Adding upstream version 115.7.0esr.upstream/115.7.0esrupstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 684 insertions, 0 deletions

diff --git a/gfx/skia/patches/archive/0004-Bug-777614-Re-apply-bug-719872-Fix-crash-on-Android-.patch b/gfx/skia/patches/archive/0004-Bug-777614-Re-apply-bug-719872-Fix-crash-on-Android-.patch
new file mode 100644
index 0000000000..ad6e181274
--- /dev/null
+++ b/gfx/skia/patches/archive/0004-Bug-777614-Re-apply-bug-719872-Fix-crash-on-Android-.patch
@@ -0,0 +1,684 @@
+From 0d730a94e9f6676d5cde45f955fe025a4549817e Mon Sep 17 00:00:00 2001
+From: George Wright <gw@gwright.org.uk>
+Date: Thu, 23 Aug 2012 16:45:38 -0400
+Subject: [PATCH 4/9] Bug 777614 - Re-apply bug 719872 - Fix crash on Android
+ by reverting to older FontHost r=nrc
+
+---
+ gfx/skia/src/ports/SkFontHost_android_old.cpp | 664 ++++++++++++++++++++++++++
+ 1 file changed, 664 insertions(+)
+ create mode 100644 gfx/skia/src/ports/SkFontHost_android_old.cpp
+
+diff --git a/gfx/skia/src/ports/SkFontHost_android_old.cpp b/gfx/skia/src/ports/SkFontHost_android_old.cpp
+new file mode 100644
+index 0000000..b5c4f3c
+--- /dev/null
++++ b/gfx/skia/src/ports/SkFontHost_android_old.cpp
+@@ -0,0 +1,664 @@
++
++/*
++ * Copyright 2006 The Android Open Source Project
++ *
++ * Use of this source code is governed by a BSD-style license that can be
++ * found in the LICENSE file.
++ */
++
++
++#include "SkFontHost.h"
++#include "SkDescriptor.h"
++#include "SkMMapStream.h"
++#include "SkPaint.h"
++#include "SkString.h"
++#include "SkStream.h"
++#include "SkThread.h"
++#include "SkTSearch.h"
++#include <stdio.h>
++
++#define FONT_CACHE_MEMORY_BUDGET    (768 * 1024)
++
++#ifndef SK_FONT_FILE_PREFIX
++    #define SK_FONT_FILE_PREFIX          "/fonts/"
++#endif
++
++bool find_name_and_attributes(SkStream* stream, SkString* name, SkTypeface::Style* style,
++                                           bool* isFixedWidth);
++
++static void GetFullPathForSysFonts(SkString* full, const char name[]) {
++    full->set(getenv("ANDROID_ROOT"));
++    full->append(SK_FONT_FILE_PREFIX);
++    full->append(name);
++}
++
++///////////////////////////////////////////////////////////////////////////////
++
++struct FamilyRec;
++
++/*  This guy holds a mapping of a name -> family, used for looking up fonts.
++    Since it is stored in a stretchy array that doesn't preserve object
++    semantics, we don't use constructor/destructors, but just have explicit
++    helpers to manage our internal bookkeeping.
