diff options
Diffstat (limited to 'Source/WebCore/plugins/win/PluginViewWin.cpp')
| -rw-r--r-- | Source/WebCore/plugins/win/PluginViewWin.cpp | 1081 |
1 files changed, 0 insertions, 1081 deletions
diff --git a/Source/WebCore/plugins/win/PluginViewWin.cpp b/Source/WebCore/plugins/win/PluginViewWin.cpp deleted file mode 100644 index fa3ad1855..000000000 --- a/Source/WebCore/plugins/win/PluginViewWin.cpp +++ /dev/null @@ -1,1081 +0,0 @@ -/* - * Copyright (C) 2006, 2007, 2008, 2013 Apple Inc. All rights reserved. - * Copyright (C) 2008 Collabora Ltd. All rights reserved. - * Copyright (C) 2008-2009 Torch Mobile, 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 "PluginView.h" - -#include "BitmapImage.h" -#include "BitmapInfo.h" -#include "BridgeJSC.h" -#include "Chrome.h" -#include "ChromeClient.h" -#include "Document.h" -#include "DocumentLoader.h" -#include "Element.h" -#include "EventNames.h" -#include "FocusController.h" -#include "Frame.h" -#include "FrameLoadRequest.h" -#include "FrameLoader.h" -#include "FrameTree.h" -#include "FrameView.h" -#include "GraphicsContext.h" -#include "HTMLNames.h" -#include "HTMLPlugInElement.h" -#include "HostWindow.h" -#include "Image.h" -#include "JSDOMBinding.h" -#include "JSDOMWindow.h" -#include "KeyboardEvent.h" -#include "LocalWindowsContext.h" -#include "MIMETypeRegistry.h" -#include "MouseEvent.h" -#include "Page.h" -#include "PlatformMouseEvent.h" -#include "PluginDatabase.h" -#include "PluginDebug.h" -#include "PluginMainThreadScheduler.h" -#include "PluginMessageThrottlerWin.h" -#include "PluginPackage.h" -#include "RenderWidget.h" -#include "Settings.h" -#include "WebCoreInstanceHandle.h" -#include "c_instance.h" -#include "npruntime_impl.h" -#include "runtime_root.h" -#include <runtime/JSCJSValue.h> -#include <runtime/JSLock.h> -#include <wtf/ASCIICType.h> -#include <wtf/text/WTFString.h> -#include <wtf/win/GDIObject.h> - -#if OS(WINCE) -#undef LOG_NPERROR -#define LOG_NPERROR(x) -#undef LOG_PLUGIN_NET_ERROR -#define LOG_PLUGIN_NET_ERROR() -#endif - -#if USE(CAIRO) -#include "PlatformContextCairo.h" -#include <cairo-win32.h> -#endif - -#if PLATFORM(GTK) -#include <gdk/gdkwin32.h> -#include <gtk/gtk.h> -#endif - -static inline HWND windowHandleForPageClient(PlatformPageClient client) -{ -#if PLATFORM(GTK) - if (!client) - return 0; - if (GdkWindow* window = gtk_widget_get_window(client)) - return static_cast<HWND>(GDK_WINDOW_HWND(window)); - return 0; -#else - return client; -#endif -} - -using JSC::ExecState; -using JSC::JSLock; -using JSC::JSObject; - -using std::min; - -using namespace WTF; - -namespace WebCore { - -using namespace HTMLNames; - -const LPCWSTR kWebPluginViewdowClassName = L"WebPluginView"; -const LPCWSTR kWebPluginViewProperty = L"WebPluginViewProperty"; - -#if !OS(WINCE) -// The code used to hook BeginPaint/EndPaint originally came from -// <http://www.fengyuan.com/article/wmprint.html>. -// Copyright (C) 2000 by Feng Yuan (www.fengyuan.com). - -static unsigned beginPaintSysCall; -static BYTE* beginPaint; - -static unsigned endPaintSysCall; -static BYTE* endPaint; - -typedef HDC (WINAPI *PtrBeginPaint)(HWND, PAINTSTRUCT*); -typedef BOOL (WINAPI *PtrEndPaint)(HWND, const PAINTSTRUCT*); - -#if OS(WINDOWS) && CPU(X86_64) && COMPILER(MSVC) -extern "C" HDC __stdcall _HBeginPaint(HWND hWnd, LPPAINTSTRUCT lpPaint); -extern "C" BOOL __stdcall _HEndPaint(HWND hWnd, const PAINTSTRUCT* lpPaint); -#endif - -HDC WINAPI PluginView::hookedBeginPaint(HWND hWnd, PAINTSTRUCT* lpPaint) -{ - PluginView* pluginView = reinterpret_cast<PluginView*>(GetProp(hWnd, kWebPluginViewProperty)); - if (pluginView && pluginView->m_wmPrintHDC) { - // We're secretly handling