wine/gecko
0
0
Fork 0
mirror of https://gitlab.winehq.org/wine/wine-gecko.git synced 2024-09-13 09:24:08 -07:00
Code Issues Packages Projects Releases Wiki Activity
a2a72eee58
gecko/modules/plugin/test/testplugin/nptest_windows.cpp

451 lines
12 KiB
C++
Raw Blame History

/* ***** BEGIN LICENSE BLOCK *****
*
* Copyright (c) 2008, Mozilla Corporation
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* * Redistributions of source code must retain the above copyright notice, this
* list of conditions and the following disclaimer.
* * 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.
* * Neither the name of the Mozilla Corporation nor the names of its
* contributors may be used to endorse or promote products derived from this
* software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND 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 THE COPYRIGHT OWNER 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.
*
* Contributor(s):
* Josh Aas <josh@mozilla.com>
* Jim Mathies <jmathies@mozilla.com>
*
* ***** END LICENSE BLOCK ***** */
#include "nptest_platform.h"
#include <windows.h>
#include <windowsx.h>
#pragma comment(lib, "msimg32.lib")
void SetSubclass(HWND hWnd, InstanceData* instanceData);
void ClearSubclass(HWND hWnd);
LRESULT CALLBACK PluginWndProc(HWND hWnd, UINT uMsg, WPARAM wParam, LPARAM lParam);
bool
pluginSupportsWindowMode()
{
return true;
}
bool
pluginSupportsWindowlessMode()
{
return true;
}
NPError
pluginInstanceInit(InstanceData* instanceData)
{
return NPERR_NO_ERROR;
}
void
pluginInstanceShutdown(InstanceData* instanceData)
{
}
void
pluginDoSetWindow(InstanceData* instanceData, NPWindow* newWindow)
{
instanceData->window = *newWindow;
}
void
pluginWidgetInit(InstanceData* instanceData, void* oldWindow)
{
HWND hWnd = (HWND)instanceData->window.window;
if (oldWindow) {
HWND hWndOld = (HWND)oldWindow;
ClearSubclass(hWndOld);
}
SetSubclass(hWnd, instanceData);
}
static void
drawToDC(InstanceData* instanceData, HDC dc,
int x, int y, int width, int height)
{
HBITMAP offscreenBitmap = ::CreateCompatibleBitmap(dc, width, height);
if (!offscreenBitmap)
return;
HDC offscreenDC = ::CreateCompatibleDC(dc);
if (!offscreenDC) {
::DeleteObject(offscreenBitmap);
return;
}
HBITMAP oldOffscreenBitmap =
(HBITMAP)::SelectObject(offscreenDC, offscreenBitmap);
::SetBkMode(offscreenDC, TRANSPARENT);
BYTE alpha = 255;
RECT fill = { 0, 0, width, height };
switch (instanceData->scriptableObject->drawMode) {
case DM_DEFAULT:
{
HBRUSH brush = ::CreateSolidBrush(RGB(0, 0, 0));
if (brush) {
::FillRect(offscreenDC, &fill, brush);
::DeleteObject(brush);
}
if (width > 6 && height > 6) {
brush = ::CreateSolidBrush(RGB(192, 192, 192));
if (brush) {
RECT inset = { 3, 3, width - 3, height - 3 };
::FillRect(offscreenDC, &inset, brush);
::DeleteObject(brush);
}
}
const char* uaString = NPN_UserAgent(instanceData->npp);
if (uaString && width > 10 && height > 10) {
HFONT font =
::CreateFontA(20, 0, 0, 0, 400, FALSE, FALSE, FALSE,
DEFAULT_CHARSET, OUT_DEFAULT_PRECIS,
CLIP_DEFAULT_PRECIS, 5, // CLEARTYPE_QUALITY
DEFAULT_PITCH, "Arial");
if (font) {
HFONT oldFont = (HFONT)::SelectObject(offscreenDC, font);
RECT inset = { 5, 5, width - 5, height - 5 };
::DrawTextA(offscreenDC, uaString, -1, &inset,
DT_LEFT | DT_TOP | DT_NOPREFIX | DT_WORDBREAK);
::SelectObject(offscreenDC, oldFont);
::DeleteObject(font);
}
}
}
break;
case DM_SOLID_COLOR:
{
PRUint32 rgba = instanceData->scriptableObject->drawColor;
BYTE r = ((rgba & 0xFF0000) >> 16);
BYTE g = ((rgba & 0xFF00) >> 8);
BYTE b = (rgba & 0xFF);
alpha = ((rgba & 0xFF000000) >> 24);
HBRUSH brush = ::CreateSolidBrush(RGB(r, g, b));
if (brush) {
::FillRect(offscreenDC, &fill, brush);
::DeleteObject(brush);
}
}
break;
}
BLENDFUNCTION blendFunc;
blendFunc.BlendOp = AC_SRC_OVER;
blendFunc.BlendFlags = 0;
blendFunc.SourceConstantAlpha = alpha;
blendFunc.AlphaFormat = 0;
::AlphaBlend(dc, x, y, width, height, offscreenDC, 0, 0, width, height,
blendFunc);
::SelectObject(offscreenDC, oldOffscreenBitmap);
::DeleteObject(offscreenDC);
::DeleteObject(offscreenBitmap);
}
void
pluginDraw(InstanceData* instanceData)
{
NPP npp = instanceData->npp;
if (!npp)
return;
HDC hdc = NULL;
PAINTSTRUCT ps;
if (instanceData->hasWidget)
hdc = ::BeginPaint((HWND)instanceData->window.window, &ps);
else
hdc = (HDC)instanceData->window.window;
if (hdc == NULL)
return;
// Push the browser's hdc on the resource stack. If this test plugin is windowless,
// we share the drawing surface with the rest of the browser.
