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winamp/Src/omBrowser/travelLogHelper.cpp

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#include "main.h"
#include "./travelLogHelper.h"
#include "./graphics.h"
#include "./resource.h"
#include "./ifc_skinhelper.h"
#include "./ifc_imageloader.h"
#include "./menu.h"
#include "../Plugins/General/gen_ml/ml_ipc_0313.h"
#include <exdisp.h>
#include <tlogstg.h>
#define TRAVELLOGPOPUP_MAXCHARWIDTH 42
TravelLogHelper::TravelLogHelper(IWebBrowser2 *pWeb)
: ref(1), pWeb2(pWeb), bitmap(NULL), pixelData(NULL), firstFwd(FALSE), entriesCount(0), backEntry(-1)
{
if (NULL != pWeb2)
pWeb2->AddRef();
}
TravelLogHelper::~TravelLogHelper()
{
if (NULL != pWeb2)
pWeb2->Release();
if (NULL != bitmap)
DeleteObject(bitmap);
}
HRESULT TravelLogHelper::CreateInstance(IWebBrowser2 *pWeb2, TravelLogHelper **instance)
{
if (NULL == instance) return E_POINTER;
*instance = NULL;
if (NULL == pWeb2)
return E_INVALIDARG;
*instance = new TravelLogHelper(pWeb2);
if (NULL == *instance) return E_OUTOFMEMORY;
return S_OK;
}
size_t TravelLogHelper::AddRef()
{
return InterlockedIncrement((LONG*)&ref);
}
size_t TravelLogHelper::Release()
{
if (0 == ref)
return ref;
LONG r = InterlockedDecrement((LONG*)&ref);
if (0 == r)
delete(this);
return r;
}
int TravelLogHelper::QueryInterface(GUID interface_guid, void **object)
{
if (NULL == object) return E_POINTER;
if (IsEqualIID(interface_guid, IFC_TravelLogHelper))
*object = static_cast<ifc_travelloghelper*>(this);
else if (IsEqualIID(interface_guid, IFC_MenuCustomizer))
*object = static_cast<ifc_menucustomizer*>(this);
else
{
*object = NULL;
return E_NOINTERFACE;
}
if (NULL == *object)
return E_UNEXPECTED;
AddRef();
return S_OK;
}
HRESULT TravelLogHelper::QueryStorage(ITravelLogStg **ppLog)
{
HRESULT hr;
if (NULL == ppLog)
return E_POINTER;
*ppLog = NULL;
if (NULL == pWeb2) return E_UNEXPECTED;
IServiceProvider *pProvider;
hr = pWeb2->QueryInterface(IID_IServiceProvider, (void**)&pProvider);
if (SUCCEEDED(hr))
{
hr = pProvider->QueryService(SID_STravelLogCursor, ppLog);
pProvider->Release();
}
return hr;
}
BOOL TravelLogHelper::DrawIcon(HMENU menuInstance, HDC hdc, DRAWITEMSTRUCT *pdis)
{
if (0 == (ODS_SELECTED & pdis->itemState))
return FALSE;
LONG entry = pdis->itemID - 101;
if (entry < 0 || ((ULONG)entry) > entriesCount)
return FALSE;
BOOL fForward = (FALSE != firstFwd) ? TRUE : FALSE;
if (-1 != backEntry && entry >= backEntry)
