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Carla/source/modules/juce_gui_extra/native/juce_android_WebBrowserComp...

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  1. /*

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

  3. 

  4.    This file is part of the JUCE 6 technical preview.

  5.    Copyright (c) 2017 - ROLI Ltd.

  6. 

  7.    You may use this code under the terms of the GPL v3

  8.    (see www.gnu.org/licenses).

  9. 

  10.    For this technical preview, this file is not subject to commercial licensing.

  11. 

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

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

  14.    DISCLAIMED.

  15. 

  16.   ==============================================================================

  17. */

  18. 

  19. namespace juce

  20. {

  21. 

  22. //==============================================================================

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

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

  25. static const unsigned char JuceWebView16ByteCode[] =

  26. {31,139,8,8,167,106,229,91,0,3,74,117,99,101,87,101,98,86,105,101,119,49,54,46,100,101,120,0,125,150,93,108,84,69,20,199,

  27. 207,253,216,189,187,183,237,178,109,161,31,20,74,91,177,84,164,44,88,145,210,5,172,124,83,22,63,186,80,100,53,145,219,

  28. 221,177,189,101,123,239,114,239,221,182,38,68,81,155,168,4,19,99,225,141,23,19,36,38,248,136,9,15,62,16,35,209,24,141,47,

  29. 70,125,224,193,23,141,15,62,136,49,132,104,31,252,207,157,217,101,129,98,55,191,61,103,206,57,51,115,102,230,116,118,10,

  30. 108,206,220,52,176,133,222,95,60,244,253,183,71,91,94,92,240,223,75,222,186,115,227,231,111,110,221,252,44,186,176,245,

  31. 181,235,117,68,37,34,154,27,123,178,137,228,223,162,73,52,76,194,190,156,75,133,168,1,242,58,164,14,249,178,74,212,12,

  32. 121,26,82,227,49,248,202,196,136,2,200,250,40,218,160,7,172,7,253,224,105,176,7,188,2,78,131,15,193,85,240,35,88,4,45,6,

  33. 209,83,224,4,152,7,31,129,27,224,87,16,195,184,107,192,0,216,15,70,192,179,32,11,142,131,19,160,0,108,224,2,15,204,129,

  34. 55,192,57,176,0,46,130,143,193,21,112,13,124,1,190,3,63,129,223,192,31,224,95,80,23,39,234,0,235,193,78,112,16,88,96,26,

  35. 204,129,215,193,219,224,44,248,0,92,1,95,129,95,192,29,208,104,138,253,192,146,8,169,19,134,36,152,9,102,194,54,83,61,

  36. 137,125,76,128,101,32,9,26,1,223,248,102,185,215,43,64,11,104,5,107,64,68,142,119,41,34,108,149,67,106,147,250,167,176,

  37. 183,75,253,42,244,14,169,127,14,125,165,212,191,134,190,74,234,63,64,239,148,250,77,232,171,165,126,169,198,254,123,141,

  38. 254,55,244,46,153,31,31,167,91,234,60,41,190,182,222,112,141,73,234,147,235,236,13,165,104,71,72,33,17,106,134,50,38,219,

  39. 113,82,165,140,82,127,40,235,105,99,40,53,26,146,50,29,142,35,226,76,244,91,23,202,24,165,66,25,167,77,161,52,104,179,

  40. 156,119,32,148,17,218,30,202,58,218,17,74,157,118,134,123,47,230,77,86,231,167,80,139,200,189,228,53,29,160,113,89,164,

  41. 25,142,167,200,243,171,248,231,225,255,82,250,235,164,63,89,227,63,15,255,95,210,207,179,158,135,126,214,188,171,47,152,

  42. 162,207,69,147,199,107,161,222,110,138,122,40,37,185,175,7,227,149,146,124,207,95,74,42,148,107,18,117,162,99,4,62,126,

  43. 175,41,234,32,139,195,40,13,71,73,221,156,192,234,35,161,175,223,20,245,38,124,6,124,77,97,125,85,230,217,90,157,71,189,

  44. 111,30,13,243,168,225,60,226,172,20,218,99,138,58,61,242,140,70,171,149,22,164,159,219,165,82,167,146,192,8,157,202,58,

  45. 89,143,10,62,113,204,169,133,237,195,166,168,231,236,176,74,188,7,206,68,221,6,95,34,180,148,198,18,164,191,208,247,15,

  46. 223,79,61,140,31,51,197,218,106,227,7,49,154,136,94,134,232,4,246,88,15,215,123,194,20,245,150,45,61,48,182,167,146,113,

