widget/src/android/AndroidJavaWrappers.h

   1 /* -*- Mode: c++; c-basic-offset: 4; tab-width: 20; indent-tabs-mode: nil; -*-
   2  * ***** BEGIN LICENSE BLOCK *****
   3  * Version: MPL 1.1/GPL 2.0/LGPL 2.1
   4  *
   5  * The contents of this file are subject to the Mozilla Public License Version
   6  * 1.1 (the "License"); you may not use this file except in compliance with
   7  * the License. You may obtain a copy of the License at
   8  * http://www.mozilla.org/MPL/
   9  *
  10  * Software distributed under the License is distributed on an "AS IS" basis,
  11  * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
  12  * for the specific language governing rights and limitations under the
  13  * License.
  14  *
  15  * The Original Code is Mozilla Android code.
  16  *
  17  * The Initial Developer of the Original Code is Mozilla Foundation.
  18  * Portions created by the Initial Developer are Copyright (C) 2010
  19  * the Initial Developer. All Rights Reserved.
  20  *
  21  * Contributor(s):
  22  *   Vladimir Vukicevic <vladimir@pobox.com>
  23  *
  24  * Alternatively, the contents of this file may be used under the terms of
  25  * either the GNU General Public License Version 2 or later (the "GPL"), or
  26  * the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
  27  * in which case the provisions of the GPL or the LGPL are applicable instead
  28  * of those above. If you wish to allow use of your version of this file only
  29  * under the terms of either the GPL or the LGPL, and not to allow others to
  30  * use your version of this file under the terms of the MPL, indicate your
  31  * decision by deleting the provisions above and replace them with the notice
  32  * and other provisions required by the GPL or the LGPL. If you do not delete
  33  * the provisions above, a recipient may use your version of this file under
  34  * the terms of any one of the MPL, the GPL or the LGPL.
  35  *
  36  * ***** END LICENSE BLOCK ***** */
  37
  38 #ifndef AndroidJavaWrappers_h__
  39 #define AndroidJavaWrappers_h__
  40
  41 #include <jni.h>
  42 #include <android/log.h>
  43
  44 #include "nsGeoPosition.h"
  45 #include "nsPoint.h"
  46 #include "nsRect.h"
  47 #include "nsString.h"
  48
  49 //#define FORCE_ALOG 1
  50
  51 #ifndef ALOG
  52 #if defined(DEBUG) || defined(FORCE_ALOG)
  53 #define ALOG(args...)  __android_log_print(ANDROID_LOG_INFO, "Gecko" , ## args)
  54 #else
  55 #define ALOG(args...)
  56 #endif
  57 #endif
  58
  59 namespace mozilla {
  60
  61 void InitAndroidJavaWrappers(JNIEnv *jEnv);
  62
  63 /*
  64  * Note: do not store global refs to any WrappedJavaObject;
  65  * these are live only during a particular JNI method, as
  66  * NewGlobalRef is -not- called on the jobject.
  67  *
  68  * If this is needed, WrappedJavaObject can be extended to
  69  * handle it.
