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The JUCE cross-platform C++ framework, with DISTRHO/KXStudio specific changes
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  1. /*

  2.   ==============================================================================

  3. 

  4.    This file is part of the JUCE library.

  5.    Copyright (c) 2022 - Raw Material Software Limited

  6. 

  7.    JUCE is an open source library subject to commercial or open-source

  8.    licensing.

  9. 

  10.    By using JUCE, you agree to the terms of both the JUCE 7 End-User License

  11.    Agreement and JUCE Privacy Policy.

  12. 

  13.    End User License Agreement: www.juce.com/juce-7-licence

  14.    Privacy Policy: www.juce.com/juce-privacy-policy

  15. 

  16.    Or: You may also use this code under the terms of the GPL v3 (see

  17.    www.gnu.org/licenses).

  18. 

  19.    JUCE IS PROVIDED "AS IS" WITHOUT ANY WARRANTY, AND ALL WARRANTIES, WHETHER

  20.    EXPRESSED OR IMPLIED, INCLUDING MERCHANTABILITY AND FITNESS FOR PURPOSE, ARE

  21.    DISCLAIMED.

  22. 

  23.   ==============================================================================

  24. */

  25. 

  26. namespace juce

  27. {

  28. 

  29. //==============================================================================

  30. // This byte-code is generated from native/java/com/rmsl/juce/JuceWebView.java with min sdk version 16

  31. // See juce_core/native/java/README.txt on how to generate this byte-code.

  32. static const uint8 JuceWebView16ByteCode[] =

  33. {31,139,8,8,150,114,161,94,0,3,74,117,99,101,87,101,98,86,105,101,119,49,54,66,121,116,101,67,111,100,101,46,100,101,120,0,125,

  34. 150,93,108,20,85,20,199,207,124,236,78,119,218,110,183,5,74,191,40,109,69,168,72,89,176,162,165,11,88,40,159,101,81,161,88,226,

  35. 106,34,211,221,107,59,101,118,102,153,153,109,27,67,16,161,137,134,240,96,4,222,72,140,9,18,35,62,18,195,131,15,4,53,250,226,155,

  36. 209,23,30,212,4,195,131,15,198,24,98,20,19,255,119,238,221,101,129,226,110,126,123,206,61,231,220,123,207,189,247,236,204,

  37. 45,176,121,115,195,224,38,242,254,253,180,235,204,157,47,183,223,188,240,115,199,231,119,79,174,251,240,23,243,246,209,206,219,

  38. 79,221,168,39,42,17,209,252,196,179,45,36,63,247,76,162,17,18,246,165,92,42,68,141,144,55,32,117,200,215,85,162,37,144,39,32,

  39. 53,30,131,159,108,29,81,8,217,16,71,27,244,129,181,96,0,188,0,118,130,55,192,9,240,1,184,6,126,0,247,64,171,65,244,28,56,10,22,

  40. 192,71,224,107,112,27,212,97,220,149,96,16,236,1,99,224,69,48,14,94,5,71,65,1,216,192,3,62,152,7,111,131,115,224,60,184,4,62,

  41. 6,87,193,117,112,19,124,7,126,4,191,130,223,192,63,160,62,65,212,9,214,130,109,96,31,176,64,17,204,131,147,224,12,56,11,222,7,87,

  42. 193,55,224,39,240,23,104,54,197,126,96,73,132,212,9,67,18,204,4,51,97,155,169,129,196,62,38,65,19,72,129,102,192,55,126,137,

  43. 220,235,101,160,21,44,7,43,65,76,142,119,57,38,108,149,67,106,147,250,103,176,183,75,253,26,244,78,169,127,1,189,67,234,223,66,

  44. 239,146,250,247,208,187,165,126,11,250,10,169,95,174,177,223,169,209,255,132,222,35,243,227,227,244,74,157,39,197,215,182,58,

  45. 90,99,138,250,229,58,87,71,82,180,99,164,144,8,53,35,89,39,219,9,82,165,140,211,64,36,27,104,125,36,53,26,150,50,19,141,35,226,

  46. 76,244,91,19,201,58,74,71,50,65,27,34,105,208,70,57,239,96,36,99,180,37,146,245,180,53,146,58,109,139,246,94,204,155,170,206,

  47. 79,145,22,147,123,201,107,58,68,227,138,72,51,26,79,145,231,87,241,47,192,255,149,244,215,75,127,170,198,127,1,254,63,164,159,

  48. 103,189,0,253,172,121,95,63,111,138,62,151,76,30,175,69,122,187,41,234,161,148,226,190,62,140,87,74,241,61,127,45,165,80,174,

  49. 69,212,137,142,17,248,248,171,77,81,7,227,56,140,210,72,156,212,141,73,172,62,22,249,6,76,81,111,194,103,192,215,18,213,87,101,

  50. 158,231,171,243,168,15,205,163,97,30,53,154,71,156,149,66,59,77,81,167,135,183,107,180,66,105,69,250,185,29,42,117,43,73,140,

  51. 208,173,172,145,245,168,224,155,192,156,90,212,62,96,138,122,30,31,81,137,247,192,153,168,155,225,75,70,150,210,68,146,244,131,

  52. 253,127,243,253,212,163,248,9,83,172,173,54,126,8,163,137,232,38,68,39,177,199,122,180,222,163,166,168,183,241,210,35,99,251,

  53. 42,25,199,141,5,227,162,113,101,54,206,207,182,255,46,63,27,158,147,74,51,232,247,4,175,97,229,240,105,172,68,29,95,64,127,12,

  54. 184,81,211,227,67,90,3,241,118,41,215,68,123,47,154,52,132,185,186,213,102,165,91,237,83,227,212,161,109,194,46,42,244,76,179,

  55. 209,219,127,183,17,214,53,242,185,183,4,115,244,70,187,196,191,61,82,226,89,99,10,191,216,213,100,244,28,172,253,156,122,168,125,