++*/
++struct NameFamilyPair {
++    const char* fName;      // we own this
++    FamilyRec*  fFamily;    // we don't own this, we just reference it
++
++    void construct(const char name[], FamilyRec* family) {
++        fName = strdup(name);
++        fFamily = family;   // we don't own this, so just record the referene
++    }
++
++    void destruct() {
++        free((char*)fName);
++        // we don't own family, so just ignore our reference
++    }
++};
++
++// we use atomic_inc to grow this for each typeface we create
++static int32_t gUniqueFontID;
++
++// this is the mutex that protects these globals
++static SkMutex gFamilyMutex;
++static FamilyRec* gFamilyHead;
++static SkTDArray<NameFamilyPair> gNameList;
++
++struct FamilyRec {
++    FamilyRec*  fNext;
++    SkTypeface* fFaces[4];
++
++    FamilyRec()
++    {
++        fNext = gFamilyHead;
++        memset(fFaces, 0, sizeof(fFaces));
++        gFamilyHead = this;
++    }
++};
++
++static SkTypeface* find_best_face(const FamilyRec* family,
++                                  SkTypeface::Style style) {
++    SkTypeface* const* faces = family->fFaces;
++
++    if (faces[style] != NULL) { // exact match
++        return faces[style];
++    }
++    // look for a matching bold
++    style = (SkTypeface::Style)(style ^ SkTypeface::kItalic);
++    if (faces[style] != NULL) {
++        return faces[style];
++    }
++    // look for the plain
++    if (faces[SkTypeface::kNormal] != NULL) {
++        return faces[SkTypeface::kNormal];
++    }
++    // look for anything
++    for (int i = 0; i < 4; i++) {
++        if (faces[i] != NULL) {
++            return faces[i];
++        }
++    }
++    // should never get here, since the faces list should not be empty
++    SkASSERT(!"faces list is empty");
++    return NULL;
++}
++
++static FamilyRec* find_family(const SkTypeface* member) {
++    FamilyRec* curr = gFamilyHead;
++    while (curr != NULL) {
++        for (int i = 0; i < 4; i++) {
++            if (curr->fFaces[i] == member) {
++                return curr;
++            }
++        }
++        curr = curr->fNext;
++    }
++    return NULL;
++}
++
++/*  Returns the matching typeface, or NULL. If a typeface is found, its refcnt
++    is not modified.
++ */
++static SkTypeface* find_from_uniqueID(uint32_t uniqueID) {
++    FamilyRec* curr = gFamilyHead;
++    while (curr != NULL) {
++        for (int i = 0; i < 4; i++) {
++            SkTypeface* face = curr->fFaces[i];
++            if (face != NULL && face->uniqueID() == uniqueID) {
++                return face;
++            }
++        }
++        curr = curr->fNext;
++    }
++    return NULL;
++}
++
++/*  Remove reference to this face from its family. If the resulting family
++    is empty (has no faces), return that family, otherwise return NULL
++*/
++static FamilyRec* remove_from_family(const SkTypeface* face) {
++    FamilyRec* family = find_family(face);
++    SkASSERT(family->fFaces[face->style()] == face);
++    family->fFaces[face->style()] = NULL;
++
++    for (int i = 0; i < 4; i++) {
++        if (family->fFaces[i] != NULL) {    // family is non-empty
++            return NULL;
++        }
++    }
++    return family;  // return the empty family
++}
++
++// maybe we should make FamilyRec be doubly-linked
++static void detach_and_delete_family(FamilyRec* family) {
++    FamilyRec* curr = gFamilyHead;
++    FamilyRec* prev = NULL;
++
++    while (curr != NULL) {
++        FamilyRec* next = curr->fNext;
++        if (curr == family) {
++            if (prev == NULL) {
++                gFamilyHead = next;
++            } else {
++                prev->fNext = next;
++            }
++            SkDELETE(family);
++            return;
++        }
++        prev = curr;
++        curr = next;
++    }
++    SkASSERT(!"Yikes, couldn't find family in our list to remove/delete");
++}
++
++static SkTypeface* find_typeface(const char name[], SkTypeface::Style style) {
++    NameFamilyPair* list = gNameList.begin();
++    int             count = gNameList.count();
++
++    int index = SkStrLCSearch(&list[0].fName, count, name, sizeof(list[0]));
++
++    if (index >= 0) {
++        return find_best_face(list[index].fFamily, style);
