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/*
* Copyright (C) 2010 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 INC. AND ITS CONTRIBUTORS ``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 ITS 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 "WindowedPluginTest.h"
#include "PluginObject.h"
using namespace std;
// NPN_InvalidateRect should invalidate the plugin's HWND.
static const wchar_t instancePointerProperty[] = L"org.webkit.TestNetscapePlugin.NPNInvalidateRectInvalidatesWindow.InstancePointer";
class TemporaryWindowMover {
public:
TemporaryWindowMover(HWND);
~TemporaryWindowMover();
bool moveSucceeded() const { return m_moveSucceeded; }
private:
static const UINT standardSetWindowPosFlags = SWP_NOACTIVATE | SWP_NOOWNERZORDER | SWP_NOSIZE | SWP_NOZORDER;
bool m_moveSucceeded;
HWND m_window;
RECT m_savedWindowRect;
};
TemporaryWindowMover::TemporaryWindowMover(HWND window)
: m_window(window)
{
m_moveSucceeded = false;
if (!::GetWindowRect(m_window, &m_savedWindowRect))
return;
if (!::SetWindowPos(m_window, 0, 0, 0, 0, 0, SWP_SHOWWINDOW | standardSetWindowPosFlags))
return;
m_moveSucceeded = true;
};
TemporaryWindowMover::~TemporaryWindowMover()
{
if (!m_moveSucceeded)
return;
::SetWindowPos(m_window, 0, m_savedWindowRect.left, m_savedWindowRect.top, 0, 0, SWP_HIDEWINDOW | standardSetWindowPosFlags);
}
class NPNInvalidateRectInvalidatesWindow : public WindowedPluginTest {
public:
NPNInvalidateRectInvalidatesWindow(NPP, const string& identifier);
~NPNInvalidateRectInvalidatesWindow();
private:
virtual LRESULT wndProc(UINT message, WPARAM, LPARAM, bool& handled);
void onPaint();
void testInvalidateRect();
virtual NPError NPP_SetWindow(NPP, NPWindow*);
TemporaryWindowMover* m_windowMover;
};
NPNInvalidateRectInvalidatesWindow::NPNInvalidateRectInvalidatesWindow(NPP npp, const string& identifier)
: WindowedPluginTest(npp, identifier)
, m_windowMover(0)
{
}
NPNInvalidateRectInvalidatesWindow::~NPNInvalidateRectInvalidatesWindow()
{
delete m_windowMover;
}
NPError NPNInvalidateRectInvalidatesWindow::NPP_SetWindow(NPP instance, NPWindow* npWindow)
{
NPError error = WindowedPluginTest::NPP_SetWindow(instance, npWindow);
if (error != NPERR_NO_ERROR)
return error;
if (!window())
return NPERR_NO_ERROR;
// The test harness's window (the one that contains the WebView) is off-screen and hidden.
// We need to move it on-screen and make it visible in order for the plugin's window to
// accumulate an update region when the DWM is disabled.
HWND testHarnessWindow = this->testHarnessWindow();
if (!testHarnessWindow) {
pluginLog(instance, "Failed to get test harness window");
return NPERR_GENERIC_ERROR;
}
m_windowMover = new TemporaryWindowMover(testHarnessWindow);
if (!m_windowMover->moveSucceeded()) {
pluginLog(instance, "Failed to move test harness window on-screen");
return NPERR_GENERIC_ERROR;
}
// Wait until we receive a WM_PAINT message to ensure that the window is on-screen before we do
// the NPN_InvalidateRect test.
waitUntilDone();
return NPERR_NO_ERROR;
}
LRESULT NPNInvalidateRectInvalidatesWindow::wndProc(UINT message, WPARAM wParam, LPARAM lParam, bool& handled)
{
if (message == WM_PAINT)
onPaint();
handled = false;
return 0;
}
void NPNInvalidateRectInvalidatesWindow::onPaint()
{
testInvalidateRect();
notifyDone();
delete m_windowMover;
m_windowMover = 0;
}
void NPNInvalidateRectInvalidatesWindow::testInvalidateRect()
{
RECT clientRect;
if (!::GetClientRect(window(), &clientRect)) {
pluginLog(m_npp, "::GetClientRect failed");
return;
}
if (::IsRectEmpty(&clientRect)) {
pluginLog(m_npp, "Plugin's HWND has not been sized when NPP_SetWindow is called");
return;
}
// Clear the invalid region.
if (!::ValidateRect(window(), 0)) {
pluginLog(m_npp, "::ValidateRect failed");
return;
}
// Invalidate our lower-right quadrant.
NPRect rectToInvalidate;
rectToInvalidate.left = (clientRect.right - clientRect.left) / 2;
rectToInvalidate.top = (clientRect.bottom - clientRect.top) / 2;
rectToInvalidate.right = clientRect.right;
rectToInvalidate.bottom = clientRect.bottom;
NPN_InvalidateRect(&rectToInvalidate);
RECT invalidRect;
if (!::GetUpdateRect(window(), &invalidRect, FALSE)) {
pluginLog(m_npp, "::GetUpdateRect failed");
return;
}
if (invalidRect.left != rectToInvalidate.left || invalidRect.top != rectToInvalidate.top || invalidRect.right != rectToInvalidate.right || invalidRect.bottom != rectToInvalidate.bottom) {
pluginLog(m_npp, "Expected invalid rect {left=%u, top=%u, right=%u, bottom=%u}, but got {left=%d, top=%d, right=%d, bottom=%d}", rectToInvalidate.left, rectToInvalidate.top, rectToInvalidate.right, rectToInvalidate.bottom, invalidRect.left, invalidRect.top, invalidRect.right, invalidRect.bottom);
return;
}
pluginLog(m_npp, "Plugin's HWND has been invalidated as expected");
}
static PluginTest::Register<NPNInvalidateRectInvalidatesWindow> registrar("npn-invalidate-rect-invalidates-window");
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