be48137beb
moved surfaceflinger, audioflinger, cameraservice all native services should now reside in this location. Change-Id: Icd7336f7289db35df9c8c1857a5122bb8a6f1c86
97 lines
2.8 KiB
C++
97 lines
2.8 KiB
C++
/*
|
|
* Copyright (C) 2007 The Android Open Source Project
|
|
*
|
|
* 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 ANDROID_DISPLAY_HARDWARE_BASE_H
|
|
#define ANDROID_DISPLAY_HARDWARE_BASE_H
|
|
|
|
#include <stdint.h>
|
|
#include <utils/RefBase.h>
|
|
#include <utils/threads.h>
|
|
#include <linux/kd.h>
|
|
#include <linux/vt.h>
|
|
#include "Barrier.h"
|
|
|
|
namespace android {
|
|
|
|
class SurfaceFlinger;
|
|
|
|
class DisplayHardwareBase
|
|
{
|
|
public:
|
|
DisplayHardwareBase(
|
|
const sp<SurfaceFlinger>& flinger,
|
|
uint32_t displayIndex);
|
|
|
|
~DisplayHardwareBase();
|
|
|
|
// console managment
|
|
void releaseScreen() const;
|
|
void acquireScreen() const;
|
|
bool canDraw() const;
|
|
|
|
private:
|
|
class DisplayEventThreadBase : public Thread {
|
|
protected:
|
|
wp<SurfaceFlinger> mFlinger;
|
|
public:
|
|
DisplayEventThreadBase(const sp<SurfaceFlinger>& flinger);
|
|
virtual ~DisplayEventThreadBase();
|
|
virtual void onFirstRef() {
|
|
run("DisplayEventThread", PRIORITY_URGENT_DISPLAY);
|
|
}
|
|
virtual status_t acquireScreen() const { return NO_ERROR; };
|
|
virtual status_t releaseScreen() const { return NO_ERROR; };
|
|
virtual status_t initCheck() const = 0;
|
|
};
|
|
|
|
class DisplayEventThread : public DisplayEventThreadBase
|
|
{
|
|
mutable Barrier mBarrier;
|
|
public:
|
|
DisplayEventThread(const sp<SurfaceFlinger>& flinger);
|
|
virtual ~DisplayEventThread();
|
|
virtual bool threadLoop();
|
|
virtual status_t readyToRun();
|
|
virtual status_t releaseScreen() const;
|
|
virtual status_t initCheck() const;
|
|
};
|
|
|
|
class ConsoleManagerThread : public DisplayEventThreadBase
|
|
{
|
|
int consoleFd;
|
|
int vt_num;
|
|
int prev_vt_num;
|
|
vt_mode vm;
|
|
static void sigHandler(int sig);
|
|
static pid_t sSignalCatcherPid;
|
|
public:
|
|
ConsoleManagerThread(const sp<SurfaceFlinger>& flinger);
|
|
virtual ~ConsoleManagerThread();
|
|
virtual bool threadLoop();
|
|
virtual status_t readyToRun();
|
|
virtual void requestExit();
|
|
virtual status_t releaseScreen() const;
|
|
virtual status_t initCheck() const;
|
|
};
|
|
|
|
sp<DisplayEventThreadBase> mDisplayEventThread;
|
|
mutable int mCanDraw;
|
|
};
|
|
|
|
}; // namespace android
|
|
|
|
#endif // ANDROID_DISPLAY_HARDWARE_BASE_H
|