++    }
++    return NULL;
++}
++
++static SkTypeface* find_typeface(const SkTypeface* familyMember,
++                                 SkTypeface::Style style) {
++    const FamilyRec* family = find_family(familyMember);
++    return family ? find_best_face(family, style) : NULL;
++}
++
++static void add_name(const char name[], FamilyRec* family) {
++    SkAutoAsciiToLC tolc(name);
++    name = tolc.lc();
++
++    NameFamilyPair* list = gNameList.begin();
++    int             count = gNameList.count();
++
++    int index = SkStrLCSearch(&list[0].fName, count, name, sizeof(list[0]));
++
++    if (index < 0) {
++        list = gNameList.insert(~index);
++        list->construct(name, family);
++    }
++}
++
++static void remove_from_names(FamilyRec* emptyFamily)
++{
++#ifdef SK_DEBUG
++    for (int i = 0; i < 4; i++) {
++        SkASSERT(emptyFamily->fFaces[i] == NULL);
++    }
++#endif
++
++    SkTDArray<NameFamilyPair>& list = gNameList;
++
++    // must go backwards when removing
++    for (int i = list.count() - 1; i >= 0; --i) {
++        NameFamilyPair* pair = &list[i];
++        if (pair->fFamily == emptyFamily) {
++            pair->destruct();
++            list.remove(i);
++        }
++    }
++}
++
++///////////////////////////////////////////////////////////////////////////////
++
++class FamilyTypeface : public SkTypeface {
++public:
++    FamilyTypeface(Style style, bool sysFont, SkTypeface* familyMember,
++                   bool isFixedWidth)
++    : SkTypeface(style, sk_atomic_inc(&gUniqueFontID) + 1, isFixedWidth) {
++        fIsSysFont = sysFont;
++
++        SkAutoMutexAcquire  ac(gFamilyMutex);
++
++        FamilyRec* rec = NULL;
++        if (familyMember) {
++            rec = find_family(familyMember);
++            SkASSERT(rec);
++        } else {
++            rec = SkNEW(FamilyRec);
++        }
++        rec->fFaces[style] = this;
++    }
++
++    virtual ~FamilyTypeface() {
++        SkAutoMutexAcquire  ac(gFamilyMutex);
++
++        // remove us from our family. If the family is now empty, we return
++        // that and then remove that family from the name list
++        FamilyRec* family = remove_from_family(this);
++        if (NULL != family) {
++            remove_from_names(family);
++            detach_and_delete_family(family);
++        }
++    }
++
++    bool isSysFont() const { return fIsSysFont; }
++
++    virtual SkStream* openStream() = 0;
++    virtual const char* getUniqueString() const = 0;
++    virtual const char* getFilePath() const = 0;
++
++private:
++    bool    fIsSysFont;
++
++    typedef SkTypeface INHERITED;
++};
++
++///////////////////////////////////////////////////////////////////////////////
++
++class StreamTypeface : public FamilyTypeface {
++public:
++    StreamTypeface(Style style, bool sysFont, SkTypeface* familyMember,
++                   SkStream* stream, bool isFixedWidth)
++    : INHERITED(style, sysFont, familyMember, isFixedWidth) {
++        SkASSERT(stream);
++        stream->ref();
++        fStream = stream;
++    }
++    virtual ~StreamTypeface() {
++        fStream->unref();
++    }
++
++    // overrides
++    virtual SkStream* openStream() {
++        // we just ref our existing stream, since the caller will call unref()
++        // when they are through
++        fStream->ref();
++        // must rewind each time, since the caller assumes a "new" stream
++        fStream->rewind();
++        return fStream;
++    }
++    virtual const char* getUniqueString() const { return NULL; }
++    virtual const char* getFilePath() const { return NULL; }
++
++private:
++    SkStream* fStream;
++
++    typedef FamilyTypeface INHERITED;
++};
++
++class FileTypeface : public FamilyTypeface {
++public:
++    FileTypeface(Style style, bool sysFont, SkTypeface* familyMember,
++                 const char path[], bool isFixedWidth)
++    : INHERITED(style, sysFont, familyMember, isFixedWidth) {
++        SkString fullpath;
++
++        if (sysFont) {
++            GetFullPathForSysFonts(&fullpath, path);
++            path = fullpath.c_str();
++        }
++        fPath.set(path);
++    }
++
++    // overrides
