The Tor Browser: widget/gonk/libui/VirtualKeyMap.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) 2010 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 _ANDROIDFW_VIRTUAL_KEY_MAP_H

    18 #define _ANDROIDFW_VIRTUAL_KEY_MAP_H

    20 #include <stdint.h>

    22 #include "Input.h"

    23 #include <utils/Errors.h>

    24 #include <utils/KeyedVector.h>

    25 #include "Tokenizer.h"

    26 #include <utils/String8.h>

    27 #include <utils/Unicode.h>

    29 namespace android {

    31 /* Describes a virtual key. */

    32 struct VirtualKeyDefinition {

    33     int32_t scanCode;

    35     // configured position data, specified in display coords

    36     int32_t centerX;

    37     int32_t centerY;

    38     int32_t width;

    39     int32_t height;

    40 };

    43 /**

    44  * Describes a collection of virtual keys on a touch screen in terms of

    45  * virtual scan codes and hit rectangles.

    46  *

    47  * This object is immutable after it has been loaded.

    48  */

    49 class VirtualKeyMap {

    50 public:

    51     ~VirtualKeyMap();

    53     static status_t load(const String8& filename, VirtualKeyMap** outMap);

    55     inline const Vector<VirtualKeyDefinition>& getVirtualKeys() const {

    56         return mVirtualKeys;

    57     }

    59 private:

    60     class Parser {

    61         VirtualKeyMap* mMap;

    62         Tokenizer* mTokenizer;

    64     public:

    65         Parser(VirtualKeyMap* map, Tokenizer* tokenizer);

    66         ~Parser();

    67         status_t parse();

    69     private:

    70         bool consumeFieldDelimiterAndSkipWhitespace();

    71         bool parseNextIntField(int32_t* outValue);

    72     };

    74     Vector<VirtualKeyDefinition> mVirtualKeys;

    76     VirtualKeyMap();

    77 };

    79 } // namespace android

    81 #endif // _ANDROIDFW_KEY_CHARACTER_MAP_H

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