Adds toplevel app/ directory and moves ResourceBundle into it.

No changes to resource bundle yet, just the move to keep this CL as compact as possible.
Adds new vcproj and gyp file for app dir.

http://crbug.com/11387

Review URL: http://codereview.chromium.org/100354

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@15264 0039d316-1c4b-4281-b951-d872f2087c98

1 files changed, 205 insertions, 0 deletions

diff --git a/app/resource_bundle.cc b/app/resource_bundle.cc
new file mode 100644
index 0000000..5b3c034
--- /dev/null
+++ b/app/resource_bundle.cc
@@ -0,0 +1,205 @@
+// Copyright (c) 2006-2009 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"
+
+#include "base/gfx/png_decoder.h"
+#include "base/logging.h"
+#include "base/string_piece.h"
+#include "net/base/file_stream.h"
+#include "net/base/net_errors.h"
+#include "chrome/common/gfx/chrome_font.h"
+#include "SkBitmap.h"
+
+ResourceBundle* ResourceBundle::g_shared_instance_ = NULL;
+
+/* static */
+void ResourceBundle::InitSharedInstance(const std::wstring& pref_locale) {
+  DCHECK(g_shared_instance_ == NULL) << "ResourceBundle initialized twice";
+  g_shared_instance_ = new ResourceBundle();
+
+  g_shared_instance_->LoadResources(pref_locale);
+}
+
+/* static */
+void ResourceBundle::CleanupSharedInstance() {
+  if (g_shared_instance_) {
+    delete g_shared_instance_;
+    g_shared_instance_ = NULL;
+  }
+}
+
+/* static */
+ResourceBundle& ResourceBundle::GetSharedInstance() {
+  // Must call InitSharedInstance before this function.
+  CHECK(g_shared_instance_ != NULL);
+  return *g_shared_instance_;
+}
+
+ResourceBundle::ResourceBundle()
+    : resources_data_(NULL),
+      locale_resources_data_(NULL),
+      theme_data_(NULL) {
+}
+
+void ResourceBundle::FreeImages() {
+  for (SkImageMap::iterator i = skia_images_.begin();
+       i != skia_images_.end(); i++) {
+    delete i->second;
+  }
+  skia_images_.clear();
+}
+
+void ResourceBundle::SetThemeExtension(const Extension& e) {
+  theme_extension_.reset(new Extension(e));
+}
+
+/* static */
+SkBitmap* ResourceBundle::LoadBitmap(DataHandle data_handle, int resource_id) {
+  std::vector<unsigned char> raw_data, png_data;
+  bool success = false;
+  // First check to see if we have a registered theme extension and whether
+  // it can handle this resource.
+  // TODO(erikkay): It would be nice to use something less brittle than
+  // resource_id here.
+  if (g_shared_instance_->theme_extension_.get()) {
+    FilePath path =
+        g_shared_instance_->theme_extension_->GetThemeResourcePath(resource_id);
+    if (!path.empty()) {
+      net::FileStream file;
+      int flags = base::PLATFORM_FILE_OPEN | base::PLATFORM_FILE_READ;
+      if (file.Open(path, flags) == net::OK) {
+        int64 avail = file.Available();
+        if (avail > 0 && avail < INT_MAX) {
+          size_t size = static_cast<size_t>(avail);
+          raw_data.resize(size);
+          char* data = reinterpret_cast<char*>(&(raw_data.front()));
+          if (file.ReadUntilComplete(data, size) == avail) {
+            success= true;
+          } else {
+            raw_data.resize(0);
+          }
+        }
+      }
+    }
+  }
+  if (!success)
+    success = LoadResourceBytes(data_handle, resource_id, &raw_data);
+  if (!success)
+    return NULL;
+
+  // Decode the PNG.
+  int image_width;
+  int image_height;
+  if (!PNGDecoder::Decode(&raw_data.front(), raw_data.size(),
+                          PNGDecoder::FORMAT_BGRA,
