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Bug 661991 - close file pickers when the parent window closes. r=ehsan

This commit is contained in:
Jim Mathies 2011-12-14 15:22:28 -06:00
Родитель ad4ce4b870
Коммит a464c22dde
3 изменённых файлов: 197 добавлений и 28 удалений
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209
widget/src/windows/nsFilePicker.cpp
Просмотреть файл

@ -63,6 +63,10 @@
PRUnichar *nsFilePicker::mLastUsedUnicodeDirectory;
char nsFilePicker::mLastUsedDirectory[MAX_PATH+1] = { 0 };
static const PRUnichar kDialogPtrProp[] = L"DialogPtrProperty";
static const DWORD kDialogTimerID = 9999;
static const unsigned long kDialogTimerTimeout = 300;
#define MAX_EXTENSION_LENGTH 10
///////////////////////////////////////////////////////////////////////////////
@ -158,11 +162,44 @@ private:
nsRefPtr<nsWindow> mWindow;
};
// Manages a simple callback timer
class AutoTimerCallbackCancel
{
public:
AutoTimerCallbackCancel(nsFilePicker* aTarget,
nsTimerCallbackFunc aCallbackFunc) {
Init(aTarget, aCallbackFunc);
}
~AutoTimerCallbackCancel() {
if (mPickerCallbackTimer) {
mPickerCallbackTimer->Cancel();
}
}
private:
void Init(nsFilePicker* aTarget,
nsTimerCallbackFunc aCallbackFunc) {
mPickerCallbackTimer = do_CreateInstance("@mozilla.org/timer;1");
if (!mPickerCallbackTimer) {
NS_WARNING("do_CreateInstance for timer failed??");
return;
}
mPickerCallbackTimer->InitWithFuncCallback(aCallbackFunc,
aTarget,
kDialogTimerTimeout,
nsITimer::TYPE_REPEATING_SLACK);
}
nsCOMPtr<nsITimer> mPickerCallbackTimer;
};
///////////////////////////////////////////////////////////////////////////////
// nsIFilePicker
nsFilePicker::nsFilePicker() :
mSelectedType(1)
, mDlgWnd(NULL)
#if MOZ_WINSDK_TARGETVER >= MOZ_NTDDI_LONGHORN
, mFDECookie(0)
#endif
@ -181,6 +218,7 @@ nsFilePicker::~nsFilePicker()
NS_IMPL_ISUPPORTS1(nsFilePicker, nsIFilePicker)
#if MOZ_WINSDK_TARGETVER >= MOZ_NTDDI_LONGHORN
STDMETHODIMP nsFilePicker::QueryInterface(REFIID refiid, void** ppvResult)
{
@ -238,23 +276,54 @@ EnsureWindowVisible(HWND hwnd)
// Callback hook which will ensure that the window is visible. Currently
// only in use on os <= XP.
static UINT_PTR CALLBACK
FilePickerHook(HWND hwnd, UINT msg, WPARAM wParam, LPARAM lParam)
UINT_PTR CALLBACK
nsFilePicker::FilePickerHook(HWND hwnd,
UINT msg,
WPARAM wParam,
LPARAM lParam)
{
if (msg == WM_NOTIFY) {
LPOFNOTIFYW lpofn = (LPOFNOTIFYW) lParam;
if (!lpofn || !lpofn->lpOFN) {
return 0;
}
if (CDN_INITDONE == lpofn->hdr.code) {
// The Window will be automatically moved to the last position after
// CDN_INITDONE. We post a message to ensure the window will be visible
// so it will be done after the automatic last position window move.
PostMessage(hwnd, MOZ_WM_ENSUREVISIBLE, 0, 0);
}
} else if (msg == MOZ_WM_ENSUREVISIBLE) {
EnsureWindowVisible(GetParent(hwnd));
switch(msg) {
case WM_NOTIFY:
{
LPOFNOTIFYW lpofn = (LPOFNOTIFYW) lParam;
if (!lpofn || !lpofn->lpOFN) {
return 0;
}
if (CDN_INITDONE == lpofn->hdr.code) {
// The Window will be automatically moved to the last position after
// CDN_INITDONE. We post a message to ensure the window will be visible
// so it will be done after the automatic last position window move.
PostMessage(hwnd, MOZ_WM_ENSUREVISIBLE, 0, 0);
}
}
break;
case MOZ_WM_ENSUREVISIBLE:
EnsureWindowVisible(GetParent(hwnd));
break;
case WM_INITDIALOG:
{
OPENFILENAMEW* pofn = reinterpret_cast<OPENFILENAMEW*>(lParam);
SetProp(hwnd, kDialogPtrProp, (HANDLE)pofn->lCustData);
nsFilePicker* picker = reinterpret_cast<nsFilePicker*>(pofn->lCustData);
if (picker) {
picker->SetDialogHandle(hwnd);
SetTimer(hwnd, kDialogTimerID, kDialogTimerTimeout, NULL);
}
}
break;
case WM_TIMER:
{
// Check to see if our parent has been torn down, if so, we close too.
if (wParam == kDialogTimerID) {
nsFilePicker* picker =
reinterpret_cast<nsFilePicker*>(GetProp(hwnd, kDialogPtrProp));
if (picker && picker->ClosePickerIfNeeded(true)) {
KillTimer(hwnd, kDialogTimerID);
}
}
}
break;
}
return 0;
}
@ -262,8 +331,11 @@ FilePickerHook(HWND hwnd, UINT msg, WPARAM wParam, LPARAM lParam)
// Callback hook which will dynamically allocate a buffer large enough
// for the file picker dialog. Currently only in use on os <= XP.
static UINT_PTR CALLBACK