WM_PRINTCLIENT, so set up the PAINTSTRUCT so - // that the plugin will paint into the HDC we provide. - memset(lpPaint, 0, sizeof(PAINTSTRUCT)); - lpPaint->hdc = pluginView->m_wmPrintHDC; - GetClientRect(hWnd, &lpPaint->rcPaint); - return pluginView->m_wmPrintHDC; - } - -#if COMPILER(GCC) - HDC result; - asm ("push %2\n" - "push %3\n" - "call *%4\n" - : "=a" (result) - : "a" (beginPaintSysCall), "g" (lpPaint), "g" (hWnd), "m" (beginPaint) - : "memory" - ); - return result; -#elif defined(_M_IX86) - // Call through to the original BeginPaint. - __asm mov eax, beginPaintSysCall - __asm push lpPaint - __asm push hWnd - __asm call beginPaint -#else - return _HBeginPaint(hWnd, lpPaint); -#endif -} - -BOOL WINAPI PluginView::hookedEndPaint(HWND hWnd, const PAINTSTRUCT* lpPaint) -{ - PluginView* pluginView = reinterpret_cast<PluginView*>(GetProp(hWnd, kWebPluginViewProperty)); - if (pluginView && pluginView->m_wmPrintHDC) { - // We're secretly handling WM_PRINTCLIENT, so we don't have to do any - // cleanup. - return TRUE; - } - -#if COMPILER(GCC) - BOOL result; - asm ("push %2\n" - "push %3\n" - "call *%4\n" - : "=a" (result) - : "a" (endPaintSysCall), "g" (lpPaint), "g" (hWnd), "m" (endPaint) - ); - return result; -#elif defined (_M_IX86) - // Call through to the original EndPaint. - __asm mov eax, endPaintSysCall - __asm push lpPaint - __asm push hWnd - __asm call endPaint -#else - return _HEndPaint(hWnd, lpPaint); -#endif -} - -static void hook(const char* module, const char* proc, unsigned& sysCallID, BYTE*& pProc, const void* pNewProc) -{ - // See <http://www.fengyuan.com/article/wmprint.html> for an explanation of - // how this function works. - - HINSTANCE hMod = GetModuleHandleA(module); - - pProc = reinterpret_cast<BYTE*>(reinterpret_cast<ptrdiff_t>(GetProcAddress(hMod, proc))); - -#if COMPILER(GCC) || defined(_M_IX86) - if (pProc[0] != 0xB8) - return; - - // FIXME: Should we be reading the bytes one-by-one instead of doing an - // unaligned read? - sysCallID = *reinterpret_cast<unsigned*>(pProc + 1); - - DWORD flOldProtect; - if (!VirtualProtect(pProc, 5, PAGE_EXECUTE_READWRITE, &flOldProtect)) - return; - - pProc[0] = 0xE9; - *reinterpret_cast<unsigned*>(pProc + 1) = reinterpret_cast<intptr_t>(pNewProc) - reinterpret_cast<intptr_t>(pProc + 5); - - pProc += 5; -#else - /* Disassembly of BeginPaint() - 00000000779FC5B0 4C 8B D1 mov r10,rcx - 00000000779FC5B3 B8 17 10 00 00 mov eax,1017h - 00000000779FC5B8 0F 05 syscall - 00000000779FC5BA C3 ret - 00000000779FC5BB 90 nop - 00000000779FC5BC 90 nop - 00000000779FC5BD 90 nop - 00000000779FC5BE 90 nop - 00000000779FC5BF 90 nop - 00000000779FC5C0 90 nop - 00000000779FC5C1 90 nop - 00000000779FC5C2 90 nop - 00000000779FC5C3 90 nop - */ - // Check for the signature as in the above disassembly - DWORD guard = 0xB8D18B4C; - if (*reinterpret_cast<DWORD*>(pProc) != guard) - return; - - DWORD flOldProtect; - VirtualProtect(pProc, 12, PAGE_EXECUTE_READWRITE, & flOldProtect); - pProc[0] = 0x48; // mov rax, this - pProc[1] = 0xb8; - *(__int64*)(pProc+2) = (__int64)pNewProc; - pProc[10] = 0xff; // jmp rax - pProc[11] = 0xe0; -#endif -} - -static void setUpOffscreenPaintingHooks(HDC (WINAPI*hookedBeginPaint)(HWND, PAINTSTRUCT*), BOOL (WINAPI*hookedEndPaint)(HWND, const PAINTSTRUCT*)) -{ - static bool haveHooked = false; - if (haveHooked) - return; - haveHooked = true; - - // Most (all?) windowed plugins don't seem to respond to WM_PRINTCLIENT, so - // we hook into BeginPaint/EndPaint to allow their normal WM_PAINT handling - // to draw into a given HDC. Note that this hooking affects the entire - // process. - hook("user32.dll", "BeginPaint", beginPaintSysCall, beginPaint, reinterpret_cast<const