gecko-dev/widget/gonk/nsAppShell.h

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/* 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 nsAppShell_h
#define nsAppShell_h
#include <queue>
#include "mozilla/Mutex.h"
#include "nsBaseAppShell.h"
#include "nsTArray.h"
#include "utils/RefBase.h"
namespace mozilla {
bool ProcessNextEvent();
void NotifyEvent();
}
extern bool gDrawRequest;
class FdHandler;
typedef void(*FdHandlerCallback)(int, FdHandler *);
class FdHandler {
public:
FdHandler()
{
memset(name, 0, sizeof(name));
}
int fd;
char name[64];
FdHandlerCallback func;
void run()
{
func(fd, this);
}
};
namespace android {
class EventHub;
class InputReader;
class InputReaderThread;
}
class GeckoInputReaderPolicy;
class GeckoInputDispatcher;
class nsAppShell : public nsBaseAppShell {
public:
nsAppShell();
NS_DECL_ISUPPORTS_INHERITED
NS_DECL_NSIOBSERVER
nsresult Init();
NS_IMETHOD Exit() override;
virtual bool ProcessNextNativeEvent(bool maywait);
void NotifyNativeEvent();
static void NotifyScreenInitialized();
static void NotifyScreenRotation();
void CheckPowerKey();
protected:
virtual ~nsAppShell();
virtual void ScheduleNativeEventCallback();
private:
nsresult AddFdHandler(int fd, FdHandlerCallback handlerFunc,
const char* deviceName);
void InitInputDevices();
// This is somewhat racy but is perfectly safe given how the callback works
bool mNativeCallbackRequest;
// This gets flipped when we observe a browser-ui-startup-complete.
// browser-ui-startup-complete means that we're really ready to draw
// and can stop the boot animation
bool mEnableDraw;
nsTArray<FdHandler> mHandlers;
android::sp<android::EventHub> mEventHub;
android::sp<GeckoInputReaderPolicy> mReaderPolicy;
android::sp<GeckoInputDispatcher> mDispatcher;
android::sp<android::InputReader> mReader;
android::sp<android::InputReaderThread> mReaderThread;
// Guard against checking power key after the first configuration change.
bool mPowerKeyChecked;
};
#endif /* nsAppShell_h */