  56. 238,161,54,175,17,3,79,2,165,166,205,45,122,85,170,164,73,189,89,214,30,63,111,173,234,173,232,98,12,174,55,227,219,36,107,

  57. 211,64,230,75,96,141,111,177,93,59,220,70,13,163,211,190,87,100,163,142,205,220,144,226,82,42,99,148,26,43,231,217,17,54,57,97,

  58. 179,185,245,51,214,172,69,90,54,155,165,246,172,229,22,124,207,46,164,167,124,171,52,109,231,131,244,14,59,44,90,165,12,117,

  59. 86,93,46,11,211,211,97,88,74,143,7,206,46,223,247,252,12,45,173,58,189,32,125,128,5,129,53,197,50,212,83,181,206,177,201,99,118,

  60. 88,237,176,23,118,135,249,139,68,32,165,218,148,51,180,106,145,136,67,44,240,202,126,158,65,150,60,55,192,76,109,139,68,241,

  61. 165,101,168,251,49,158,202,248,253,217,188,87,76,251,197,192,73,207,96,75,210,53,251,178,234,193,76,250,254,47,82,198,116,62,62,

  62. 134,15,80,176,156,89,251,88,218,114,93,47,180,66,219,115,211,187,220,188,227,5,182,59,53,234,88,65,192,211,125,52,102,159,

  63. 235,50,95,250,123,23,241,31,96,197,73,25,192,16,178,44,203,207,51,109,123,232,88,42,135,227,161,207,172,98,134,90,132,217,177,

  64. 220,169,244,75,147,51,44,31,62,104,67,28,210,200,144,50,65,234,196,24,105,19,99,89,210,241,147,165,24,255,205,194,154,133,53,

  65. 203,173,188,169,228,72,207,69,238,92,54,151,203,82,189,149,207,227,224,119,59,214,84,64,49,198,143,153,140,55,173,89,59,239,185,

  66. 100,76,139,19,39,125,218,11,66,170,231,191,59,153,195,66,86,160,58,222,200,122,249,99,148,224,218,97,239,149,128,81,157,29,

  67. 236,180,45,199,155,162,70,59,128,193,223,195,130,176,236,51,210,93,171,200,168,209,115,71,177,111,236,136,237,22,188,57,74,162,

  68. 137,85,134,53,237,151,81,129,187,241,39,8,166,49,69,163,104,143,135,150,207,103,108,241,220,67,44,207,236,89,86,168,84,36,37,

  69. 124,22,148,157,240,64,48,69,173,193,180,87,118,10,251,220,144,161,200,74,225,33,118,188,140,217,201,20,246,172,103,21,40,17,178,

  70. 121,254,47,40,58,164,135,211,118,64,90,217,119,40,54,107,57,101,228,56,139,243,166,246,185,74,165,85,19,173,140,212,81,113,

  71. 213,36,93,241,45,151,62,158,48,159,170,186,136,214,135,28,149,213,84,58,60,178,164,248,156,216,13,71,89,107,36,213,229,25,117,

  72. 102,110,128,2,101,196,72,230,232,45,125,248,233,117,131,92,27,136,188,155,51,234,94,120,7,201,72,110,221,223,221,69,25,117,120,

  73. 200,72,158,237,162,253,218,240,208,147,70,242,221,28,141,106,195,171,87,69,182,131,220,185,98,235,123,51,26,109,90,58,208,27,163,

  74. 206,149,231,113,13,48,146,164,54,40,67,109,245,106,163,218,167,39,214,45,87,42,138,170,38,149,161,46,181,45,209,134,23,189,

  75. 166,146,170,180,104,239,156,210,47,24,218,105,188,167,128,174,220,48,20,229,22,94,104,122,76,133,183,14,222,123,70,92,122,57,9,

  76. 229,147,58,68,128,115,9,69,185,14,126,79,240,231,99,51,34,111,153,149,247,179,82,35,71,72,220,107,249,51,179,114,183,229,207,

  77. 203,218,251,109,229,142,27,163,251,247,220,56,221,191,235,106,41,161,243,231,188,210,35,238,11,23,160,199,123,164,29,29,149,148,

  78. 176,243,123,149,218,35,230,229,119,99,77,198,243,119,191,222,35,239,22,220,32,251,70,119,144,148,200,149,223,195,255,3,213,

  79. 111,243,3,192,11,0,0,0,0};

  80. 

  81. //==============================================================================

  82. // This byte-code is generated from native/javacore/app/com/rmsl/juce/JuceWebView21.java with min sdk version 21

  83. // See juce_core/native/java/README.txt on how to generate this byte-code.

  84. static const uint8 JuceWebView21ByteCode[] =

  85. {31,139,8,8,45,103,161,94,0,3,74,117,99,101,87,101,98,86,105,101,119,50,49,46,100,101,120,0,141,151,93,140,27,87,21,199,207,

  86. 204,216,30,219,99,59,182,55,251,145,143,221,110,210,173,178,105,154,186,155,164,52,169,211,106,241,38,219,221,48,41,52,155,108,

  87. 138,43,85,154,181,47,235,73,188,51,206,204,120,119,65,162,132,80,148,138,34,148,168,20,181,125,129,135,16,129,4,18,168,125,136,

  88. 42,224,133,207,74,60,160,138,135,208,71,210,151,162,128,242,148,86,136,7,254,247,99,28,111,18,34,108,253,124,206,61,231,220,

  89. 143,115,239,153,241,76,147,173,103,159,216,255,36,253,228,121,251,31,197,127,189,252,251,226,31,94,89,242,217,87,31,123,227,

  90. 151,175,95,184,28,222,168,188,152,39,234,16,209,250,226,129,50,169,207,247,115,68,243,36,237,67,188,173,17,149,32,111,66,38,32,

  91. 175,233,68,195,144,215,33,13,200,75,248,105,101,136,110,65,222,74,17,125,6,82,38,81,1,148,192,35,96,18,236,5,115,224,37,176,14,