void *>(reinterpret_cast<ptrdiff_t>(hookedBeginPaint))); - hook("user32.dll", "EndPaint", endPaintSysCall, endPaint, reinterpret_cast<const void *>(reinterpret_cast<ptrdiff_t>(hookedEndPaint))); - -} -#endif - -static bool registerPluginView() -{ - static bool haveRegisteredWindowClass = false; - if (haveRegisteredWindowClass) - return true; - - haveRegisteredWindowClass = true; - -#if PLATFORM(GTK) - WebCore::setInstanceHandle((HINSTANCE)(GetModuleHandle(0))); -#endif - - ASSERT(WebCore::instanceHandle()); - -#if OS(WINCE) - WNDCLASS wcex = { 0 }; -#else - WNDCLASSEX wcex; - wcex.cbSize = sizeof(WNDCLASSEX); - wcex.hIconSm = 0; -#endif - - wcex.style = CS_DBLCLKS; -#if OS(WINCE) - wcex.style |= CS_PARENTDC; -#endif - wcex.lpfnWndProc = DefWindowProc; - wcex.cbClsExtra = 0; - wcex.cbWndExtra = 0; - wcex.hInstance = WebCore::instanceHandle(); - wcex.hIcon = 0; - wcex.hCursor = LoadCursor(0, IDC_ARROW); - wcex.hbrBackground = (HBRUSH)COLOR_WINDOW; - wcex.lpszMenuName = 0; - wcex.lpszClassName = kWebPluginViewdowClassName; - -#if OS(WINCE) - return !!RegisterClass(&wcex); -#else - return !!RegisterClassEx(&wcex); -#endif -} - -LRESULT CALLBACK PluginView::PluginViewWndProc(HWND hWnd, UINT message, WPARAM wParam, LPARAM lParam) -{ - PluginView* pluginView = reinterpret_cast<PluginView*>(GetProp(hWnd, kWebPluginViewProperty)); - - return pluginView->wndProc(hWnd, message, wParam, lParam); -} - -static bool isWindowsMessageUserGesture(UINT message) -{ - switch (message) { - case WM_LBUTTONUP: - case WM_MBUTTONUP: - case WM_RBUTTONUP: - case WM_KEYUP: - return true; - default: - return false; - } -} - -static inline IntPoint contentsToNativeWindow(FrameView* view, const IntPoint& point) -{ - return view->contentsToWindow(point); -} - -static inline IntRect contentsToNativeWindow(FrameView* view, const IntRect& rect) -{ - return view->contentsToWindow(rect); -} - -LRESULT -PluginView::wndProc(HWND hWnd, UINT message, WPARAM wParam, LPARAM lParam) -{ - // <rdar://5711136> Sometimes Flash will call SetCapture before creating - // a full-screen window and will not release it, which causes the - // full-screen window to never receive mouse events. We set/release capture - // on mouse down/up before sending the event to the plug-in to prevent that. - switch (message) { - case WM_LBUTTONDOWN: - case WM_MBUTTONDOWN: - case WM_RBUTTONDOWN: - ::SetCapture(hWnd); - break; - case WM_LBUTTONUP: - case WM_MBUTTONUP: - case WM_RBUTTONUP: - ::ReleaseCapture(); - break; - } - - if (message == m_lastMessage && - m_plugin->quirks().contains(PluginQuirkDontCallWndProcForSameMessageRecursively) && - m_isCallingPluginWndProc) - return 1; - - if (message == WM_USER + 1 && - m_plugin->quirks().contains(PluginQuirkThrottleWMUserPlusOneMessages)) { - if (!m_messageThrottler) - m_messageThrottler = adoptPtr(new PluginMessageThrottlerWin(this)); - - m_messageThrottler->appendMessage(hWnd, message, wParam, lParam); - return 0; - } - - m_lastMessage = message; - m_isCallingPluginWndProc = true; - - // If the plug-in doesn't explicitly support changing the pop-up state, we enable - // popups for all user gestures. - // Note that we need to pop the state in a timer, because the Flash plug-in - // pops up windows in response to a posted message. - if (m_plugin->pluginFuncs()->version < NPVERS_HAS_POPUPS_ENABLED_STATE && - isWindowsMessageUserGesture(message) && !m_popPopupsStateTimer.isActive()) { - - pushPopupsEnabledState(true); - - m_popPopupsStateTimer.startOneShot(0); - } - -#if !OS(WINCE) - if (message == WM_PRINTCLIENT) { - // Most (all?) windowed plugins don't respond to WM_PRINTCLIENT, so we - // change the message to