  70  */
  71
  72 class WrappedJavaObject {
  73 public:
  74     WrappedJavaObject() :
  75         wrapped_obj(0)
  76     { }
  77
  78     WrappedJavaObject(jobject jobj) {
  79         Init(jobj);
  80     }
  81
  82     void Init(jobject jobj) {
  83         wrapped_obj = jobj;
  84     }
  85
  86     bool isNull() const {
  87         return wrapped_obj == 0;
  88     }
  89
  90     jobject wrappedObject() const {
  91         return wrapped_obj;
  92     }
  93
  94 protected:
  95     jobject wrapped_obj;
  96 };
  97
  98 class AndroidPoint : public WrappedJavaObject
  99 {
 100 public:
 101     static void InitPointClass(JNIEnv *jEnv);
 102
 103     AndroidPoint() { }
 104     AndroidPoint(JNIEnv *jenv, jobject jobj) {
 105         Init(jenv, jobj);
 106     }
 107
 108     void Init(JNIEnv *jenv, jobject jobj);
 109
 110     int X() { return mX; }
 111     int Y() { return mY; }
 112
 113 protected:
 114     int mX;
 115     int mY;
 116
 117     static jclass jPointClass;
 118     static jfieldID jXField;
 119     static jfieldID jYField;
 120 };
 121
 122 class AndroidRect : public WrappedJavaObject
 123 {
 124 public:
 125     static void InitRectClass(JNIEnv *jEnv);
 126
 127     AndroidRect() { }
 128     AndroidRect(JNIEnv *jenv, jobject jobj) {
 129         Init(jenv, jobj);
 130     }
 131
 132     void Init(JNIEnv *jenv, jobject jobj);
 133
 134     int Bottom() { return mBottom; }
 135     int Left() { return mLeft; }
 136     int Right() { return mRight; }
 137     int Top() { return mTop; }
 138
 139 protected:
 140     int mBottom;
 141     int mLeft;
 142     int mRight;
 143     int mTop;
 144
 145     static jclass jRectClass;
 146     static jfieldID jBottomField;
 147     static jfieldID jLeftField;
 148     static jfieldID jRightField;
 149     static jfieldID jTopField;
 150 };
 151
 152 class AndroidGeckoSurfaceView : public WrappedJavaObject
 153 {
 154 public:
 155     static void InitGeckoSurfaceViewClass(JNIEnv *jEnv);
 156
 157     AndroidGeckoSurfaceView() { }
 158     AndroidGeckoSurfaceView(jobject jobj) {
 159         Init(jobj);
 160     }
 161
 162     void Init(jobject jobj);
 163
 164     enum {
 165         DRAW_ERROR = 0,
 166         DRAW_GLES_2 = 1
 167     };
 168
 169     int BeginDrawing();
 170     jobject GetSoftwareDrawBuffer();
 171     void EndDrawing();
 172     void Draw2D(jobject buffer, int stride);
 173
 174     // must have a JNI local frame when calling this,
 175     // and you'd better know what you're doing
 176     jobject GetSurfaceHolder();
 177
 178 protected:
 179     static jclass jGeckoSurfaceViewClass;
 180     static jmethodID jBeginDrawingMethod;
 181     static jmethodID jEndDrawingMethod;
 182     static jmethodID jDraw2DMethod;
 183     static jmethodID jGetSoftwareDrawBufferMethod;
 184     static jmethodID jGetHolderMethod;
 185 };
 186
 187 class AndroidKeyEvent
 188 {
 189 public:
 190     enum {
 191         KEYCODE_UNKNOWN            = 0,
 192         KEYCODE_SOFT_LEFT          = 1,
 193         KEYCODE_SOFT_RIGHT         = 2,
 194         KEYCODE_HOME               = 3,
 195         KEYCODE_BACK               = 4,
 196         KEYCODE_CALL               = 5,
 197         KEYCODE_ENDCALL            = 6,
 198         KEYCODE_0                  = 7,
 199         KEYCODE_1                  = 8,
 200         KEYCODE_2                  = 9,
 201         KEYCODE_3                  = 10,
