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957 lines
42 KiB
C++
957 lines
42 KiB
C++
/*
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==============================================================================
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This file is part of the JUCE library.
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Copyright (c) 2022 - Raw Material Software Limited
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JUCE is an open source library subject to commercial or open-source
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licensing.
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By using JUCE, you agree to the terms of both the JUCE 7 End-User License
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Agreement and JUCE Privacy Policy.
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End User License Agreement: www.juce.com/juce-7-licence
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Privacy Policy: www.juce.com/juce-privacy-policy
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Or: You may also use this code under the terms of the GPL v3 (see
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www.gnu.org/licenses).
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JUCE IS PROVIDED "AS IS" WITHOUT ANY WARRANTY, AND ALL WARRANTIES, WHETHER
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EXPRESSED OR IMPLIED, INCLUDING MERCHANTABILITY AND FITNESS FOR PURPOSE, ARE
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DISCLAIMED.
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==============================================================================
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*/
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namespace juce
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{
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//==============================================================================
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// This byte-code is generated from native/java/app/com/rmsl/juce/JuceContentProviderCursor.java with min sdk version 16
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// See juce_core/native/java/README.txt on how to generate this byte-code.
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static const uint8 javaJuceContentProviderCursor[] =
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{31,139,8,8,191,114,161,94,0,3,106,97,118,97,74,117,99,101,67,111,110,116,101,110,116,80,114,111,118,105,100,101,114,67,117,
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114,115,111,114,46,100,101,120,0,117,147,177,111,211,64,20,198,223,157,157,148,150,54,164,192,208,14,64,144,16,18,67,235,138,2,
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75,40,162,10,44,150,65,149,2,25,218,233,176,173,198,37,241,69,182,19,121,96,160,21,136,37,19,98,234,80,85,149,152,88,24,248,
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3,24,146,63,130,141,137,129,13,169,99,7,190,203,157,33,18,194,210,207,247,222,229,189,239,157,206,95,130,48,159,91,91,191,75,227,
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60,200,143,134,239,247,151,62,189,43,175,127,249,246,235,241,215,241,112,231,231,193,237,135,22,81,143,136,242,214,157,139,
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100,158,99,78,84,37,189,95,2,159,129,13,70,128,129,83,179,127,102,242,27,120,157,129,71,224,16,156,128,143,96,12,126,128,69,232,
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93,6,75,224,10,184,14,238,129,13,224,130,16,188,4,3,174,245,44,51,79,205,152,53,171,101,206,86,54,241,27,20,206,152,120,136,
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248,156,137,63,32,134,12,45,76,206,166,187,148,230,28,169,125,62,201,249,159,156,209,188,201,23,77,93,241,187,122,134,38,40,225,
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52,42,124,197,245,252,94,141,104,147,182,113,95,21,76,208,83,222,114,125,86,89,101,168,109,162,162,183,134,46,86,249,71,215,
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158,228,54,149,239,71,113,148,61,32,230,210,85,183,239,135,13,25,103,97,156,109,37,114,16,5,97,210,232,39,169,76,86,247,196,64,
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208,53,79,196,65,34,163,192,9,68,38,94,136,52,116,158,136,44,137,114,93,84,167,91,158,47,187,78,210,77,59,206,30,164,156,255,
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234,213,137,181,136,183,92,178,90,174,135,192,163,75,59,158,154,225,116,68,188,235,52,33,26,239,214,169,228,119,100,26,210,121,
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95,118,250,221,248,169,232,134,41,45,251,90,176,217,22,73,33,215,80,101,1,217,109,153,102,52,171,222,207,228,115,52,218,89,
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59,74,233,38,191,48,63,83,217,88,161,85,194,178,141,139,224,184,28,190,255,218,30,113,126,192,201,98,223,249,130,185,27,54,181,
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22,222,227,83,254,43,60,49,50,235,180,15,11,47,150,167,252,200,106,186,95,121,146,85,255,122,134,215,180,190,242,169,101,106,
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212,119,165,154,238,157,124,243,170,142,213,255,224,55,143,234,50,200,64,3,0,0,0,0};
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// This byte-code is generated from native/java/app/com/rmsl/juce/JuceContentProviderFileObserver.java with min sdk version 16
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// See juce_core/native/java/README.txt on how to generate this byte-code.
