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JUCE/modules/juce_gui_extra/native/juce_android_WebBrowserComp...

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  1. /*

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

  3. 

  4.    This file is part of the JUCE library.

  5.    Copyright (c) 2020 - 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 5 End-User License

  11.    Agreement and JUCE 5 Privacy Policy (both updated and effective as of the

  12.    22nd April 2020).

  13. 

  14.    End User License Agreement: www.juce.com/juce-5-licence

  15.    Privacy Policy: www.juce.com/juce-5-privacy-policy

  16. 

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

  18.    www.gnu.org/licenses).

  19. 

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

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

  22.    DISCLAIMED.

  23. 

  24.   ==============================================================================

  25. */

  26. 

  27. namespace juce

  28. {

  29. 

  30. //==============================================================================

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

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

  33. static const unsigned char JuceWebView16ByteCode[] =

  34. {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,

  35. 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,

  36. 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,

  37. 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,

  38. 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,

  39. 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,

  40. 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,

  41. 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,

  42. 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,

  43. 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,

  44. 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,

  45. 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,

  46. 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,

  47. 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,

  48. 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,

  49. 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,

  50. 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,

  51. 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,

  52. 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,

  53. 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,

  54. 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,

  55. 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,

  56. 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,

  57. 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,

  58. 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,

  59. 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,

  60. 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,

  61. 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,

  62. 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,

  63. 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,

  64. 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,

  65. 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,

  66. 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,

  67. 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,

  68. 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,

  69. 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,

  70. 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,

  71. 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,

  72. 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,

  73. 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,

  74. 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,

  75. 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,

  76. 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,

  77. 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,

  78. 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,

  79. 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,

  80. 111,243,3,192,11,0,0,0,0};

  81. 

  82. //==============================================================================

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

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

  85. static const unsigned char JuceWebView21ByteCode[] =

  86. {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,

  87. 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,

  88. 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,

  89. 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,

  90. 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,

  91. 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,

  92. 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,

  93. 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,

  94. 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,

  95. 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,

  96. 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,

  97. 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,

  98. 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,

  99. 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,

  100. 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,

  101. 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,

  102. 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,

  103. 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,

  104. 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,

  105. 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,

  106. 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,

  107. 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,

  108. 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,

  109. 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,

  110. 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,

  111. 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,

  112. 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,

  113. 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,

  114. 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,

  115. 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,

  116. 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,

  117. 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,

  118. 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,

  119. 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,

  120. 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,

  121. 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,

  122. 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,

  123. 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,

  124. 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,

  125. 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,

  126. 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,

  127. 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,

  128. 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,

  129. 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,

  130. 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,

  131. 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,

  132. 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,

  133. 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,

  134. 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,

  135. 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,

  136. 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,

  137. 245,221,175,22,206,215,202,223,143,254,11,250,146,74,12,88,13,0,0,0,0};

  138. 

  139. 

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

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

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

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

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

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

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

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

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

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

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

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

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

  153. 

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

  155. #undef JNI_CLASS_MEMBERS

  156. 

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

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

  159. 

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

  161. #undef JNI_CLASS_MEMBERS

  162. 

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

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

  165. 

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

  167. #undef JNI_CLASS_MEMBERS

  168. 

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

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

  171. 

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

  173. #undef JNI_CLASS_MEMBERS

  174. 

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

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

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

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

  179.   METHOD (setSupportMultipleWindows, "setSupportMultipleWindows", "(Z)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)

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

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

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

  217. 

  218.         auto sdkVersion = getAndroidSDKVersion();

  219. 

  220.         if (sdkVersion >= 21)

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

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

  223.         else

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

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

  226. 

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

  228.     }

  229. 

  230.     ~Pimpl()

  231.     {

  232.         auto* env = getEnv();

  233. 

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

  235. 

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

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

  238. 

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

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

  241. 

  242.         masterReference.clear();

  243. 

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

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

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

  247.         responseReadyEvent.signal();

  248. 

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

  250.                                                                              : JuceWebViewClient16.hostDeleted);

  251.     }

  252. 

  253.     void goToURL (const String& url,

  254.                   const StringArray* headers,

  255.                   const MemoryBlock* postData)

  256.     {

  257.         auto* env = getEnv();

  258. 

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

  260.         {

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

  262.         }

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

  264.         {

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

  266.                                                                  JavaHashMap.constructorWithCapacity,

  267.                                                                  headers->size()));

  268. 

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

  270.             {

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

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

  273. 

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

  275.                                        javaString (name).get(),

  276.                                        javaString (value).get());

  277.             }

  278. 

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

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

  281.         }

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

  283.         {

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

  285.             auto dataStringJava = javaString (dataStringJuce);

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

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

  288. 

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

  290. 