fForward = !fForward;
if (NULL == bitmap)
{
ifc_omimageloader *imageLoader;
if (SUCCEEDED(Plugin_QueryImageLoader(Plugin_GetInstance(), MAKEINTRESOURCE(IDR_MENUARROW_IMAGE), FALSE, &imageLoader)))
{
if (SUCCEEDED(imageLoader->LoadBitmapEx(&bitmap, &header, &pixelData)))
{
if (header.biHeight < 0) header.biHeight = -header.biHeight;
Image_Colorize((BYTE*)pixelData, header.biWidth, header.biHeight,
header.biBitCount, GetBkColor(hdc), GetTextColor(hdc), TRUE);
}
imageLoader->Release();
}
}
BOOL resultOk = FALSE;
if (NULL != bitmap)
{
INT cx = header.biWidth/2;
INT cy = header.biHeight;
if (cy < 0) cy = -cy;
INT side = (pdis->rcItem.bottom - pdis->rcItem.top - 2);
if (cy < side) side = cy;
INT top = pdis->rcItem.top + ((pdis->rcItem.bottom - pdis->rcItem.top) - side)/2;
INT left = pdis->rcItem.left + (GetSystemMetrics(SM_CXMENUCHECK) - side)/2 + 3;
resultOk = StretchDIBits(hdc, left, top, side, side,
((FALSE != fForward) ? cx : 0), 0, cx, cy, pixelData, (BITMAPINFO*)&header, DIB_RGB_COLORS, SRCCOPY);
}
return resultOk;
}
INT TravelLogHelper::CustomDraw(HMENU menuInstance, INT action, HDC hdc, LPARAM param)
{
switch(action)
{
case MLMENU_ACTION_DRAWITEM:
return MLMENU_WANT_DRAWPART;
case MLMENU_ACTION_DRAWICON:
return DrawIcon(menuInstance, hdc, (DRAWITEMSTRUCT*)param);
}
return FALSE;
}
HRESULT TravelLogHelper::ShowPopup(UINT fuFlags, INT x, INT y, HWND hwnd, LPTPMPARAMS lptpm)
{
HRESULT hr;
ITravelLogStg *pLog;
hr = QueryStorage(&pLog);
if (FAILED(hr) || NULL == pLog) return hr;
DWORD entriesMax;
if (FAILED(pLog->GetCount(TLEF_RELATIVE_FORE | TLEF_RELATIVE_BACK, &entriesMax)))
entriesMax = 0;
ITravelLogEntry **entries = NULL;
INT selectedEntry = -1;
firstFwd = (0 == (TPM_BOTTOMALIGN & fuFlags));
entriesCount = 0;
backEntry = -1;
if (0 != entriesMax)
{
entries = (ITravelLogEntry**)calloc(entriesMax, sizeof(ITravelLogEntry*));
if (NULL != entries)
{
IEnumTravelLogEntry *pEnum = NULL;
TLENUMF tlenum = (0 != (TPM_BOTTOMALIGN & fuFlags)) ? TLEF_RELATIVE_BACK : TLEF_RELATIVE_FORE;
if (SUCCEEDED(pLog->EnumEntries(tlenum, &pEnum)))
{
ULONG fetched;
pEnum->Reset();
pEnum->Next(entriesMax - entriesCount, &entries[entriesCount], &fetched);
if (0 != fetched)
{
ITravelLogEntry *t, **l, **r;
for (l = &entries[entriesCount], r = &entries[entriesCount + fetched - 1]; l < r; l++, r--)
{
t = *l;
*l = *r;
*r = t;
}
entriesCount += fetched;
}
pEnum->Release();
}
tlenum = (0 != (TLEF_RELATIVE_FORE & tlenum)) ?