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static const uint8 javaJuceContentProviderFileObserver[] =
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{31,139,8,8,194,122,161,94,0,3,106,97,118,97,74,117,99,101,67,111,110,116,101,110,116,80,114,111,118,105,100,101,114,70,105,
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108,101,79,98,115,101,114,118,101,114,46,100,101,120,0,133,147,205,107,19,65,24,198,223,249,72,98,171,46,105,235,69,16,201,65,81,
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68,221,136,10,66,84,144,250,65,194,130,197,212,32,5,15,155,100,104,182,38,187,97,119,141,241,32,126,30,196,147,23,79,246,216,
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131,120,202,77,169,80,212,191,64,193,66,143,30,60,138,255,130,62,179,51,165,219,147,129,223,188,239,188,239,204,179,179,179,79,
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186,106,60,93,61,123,158,54,159,255,248,112,97,210,120,124,98,237,251,177,7,109,245,115,253,225,198,159,47,243,171,135,198,130,
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104,72,68,227,214,185,89,178,191,45,78,116,128,76,189,8,62,3,169,235,128,129,61,204,204,203,204,204,171,24,142,99,207,2,226,
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4,124,4,159,192,6,248,5,254,130,42,250,87,193,13,224,129,91,224,14,184,11,30,129,23,224,21,120,3,222,130,53,240,158,27,125,110,
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159,95,176,231,41,233,51,216,249,75,44,152,178,249,107,228,211,54,95,69,190,215,230,239,144,11,40,57,153,150,200,222,81,100,
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170,166,190,47,139,68,51,185,200,237,93,8,27,191,218,66,17,138,186,54,225,230,44,195,42,209,149,194,18,238,206,201,58,250,121,
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235,182,215,172,160,191,200,137,159,113,172,158,204,246,50,251,62,38,151,89,103,251,29,139,23,131,48,72,47,19,171,19,107,208,
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145,198,253,142,154,143,194,84,133,233,66,28,141,130,174,138,175,7,125,117,179,157,168,120,164,226,211,43,254,200,167,131,158,
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31,118,227,40,232,186,81,226,230,219,53,114,189,78,52,112,227,65,210,119,87,32,229,254,71,175,70,179,158,150,116,251,126,184,
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236,54,211,56,8,151,107,196,90,36,90,117,143,100,171,97,70,175,142,2,134,195,29,35,213,236,249,241,110,161,107,35,148,169,160,
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178,32,123,81,146,210,148,30,23,163,219,137,34,57,240,147,123,84,138,66,179,76,14,253,180,71,50,237,5,9,29,21,229,185,153,146,
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115,233,20,157,228,206,92,201,89,194,21,113,70,156,61,125,34,191,113,246,12,223,143,253,198,101,237,183,223,133,229,226,182,103,
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121,206,183,34,231,93,153,243,111,129,118,60,92,164,29,31,179,138,217,175,189,204,202,102,141,246,24,175,24,125,237,111,97,
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215,104,15,80,197,236,205,252,81,54,185,254,255,252,3,243,31,208,130,120,3,0,0,0,0};
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//==============================================================================
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#define JNI_CLASS_MEMBERS(METHOD, STATICMETHOD, FIELD, STATICFIELD, CALLBACK) \
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FIELD (authority, "authority", "Ljava/lang/String;")
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DECLARE_JNI_CLASS (AndroidProviderInfo, "android/content/pm/ProviderInfo")
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#undef JNI_CLASS_MEMBERS
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#define JNI_CLASS_MEMBERS(METHOD, STATICMETHOD, FIELD, STATICFIELD, CALLBACK) \
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METHOD (constructor, "<init>", "(Landroid/os/ParcelFileDescriptor;JJ)V") \
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METHOD (createInputStream, "createInputStream", "()Ljava/io/FileInputStream;") \
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METHOD (getLength, "getLength", "()J")
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DECLARE_JNI_CLASS (AssetFileDescriptor, "android/content/res/AssetFileDescriptor")
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#undef JNI_CLASS_MEMBERS
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#define JNI_CLASS_MEMBERS(METHOD, STATICMETHOD, FIELD, STATICFIELD, CALLBACK) \
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METHOD (close, "close", "()V")
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DECLARE_JNI_CLASS (JavaCloseable, "java/io/Closeable")
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#undef JNI_CLASS_MEMBERS
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#define JNI_CLASS_MEMBERS(METHOD, STATICMETHOD, FIELD, STATICFIELD, CALLBACK) \
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STATICMETHOD (open, "open", "(Ljava/io/File;I)Landroid/os/ParcelFileDescriptor;")
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DECLARE_JNI_CLASS (ParcelFileDescriptor, "android/os/ParcelFileDescriptor")
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#undef JNI_CLASS_MEMBERS
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//==============================================================================
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class AndroidContentSharerCursor
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{
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public:
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AndroidContentSharerCursor (JNIEnv* env,
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const LocalRef<jobject>& contentProvider,
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const LocalRef<jobjectArray>& resultColumns,
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std::function<void (AndroidContentSharerCursor&)> onCloseIn)
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: onClose (std::move (onCloseIn)),
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cursor (GlobalRef (LocalRef<jobject> (env->NewObject (JuceContentProviderCursor,
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JuceContentProviderCursor.constructor,
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reinterpret_cast<jlong> (this),
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resultColumns.get()))))
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{
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// the content provider must be created first
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jassert (contentProvider.get() != nullptr);
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}
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jobject getNativeCursor() const { return cursor.get(); }
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void addRow (LocalRef<jobjectArray>& values)
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{
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auto* env = getEnv();
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env->CallVoidMethod (cursor.get(), JuceContentProviderCursor.addRow, values.get());
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}
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private:
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static void cursorClosed (JNIEnv*, AndroidContentSharerCursor& t)
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{
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MessageManager::callAsync ([&t]
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{
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NullCheckedInvocation::invoke (t.onClose, t);
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});
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}
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std::function<void (AndroidContentSharerCursor&)> onClose;
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GlobalRef cursor;
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//==============================================================================
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#define JNI_CLASS_MEMBERS(METHOD, STATICMETHOD, FIELD, STATICFIELD, CALLBACK) \
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METHOD (addRow, "addRow", "([Ljava/lang/Object;)V") \
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METHOD (constructor, "<init>", "(J[Ljava/lang/String;)V") \
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CALLBACK (generatedCallback<&AndroidContentSharerCursor::cursorClosed>, "contentSharerCursorClosed", "(J)V") \
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DECLARE_JNI_CLASS_WITH_BYTECODE (JuceContentProviderCursor, "com/rmsl/juce/JuceContentProviderCursor", 16, javaJuceContentProviderCursor)
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#undef JNI_CLASS_MEMBERS
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};
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//==============================================================================
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class AndroidContentSharerFileObserver
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{
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public:
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AndroidContentSharerFileObserver (JNIEnv* env,
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const LocalRef<jobject>& contentProvider,
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const File& filepathToUse,
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std::function<void()> onCloseIn)
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: onClose (std::move (onCloseIn)),
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filepath (filepathToUse),
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fileObserver (GlobalRef (LocalRef<jobject> (env->NewObject (JuceContentProviderFileObserver,
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JuceContentProviderFileObserver.constructor,
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reinterpret_cast<jlong> (this),
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javaString (filepath.getFullPathName()).get(),
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open | access | closeWrite | closeNoWrite))))
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{
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// the content provider must be created first
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jassert (contentProvider.get() != nullptr);
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env->CallVoidMethod (fileObserver, JuceContentProviderFileObserver.startWatching);
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}
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void onFileEvent (int event, const LocalRef<jstring>&)
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{
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if (event == open)
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{
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++numOpenedHandles;
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}
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else if (event == access)
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{
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fileWasRead = true;
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}
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else if (event == closeNoWrite || event == closeWrite)
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{
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--numOpenedHandles;
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// numOpenedHandles may get negative if we don't receive open handle event.