  47. 202,152,55,46,24,151,103,162,252,108,251,110,243,179,225,57,169,52,133,126,143,240,26,86,142,188,133,149,168,217,121,244,

  48. 199,128,155,53,61,58,168,213,19,111,151,114,203,232,192,5,147,6,49,87,167,218,168,116,170,61,106,148,86,106,91,176,139,

  49. 10,61,209,104,116,247,221,110,128,117,157,188,247,154,49,71,119,184,75,252,211,37,37,238,26,83,248,197,174,38,194,123,

  50. 176,246,239,204,125,237,115,247,181,121,141,24,184,9,148,154,54,183,232,85,169,146,38,245,70,89,123,252,188,181,170,183,

  51. 162,139,49,184,222,136,207,50,89,155,6,50,111,134,53,186,221,118,236,96,39,213,239,158,244,220,105,182,187,104,51,39,160,

  52. 168,148,202,8,37,71,202,121,118,140,141,143,217,108,118,227,148,53,99,145,150,201,100,168,61,99,57,5,207,181,11,169,9,

  53. 207,42,77,218,121,63,181,203,14,166,173,82,154,58,170,46,135,5,169,201,32,40,165,178,126,113,175,231,185,94,154,150,87,

  54. 157,174,159,58,204,124,223,154,96,105,234,170,90,103,217,248,73,59,168,118,56,0,123,145,121,75,68,32,165,218,148,211,180,

  55. 118,137,136,81,230,187,101,47,207,32,75,174,227,99,166,182,37,162,248,210,210,212,249,16,79,101,252,190,76,222,157,78,

  56. 121,110,209,78,77,97,75,82,53,251,178,246,222,76,122,254,47,82,198,116,60,60,134,15,80,176,138,51,246,201,148,229,56,110,

  57. 96,5,182,235,164,246,58,249,162,235,219,206,196,238,162,229,251,60,221,7,99,14,58,14,243,164,191,123,9,255,97,54,61,46,3,

  58. 24,66,86,100,248,121,166,108,23,29,75,229,32,27,120,204,154,78,83,147,48,23,45,103,34,245,220,248,20,203,7,247,218,16,

  59. 135,52,210,164,140,145,58,54,66,218,216,72,134,116,124,101,40,194,191,51,176,102,96,205,112,43,111,42,57,210,115,161,59,

  60. 151,201,229,50,84,103,229,243,56,248,125,69,107,194,167,8,227,199,76,198,171,214,140,157,119,29,50,38,197,137,147,62,233,

  61. 250,1,213,241,239,61,172,200,2,86,160,24,111,100,220,252,73,138,115,237,136,123,212,103,20,179,253,61,182,85,116,39,168,

  62. 193,246,97,240,246,51,63,40,123,140,116,199,154,102,212,224,58,187,177,111,236,152,237,20,220,89,74,160,137,85,6,53,237,

  63. 231,81,129,251,240,79,224,79,98,138,6,209,206,6,150,199,103,108,114,157,81,150,103,246,12,43,84,42,146,226,30,243,203,

  64. 197,224,176,63,65,45,254,164,91,46,22,14,58,1,67,145,149,130,81,118,170,140,217,201,20,246,140,107,21,40,30,176,57,254,

  65. 95,48,93,36,61,152,180,125,210,202,94,145,34,51,86,177,140,28,103,112,222,212,62,91,169,180,106,162,149,145,86,86,92,53,

  66. 73,87,124,173,210,199,19,230,83,85,23,209,114,159,163,178,154,74,135,7,150,20,157,21,187,49,170,172,55,18,106,107,90,157,

  67. 154,237,167,227,202,176,145,200,209,9,125,232,241,13,3,92,107,14,189,219,210,234,1,120,219,201,72,236,56,212,185,138,186,

  68. 213,161,65,35,113,118,21,110,209,161,193,71,141,196,59,57,122,76,27,234,93,27,218,182,114,231,234,29,239,78,105,180,101,

  69. 121,127,119,132,58,214,44,224,50,52,18,164,214,43,131,109,117,106,131,218,163,199,55,180,42,21,69,85,19,202,224,42,181,

  70. 45,222,134,31,122,77,37,85,105,210,222,60,163,159,55,180,183,240,59,5,116,229,186,161,40,55,241,131,166,71,84,120,99,240,

  71. 46,26,81,233,229,196,149,79,98,136,0,231,226,138,114,13,252,25,231,247,99,35,34,111,154,149,223,103,165,70,14,147,120,

  72. 215,242,59,179,242,182,229,247,101,237,251,182,242,198,141,208,221,119,110,148,238,190,117,181,164,208,249,61,175,116,

  73. 137,247,194,121,232,209,46,105,71,71,37,41,236,252,93,165,118,137,121,249,219,88,147,241,252,183,95,239,146,111,11,110,

  74. 144,125,195,55,72,82,228,202,223,225,255,1,121,75,63,47,192,11,0,0};

  75. 

