gecko-dev/dom/ipc/ColorPickerParent.cpp
Kan-Ru Chen f8100451db Bug 1314254 - Add mozilla::ipc::IPCResult type and convert IPDL handlers to use new return type. r=billm
We will use the new type for the generated IPDL message handler
prototype to make sure correct error handling method is called.

MozReview-Commit-ID: AzVbApxFGZ0
2016-11-15 04:26:00 +01:00

88 lines
2.1 KiB
C++

/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* vim: set ts=8 sts=2 et sw=2 tw=80: */
/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
#include "ColorPickerParent.h"
#include "nsComponentManagerUtils.h"
#include "nsIDocument.h"
#include "nsIDOMWindow.h"
#include "mozilla/Unused.h"
#include "mozilla/dom/Element.h"
#include "mozilla/dom/TabParent.h"
using mozilla::Unused;
using namespace mozilla::dom;
NS_IMPL_ISUPPORTS(ColorPickerParent::ColorPickerShownCallback,
nsIColorPickerShownCallback);
NS_IMETHODIMP
ColorPickerParent::ColorPickerShownCallback::Update(const nsAString& aColor)
{
if (mColorPickerParent) {
Unused << mColorPickerParent->SendUpdate(nsString(aColor));
}
return NS_OK;
}
NS_IMETHODIMP
ColorPickerParent::ColorPickerShownCallback::Done(const nsAString& aColor)
{
if (mColorPickerParent) {
Unused << mColorPickerParent->Send__delete__(mColorPickerParent,
nsString(aColor));
}
return NS_OK;
}
void
ColorPickerParent::ColorPickerShownCallback::Destroy()
{
mColorPickerParent = nullptr;
}
bool
ColorPickerParent::CreateColorPicker()
{
mPicker = do_CreateInstance("@mozilla.org/colorpicker;1");
if (!mPicker) {
return false;
}
Element* ownerElement = TabParent::GetFrom(Manager())->GetOwnerElement();
if (!ownerElement) {
return false;
}
nsCOMPtr<nsPIDOMWindowOuter> window = ownerElement->OwnerDoc()->GetWindow();
if (!window) {
return false;
}
return NS_SUCCEEDED(mPicker->Init(window, mTitle, mInitialColor));
}
mozilla::ipc::IPCResult
ColorPickerParent::RecvOpen()
{
if (!CreateColorPicker()) {
Unused << Send__delete__(this, mInitialColor);
return IPC_OK();
}
mCallback = new ColorPickerShownCallback(this);
mPicker->Open(mCallback);
return IPC_OK();
};
void
ColorPickerParent::ActorDestroy(ActorDestroyReason aWhy)
{
if (mCallback) {
mCallback->Destroy();
}
}