98 lines
2.6 KiB
C++
98 lines
2.6 KiB
C++
/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*-
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*
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* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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#include "nsCOMPtr.h"
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#include "nsPIDOMWindow.h"
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#include "nsIDocShell.h"
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#include "nsIInterfaceRequestorUtils.h"
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#include "nsIBaseWindow.h"
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#include "nsIWidget.h"
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#include "nsXPIDLString.h"
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#include "nsIServiceManager.h"
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#include "nsCOMArray.h"
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#include "nsEnumeratorUtils.h"
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#include "mozilla/Services.h"
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#include "WidgetUtils.h"
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#include "nsThreadUtils.h"
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#include "nsBaseDatePicker.h"
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using namespace mozilla::widget;
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using namespace mozilla::dom;
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/**
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* A runnable to dispatch from the main thread to the main thread to display
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* the date picker while letting the showAsync method return right away.
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*/
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class AsyncShowDatePicker : public nsRunnable
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{
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public:
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AsyncShowDatePicker(nsIDatePicker *aDatePicker,
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nsIDatePickerShownCallback *aCallback) :
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mDatePicker(aDatePicker),
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mCallback(aCallback)
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{
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}
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NS_IMETHOD Run()
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{
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NS_ASSERTION(NS_IsMainThread(),
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"AsyncShowDatePicker should be on the main thread!");
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// It's possible that some widget implementations require GUI operations
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// to be on the main thread, so that's why we're not dispatching to another
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// thread and calling back to the main after it's done.
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int16_t result = nsIDatePicker::returnCancel;
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nsresult rv = mDatePicker->Show(&result);
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if (NS_FAILED(rv)) {
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NS_ERROR("DatePicker's Show() implementation failed!");
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}
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if (mCallback) {
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mCallback->Done(result);
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}
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return NS_OK;
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}
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private:
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RefPtr<nsIDatePicker> mDatePicker;
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RefPtr<nsIDatePickerShownCallback> mCallback;
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};
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nsBaseDatePicker::nsBaseDatePicker()
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{
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}
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nsBaseDatePicker::~nsBaseDatePicker()
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{
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}
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NS_IMETHODIMP nsBaseDatePicker::Init(nsIDOMWindow *aParent,
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const nsAString& aTitle)
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{
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NS_PRECONDITION(aParent, "Null parent passed to datepicker, no date "
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"picker for you!");
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nsCOMPtr<nsIWidget> widget = WidgetUtils::DOMWindowToWidget(aParent);
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NS_ENSURE_TRUE(widget, NS_ERROR_FAILURE);
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mParent = do_QueryInterface(aParent);
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if (!mParent->IsInnerWindow()) {
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mParent = mParent->GetCurrentInnerWindow();
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}
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InitNative(widget, aTitle);
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return NS_OK;
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}
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NS_IMETHODIMP
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nsBaseDatePicker::Open(nsIDatePickerShownCallback *aCallback)
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{
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nsCOMPtr<nsIRunnable> filePickerEvent =
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new AsyncShowDatePicker(this, aCallback);
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return NS_DispatchToMainThread(filePickerEvent);
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} |