++    virtual SkStream* openStream() {
++        SkStream* stream = SkNEW_ARGS(SkMMAPStream, (fPath.c_str()));
++
++        // check for failure
++        if (stream->getLength() <= 0) {
++            SkDELETE(stream);
++            // maybe MMAP isn't supported. try FILE
++            stream = SkNEW_ARGS(SkFILEStream, (fPath.c_str()));
++            if (stream->getLength() <= 0) {
++                SkDELETE(stream);
++                stream = NULL;
++            }
++        }
++        return stream;
++    }
++    virtual const char* getUniqueString() const {
++        const char* str = strrchr(fPath.c_str(), '/');
++        if (str) {
++            str += 1;   // skip the '/'
++        }
++        return str;
++    }
++    virtual const char* getFilePath() const {
++        return fPath.c_str();
++    }
++
++private:
++    SkString fPath;
++
++    typedef FamilyTypeface INHERITED;
++};
++
++///////////////////////////////////////////////////////////////////////////////
++///////////////////////////////////////////////////////////////////////////////
++
++static bool get_name_and_style(const char path[], SkString* name,
++                               SkTypeface::Style* style,
++                               bool* isFixedWidth, bool isExpected) {
++    SkString        fullpath;
++    GetFullPathForSysFonts(&fullpath, path);
++
++    SkMMAPStream stream(fullpath.c_str());
++    if (stream.getLength() > 0) {
++        find_name_and_attributes(&stream, name, style, isFixedWidth);
++        return true;
++    }
++    else {
++        SkFILEStream stream(fullpath.c_str());
++        if (stream.getLength() > 0) {
++            find_name_and_attributes(&stream, name, style, isFixedWidth);
++            return true;
++        }
++    }
++
++    if (isExpected) {
++        SkDebugf("---- failed to open <%s> as a font\n", fullpath.c_str());
++    }
++    return false;
++}
++
++// used to record our notion of the pre-existing fonts
++struct FontInitRec {
++    const char*         fFileName;
++    const char* const*  fNames;     // null-terminated list
++};
++
++static const char* gSansNames[] = {
++    "sans-serif", "arial", "helvetica", "tahoma", "verdana", NULL
++};
++
++static const char* gSerifNames[] = {
++    "serif", "times", "times new roman", "palatino", "georgia", "baskerville",
++    "goudy", "fantasy", "cursive", "ITC Stone Serif", NULL
++};
++
++static const char* gMonoNames[] = {
++    "monospace", "courier", "courier new", "monaco", NULL
++};
++
++// deliberately empty, but we use the address to identify fallback fonts
++static const char* gFBNames[] = { NULL };
++
++/*  Fonts must be grouped by family, with the first font in a family having the
++    list of names (even if that list is empty), and the following members having
++    null for the list. The names list must be NULL-terminated
++*/
++static const FontInitRec gSystemFonts[] = {
++    { "DroidSans.ttf",              gSansNames  },
++    { "DroidSans-Bold.ttf",         NULL        },
++    { "DroidSerif-Regular.ttf",     gSerifNames },
++    { "DroidSerif-Bold.ttf",        NULL        },
++    { "DroidSerif-Italic.ttf",      NULL        },
++    { "DroidSerif-BoldItalic.ttf",  NULL        },
++    { "DroidSansMono.ttf",          gMonoNames  },
++    /*  These are optional, and can be ignored if not found in the file system.
++        These are appended to gFallbackFonts[] as they are seen, so we list
++        them in the order we want them to be accessed by NextLogicalFont().
++     */
++    { "DroidSansArabic.ttf",        gFBNames    },
++    { "DroidSansHebrew.ttf",        gFBNames    },
++    { "DroidSansThai.ttf",          gFBNames    },
++    { "MTLmr3m.ttf",                gFBNames    }, // Motoya Japanese Font
++    { "MTLc3m.ttf",                 gFBNames    }, // Motoya Japanese Font
++    { "DroidSansJapanese.ttf",      gFBNames    },
++    { "DroidSansFallback.ttf",      gFBNames    }
++};
++
++#define DEFAULT_NAMES   gSansNames
++
++// these globals are assigned (once) by load_system_fonts()
++static FamilyRec* gDefaultFamily;
++static SkTypeface* gDefaultNormal;
++
++/*  This is sized conservatively, assuming that it will never be a size issue.
