Add aapt support for generating proguard rules for onClick methods.

[android/aapt.git] / Resource.cpp

diff --git a/Resource.cpp b/Resource.cpp
index c0fe5380afa5a6f7f71d29a1e6f1721cc93ff6a0..a69adc1c9a55c3a1b4f7eda14d8036cd4472c6fa 100644 (file)
--- a/Resource.cpp
+++ b/Resource.cpp
@@ -14,6 +14,8 @@
 #include "FileFinder.h"
 #include "CacheUpdater.h"
 
+#include <utils/WorkQueue.h>
+
 #if HAVE_PRINTF_ZD
 #  define ZD "%zd"
 #  define ZD_TYPE ssize_t
@@ -24,6 +26,9 @@
 
 #define NOISY(x) // x
 
+// Number of threads to use for preprocessing images.
+static const size_t MAX_THREADS = 4;
+
 // ==========================================================================
 // ==========================================================================
 // ==========================================================================
@@ -302,21 +307,52 @@ static status_t makeFileResources(Bundle* bundle, const sp<AaptAssets>& assets,
     return hasErrors ? UNKNOWN_ERROR : NO_ERROR;
 }
 
-static status_t preProcessImages(Bundle* bundle, const sp<AaptAssets>& assets,
+class PreProcessImageWorkUnit : public WorkQueue::WorkUnit {
+public:
+    PreProcessImageWorkUnit(const Bundle* bundle, const sp<AaptAssets>& assets,
+            const sp<AaptFile>& file, volatile bool* hasErrors) :
+            mBundle(bundle), mAssets(assets), mFile(file), mHasErrors(hasErrors) {
+    }
+
+    virtual bool run() {
+        status_t status = preProcessImage(mBundle, mAssets, mFile, NULL);
+        if (status) {
+            *mHasErrors = true;
+        }
+        return true; // continue even if there are errors
+    }
+
+private:
+    const Bundle* mBundle;
+    sp<AaptAssets> mAssets;
+    sp<AaptFile> mFile;
+    volatile bool* mHasErrors;
+};
+
+static status_t preProcessImages(const Bundle* bundle, const sp<AaptAssets>& assets,
                           const sp<ResourceTypeSet>& set, const char* type)
 {
-    bool hasErrors = false;
+    volatile bool hasErrors = false;
     ssize_t res = NO_ERROR;
     if (bundle->getUseCrunchCache() == false) {
+        WorkQueue wq(MAX_THREADS, false);
         ResourceDirIterator it(set, String8(type));
-        Vector<sp<AaptFile> > newNameFiles;
-        Vector<String8> newNamePaths;
         while ((res=it.next()) == NO_ERROR) {
-            res = preProcessImage(bundle, assets, it.getFile(), NULL);
-            if (res < NO_ERROR) {
+            PreProcessImageWorkUnit* w = new PreProcessImageWorkUnit(
+                    bundle, assets, it.getFile(), &hasErrors);
+            status_t status = wq.schedule(w);
+            if (status) {
+                fprintf(stderr, "preProcessImages failed: schedule() returned %d\n", status);
                 hasErrors = true;
+                delete w;
+                break;
             }
         }
+        status_t status = wq.finish();
+        if (status) {
+            fprintf(stderr, "preProcessImages failed: finish() returned %d\n", status);
+            hasErrors = true;
+        }
     }
     return (hasErrors || (res < NO_ERROR)) ? UNKNOWN_ERROR : NO_ERROR;
 }
@@ -1808,7 +1844,7 @@ static status_t writeSymbolClass(
         if (sym.typeCode != AaptSymbolEntry::TYPE_INT32) {
             continue;
         }
-        if (!includePrivate && !sym.isPublic) {
+        if (!assets->isJavaSymbol(sym, includePrivate)) {
             continue;
         }
         String16 name(sym.name);
@@ -1864,7 +1900,7 @@ static status_t writeSymbolClass(
         if (sym.typeCode != AaptSymbolEntry::TYPE_STRING) {
             continue;
         }
-        if (!includePrivate && !sym.isPublic) {
+        if (!assets->isJavaSymbol(sym, includePrivate)) {
             continue;
         }
         String16 name(sym.name);
@@ -1976,7 +2012,8 @@ status_t writeResourceSymbols(Bundle* bundle, const sp<AaptAssets>& assets,
         "\n"
         "package %s;\n\n", package.string());
 
-        status_t err = writeSymbolClass(fp, assets, includePrivate, symbols, className, 0, bundle->getNonConstantId());
+        status_t err = writeSymbolClass(fp, assets, includePrivate, symbols,
+                className, 0, bundle->getNonConstantId());
         if (err != NO_ERROR) {
             return err;
         }
@@ -2052,6 +2089,23 @@ addProguardKeepRule(ProguardKeepSet* keep, const String8& inClassName,
     keep->add(rule, location);
 }
 
+void
+addProguardKeepMethodRule(ProguardKeepSet* keep, const String8& memberName,
+        const char* pkg, const String8& srcName, int line)
+{
+    String8 rule("-keepclassmembers class * { *** ");
+    rule += memberName;
+    rule += "(...); }";
+
+    String8 location("onClick ");
+    location += srcName;
+    char lineno[20];
+    sprintf(lineno, ":%d", line);
+    location += lineno;
+
+    keep->add(rule, location);
+}
+
 status_t
 writeProguardForAndroidManifest(ProguardKeepSet* keep, const sp<AaptAssets>& assets)
 {
@@ -2214,6 +2268,13 @@ writeProguardForXml(ProguardKeepSet* keep, const sp<AaptFile>& layoutFile,
                 }
             }
         }
+        ssize_t attrIndex = tree.indexOfAttribute(RESOURCES_ANDROID_NAMESPACE, "onClick");
+        if (attrIndex >= 0) {
+            size_t len;
+            addProguardKeepMethodRule(keep,
+                                String8(tree.getAttributeStringValue(attrIndex, &len)), NULL,
+                                layoutFile->getPrintableSource(), tree.getLineNumber());
+        }
     }
 
     return NO_ERROR;
@@ -2252,6 +2313,9 @@ writeProguardForLayouts(ProguardKeepSet* keep, const sp<AaptAssets>& assets)
         } else if ((dirName == String8("xml")) || (strncmp(dirName.string(), "xml-", 4) == 0)) {
             startTag = "PreferenceScreen";
             tagAttrPairs = &kXmlTagAttrPairs;
+        } else if ((dirName == String8("menu")) || (strncmp(dirName.string(), "menu-", 5) == 0)) {
+            startTag = "menu";
+            tagAttrPairs = NULL;
         } else {
             continue;
         }