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

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

  293.         }

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

  295.         {

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

  297.             // we need to open URL manually.

  298. 

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

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

  301.         }

  302.     }

  303. 

  304.     void stop()

  305.     {

  306.         connectionThread = nullptr;

  307. 

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

  309.     }

  310. 

  311.     void goBack()

  312.     {

  313.         connectionThread = nullptr;

  314. 

  315.         auto* env = getEnv();

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

  317. 

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

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

  320.         else

  321.             owner.reloadLastURL();

  322.     }

  323. 

  324.     void goForward()

  325.     {

  326.         connectionThread = nullptr;

  327. 

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

  329.     }

  330. 

  331.     void refresh()

  332.     {

  333.         connectionThread = nullptr;

  334. 

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

  336.     }

  337. 

  338.     void handleAsyncUpdate()

  339.     {

  340.         jassert (connectionThread != nullptr);

  341. 

  342.         if (connectionThread == nullptr)

  343.             return;

  344. 

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

  346. 

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

  348.         {

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

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

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

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

  353. 

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

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

  356.                                       encoding.get(), 0);

  357.         }

  358.         else

  359.         {

  360.             owner.pageLoadHadNetworkError (result.description);

  361.         }

  362.     }

  363. 

  364.     bool handlePageAboutToLoad (const String& url)

  365.     {

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

  367.             return owner.pageAboutToLoad (url);

  368. 

  369.         WeakReference<Pimpl> weakRef (this);

  370. 

  371.         if (weakRef == nullptr)

  372.             return false;

  373. 

  374.         responseReadyEvent.reset();

  375. 

  376.         bool shouldLoad = false;

  377. 

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

  379.         {

  380.             if (weakRef == nullptr)

  381.                 return;

  382. 

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

  384. 

  385.             weakRef->responseReadyEvent.signal();

  386.         });

  387. 

  388.         responseReadyEvent.wait (-1);

  389. 

  390.         return shouldLoad;

  391.     }

  392. 

  393.     WebBrowserComponent& owner;

  394. 

  395. private:

  396.     class ConnectionThread  : private Thread

  397.     {

  398.     public:

  399.         struct Result

  400.         {

  401.             String url;

  402.             int statusCode = 0;

  403.             String description;

  404.             String data;

  405.         };

  406. 

  407.         ConnectionThread (Pimpl& ownerToUse,

  408.                           URL& url,

  409.                           const StringArray& headers)

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

  411.               owner (ownerToUse),

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

  413.         {

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

  415.             webInputStream->withConnectionTimeout (10000);

  416. 

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

  418. 

  419.             startThread();

  420.         }

  421. 

  422.         ~ConnectionThread() override

  423.         {

  424.             webInputStream->cancel();

  425.             signalThreadShouldExit();

  426.             waitForThreadToExit (10000);

  427. 

  428.             webInputStream = nullptr;

  429.         }

  430. 

  431.         void run() override

  432.         {

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

  434.             {

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

  436.                 owner.triggerAsyncUpdate();

  437.                 return;

  438.             }

  439. 

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

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

  442.             readFromInputStream();

  443.             owner.triggerAsyncUpdate();

  444.         }

  445. 

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

  447. 

  448.     private:

  449.         void readFromInputStream()

  450.         {

  451.             MemoryOutputStream ostream;

  452. 

  453.             for (;;)

  454.             {

  455.                 if (threadShouldExit())

  456.                     return;

  457. 

  458.                 char buffer [8192];

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

  460. 

  461.                 if (num <= 0)

  462.                     break;

  463. 

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

  465.             }

  466. 

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

  468.         }

  469. 

  470.         Pimpl& owner;

  471.         std::unique_ptr<WebInputStream> webInputStream;

  472.         Result result;

  473.     };

  474. 

  475.     //==============================================================================

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

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

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

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

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

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

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

  483. 

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

  485.     #undef JNI_CLASS_MEMBERS

  486. 

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

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

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

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

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

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

  493. 

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

  495.     #undef JNI_CLASS_MEMBERS

  496. 

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

  498.     {

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

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

  501. 

  502.         return 0;

  503.     }

  504. 

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

  506.     {

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

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

  509.     }

  510. 

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

  512.     {

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

  514.             myself->webReceivedHttpError (errorResponse);

  515.     }

  516. 

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

  518.     {

  519.         auto* env = getEnv();

  520. 

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

  522.         {

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

  524. 

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

  526.         }

  527.     }

  528. 

  529.     //==============================================================================

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

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

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

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

  534. 

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

  536.     #undef JNI_CLASS_MEMBERS

  537. 

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

  539.     {

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

  541.             myself->owner.windowCloseRequest();

  542.     }

  543. 