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if (fileWasRead && numOpenedHandles <= 0)
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{
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MessageManager::callAsync ([fileObserver = fileObserver, onClose = onClose]
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{
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getEnv()->CallVoidMethod (fileObserver, JuceContentProviderFileObserver.stopWatching);
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NullCheckedInvocation::invoke (onClose);
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});
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}
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}
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}
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private:
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static constexpr int open = 32;
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static constexpr int access = 1;
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static constexpr int closeWrite = 8;
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static constexpr int closeNoWrite = 16;
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std::function<void()> onClose;
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bool fileWasRead = false;
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int numOpenedHandles = 0;
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File filepath;
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GlobalRef fileObserver;
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//==============================================================================
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#define JNI_CLASS_MEMBERS(METHOD, STATICMETHOD, FIELD, STATICFIELD, CALLBACK) \
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METHOD (constructor, "<init>", "(JLjava/lang/String;I)V") \
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METHOD (startWatching, "startWatching", "()V") \
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METHOD (stopWatching, "stopWatching", "()V") \
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CALLBACK (generatedCallback<&AndroidContentSharerFileObserver::onFileEventCallback>, "contentSharerFileObserverEvent", "(JILjava/lang/String;)V") \
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DECLARE_JNI_CLASS_WITH_BYTECODE (JuceContentProviderFileObserver, "com/rmsl/juce/JuceContentProviderFileObserver", 16, javaJuceContentProviderFileObserver)
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#undef JNI_CLASS_MEMBERS
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static void onFileEventCallback (JNIEnv*, AndroidContentSharerFileObserver& t, jint event, jstring path)
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{
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t.onFileEvent (event, LocalRef<jstring> (path));
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}
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};
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//==============================================================================
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class ContentSharerGlobalImpl
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{
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public:
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static ContentSharerGlobalImpl& getInstance()
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{
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static ContentSharerGlobalImpl result;
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return result;
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}
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const String packageName = juceString (LocalRef<jstring> ((jstring) getEnv()->CallObjectMethod (getAppContext().get(),
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AndroidContext.getPackageName)));
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const String uriBase = "content://" + packageName + ".sharingcontentprovider/";
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std::unique_ptr<ActivityLauncher> sharePreparedFiles (const std::map<String, File>& fileForUriIn,
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const StringArray& mimeTypes,
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std::function<void (bool)> callback)
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{
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// This function should be called from the main thread, but must not race with singleton
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// access from other threads.
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const ScopedLock lock { mutex };
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if (! isContentSharingEnabled())
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{
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// You need to enable "Content Sharing" in Projucer's Android exporter.
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jassertfalse;
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NullCheckedInvocation::invoke (callback, false);
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return {};
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}
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auto* env = getEnv();
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fileForUri.insert (fileForUriIn.begin(), fileForUriIn.end());
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LocalRef<jobject> fileUris (env->NewObject (JavaArrayList, JavaArrayList.constructor, fileForUriIn.size()));
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for (const auto& pair : fileForUriIn)
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{
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env->CallBooleanMethod (fileUris,
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JavaArrayList.add,
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env->CallStaticObjectMethod (AndroidUri,
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AndroidUri.parse,
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javaString (pair.first).get()));
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}
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LocalRef<jobject> intent (env->NewObject (AndroidIntent, AndroidIntent.constructor));
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env->CallObjectMethod (intent,
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AndroidIntent.setAction,
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javaString ("android.intent.action.SEND_MULTIPLE").get());
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env->CallObjectMethod (intent,
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AndroidIntent.setType,
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javaString (getCommonMimeType (mimeTypes)).get());
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const auto permissions = [&]
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{
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constexpr int grantReadUriPermission = 1;
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constexpr int grantPrefixUriPermission = 128;
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if (getAndroidSDKVersion() < 21)
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return grantReadUriPermission;
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return grantReadUriPermission | grantPrefixUriPermission;
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};
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env->CallObjectMethod (intent, AndroidIntent.setFlags, permissions);
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env->CallObjectMethod (intent,
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AndroidIntent.putParcelableArrayListExtra,
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javaString ("android.intent.extra.STREAM").get(),
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fileUris.get());
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return doIntent (intent, callback);
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}
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std::unique_ptr<ActivityLauncher> shareText (const String& text,
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std::function<void (bool)> callback)
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{
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// This function should be called from the main thread, but must not race with singleton
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// access from other threads.
