Support WebView in ash.

ash/shell/content_client/shell_browser_main_parts.cc

+// Copyright (c) 2012 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 "ash/shell/content_client/shell_browser_main_parts.h"
+
+#include "ash/shell/shell_delegate_impl.h"
+#include "ash/shell/window_watcher.h"
+#include "base/bind.h"
+#include "base/command_line.h"
+#include "base/i18n/icu_util.h"
+#include "base/message_loop.h"
+#include "base/string_number_conversions.h"
+#include "base/threading/thread.h"
+#include "base/threading/thread_restrictions.h"
+#include "content/public/common/content_switches.h"
+#include "content/shell/shell.h"
+#include "content/shell/shell_browser_context.h"
+#include "content/shell/shell_devtools_delegate.h"
+#include "content/shell/shell_switches.h"
+#include "googleurl/src/gurl.h"
+#include "net/base/net_module.h"
+#include "ui/aura/client/stacking_client.h"
+#include "ui/aura/env.h"
+#include "ui/aura/root_window.h"
+#include "ui/aura/window.h"
+#include "ui/base/clipboard/clipboard.h"
+#include "ui/base/resource/resource_bundle.h"
+#include "ui/base/ui_base_paths.h"
+#include "ui/gfx/compositor/compositor.h"
+#include "ui/gfx/compositor/test/compositor_test_support.h"
+#include "ui/views/test/test_views_delegate.h"
+#include "ui/views/focus/accelerator_handler.h"
+
+namespace ash {
+namespace shell {
+void InitWindowTypeLauncher();
+
+namespace {
+class ShellViewsDelegate : public views::TestViewsDelegate {
+ public:
+  ShellViewsDelegate() {}
+  virtual ~ShellViewsDelegate() {}
+
+  // Overridden from views::TestViewsDelegate:
+  virtual views::NonClientFrameView* CreateDefaultNonClientFrameView(
+      views::Widget* widget) OVERRIDE {
+    return ash::Shell::GetInstance()->CreateDefaultNonClientFrameView(widget);
+  }
+  bool UseTransparentWindows() const OVERRIDE {
+    // Ash uses transparent window frames.
+    return true;
+  }
+
+ private:
+  DISALLOW_COPY_AND_ASSIGN(ShellViewsDelegate);
+};
+
+}  // namespace
+
+ShellBrowserMainParts::ShellBrowserMainParts(
+    const content::MainFunctionParams& parameters)
+    : BrowserMainParts(),
+      devtools_delegate_(NULL) {
+}
+
+ShellBrowserMainParts::~ShellBrowserMainParts() {
+}
+
+#if !defined(OS_MACOSX)
+void ShellBrowserMainParts::PreMainMessageLoopStart() {
+}
+#endif
+
+int ShellBrowserMainParts::PreCreateThreads() {
+  return 0;
+}
+
+void ShellBrowserMainParts::PreMainMessageLoopRun() {
+  browser_context_.reset(new content::ShellBrowserContext);
+
+  // A ViewsDelegate is required.
+  if (!views::ViewsDelegate::views_delegate)
+    views::ViewsDelegate::views_delegate = new ShellViewsDelegate;
+
+  ash::shell::ShellDelegateImpl* delegate = new ash::shell::ShellDelegateImpl;
+  ash::Shell::CreateInstance(delegate);
+  ash::Shell::GetInstance()->set_browser_context(browser_context_.get());
+
+  window_watcher_.reset(new ash::shell::WindowWatcher);
+  delegate->SetWatcher(window_watcher_.get());
+
+  ash::shell::InitWindowTypeLauncher();
+
+  ash::Shell::GetRootWindow()->ShowRootWindow();
+}
+
+void ShellBrowserMainParts::PostMainMessageLoopRun() {
+  if (devtools_delegate_)
+    devtools_delegate_->Stop();
+  browser_context_.reset();
+
+  window_watcher_.reset();
+  ash::Shell::DeleteInstance();
+  aura::Env::DeleteInstance();
+}
+
+bool ShellBrowserMainParts::MainMessageLoopRun(int* result_code) {
+  MessageLoopForUI::current()->Run();
+  return true;
+}
+
+ui::Clipboard* ShellBrowserMainParts::GetClipboard() {
+  if (!clipboard_.get())
+    clipboard_.reset(new ui::Clipboard());
+  return clipboard_.get();
+}
+
+}  // namespace shell
+}  // namespace ash