  92. 190,7,126,1,62,4,159,130,209,52,209,83,224,52,248,22,248,41,248,19,184,9,114,24,191,2,102,65,29,120,224,28,232,130,175,129,

  93. 243,224,34,120,29,92,2,63,0,111,131,31,130,171,224,93,240,62,248,0,124,8,62,2,55,192,39,224,54,160,44,145,5,6,193,4,120,20,28,

  94. 2,243,224,203,160,5,190,14,46,131,119,192,143,193,175,193,7,224,175,224,35,240,49,248,4,220,2,183,65,201,66,206,96,22,188,12,

  95. 214,193,101,75,238,25,210,37,164,69,106,106,130,153,176,237,132,227,160,2,216,4,138,36,247,157,31,204,0,216,12,6,213,153,240,

  96. 253,31,1,91,192,86,176,19,36,129,174,206,48,165,198,111,165,164,125,64,217,183,170,113,248,103,155,210,59,136,217,174,244,117,

  97. 232,99,74,63,223,167,127,23,250,168,210,223,130,254,144,210,175,64,223,161,244,159,245,233,215,160,143,43,253,119,125,246,63,

  98. 247,233,215,161,63,172,114,226,99,78,40,253,227,148,220,143,61,98,95,202,180,87,237,205,30,33,101,91,199,247,89,145,167,33,114,

  99. 225,251,185,91,228,92,16,237,172,178,91,162,98,185,204,208,62,33,139,180,95,200,36,213,148,156,17,227,202,184,28,250,61,38,100,

  100. 142,14,8,153,167,39,133,180,232,115,66,102,233,41,33,53,122,90,200,52,29,17,114,19,29,21,210,164,89,33,83,244,156,56,79,185,

  101. 142,114,111,61,132,158,242,124,248,135,207,122,16,141,253,57,82,243,75,127,182,207,63,7,255,11,202,159,87,254,114,159,255,69,

  102. 248,47,42,63,63,255,18,244,225,220,29,125,60,39,251,236,206,241,120,67,232,111,91,114,172,78,81,67,123,39,198,235,20,121,93,189,

  103. 132,118,189,44,107,48,129,17,248,248,87,45,185,222,5,28,104,103,58,77,250,84,1,89,38,133,239,231,150,220,123,233,203,192,87,22,

  104. 181,27,207,115,173,55,79,226,174,121,12,204,163,139,121,146,34,82,163,63,90,50,255,147,159,55,104,84,27,194,242,235,53,157,

  105. 198,180,2,70,24,211,118,137,58,78,17,95,111,6,115,26,162,253,23,75,94,43,11,211,58,241,30,83,72,251,16,124,5,97,233,44,150,40,

  106. 241,194,228,191,121,93,36,68,252,223,44,153,91,127,252,65,140,38,163,203,136,46,136,154,225,249,222,176,228,117,179,208,185,

  107. 103,236,64,39,243,156,249,170,249,166,121,117,53,53,128,21,77,222,166,94,191,127,254,159,253,54,247,250,241,92,116,250,212,146,

  108. 53,94,214,78,94,192,14,232,11,175,162,63,6,156,50,18,169,131,198,102,226,237,160,168,163,54,114,134,87,228,247,145,156,209,

  109. 89,40,211,220,155,89,58,136,185,199,244,146,54,166,239,212,211,180,213,56,140,211,48,104,95,201,220,49,121,59,15,235,46,117,

  110. 239,222,134,57,119,139,221,230,223,73,37,177,239,57,233,151,167,83,16,247,242,254,207,127,238,106,167,19,27,219,188,214,248,169,

  111. 104,125,109,110,73,40,153,196,106,99,221,196,105,24,74,31,80,245,204,239,131,70,47,50,214,77,113,15,211,85,164,161,164,166,252,

  112. 3,248,150,212,53,144,193,157,99,144,239,255,97,215,115,163,103,41,55,211,10,252,21,54,211,118,153,23,81,74,73,237,24,149,143,

  113. 117,27,236,52,91,90,116,217,218,190,169,199,207,56,171,14,105,54,25,182,109,211,22,219,241,154,129,239,54,43,203,129,211,105,

  114. 185,141,176,82,115,163,21,167,83,165,82,207,229,177,168,114,42,112,171,180,109,131,169,21,69,157,202,66,216,62,26,4,126,80,165,

  115. 205,61,167,31,86,142,179,48,116,150,89,149,198,123,214,53,182,116,214,141,122,29,230,96,111,179,224,62,17,88,106,127,42,85,122,

  116. 248,62,17,39,88,232,119,131,6,59,193,206,117,89,136,160,137,7,6,133,29,223,11,177,156,145,251,68,241,125,169,210,216,255,240,

  117. 196,139,120,212,110,248,43,149,96,37,108,87,206,96,63,43,27,54,117,98,227,130,39,30,28,171,162,70,31,20,85,165,157,118,211,105,

  118. 175,186,103,43,142,231,249,145,19,185,190,87,57,234,53,218,126,232,122,203,51,109,39,12,249,162,239,141,153,247,60,22,40,255,

  119. 142,251,248,143,179,149,37,21,192,16,50,104,243,130,168,184,62,58,118,186,209,66,20,48,103,165,74,101,105,110,59,222,114,229,

  120. 139,75,103,88,35,218,104,67,28,150,81,37,109,145,244,197,99,100,44,30,179,41,129,31,155,146,252,215,134,21,37,182,104,115,43,

  121. 111,106,117,74,212,133,187,110,215,235,54,89,78,163,129,26,153,109,59,203,33,37,25,175,8,202,11,17,31,22,153,95,113,86,221,134,

  122. 239,81,106,153,69,167,130,54,153,45,89,51,148,104,249,97,68,22,255,61,194,218,44,98,77,74,243,134,237,55,206,82,134,107,39,