((tlenum & ~TLEF_RELATIVE_FORE) | TLEF_RELATIVE_BACK) :
tlenum = ((tlenum & ~TLEF_RELATIVE_BACK) | TLEF_RELATIVE_FORE);
if (SUCCEEDED(pLog->EnumEntries(tlenum, &pEnum)))
{
ULONG fetched;
pEnum->Reset();
pEnum->Next(entriesMax - entriesCount, &entries[entriesCount], &fetched);
if (0 != fetched)
{
backEntry = entriesCount;
entriesCount += fetched;
}
pEnum->Release();
}
}
if (entriesCount > 0)
{
HMENU hMenu = CreatePopupMenu();
if (NULL != hMenu)
{
MENUITEMINFOW mii = {0};
mii.cbSize = sizeof(MENUITEMINFOW);
mii.fMask = MIIM_STRING | MIIM_ID | MIIM_STATE;
mii.fState = MFS_ENABLED | MFS_UNCHECKED;
for (ULONG i = 0; i < entriesCount; i++)
{
if (NULL != entries[i])
{
LPWSTR pszTitle;
if (SUCCEEDED(entries[i]->GetTitle(&pszTitle)) && NULL != pszTitle)
{
INT cchTitle = lstrlen(pszTitle);
if (cchTitle > TRAVELLOGPOPUP_MAXCHARWIDTH)
{
pszTitle[TRAVELLOGPOPUP_MAXCHARWIDTH] = L'\0';
for (INT k = 0; k < 3; k++)
pszTitle[TRAVELLOGPOPUP_MAXCHARWIDTH - 1 - k] = L'.';
}
mii.dwTypeData = pszTitle;
mii.wID = 101 + i;
InsertMenuItem(hMenu, i, TRUE, &mii);
CoTaskMemFree(pszTitle);
}
}
}
{ // insert current page
WCHAR szBuffer[256] = {0};
Plugin_LoadString(IDS_CURRENT_PAGE, szBuffer, ARRAYSIZE(szBuffer));
mii.dwTypeData = szBuffer;
mii.fMask = MIIM_STRING | MIIM_ID | MIIM_STATE | MIIM_FTYPE;
mii.fState = MFS_ENABLED | MFS_DEFAULT | MFS_CHECKED;
mii.fType = MFT_STRING | MFT_RADIOCHECK;
mii.wID = 100;
if (-1 == backEntry)
InsertMenuItem(hMenu, GetMenuItemCount(hMenu), TRUE, &mii);
else
InsertMenuItem(hMenu, 101 + backEntry, FALSE, &mii);
}
HANDLE hHook = Menu_InitializeHook(hwnd, this);
UINT commandId = TrackPopupMenuEx(hMenu, fuFlags | TPM_RETURNCMD, x, y, hwnd, lptpm);
if (NULL != hHook) Menu_RemoveHook(hHook);
if (commandId > 100 && commandId <= (100 + entriesCount))
selectedEntry = commandId - 101;
DestroyMenu(hMenu);
}
}
}
if (-1 != selectedEntry && NULL != entries[selectedEntry])
{
pLog->TravelTo(entries[selectedEntry]);
}
if (NULL != entries)
{
for (ULONG i = 0; i < entriesCount; i++)
{
if (NULL != entries[i]) entries[i]->Release();
}
free(entries);
}
pLog->Release();
return hr;
}
#define CBCLASS TravelLogHelper
START_MULTIPATCH;
START_PATCH(MPIID_TRAVELLOGHELPER)
M_CB(MPIID_TRAVELLOGHELPER, ifc_travelloghelper, ADDREF, AddRef);
M_CB(MPIID_TRAVELLOGHELPER, ifc_travelloghelper, RELEASE, Release);
M_CB(MPIID_TRAVELLOGHELPER, ifc_travelloghelper, QUERYINTERFACE, QueryInterface);
M_CB(MPIID_TRAVELLOGHELPER, ifc_travelloghelper, API_QUERYSTORAGE, QueryStorage);
M_CB(MPIID_TRAVELLOGHELPER, ifc_travelloghelper, API_SHOWPOPUP, ShowPopup);
NEXT_PATCH(MPIID_MENUCUSTOMIZER)
M_CB(MPIID_MENUCUSTOMIZER, ifc_menucustomizer, ADDREF, AddRef);
M_CB(MPIID_MENUCUSTOMIZER, ifc_menucustomizer, RELEASE, Release);
M_CB(MPIID_MENUCUSTOMIZER, ifc_menucustomizer, QUERYINTERFACE, QueryInterface);
M_CB(MPIID_MENUCUSTOMIZER, ifc_menucustomizer, API_CUSTOMDRAW, CustomDraw);
END_PATCH
END_MULTIPATCH;
#undef CBCLASS
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