Integrate the Windows 8 code into the Chromium tree.

win8/metro_driver/secondary_tile.cc

Index: win8/metro_driver/secondary_tile.cc
diff --git a/win8/metro_driver/secondary_tile.cc b/win8/metro_driver/secondary_tile.cc
new file mode 100644
index 0000000000000000000000000000000000000000..8a54bd7931ba1ff18c9549e13bef626e430f160e
--- /dev/null
+++ b/win8/metro_driver/secondary_tile.cc
@@ -0,0 +1,155 @@
+// 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 "stdafx.h"
+#include "secondary_tile.h"
+
+#include <windows.ui.startscreen.h>
+
+#include "base/base_paths.h"
+#include "base/bind.h"
+#include "base/file_path.h"
+#include "base/logging.h"
+#include "base/path_service.h"
+#include "base/string_number_conversions.h"
+#include "base/utf_string_conversions.h"
+#include "crypto/sha2.h"
+#include "win8/metro_driver/chrome_app_view.h"
+#include "win8/metro_driver/winrt_utils.h"
+
+namespace {
+
+string16 GenerateTileId(const string16& url_str) {
+  uint8 hash[crypto::kSHA256Length];
+  crypto::SHA256HashString(UTF16ToUTF8(url_str), hash, sizeof(hash));
+  std::string hash_str = base::HexEncode(hash, sizeof(hash));
+  return UTF8ToUTF16(hash_str);
+}
+
+string16 GetLogoUrlString() {
+  FilePath module_path;
+  PathService::Get(base::DIR_MODULE, &module_path);
+  string16 scheme(L"ms-appx:///");
+  return scheme.append(module_path.BaseName().value())
+               .append(L"/SecondaryTile.png");
+}
+
+BOOL IsPinnedToStartScreen(const string16& url_str) {
+  mswr::ComPtr<winui::StartScreen::ISecondaryTileStatics> tile_statics;
+  HRESULT hr = winrt_utils::CreateActivationFactory(
+      RuntimeClass_Windows_UI_StartScreen_SecondaryTile,
+      tile_statics.GetAddressOf());
+  CheckHR(hr, "Failed to create instance of ISecondaryTileStatics");
+
+  boolean exists;
+  hr = tile_statics->Exists(MakeHString(GenerateTileId(url_str)), &exists);
+  CheckHR(hr, "ISecondaryTileStatics.Exists failed");
+  return exists;
+}
+
+void DeleteTileFromStartScreen(const string16& url_str) {
+  DVLOG(1) << __FUNCTION__;
+  mswr::ComPtr<winui::StartScreen::ISecondaryTileFactory> tile_factory;
+  HRESULT hr = winrt_utils::CreateActivationFactory(
+      RuntimeClass_Windows_UI_StartScreen_SecondaryTile,
+      tile_factory.GetAddressOf());
+  CheckHR(hr, "Failed to create instance of ISecondaryTileFactory");
+
+  mswrw::HString id;
+  id.Attach(MakeHString(GenerateTileId(url_str)));
+
+  mswr::ComPtr<winui::StartScreen::ISecondaryTile> tile;
+  hr = tile_factory->CreateWithId(id.Get(), tile.GetAddressOf());
+  CheckHR(hr, "Failed to create tile");
+
+  mswr::ComPtr<winfoundtn::IAsyncOperation<bool>> completion;
+  hr = tile->RequestDeleteAsync(completion.GetAddressOf());
+  CheckHR(hr, "RequestDeleteAsync failed");
+
+  typedef winfoundtn::IAsyncOperationCompletedHandler<bool> RequestDoneType;
+  mswr::ComPtr<RequestDoneType> handler(mswr::Callback<RequestDoneType>(
+      globals.view, &ChromeAppView::TileRequestCreateDone));
+  DCHECK(handler.Get() != NULL);
+  hr = completion->put_Completed(handler.Get());
+  CheckHR(hr, "Failed to put_Completed");
+}
+
+void CreateTileOnStartScreen(const string16& title_str,
+                             const string16& url_str) {
+  VLOG(1) << __FUNCTION__;
+  mswr::ComPtr<winui::StartScreen::ISecondaryTileFactory> tile_factory;
+  HRESULT hr = winrt_utils::CreateActivationFactory(
+      RuntimeClass_Windows_UI_StartScreen_SecondaryTile,
+      tile_factory.GetAddressOf());
+  CheckHR(hr, "Failed to create instance of ISecondaryTileFactory");
+
+  winui::StartScreen::TileOptions options =
+      winui::StartScreen::TileOptions_ShowNameOnLogo;
+  mswrw::HString title;
+  title.Attach(MakeHString(title_str));
+  mswrw::HString id;
+  id.Attach(MakeHString(GenerateTileId(url_str)));
+  mswrw::HString args;
+  args.Attach(MakeHString(string16(L"url=").append(url_str)));
+
+  mswr::ComPtr<winfoundtn::IUriRuntimeClassFactory> uri_factory;
+  hr = winrt_utils::CreateActivationFactory(
+      RuntimeClass_Windows_Foundation_Uri,
+      uri_factory.GetAddressOf());
+  CheckHR(hr, "Failed to create URIFactory");
+
+  mswrw::HString logo_url;
+  logo_url.Attach(MakeHString(GetLogoUrlString()));
+  mswr::ComPtr<winfoundtn::IUriRuntimeClass> uri;
+  hr = uri_factory->CreateUri(logo_url.Get(), &uri);
+  CheckHR(hr, "Failed to create URI");
+
+  mswr::ComPtr<winui::StartScreen::ISecondaryTile> tile;
+  hr = tile_factory->CreateTile(id.Get(),
+                                title.Get(),
+                                title.Get(),
+                                args.Get(),
+                                options,
+                                uri.Get(),
+                                tile.GetAddressOf());
+  CheckHR(hr, "Failed to create tile");
+
+  hr = tile->put_ForegroundText(winui::StartScreen::ForegroundText_Light);
+  CheckHR(hr, "Failed to change foreground text color");
+
+  mswr::ComPtr<winfoundtn::IAsyncOperation<bool>> completion;
+  hr = tile->RequestCreateAsync(completion.GetAddressOf());
+  CheckHR(hr, "RequestCreateAsync failed");
+
+  typedef winfoundtn::IAsyncOperationCompletedHandler<bool> RequestDoneType;
+  mswr::ComPtr<RequestDoneType> handler(mswr::Callback<RequestDoneType>(
+      globals.view, &ChromeAppView::TileRequestCreateDone));
+  DCHECK(handler.Get() != NULL);
+  hr = completion->put_Completed(handler.Get());
+  CheckHR(hr, "Failed to put_Completed");
+}
+
+void TogglePinnedToStartScreen(const string16& title_str,
+                               const string16& url_str) {
+  if (IsPinnedToStartScreen(url_str)) {
+    DeleteTileFromStartScreen(url_str);
+    return;
+  }
+
+  CreateTileOnStartScreen(title_str, url_str);
+}
+
+}  // namespace
+
+BOOL MetroIsPinnedToStartScreen(const string16& url) {
+  VLOG(1) << __FUNCTION__ << " url: " << url;
+  return IsPinnedToStartScreen(url);
+}
+
+void MetroTogglePinnedToStartScreen(const string16& title,
+                                    const string16& url) {
+  DVLOG(1) << __FUNCTION__ << " title:" << title << " url: " << url;
+  globals.appview_msg_loop->PostTask(
+      FROM_HERE, base::Bind(&TogglePinnedToStartScreen, title, url));
+}