  76. //==============================================================================

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

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

  79. static const unsigned char JuceWebView21ByteCode[] =

  80. {31,139,8,8,20,250,226,91,0,3,74,117,99,101,87,101,98,86,105,101,119,50,49,46,100,101,120,0,149,151,93,108,28,87,21,199,

  81. 207,124,236,206,174,119,118,179,222,117,28,219,113,236,181,235,54,78,147,116,227,36,37,78,54,169,204,58,113,237,48,81,

  82. 193,78,220,104,145,144,198,187,131,61,206,122,102,51,51,187,142,196,3,161,141,0,209,10,169,130,190,81,41,15,41,170,10,21,

  83. 66,66,34,60,240,134,74,16,47,149,120,160,128,84,1,2,169,15,17,42,15,84,81,37,36,254,247,99,54,27,199,68,176,171,223,158,

  84. 115,207,57,115,239,61,247,158,153,189,211,112,110,244,29,59,241,60,93,89,253,237,71,111,149,22,172,113,253,199,127,126,

  85. 238,195,175,252,238,212,236,173,175,189,250,151,87,111,127,146,37,106,17,209,141,213,147,5,146,159,35,176,45,145,176,15,

  86. 130,239,43,68,204,121,31,82,135,252,149,74,52,4,249,55,72,13,242,14,126,238,167,225,131,179,101,160,47,240,77,240,93,240,

  87. 6,120,27,188,3,222,3,247,192,159,192,3,144,75,17,29,3,203,96,27,188,5,126,14,126,15,52,244,119,8,44,130,38,120,29,252,4,

  88. 188,15,254,8,254,1,254,9,254,5,62,3,212,71,100,128,12,200,131,65,48,12,198,193,51,224,4,56,3,150,192,50,168,129,58,112,

  89. 65,7,220,4,175,129,55,193,29,240,46,248,5,248,13,248,3,248,24,252,27,244,103,136,70,192,211,224,28,88,2,151,65,13,52,128,

  90. 11,90,160,3,222,0,239,129,247,193,71,224,1,232,55,197,154,33,125,66,154,36,167,78,112,17,92,132,165,167,28,216,3,242,160,

  91. 159,196,218,23,193,0,216,43,247,100,31,137,61,24,6,35,96,18,36,128,42,247,48,41,251,255,56,249,80,255,36,41,98,138,50,

  92. 102,68,246,201,62,251,165,254,0,49,163,177,29,147,28,147,122,170,71,31,128,126,64,234,37,232,227,82,63,2,125,66,234,39,

  93. 123,244,57,232,37,169,179,57,196,118,171,39,230,42,244,167,100,126,172,207,41,169,55,12,177,54,135,249,26,21,232,168,92,

  94. 167,195,92,138,182,138,21,125,129,231,172,147,156,54,29,226,57,239,225,237,62,105,207,240,236,153,236,163,227,92,246,211,

  95. 9,46,147,84,149,114,158,247,43,226,76,92,119,132,203,44,157,228,50,71,207,115,105,210,231,184,204,208,41,46,21,58,195,

  96. 165,42,101,154,206,115,153,167,11,92,166,104,129,75,131,94,228,123,44,230,83,232,206,139,208,131,216,39,246,97,214,187,

  97. 104,252,218,36,57,15,225,239,235,241,223,131,255,239,210,159,149,254,66,143,255,67,248,199,179,162,205,106,226,109,196,

  98. 254,200,124,168,255,204,20,215,252,210,100,241,26,215,135,77,209,87,43,175,160,61,137,254,90,121,86,103,95,70,187,86,16,

  99. 117,169,163,7,214,255,51,166,152,239,10,54,182,53,151,34,117,38,135,236,18,220,119,212,20,123,32,124,105,248,10,124,39,

  100. 226,113,78,117,199,209,119,140,163,97,28,149,143,147,224,145,10,45,152,34,255,203,159,215,232,128,50,136,233,215,170,42,

