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/view_manager/public/cpp/view.h"
  11 #include "mojo/converters/geometry/geometry_type_converters.h"
  12 #include "ui/aura/env.h"
  13 #include "ui/base/ime/input_method_initializer.h"
  14 #include "ui/base/resource/resource_bundle.h"
  15 #include "ui/base/ui_base_paths.h"
  16
  17 #if defined(OS_ANDROID)
  18 #include "components/resource_provider/public/cpp/resource_loader.h"
  19 #endif
  20
  21 namespace mandoline {
  22
  23 #if defined(OS_ANDROID)
  24 namespace {
  25
  26 // Paths resources are loaded from.
  27 const char kResourceIcudtl[] = "icudtl.dat";
  28 const char kResourceUIPak[] = "ui_test.pak";
  29
  30 std::set<std::string> GetResourcePaths() {
  31   std::set<std::string> paths;
  32   paths.insert(kResourceIcudtl);
  33   paths.insert(kResourceUIPak);
  34   return paths;
  35 }
  36
  37 }  // namespace
  38 #endif  // defined(OS_ANDROID)
  39
  40 // TODO(sky): the 1.f should be view->viewport_metrics().device_scale_factor,
  41 // but that causes clipping problems. No doubt we're not scaling a size
  42 // correctly.
  43 AuraInit::AuraInit(mojo::View* view, mojo::Shell* shell)
  44     : ui_init_(view->viewport_metrics().size_in_pixels.To<gfx::Size>(), 1.f) {
  45   aura::Env::CreateInstance(false);
  46
  47   InitializeResources(shell);
  48
  49   ui::InitializeInputMethodForTesting();
  50 }
  51
  52 AuraInit::~AuraInit() {
  53 }
  54
  55 void AuraInit::InitializeResources(mojo::Shell* shell) {
  56   if (ui::ResourceBundle::HasSharedInstance())
  57     return;
  58 #if defined(OS_ANDROID)
  59   resource_provider::ResourceLoader resource_loader(shell, GetResourcePaths());
  60   if (!resource_loader.BlockUntilLoaded())
  61     return;
  62   CHECK(resource_loader.loaded());
  63   base::i18n::InitializeICUWithFileDescriptor(
  64       resource_loader.ReleaseFile(kResourceIcudtl).TakePlatformFile(),
  65       base::MemoryMappedFile::Region::kWholeFile);
  66   ui::RegisterPathProvider();
  67   ui::ResourceBundle::InitSharedInstanceWithPakPath(base::FilePath());
  68   ui::ResourceBundle::GetSharedInstance().AddDataPackFromFile(
  69       resource_loader.ReleaseFile(kResourceUIPak),
  70       ui::SCALE_FACTOR_100P);
  71 #else
  72   base::i18n::InitializeICU();
  73
  74   ui::RegisterPathProvider();
  75
  76   base::FilePath ui_test_pak_path;
  77   CHECK(PathService::Get(ui::UI_TEST_PAK, &ui_test_pak_path));
  78   ui::ResourceBundle::InitSharedInstanceWithPakPath(ui_test_pak_path);
  79 #endif
  80
  81   // There is a bunch of static state in gfx::Font, by running this now,
  82   // before any other apps load, we ensure all the state is set up.
  83   gfx::Font();
  84 }
  85
  86 }  // namespace mandoline