++    It will be initialized in load_system_fonts(), and will be filled with the
++    fontIDs that can be used for fallback consideration, in sorted order (sorted
++    meaning element[0] should be used first, then element[1], etc. When we hit
++    a fontID==0 in the array, the list is done, hence our allocation size is
++    +1 the total number of possible system fonts. Also see NextLogicalFont().
++ */
++static uint32_t gFallbackFonts[SK_ARRAY_COUNT(gSystemFonts)+1];
++
++/*  Called once (ensured by the sentinel check at the beginning of our body).
++    Initializes all the globals, and register the system fonts.
++ */
++static void load_system_fonts() {
++    // check if we've already be called
++    if (NULL != gDefaultNormal) {
++        return;
++    }
++
++    const FontInitRec* rec = gSystemFonts;
++    SkTypeface* firstInFamily = NULL;
++    int fallbackCount = 0;
++
++    for (size_t i = 0; i < SK_ARRAY_COUNT(gSystemFonts); i++) {
++        // if we're the first in a new family, clear firstInFamily
++        if (rec[i].fNames != NULL) {
++            firstInFamily = NULL;
++        }
++
++        bool isFixedWidth;
++        SkString name;
++        SkTypeface::Style style;
++
++        // we expect all the fonts, except the "fallback" fonts
++        bool isExpected = (rec[i].fNames != gFBNames);
++        if (!get_name_and_style(rec[i].fFileName, &name, &style,
++                                &isFixedWidth, isExpected)) {
++            continue;
++        }
++
++        SkTypeface* tf = SkNEW_ARGS(FileTypeface,
++                                    (style,
++                                     true,  // system-font (cannot delete)
++                                     firstInFamily, // what family to join
++                                     rec[i].fFileName,
++                                     isFixedWidth) // filename
++                                    );
++
++        if (rec[i].fNames != NULL) {
++            // see if this is one of our fallback fonts
++            if (rec[i].fNames == gFBNames) {
++            //    SkDebugf("---- adding %s as fallback[%d] fontID %d\n",
++            //             rec[i].fFileName, fallbackCount, tf->uniqueID());
++                gFallbackFonts[fallbackCount++] = tf->uniqueID();
++            }
++
++            firstInFamily = tf;
++            FamilyRec* family = find_family(tf);
++            const char* const* names = rec[i].fNames;
++
++            // record the default family if this is it
++            if (names == DEFAULT_NAMES) {
++                gDefaultFamily = family;
++            }
++            // add the names to map to this family
++            while (*names) {
++                add_name(*names, family);
++                names += 1;
++            }
++        }
++    }
++
++    // do this after all fonts are loaded. This is our default font, and it
++    // acts as a sentinel so we only execute load_system_fonts() once
++    gDefaultNormal = find_best_face(gDefaultFamily, SkTypeface::kNormal);
++    // now terminate our fallback list with the sentinel value
++    gFallbackFonts[fallbackCount] = 0;
++}
++
++///////////////////////////////////////////////////////////////////////////////
++
++void SkFontHost::Serialize(const SkTypeface* face, SkWStream* stream) {
++    const char* name = ((FamilyTypeface*)face)->getUniqueString();
++
++    stream->write8((uint8_t)face->style());
++
++    if (NULL == name || 0 == *name) {
++        stream->writePackedUInt(0);
++//        SkDebugf("--- fonthost serialize null\n");
++    } else {
++        uint32_t len = strlen(name);
++        stream->writePackedUInt(len);
++        stream->write(name, len);
++//      SkDebugf("--- fonthost serialize <%s> %d\n", name, face->style());
++    }
++}
++
++SkTypeface* SkFontHost::Deserialize(SkStream* stream) {
++    load_system_fonts();
++
++    int style = stream->readU8();
++
++    int len = stream->readPackedUInt();
++    if (len > 0) {
++        SkString str;
++        str.resize(len);
++        stream->read(str.writable_str(), len);
++