  101. 141,41,57,244,48,166,28,228,59,149,36,54,223,52,198,212,120,251,37,83,220,63,43,115,42,177,43,102,144,246,105,248,114,

  102. 220,210,90,197,186,127,105,250,51,86,31,58,143,191,106,138,220,122,227,103,209,155,136,46,34,58,135,61,210,121,190,107,

  103. 166,184,127,86,90,143,245,29,168,100,92,55,110,25,111,26,63,236,36,7,48,163,233,79,169,123,93,243,127,188,110,111,247,58,

  104. 150,139,74,29,83,212,122,65,185,252,10,86,64,93,185,133,235,209,225,140,166,39,103,181,1,98,237,32,175,162,54,76,205,203,

  105. 179,103,139,169,181,86,138,180,136,7,217,44,198,30,83,251,149,49,117,82,77,209,136,118,22,187,161,209,241,126,99,98,250,

  106. 211,44,172,7,229,243,124,63,198,60,196,87,155,125,167,187,99,191,102,138,123,114,247,177,77,62,118,171,246,255,141,85,

  107. 196,8,19,221,177,74,82,18,221,54,133,95,84,66,142,255,151,244,126,242,59,218,163,59,218,172,174,89,5,8,89,228,125,198,

  108. 118,102,209,165,76,32,183,88,55,80,1,154,212,139,242,30,98,207,99,173,27,25,235,6,127,126,106,61,125,107,60,151,34,127,

  109. 62,235,220,190,23,95,236,245,89,215,115,163,23,200,156,223,8,252,45,103,190,233,58,94,68,73,41,149,139,84,184,216,174,59,

  110. 47,59,107,171,174,179,125,124,230,185,77,187,99,147,98,145,102,89,22,13,91,182,215,8,124,183,81,94,15,236,214,134,91,15,

  111. 203,85,55,218,178,91,21,234,239,186,60,39,42,95,9,220,10,237,127,196,180,17,69,173,242,74,216,188,16,4,126,80,161,129,

  112. 174,211,15,203,151,156,48,180,215,157,10,149,186,214,109,103,237,154,27,117,47,88,132,189,233,4,187,68,96,170,189,169,84,

  113. 232,169,93,34,150,157,208,111,7,117,103,217,185,222,118,66,4,77,61,49,40,108,249,94,136,233,12,237,18,197,214,165,66,99,

  114. 255,197,19,79,226,89,171,238,111,149,3,191,233,150,55,177,158,229,71,22,117,234,209,9,79,61,57,86,70,29,120,82,84,133,38,

  115. 173,134,221,236,184,215,202,182,231,249,145,29,185,190,87,190,224,213,155,126,232,122,235,243,77,59,12,217,164,31,143,89,

  116. 242,60,39,144,254,137,93,252,151,156,173,53,25,224,32,100,175,197,10,162,236,250,184,176,213,142,86,162,192,177,183,42,

  117. 84,16,230,166,237,173,151,95,90,219,116,234,209,163,54,196,97,26,21,82,86,73,93,189,72,218,234,69,139,116,252,88,148,96,

  118. 191,22,172,40,177,85,139,89,89,83,169,145,94,227,238,154,85,171,89,148,177,235,117,212,200,66,211,94,15,41,225,176,138,

  119. 160,44,23,241,102,145,241,85,187,227,214,125,143,146,235,78,116,37,104,146,177,33,106,134,244,13,63,140,40,195,126,207,

  120. 59,77,39,114,26,148,98,13,203,175,95,163,52,211,46,251,87,208,67,202,13,207,187,118,211,95,167,172,27,194,16,188,136,82,

  121. 105,7,14,233,158,189,229,80,214,247,230,177,156,206,203,174,215,240,183,41,135,38,146,143,122,218,95,68,13,47,224,246,10,

  122. 55,48,68,86,180,87,34,59,96,35,22,125,111,217,169,59,110,199,105,44,226,78,224,69,77,133,135,198,184,208,201,8,68,141,82,

  123. 58,112,194,118,51,186,20,174,211,96,184,225,183,155,141,37,47,114,80,159,173,72,150,49,245,9,187,229,219,13,74,71,206,13,

  124. 118,151,109,53,73,143,54,220,144,82,145,47,150,157,180,54,150,35,209,177,155,109,228,210,65,193,208,240,118,92,174,221,

  125. 132,226,62,71,98,87,79,114,177,111,159,244,177,196,216,160,221,100,7,119,56,226,172,135,164,253,241,212,247,237,240,116,