 202         KEYCODE_4                  = 11,
 203         KEYCODE_5                  = 12,
 204         KEYCODE_6                  = 13,
 205         KEYCODE_7                  = 14,
 206         KEYCODE_8                  = 15,
 207         KEYCODE_9                  = 16,
 208         KEYCODE_STAR               = 17,
 209         KEYCODE_POUND              = 18,
 210         KEYCODE_DPAD_UP            = 19,
 211         KEYCODE_DPAD_DOWN          = 20,
 212         KEYCODE_DPAD_LEFT          = 21,
 213         KEYCODE_DPAD_RIGHT         = 22,
 214         KEYCODE_DPAD_CENTER        = 23,
 215         KEYCODE_VOLUME_UP          = 24,
 216         KEYCODE_VOLUME_DOWN        = 25,
 217         KEYCODE_POWER              = 26,
 218         KEYCODE_CAMERA             = 27,
 219         KEYCODE_CLEAR              = 28,
 220         KEYCODE_A                  = 29,
 221         KEYCODE_B                  = 30,
 222         KEYCODE_C                  = 31,
 223         KEYCODE_D                  = 32,
 224         KEYCODE_E                  = 33,
 225         KEYCODE_F                  = 34,
 226         KEYCODE_G                  = 35,
 227         KEYCODE_H                  = 36,
 228         KEYCODE_I                  = 37,
 229         KEYCODE_J                  = 38,
 230         KEYCODE_K                  = 39,
 231         KEYCODE_L                  = 40,
 232         KEYCODE_M                  = 41,
 233         KEYCODE_N                  = 42,
 234         KEYCODE_O                  = 43,
 235         KEYCODE_P                  = 44,
 236         KEYCODE_Q                  = 45,
 237         KEYCODE_R                  = 46,
 238         KEYCODE_S                  = 47,
 239         KEYCODE_T                  = 48,
 240         KEYCODE_U                  = 49,
 241         KEYCODE_V                  = 50,
 242         KEYCODE_W                  = 51,
 243         KEYCODE_X                  = 52,
 244         KEYCODE_Y                  = 53,
 245         KEYCODE_Z                  = 54,
 246         KEYCODE_COMMA              = 55,
 247         KEYCODE_PERIOD             = 56,
 248         KEYCODE_ALT_LEFT           = 57,
 249         KEYCODE_ALT_RIGHT          = 58,
 250         KEYCODE_SHIFT_LEFT         = 59,
 251         KEYCODE_SHIFT_RIGHT        = 60,
 252         KEYCODE_TAB                = 61,
 253         KEYCODE_SPACE              = 62,
 254         KEYCODE_SYM                = 63,
 255         KEYCODE_EXPLORER           = 64,
 256         KEYCODE_ENVELOPE           = 65,
 257         KEYCODE_ENTER              = 66,
 258         KEYCODE_DEL                = 67,
 259         KEYCODE_GRAVE              = 68,
 260         KEYCODE_MINUS              = 69,
 261         KEYCODE_EQUALS             = 70,
 262         KEYCODE_LEFT_BRACKET       = 71,
 263         KEYCODE_RIGHT_BRACKET      = 72,
 264         KEYCODE_BACKSLASH          = 73,
 265         KEYCODE_SEMICOLON          = 74,
 266         KEYCODE_APOSTROPHE         = 75,
 267         KEYCODE_SLASH              = 76,
 268         KEYCODE_AT                 = 77,
 269         KEYCODE_NUM                = 78,
 270         KEYCODE_HEADSETHOOK        = 79,
 271         KEYCODE_FOCUS              = 80,
 272         KEYCODE_PLUS               = 81,
 273         KEYCODE_MENU               = 82,
 274         KEYCODE_NOTIFICATION       = 83,
 275         KEYCODE_SEARCH             = 84,
 276         KEYCODE_MEDIA_PLAY_PAUSE   = 85,