MultiFilePickerHook(HWND hwnd, UINT msg, WPARAM wParam, LPARAM lParam)
UINT_PTR CALLBACK
nsFilePicker::MultiFilePickerHook(HWND hwnd,
UINT msg,
WPARAM wParam,
LPARAM lParam)
{
switch (msg) {
case WM_INITDIALOG:
@ -275,6 +347,15 @@ MultiFilePickerHook(HWND hwnd, UINT msg, WPARAM wParam, LPARAM lParam)
L"ComboBoxEx32", NULL );
if(comboBox)
SendMessage(comboBox, CB_LIMITTEXT, 0, 0);
// Store our nsFilePicker ptr for future use
OPENFILENAMEW* pofn = reinterpret_cast<OPENFILENAMEW*>(lParam);
SetProp(hwnd, kDialogPtrProp, (HANDLE)pofn->lCustData);
nsFilePicker* picker =
reinterpret_cast<nsFilePicker*>(pofn->lCustData);
if (picker) {
picker->SetDialogHandle(hwnd);
SetTimer(hwnd, kDialogTimerID, kDialogTimerTimeout, NULL);
}
}
break;
case WM_NOTIFY:
@ -327,6 +408,18 @@ MultiFilePickerHook(HWND hwnd, UINT msg, WPARAM wParam, LPARAM lParam)
}
}
break;
case WM_TIMER:
{
// Check to see if our parent has been torn down, if so, we close too.
if (wParam == kDialogTimerID) {
nsFilePicker* picker =
reinterpret_cast<nsFilePicker*>(GetProp(hwnd, kDialogPtrProp));
if (picker && picker->ClosePickerIfNeeded(true)) {
KillTimer(hwnd, kDialogTimerID);
}
}
}
break;
}
return FilePickerHook(hwnd, msg, wParam, lParam);
@ -374,6 +467,21 @@ nsFilePicker::OnShareViolation(IFileDialog *pfd,
HRESULT
nsFilePicker::OnTypeChange(IFileDialog *pfd)
{
// Failures here result in errors due to security concerns.
nsRefPtr<IOleWindow> win;
pfd->QueryInterface(IID_IOleWindow, getter_AddRefs(win));
if (!win) {
NS_ERROR("Could not retrieve the IOleWindow interface for IFileDialog.");
return S_OK;
}
HWND hwnd = NULL;
win->GetWindow(&hwnd);
if (!hwnd) {
NS_ERROR("Could not retrieve the HWND for IFileDialog.");
return S_OK;
}
SetDialogHandle(hwnd);
return S_OK;
}
@ -387,6 +495,54 @@ nsFilePicker::OnOverwrite(IFileDialog *pfd,
#endif // MOZ_NTDDI_LONGHORN
/*
* Close on parent close logic
*/
bool
nsFilePicker::ClosePickerIfNeeded(bool aIsXPDialog)
{
if (!mParentWidget || !mDlgWnd)
return false;
nsWindow *win = static_cast<nsWindow *>(mParentWidget.get());
// Note, the xp callbacks hand us an inner window, so we have to step up
// one to get the actual dialog.
HWND dlgWnd;
if (aIsXPDialog)
dlgWnd = GetParent(mDlgWnd);
else
dlgWnd = mDlgWnd;
if (IsWindow(dlgWnd) && IsWindowVisible(dlgWnd) && win->DestroyCalled()) {
PRUnichar className[64];
// Make sure we have the right window
if (GetClassNameW(dlgWnd, className, mozilla::ArrayLength(className)) &&
!wcscmp(className, L"#32770") &&
DestroyWindow(dlgWnd)) {
mDlgWnd = NULL;
return true;
}
}
return false;
}
void
nsFilePicker::PickerCallbackTimerFunc(nsITimer *aTimer, void *aCtx)
{
nsFilePicker* picker = (nsFilePicker*)aCtx;
if (picker->ClosePickerIfNeeded(false)) {
aTimer->Cancel();
}
}
void
nsFilePicker::SetDialogHandle(HWND aWnd)
{
if (!aWnd || mDlgWnd)
return;
mDlgWnd = aWnd;
}
/*
* Folder picker invocation
*/
@ -412,6 +568,7 @@ nsFilePicker::ShowXPFolderPicker(const nsString& aInitialDir)
browserInfo.ulFlags = BIF_USENEWUI | BIF_RETURNONLYFSDIRS;
browserInfo.hwndOwner = adtw.get();
browserInfo.iImage = nsnull;
browserInfo.lParam = reinterpret_cast<LPARAM>(this);
if (!aInitialDir.IsEmpty()) {
// the dialog is modal so that |initialDir.get()| will be valid in
@ -536,6 +693,7 @@ nsFilePicker::ShowXPFilePicker(const nsString& aInitialDir)
ofn.lpstrFile = fileBuffer;
ofn.nMaxFile = FILE_BUFFER_SIZE;
ofn.hwndOwner = adtw.get();
ofn.lCustData = reinterpret_cast<LPARAM>(this);
ofn.Flags = OFN_SHAREAWARE | OFN_LONGNAMES | OFN_OVERWRITEPROMPT |
OFN_HIDEREADONLY | OFN_PATHMUSTEXIST | OFN_ENABLESIZING |
OFN_EXPLORER;
@ -797,15 +955,18 @@ nsFilePicker::ShowFilePicker(const nsString& aInitialDir)
// display
AutoDestroyTmpWindow adtw((HWND)(mParentWidget.get() ?
mParentWidget->GetNativeData(NS_NATIVE_TMP_WINDOW) : NULL));
{
AutoDestroyTmpWindow adtw((HWND)(mParentWidget.get() ?
mParentWidget->GetNativeData(NS_NATIVE_TMP_WINDOW) : NULL));
AutoTimerCallbackCancel atcc(this, PickerCallbackTimerFunc);
AutoWidgetPickerState awps(mParentWidget);
AutoWidgetPickerState awps(mParentWidget);
if (FAILED(dialog->Show(adtw.get()))) {
if (FAILED(dialog->Show(adtw.get()))) {
dialog->Unadvise(mFDECookie);
return false;
}
dialog->Unadvise(mFDECookie);
return false;
}
dialog->Unadvise(mFDECookie);
// results