+                          &png_data, &image_width, &image_height)) {
+    NOTREACHED() << "Unable to decode image resource " << resource_id;
+    return NULL;
+  }
+
+  return PNGDecoder::CreateSkBitmapFromBGRAFormat(png_data,
+                                                  image_width,
+                                                  image_height);
+}
+
+std::string ResourceBundle::GetDataResource(int resource_id) {
+  return GetRawDataResource(resource_id).as_string();
+}
+
+bool ResourceBundle::LoadImageResourceBytes(int resource_id,
+                                            std::vector<unsigned char>* bytes) {
+  return LoadResourceBytes(theme_data_, resource_id, bytes);
+}
+
+bool ResourceBundle::LoadDataResourceBytes(int resource_id,
+                                           std::vector<unsigned char>* bytes) {
+  return LoadResourceBytes(resources_data_, resource_id, bytes);
+}
+
+SkBitmap* ResourceBundle::GetBitmapNamed(int resource_id) {
+  // Check to see if we already have the Skia image in the cache.
+  {
+    AutoLock lock_scope(lock_);
+    SkImageMap::const_iterator found = skia_images_.find(resource_id);
+    if (found != skia_images_.end())
+      return found->second;
+  }
+
+  scoped_ptr<SkBitmap> bitmap;
+
+  if (theme_data_)
+    bitmap.reset(LoadBitmap(theme_data_, resource_id));
+
+  // If we did not find the bitmap in the theme DLL, try the current one.
+  if (!bitmap.get())
+    bitmap.reset(LoadBitmap(resources_data_, resource_id));
+
+  // We loaded successfully.  Cache the Skia version of the bitmap.
+  if (bitmap.get()) {
+    AutoLock lock_scope(lock_);
+
+    // Another thread raced us, and has already cached the skia image.
+    if (skia_images_.count(resource_id))
+      return skia_images_[resource_id];
+
+    skia_images_[resource_id] = bitmap.get();
+    return bitmap.release();
+  }
+
+  // We failed to retrieve the bitmap, show a debugging red square.
+  {
+    LOG(WARNING) << "Unable to load bitmap with id " << resource_id;
+    NOTREACHED();  // Want to assert in debug mode.
+
+    AutoLock lock_scope(lock_);  // Guard empty_bitmap initialization.
+
+    static SkBitmap* empty_bitmap = NULL;
+    if (!empty_bitmap) {
+      // The placeholder bitmap is bright red so people notice the problem.
+      // This bitmap will be leaked, but this code should never be hit.
+      empty_bitmap = new SkBitmap();
+      empty_bitmap->setConfig(SkBitmap::kARGB_8888_Config, 32, 32);
+      empty_bitmap->allocPixels();
+      empty_bitmap->eraseARGB(255, 255, 0, 0);
+    }
+    return empty_bitmap;
+  }
+}
+
+void ResourceBundle::LoadFontsIfNecessary() {
+  AutoLock lock_scope(lock_);
+  if (!base_font_.get()) {
+    base_font_.reset(new ChromeFont());
+
+    small_font_.reset(new ChromeFont());
+    *small_font_ = base_font_->DeriveFont(-2);
+
+    medium_font_.reset(new ChromeFont());
+    *medium_font_ = base_font_->DeriveFont(3);
+
+    medium_bold_font_.reset(new ChromeFont());
+    *medium_bold_font_ =
+        base_font_->DeriveFont(3, base_font_->style() | ChromeFont::BOLD);
+
+    large_font_.reset(new ChromeFont());
+    *large_font_ = base_font_->DeriveFont(8);
+  }
+}
+
+ChromeFont ResourceBundle::GetFont(FontStyle style) {
+  LoadFontsIfNecessary();
+  switch(style) {
+    case SmallFont:
+      return *small_font_;
+    case MediumFont:
+      return *medium_font_;
+    case MediumBoldFont:
+      return *medium_bold_font_;
+    case LargeFont:
+      return *large_font_;
+    default:
+      return *base_font_;
+  }
+}