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

  545.     {

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

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

  548.     }

  549. 

  550.     //==============================================================================

  551.     void webReceivedHttpError (jobject errorResponse)

  552.     {

  553.         auto* env = getEnv();

  554. 

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

  556. 

  557.         if (responseClass != nullptr)

  558.         {

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

  560. 

  561.             if (method != nullptr)

  562.             {

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

  564. 

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

  566.                 return;

  567.             }

  568.         }

  569. 

  570.         // Should never get here!

  571.         jassertfalse;

  572.         owner.pageLoadHadNetworkError ({});

  573.     }

  574. 

  575.     //==============================================================================

  576.     GlobalRef juceWebChromeClient;

  577.     GlobalRef juceWebViewClient;

  578.     std::unique_ptr<ConnectionThread> connectionThread;

  579.     WaitableEvent responseReadyEvent;

  580. 

  581.     WeakReference<Pimpl>::Master masterReference;

  582.     friend class WeakReference<Pimpl>;

  583. };

  584. 

  585. //==============================================================================

  586. WebBrowserComponent::WebBrowserComponent (const bool unloadWhenHidden)

  587.     : blankPageShown (false),

  588.       unloadPageWhenBrowserIsHidden (unloadWhenHidden)

  589. {

  590.     setOpaque (true);

  591. 

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

  593.     addAndMakeVisible (browser.get());

  594. }

  595. 

  596. WebBrowserComponent::~WebBrowserComponent()

  597. {

  598. }

  599. 

  600. //==============================================================================

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

  602.                                    const StringArray* headers,

  603.                                    const MemoryBlock* postData)

  604. {

  605.     lastURL = url;

  606. 

  607.     if (headers != nullptr)

  608.         lastHeaders = *headers;

  609.     else

  610.         lastHeaders.clear();

  611. 

  612.     if (postData != nullptr)

  613.         lastPostData = *postData;

  614.     else

  615.         lastPostData.reset();

  616. 

  617.     blankPageShown = false;

  618. 

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

  620. }

  621. 

  622. void WebBrowserComponent::stop()

  623. {

  624.     browser->stop();

  625. }

  626. 

  627. void WebBrowserComponent::goBack()

  628. {

  629.     browser->goBack();

  630. 

  631.     lastURL.clear();

  632.     blankPageShown = false;

  633. }

  634. 

  635. void WebBrowserComponent::goForward()

  636. {

  637.     lastURL.clear();

  638. 

  639.     browser->goForward();

  640. }

  641. 

  642. void WebBrowserComponent::refresh()

  643. {

  644.     browser->refresh();

  645. }

  646. 

  647. //==============================================================================

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

  649. {

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

  651. }

  652. 

  653. void WebBrowserComponent::checkWindowAssociation()

  654. {

  655.     if (isShowing())

  656.     {

  657.         if (blankPageShown)

  658.             goBack();

  659.     }

  660.     else

  661.     {

  662.         if (unloadPageWhenBrowserIsHidden && ! blankPageShown)

  663.         {

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

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

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

  667. 

  668.             blankPageShown = true;

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

  670.         }

  671.     }

  672. }

  673. 

  674. void WebBrowserComponent::reloadLastURL()

  675. {

  676.     if (lastURL.isNotEmpty())

  677.     {

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

  679.         lastURL.clear();

  680.     }

  681. }

  682. 

  683. void WebBrowserComponent::parentHierarchyChanged()

  684. {

  685.     checkWindowAssociation();

  686. }

  687. 

  688. void WebBrowserComponent::resized()

  689. {

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

  691. }

  692. 

  693. void WebBrowserComponent::visibilityChanged()

  694. {

  695.     checkWindowAssociation();

  696. }

  697. 

  698. void WebBrowserComponent::focusGained (FocusChangeType)

  699. {

  700. }

  701. 

  702. void WebBrowserComponent::clearCookies()

  703. {

  704.     auto* env = getEnv();

  705. 

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

  707.                                                                          AndroidCookieManager.getInstance));

  708. 

  709.     jmethodID clearCookiesMethod = nullptr;

  710. 

  711.     if (getAndroidSDKVersion() >= 21)

  712.     {

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

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

  715.     }

  716.     else

  717.     {

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

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

  720.     }

  721. }

  722. 

  723. WebBrowserComponent::Pimpl::JuceWebViewClient16_Class   WebBrowserComponent::Pimpl::JuceWebViewClient16;

  724. WebBrowserComponent::Pimpl::JuceWebViewClient21_Class   WebBrowserComponent::Pimpl::JuceWebViewClient21;

  725. WebBrowserComponent::Pimpl::JuceWebChromeClient_Class WebBrowserComponent::Pimpl::JuceWebChromeClient;

  726. } // namespace juce