  126. 243,79,110,139,245,220,84,202,70,78,29,172,168,215,182,143,210,117,101,201,200,213,232,134,94,61,54,115,134,105,3,220,

  127. 251,1,85,212,159,126,29,254,17,50,114,231,190,48,54,74,147,106,117,206,200,125,103,148,142,107,213,185,67,70,238,91,53,

  128. 186,170,85,79,79,115,219,179,90,245,240,65,174,45,170,213,211,198,129,115,223,254,171,70,103,7,143,78,36,104,255,248,247,

  129. 104,150,93,11,227,102,175,113,15,122,38,53,167,204,13,101,213,61,234,211,122,122,102,159,18,43,170,154,87,230,70,213,161,

  130. 204,16,78,86,154,74,170,82,72,124,227,166,126,39,165,189,162,146,2,146,202,7,41,69,185,143,211,71,194,80,225,237,131,247,

  131. 245,116,74,122,99,50,202,221,52,162,192,15,250,20,229,30,184,153,81,148,187,64,28,130,6,113,213,109,118,30,201,203,255,

  132. 12,165,71,198,239,65,236,127,36,126,23,98,207,254,222,247,161,248,157,136,157,37,226,247,162,36,61,124,55,210,242,66,103,

  133. 255,105,74,73,156,103,166,160,39,75,194,206,206,122,74,94,156,137,216,121,93,45,201,113,113,136,210,100,60,59,155,233,37,

  134. 49,22,59,191,145,188,150,159,17,243,98,174,236,189,237,63,5,143,187,196,240,13,0,0};

  135. 

  136. 

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

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

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

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

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

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

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

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

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

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

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

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

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

  150. 

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

  152. #undef JNI_CLASS_MEMBERS

  153. 

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

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

  156. 

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

  158. #undef JNI_CLASS_MEMBERS

  159. 

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

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

  162. 

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

  164. #undef JNI_CLASS_MEMBERS

  165. 

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

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

  168. 

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

  170. #undef JNI_CLASS_MEMBERS

  171. 

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

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

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

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

  176.   METHOD (setSupportMultipleWindows, "setSupportMultipleWindows", "(Z)V")

  177. 

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

  179. #undef JNI_CLASS_MEMBERS

  180. 

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

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

  183. 

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

  185. #undef JNI_CLASS_MEMBERS

  186. 

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

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

  189. 

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

  191. #undef JNI_CLASS_MEMBERS

  192. 

  193. //==============================================================================

  194. class WebBrowserComponent::Pimpl    : public AndroidViewComponent,

  195.                                       public AsyncUpdater

  196. {

  197. public:

  198.     Pimpl (WebBrowserComponent& o)

  199.         : owner (o)

  200.     {

  201.         auto* env = getEnv();

  202. 

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

  204. 

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

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

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

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

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

  210. 

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

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

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

  214. 

  215.         auto sdkVersion = getAndroidSDKVersion();

  216. 

  217.         if (sdkVersion >= 21)

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

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

  220.         else

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

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

  223. 

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

  225.     }

  226. 

  227.     ~Pimpl()

  228.     {

  229.         auto* env = getEnv();

  230. 

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

  232. 

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

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

  235. 

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

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

  238. 

  239.         masterReference.clear();

  240. 

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

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

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

  244.         responseReadyEvent.signal();

  245. 

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

  247.                                                                              : JuceWebViewClient16.hostDeleted);

  248.     }

  249. 

  250.     void goToURL (const String& url,

  251.                   const StringArray* headers,

  252.                   const MemoryBlock* postData)

  253.     {

  254.         auto* env = getEnv();

  255. 

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

  257.         {

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

  259.         }

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

  261.         {

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

  263.                                                                  JavaHashMap.constructorWithCapacity,

  264.                                                                  headers->size()));

  265. 

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

  267.             {

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

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

  270. 

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

  272.                                        javaString (name).get(),

  273.                                        javaString (value).get());

  274.             }

  275. 

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

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

  278.         }

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

  280.         {

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

  282.             auto dataStringJava = javaString (dataStringJuce);

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

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

  285. 

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

  287. 

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

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

  290.         }

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

  292.         {

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

  294.             // we need to open URL manually.

  295. 

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

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

  298.         }

  299.     }

  300. 

  301.     void stop()

  302.     {

  303.         connectionThread = nullptr;

  304. 

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

  306.     }

  307. 

