| /* |
| * 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; |
| } |