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const ScopedLock lock { mutex };
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if (! isContentSharingEnabled())
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{
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// You need to enable "Content Sharing" in Projucer's Android exporter.
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jassertfalse;
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NullCheckedInvocation::invoke (callback, false);
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return {};
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}
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auto* env = getEnv();
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LocalRef<jobject> intent (env->NewObject (AndroidIntent, AndroidIntent.constructor));
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env->CallObjectMethod (intent,
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AndroidIntent.setAction,
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javaString ("android.intent.action.SEND").get());
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env->CallObjectMethod (intent,
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AndroidIntent.putExtra,
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javaString ("android.intent.extra.TEXT").get(),
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javaString (text).get());
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env->CallObjectMethod (intent, AndroidIntent.setType, javaString ("text/plain").get());
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return doIntent (intent, callback);
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}
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static void onBroadcastResultReceive (JNIEnv*, jobject, int requestCode)
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{
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getInstance().sharingFinished (requestCode, true);
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}
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static jobject JNICALL contentSharerQuery (JNIEnv*, jobject contentProvider, jobject uri, jobjectArray projection)
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{
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return getInstance().query (LocalRef<jobject> (static_cast<jobject> (contentProvider)),
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LocalRef<jobject> (static_cast<jobject> (uri)),
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LocalRef<jobjectArray> (static_cast<jobjectArray> (projection)));
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}
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static jobject JNICALL contentSharerOpenFile (JNIEnv*, jobject contentProvider, jobject uri, jstring mode)
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{
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return getInstance().openFile (LocalRef<jobject> (static_cast<jobject> (contentProvider)),
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LocalRef<jobject> (static_cast<jobject> (uri)),
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LocalRef<jstring> (static_cast<jstring> (mode)));
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}
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static jobjectArray JNICALL contentSharerGetStreamTypes (JNIEnv*, jobject /*contentProvider*/, jobject uri, jstring mimeTypeFilter)
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{
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return getInstance().getStreamTypes (addLocalRefOwner (uri),
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addLocalRefOwner (mimeTypeFilter));
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}
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private:
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ContentSharerGlobalImpl() = default;
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LocalRef<jobject> makeChooser (const LocalRef<jobject>& intent, int request) const
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{
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auto* env = getEnv();
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const auto text = javaString ("Choose share target");
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if (getAndroidSDKVersion() < 22)
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return LocalRef<jobject> (env->CallStaticObjectMethod (AndroidIntent,
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AndroidIntent.createChooser,
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intent.get(),
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text.get()));
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constexpr jint FLAG_UPDATE_CURRENT = 0x08000000;
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constexpr jint FLAG_IMMUTABLE = 0x04000000;
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const auto context = getAppContext();
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auto* klass = env->FindClass ("com/rmsl/juce/Receiver");
|
|
const LocalRef<jobject> replyIntent (env->NewObject (AndroidIntent, AndroidIntent.constructorWithContextAndClass, context.get(), klass));
|
|
getEnv()->CallObjectMethod (replyIntent, AndroidIntent.putExtraInt, javaString ("com.rmsl.juce.JUCE_REQUEST_CODE").get(), request);
|
|
|
|
const auto flags = FLAG_UPDATE_CURRENT | (getAndroidSDKVersion() <= 23 ? 0 : FLAG_IMMUTABLE);
|
|
const LocalRef<jobject> pendingIntent (env->CallStaticObjectMethod (AndroidPendingIntent,
|
|
AndroidPendingIntent.getBroadcast,
|
|
context.get(),
|
|
request,
|
|
replyIntent.get(),
|
|
flags));
|
|
|
|
return LocalRef<jobject> (env->CallStaticObjectMethod (AndroidIntent22,
|
|
AndroidIntent22.createChooser,
|
|
intent.get(),
|
|
text.get(),
|
|
env->CallObjectMethod (pendingIntent,
|
|
AndroidPendingIntent.getIntentSender)));
|
|
}
|
|
|
|
//==============================================================================
|
|
jobject openFile (const LocalRef<jobject>& contentProvider,
|
|
const LocalRef<jobject>& uri,
|
|
[[maybe_unused]] const LocalRef<jstring>& mode)
|
|
{
|
|
// This function can be called from multiple threads.
|
|
const ScopedLock lock { mutex };
|
|
|
|
auto* env = getEnv();
|
|
|
|
auto uriElements = getContentUriElements (env, uri);
|
|
|
|
if (uriElements.file == File())
|
|
return nullptr;
|
|
|
|
return getAssetFileDescriptor (env, contentProvider, uriElements.file);
|
|
}
|
|
|
|
jobject query (const LocalRef<jobject>& contentProvider,
|
|
const LocalRef<jobject>& uri,
|
|
const LocalRef<jobjectArray>& projection)
|
|
{
|
|
// This function can be called from multiple threads.
|
|
const ScopedLock lock { mutex };
|
|
|
|
StringArray requestedColumns = javaStringArrayToJuce (projection);
|
|
StringArray supportedColumns = getSupportedColumns();
|
|
|
|
StringArray resultColumns;
|
|
|
|
for (const auto& col : supportedColumns)
|
|
{
|
|
if (requestedColumns.contains (col))
|
|
resultColumns.add (col);
|
|
}
|
|
|
|
// Unsupported columns were queried, file sharing may fail.