  308.     void goBack()

  309.     {

  310.         connectionThread = nullptr;

  311. 

  312.         auto* env = getEnv();

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

  314. 

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

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

  317.         else

  318.             owner.reloadLastURL();

  319.     }

  320. 

  321.     void goForward()

  322.     {

  323.         connectionThread = nullptr;

  324. 

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

  326.     }

  327. 

  328.     void refresh()

  329.     {

  330.         connectionThread = nullptr;

  331. 

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

  333.     }

  334. 

  335.     void handleAsyncUpdate()

  336.     {

  337.         jassert (connectionThread != nullptr);

  338. 

  339.         if (connectionThread == nullptr)

  340.             return;

  341. 

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

  343. 

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

  345.         {

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

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

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

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

  350. 

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

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

  353.                                       encoding.get(), 0);

  354.         }

  355.         else

  356.         {

  357.             owner.pageLoadHadNetworkError (result.description);

  358.         }

  359.     }

  360. 

  361.     bool handlePageAboutToLoad (const String& url)

  362.     {

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

  364.             return owner.pageAboutToLoad (url);

  365. 

  366.         WeakReference<Pimpl> weakRef (this);

  367. 

  368.         if (weakRef == nullptr)

  369.             return false;

  370. 

  371.         responseReadyEvent.reset();

  372. 

  373.         bool shouldLoad = false;

  374. 

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

  376.         {

  377.             if (weakRef == nullptr)

  378.                 return;

  379. 

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

  381. 

  382.             weakRef->responseReadyEvent.signal();

  383.         });

  384. 

  385.         responseReadyEvent.wait (-1);

  386. 

  387.         return shouldLoad;

  388.     }

  389. 

  390.     WebBrowserComponent& owner;

  391. 

  392. private:

  393.     class ConnectionThread  : private Thread

  394.     {

  395.     public:

  396.         struct Result

  397.         {

  398.             String url;

  399.             int statusCode = 0;

  400.             String description;

  401.             String data;

  402.         };

  403. 

  404.         ConnectionThread (Pimpl& ownerToUse,

  405.                           URL& url,

  406.                           const StringArray& headers)

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

  408.               owner (ownerToUse),

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

  410.         {

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

  412.             webInputStream->withConnectionTimeout (10000);

  413. 

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

  415. 

  416.             startThread();

  417.         }

  418. 

  419.         ~ConnectionThread() override

  420.         {

  421.             webInputStream->cancel();

  422.             signalThreadShouldExit();

  423.             waitForThreadToExit (10000);

  424. 

  425.             webInputStream = nullptr;

  426.         }

  427. 

  428.         void run() override

  429.         {

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

  431.             {

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

  433.                 owner.triggerAsyncUpdate();

  434.                 return;

  435.             }

  436. 

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

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

  439.             readFromInputStream();

  440.             owner.triggerAsyncUpdate();

  441.         }

  442. 

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

  444. 

  445.     private:

  446.         void readFromInputStream()

  447.         {

  448.             MemoryOutputStream ostream;

  449. 

  450.             for (;;)

  451.             {

  452.                 if (threadShouldExit())

  453.                     return;

  454. 

  455.                 char buffer [8192];

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

  457. 

  458.                 if (num <= 0)

  459.                     break;

  460. 

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

  462.             }

  463. 

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

  465.         }

  466. 

  467.         Pimpl& owner;

  468.         std::unique_ptr<WebInputStream> webInputStream;

  469.         Result result;

  470.     };

  471. 

  472.     //==============================================================================

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

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

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

  476.      CALLBACK (webViewReceivedHttpError, "webViewReceivedHttpError", "(JLandroid/webkit/WebView;Landroid/webkit/WebResourceRequest;Landroid/webkit/WebResourceResponse;)V") \

  477.      CALLBACK (webViewPageLoadStarted, "webViewPageLoadStarted", "(JLandroid/webkit/WebView;Ljava/lang/String;)Z") \

  478.      CALLBACK (webViewPageLoadFinished, "webViewPageLoadFinished", "(JLandroid/webkit/WebView;Ljava/lang/String;)V") \

  479.      CALLBACK (webViewReceivedSslError, "webViewReceivedSslError", "(JLandroid/webkit/WebView;Landroid/webkit/SslErrorHandler;Landroid/net/http/SslError;)V") \

  480. 

  481.      DECLARE_JNI_CLASS_WITH_BYTECODE (JuceWebViewClient21, "com/roli/juce/JuceWebView21$Client", 21, JuceWebView21ByteCode, sizeof (JuceWebView21ByteCode))

  482.     #undef JNI_CLASS_MEMBERS

  483. 

