tor-browser

The Tor Browser
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ColorPickerParent.cpp (1857B)

      1 /* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
      2 /* vim: set ts=8 sts=2 et sw=2 tw=80: */
      3 /* This Source Code Form is subject to the terms of the Mozilla Public
      4 * License, v. 2.0. If a copy of the MPL was not distributed with this
      5 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
      6 
      7 #include "ColorPickerParent.h"
      8 
      9 #include "mozilla/dom/BrowserParent.h"
     10 #include "mozilla/dom/Document.h"
     11 #include "mozilla/dom/Element.h"
     12 #include "nsComponentManagerUtils.h"
     13 
     14 using namespace mozilla::dom;
     15 
     16 NS_IMPL_ISUPPORTS(ColorPickerParent::ColorPickerShownCallback,
     17                  nsIColorPickerShownCallback);
     18 
     19 NS_IMETHODIMP
     20 ColorPickerParent::ColorPickerShownCallback::Update(const nsAString& aColor) {
     21  if (mColorPickerParent) {
     22    (void)mColorPickerParent->SendUpdate(aColor);
     23  }
     24  return NS_OK;
     25 }
     26 
     27 NS_IMETHODIMP
     28 ColorPickerParent::ColorPickerShownCallback::Done(const nsAString& aColor) {
     29  if (mColorPickerParent) {
     30    (void)ColorPickerParent::Send__delete__(mColorPickerParent, aColor);
     31  }
     32  return NS_OK;
     33 }
     34 
     35 void ColorPickerParent::ColorPickerShownCallback::Destroy() {
     36  mColorPickerParent = nullptr;
     37 }
     38 
     39 bool ColorPickerParent::CreateColorPicker() {
     40  if (!mBrowsingContext) {
     41    return false;
     42  }
     43 
     44  mPicker = do_CreateInstance("@mozilla.org/colorpicker;1");
     45  if (!mPicker) {
     46    return false;
     47  }
     48 
     49  return NS_SUCCEEDED(
     50      mPicker->Init(mBrowsingContext, mTitle, mInitialColor, mDefaultColors));
     51 }
     52 
     53 mozilla::ipc::IPCResult ColorPickerParent::RecvOpen() {
     54  if (!CreateColorPicker()) {
     55    (void)Send__delete__(this, mInitialColor);
     56    return IPC_OK();
     57  }
     58 
     59  MOZ_ASSERT(!mCallback);
     60  mCallback = new ColorPickerShownCallback(this);
     61 
     62  mPicker->Open(mCallback);
     63  return IPC_OK();
     64 };
     65 
     66 void ColorPickerParent::ActorDestroy(ActorDestroyReason aWhy) {
     67  if (mCallback) {
     68    mCallback->Destroy();
     69  }
     70 }