src/apps/shell/browser/shell_browser_main_parts.cc

   1 // Copyright 2013 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 "apps/shell/browser/shell_browser_main_parts.h"
   6
   7 #include "apps/shell/browser/shell_browser_context.h"
   8 #include "apps/shell/browser/shell_extension_system.h"
   9 #include "apps/shell/browser/shell_extension_system_factory.h"
  10 #include "apps/shell/browser/shell_extensions_browser_client.h"
  11 #include "apps/shell/browser/web_view_window.h"
  12 #include "apps/shell/common/shell_extensions_client.h"
  13 #include "base/command_line.h"
  14 #include "base/file_util.h"
  15 #include "base/files/file_path.h"
  16 #include "base/run_loop.h"
  17 #include "components/browser_context_keyed_service/browser_context_dependency_manager.h"
  18 #include "content/public/common/result_codes.h"
  19 #include "content/shell/browser/shell_devtools_delegate.h"
  20 #include "content/shell/browser/shell_net_log.h"
  21 #include "extensions/browser/extension_system.h"
  22 #include "extensions/browser/renderer_startup_helper.h"
  23 #include "ui/aura/env.h"
  24 #include "ui/aura/root_window.h"
  25 #include "ui/aura/test/test_screen.h"
  26 #include "ui/base/ime/input_method_initializer.h"
  27 #include "ui/base/resource/resource_bundle.h"
  28 #include "ui/gfx/screen.h"
  29 #include "ui/views/test/test_views_delegate.h"
  30 #include "ui/views/views_delegate.h"
  31 #include "ui/views/widget/widget.h"
  32 #include "ui/wm/test/wm_test_helper.h"
  33
  34 using content::BrowserContext;
  35 using extensions::Extension;
  36 using extensions::ExtensionSystem;
  37 using extensions::ShellExtensionSystem;
  38
  39 namespace apps {
  40 namespace {
  41
  42 // Register additional BrowserContextKeyedService factories here. See
  43 // ChromeBrowserMainExtraPartsProfiles for details.
  44 void EnsureBrowserContextKeyedServiceFactoriesBuilt() {
  45   extensions::RendererStartupHelperFactory::GetInstance();
  46   extensions::ShellExtensionSystemFactory::GetInstance();
  47 }
  48
  49 // A ViewsDelegate to attach new unparented windows to app_shell's root window.
  50 class ShellViewsDelegate : public views::TestViewsDelegate {
  51  public:
  52   explicit ShellViewsDelegate(aura::Window* root_window)
  53       : root_window_(root_window) {}
  54   virtual ~ShellViewsDelegate() {}
  55
  56   // views::ViewsDelegate implementation.
  57   virtual void OnBeforeWidgetInit(
  58       views::Widget::InitParams* params,
  59       views::internal::NativeWidgetDelegate* delegate) OVERRIDE {
  60     if (!params->parent)
  61       params->parent = root_window_;
  62   }
  63
  64  private:
  65   aura::Window* root_window_;
  66
  67   DISALLOW_COPY_AND_ASSIGN(ShellViewsDelegate);
  68 };
  69
  70 }  // namespace
  71
  72 ShellBrowserMainParts::ShellBrowserMainParts(
  73     const content::MainFunctionParams& parameters)
  74     : extension_system_(NULL) {
  75 }
  76
  77 ShellBrowserMainParts::~ShellBrowserMainParts() {
  78 }
  79
  80 void ShellBrowserMainParts::PreMainMessageLoopStart() {
  81   // TODO(jamescook): Initialize touch here?
  82 }
  83
  84 void ShellBrowserMainParts::PostMainMessageLoopStart() {
  85 }
  86
  87 void ShellBrowserMainParts::PreEarlyInitialization() {
  88 }
  89
  90 int ShellBrowserMainParts::PreCreateThreads() {
  91   // TODO(jamescook): Initialize chromeos::CrosSettings here?
  92
  93   // Return no error.
  94   return 0;
  95 }
  96
  97 void ShellBrowserMainParts::PreMainMessageLoopRun() {
  98   // NOTE: Much of this is culled from chrome/test/base/chrome_test_suite.cc
  99
 100   // TODO(jamescook): Initialize chromeos::UserManager.
 101
 102   net_log_.reset(new content::ShellNetLog("app_shell"));
 103
 104   // Initialize our "profile" equivalent.
 105   browser_context_.reset(new ShellBrowserContext);
 106
 107   extensions_client_.reset(new ShellExtensionsClient());
 108   extensions::ExtensionsClient::Set(extensions_client_.get());
 109
 110   extensions_browser_client_.reset(
 111       new extensions::ShellExtensionsBrowserClient(browser_context_.get()));
 112   extensions::ExtensionsBrowserClient::Set(extensions_browser_client_.get());
 113
 114   // Create our custom ExtensionSystem first because other
 115   // BrowserContextKeyedServices depend on it.