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

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

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

  487.      CALLBACK (webViewPageLoadStarted, "webViewPageLoadStarted", "(JLandroid/webkit/WebView;Ljava/lang/String;)Z") \

  488.      CALLBACK (webViewPageLoadFinished, "webViewPageLoadFinished", "(JLandroid/webkit/WebView;Ljava/lang/String;)V") \

  489.      CALLBACK (webViewReceivedSslError, "webViewReceivedSslError", "(JLandroid/webkit/WebView;Landroid/webkit/SslErrorHandler;Landroid/net/http/SslError;)V") \

  490. 

  491.      DECLARE_JNI_CLASS_WITH_BYTECODE (JuceWebViewClient16, "com/roli/juce/JuceWebView$Client", 16, JuceWebView16ByteCode, sizeof (JuceWebView16ByteCode))

  492.     #undef JNI_CLASS_MEMBERS

  493. 

  494.     static jboolean JNICALL webViewPageLoadStarted (JNIEnv*, jobject /*activity*/, jlong host, jobject /*webView*/, jstring url)

  495.     {

  496.         if (auto* myself = reinterpret_cast<WebBrowserComponent::Pimpl*> (host))

  497.             return myself->handlePageAboutToLoad (juceString (url));

  498. 

  499.         return 0;

  500.     }

  501. 

  502.     static void JNICALL webViewPageLoadFinished (JNIEnv*, jobject /*activity*/, jlong host, jobject /*webView*/, jstring url)

  503.     {

  504.         if (auto* myself = reinterpret_cast<WebBrowserComponent::Pimpl*> (host))

  505.             myself->owner.pageFinishedLoading (juceString (url));

  506.     }

  507. 

  508.     static void JNICALL webViewReceivedHttpError (JNIEnv*, jobject /*activity*/, jlong host, jobject /*webView*/, jobject /*request*/, jobject errorResponse)

  509.     {

  510.         if (auto* myself = reinterpret_cast<WebBrowserComponent::Pimpl*> (host))

  511.             myself->webReceivedHttpError (errorResponse);

  512.     }

  513. 

  514.     static void JNICALL webViewReceivedSslError (JNIEnv*, jobject /*activity*/, jlong host, jobject /*webView*/, jobject /*sslErrorHandler*/, jobject sslError)

  515.     {

  516.         auto* env = getEnv();

  517. 

  518.         if (auto* myself = reinterpret_cast<WebBrowserComponent::Pimpl*> (host))

  519.         {

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

  521. 

  522.             myself->owner.pageLoadHadNetworkError (juceString (errorString));

  523.         }

  524.     }

  525. 

  526.     //==============================================================================

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

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

  529.       CALLBACK (webViewCloseWindowRequest,  "webViewCloseWindowRequest",  "(JLandroid/webkit/WebView;)V") \

  530.       CALLBACK (webViewCreateWindowRequest, "webViewCreateWindowRequest", "(JLandroid/webkit/WebView;)V") \

  531. 

  532.     DECLARE_JNI_CLASS (JuceWebChromeClient, "com/roli/juce/JuceWebView$ChromeClient")

  533.     #undef JNI_CLASS_MEMBERS

  534. 

  535.     static void JNICALL webViewCloseWindowRequest (JNIEnv*, jobject /*activity*/, jlong host, jobject /*webView*/)

  536.     {

  537.         if (auto* myself = reinterpret_cast<WebBrowserComponent::Pimpl*> (host))

  538.             myself->owner.windowCloseRequest();

  539.     }

  540. 

  541.     static void JNICALL webViewCreateWindowRequest (JNIEnv*, jobject /*activity*/, jlong host, jobject /*webView*/)

  542.     {

  543.         if (auto* myself = reinterpret_cast<WebBrowserComponent::Pimpl*> (host))

  544.             myself->owner.newWindowAttemptingToLoad ({});

  545.     }

  546. 

  547.     //==============================================================================

  548.     void webReceivedHttpError (jobject errorResponse)

  549.     {

  550.         auto* env = getEnv();

  551. 

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

  553. 

  554.         if (responseClass != nullptr)

  555.         {

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

  557. 

  558.             if (method != nullptr)

  559.             {

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

  561. 

  562.                 owner.pageLoadHadNetworkError (juceString (errorString));

  563.                 return;

  564.             }

  565.         }

  566. 

