diff -r 000000000000 -r 4f2f89ce4247 WebKit/win/WebScrollBar.cpp --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/WebKit/win/WebScrollBar.cpp Fri Sep 17 09:02:29 2010 +0300 @@ -0,0 +1,268 @@ +/* + * Copyright (C) 2007 Apple Inc. 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 COMPUTER, 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 COMPUTER, 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 "config.h" +#include "WebKitDLL.h" +#include "WebKit.h" +#include "WebScrollBar.h" + +#pragma warning(push, 0) +#include +#include +#include +#include +#pragma warning(pop) + +using namespace WebCore; + +// WebScrollBar --------------------------------------------------------------------- + +WebScrollBar::WebScrollBar() + : m_refCount(0) + , m_containingWindow(0) +{ + gClassCount++; + gClassNameCount.add("WebScrollBar"); +} + +WebScrollBar::~WebScrollBar() +{ + gClassCount--; + gClassNameCount.remove("WebScrollBar"); +} + +WebScrollBar* WebScrollBar::createInstance() +{ + WebScrollBar* instance = new WebScrollBar(); + instance->AddRef(); + return instance; +} + +// IUnknown ------------------------------------------------------------------- + +HRESULT STDMETHODCALLTYPE WebScrollBar::QueryInterface(REFIID riid, void** ppvObject) +{ + *ppvObject = 0; + if (IsEqualGUID(riid, IID_IUnknown)) + *ppvObject = static_cast(this); + else if (IsEqualGUID(riid, IID_IWebScrollBarPrivate)) + *ppvObject = static_cast(this); + else + return E_NOINTERFACE; + + AddRef(); + return S_OK; +} + +ULONG STDMETHODCALLTYPE WebScrollBar::AddRef(void) +{ + return ++m_refCount; +} + +ULONG STDMETHODCALLTYPE WebScrollBar::Release(void) +{ + ULONG newRef = --m_refCount; + if (!newRef) + delete(this); + + return newRef; +} + +// IWebScrollBarPrivate ------------------------------------------------------------------ +HRESULT STDMETHODCALLTYPE WebScrollBar::init( + /* [in] */ IWebScrollBarDelegatePrivate* delegate, + /* [in] */ OLE_HANDLE containingWindow, + /* [in] */ WebScrollBarOrientation orientation, + /* [in] */ WebScrollBarControlSize controlSize) +{ + if (!delegate || !containingWindow) + return E_FAIL; + ScrollbarOrientation webCoreOrientation = (ScrollbarOrientation) orientation; + ScrollbarControlSize webCoreControlSize = (ScrollbarControlSize) controlSize; + m_delegate = delegate; + m_scrollBar = Scrollbar::createNativeScrollbar(this, webCoreOrientation, webCoreControlSize); + if (!m_scrollBar) + return E_FAIL; + m_containingWindow = (HWND)(ULONG64)containingWindow; + return S_OK; +} + +HRESULT STDMETHODCALLTYPE WebScrollBar::setEnabled( + /* [in] */ BOOL enabled) +{ + m_scrollBar->setEnabled(!!enabled); + return S_OK; +} + +HRESULT STDMETHODCALLTYPE WebScrollBar::setSteps( + /* [in] */ int lineStep, + /* [in] */ int pageStep) +{ + m_scrollBar->setSteps(lineStep, pageStep); + return S_OK; +} + +HRESULT STDMETHODCALLTYPE WebScrollBar::setProportion( + /* [in] */ int visibleSize, + /* [in] */ int totalSize) +{ + m_scrollBar->setProportion(visibleSize, totalSize); + return S_OK; +} + +HRESULT STDMETHODCALLTYPE WebScrollBar::setRect( + /* [in] */ RECT bounds) +{ + IntRect