15
widget/src/windows/nsFilePicker.h
Просмотреть файл

@ -57,6 +57,7 @@
#endif
#include "nsILocalFile.h"
#include "nsITimer.h"
#include "nsISimpleEnumerator.h"
#include "nsCOMArray.h"
#include "nsAutoPtr.h"
@ -134,6 +135,11 @@ protected:
bool IsPrivacyModeEnabled();
bool IsDefaultPathLink();
bool IsDefaultPathHtml();
void SetDialogHandle(HWND aWnd);
bool ClosePickerIfNeeded(bool aIsXPDialog);
static void PickerCallbackTimerFunc(nsITimer *aTimer, void *aPicker);
static UINT_PTR CALLBACK MultiFilePickerHook(HWND hwnd, UINT msg, WPARAM wParam, LPARAM lParam);
static UINT_PTR CALLBACK FilePickerHook(HWND hwnd, UINT msg, WPARAM wParam, LPARAM lParam);
nsCOMPtr<nsIWidget> mParentWidget;
nsString mTitle;
@ -148,7 +154,7 @@ protected:
static char mLastUsedDirectory[];
nsString mUnicodeFile;
static PRUnichar *mLastUsedUnicodeDirectory;
DWORD mFDECookie;
HWND mDlgWnd;
#if MOZ_WINSDK_TARGETVER >= MOZ_NTDDI_LONGHORN
class ComDlgFilterSpec
@ -161,11 +167,11 @@ protected:
free(mSpecList);
}
PRUint32 Length() {
const PRUint32 Length() {
return mLength;
}
bool IsEmpty() {
const bool IsEmpty() {
return (mLength == 0);
}
@ -180,7 +186,8 @@ protected:
PRUint32 mLength;
};
ComDlgFilterSpec mComFilterList;
ComDlgFilterSpec mComFilterList;
DWORD mFDECookie;
#endif
};

1
widget/src/windows/nsWindow.h
Просмотреть файл

@ -310,6 +310,7 @@ public:
void PickerOpen();
void PickerClosed();
bool const DestroyCalled() { return mDestroyCalled; }
protected:
// A magic number to identify the FAKETRACKPOINTSCROLLABLE window created