  123. 253,83,24,33,237,134,71,92,167,237,47,83,222,13,97,8,158,67,169,116,3,70,9,207,89,97,148,247,189,25,108,39,59,237,122,77,127,

  124. 141,10,104,34,249,168,175,253,37,212,240,44,46,175,176,133,41,242,178,189,16,57,1,159,113,192,247,78,176,6,115,87,89,115,14,87,

  125. 130,40,106,42,223,49,198,133,78,102,32,107,148,50,1,11,187,237,232,120,184,76,67,97,203,239,182,155,243,94,196,80,159,157,72,

  126. 149,49,101,165,221,246,157,38,101,34,182,206,175,178,149,54,37,162,150,27,82,58,242,229,182,147,209,197,118,36,87,157,118,23,

  127. 185,172,162,96,104,203,90,92,174,189,132,226,49,183,198,174,190,228,98,223,176,242,241,196,248,164,189,100,135,238,114,196,89,

  128. 143,40,251,189,169,15,223,229,233,229,159,90,147,251,185,166,85,204,130,62,92,213,207,172,237,165,87,180,121,179,80,167,111,

  129. 107,137,218,19,83,79,115,245,113,225,254,45,85,245,223,124,3,1,7,200,44,60,243,133,177,237,116,88,175,77,155,133,239,108,39,

  130. 219,168,77,239,54,11,23,235,116,194,168,29,154,20,182,35,70,109,207,46,161,213,245,218,33,115,244,153,215,254,110,208,225,161,

  131. 189,59,146,180,237,161,55,112,223,55,11,164,23,180,233,145,188,190,73,127,36,145,153,26,214,98,69,215,139,218,244,118,125,196,

  132. 26,201,145,110,224,233,74,43,39,191,121,62,113,41,109,92,208,73,3,41,237,87,105,77,187,142,127,255,100,74,135,55,11,239,103,

  133. 105,83,121,99,44,237,74,6,81,224,181,172,166,189,7,110,130,43,22,191,201,15,162,199,143,248,255,123,81,253,71,104,125,50,126,

  134. 223,224,247,250,248,157,131,223,227,251,223,59,226,119,15,254,63,30,191,127,164,232,206,59,136,81,148,58,255,239,210,198,229,

  135. 179,22,30,59,40,53,46,237,252,57,75,43,202,231,17,254,92,172,143,203,121,249,59,139,161,226,249,115,81,98,92,206,197,159,157,72,

  136. 245,221,175,22,206,215,202,223,143,254,11,250,146,74,12,88,13,0,0,0,0};

  137. 

  138. 

  139. #define JNI_CLASS_MEMBERS(METHOD, STATICMETHOD, FIELD, STATICFIELD, CALLBACK) \

  140.   METHOD (constructor,         "<init>",              "(Landroid/content/Context;)V") \

  141.   METHOD (getSettings,         "getSettings",         "()Landroid/webkit/WebSettings;") \

  142.   METHOD (canGoBack,           "canGoBack",           "()Z") \

  143.   METHOD (goBack,              "goBack",              "()V") \

  144.   METHOD (goForward,           "goForward",           "()V") \

  145.   METHOD (loadDataWithBaseURL, "loadDataWithBaseURL", "(Ljava/lang/String;Ljava/lang/String;Ljava/lang/String;Ljava/lang/String;Ljava/lang/String;)V") \

  146.   METHOD (loadUrl,             "loadUrl",             "(Ljava/lang/String;Ljava/util/Map;)V") \

  147.   METHOD (postUrl,             "postUrl",             "(Ljava/lang/String;[B)V") \

  148.   METHOD (reload,              "reload",              "()V") \

  149.   METHOD (setWebChromeClient,  "setWebChromeClient",  "(Landroid/webkit/WebChromeClient;)V") \

  150.   METHOD (setWebViewClient,    "setWebViewClient",    "(Landroid/webkit/WebViewClient;)V") \

  151.   METHOD (stopLoading,         "stopLoading",         "()V")

  152. 

  153. DECLARE_JNI_CLASS (AndroidWebView, "android/webkit/WebView")

  154. #undef JNI_CLASS_MEMBERS

  155. 

  156. #define JNI_CLASS_MEMBERS(METHOD, STATICMETHOD, FIELD, STATICFIELD, CALLBACK) \

  157.   METHOD (constructor, "<init>", "()V")

  158. 

  159. DECLARE_JNI_CLASS (AndroidWebChromeClient, "android/webkit/WebChromeClient")

  160. #undef JNI_CLASS_MEMBERS

  161. 

  162. #define JNI_CLASS_MEMBERS(METHOD, STATICMETHOD, FIELD, STATICFIELD, CALLBACK) \

  163.   METHOD (constructor, "<init>", "()V")

  164. 

  165. DECLARE_JNI_CLASS (AndroidWebViewClient, "android/webkit/WebViewClient")

  166. #undef JNI_CLASS_MEMBERS

  167. 

  168. #define JNI_CLASS_MEMBERS(METHOD, STATICMETHOD, FIELD, STATICFIELD, CALLBACK) \

  169.   STATICMETHOD (getInstance, "getInstance", "()Landroid/webkit/CookieManager;")

  170. 

  171. DECLARE_JNI_CLASS (AndroidCookieManager, "android/webkit/CookieManager")

  172. #undef JNI_CLASS_MEMBERS

  173. 

  174. #define JNI_CLASS_MEMBERS(METHOD, STATICMETHOD, FIELD, STATICFIELD, CALLBACK) \

  175.   METHOD (setBuiltInZoomControls,    "setBuiltInZoomControls",    "(Z)V") \

  176.   METHOD (setDisplayZoomControls,    "setDisplayZoomControls",    "(Z)V") \

  177.   METHOD (setJavaScriptEnabled,      "setJavaScriptEnabled",      "(Z)V") \

  178.   METHOD (setSupportMultipleWindows, "setSupportMultipleWindows", "(Z)V") \

  179.   METHOD (setUserAgentString,        "setUserAgentString",        "(Ljava/lang/String;)V")

  180. 

