--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/webengine/osswebengine/WebKit/win/WebScrollBar.cpp Mon Mar 30 12:54:55 2009 +0300
@@ -0,0 +1,266 @@
+/*
+ * 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 <WebCore/GraphicsContext.h>
+#include <WebCore/PlatformMouseEvent.h>
+#include <WebCore/PlatformScrollBar.h>
+#pragma warning(pop)
+
+using namespace WebCore;
+
+// WebScrollBar ---------------------------------------------------------------------
+
+WebScrollBar::WebScrollBar()
+ : m_refCount(0)
+{
+ gClassCount++;
+}
+
+WebScrollBar::~WebScrollBar()
+{
+ gClassCount--;
+}
+
+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<IUnknown*>(this);
+ else if (IsEqualGUID(riid, IID_IWebScrollBarPrivate))
+ *ppvObject = static_cast<IWebScrollBarPrivate*>(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 = new PlatformScrollbar(this, webCoreOrientation, webCoreControlSize);
+ if (!m_scrollBar)
+ return E_FAIL;
+ m_scrollBar->setContainingWindow((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->setRect(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::frameGeometry(
+ /* [retval][out] */ RECT* bounds)
+{
+ if (!bounds)
+ return E_POINTER;
+ IntRect rect = m_scrollBar->frameGeometry();
+ 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 ? PlatformScrollbar::verticalScrollbarWidth(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 ? PlatformScrollbar::horizontalScrollbarHeight(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->handleMousePressEvent(mouseEvent);
+ break;
+ case WM_LBUTTONUP:
+ m_scrollBar->handleMouseReleaseEvent(mouseEvent);
+ break;
+ case WM_MOUSEMOVE:
+ m_scrollBar->handleMouseMoveEvent(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);
+}
+
+IntRect WebScrollBar::windowClipRect() const
+{
+ HWND sbContainingWindow = m_scrollBar->containingWindow();
+ RECT clientRect;
+ ::GetClientRect(sbContainingWindow, &clientRect);
+ return IntRect(clientRect.left, clientRect.top, clientRect.right-clientRect.left, clientRect.bottom-clientRect.top);
+}