int savedDCID = SaveDC(hdc);
// When we have a widget, window.x/y are meaningless since our widget
// is always positioned correctly and we just draw into it at 0,0.
int x = instanceData->hasWidget ? 0 : instanceData->window.x;
int y = instanceData->hasWidget ? 0 : instanceData->window.y;
int width = instanceData->window.width;
int height = instanceData->window.height;
drawToDC(instanceData, hdc, x, y, width, height);
// Pop our hdc changes off the resource stack
RestoreDC(hdc, savedDCID);
if (instanceData->hasWidget)
::EndPaint((HWND)instanceData->window.window, &ps);
}
/* script interface */
int32_t
pluginGetEdge(InstanceData* instanceData, RectEdge edge)
{
if (!instanceData || !instanceData->hasWidget)
return NPTEST_INT32_ERROR;
// Get the plugin client rect in screen coordinates
RECT rect = {0};
if (!::GetClientRect((HWND)instanceData->window.window, &rect))
return NPTEST_INT32_ERROR;
::MapWindowPoints((HWND)instanceData->window.window, NULL, (LPPOINT)&rect, 2);
// Get the toplevel window frame rect in screen coordinates
HWND rootWnd = ::GetAncestor((HWND)instanceData->window.window, GA_ROOT);
if (!rootWnd)
return NPTEST_INT32_ERROR;
RECT rootRect;
if (!::GetWindowRect(rootWnd, &rootRect))
return NPTEST_INT32_ERROR;
switch (edge) {
case EDGE_LEFT:
return rect.left - rootRect.left;
case EDGE_TOP:
return rect.top - rootRect.top;
case EDGE_RIGHT:
return rect.right - rootRect.left;
case EDGE_BOTTOM:
return rect.bottom - rootRect.top;
}
return NPTEST_INT32_ERROR;
}
static BOOL
getWindowRegion(HWND wnd, HRGN rgn)
{
if (::GetWindowRgn(wnd, rgn) != ERROR)
return TRUE;
RECT clientRect;
if (!::GetClientRect(wnd, &clientRect))
return FALSE;
return ::SetRectRgn(rgn, 0, 0, clientRect.right, clientRect.bottom);
}
static RGNDATA*
computeClipRegion(InstanceData* instanceData)
{
HWND wnd = (HWND)instanceData->window.window;
HRGN rgn = ::CreateRectRgn(0, 0, 0, 0);
if (!rgn)
return NULL;
HRGN ancestorRgn = ::CreateRectRgn(0, 0, 0, 0);
if (!ancestorRgn) {
::DeleteObject(rgn);
return NULL;
}
if (!getWindowRegion(wnd, rgn)) {
::DeleteObject(ancestorRgn);
::DeleteObject(rgn);
return NULL;
}
HWND ancestor = wnd;
for (;;) {
ancestor = ::GetAncestor(ancestor, GA_PARENT);
if (!ancestor || ancestor == ::GetDesktopWindow()) {
::DeleteObject(ancestorRgn);
DWORD size = ::GetRegionData(rgn, 0, NULL);
if (!size) {
::DeleteObject(rgn);
return NULL;
}
HANDLE heap = ::GetProcessHeap();
RGNDATA* data = static_cast<RGNDATA*>(::HeapAlloc(heap, 0, size));
if (!data) {
::DeleteObject(rgn);
return NULL;
}
DWORD result = ::GetRegionData(rgn, size, data);
::DeleteObject(rgn);
if (!result) {
::HeapFree(heap, 0, data);
return NULL;
}
return data;
}
if (!getWindowRegion(ancestor, ancestorRgn)) {
::DeleteObject(ancestorRgn);
::DeleteObject(rgn);
return 0;
}
POINT pt = { 0, 0 };
::MapWindowPoints(ancestor, wnd, &pt, 1);
if (::OffsetRgn(ancestorRgn, pt.x, pt.y) == ERROR ||
::CombineRgn(rgn, rgn, ancestorRgn, RGN_AND) == ERROR) {
::DeleteObject(ancestorRgn);
::DeleteObject(rgn);
return 0;
}
}
}
int32_t
pluginGetClipRegionRectCount(InstanceData* instanceData)
{