  181. DECLARE_JNI_CLASS (WebSettings, "android/webkit/WebSettings")

  182. #undef JNI_CLASS_MEMBERS

  183. 

  184. #define JNI_CLASS_MEMBERS(METHOD, STATICMETHOD, FIELD, STATICFIELD, CALLBACK) \

  185.   METHOD (toString, "toString", "()Ljava/lang/String;")

  186. 

  187. DECLARE_JNI_CLASS (SslError, "android/net/http/SslError")

  188. #undef JNI_CLASS_MEMBERS

  189. 

  190. #define JNI_CLASS_MEMBERS(METHOD, STATICMETHOD, FIELD, STATICFIELD, CALLBACK) \

  191.   STATICMETHOD (encode, "encode", "(Ljava/lang/String;Ljava/lang/String;)Ljava/lang/String;")

  192. 

  193. DECLARE_JNI_CLASS (URLEncoder, "java/net/URLEncoder")

  194. #undef JNI_CLASS_MEMBERS

  195. 

  196. //==============================================================================

  197. class WebBrowserComponent::Pimpl    : public AndroidViewComponent,

  198.                                       public AsyncUpdater

  199. {

  200. public:

  201.     Pimpl (WebBrowserComponent& o, const String& userAgent)

  202.         : owner (o)

  203.     {

  204.         auto* env = getEnv();

  205. 

  206.         setView (env->NewObject (AndroidWebView, AndroidWebView.constructor, getMainActivity().get()));

  207. 

  208.         auto settings = LocalRef<jobject> (env->CallObjectMethod ((jobject) getView(), AndroidWebView.getSettings));

  209.         env->CallVoidMethod (settings, WebSettings.setJavaScriptEnabled, true);

  210.         env->CallVoidMethod (settings, WebSettings.setBuiltInZoomControls, true);

  211.         env->CallVoidMethod (settings, WebSettings.setDisplayZoomControls, false);

  212.         env->CallVoidMethod (settings, WebSettings.setSupportMultipleWindows, true);

  213. 

  214.         if (userAgent.isNotEmpty())

  215.             env->CallVoidMethod (settings, WebSettings.setUserAgentString, javaString (userAgent).get());

  216. 

  217.         juceWebChromeClient = GlobalRef (LocalRef<jobject> (env->NewObject (JuceWebChromeClient, JuceWebChromeClient.constructor,

  218.                                                                             reinterpret_cast<jlong> (this))));

  219.         env->CallVoidMethod ((jobject) getView(), AndroidWebView.setWebChromeClient, juceWebChromeClient.get());

  220. 

  221.         auto sdkVersion = getAndroidSDKVersion();

  222. 

  223.         if (sdkVersion >= 21)

  224.             juceWebViewClient = GlobalRef (LocalRef<jobject> (env->NewObject (JuceWebViewClient21, JuceWebViewClient21.constructor,

  225.                                                                               reinterpret_cast<jlong> (this))));

  226.         else

  227.             juceWebViewClient = GlobalRef (LocalRef<jobject> (env->NewObject (JuceWebViewClient16, JuceWebViewClient16.constructor,

  228.                                                                               reinterpret_cast<jlong> (this))));

  229. 

  230.         env->CallVoidMethod ((jobject) getView(), AndroidWebView.setWebViewClient, juceWebViewClient.get());

  231.     }

  232. 

  233.     ~Pimpl()

  234.     {

  235.         auto* env = getEnv();

  236. 

  237.         env->CallVoidMethod ((jobject) getView(), AndroidWebView.stopLoading);

  238. 

  239.         auto defaultChromeClient = LocalRef<jobject> (env->NewObject (AndroidWebChromeClient, AndroidWebChromeClient.constructor));

  240.         auto defaultViewClient   = LocalRef<jobject> (env->NewObject (AndroidWebViewClient,   AndroidWebViewClient  .constructor));

  241. 

  242.         env->CallVoidMethod ((jobject) getView(), AndroidWebView.setWebChromeClient, defaultChromeClient.get());

  243.         env->CallVoidMethod ((jobject) getView(), AndroidWebView.setWebViewClient,   defaultViewClient  .get());

  244. 

  245.         masterReference.clear();

  246. 

  247.         // if other Java thread is waiting for us to respond to page load request

  248.         // wake it up immediately (false answer will be sent), so that it releases

  249.         // the lock we need when calling hostDeleted.

  250.         responseReadyEvent.signal();

  251. 

  252.         env->CallVoidMethod (juceWebViewClient, getAndroidSDKVersion() >= 21 ? JuceWebViewClient21.hostDeleted

  253.                                                                              : JuceWebViewClient16.hostDeleted);

  254.     }

  255. 

  256.     void goToURL (const String& url,

  257.                   const StringArray* headers,

  258.                   const MemoryBlock* postData)

  259.     {

  260.         auto* env = getEnv();

  261. 

  262.         if (headers == nullptr && postData == nullptr)

  263.         {

  264.             env->CallVoidMethod ((jobject) getView(), AndroidWebView.loadUrl, javaString (url).get(), 0);

  265.         }

  266.         else if (headers != nullptr && postData == nullptr)

  267.         {

  268.             auto headersMap = LocalRef<jobject> (env->NewObject (JavaHashMap,

  269.                                                                  JavaHashMap.constructorWithCapacity,

  270.                                                                  headers->size()));

  271. 

  272.             for (const auto& header : *headers)

  273.             {

  274.                 auto name  = header.upToFirstOccurrenceOf (":", false, false).trim();

  275.                 auto value = header.fromFirstOccurrenceOf (":", false, false).trim();

  276. 

  277.                 env->CallObjectMethod (headersMap, JavaMap.put,

  278.                                        javaString (name).get(),

  279.                                        javaString (value).get());

  280.             }

  281. 