  567.         // Should never get here!

  568.         jassertfalse;

  569.         owner.pageLoadHadNetworkError ({});

  570.     }

  571. 

  572.     //==============================================================================

  573.     GlobalRef juceWebChromeClient;

  574.     GlobalRef juceWebViewClient;

  575.     std::unique_ptr<ConnectionThread> connectionThread;

  576.     WaitableEvent responseReadyEvent;

  577. 

  578.     WeakReference<Pimpl>::Master masterReference;

  579.     friend class WeakReference<Pimpl>;

  580. };

  581. 

  582. //==============================================================================

  583. WebBrowserComponent::WebBrowserComponent (const bool unloadWhenHidden)

  584.     : blankPageShown (false),

  585.       unloadPageWhenBrowserIsHidden (unloadWhenHidden)

  586. {

  587.     setOpaque (true);

  588. 

  589.     browser.reset (new Pimpl (*this));

  590.     addAndMakeVisible (browser.get());

  591. }

  592. 

  593. WebBrowserComponent::~WebBrowserComponent()

  594. {

  595. }

  596. 

  597. //==============================================================================

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

  599.                                    const StringArray* headers,

  600.                                    const MemoryBlock* postData)

  601. {

  602.     lastURL = url;

  603. 

  604.     if (headers != nullptr)

  605.         lastHeaders = *headers;

  606.     else

  607.         lastHeaders.clear();

  608. 

  609.     if (postData != nullptr)

  610.         lastPostData = *postData;

  611.     else

  612.         lastPostData.reset();

  613. 

  614.     blankPageShown = false;

  615. 

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

  617. }

  618. 

  619. void WebBrowserComponent::stop()

  620. {

  621.     browser->stop();

  622. }

  623. 

  624. void WebBrowserComponent::goBack()

  625. {

  626.     browser->goBack();

  627. 

  628.     lastURL.clear();

  629.     blankPageShown = false;

  630. }

  631. 

  632. void WebBrowserComponent::goForward()

  633. {

  634.     lastURL.clear();

  635. 

  636.     browser->goForward();

  637. }

  638. 

  639. void WebBrowserComponent::refresh()

  640. {

  641.     browser->refresh();

  642. }

  643. 

  644. //==============================================================================

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

  646. {

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

  648. }

  649. 

  650. void WebBrowserComponent::checkWindowAssociation()

  651. {

  652.     if (isShowing())

  653.     {

  654.         if (blankPageShown)

  655.             goBack();

  656.     }

  657.     else

  658.     {

  659.         if (unloadPageWhenBrowserIsHidden && ! blankPageShown)

  660.         {

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

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

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

  664. 

  665.             blankPageShown = true;

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

  667.         }

  668.     }

  669. }

  670. 

  671. void WebBrowserComponent::reloadLastURL()

  672. {

  673.     if (lastURL.isNotEmpty())

  674.     {

  675.         goToURL (lastURL, &lastHeaders, lastPostData.getSize() == 0 ? nullptr : &lastPostData);

  676.         lastURL.clear();

  677.     }

  678. }

  679. 

  680. void WebBrowserComponent::parentHierarchyChanged()

  681. {

  682.     checkWindowAssociation();

  683. }

  684. 

  685. void WebBrowserComponent::resized()

  686. {

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

  688. }

  689. 

  690. void WebBrowserComponent::visibilityChanged()

  691. {

  692.     checkWindowAssociation();

  693. }

  694. 

  695. void WebBrowserComponent::focusGained (FocusChangeType)

  696. {

  697. }

  698. 

  699. void WebBrowserComponent::clearCookies()

  700. {

  701.     auto* env = getEnv();

  702. 

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

  704.                                                                          AndroidCookieManager.getInstance));

  705. 

  706.     jmethodID clearCookiesMethod = nullptr;

  707. 

  708.     if (getAndroidSDKVersion() >= 21)

  709.     {

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

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

  712.     }

  713.     else

  714.     {

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

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

  717.     }

  718. }

  719. 

  720. WebBrowserComponent::Pimpl::JuceWebViewClient16_Class   WebBrowserComponent::Pimpl::JuceWebViewClient16;

  721. WebBrowserComponent::Pimpl::JuceWebViewClient21_Class   WebBrowserComponent::Pimpl::JuceWebViewClient21;

  722. WebBrowserComponent::Pimpl::JuceWebChromeClient_Class WebBrowserComponent::Pimpl::JuceWebChromeClient;

  723. } // namespace juce