mandoline/ui/aura/aura_init.cc

   1 // Copyright 2015 The Chromium Authors. All rights reserved.
   2 // Use of this source code is governed by a BSD-style license that can be
   3 // found in the LICENSE file.
   4
   5 #include "mandoline/ui/aura/aura_init.h"
   6
   7 #include "base/i18n/icu_util.h"
   8 #include "base/lazy_instance.h"
   9 #include "base/path_service.h"
  10 #include "components/resource_provider/public/cpp/resource_loader.h"
  11 #include "components/view_manager/public/cpp/view.h"
  12 #include "mojo/converters/geometry/geometry_type_converters.h"
  13 #include "ui/aura/env.h"
  14 #include "ui/base/ime/input_method_initializer.h"
  15 #include "ui/base/resource/resource_bundle.h"
  16 #include "ui/base/ui_base_paths.h"
  17
  18 namespace mandoline {
  19
  20 namespace {
  21
  22 // Paths resources are loaded from.
  23 const char kResourceUIPak[] = "mandoline_ui.pak";
  24
  25 std::set<std::string> GetResourcePaths() {
  26   std::set<std::string> paths;
  27   paths.insert(kResourceUIPak);
  28   return paths;
  29 }
  30
  31 }  // namespace
  32
  33 // TODO(sky): the 1.f should be view->viewport_metrics().device_scale_factor,
  34 // but that causes clipping problems. No doubt we're not scaling a size
  35 // correctly.
  36 AuraInit::AuraInit(mojo::View* view, mojo::Shell* shell)
  37     : ui_init_(view->viewport_metrics().size_in_pixels.To<gfx::Size>(), 1.f) {
  38   aura::Env::CreateInstance(false);
  39
  40   InitializeResources(shell);
  41
  42   ui::InitializeInputMethodForTesting();
  43 }
  44
  45 AuraInit::~AuraInit() {
  46 }
  47
  48 void AuraInit::InitializeResources(mojo::Shell* shell) {
  49   if (ui::ResourceBundle::HasSharedInstance())
  50     return;
  51   resource_provider::ResourceLoader resource_loader(shell, GetResourcePaths());
  52   if (!resource_loader.BlockUntilLoaded())
  53     return;
  54   CHECK(resource_loader.loaded());
  55   base::i18n::InitializeICUWithFileDescriptor(
  56       resource_loader.GetICUFile().TakePlatformFile(),
  57       base::MemoryMappedFile::Region::kWholeFile);
  58   ui::RegisterPathProvider();
  59   ui::ResourceBundle::InitSharedInstanceWithPakPath(base::FilePath());
  60   ui::ResourceBundle::GetSharedInstance().AddDataPackFromFile(
  61       resource_loader.ReleaseFile(kResourceUIPak),
  62       ui::SCALE_FACTOR_100P);
  63   // There is a bunch of static state in gfx::Font, by running this now,
  64   // before any other apps load, we ensure all the state is set up.
  65   gfx::Font();
  66 }
  67
  68 }  // namespace mandoline