# Copyright (C) 2011 The Android Open Source Project
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
#      http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.

# We have to use BUILD_PREBUILT instead of PRODUCT_COPY_FIES,
# because SMALLER_FONT_FOOTPRINT is only available in Android.mks.

LOCAL_PATH := $(call my-dir)

##########################################
# create symlink for given font
# $(1): new font $(2): link target
# should be used with eval: $(eval $(call ...))
define create-font-symlink
$(PRODUCT_OUT)/system/fonts/$(1) : $(PRODUCT_OUT)/system/fonts/$(2)
	@echo "Symlink: $$@ -> $$<"
	@mkdir -p $$(dir $$@)
	@rm -rf $$@
	$(hide) ln -sf $$(notdir $$<) $$@
# this magic makes LOCAL_REQUIRED_MODULES work
ALL_MODULES.$(1).INSTALLED := \
    $(ALL_MODULES.$(1).INSTALLED) $(PRODUCT_OUT)/system/fonts/$(1)
endef

##########################################
# We may only afford small font footprint.
##########################################
$(eval $(call create-font-symlink,DroidSans.ttf,Roboto-Regular.ttf))
$(eval $(call create-font-symlink,DroidSans-Bold.ttf,Roboto-Bold.ttf))

################################
# On space-constrained devices, we include a subset of fonts:
ifeq ($(SMALLER_FONT_FOOTPRINT),true)
droidsans_fallback_src := DroidSansFallback.ttf
extra_font_files := DroidSans.ttf DroidSans-Bold.ttf
else
include $(CLEAR_VARS)
LOCAL_MODULE := DroidSansEthiopic-Regular.ttf
LOCAL_SRC_FILES := $(LOCAL_MODULE)
LOCAL_MODULE_CLASS := ETC
LOCAL_MODULE_TAGS := optional
LOCAL_MODULE_PATH := $(TARGET_OUT)/fonts
include $(BUILD_PREBUILT)

include $(CLEAR_VARS)
LOCAL_MODULE := DroidSansTamil-Regular.ttf
LOCAL_SRC_FILES := $(LOCAL_MODULE)
LOCAL_MODULE_CLASS := ETC
LOCAL_MODULE_TAGS := optional
LOCAL_MODULE_PATH := $(TARGET_OUT)/fonts
include $(BUILD_PREBUILT)

include $(CLEAR_VARS)
LOCAL_MODULE := DroidSansTamil-Bold.ttf
LOCAL_SRC_FILES := $(LOCAL_MODULE)
LOCAL_MODULE_CLASS := ETC
LOCAL_MODULE_TAGS := optional
LOCAL_MODULE_PATH := $(TARGET_OUT)/fonts
include $(BUILD_PREBUILT)

include $(CLEAR_VARS)
LOCAL_MODULE := MTLmr3m.ttf
LOCAL_SRC_FILES := $(LOCAL_MODULE)
LOCAL_MODULE_CLASS := ETC
LOCAL_MODULE_TAGS := optional
LOCAL_MODULE_PATH := $(TARGET_OUT)/fonts
include $(BUILD_PREBUILT)

droidsans_fallback_src := DroidSansFallbackFull.ttf
extra_font_files := \
	DroidSans.ttf \
	DroidSans-Bold.ttf \
	DroidSansEthiopic-Regular.ttf \
	DroidSansTamil-Regular.ttf \
	DroidSansTamil-Bold.ttf \
	MTLmr3m.ttf
endif  # SMALLER_FONT_FOOTPRINT

################################
include $(CLEAR_VARS)
LOCAL_MODULE := DroidSansFallback.ttf
LOCAL_SRC_FILES := $(droidsans_fallback_src)
LOCAL_MODULE_CLASS := ETC
LOCAL_MODULE_TAGS := optional
LOCAL_MODULE_PATH := $(TARGET_OUT)/fonts
LOCAL_REQUIRED_MODULES := $(extra_font_files)
include $(BUILD_PREBUILT)

font_symlink_src :=
font_symlink :=
droidsans_fallback_src :=
extra_font_files :=
################################
# Build the rest font files as prebuilt.

# $(1): The source file name in LOCAL_PATH.
#       It also serves as the module name and the dest file name.
define build-one-font-module
$(eval include $(CLEAR_VARS))\
$(eval LOCAL_MODULE := $(1))\
$(eval LOCAL_SRC_FILES := $(1))\
$(eval LOCAL_MODULE_CLASS := ETC)\
$(eval LOCAL_MODULE_TAGS := optional)\
$(eval LOCAL_MODULE_PATH := $(TARGET_OUT)/fonts)\
$(eval include $(BUILD_PREBUILT))
endef

font_src_files := \
    Roboto-Regular.ttf \
    Roboto-Bold.ttf \
    Roboto-Italic.ttf \
    Roboto-BoldItalic.ttf \
    DroidSerif-Regular.ttf \
    DroidSerif-Bold.ttf \
    DroidSerif-Italic.ttf \
    DroidSerif-BoldItalic.ttf \
    DroidSansMono.ttf \
    Clockopia.ttf \
    AndroidClock.ttf \
    AndroidClock_Highlight.ttf \
    AndroidClock_Solid.ttf

ifeq ($(MINIMAL_FONT_FOOTPRINT),true)

$(eval $(call create-font-symlink,Roboto-Light.ttf,Roboto-Regular.ttf))
$(eval $(call create-font-symlink,Roboto-LightItalic.ttf,Roboto-Italic.ttf))
$(eval $(call create-font-symlink,Roboto-Thin.ttf,Roboto-Regular.ttf))
$(eval $(call create-font-symlink,Roboto-ThinItalic.ttf,Roboto-Italic.ttf))
$(eval $(call create-font-symlink,RobotoCondensed-Regular.ttf,Roboto-Regular.ttf))
$(eval $(call create-font-symlink,RobotoCondensed-Bold.ttf,Roboto-Bold.ttf))
$(eval $(call create-font-symlink,RobotoCondensed-Italic.ttf,Roboto-Italic.ttf))
$(eval $(call create-font-symlink,RobotoCondensed-BoldItalic.ttf,Roboto-BoldItalic.ttf))

else # !MINIMAL_FONT
font_src_files += \
    Roboto-Light.ttf \
    Roboto-LightItalic.ttf \
    Roboto-Thin.ttf \
    Roboto-ThinItalic.ttf \
    RobotoCondensed-Regular.ttf \
    RobotoCondensed-Bold.ttf \
    RobotoCondensed-Italic.ttf \
    RobotoCondensed-BoldItalic.ttf \
    DroidNaskh-Regular.ttf \
    DroidNaskhUI-Regular.ttf \
    DroidSansDevanagari-Regular.ttf \
    DroidSansHebrew-Regular.ttf \
    DroidSansHebrew-Bold.ttf \
    DroidSansThai.ttf \
    DroidSansArmenian.ttf \
    DroidSansGeorgian.ttf \
    AndroidEmoji.ttf

endif # !MINIMAL_FONT

$(foreach f, $(font_src_files), $(call build-one-font-module, $(f)))

build-one-font-module :=
font_src_files :=