|
|
if (resultColumns.isEmpty())
|
|
return nullptr;
|
|
|
|
auto resultJavaColumns = juceStringArrayToJava (resultColumns);
|
|
|
|
auto* env = getEnv();
|
|
|
|
const auto uriElements = getContentUriElements (env, uri);
|
|
|
|
const auto callback = [info = uriElements.file] (auto& ref)
|
|
{
|
|
auto& pimplCursors = ContentSharerGlobalImpl::getInstance().cursors;
|
|
const auto iter = std::lower_bound (pimplCursors.begin(), pimplCursors.end(), &ref, [] (const auto& managed, const auto* ptr)
|
|
{
|
|
return managed.get() == ptr;
|
|
});
|
|
|
|
if (iter != pimplCursors.end() && iter->get() == &ref)
|
|
pimplCursors.erase (iter);
|
|
};
|
|
|
|
auto [iter, inserted] = cursors.emplace (new AndroidContentSharerCursor (env,
|
|
contentProvider,
|
|
resultJavaColumns,
|
|
callback));
|
|
|
|
if (uriElements.file == File())
|
|
return (*iter)->getNativeCursor();
|
|
|
|
LocalRef<jobjectArray> values (env->NewObjectArray ((jsize) resultColumns.size(), JavaObject, nullptr));
|
|
|
|
for (int i = 0; i < resultColumns.size(); ++i)
|
|
{
|
|
if (resultColumns.getReference (i) == "_display_name")
|
|
{
|
|
env->SetObjectArrayElement (values, i, javaString (uriElements.filename).get());
|
|
}
|
|
else if (resultColumns.getReference (i) == "_size")
|
|
{
|
|
LocalRef<jobject> javaFile (env->NewObject (JavaFile,
|
|
JavaFile.constructor,
|
|
javaString (uriElements.file.getFullPathName()).get()));
|
|
|
|
jlong fileLength = env->CallLongMethod (javaFile, JavaFile.length);
|
|
|
|
env->SetObjectArrayElement (values, i, env->NewObject (JavaLong, JavaLong.constructor, fileLength));
|
|
}
|
|
}
|
|
|
|
(*iter)->addRow (values);
|
|
return (*iter)->getNativeCursor();
|
|
}
|
|
|
|
jobjectArray getStreamTypes (const LocalRef<jobject>& uri, const LocalRef<jstring>& mimeTypeFilter)
|
|
{
|
|
// This function can be called from multiple threads.
|
|
const ScopedLock lock { mutex };
|
|
|
|
auto* env = getEnv();
|
|
|
|
auto extension = getContentUriElements (env, uri).filename.fromLastOccurrenceOf (".", false, true);
|
|
|
|
if (extension.isEmpty())
|
|
return nullptr;
|
|
|
|
return juceStringArrayToJava (filterMimeTypes (detail::MimeTypeTable::getMimeTypesForFileExtension (extension),
|
|
juceString (mimeTypeFilter.get()))).release();
|
|
}
|
|
|
|
std::unique_ptr<ActivityLauncher> doIntent (const LocalRef<jobject>& intent,
|
|
std::function<void (bool)> callback)
|
|
{
|
|
static std::atomic<int> lastRequest = 1003;
|
|
const auto requestCode = lastRequest++;
|
|
callbackForRequest.emplace (requestCode, callback);
|
|
const auto chooser = makeChooser (intent, requestCode);
|
|
|
|
auto launcher = std::make_unique<ActivityLauncher> (chooser, requestCode);
|
|
launcher->callback = [] (int request, int resultCode, LocalRef<jobject>)
|
|
{
|
|
ContentSharerGlobalImpl::getInstance().sharingFinished (request, resultCode == -1);
|
|
};
|
|
launcher->open();
|
|
return launcher;
|
|
}
|
|
|
|
void sharingFinished (int request, bool succeeded)
|
|
{
|
|
// This function should be called from the main thread, but must not race with singleton
|
|
// access from other threads.
|
|
const ScopedLock lock { mutex };
|
|
|
|
const auto iter = callbackForRequest.find (request);
|
|
|
|
if (iter == callbackForRequest.end())
|
|
return;
|
|
|
|
const ScopeGuard scope { [&] { callbackForRequest.erase (iter); } };
|
|
|
|
if (iter->second == nullptr)
|
|
return;
|
|
|
|
iter->second (succeeded);
|
|
}
|
|
|
|
bool isContentSharingEnabled() const
|
|
{
|
|
auto* env = getEnv();
|
|
|
|
LocalRef<jobject> packageManager (env->CallObjectMethod (getAppContext().get(), AndroidContext.getPackageManager));
|
|
|
|
constexpr int getProviders = 8;
|
|
LocalRef<jobject> packageInfo (env->CallObjectMethod (packageManager,
|
|
AndroidPackageManager.getPackageInfo,
|
|
javaString (packageName).get(),
|
|
getProviders));
|
|
LocalRef<jobjectArray> providers ((jobjectArray) env->GetObjectField (packageInfo,
|
|
AndroidPackageInfo.providers));
|
|
|
|
if (providers == nullptr)
|
|
return false;
|
|
|
|
auto sharingContentProviderAuthority = packageName + ".sharingcontentprovider";
|
|
const int numProviders = env->GetArrayLength (providers.get());
|
|
|
|
for (int i = 0; i < numProviders; ++i)
|
|
{
|
|
