am 2b99b5da: am c9862b44: An ugly hack to render CalendarView. [DO NOT MERGE] (68ff174b) · Commits · e / os / android_frameworks_base

tools/layoutlib/create/src/com/android/tools/layoutlib/create/AsmAnalyzer.java

+2 −0

Original line number	Original line	Diff line number	Diff line
	@@ -112,6 +112,8 @@ public class AsmAnalyzer {
	mGen.setDeps(deps);		mGen.setDeps(deps);
	mGen.setCopyFiles(filesFound);		mGen.setCopyFiles(filesFound);
	mGen.setRewriteMethodCallClasses(mReplaceMethodCallClasses);		mGen.setRewriteMethodCallClasses(mReplaceMethodCallClasses);
			// hack hack hack
			mGen.mSimpleMonthViewReader = zipClasses.get(AsmGenerator.SIMPLE_MONTH_VIEW);
	}		}
	}		}

tools/layoutlib/create/src/com/android/tools/layoutlib/create/AsmGenerator.java

+8 −1

Original line number	Original line	Diff line number	Diff line
	@@ -77,6 +77,9 @@ public class AsmGenerator {
	/** Methods to inject. FQCN of class in which method should be injected => runnable that does		/** Methods to inject. FQCN of class in which method should be injected => runnable that does
	* the injection. */		* the injection. */
	private final Map<String, ICreateInfo.InjectMethodRunnable> mInjectedMethodsMap;		private final Map<String, ICreateInfo.InjectMethodRunnable> mInjectedMethodsMap;
			// A hack to do some modifications to simple month view.
			static final String SIMPLE_MONTH_VIEW = "android/widget/SimpleMonthView";
			ClassReader mSimpleMonthViewReader;

	/**		/**
	* Creates a new generator that can generate the output JAR with the stubbed classes.		* Creates a new generator that can generate the output JAR with the stubbed classes.
	@@ -204,7 +207,7 @@ public class AsmGenerator {
	* Utility that returns the internal ASM class name from a fully qualified binary class		* Utility that returns the internal ASM class name from a fully qualified binary class
	* name. E.g. it returns android/view/View from android.view.View.		* name. E.g. it returns android/view/View from android.view.View.
	*/		*/
	String binaryToInternalClassName(String className) {		static String binaryToInternalClassName(String className) {
	if (className == null) {		if (className == null) {
	return null;		return null;
	} else {		} else {
	@@ -380,6 +383,10 @@ public class AsmGenerator {
	}		}
	}		}

			if (SIMPLE_MONTH_VIEW.equals(className)) {
			cv = new SimpleMonthViewAdapter(cv);
			}

	cr.accept(cv, 0);		cr.accept(cv, 0);
	return cw.toByteArray();		return cw.toByteArray();
	}		}

tools/layoutlib/create/src/com/android/tools/layoutlib/create/SimpleMonthViewAdapter.java

0 → 100644

+90 −0

Original line number	Original line	Diff line number	Diff line
			/*
			* Copyright (C) 2015 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.
			*/

			package com.android.tools.layoutlib.create;

			import org.objectweb.asm.ClassVisitor;
			import org.objectweb.asm.FieldVisitor;
			import org.objectweb.asm.MethodVisitor;
			import org.objectweb.asm.Opcodes;
			import org.objectweb.asm.Type;

			import java.text.SimpleDateFormat;

			import static com.android.tools.layoutlib.create.AsmGenerator.binaryToInternalClassName;

			/**
			* A very ugly hack to transform all references to {@link java.text.SimpleDateFormat} in {@code
			* android.widget.SimpleMonthView} to {@code com.ibm.icu.text.SimpleDateFormat}.
			*/
			public class SimpleMonthViewAdapter extends ClassVisitor {

			private static final String JAVA_SDF_DESC = Type.getDescriptor(SimpleDateFormat.class);
			private static final String JAVA_SDF_INTERNAL_NAME =
			binaryToInternalClassName(SimpleDateFormat.class.getName());
			private static final String ICU_SDF_INTERNAL_NAME = "com/ibm/icu/text/SimpleDateFormat";

			public SimpleMonthViewAdapter(ClassVisitor cv) {
			super(Opcodes.ASM4, cv);
			}

			@Override
			public FieldVisitor visitField(int access, String name, String desc, String signature,
			Object value) {
			if (JAVA_SDF_DESC.equals(desc)) {
			desc = "L" + ICU_SDF_INTERNAL_NAME + ";";
			}
			return super.visitField(access, name, desc, signature, value);
			}

			@Override
			public MethodVisitor visitMethod(int access, String name, String desc, String signature,
			String[] exceptions) {
			return new MyMethodVisitor(super.visitMethod(access, name, desc, signature, exceptions));
			}

			private static class MyMethodVisitor extends MethodVisitor {
			public MyMethodVisitor(MethodVisitor mv) {
			super(Opcodes.ASM4, mv);
			}

			@Override
			public void visitTypeInsn(int opcode, String type) {
			if (JAVA_SDF_INTERNAL_NAME.equals(type) && opcode == Opcodes.NEW) {
			type = ICU_SDF_INTERNAL_NAME;
			}
			super.visitTypeInsn(opcode, type);
			}

			@Override
			public void visitMethodInsn(int opcode, String owner, String name, String desc) {
			if (JAVA_SDF_INTERNAL_NAME.equals(owner)) {
			owner = ICU_SDF_INTERNAL_NAME;
			}
			super.visitMethodInsn(opcode, owner, name, desc);
			}

			@Override
			public void visitFieldInsn(int opcode, String owner, String name, String desc) {
			if (JAVA_SDF_DESC.equals(desc) &&
			(opcode == Opcodes.PUTFIELD \|\| opcode == Opcodes.GETFIELD) &&
			name.equals("mDayFormatter")) {
			desc = "L" + ICU_SDF_INTERNAL_NAME + ";";
			}
			super.visitFieldInsn(opcode, owner, name, desc);
			}
			}
			}