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Diffstat (limited to 'src/core/resource_bundle_qt.cpp')
| -rw-r--r-- | src/core/resource_bundle_qt.cpp | 170 |
1 files changed, 170 insertions, 0 deletions
diff --git a/src/core/resource_bundle_qt.cpp b/src/core/resource_bundle_qt.cpp new file mode 100644 index 000000000..044d00511 --- /dev/null +++ b/src/core/resource_bundle_qt.cpp @@ -0,0 +1,170 @@ +/**************************************************************************** +** +** Copyright (C) 2013 Digia Plc and/or its subsidiary(-ies). +** Contact: http://www.qt-project.org/legal +** +** This file is part of the QtWebEngine module of the Qt Toolkit. +** +** $QT_BEGIN_LICENSE:LGPL$ +** Commercial License Usage +** Licensees holding valid commercial Qt licenses may use this file in +** accordance with the commercial license agreement provided with the +** Software or, alternatively, in accordance with the terms contained in +** a written agreement between you and Digia. For licensing terms and +** conditions see http://qt.digia.com/licensing. For further information +** use the contact form at http://qt.digia.com/contact-us. +** +** GNU Lesser General Public License Usage +** Alternatively, this file may be used under the terms of the GNU Lesser +** General Public License version 2.1 as published by the Free Software +** Foundation and appearing in the file LICENSE.LGPL included in the +** packaging of this file. Please review the following information to +** ensure the GNU Lesser General Public License version 2.1 requirements +** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html. +** +** In addition, as a special exception, Digia gives you certain additional +** rights. These rights are described in the Digia Qt LGPL Exception +** version 1.1, included in the file LGPL_EXCEPTION.txt in this package. +** +** GNU General Public License Usage +** Alternatively, this file may be used under the terms of the GNU +** General Public License version 3.0 as published by the Free Software +** Foundation and appearing in the file LICENSE.GPL included in the +** packaging of this file. Please review the following information to +** ensure the GNU General Public License version 3.0 requirements will be +** met: http://www.gnu.org/copyleft/gpl.html. +** +** +** $QT_END_LICENSE$ +** +****************************************************************************/ + +#include "ui/base/resource/resource_bundle.h" +#include "ui/base/resource/data_pack.h" + +#include <QFile> +#include <QStringList> + +namespace ui { + +// ********************* data_pack.cc ********************* +// This is duplicated code originating from data_pack.cc. +// It should instead be moved to a header file and be included +// in both places. + +static const uint32 kFileFormatVersion = 4; +static const size_t kHeaderLength = 2 * sizeof(uint32) + sizeof(uint8); + +#pragma pack(push,2) +struct DataPackEntry { + uint16 resource_id; + uint32 file_offset; + + static int CompareById(const void* void_key, const void* void_entry) { + uint16 key = *reinterpret_cast<const uint16*>(void_key); + const DataPackEntry* entry = + reinterpret_cast<const DataPackEntry*>(void_entry); + if (key < entry->resource_id) { + return -1; + } else if (key > entry->resource_id) { + return 1; + } else { + return 0; + } + } +}; +#pragma pack(pop) +// ******************* data_pack.cc end ******************* + +class UI_EXPORT DataPackQt : public DataPack { + public: + DataPackQt(ui::ScaleFactor scale_factor) + : DataPack(scale_factor) + , m_data(NULL) + , m_resourceCount(0) { } + + virtual ~DataPackQt() { } + + bool LoadFromByteArray(const QByteArray& data) + { + m_data = data; + + if (kHeaderLength > static_cast<size_t>(m_data.size())) + return false; + + const uint32* ptr = reinterpret_cast<const uint32*>(m_data.data()); + uint32 version = ptr[0]; + if (version != kFileFormatVersion) { + LOG(ERROR) << "Bad data pack version: got " << version << ", expected " << kFileFormatVersion; + return false; + } + + m_resourceCount = ptr[1]; + return true; + } + + virtual bool HasResource(uint16 resource_id) const OVERRIDE + { + return !!bsearch(&resource_id, m_data.data() + kHeaderLength, m_resourceCount, sizeof(DataPackEntry), DataPackEntry::CompareById); + } + + virtual bool GetStringPiece(uint16 resource_id, base::StringPiece* data) const OVERRIDE + { + #if defined(__BYTE_ORDER) // Linux check + COMPILE_ASSERT(__BYTE_ORDER == __LITTLE_ENDIAN, datapack_assumes_little_endian); + #elif defined(__BIG_ENDIAN__) // Mac check + #error DataPack assumes little endian + #endif + + const DataPackEntry* target = reinterpret_cast<const DataPackEntry*>(bsearch(&resource_id, m_data.data() + kHeaderLength, m_resourceCount, sizeof(DataPackEntry), DataPackEntry::CompareById)); + if (!target) + return false; + + const DataPackEntry* next_entry = target + 1; + size_t length = next_entry->file_offset - target->file_offset; + + data->set(m_data.data() + target->file_offset, length); + return true; + } + + private: + QByteArray m_data; + size_t m_resourceCount; + DISALLOW_COPY_AND_ASSIGN(DataPackQt); +}; + + +void ResourceBundle::LoadCommonResources() +{ + QStringList resources; + resources << ":/data/resources.pak" << ":/data/devtools.pak"; + Q_FOREACH (const QString& pak, resources) { + QFile pak_file(pak); + if (!pak_file.open(QIODevice::ReadOnly)) { + qWarning("Resource file %s not loaded", qPrintable(pak)); + continue; + } + + scoped_ptr<DataPackQt> data_pack(new DataPackQt(SCALE_FACTOR_100P)); + if (data_pack->LoadFromByteArray(pak_file.readAll())) + AddDataPack(data_pack.release()); + } +} + +// As GetLocaleFilePath is excluded for Mac in resource_bundle.cc, +// we have to add a replacement for it using the inverted logic. +#if defined(OS_MACOSX) +base::FilePath ResourceBundle::GetLocaleFilePath(const std::string& /*app_locale*/, bool /*test_file_exists*/) +{ + return base::FilePath(); +} +#endif + +gfx::Image& ResourceBundle::GetNativeImageNamed(int resource_id, ImageRTL rtl) +{ + LOG(WARNING) << "Unable to load image with id " << resource_id; + NOTREACHED(); // Want to assert in debug mode. + return GetEmptyImage(); +} + +} // namespace ui |