LocalRef<jobject> providerInfo (env->GetObjectArrayElement (providers, i));
|
|
LocalRef<jstring> authority ((jstring) env->GetObjectField (providerInfo, AndroidProviderInfo.authority));
|
|
|
|
if (juceString (authority) == sharingContentProviderAuthority)
|
|
return true;
|
|
}
|
|
|
|
return false;
|
|
}
|
|
|
|
//==============================================================================
|
|
struct ContentUriElements
|
|
{
|
|
String filename;
|
|
File file;
|
|
};
|
|
|
|
ContentUriElements getContentUriElements (JNIEnv* env, const LocalRef<jobject>& uri) const
|
|
{
|
|
const auto fullUri = juceString ((jstring) env->CallObjectMethod (uri.get(), AndroidUri.toString));
|
|
|
|
const auto filename = fullUri.fromLastOccurrenceOf ("/", false, true);
|
|
|
|
const auto iter = fileForUri.find (fullUri);
|
|
const auto info = iter != fileForUri.end() ? iter->second : File{};
|
|
|
|
return { filename, info };
|
|
}
|
|
|
|
static StringArray getSupportedColumns()
|
|
{
|
|
return StringArray ("_display_name", "_size");
|
|
}
|
|
|
|
jobject getAssetFileDescriptor (JNIEnv* env, const LocalRef<jobject>& contentProvider, const File& filepath)
|
|
{
|
|
if (nonAssetFilePathsPendingShare.find (filepath) == nonAssetFilePathsPendingShare.end())
|
|
{
|
|
const auto onCloseCallback = [filepath]
|
|
{
|
|
ContentSharerGlobalImpl::getInstance().nonAssetFilePathsPendingShare.erase (filepath);
|
|
};
|
|
|
|
auto observer = rawToUniquePtr (new AndroidContentSharerFileObserver (env,
|
|
contentProvider,
|
|
filepath,
|
|
onCloseCallback));
|
|
|
|
nonAssetFilePathsPendingShare.emplace (filepath, std::move (observer));
|
|
}
|
|
|
|
const LocalRef<jobject> javaFile (env->NewObject (JavaFile,
|
|
JavaFile.constructor,
|
|
javaString (filepath.getFullPathName()).get()));
|
|
|
|
constexpr int modeReadOnly = 268435456;
|
|
LocalRef<jobject> parcelFileDescriptor (env->CallStaticObjectMethod (ParcelFileDescriptor,
|
|
ParcelFileDescriptor.open,
|
|
javaFile.get(),
|
|
modeReadOnly));
|
|
|
|
if (jniCheckHasExceptionOccurredAndClear())
|
|
{
|
|
// Failed to create file descriptor. Have you provided a valid file path/resource name?
|
|
jassertfalse;
|
|
return nullptr;
|
|
}
|
|
|
|
jlong startOffset = 0;
|
|
jlong unknownLength = -1;
|
|
|
|
assetFileDescriptors.add (GlobalRef (LocalRef<jobject> (env->NewObject (AssetFileDescriptor,
|
|
AssetFileDescriptor.constructor,
|
|
parcelFileDescriptor.get(),
|
|
startOffset,
|
|
unknownLength))));
|
|
|
|
return assetFileDescriptors.getReference (assetFileDescriptors.size() - 1).get();
|
|
}
|
|
|
|
StringArray filterMimeTypes (const StringArray& mimeTypes, const String& filter)
|
|
{
|
|
String filterToUse (filter.removeCharacters ("*"));
|
|
|
|
if (filterToUse.isEmpty() || filterToUse == "/")
|
|
return mimeTypes;
|
|
|
|
StringArray result;
|
|
|
|
for (const auto& type : mimeTypes)
|
|
if (String (type).contains (filterToUse))
|
|
result.add (type);
|
|
|
|
return result;
|
|
}
|
|
|
|
static String getCommonMimeType (const StringArray& mimeTypes)
|
|
{
|
|
if (mimeTypes.isEmpty())
|
|
return "*/*";
|
|
|
|
auto commonMime = mimeTypes[0];
|
|
bool lookForCommonGroup = false;
|
|
|
|
for (int i = 1; i < mimeTypes.size(); ++i)
|
|
{
|
|
if (mimeTypes[i] == commonMime)
|
|
continue;
|
|
|
|
if (! lookForCommonGroup)
|
|
{
|
|
lookForCommonGroup = true;
|
|
commonMime = commonMime.upToFirstOccurrenceOf ("/", true, false);
|
|
}
|
|
|
|
if (! mimeTypes[i].startsWith (commonMime))
|
|
return "*/*";
|
|
}
|
|
|
|
return lookForCommonGroup ? commonMime + "*" : commonMime;
|
|
}
|
|
|
|
CriticalSection mutex;
|
|
Array<GlobalRef> assetFileDescriptors;
|
|
std::map<File, std::unique_ptr<AndroidContentSharerFileObserver>> nonAssetFilePathsPendingShare;
|
|
std::set<std::unique_ptr<AndroidContentSharerCursor>> cursors;
|
|
std::map<String, File> fileForUri;
|
|
std::map<int, std::function<void (bool)>> callbackForRequest;
|
|
};
|
|
|
|
#define JNI_CLASS_MEMBERS(METHOD, STATICMETHOD, FIELD, STATICFIELD, CALLBACK) \
|
|
CALLBACK (ContentSharerGlobalImpl::contentSharerQuery, "contentSharerQuery", "(Landroid/net/Uri;[Ljava/lang/String;)Landroid/database/Cursor;") \
|
|
CALLBACK (ContentSharerGlobalImpl::contentSharerOpenFile, "contentSharerOpenFile", "(Landroid/net/Uri;Ljava/lang/String;)Landroid/content/res/AssetFileDescriptor;") \
