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// Copyright (c) 2006-2008 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "app/resource_bundle.h"
#import <Foundation/Foundation.h>
#include "app/gfx/font.h"
#include "app/l10n_util.h"
#include "base/base_paths.h"
#include "base/data_pack.h"
#include "base/file_path.h"
#include "base/file_util.h"
#include "base/logging.h"
#include "base/mac_util.h"
#include "base/path_service.h"
#include "base/string_piece.h"
#include "base/string_util.h"
#include "skia/ext/skia_utils_mac.h"
ResourceBundle::~ResourceBundle() {
FreeImages();
delete locale_resources_data_;
locale_resources_data_ = NULL;
delete theme_data_;
theme_data_ = NULL;
delete resources_data_;
resources_data_ = NULL;
}
namespace {
base::DataPack *LoadResourceDataPack(NSString *name) {
base::DataPack *resource_pack = NULL;
NSString *resource_path = [mac_util::MainAppBundle() pathForResource:name
ofType:@"pak"];
if (resource_path) {
FilePath resources_pak_path([resource_path fileSystemRepresentation]);
resource_pack = new base::DataPack;
bool success = resource_pack->Load(resources_pak_path);
if (!success) {
delete resource_pack;
resource_pack = NULL;
}
}
return resource_pack;
}
} // namespace
void ResourceBundle::LoadResources(const std::wstring& pref_locale) {
DLOG_IF(WARNING, pref_locale.size() != 0)
<< "ignoring requested locale in favor of NSBundle's selection";
DCHECK(resources_data_ == NULL) << "resource data already loaded!";
resources_data_ = LoadResourceDataPack(@"chrome");
DCHECK(resources_data_) << "failed to load chrome.pak";
DCHECK(locale_resources_data_ == NULL) << "locale data already loaded!";
locale_resources_data_ = LoadResourceDataPack(@"locale");
DCHECK(locale_resources_data_) << "failed to load locale.pak";
}
void ResourceBundle::LoadThemeResources() {
DCHECK(theme_data_ == NULL) << "theme data already loaded!";
theme_data_ = LoadResourceDataPack(@"theme");
DCHECK(theme_data_) << "failed to load theme.pak";
}
// static
RefCountedStaticMemory* ResourceBundle::LoadResourceBytes(
DataHandle module, int resource_id) {
DCHECK(module);
base::StringPiece bytes;
if (!module->Get(resource_id, &bytes))
return NULL;
return new RefCountedStaticMemory(
reinterpret_cast<const unsigned char*>(bytes.data()), bytes.length());
}
base::StringPiece ResourceBundle::GetRawDataResource(int resource_id) {
DCHECK(resources_data_);
base::StringPiece data;
if (!resources_data_->Get(resource_id, &data))
return base::StringPiece();
return data;
}
string16 ResourceBundle::GetLocalizedString(int message_id) {
// If for some reason we were unable to load a resource dll, return an empty
// string (better than crashing).
if (!locale_resources_data_) {
LOG(WARNING) << "locale resources are not loaded";
return string16();
}
base::StringPiece data;
if (!locale_resources_data_->Get(message_id, &data)) {
// Fall back on the main data pack (shouldn't be any strings here except in
// unittests).
data = GetRawDataResource(message_id);
if (data.empty()) {
NOTREACHED() << "unable to find resource: " << message_id;
return string16();
}
}
// Data pack encodes strings as UTF16.
string16 msg(reinterpret_cast<const char16*>(data.data()),
data.length() / 2);
return msg;
}
NSImage* ResourceBundle::GetNSImageNamed(int resource_id) {
// Currently this doesn't make a cache holding these as NSImages because
// GetBitmapNamed has a cache, and we don't want to double cache.
SkBitmap* bitmap = GetBitmapNamed(resource_id);
if (!bitmap)
return nil;
NSImage* nsimage = gfx::SkBitmapToNSImage(*bitmap);
return nsimage;
}
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