widget/gonk/nsScreenManagerGonk.h
author Andrea Marchesini <amarchesini@mozilla.com>
Wed, 29 Apr 2015 09:46:00 +0200
changeset 273122 1d8a8363362266ded5166b33c96d2910e8d48322
parent 273097 37018cb81886abd3f68ab9107f76f7b366250cea
child 273953 8cb1e6f993a7b19d2eafd93cd7fc479e9d8e3ac7
permissions -rw-r--r--
Bug 1159794 - "fix the comment for dom.workers.websocket.enabled in all.js" . r=bz

/* -*- Mode: C++; tab-width: 40; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/* Copyright 2012 Mozilla Foundation and Mozilla contributors
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

#ifndef nsScreenManagerGonk_h___
#define nsScreenManagerGonk_h___

#include "mozilla/Hal.h"
#include "nsCOMPtr.h"

#include "nsBaseScreen.h"
#include "nsIScreenManager.h"

class nsRunnable;
class nsWindow;

class nsScreenGonk : public nsBaseScreen
{
    typedef mozilla::hal::ScreenConfiguration ScreenConfiguration;

public:
    nsScreenGonk();
    ~nsScreenGonk();

    NS_IMETHOD GetId(uint32_t* aId);
    NS_IMETHOD GetRect(int32_t* aLeft, int32_t* aTop, int32_t* aWidth, int32_t* aHeight);
    NS_IMETHOD GetAvailRect(int32_t* aLeft, int32_t* aTop, int32_t* aWidth, int32_t* aHeight);
    NS_IMETHOD GetPixelDepth(int32_t* aPixelDepth);
    NS_IMETHOD GetColorDepth(int32_t* aColorDepth);
    NS_IMETHOD GetRotation(uint32_t* aRotation);
    NS_IMETHOD SetRotation(uint32_t  aRotation);

    nsIntRect GetNaturalBounds();
    uint32_t EffectiveScreenRotation();
    ScreenConfiguration GetConfiguration();

    void RegisterWindow(nsWindow* aWindow);
    void UnregisterWindow(nsWindow* aWindow);
    void BringToTop(nsWindow* aWindow);

    const nsTArray<nsWindow*>& GetTopWindows() const
    {
        return mTopWindows;
    }

protected:
    nsIntRect mScreenBounds;
    nsIntRect mVirtualBounds;
    uint32_t mScreenRotation;
    uint32_t mPhysicalScreenRotation;
    nsTArray<nsWindow*> mTopWindows;
};

class nsScreenManagerGonk final : public nsIScreenManager
{
public:
    nsScreenManagerGonk();

    NS_DECL_ISUPPORTS
    NS_DECL_NSISCREENMANAGER

    static already_AddRefed<nsScreenManagerGonk> GetInstance();
    static already_AddRefed<nsScreenGonk> GetPrimaryScreen();

    void Initialize();
    void DisplayEnabled(bool aEnabled);

protected:
    ~nsScreenManagerGonk();

    bool mInitialized;
    nsCOMPtr<nsIScreen> mOneScreen;
    nsRefPtr<nsRunnable> mScreenOnEvent;
    nsRefPtr<nsRunnable> mScreenOffEvent;
};

#endif /* nsScreenManagerGonk_h___ */