The Tor Browser: widget/gonk/libui/InputApplication.h@6474c204b198

Cloned upstream origin tor-browser at tor-browser-31.3.0esr-4.5-1-build1
revision ID fc1c9ff7c1b2defdbc039f12214767608f46423f for hacking purpose.

     1 /*

     2  * Copyright (C) 2011 The Android Open Source Project

     3  *

     4  * Licensed under the Apache License, Version 2.0 (the "License");

     5  * you may not use this file except in compliance with the License.

     6  * You may obtain a copy of the License at

     7  *

     8  *      http://www.apache.org/licenses/LICENSE-2.0

     9  *

    10  * Unless required by applicable law or agreed to in writing, software

    11  * distributed under the License is distributed on an "AS IS" BASIS,

    12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.

    13  * See the License for the specific language governing permissions and

    14  * limitations under the License.

    15  */

    17 #ifndef _UI_INPUT_APPLICATION_H

    18 #define _UI_INPUT_APPLICATION_H

    20 #include "Input.h"

    22 #include <utils/RefBase.h>

    23 #include <utils/Timers.h>

    24 #include <utils/String8.h>

    26 namespace android {

    28 /*

    29  * Describes the properties of an application that can receive input.

    30  */

    31 struct InputApplicationInfo {

    32     String8 name;

    33     nsecs_t dispatchingTimeout;

    34 };

    37 /*

    38  * Handle for an application that can receive input.

    39  *

    40  * Used by the native input dispatcher as a handle for the window manager objects

    41  * that describe an application.

    42  */

    43 class InputApplicationHandle : public RefBase {

    44 public:

    45     inline const InputApplicationInfo* getInfo() const {

    46         return mInfo;

    47     }

    49     inline String8 getName() const {

    50         return mInfo ? mInfo->name : String8("<invalid>");

    51     }

    53     inline nsecs_t getDispatchingTimeout(nsecs_t defaultValue) const {

    54         return mInfo ? mInfo->dispatchingTimeout : defaultValue;

    55     }

    57     /**

    58      * Requests that the state of this object be updated to reflect

    59      * the most current available information about the application.

    60      *

    61      * This method should only be called from within the input dispatcher's

    62      * critical section.

    63      *

    64      * Returns true on success, or false if the handle is no longer valid.

    65      */

    66     virtual bool updateInfo() = 0;

    68     /**

    69      * Releases the storage used by the associated information when it is

    70      * no longer needed.

    71      */

    72     void releaseInfo();

    74 protected:

    75     InputApplicationHandle();

    76     virtual ~InputApplicationHandle();

    78     InputApplicationInfo* mInfo;

    79 };

    81 } // namespace android

    83 #endif // _UI_INPUT_APPLICATION_H

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