 116   // TODO(yoz): Move this after EnsureBrowserContextKeyedServiceFactoriesBuilt.
 117   CreateExtensionSystem();
 118
 119   EnsureBrowserContextKeyedServiceFactoriesBuilt();
 120   BrowserContextDependencyManager::GetInstance()->CreateBrowserContextServices(
 121       browser_context_.get());
 122
 123   devtools_delegate_.reset(
 124       new content::ShellDevToolsDelegate(browser_context_.get()));
 125
 126   CreateRootWindow();
 127   CreateViewsDelegate();
 128
 129   const std::string kAppSwitch = "app";
 130   CommandLine* command_line = CommandLine::ForCurrentProcess();
 131   if (command_line->HasSwitch(kAppSwitch)) {
 132     base::FilePath app_dir(command_line->GetSwitchValueNative(kAppSwitch));
 133     base::FilePath app_absolute_dir = base::MakeAbsoluteFilePath(app_dir);
 134     extension_system_->LoadAndLaunchApp(app_absolute_dir);
 135   } else {
 136     // TODO(jamescook): For demo purposes create a window with a WebView just
 137     // to ensure that the content module is properly initialized.
 138     webview_window_.reset(CreateWebViewWindow(browser_context_.get(),
 139         wm_test_helper_->root_window()->window()));
 140     webview_window_->Show();
 141   }
 142 }
 143
 144 bool ShellBrowserMainParts::MainMessageLoopRun(int* result_code)  {
 145   base::RunLoop run_loop;
 146   run_loop.Run();
 147   *result_code = content::RESULT_CODE_NORMAL_EXIT;
 148   return true;
 149 }
 150
 151 void ShellBrowserMainParts::PostMainMessageLoopRun() {
 152   devtools_delegate_->Stop();
 153   DestroyViewsDelegate();
 154   DestroyRootWindow();
 155   BrowserContextDependencyManager::GetInstance()->DestroyBrowserContextServices(
 156       browser_context_.get());
 157   extension_system_ = NULL;
 158   extensions::ExtensionsBrowserClient::Set(NULL);
 159   extensions_browser_client_.reset();
 160   browser_context_.reset();
 161   aura::Env::DeleteInstance();
 162 }
 163
 164 void ShellBrowserMainParts::OnWindowTreeHostCloseRequested(
 165     const aura::RootWindow* root) {
 166   base::MessageLoop::current()->PostTask(FROM_HERE,
 167                                          base::MessageLoop::QuitClosure());
 168 }
 169
 170 void ShellBrowserMainParts::CreateRootWindow() {
 171   test_screen_.reset(aura::TestScreen::Create());
 172   // TODO(jamescook): Replace this with a real Screen implementation.
 173   gfx::Screen::SetScreenInstance(gfx::SCREEN_TYPE_NATIVE, test_screen_.get());
 174   // TODO(jamescook): Initialize a real input method.
 175   ui::InitializeInputMethodForTesting();
 176   // Set up basic pieces of views::corewm.
 177   wm_test_helper_.reset(new wm::WMTestHelper(gfx::Size(800, 600)));
 178   // Ensure the X window gets mapped.
 179   wm_test_helper_->root_window()->host()->Show();
 180   // Watch for the user clicking the close box.
 181   wm_test_helper_->root_window()->AddRootWindowObserver(this);
 182 }
 183
 184 void ShellBrowserMainParts::DestroyRootWindow() {
 185   // We should close widget before destroying root window.
 186   webview_window_.reset();
 187   wm_test_helper_->root_window()->RemoveRootWindowObserver(this);
 188   wm_test_helper_->root_window()->PrepareForShutdown();
 189   wm_test_helper_.reset();
 190   ui::ShutdownInputMethodForTesting();
 191 }
 192
 193 void ShellBrowserMainParts::CreateViewsDelegate() {
 194   DCHECK(!views::ViewsDelegate::views_delegate);
 195   views::ViewsDelegate::views_delegate =
 196       new ShellViewsDelegate(wm_test_helper_->root_window()->window());
 197 }
 198
 199 void ShellBrowserMainParts::DestroyViewsDelegate() {
 200   delete views::ViewsDelegate::views_delegate;
 201   views::ViewsDelegate::views_delegate = NULL;
 202 }
 203
 204 void ShellBrowserMainParts::CreateExtensionSystem() {
 205   DCHECK(browser_context_);
 206   extension_system_ = static_cast<ShellExtensionSystem*>(
 207       ExtensionSystem::Get(browser_context_.get()));
 208   extension_system_->InitForRegularProfile(true);
 209 }
 210
 211 }  // namespace apps