|
|
CALLBACK (ContentSharerGlobalImpl::contentSharerGetStreamTypes, "contentSharerGetStreamTypes", "(Landroid/net/Uri;Ljava/lang/String;)[Ljava/lang/String;") \
|
|
|
|
DECLARE_JNI_CLASS (JuceSharingContentProvider, "com/rmsl/juce/JuceSharingContentProvider")
|
|
#undef JNI_CLASS_MEMBERS
|
|
|
|
#define JNI_CLASS_MEMBERS(METHOD, STATICMETHOD, FIELD, STATICFIELD, CALLBACK) \
|
|
CALLBACK (ContentSharerGlobalImpl::onBroadcastResultReceive, "onBroadcastResultNative", "(I)V")
|
|
|
|
DECLARE_JNI_CLASS (AndroidReceiver, "com/rmsl/juce/Receiver")
|
|
#undef JNI_CLASS_MEMBERS
|
|
|
|
//==============================================================================
|
|
class AndroidContentSharerPrepareFilesTask final : private AsyncUpdater
|
|
{
|
|
public:
|
|
AndroidContentSharerPrepareFilesTask (const Array<URL>& fileUrls,
|
|
std::function<void (const std::map<String, File>&, const StringArray&)> onCompletionIn)
|
|
: onCompletion (std::move (onCompletionIn)),
|
|
task (std::async (std::launch::async, [this, fileUrls]
|
|
{
|
|
run (fileUrls);
|
|
triggerAsyncUpdate();
|
|
})) {}
|
|
|
|
~AndroidContentSharerPrepareFilesTask() override
|
|
{
|
|
task.wait();
|
|
cancelPendingUpdate();
|
|
}
|
|
|
|
private:
|
|
const String packageName = ContentSharerGlobalImpl::getInstance().packageName;
|
|
const String uriBase = ContentSharerGlobalImpl::getInstance().uriBase;
|
|
|
|
struct StreamCloser
|
|
{
|
|
explicit StreamCloser (const LocalRef<jobject>& streamToUse)
|
|
: stream (GlobalRef (streamToUse))
|
|
{
|
|
}
|
|
|
|
~StreamCloser()
|
|
{
|
|
if (stream.get() != nullptr)
|
|
getEnv()->CallVoidMethod (stream, JavaCloseable.close);
|
|
}
|
|
|
|
GlobalRef stream;
|
|
};
|
|
|
|
void handleAsyncUpdate() override
|
|
{
|
|
onCompletion (infoForUri, mimeTypes);
|
|
}
|
|
|
|
void run (const Array<URL>& fileUrls)
|
|
{
|
|
auto* env = getEnv();
|
|
|
|
StringArray filePaths;
|
|
|
|
for (const auto& f : fileUrls)
|
|
{
|
|
const auto scheme = f.getScheme();
|
|
|
|
// Only "file://" scheme or no scheme (for files in app bundle) are allowed!
|
|
jassert (scheme.isEmpty() || scheme == "file");
|
|
|
|
const auto fileToPrepare = [&]
|
|
{
|
|
if (! scheme.isEmpty())
|
|
return f;
|
|
|
|
// Raw resource names need to be all lower case
|
|
jassert (f.toString (true).toLowerCase() == f.toString (true));
|
|
|
|
// This will get us a file with file:// URI
|
|
return copyAssetFileToTemporaryFile (env, f.toString (true));
|
|
}();
|
|
|
|
if (fileToPrepare.isEmpty())
|
|
continue;
|
|
|
|
const auto filepath = URL::removeEscapeChars (fileToPrepare.toString (true).fromFirstOccurrenceOf ("file://", false, false));
|
|
|
|
filePaths.add (filepath);
|
|
}
|
|
|
|
std::vector<String> extensions;
|
|
|
|
for (const auto& filepath : filePaths)
|
|
{
|
|
const auto filename = filepath.fromLastOccurrenceOf ("/", false, true);
|
|
extensions.push_back (filename.fromLastOccurrenceOf (".", false, true));
|
|
}
|
|
|
|
std::set<String> mimes;
|
|
|
|
if (std::none_of (extensions.begin(), extensions.end(), [] (const String& s) { return s.isEmpty(); }))
|
|
for (const auto& extension : extensions)
|
|
for (const auto& mime : detail::MimeTypeTable::getMimeTypesForFileExtension (extension))
|
|
mimes.insert (mime);
|
|
|
|
for (const auto& mime : mimes)
|
|
mimeTypes.add (mime);
|
|
|
|
for (auto it = filePaths.begin(); it != filePaths.end(); ++it)
|
|
{
|
|
const auto filename = it->fromLastOccurrenceOf ("/", false, true);
|
|
const auto contentString = uriBase + String (std::distance (filePaths.begin(), it)) + "/" + filename;
|
|
infoForUri.emplace (contentString, *it);
|
|
}
|
|
}
|
|
|
|
URL copyAssetFileToTemporaryFile (JNIEnv* env, const String& filename)
|
|
{
|
|
LocalRef<jobject> resources (env->CallObjectMethod (getAppContext().get(), AndroidContext.getResources));
|
|
int fileId = env->CallIntMethod (resources,
|
|
AndroidResources.getIdentifier,
|
|
javaString (filename).get(),
|
|
javaString ("raw").get(),
|
|
javaString (packageName).get());
|
|
|
|
// Raw resource not found. Please make sure that you include your file as a raw resource
|
|
// and that you specify just the file name, without an extension.