  282.             env->CallVoidMethod ((jobject) getView(), AndroidWebView.loadUrl,

  283.                                  javaString (url).get(), headersMap.get());

  284.         }

  285.         else if (headers == nullptr && postData != nullptr)

  286.         {

  287.             auto dataStringJuce = postData->toString();

  288.             auto dataStringJava = javaString (dataStringJuce);

  289.             auto encodingString = LocalRef<jobject> (env->CallStaticObjectMethod (URLEncoder, URLEncoder.encode,

  290.                                                                                   dataStringJava.get(), javaString ("utf-8").get()));

  291. 

  292.             auto bytes = LocalRef<jbyteArray> ((jbyteArray) env->CallObjectMethod (encodingString, JavaString.getBytes));

  293. 

  294.             env->CallVoidMethod ((jobject) getView(), AndroidWebView.postUrl,

  295.                                  javaString (url).get(), bytes.get());

  296.         }

  297.         else if (headers != nullptr && postData != nullptr)

  298.         {

  299.             // There is no support for both extra headers and post data in Android WebView, so

  300.             // we need to open URL manually.

  301. 

  302.             URL urlToUse = URL (url).withPOSTData (*postData);

  303.             connectionThread.reset (new ConnectionThread (*this, urlToUse, *headers));

  304.         }

  305.     }

  306. 

  307.     void stop()

  308.     {

  309.         connectionThread = nullptr;

  310. 

  311.         getEnv()->CallVoidMethod ((jobject) getView(), AndroidWebView.stopLoading);

  312.     }

  313. 

  314.     void goBack()

  315.     {

  316.         connectionThread = nullptr;

  317. 

  318.         auto* env = getEnv();

  319.         auto view = (jobject) getView();

  320. 

  321.         if (env->CallBooleanMethod (view, AndroidWebView.canGoBack))

  322.             env->CallVoidMethod (view, AndroidWebView.goBack);

  323.         else

  324.             owner.reloadLastURL();

  325.     }

  326. 

  327.     void goForward()

  328.     {

  329.         connectionThread = nullptr;

  330. 

  331.         getEnv()->CallVoidMethod ((jobject) getView(), AndroidWebView.goForward);

  332.     }

  333. 

  334.     void refresh()

  335.     {

  336.         connectionThread = nullptr;

  337. 

  338.         getEnv()->CallVoidMethod ((jobject) getView(), AndroidWebView.reload);

  339.     }

  340. 

  341.     void handleAsyncUpdate()

  342.     {

  343.         jassert (connectionThread != nullptr);

  344. 

  345.         if (connectionThread == nullptr)

  346.             return;

  347. 

  348.         auto& result = connectionThread->getResult();

  349. 

  350.         if (result.statusCode >= 200 && result.statusCode < 300)

  351.         {

  352.             auto url = javaString (result.url);

  353.             auto data = javaString (result.data);

  354.             auto mimeType = javaString ("text/html");

  355.             auto encoding = javaString ("utf-8");

  356. 

  357.             getEnv()->CallVoidMethod ((jobject) getView(), AndroidWebView.loadDataWithBaseURL,

  358.                                       url.get(), data.get(), mimeType.get(),

  359.                                       encoding.get(), 0);

  360.         }

  361.         else

  362.         {

  363.             owner.pageLoadHadNetworkError (result.description);

  364.         }

  365.     }

  366. 

  367.     bool handlePageAboutToLoad (const String& url)

  368.     {

  369.         if (MessageManager::getInstance()->isThisTheMessageThread())

  370.             return owner.pageAboutToLoad (url);

  371. 

  372.         WeakReference<Pimpl> weakRef (this);

  373. 

  374.         if (weakRef == nullptr)

  375.             return false;

  376. 

  377.         responseReadyEvent.reset();

  378. 

  379.         bool shouldLoad = false;

  380. 

  381.         MessageManager::callAsync ([weakRef, url, &shouldLoad]

  382.         {

  383.             if (weakRef == nullptr)

  384.                 return;

  385. 

  386.             shouldLoad = weakRef->owner.pageAboutToLoad (url);

  387. 

  388.             weakRef->responseReadyEvent.signal();

  389.         });

  390. 

  391.         responseReadyEvent.wait (-1);

  392. 

  393.         return shouldLoad;

  394.     }

  395. 

  396.     WebBrowserComponent& owner;

  397. 

  398. private:

  399.     class ConnectionThread final : private Thread

  400.     {

  401.     public:

  402.         struct Result

  403.         {

  404.             String url;

  405.             int statusCode = 0;

  406.             String description;

  407.             String data;

  408.         };

  409. 

  410.         ConnectionThread (Pimpl& ownerToUse,

  411.                           URL& url,

  412.                           const StringArray& headers)

  413.             : Thread ("WebBrowserComponent::Pimpl::ConnectionThread"),

  414.               owner (ownerToUse),

  415.               webInputStream (new WebInputStream (url, true))

  416.         {

  417.             webInputStream->withExtraHeaders (headers.joinIntoString ("\n"));

  418.             webInputStream->withConnectionTimeout (10000);

  419. 

  420.             result.url = url.toString (true);

  421. 

  422.             startThread();

  423.         }

  424. 

  425.         ~ConnectionThread() override

  426.         {

  427.             webInputStream->cancel();

  428.             signalThreadShouldExit();

  429.             waitForThreadToExit (10000);

  430. 

  431.             webInputStream = nullptr;

  432.         }

  433. 

  434.         void run() override

  435.         {

  436.             if (! webInputStream->connect (nullptr))

  437.             {

  438.                 result.description = "Could not establish connection";

  439.                 owner.triggerAsyncUpdate();

  440.                 return;

  441.             }

  442. 

  443.             result.statusCode = webInputStream->getStatusCode();

  444.             result.description = "Status code: " + String (result.statusCode);

  445.             readFromInputStream();

  446.             owner.triggerAsyncUpdate();

  447.         }

  448. 