WM_PAINT and rely on our hooked versions of - // BeginPaint/EndPaint to make the plugin draw into the given HDC. - message = WM_PAINT; - m_wmPrintHDC = reinterpret_cast<HDC>(wParam); - } -#endif - - // Call the plug-in's window proc. - LRESULT result = ::CallWindowProc(m_pluginWndProc, hWnd, message, wParam, lParam); - - m_wmPrintHDC = 0; - - m_isCallingPluginWndProc = false; - - return result; -} - -void PluginView::updatePluginWidget() -{ - if (!parent()) - return; - - ASSERT(parent()->isFrameView()); - FrameView* frameView = toFrameView(parent()); - - IntRect oldWindowRect = m_windowRect; - IntRect oldClipRect = m_clipRect; - -#if OS(WINCE) - m_windowRect = frameView->contentsToWindow(frameRect()); -#else - m_windowRect = IntRect(frameView->contentsToWindow(frameRect().location()), frameRect().size()); -#endif - m_clipRect = windowClipRect(); - m_clipRect.move(-m_windowRect.x(), -m_windowRect.y()); - - if (platformPluginWidget() && (!m_haveUpdatedPluginWidget || m_windowRect != oldWindowRect || m_clipRect != oldClipRect)) { - - setCallingPlugin(true); - - // To prevent flashes while scrolling, we disable drawing during the window - // update process by clipping the window to the zero rect. - - bool clipToZeroRect = !m_plugin->quirks().contains(PluginQuirkDontClipToZeroRectWhenScrolling); - - if (clipToZeroRect) { - auto rgn = adoptGDIObject(::CreateRectRgn(0, 0, 0, 0)); - ::SetWindowRgn(platformPluginWidget(), rgn.leak(), FALSE); - } else { - auto rgn = adoptGDIObject(::CreateRectRgn(m_clipRect.x(), m_clipRect.y(), m_clipRect.maxX(), m_clipRect.maxY())); - ::SetWindowRgn(platformPluginWidget(), rgn.leak(), TRUE); - } - - if (!m_haveUpdatedPluginWidget || m_windowRect != oldWindowRect) - ::MoveWindow(platformPluginWidget(), m_windowRect.x(), m_windowRect.y(), m_windowRect.width(), m_windowRect.height(), TRUE); - - if (clipToZeroRect) { - auto rgn = adoptGDIObject(::CreateRectRgn(m_clipRect.x(), m_clipRect.y(), m_clipRect.maxX(), m_clipRect.maxY())); - ::SetWindowRgn(platformPluginWidget(), rgn.leak(), TRUE); - } - - setCallingPlugin(false); - - m_haveUpdatedPluginWidget = true; - } -} - -void PluginView::setFocus(bool focused) -{ - if (focused && platformPluginWidget()) - SetFocus(platformPluginWidget()); - - Widget::setFocus(focused); - - if (!m_plugin || m_isWindowed) - return; - - NPEvent npEvent; - - npEvent.event = focused ? WM_SETFOCUS : WM_KILLFOCUS; - npEvent.wParam = 0; - npEvent.lParam = 0; - - dispatchNPEvent(npEvent); -} - -void PluginView::show() -{ - setSelfVisible(true); - - if (isParentVisible() && platformPluginWidget()) - ShowWindow(platformPluginWidget(), SW_SHOWNA); - - Widget::show(); -} - -void PluginView::hide() -{ - setSelfVisible(false); - - if (isParentVisible() && platformPluginWidget()) - ShowWindow(platformPluginWidget(), SW_HIDE); - - Widget::hide(); -} - -bool PluginView::dispatchNPEvent(NPEvent& npEvent) -{ - if (!m_plugin->pluginFuncs()->event) - return true; - - bool shouldPop = false; - - if (m_plugin->pluginFuncs()->version < NPVERS_HAS_POPUPS_ENABLED_STATE && isWindowsMessageUserGesture(npEvent.event)) { - pushPopupsEnabledState(true); - shouldPop = true; - } - - JSC::JSLock::DropAllLocks dropAllLocks(JSDOMWindowBase::commonVM()); - setCallingPlugin(true); - bool accepted = !m_plugin->pluginFuncs()->event(m_instance, &npEvent); - setCallingPlugin(false); - - if (shouldPop) - popPopupsEnabledState(); - - return accepted; -} - -void PluginView::paintIntoTransformedContext(HDC hdc) -{ - if (m_isWindowed) { -#if !OS(WINCE) - SendMessage(platformPluginWidget(), WM_PRINTCLIENT, reinterpret_cast<WPARAM>(hdc), PRF_CLIENT | PRF_CHILDREN | PRF_OWNED); -#endif - return; - } - - m_npWindow.type = NPWindowTypeDrawable; - m_npWindow.window = hdc; - - WINDOWPOS windowpos = { 0, 0, 0, 0, 0, 0, 0 }; - - IntRect r = contentsToNativeWindow(toFrameView(parent()), frameRect()); - - windowpos.x = r.x(); - windowpos.y = r.y(); - windowpos.cx = r.width(); - windowpos.cy = r.height(); - - NPEvent npEvent; - npEvent.event = WM_WINDOWPOSCHANGED; - npEvent.lParam = reinterpret_cast<uintptr_t>(&windowpos); - npEvent.wParam = 0; - - dispatchNPEvent(npEvent); - - setNPWindowRect(frameRect()); - - npEvent.event = WM_PAINT; - npEvent.wParam = reinterpret_cast<uintptr_t>(hdc); - - // This is supposed to be a pointer to the dirty rect, but it seems that the Flash plugin - // ignores it so we just pass null. - npEvent.lParam = 0; - - dispatchNPEvent(npEvent); -} - -void PluginView::paintWindowedPluginIntoContext(GraphicsContext* context, const IntRect& rect) -{ -#if !USE(WINGDI) - ASSERT(m_isWindowed); - ASSERT(context->shouldIncludeChildWindows()); - - ASSERT(parent()->isFrameView()); - IntPoint locationInWindow = toFrameView(parent())->convertToContainingWindow(frameRect().location()); - - LocalWindowsContext windowsContext(context, frameRect(), false); - -#if USE(CAIRO) - // Must flush drawings up to this point to the backing metafile, otherwise the - // plugin region will be overwritten with any clear regions specified in the - // cairo-controlled portions of the rendering. - cairo_show_page(context->platformContext()->cr()); -#endif - - HDC hdc = windowsContext.hdc(); - XFORM originalTransform; - GetWorldTransform(hdc, &originalTransform); - - // The plugin expects the DC to be in client coordinates, so we translate - // the DC to make that so. - AffineTransform ctm = context->getCTM(); - ctm.translate(locationInWindow.x(), locationInWindow.y()); - XFORM transform = static_cast<XFORM>(ctm.toTransformationMatrix()); - - SetWorldTransform(hdc, &transform); - - paintIntoTransformedContext(hdc); - - SetWorldTransform(hdc, &originalTransform); -#endif -} - -void PluginView::paint(GraphicsContext* context, const IntRect& rect) -{ - if (!m_isStarted) { - // Draw the "missing plugin" image - paintMissingPluginIcon(context, rect); - return; - } - - if (context->paintingDisabled()) - return; - - // Ensure that we have called SetWindow before we try to paint. - if (!m_haveCalledSetWindow) - setNPWindowRect(frameRect()); - - if (m_isWindowed) { -#if !USE(WINGDI) - if (context->shouldIncludeChildWindows()) - paintWindowedPluginIntoContext(context, rect); -#endif - return; - } - - ASSERT(parent()->isFrameView()); - - // In the GTK and Qt ports we draw in an offscreen buffer and don't want to use the window - // coordinates. -#if PLATFORM(GTK) - IntRect rectInWindow(rect); - rectInWindow.intersect(frameRect()); -#else - IntRect rectInWindow = toFrameView(parent())->contentsToWindow(frameRect()); -#endif - LocalWindowsContext windowsContext(context, rectInWindow, m_isTransparent); - - // On Safari/Windows without transparency layers the GraphicsContext returns the HDC - // of the window and the plugin expects that the passed in DC has window coordinates. - // In the GTK and Qt ports we always draw in an offscreen buffer and therefore need - // to preserve the translation set in getWindowsContext. -#if !PLATFORM(GTK) && !OS(WINCE) - if (!context->isInTransparencyLayer()) { - XFORM transform; - GetWorldTransform(windowsContext.hdc(), &transform); - transform.eDx = 0; - transform.eDy = 0; - SetWorldTransform(windowsContext.hdc(), &transform); - } -#endif - - paintIntoTransformedContext(windowsContext.hdc()); -} - -void PluginView::handleKeyboardEvent(KeyboardEvent* event) -{ - ASSERT(m_plugin && !m_isWindowed); - - NPEvent