++        const FontInitRec* rec = gSystemFonts;
++        for (size_t i = 0; i < SK_ARRAY_COUNT(gSystemFonts); i++) {
++            if (strcmp(rec[i].fFileName, str.c_str()) == 0) {
++                // backup until we hit the fNames
++                for (int j = i; j >= 0; --j) {
++                    if (rec[j].fNames != NULL) {
++                        return SkFontHost::CreateTypeface(NULL,
++                                    rec[j].fNames[0], (SkTypeface::Style)style);
++                    }
++                }
++            }
++        }
++    }
++    return NULL;
++}
++
++///////////////////////////////////////////////////////////////////////////////
++
++SkTypeface* SkFontHost::CreateTypeface(const SkTypeface* familyFace,
++                                       const char familyName[],
++                                       SkTypeface::Style style) {
++    load_system_fonts();
++
++    SkAutoMutexAcquire  ac(gFamilyMutex);
++
++    // clip to legal style bits
++    style = (SkTypeface::Style)(style & SkTypeface::kBoldItalic);
++
++    SkTypeface* tf = NULL;
++
++    if (NULL != familyFace) {
++        tf = find_typeface(familyFace, style);
++    } else if (NULL != familyName) {
++//        SkDebugf("======= familyName <%s>\n", familyName);
++        tf = find_typeface(familyName, style);
++    }
++
++    if (NULL == tf) {
++        tf = find_best_face(gDefaultFamily, style);
++    }
++
++    // we ref(), since the symantic is to return a new instance
++    tf->ref();
++    return tf;
++}
++
++SkStream* SkFontHost::OpenStream(uint32_t fontID) {
++    SkAutoMutexAcquire  ac(gFamilyMutex);
++
++    FamilyTypeface* tf = (FamilyTypeface*)find_from_uniqueID(fontID);
++    SkStream* stream = tf ? tf->openStream() : NULL;
++
++    if (stream && stream->getLength() == 0) {
++        stream->unref();
++        stream = NULL;
++    }
++    return stream;
++}
++
++size_t SkFontHost::GetFileName(SkFontID fontID, char path[], size_t length,
++                               int32_t* index) {
++    SkAutoMutexAcquire  ac(gFamilyMutex);
++
++    FamilyTypeface* tf = (FamilyTypeface*)find_from_uniqueID(fontID);
++    const char* src = tf ? tf->getFilePath() : NULL;
++
++    if (src) {
++        size_t size = strlen(src);
++        if (path) {
++            memcpy(path, src, SkMin32(size, length));
++        }
++        if (index) {
++            *index = 0; // we don't have collections (yet)
++        }
++        return size;
++    } else {
++        return 0;
++    }
++}
++
++SkFontID SkFontHost::NextLogicalFont(SkFontID currFontID, SkFontID origFontID) {
++    load_system_fonts();
++
++    /*  First see if fontID is already one of our fallbacks. If so, return
++        its successor. If fontID is not in our list, then return the first one
++        in our list. Note: list is zero-terminated, and returning zero means
++        we have no more fonts to use for fallbacks.
++     */
++    const uint32_t* list = gFallbackFonts;
++    for (int i = 0; list[i] != 0; i++) {
++        if (list[i] == currFontID) {
++            return list[i+1];
++        }
++    }
++    return list[0];
++}
++
++///////////////////////////////////////////////////////////////////////////////
++
++SkTypeface* SkFontHost::CreateTypefaceFromStream(SkStream* stream) {
++    if (NULL == stream || stream->getLength() <= 0) {
++        return NULL;
++    }
++
++    bool isFixedWidth;
++    SkString name;
++    SkTypeface::Style style;
++    find_name_and_attributes(stream, &name, &style, &isFixedWidth);
++
++    if (!name.isEmpty()) {
++        return SkNEW_ARGS(StreamTypeface, (style, false, NULL, stream, isFixedWidth));
++    } else {
++        return NULL;
++    }
++}
++
++SkTypeface* SkFontHost::CreateTypefaceFromFile(const char path[]) {
++    SkStream* stream = SkNEW_ARGS(SkMMAPStream, (path));
++    SkTypeface* face = SkFontHost::CreateTypefaceFromStream(stream);
++    // since we created the stream, we let go of our ref() here
++    stream->unref();
++    return face;
++}
++
++///////////////////////////////////////////////////////////////////////////////
+-- 
+1.7.11.4
+