 277         KEYCODE_MEDIA_STOP         = 86,
 278         KEYCODE_MEDIA_NEXT         = 87,
 279         KEYCODE_MEDIA_PREVIOUS     = 88,
 280         KEYCODE_MEDIA_REWIND       = 89,
 281         KEYCODE_MEDIA_FAST_FORWARD = 90,
 282         KEYCODE_MUTE               = 91,
 283         ACTION_DOWN                = 0,
 284         ACTION_UP                  = 1,
 285         ACTION_MULTIPLE            = 2,
 286         META_ALT_ON                = 0x00000002,
 287         META_ALT_LEFT_ON           = 0x00000010,
 288         META_ALT_RIGHT_ON          = 0x00000020,
 289         META_SHIFT_ON              = 0x00000001,
 290         META_SHIFT_LEFT_ON         = 0x00000040,
 291         META_SHIFT_RIGHT_ON        = 0x00000080,
 292         META_SYM_ON                = 0x00000004,
 293         FLAG_WOKE_HERE             = 0x00000001,
 294         FLAG_SOFT_KEYBOARD         = 0x00000002,
 295         FLAG_KEEP_TOUCH_MODE       = 0x00000004,
 296         FLAG_FROM_SYSTEM           = 0x00000008,
 297         FLAG_EDITOR_ACTION         = 0x00000010,
 298         FLAG_CANCELED              = 0x00000020,
 299         FLAG_VIRTUAL_HARD_KEY      = 0x00000040,
 300         FLAG_LONG_PRESS            = 0x00000080,
 301         FLAG_CANCELED_LONG_PRESS   = 0x00000100,
 302         FLAG_TRACKING              = 0x00000200,
 303         FLAG_START_TRACKING        = 0x40000000,
 304         dummy_java_enum_list_end
 305     };
 306 };
 307
 308 class AndroidMotionEvent
 309 {
 310 public:
 311     enum {
 312         ACTION_MASK = 0xff,
 313         ACTION_DOWN = 0,
 314         ACTION_UP = 1,
 315         ACTION_MOVE = 2,
 316         ACTION_CANCEL = 3,
 317         ACTION_OUTSIDE = 4,
 318         ACTION_POINTER_DOWN = 5,
 319         ACTION_POINTER_UP = 6,
 320         ACTION_POINTER_ID_MASK = 0xff00,
 321         ACTION_POINTER_ID_SHIFT = 8,
 322         EDGE_TOP = 0x00000001,
 323         EDGE_BOTTOM = 0x00000002,
 324         EDGE_LEFT = 0x00000004,
 325         EDGE_RIGHT = 0x00000008,
 326         SAMPLE_X = 0,
 327         SAMPLE_Y = 1,
 328         SAMPLE_PRESSURE = 2,
 329         SAMPLE_SIZE = 3,
 330         NUM_SAMPLE_DATA = 4,
 331         dummy_java_enum_list_end
 332     };
 333 };
 334
 335 class AndroidLocation : public WrappedJavaObject
 336 {
 337 public:
 338     static void InitLocationClass(JNIEnv *jEnv);
 339     static nsGeoPosition* CreateGeoPosition(JNIEnv *jenv, jobject jobj);
 340     static jclass jLocationClass;
 341     static jmethodID jGetLatitudeMethod;
 342     static jmethodID jGetLongitudeMethod;
 343     static jmethodID jGetAltitudeMethod;
 344     static jmethodID jGetAccuracyMethod;
 345     static jmethodID jGetBearingMethod;
 346     static jmethodID jGetSpeedMethod;
 347     static jmethodID jGetTimeMethod;
 348 };
 349
 350 class AndroidGeckoEvent : public WrappedJavaObject
 351 {
 352 public:
 353     static void InitGeckoEventClass(JNIEnv *jEnv);
 354
 355     AndroidGeckoEvent() { }
 356     AndroidGeckoEvent(int aType) {
 357         Init(aType);
 358     }
 359     AndroidGeckoEvent(int x1, int y1, int x2, int y2) {
 360         Init(x1, y1, x2, y2);
 361     }
 362     AndroidGeckoEvent(JNIEnv *jenv, jobject jobj) {
 363         Init(jenv, jobj);
 364     }
 365
 366     void Init(JNIEnv *jenv, jobject jobj);
 367     void Init(int aType);
 368     void Init(int x1, int y1, int x2, int y2);
 369
 370     int Action() { return mAction; }
 371     int Type() { return mType; }
