[app] Add support for loading books from compressed files

app/app.pro

@@ -109,6 +109,7 @@ SOURCES += \
   src/BooksTextStyle.cpp \
   src/BooksTaskQueue.cpp \
   src/BooksTextView.cpp \
+  src/BooksUtil.cpp \
   src/main.cpp \
   src/ZLApplication.cpp \
   src/ZLibrary.cpp
@@ -144,4 +145,5 @@ HEADERS += \
   src/BooksTaskQueue.h \
   src/BooksTextView.h \
   src/BooksTextStyle.h \
-  src/BooksTypes.h
+  src/BooksTypes.h \
+  src/BooksUtil.h

app/src/BooksBook.cpp

@@ -304,7 +304,7 @@ BooksBook::BooksBook(const BooksStorage& aStorage, shared_ptr<Book> aBook) :
     init();
     HASSERT(!iBook.isNull());
     iTitle = QString::fromStdString(iBook->title());
-    iPath = QString::fromStdString(iBook->file().path());
+    iPath = QString::fromStdString(iBook->file().physicalFilePath());
     iFileName = QString::fromStdString(iBook->file().name(false));
     iFormatPlugin = PluginCollection::Instance().plugin(*iBook);
     AuthorList authors(iBook->authors());

app/src/BooksImportModel.cpp

@@ -34,6 +34,7 @@
 #include "BooksImportModel.h"
 #include "BooksStorage.h"
 #include "BooksTask.h"
+#include "BooksUtil.h"
 
 #include "HarbourDebug.h"
 
@@ -201,8 +202,7 @@ void BooksImportModel::Task::scanDir(QDir aDir)
             QFileInfo fileInfo(fileList.at(i));
             QString filePath(fileInfo.canonicalFilePath());
             std::string path(filePath.toStdString());
-            ZLFile file(path);
-            shared_ptr<Book> book = Book::loadFromFile(file);
+            shared_ptr<Book> book = BooksUtil::bookFromFile(path);
             if (!book.isNull()) {
                 if (!isDuplicate(filePath, iDestFiles) &&
                     !isDuplicate(filePath, iSrcFiles)) {

app/src/BooksSettings.cpp

@@ -35,6 +35,8 @@
 #include "BooksTextStyle.h"
 #include "BooksBook.h"
 #include "BooksDefs.h"
+#include "BooksUtil.h"
+
 #include "HarbourDebug.h"
 
 #include <MGConfItem>
@@ -292,8 +294,7 @@ BooksSettings::updateCurrentBook()
             return true;
         }
     } else if (!iCurrentBook || iCurrentBook->path() != path) {
-        ZLFile file(path.toStdString());
-        shared_ptr<Book> book = Book::loadFromFile(file);
+        shared_ptr<Book> book = BooksUtil::bookFromFile(path);
         if (!book.isNull()) {
             QFileInfo info(path);
             BooksStorageManager* mgr = BooksStorageManager::instance();

app/src/BooksShelf.cpp

@@ -34,6 +34,7 @@
 #include "BooksShelf.h"
 #include "BooksDefs.h"
 #include "BooksBook.h"
+#include "BooksUtil.h"
 
 #include "HarbourJson.h"
 #include "HarbourDebug.h"
@@ -175,8 +176,7 @@ void BooksShelf::LoadTask::performTask()
         const int n = list.count();
         for (int i=0; i<n && !isCanceled(); i++) {
             std::string path(list.at(i).filePath().toStdString());
-            ZLFile file(path);
-            shared_ptr<Book> book = Book::loadFromFile(file);
+            shared_ptr<Book> book = BooksUtil::bookFromFile(path);
             if (!book.isNull()) {
                 BooksBook* newBook = new BooksBook(iStorage, book);
                 newBook->moveToThread(thread());
@@ -988,15 +988,14 @@ void BooksShelf::onCopyTaskDone()
         if (src) {
             src->retain();
             if (task->iSuccess) {
-                ZLFile file(task->iDest.toStdString());
-                shared_ptr<Book> book = Book::loadFromFile(file);
+                shared_ptr<Book> book = BooksUtil::bookFromFile(task->iDest);
                 if (!book.isNull()) {
                     copy = new BooksBook(iStorage, book);
                     copy->setLastPos(src->lastPos());
                     copy->setCoverImage(src->coverImage());
                     copy->requestCoverImage();
                 } else {
-                    HWARN("can't open copied book:" << file.path().c_str());
+                    HWARN("can't open copied book" << qPrintable(task->iDest));
                 }
             }
         }