  449.         const Result& getResult() { return result; }

  450. 

  451.     private:

  452.         void readFromInputStream()

  453.         {

  454.             MemoryOutputStream ostream;

  455. 

  456.             for (;;)

  457.             {

  458.                 if (threadShouldExit())

  459.                     return;

  460. 

  461.                 char buffer [8192];

  462.                 auto num = webInputStream->read (buffer, sizeof (buffer));

  463. 

  464.                 if (num <= 0)

  465.                     break;

  466. 

  467.                 ostream.write (buffer, (size_t) num);

  468.             }

  469. 

  470.             result.data = ostream.toUTF8();

  471.         }

  472. 

  473.         Pimpl& owner;

  474.         std::unique_ptr<WebInputStream> webInputStream;

  475.         Result result;

  476.     };

  477. 

  478.     //==============================================================================

  479.     #define JNI_CLASS_MEMBERS(METHOD, STATICMETHOD, FIELD, STATICFIELD, CALLBACK) \

  480.      METHOD (constructor, "<init>",      "(J)V") \

  481.      METHOD (hostDeleted, "hostDeleted", "()V") \

  482.      CALLBACK (generatedCallback<&Pimpl::webViewReceivedHttpError>, "webViewReceivedHttpError", "(JLandroid/webkit/WebView;Landroid/webkit/WebResourceRequest;Landroid/webkit/WebResourceResponse;)V") \

  483.      CALLBACK (generatedCallback<&Pimpl::webViewPageLoadStarted>,   "webViewPageLoadStarted",   "(JLandroid/webkit/WebView;Ljava/lang/String;)Z") \

  484.      CALLBACK (generatedCallback<&Pimpl::webViewPageLoadFinished>,  "webViewPageLoadFinished",  "(JLandroid/webkit/WebView;Ljava/lang/String;)V") \

  485.      CALLBACK (generatedCallback<&Pimpl::webViewReceivedSslError>,  "webViewReceivedSslError",  "(JLandroid/webkit/WebView;Landroid/webkit/SslErrorHandler;Landroid/net/http/SslError;)V") \

  486. 

  487.      DECLARE_JNI_CLASS_WITH_BYTECODE (JuceWebViewClient21, "com/rmsl/juce/JuceWebView21$Client", 21, JuceWebView21ByteCode)

  488.     #undef JNI_CLASS_MEMBERS

  489. 

  490.     #define JNI_CLASS_MEMBERS(METHOD, STATICMETHOD, FIELD, STATICFIELD, CALLBACK) \

  491.      METHOD (constructor, "<init>",      "(J)V") \

  492.      METHOD (hostDeleted, "hostDeleted", "()V") \

  493.      CALLBACK (generatedCallback<&Pimpl::webViewPageLoadStarted>,   "webViewPageLoadStarted",   "(JLandroid/webkit/WebView;Ljava/lang/String;)Z") \

  494.      CALLBACK (generatedCallback<&Pimpl::webViewPageLoadFinished>,  "webViewPageLoadFinished",  "(JLandroid/webkit/WebView;Ljava/lang/String;)V") \

  495.      CALLBACK (generatedCallback<&Pimpl::webViewReceivedSslError>,  "webViewReceivedSslError",  "(JLandroid/webkit/WebView;Landroid/webkit/SslErrorHandler;Landroid/net/http/SslError;)V") \

  496. 

  497.      DECLARE_JNI_CLASS_WITH_BYTECODE (JuceWebViewClient16, "com/rmsl/juce/JuceWebView$Client", 16, JuceWebView16ByteCode)

  498.     #undef JNI_CLASS_MEMBERS

  499. 

  500.     static jboolean webViewPageLoadStarted (JNIEnv*, Pimpl& t, jobject /*webView*/, jstring url)

  501.     {

  502.         return t.handlePageAboutToLoad (juceString (url));

  503.     }

  504. 

  505.     static void webViewPageLoadFinished (JNIEnv*, Pimpl& t, jobject /*webView*/, jstring url)

  506.     {

  507.         t.owner.pageFinishedLoading (juceString (url));

  508.     }

  509. 

  510.     static void webViewReceivedSslError (JNIEnv* env, Pimpl& t, jobject /*webView*/, jobject /*sslErrorHandler*/, jobject sslError)

  511.     {

  512.         const auto errorString = LocalRef<jstring> ((jstring) env->CallObjectMethod (sslError, SslError.toString));

  513.         t.owner.pageLoadHadNetworkError (juceString (errorString));

  514.     }

  515. 

  516.     //==============================================================================

  517.     #define JNI_CLASS_MEMBERS(METHOD, STATICMETHOD, FIELD, STATICFIELD, CALLBACK) \

  518.       METHOD (constructor, "<init>",      "(J)V") \

  519.       CALLBACK (generatedCallback<&Pimpl::webViewCloseWindowRequest>,   "webViewCloseWindowRequest",    "(JLandroid/webkit/WebView;)V") \

  520.       CALLBACK (generatedCallback<&Pimpl::webViewCreateWindowRequest>,  "webViewCreateWindowRequest",   "(JLandroid/webkit/WebView;)V") \

  521. 

  522.     DECLARE_JNI_CLASS (JuceWebChromeClient, "com/rmsl/juce/JuceWebView$ChromeClient")

  523.     #undef JNI_CLASS_MEMBERS

  524. 

  525.     static void webViewCloseWindowRequest (JNIEnv*, Pimpl& t, jobject)

  526.     {

  527.         t.owner.windowCloseRequest();

  528.     }

  529. 

  530.     static void webViewCreateWindowRequest (JNIEnv*, Pimpl& t, jobject)

  531.     {

  532.         t.owner.newWindowAttemptingToLoad ({});

  533.     }

  534. 

  535.     //==============================================================================

  536.     static void webViewReceivedHttpError (JNIEnv* env, Pimpl& t, jobject /*webView*/, jobject /*request*/, jobject errorResponse)

  537.     {

  538.         LocalRef<jclass> responseClass (env->FindClass ("android/webkit/WebResourceResponse"));

  539. 