npEvent; - - npEvent.wParam = event->keyCode(); - - if (event->type() == eventNames().keydownEvent) { - npEvent.event = WM_KEYDOWN; - npEvent.lParam = 0; - } else if (event->type() == eventNames().keypressEvent) { - npEvent.event = WM_CHAR; - npEvent.lParam = 0; - } else if (event->type() == eventNames().keyupEvent) { - npEvent.event = WM_KEYUP; - npEvent.lParam = 0x8000; - } else - return; - - JSC::JSLock::DropAllLocks dropAllLocks(JSDOMWindowBase::commonVM()); - if (dispatchNPEvent(npEvent)) - event->setDefaultHandled(); -} - -#if !OS(WINCE) -extern bool ignoreNextSetCursor; -#endif - -void PluginView::handleMouseEvent(MouseEvent* event) -{ - ASSERT(m_plugin && !m_isWindowed); - - NPEvent npEvent; - - IntPoint p = contentsToNativeWindow(toFrameView(parent()), IntPoint(event->pageX(), event->pageY())); - - npEvent.lParam = MAKELPARAM(p.x(), p.y()); - npEvent.wParam = 0; - - if (event->ctrlKey()) - npEvent.wParam |= MK_CONTROL; - if (event->shiftKey()) - npEvent.wParam |= MK_SHIFT; - - if (event->type() == eventNames().mousemoveEvent || - event->type() == eventNames().mouseoutEvent || - event->type() == eventNames().mouseoverEvent) { - npEvent.event = WM_MOUSEMOVE; - if (event->buttonDown()) - switch (event->button()) { - case LeftButton: - npEvent.wParam |= MK_LBUTTON; - break; - case MiddleButton: - npEvent.wParam |= MK_MBUTTON; - break; - case RightButton: - npEvent.wParam |= MK_RBUTTON; - break; - } - } - else if (event->type() == eventNames().mousedownEvent) { - focusPluginElement(); - switch (event->button()) { - case 0: - npEvent.event = WM_LBUTTONDOWN; - break; - case 1: - npEvent.event = WM_MBUTTONDOWN; - break; - case 2: - npEvent.event = WM_RBUTTONDOWN; - break; - } - } else if (event->type() == eventNames().mouseupEvent) { - switch (event->button()) { - case 0: - npEvent.event = WM_LBUTTONUP; - break; - case 1: - npEvent.event = WM_MBUTTONUP; - break; - case 2: - npEvent.event = WM_RBUTTONUP; - break; - } - } else - return; - - JSC::JSLock::DropAllLocks dropAllLocks(JSDOMWindowBase::commonVM()); - // FIXME: Consider back porting the http://webkit.org/b/58108 fix here. - if (dispatchNPEvent(npEvent)) - event->setDefaultHandled(); - -#if !PLATFORM(GTK) && !OS(WINCE) - // Currently, Widget::setCursor is always called after this function in EventHandler.cpp - // and since we don't want that we set ignoreNextSetCursor to true here to prevent that. - ignoreNextSetCursor = true; - if (Page* page = m_parentFrame->page()) - page->chrome().client().setLastSetCursorToCurrentCursor(); -#endif -} - -void PluginView::setParent(ScrollView* parent) -{ - Widget::setParent(parent); - -#if OS(WINCE) - if (parent) { - init(); - if (parent->isVisible()) - show(); - else - hide(); - } -#else - if (parent) - init(); - else { - if (!platformPluginWidget()) - return; - - // If the plug-in window or one of its children have the focus, we need to - // clear it to prevent the web view window from being focused because that can - // trigger a layout while the plugin element is being detached. - HWND focusedWindow = ::GetFocus(); - if (platformPluginWidget() == focusedWindow || ::IsChild(platformPluginWidget(), focusedWindow)) - ::SetFocus(0); - } -#endif -} - -void PluginView::setParentVisible(bool visible) -{ - if (isParentVisible() == visible) - return; - - Widget::setParentVisible(visible); - - if (isSelfVisible() && platformPluginWidget()) { - if (visible) - ShowWindow(platformPluginWidget(), SW_SHOWNA); - else - ShowWindow(platformPluginWidget(), SW_HIDE); - } -} - -void PluginView::setNPWindowRect(const IntRect& rect) -{ - if (!m_isStarted) - return; - -#if OS(WINCE) - IntRect r = toFrameView(parent())->contentsToWindow(rect); - m_npWindow.x = r.x(); - m_npWindow.y = r.y(); - - m_npWindow.width = r.width(); - m_npWindow.height = r.height(); - - m_npWindow.clipRect.right = r.width(); - m_npWindow.clipRect.bottom = r.height(); -#else - // In the GTK and Qt ports we draw in an offscreen buffer and don't want to use the window - // coordinates. -# if PLATFORM(GTK) - IntPoint p = rect.location(); -# else - IntPoint p = toFrameView(parent())->contentsToWindow(rect.location()); -# endif - m_npWindow.x = p.x(); - m_npWindow.y = p.y(); - - m_npWindow.width = rect.width(); - m_npWindow.height = rect.height(); - - m_npWindow.clipRect.right = rect.width(); - m_npWindow.clipRect.bottom = rect.height(); -#endif - m_npWindow.clipRect.left = 0; - m_npWindow.clipRect.top = 0; - - if (m_plugin->pluginFuncs()->setwindow) { - JSC::JSLock::DropAllLocks dropAllLocks(JSDOMWindowBase::commonVM()); - setCallingPlugin(true); - m_plugin->pluginFuncs()->setwindow(m_instance, &m_npWindow); - setCallingPlugin(false); - - m_haveCalledSetWindow = true; - - if (!m_isWindowed) - return; - - ASSERT(platformPluginWidget()); - -#if OS(WINCE) - if (!m_pluginWndProc) { - WNDPROC currentWndProc = (WNDPROC)GetWindowLong(platformPluginWidget(), GWL_WNDPROC); - if (currentWndProc != PluginViewWndProc) - m_pluginWndProc = (WNDPROC)SetWindowLong(platformPluginWidget(), GWL_WNDPROC, (LONG)PluginViewWndProc); - } -#else - WNDPROC currentWndProc = (WNDPROC)GetWindowLongPtr(platformPluginWidget(), GWLP_WNDPROC); - if (currentWndProc != PluginViewWndProc) - m_pluginWndProc = (WNDPROC)SetWindowLongPtr(platformPluginWidget(), GWLP_WNDPROC, (LONG_PTR)PluginViewWndProc); -#endif - } -} - -NPError PluginView::handlePostReadFile(Vector<char>& buffer, uint32_t len, const char* buf) -{ - String filename(buf, len); - - if (filename.startsWith("file:///")) - filename = filename.substring(8); - - // Get file info - WIN32_FILE_ATTRIBUTE_DATA attrs; - if (GetFileAttributesExW(filename.charactersWithNullTermination().data(), GetFileExInfoStandard, &attrs) == 0) - return NPERR_FILE_NOT_FOUND; - - if (attrs.dwFileAttributes & FILE_ATTRIBUTE_DIRECTORY) - return NPERR_FILE_NOT_FOUND; - - HANDLE fileHandle = CreateFileW(filename.charactersWithNullTermination().data(), FILE_READ_DATA, FILE_SHARE_READ, 0, OPEN_EXISTING, 0, 0); - - if (fileHandle == INVALID_HANDLE_VALUE) - return NPERR_FILE_NOT_FOUND; - - buffer.resize(attrs.nFileSizeLow); - - DWORD bytesRead; - int retval = ReadFile(fileHandle, buffer.data(), attrs.nFileSizeLow, &bytesRead, 0); - - CloseHandle(fileHandle); - - if (retval == 0 || bytesRead != attrs.nFileSizeLow) - return NPERR_FILE_NOT_FOUND; - - return NPERR_NO_ERROR; -} - -bool PluginView::platformGetValueStatic(NPNVariable, void*, NPError*) -{ - return false; -} - -bool PluginView::platformGetValue(NPNVariable variable, void* value, NPError* result) -{ - switch (variable) { - case NPNVnetscapeWindow: { - HWND* w = reinterpret_cast<HWND*>(value); - *w = windowHandleForPageClient(parent() ? parent()->hostWindow()->platformPageClient() : 0); - *result = NPERR_NO_ERROR; - return true; - } - - case NPNVSupportsWindowless: { - NPBool* flag = reinterpret_cast<NPBool*>(value); - *flag = TRUE; - *result = NPERR_NO_ERROR; - return true; - } - - default: - return false; - } -} - -void PluginView::invalidateRect(const IntRect& rect) -{ - if (m_isWindowed) { - RECT invalidRect = { rect.x(), rect.y(), rect.maxX(), rect.maxY() }; - ::InvalidateRect(platformPluginWidget(), &invalidRect, false); - return; - } - - invalidateWindowlessPluginRect(rect); -} - -void PluginView::invalidateRect(NPRect* rect) -{ - if (!rect) { - invalidate(); - return; - } - - IntRect r(rect->left, rect->top, rect->right - rect->left, rect->bottom - rect->top); - - if (m_isWindowed) { - RECT invalidRect = { r.x(), r.y(), r.maxX(), r.maxY() }; - InvalidateRect(platformPluginWidget(), &invalidRect, FALSE); - } else { - if (m_plugin->quirks().contains(PluginQuirkThrottleInvalidate)) { - m_invalidRects.append(r); - if (!m_invalidateTimer.isActive()) - m_invalidateTimer.startOneShot(0.001); - } else - invalidateRect(r); - } -} - -void PluginView::invalidateRegion(NPRegion region) -{ - if (m_isWindowed) - return; - - RECT r; - - if (GetRgnBox(region, &r) == 0) { - invalidate(); - return; - } - - IntRect rect(IntPoint(r.left, r.top), IntSize(r.right-r.left, r.bottom-r.top)); - invalidateRect(rect); -} - -void PluginView::forceRedraw() -{ - if (m_isWindowed) - ::UpdateWindow(platformPluginWidget()); - else - ::UpdateWindow(windowHandleForPageClient(parent() ? parent()->hostWindow()->platformPageClient() : 0)); -} - -bool PluginView::platformStart() -{ - ASSERT(m_isStarted); - ASSERT(m_status == PluginStatusLoadedSuccessfully); - - if (m_isWindowed) { - registerPluginView(); -#if !OS(WINCE) - setUpOffscreenPaintingHooks(hookedBeginPaint, hookedEndPaint); -#endif - - DWORD flags = WS_CHILD; - if (isSelfVisible()) - flags |= WS_VISIBLE; - - HWND parentWindowHandle = windowHandleForPageClient(m_parentFrame->view()->hostWindow()->platformPageClient()); - HWND window = ::CreateWindowEx(0, kWebPluginViewdowClassName, 0, flags, - 0, 0, 0, 0, parentWindowHandle, 0, WebCore::instanceHandle(), 0); - -#if OS(WINDOWS) && PLATFORM(GTK) - m_window = window; -#else - setPlatformWidget(window); -#endif - - // Calling SetWindowLongPtrA here makes the window proc ASCII, which is required by at least - // the Shockwave Director plug-in. -#if OS(WINDOWS) && CPU(X86_64) - ::SetWindowLongPtrA(platformPluginWidget(), GWLP_WNDPROC, (LONG_PTR)DefWindowProcA); -#elif OS(WINCE) - ::SetWindowLong(platformPluginWidget(), GWL_WNDPROC, (LONG)DefWindowProc); -#else - ::SetWindowLongPtrA(platformPluginWidget(), GWL_WNDPROC, (LONG)DefWindowProcA); -#endif - SetProp(platformPluginWidget(), kWebPluginViewProperty, this); - - m_npWindow.type = NPWindowTypeWindow; - m_npWindow.window = platformPluginWidget(); - } else { - m_npWindow.type = NPWindowTypeDrawable; - m_npWindow.window = 0; - } - - updatePluginWidget(); - - if (!m_plugin->quirks().contains(PluginQuirkDeferFirstSetWindowCall)) - setNPWindowRect(frameRect()); - - return true; -} - -void PluginView::platformDestroy() -{ - if (!platformPluginWidget()) - return; - - DestroyWindow(platformPluginWidget()); - setPlatformPluginWidget(0); -} - -PassRefPtr<Image> PluginView::snapshot() -{ -#if !PLATFORM(GTK) && !USE(WINGDI) - auto hdc = adoptGDIObject(::CreateCompatibleDC(0)); - - if (!m_isWindowed) { - // Enable world transforms. - SetGraphicsMode(hdc.get(), GM_ADVANCED); - - XFORM transform; - GetWorldTransform(hdc.get(), &transform); - - // Windowless plug-ins assume that they're drawing onto the view's DC. - // Translate the context so that the plug-in draws at (0, 0). - ASSERT(parent()->isFrameView()); - IntPoint position = toFrameView(parent())->contentsToWindow(frameRect()).location(); - transform.eDx = -position.x(); - transform.eDy = -position.y(); - SetWorldTransform(hdc.get(), &transform); - } - - void* bits; - BitmapInfo bmp = BitmapInfo::createBottomUp(frameRect().size()); - auto hbmp = adoptGDIObject(::CreateDIBSection(0, &bmp, DIB_RGB_COLORS, &bits, 0, 0)); - - HBITMAP hbmpOld = static_cast<HBITMAP>(SelectObject(hdc.get(), hbmp.get())); - - paintIntoTransformedContext(hdc.get()); - - SelectObject(hdc.get(), hbmpOld); - - return BitmapImage::create(hbmp.get()); -#else - return 0; -#endif -} - -} // namespace WebCore |