 372     int64_t Time() { return mTime; }
 373     const nsIntPoint& P0() { return mP0; }
 374     const nsIntPoint& P1() { return mP1; }
 375     float X() { return mX; }
 376     float Y() { return mY; }
 377     float Z() { return mZ; }
 378     const nsIntRect& Rect() { return mRect; }
 379     nsAString& Characters() { return mCharacters; }
 380     int KeyCode() { return mKeyCode; }
 381     int MetaState() { return mMetaState; }
 382     int Flags() { return mFlags; }
 383     int UnicodeChar() { return mUnicodeChar; }
 384     int Offset() { return mOffset; }
 385     int Count() { return mCount; }
 386     int RangeType() { return mRangeType; }
 387     int RangeStyles() { return mRangeStyles; }
 388     int RangeForeColor() { return mRangeForeColor; }
 389     int RangeBackColor() { return mRangeBackColor; }
 390     nsGeoPosition* GeoPosition() { return mGeoPosition; }
 391
 392 protected:
 393     int mAction;
 394     int mType;
 395     int64_t mTime;
 396     nsIntPoint mP0;
 397     nsIntPoint mP1;
 398     nsIntRect mRect;
 399     int mFlags, mMetaState;
 400     int mKeyCode, mUnicodeChar;
 401     int mOffset, mCount;
 402     int mRangeType, mRangeStyles;
 403     int mRangeForeColor, mRangeBackColor;
 404     float mX, mY, mZ;
 405     nsString mCharacters;
 406     nsRefPtr<nsGeoPosition> mGeoPosition;
 407
 408     void ReadP0Field(JNIEnv *jenv);
 409     void ReadP1Field(JNIEnv *jenv);
 410     void ReadRectField(JNIEnv *jenv);
 411     void ReadCharactersField(JNIEnv *jenv);
 412
 413     static jclass jGeckoEventClass;
 414     static jfieldID jActionField;
 415     static jfieldID jTypeField;
 416     static jfieldID jTimeField;
 417     static jfieldID jP0Field;
 418     static jfieldID jP1Field;
 419     static jfieldID jXField;
 420     static jfieldID jYField;
 421     static jfieldID jZField;
 422     static jfieldID jRectField;
 423     static jfieldID jNativeWindowField;
 424
 425     static jfieldID jCharactersField;
 426     static jfieldID jKeyCodeField;
 427     static jfieldID jMetaStateField;
 428     static jfieldID jFlagsField;
 429     static jfieldID jOffsetField;
 430     static jfieldID jCountField;
 431     static jfieldID jUnicodeCharField;
 432     static jfieldID jRangeTypeField;
 433     static jfieldID jRangeStylesField;
 434     static jfieldID jRangeForeColorField;
 435     static jfieldID jRangeBackColorField;
 436     static jfieldID jLocationField;
 437
 438 public:
 439     enum {
 440         NATIVE_POKE = 0,
 441         KEY_EVENT = 1,
 442         MOTION_EVENT = 2,
 443         SENSOR_EVENT = 3,
 444         LOCATION_EVENT = 4,
 445         IME_EVENT = 5,
 446         DRAW = 6,
 447         SIZE_CHANGED = 7,
 448         ACTIVITY_STOPPING = 8,
 449         ACTIVITY_PAUSING = 9,
 450         ACTIVITY_SHUTDOWN = 10,
 451         LOAD_URI = 11,
 452         SURFACE_CREATED = 12,
 453         SURFACE_DESTROYED = 13,
 454         dummy_java_enum_list_end
 455     };
 456
 457     enum {
 458         IME_COMPOSITION_END = 0,
 459         IME_COMPOSITION_BEGIN = 1,
 460         IME_SET_TEXT = 2,
 461         IME_GET_TEXT = 3,
 462         IME_DELETE_TEXT = 4,
 463         IME_SET_SELECTION = 5,
 464         IME_GET_SELECTION = 6,
 465         IME_ADD_RANGE = 7
 466     };
 467 };
 468
 469 class nsJNIString : public nsString
 470 {
 471 public:
 472     nsJNIString(jstring jstr, JNIEnv *jenv = NULL);
 473 };
 474
 475 }
 476
 477 #endif