|
|
jassert (fileId != 0);
|
|
|
|
if (fileId == 0)
|
|
return {};
|
|
|
|
LocalRef<jobject> assetFd (env->CallObjectMethod (resources,
|
|
AndroidResources.openRawResourceFd,
|
|
fileId));
|
|
|
|
StreamCloser inputStream (LocalRef<jobject> (env->CallObjectMethod (assetFd, AssetFileDescriptor.createInputStream)));
|
|
|
|
if (jniCheckHasExceptionOccurredAndClear())
|
|
{
|
|
// Failed to open file stream for resource
|
|
jassertfalse;
|
|
return {};
|
|
}
|
|
|
|
auto tempFile = File::createTempFile ({});
|
|
tempFile.createDirectory();
|
|
tempFile = tempFile.getChildFile (filename);
|
|
|
|
StreamCloser outputStream (LocalRef<jobject> (env->NewObject (JavaFileOutputStream,
|
|
JavaFileOutputStream.constructor,
|
|
javaString (tempFile.getFullPathName()).get())));
|
|
|
|
if (jniCheckHasExceptionOccurredAndClear())
|
|
{
|
|
// Failed to open file stream for temporary file
|
|
jassertfalse;
|
|
return {};
|
|
}
|
|
|
|
LocalRef<jbyteArray> buffer (env->NewByteArray (1024));
|
|
int bytesRead = 0;
|
|
|
|
for (;;)
|
|
{
|
|
bytesRead = env->CallIntMethod (inputStream.stream, JavaFileInputStream.read, buffer.get());
|
|
|
|
if (jniCheckHasExceptionOccurredAndClear())
|
|
{
|
|
// Failed to read from resource file.
|
|
jassertfalse;
|
|
return {};
|
|
}
|
|
|
|
if (bytesRead < 0)
|
|
break;
|
|
|
|
env->CallVoidMethod (outputStream.stream, JavaFileOutputStream.write, buffer.get(), 0, bytesRead);
|
|
|
|
if (jniCheckHasExceptionOccurredAndClear())
|
|
{
|
|
// Failed to write to temporary file.
|
|
jassertfalse;
|
|
return {};
|
|
}
|
|
}
|
|
|
|
return URL (tempFile);
|
|
}
|
|
|
|
std::map<String, File> infoForUri;
|
|
StringArray mimeTypes;
|
|
std::function<void (const std::map<String, File>&, const StringArray&)> onCompletion;
|
|
// This task is obtained from std::async(). Its destructor will block until the asynchronous
|
|
// task has completed; as a result, we can guarantee that the async task will have finished
|
|
// before the lifetimes of the other data members and base class end.
|
|
std::future<void> task;
|
|
};
|
|
|
|
auto detail::ScopedContentSharerInterface::shareFiles (const Array<URL>& urls, Component*) -> std::unique_ptr<ScopedContentSharerInterface>
|
|
{
|
|
class NativeScopedContentSharerInterface final : public detail::ScopedContentSharerInterface
|
|
{
|
|
public:
|
|
explicit NativeScopedContentSharerInterface (Array<URL> f)
|
|
: files (std::move (f)) {}
|
|
|
|
void runAsync (ContentSharer::Callback callback) override
|
|
{
|
|
// This lambda will only be called if the AndroidContentSharerPrepareFilesTask is still
|
|
// alive. We know that our lifetime will end after the
|
|
// AndroidContentSharerPrepareFilesTask, so there's no need to check that 'this' is
|
|
// still valid inside the lambda.
|
|
task.emplace (files, [this, callback] (const std::map<String, File>& infoForUri, const StringArray& mimeTypes)
|
|
{
|
|
launcher = ContentSharerGlobalImpl::getInstance().sharePreparedFiles (infoForUri, mimeTypes, [callback] (bool success)
|
|
{
|
|
callback (success, {});
|
|
});
|
|
});
|
|
}
|
|
|
|
void close() override
|
|
{
|
|
// dismiss() doesn't close the sharesheet, and there doesn't seem to be any alternative
|
|
// Maybe this will work in the future...
|
|
launcher.reset();
|
|
}
|
|
|
|
private:
|
|
Array<URL> files;
|
|
std::optional<AndroidContentSharerPrepareFilesTask> task;
|
|
std::unique_ptr<ActivityLauncher> launcher;
|
|
};
|
|
|
|
return std::make_unique<NativeScopedContentSharerInterface> (std::move (urls));
|
|
}
|
|
|
|
auto detail::ScopedContentSharerInterface::shareText (const String& text, Component*) -> std::unique_ptr<ScopedContentSharerInterface>
|
|
{
|
|
class NativeScopedContentSharerInterface final : public detail::ScopedContentSharerInterface
|
|
{
|
|
public:
|
|
explicit NativeScopedContentSharerInterface (String t)
|
|
: text (std::move (t)) {}
|
|
|
|
void runAsync (ContentSharer::Callback callback) override
|
|
{
|
|
launcher = ContentSharerGlobalImpl::getInstance().shareText (text, [callback] (bool success)
|
|
{
|
|
callback (success, {});
|
|
});
|
|
}
|
|
|
|
void close() override
|
|
{
|
|
// dismiss() doesn't close the sharesheet, and there doesn't seem to be any alternative
|
|
// Maybe this will work in the future...
|
|
launcher.reset();
|
|
}
|
|
|
|
private:
|
|
String text;
|
|
std::unique_ptr<ActivityLauncher> launcher;
|
|
};
|
|
|
|
return std::make_unique<NativeScopedContentSharerInterface> (std::move (text));
|
|
}
|
|
|
|
} // namespace juce
|