app/src/BooksUtil.cpp

@@ -0,0 +1,79 @@
+/*
+ * Copyright (C) 2015 Jolla Ltd.
+ * Contact: Slava Monich <slava.monich@jolla.com>
+ *
+ * You may use this file under the terms of the BSD license as follows:
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ *   * Redistributions of source code must retain the above copyright
+ *     notice, this list of conditions and the following disclaimer.
+ *   * Redistributions in binary form must reproduce the above copyright
+ *     notice, this list of conditions and the following disclaimer in
+ *     the documentation and/or other materials provided with the
+ *     distribution.
+ *   * Neither the name of Nemo Mobile nor the names of its contributors
+ *     may be used to endorse or promote products derived from this
+ *     software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#include "BooksUtil.h"
+#include "HarbourDebug.h"
+
+#include "ZLDir.h"
+#include "formats/FormatPlugin.h"
+
+#include <queue>
+
+shared_ptr<Book> BooksUtil::bookFromFile(std::string aPath)
+{
+    shared_ptr<Book> book;
+    const ZLFile file(aPath);
+    PluginCollection& plugins = PluginCollection::Instance();
+    shared_ptr<FormatPlugin> plugin = plugins.plugin(file, false);
+    if (!plugin.isNull()) {
+        std::string error = plugin->tryOpen(file);
+        if (error.empty()) {
+            book = Book::loadFromFile(file);
+        } else {
+            HWARN(error.c_str());
+        }
+    } else if (file.isArchive()) {
+        std::queue<std::string> archiveNames;
+        std::vector<std::string> items;
+        archiveNames.push(aPath);
+        while (!archiveNames.empty() && book.isNull()) {
+            shared_ptr<ZLDir> dir = ZLFile(archiveNames.front()).directory();
+            archiveNames.pop();
+            if (!dir.isNull()) {
+                dir->collectFiles(items, true);
+                for (std::vector<std::string>::const_iterator it = items.begin();
+                     book.isNull() && it != items.end(); ++it) {
+                    const std::string itemName = dir->itemPath(*it);
+                    ZLFile subFile(itemName);
+                    if (subFile.isArchive()) {
+                        archiveNames.push(itemName);
+                    } else {
+                        book = Book::loadFromFile(subFile);
+                    }
+                }
+                items.clear();
+            }
+        }
+    }
+    return book;
+}

app/src/BooksUtil.h

@@ -0,0 +1,51 @@
+/*
+ * Copyright (C) 2015 Jolla Ltd.
+ * Contact: Slava Monich <slava.monich@jolla.com>
+ *
+ * You may use this file under the terms of the BSD license as follows:
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ *   * Redistributions of source code must retain the above copyright
+ *     notice, this list of conditions and the following disclaimer.
+ *   * Redistributions in binary form must reproduce the above copyright
+ *     notice, this list of conditions and the following disclaimer in
+ *     the documentation and/or other materials provided with the
+ *     distribution.
+ *   * Neither the name of Nemo Mobile nor the names of its contributors
+ *     may be used to endorse or promote products derived from this
+ *     software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#ifndef BOOKS_UTIL_H
+#define BOOKS_UTIL_H
+
+#include "BooksTypes.h"
+
+#include "library/Book.h"
+
+#include <QString>
+
+namespace BooksUtil {
+    shared_ptr<Book> bookFromFile(std::string aPath);
+    shared_ptr<Book> bookFromFile(QString aPath);
+}
+
+inline shared_ptr<Book> BooksUtil::bookFromFile(QString aPath)
+    { return BooksUtil::bookFromFile(aPath.toStdString()); }
+
+#endif // BOOKS_UTIL_H