rect(bounds.left, bounds.top, bounds.right-bounds.left, bounds.bottom-bounds.top); + m_scrollBar->setFrameRect(rect); + return S_OK; +} + +HRESULT STDMETHODCALLTYPE WebScrollBar::setValue( + /* [in] */ int value) +{ + m_scrollBar->setValue(value); + return S_OK; +} + +HRESULT STDMETHODCALLTYPE WebScrollBar::value( + /* [retval][out] */ int* value) +{ + if (!value) + return E_POINTER; + *value = m_scrollBar->value(); + return S_OK; +} + +HRESULT STDMETHODCALLTYPE WebScrollBar::paint( + /* [in] */ HDC dc, + /* [in] */ RECT damageRect) +{ + GraphicsContext context(dc); + IntRect rect(damageRect.left, damageRect.top, damageRect.right-damageRect.left, damageRect.bottom-damageRect.top); + m_scrollBar->paint(&context, rect); + return S_OK; +} + +HRESULT STDMETHODCALLTYPE WebScrollBar::frameRect( + /* [retval][out] */ RECT* bounds) +{ + if (!bounds) + return E_POINTER; + IntRect rect = m_scrollBar->frameRect(); + bounds->left = rect.x(); + bounds->right = rect.right(); + bounds->top = rect.y(); + bounds->bottom = rect.bottom(); + return S_OK; +} + +HRESULT STDMETHODCALLTYPE WebScrollBar::width( + /* [retval][out] */ int* w) +{ + if (!w) + return E_POINTER; + *w = m_scrollBar->width(); + return S_OK; +} + +HRESULT STDMETHODCALLTYPE WebScrollBar::height( + /* [retval][out] */ int* h) +{ + if (!h) + return E_POINTER; + *h = m_scrollBar->height(); + return S_OK; +} + +HRESULT STDMETHODCALLTYPE WebScrollBar::requestedWidth( + /* [retval][out] */ int* w) +{ + if (!w) + return E_POINTER; + + *w = m_scrollBar->orientation() == VerticalScrollbar ? ScrollbarTheme::nativeTheme()->scrollbarThickness(m_scrollBar->controlSize()) : -1; + return S_OK; +} + +HRESULT STDMETHODCALLTYPE WebScrollBar::requestedHeight( + /* [retval][out] */ int* h) +{ + if (!h) + return E_POINTER; + + *h = m_scrollBar->orientation() == HorizontalScrollbar ? ScrollbarTheme::nativeTheme()->scrollbarThickness(m_scrollBar->controlSize()) : -1; + return S_OK; +} + + +HRESULT STDMETHODCALLTYPE WebScrollBar::handleMouseEvent( + OLE_HANDLE window, + UINT msg, + WPARAM wParam, + LPARAM lParam) +{ + PlatformMouseEvent mouseEvent((HWND)(ULONG64)window, msg, wParam, lParam); + switch (msg) { + case WM_LBUTTONDOWN: + m_scrollBar->mouseDown(mouseEvent); + break; + case WM_LBUTTONUP: + m_scrollBar->mouseUp(); + break; + case WM_MOUSEMOVE: + m_scrollBar->mouseMoved(mouseEvent); + break; + } + + return S_OK; +} + +HRESULT STDMETHODCALLTYPE WebScrollBar::scroll( + WebScrollDirection direction, + WebScrollGranularity granularity, + float multiplier) +{ + ScrollDirection webCoreScrollDirection = (ScrollDirection) direction; + ScrollGranularity webCoreGranularity = (ScrollGranularity) granularity; + m_scrollBar->scroll(webCoreScrollDirection, webCoreGranularity, multiplier); + return S_OK; +} + +// ScrollbarClient ------------------------------------------------------- +void WebScrollBar::valueChanged(Scrollbar* scrollBar) +{ + if (m_scrollBar != scrollBar) { + ASSERT(false); // shouldn't happen + return; + } + m_delegate->valueChanged(this); +} + +void WebScrollBar::invalidateScrollbarRect(Scrollbar*, const IntRect& rect) +{ + RECT r = rect; + ::InvalidateRect(m_containingWindow, &r, false); +}