1 /* 2 * Copyright (C) 2009 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17 #ifndef ANDROID_EMOJI_FACTORY_H 18 #define ANDROID_EMOJI_FACTORY_H 19 20 namespace android { 21 22 // Abstract class for EmojiFactory. 23 // 24 // Here, PUA (or Android PUA) means Unicode PUA defined for various emoji. The 25 // PUA supports emoji of DoCoMo, KDDI, Softbank and Goomoji. Each PUA defined 26 // by the other vendors (careers) are called Vendor Specific PUA (vsp). 27 // For more information, go 28 // http://unicode.org/~mdavis/08080r-emoji-proposal/ (tentative) 29 class EmojiFactory { 30 public: 31 virtual ~EmojiFactory() {} 32 // Returns binary image data corresponding to "pua". The size of binary is 33 // stored to "size". Returns NULL if there's no mapping from the "pua" to a 34 // specific image. Currently, image format is all (animated) gif. 35 // 36 // TODO(dmiyakawa): there should be a way to tell users the format of the 37 // binary. 38 virtual const char *GetImageBinaryFromAndroidPua(int pua, int *size) = 0; 39 40 // Returns binary image data corresponding to "sjis", which is defined by 41 // each career. Returns NULL when there's no mapping for "sjis". 42 virtual const char *GetImageBinaryFromVendorSpecificSjis(unsigned short sjis, 43 int *size) { 44 return GetImageBinaryFromAndroidPua( 45 GetAndroidPuaFromVendorSpecificSjis(sjis), size); 46 } 47 48 // Returns binary image data corresponding to Vendor-specific PUA "vsp". 49 // Returns NULL when there's no mapping for "vsp". 50 virtual const char *GetImageBinaryFromVendorSpecificPua(int vsp, 51 int *size) { 52 return GetImageBinaryFromAndroidPua( 53 GetAndroidPuaFromVendorSpecificPua(vsp), size); 54 } 55 56 // Returns Android PUA corresponding to "sjis". Returns -1 when there's no 57 // mapping from "sjis" to a Android PUA. 58 virtual int GetAndroidPuaFromVendorSpecificSjis(unsigned short sjis) = 0; 59 60 // Returns Vendor-specific Shift jis code corresponding to "pua". Returns -1 61 // when ther's no mapping from "pua" to a specific sjis. 62 virtual int GetVendorSpecificSjisFromAndroidPua(int pua) = 0; 63 64 // Returns maximum Vendor-Specific PUA. This is the last valid value. 65 virtual int GetMaximumVendorSpecificPua() = 0; 66 67 // Returns minimum Vendor-Specific PUA. 68 virtual int GetMinimumVendorSpecificPua() = 0; 69 70 // Returns maximum Android PUA. This the last valid value. 71 virtual int GetMaximumAndroidPua() = 0; 72 73 // Returns minimum Android PUA. 74 virtual int GetMinimumAndroidPua() = 0; 75 76 // Returns Android PUA corresponding to Vendor-Specific Unicode "vsp". Returns 77 // -1 when there's no mapping from "vsp" to a Android PUA. 78 virtual int GetAndroidPuaFromVendorSpecificPua(int vsp) = 0; 79 80 // Returns Vendor-specific PUA corresponding to "pua". Returns -1 when 81 // there's no mapping from "pua" to a specific unicode. 82 virtual int GetVendorSpecificPuaFromAndroidPua(int pua) = 0; 83 84 // Returns non NULL string which defines the name of this factory. 85 // e.g. "docomo", "goomoji" 86 virtual const char *Name() const = 0; 87 88 // Get a specific implementation of EmojiFactory. If there's no implementation 89 // for "name", returns NULL. 90 // The ownership of the instance remains to this class, so users must not 91 // release it. 92 static EmojiFactory *GetImplementation(const char *name); 93 94 // Get an implementation of EmojiFactory. This assumes that, usually, there 95 // should be only one possible EmojiFactory implementation. If there are more 96 // than one implementations, most prefered one is returned. 97 // The ownership of the instance remains to this class, so users must not 98 // release it. 99 static EmojiFactory *GetAvailableImplementation(); 100 }; 101 102 } // namespace android 103 104 #endif // ANDROID_EMOJI_FACTORY_H 105