  540.         if (responseClass != nullptr)

  541.         {

  542.             jmethodID method = env->GetMethodID (responseClass, "getReasonPhrase", "()Ljava/lang/String;");

  543. 

  544.             if (method != nullptr)

  545.             {

  546.                 auto errorString = LocalRef<jstring> ((jstring) env->CallObjectMethod (errorResponse, method));

  547. 

  548.                 t.owner.pageLoadHadNetworkError (juceString (errorString));

  549.                 return;

  550.             }

  551.         }

  552. 

  553.         // Should never get here!

  554.         jassertfalse;

  555.         t.owner.pageLoadHadNetworkError ({});

  556.     }

  557. 

  558.     //==============================================================================

  559.     GlobalRef juceWebChromeClient;

  560.     GlobalRef juceWebViewClient;

  561.     std::unique_ptr<ConnectionThread> connectionThread;

  562.     WaitableEvent responseReadyEvent;

  563. 

  564.     WeakReference<Pimpl>::Master masterReference;

  565.     friend class WeakReference<Pimpl>;

  566. };

  567. 

  568. //==============================================================================

  569. WebBrowserComponent::WebBrowserComponent (const Options& options)

  570.     : blankPageShown (false),

  571.       unloadPageWhenHidden (! options.keepsPageLoadedWhenBrowserIsHidden())

  572. {

  573.     setOpaque (true);

  574. 

  575.     browser.reset (new Pimpl (*this, options.getUserAgent()));

  576.     addAndMakeVisible (browser.get());

  577. }

  578. 

  579. WebBrowserComponent::~WebBrowserComponent() = default;

  580. 

  581. //==============================================================================

  582. void WebBrowserComponent::goToURL (const String& url,

  583.                                    const StringArray* headers,

  584.                                    const MemoryBlock* postData)

  585. {

  586.     lastURL = url;

  587. 

  588.     if (headers != nullptr)

  589.         lastHeaders = *headers;

  590.     else

  591.         lastHeaders.clear();

  592. 

  593.     if (postData != nullptr)

  594.         lastPostData = *postData;

  595.     else

  596.         lastPostData.reset();

  597. 

  598.     blankPageShown = false;

  599. 

  600.     browser->goToURL (url, headers, postData);

  601. }

  602. 

  603. void WebBrowserComponent::stop()

  604. {

  605.     browser->stop();

  606. }

  607. 

  608. void WebBrowserComponent::goBack()

  609. {

  610.     browser->goBack();

  611. 

  612.     lastURL.clear();

  613.     blankPageShown = false;

  614. }

  615. 

  616. void WebBrowserComponent::goForward()

  617. {

  618.     lastURL.clear();

  619. 

  620.     browser->goForward();

  621. }

  622. 

  623. void WebBrowserComponent::refresh()

  624. {

  625.     browser->refresh();

  626. }

  627. 

  628. //==============================================================================

  629. void WebBrowserComponent::paint (Graphics& g)

  630. {

  631.     g.fillAll (Colours::white);

  632. }

  633. 

  634. void WebBrowserComponent::checkWindowAssociation()

  635. {

  636.     if (isShowing())

  637.     {

  638.         if (blankPageShown)

  639.             goBack();

  640.     }

  641.     else

  642.     {

  643.         if (unloadPageWhenHidden && ! blankPageShown)

  644.         {

  645.             // when the component becomes invisible, some stuff like flash

  646.             // carries on playing audio, so we need to force it onto a blank

  647.             // page to avoid this, (and send it back when it's made visible again).

  648. 

  649.             blankPageShown = true;

  650.             browser->goToURL ("about:blank", nullptr, nullptr);

  651.         }

  652.     }

  653. }

  654. 

  655. void WebBrowserComponent::reloadLastURL()

  656. {

  657.     if (lastURL.isNotEmpty())

  658.     {

  659.         goToURL (lastURL, &lastHeaders, lastPostData.isEmpty() ? nullptr : &lastPostData);

  660.         lastURL.clear();

  661.     }

  662. }

  663. 

  664. void WebBrowserComponent::parentHierarchyChanged()

  665. {

  666.     checkWindowAssociation();

  667. }

  668. 

  669. void WebBrowserComponent::resized()

  670. {

  671.     browser->setSize (getWidth(), getHeight());

  672. }

  673. 

  674. void WebBrowserComponent::visibilityChanged()

  675. {

  676.     checkWindowAssociation();

  677. }

  678. 

  679. void WebBrowserComponent::focusGainedWithDirection (FocusChangeType, FocusChangeDirection)

  680. {

  681. }

  682. 

  683. void WebBrowserComponent::clearCookies()

  684. {

  685.     auto* env = getEnv();

  686. 

  687.     auto cookieManager = LocalRef<jobject> (env->CallStaticObjectMethod (AndroidCookieManager,

  688.                                                                          AndroidCookieManager.getInstance));

  689. 

  690.     jmethodID clearCookiesMethod = nullptr;

  691. 

  692.     if (getAndroidSDKVersion() >= 21)

  693.     {

  694.         clearCookiesMethod = env->GetMethodID (AndroidCookieManager, "removeAllCookies", "(Landroid/webkit/ValueCallback;)V");

  695.         env->CallVoidMethod (cookieManager, clearCookiesMethod, 0);

  696.     }

  697.     else

  698.     {

  699.         clearCookiesMethod = env->GetMethodID (AndroidCookieManager, "removeAllCookie", "()V");

  700.         env->CallVoidMethod (cookieManager, clearCookiesMethod);

  701.     }

  702. }

  703. 

  704. bool WebBrowserComponent::areOptionsSupported (const Options& options)

  705. {

  706.     return (options.getBackend() == Options::Backend::defaultBackend);

  707. }

  708. 

  709. } // namespace juce