RGNDATA* data = computeClipRegion(instanceData);
if (!data)
return NPTEST_INT32_ERROR;
int32_t result = data->rdh.nCount;
::HeapFree(::GetProcessHeap(), 0, data);
return result;
}
static int32_t
addOffset(LONG coord, int32_t offset)
{
if (offset == NPTEST_INT32_ERROR)
return NPTEST_INT32_ERROR;
return coord + offset;
}
int32_t
pluginGetClipRegionRectEdge(InstanceData* instanceData,
int32_t rectIndex, RectEdge edge)
{
RGNDATA* data = computeClipRegion(instanceData);
if (!data)
return NPTEST_INT32_ERROR;
HANDLE heap = ::GetProcessHeap();
if (rectIndex >= int32_t(data->rdh.nCount)) {
::HeapFree(heap, 0, data);
return NPTEST_INT32_ERROR;
}
RECT rect = reinterpret_cast<RECT*>(data->Buffer)[rectIndex];
::HeapFree(heap, 0, data);
switch (edge) {
case EDGE_LEFT:
return addOffset(rect.left, pluginGetEdge(instanceData, EDGE_LEFT));
case EDGE_TOP:
return addOffset(rect.top, pluginGetEdge(instanceData, EDGE_TOP));
case EDGE_RIGHT:
return addOffset(rect.right, pluginGetEdge(instanceData, EDGE_LEFT));
case EDGE_BOTTOM:
return addOffset(rect.bottom, pluginGetEdge(instanceData, EDGE_TOP));
}
return NPTEST_INT32_ERROR;
}
/* windowless plugin events */
static bool
handleEventInternal(InstanceData* instanceData, NPEvent* pe)
{
switch ((UINT)pe->event) {
case WM_PAINT:
pluginDraw(instanceData);
return true;
case WM_MOUSEMOVE:
case WM_LBUTTONDOWN:
case WM_LBUTTONUP:
case WM_MBUTTONDOWN:
case WM_MBUTTONUP:
case WM_RBUTTONDOWN:
case WM_RBUTTONUP: {
int x = instanceData->hasWidget ? 0 : instanceData->window.x;
int y = instanceData->hasWidget ? 0 : instanceData->window.y;
instanceData->lastMouseX = GET_X_LPARAM(pe->lParam) - x;
instanceData->lastMouseY = GET_Y_LPARAM(pe->lParam) - y;
return true;
}
default:
return false;
}
}
int16_t
pluginHandleEvent(InstanceData* instanceData, void* event)
{
NPEvent* pe = (NPEvent*)event;
if (pe == NULL || instanceData == NULL ||
instanceData->window.type != NPWindowTypeDrawable)
return 0;
return handleEventInternal(instanceData, pe);
}
/* windowed plugin events */
LRESULT CALLBACK PluginWndProc(HWND hWnd, UINT uMsg, WPARAM wParam, LPARAM lParam)
{
WNDPROC wndProc = (WNDPROC)GetProp(hWnd, "MozillaWndProc");
if (!wndProc)
return 0;
InstanceData* pInstance = (InstanceData*)GetProp(hWnd, "InstanceData");
if (!pInstance)
return 0;
NPEvent event = { uMsg, wParam, lParam };
if (handleEventInternal(pInstance, &event))
return 0;
if (uMsg == WM_CLOSE) {
ClearSubclass((HWND)pInstance->window.window);
}
return CallWindowProc(wndProc, hWnd, uMsg, wParam, lParam);
}
void
ClearSubclass(HWND hWnd)
{
if (GetProp(hWnd, "MozillaWndProc")) {
::SetWindowLongPtr(hWnd, GWLP_WNDPROC, (LONG_PTR)GetProp(hWnd, "MozillaWndProc"));
RemoveProp(hWnd, "MozillaWndProc");
RemoveProp(hWnd, "InstanceData");
}
}
void
SetSubclass(HWND hWnd, InstanceData* instanceData)
{
// Subclass the plugin window so we can handle our own windows events.
SetProp(hWnd, "InstanceData", (HANDLE)instanceData);
WNDPROC origProc = (WNDPROC)::SetWindowLongPtr(hWnd, GWLP_WNDPROC, (LONG_PTR)PluginWndProc);
SetProp(hWnd, "MozillaWndProc", (HANDLE)origProc);
}
Reference in New Issue View Git Blame Copy Permalink