h>
static const int MARGIN = 20;
HRESULT PrintWebUIDelegate::QueryInterface(REFIID riid, void** ppvObject)
{
*ppvObject = 0;
if (IsEqualIID(riid, IID_IUnknown))
*ppvObject = static_cast<IWebUIDelegate*>(this);
else if (IsEqualIID(riid, IID_IWebUIDelegate))
*ppvObject = static_cast<IWebUIDelegate*>(this);
else
return E_NOINTERFACE;
AddRef();
return S_OK;
}
ULONG PrintWebUIDelegate::AddRef(void)
{
return ++m_refCount;
}
ULONG PrintWebUIDelegate::Release(void)
{
ULONG newRef = --m_refCount;
if (!newRef)
delete this;
return newRef;
}
HRESULT PrintWebUIDelegate::webViewPrintingMarginRect(IWebView* view, RECT* rect)
{
if (!view || !rect)
return E_POINTER;
IWebFrame* mainFrame = 0;
if (FAILED(view->mainFrame(&mainFrame)))
return E_FAIL;
IWebFramePrivate* privateFrame = 0;
if (FAILED(mainFrame->QueryInterface(&privateFrame))) {
mainFrame->Release();
return E_FAIL;
}
privateFrame->frameBounds(rect);
rect->left += MARGIN;
rect->top += MARGIN;
HDC dc = ::GetDC(0);
rect->right = (::GetDeviceCaps(dc, LOGPIXELSX) * 6.5) - MARGIN;
rect->bottom = (::GetDeviceCaps(dc, LOGPIXELSY) * 11) - MARGIN;
::ReleaseDC(0, dc);
privateFrame->Release();
mainFrame->Release();
return S_OK;
}
HRESULT PrintWebUIDelegate::webViewHeaderHeight(IWebView* webView, float* height)
{
if (!webView || !height)
return E_POINTER;
HDC dc = ::GetDC(0);
TEXTMETRIC textMetric;
::GetTextMetrics(dc, &textMetric);
::ReleaseDC(0, dc);
*height = 1.1 * textMetric.tmHeight;
return S_OK;
}
HRESULT PrintWebUIDelegate::webViewFooterHeight(IWebView* webView, float* height)
{
if (!webView || !height)
return E_POINTER;
HDC dc = ::GetDC(0);
TEXTMETRIC textMetric;
::GetTextMetrics(dc, &textMetric);
::ReleaseDC(0, dc);
*height = 1.1 * textMetric.tmHeight;
return S_OK;
}
HRESULT PrintWebUIDelegate::drawHeaderInRect(
/* [in] */ IWebView* webView,
/* [in] */ RECT* rect,
/* [in] */ OLE_HANDLE drawingContext)
{
if (!webView || !rect)
return E_POINTER;
// Turn off header for now.
HDC dc = reinterpret_cast<HDC>(drawingContext);
HGDIOBJ hFont = ::GetStockObject(ANSI_VAR_FONT);
HGDIOBJ hOldFont = ::SelectObject(dc, hFont);
LPCWSTR header = L"[Sample Header]";
size_t length = wcslen(header);
int rc = ::DrawTextW(dc, header, length, rect, DT_LEFT | DT_NOCLIP | DT_VCENTER | DT_SINGLELINE);
::SelectObject(dc, hOldFont);
if (!rc)
return E_FAIL;
::MoveToEx(dc, rect->left, rect->bottom, 0);
HGDIOBJ hPen = ::GetStockObject(BLACK_PEN);
HGDIOBJ hOldPen = ::SelectObject(dc, hPen);
::LineTo(dc, rect->right, rect->bottom);
::SelectObject(dc, hOldPen);
return S_OK;
}
HRESULT PrintWebUIDelegate::drawFooterInRect(
/* [in] */ IWebView* webView,
/* [in] */ RECT* rect,
/* [in] */ OLE_HANDLE drawingContext,
/* [in] */ UINT pageIndex,
/* [in] */ UINT pageCount)
{
if (!webView || !rect)
return E_POINTER;
HDC dc = reinterpret_cast<HDC>(drawingContext);
HGDIOBJ hFont = ::GetStockObject(ANSI_VAR_FONT);
HGDIOBJ hOldFont = ::SelectObject(dc, hFont);
LPCWSTR footer = L"[Sample Footer]";
size_t length = wcslen(footer);
// Add a line, 1/10th inch above the footer text from left margin to right margin.
::MoveToEx(dc, rect->left, rect->top, 0);
HGDIOBJ hPen = ::GetStockObject(BLACK_PEN);
HGDIOBJ hOldPen = ::SelectObject(dc, hPen);
::LineTo(dc, rect->right, rect->top);
::SelectObject(dc, hOldPen);
int rc = ::DrawTextW(dc, footer, length, rect, DT_LEFT | DT_NOCLIP | DT_VCENTER | DT_SINGLELINE);
::SelectObject(dc, hOldFont);
if (!rc)
return E_FAIL;
return S_OK;
}