Commander: Add Google Apps command source

This command source adds commands to create a new Doc, Sheet, Meet etc.
It doesn't require any integration, since it takes advantage of the new
docs.new etc. URLs.

(This change also populates CommanderController's default command sources)

Bug: 1014639
Change-Id: I1acef15e9eac2cda11b0087419ee8ccb6328dd9f
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2442871
Commit-Queue: Leonard Grey <lgrey@chromium.org>
Reviewed-by: Elly Fong-Jones <ellyjones@chromium.org>
Cr-Commit-Position: refs/heads/master@{#812940}

chrome/browser/ui/BUILD.gn

@@ -911,6 +911,8 @@ static_library("ui") {
       "chrome_web_modal_dialog_manager_delegate.h",
       "collected_cookies_infobar_delegate.cc",
       "collected_cookies_infobar_delegate.h",
+      "commander/apps_command_source.cc",
+      "commander/apps_command_source.h",
       "commander/command_source.cc",
       "commander/command_source.h",
       "commander/commander_backend.h",

chrome/browser/ui/commander/apps_command_source.cc

+// Copyright 2020 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 "chrome/browser/ui/commander/apps_command_source.h"
+
+#include "base/i18n/case_conversion.h"
+#include "chrome/browser/ui/browser_tabstrip.h"
+#include "chrome/browser/ui/commander/fuzzy_finder.h"
+#include "url/gurl.h"
+
+namespace commander {
+
+AppsCommandSource::AppsCommandSource() = default;
+AppsCommandSource::~AppsCommandSource() = default;
+
+CommandSource::CommandResults AppsCommandSource::GetCommands(
+    const base::string16& input,
+    Browser* browser) const {
+  // TODO(lgrey): Strings are temporarily unlocalized since this is
+  // experimental.
+  static constexpr struct {
+    const char* title;
+    const char* url;
+  } command_map[] = {
+      {"New Google Doc", "https://docs.new"},
+      {"New Google Sheet", "https://sheets.new"},
+      {"New Google Slides", "https://slides.new"},
+      {"New Google Form", "https://forms.new"},
+      {"New Google Meet", "https://meet.new"},
+  };
+
+  CommandSource::CommandResults results;
+  const base::string16& folded_input = base::i18n::FoldCase(input);
+  std::vector<gfx::Range> ranges;
+  for (const auto& command_spec : command_map) {
+    base::string16 title = base::ASCIIToUTF16(command_spec.title);
+    double score = FuzzyFind(folded_input, title, &ranges);
+    if (score == 0)
+      continue;
+
+    auto item = std::make_unique<CommandItem>();
+    item->title = title;
+    item->score = score;
+    item->matched_ranges = ranges;
+    // base::Unretained is safe because commands are reset when a browser is
+    // closed.
+    item->command =
+        base::BindOnce(&chrome::AddTabAt, base::Unretained(browser),
+                       GURL(command_spec.url), -1, true, base::nullopt);
+    results.push_back(std::move(item));
+  }
+  return results;
+}
+
+}  // namespace commander

chrome/browser/ui/commander/apps_command_source.h

+// Copyright 2020 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.
+
+#ifndef CHROME_BROWSER_UI_COMMANDER_APPS_COMMAND_SOURCE_H_
+#define CHROME_BROWSER_UI_COMMANDER_APPS_COMMAND_SOURCE_H_
+
+#include "chrome/browser/ui/commander/command_source.h"
+
+namespace commander {
+
+// A command source for interacting with GSuite.
+class AppsCommandSource : public CommandSource {
+ public:
+  AppsCommandSource();
+  ~AppsCommandSource() override;
+
+  // Disallow copy and assign.
+  AppsCommandSource(const AppsCommandSource& other) = delete;
+  AppsCommandSource& operator=(const AppsCommandSource& other) = delete;
+
+  // CommandSource overrides
+  CommandSource::CommandResults GetCommands(const base::string16& input,
+                                            Browser* browser) const override;
+};
+
+}  // namespace commander
+
+#endif  // CHROME_BROWSER_UI_COMMANDER_APPS_COMMAND_SOURCE_H_

chrome/browser/ui/commander/commander_controller.cc

@@ -5,15 +5,23 @@
 #include "chrome/browser/ui/commander/commander_controller.h"
 
 #include "base/memory/ptr_util.h"
+#include "build/branding_buildflags.h"
 #include "chrome/browser/ui/browser.h"
+#include "chrome/browser/ui/commander/apps_command_source.h"
 #include "chrome/browser/ui/commander/commander_view_model.h"
+#include "chrome/browser/ui/commander/simple_command_source.h"
 
 namespace commander {
 
 namespace {
 
 CommanderController::CommandSources CreateDefaultSources() {
-  return {};
+  CommanderController::CommandSources sources;
+  sources.push_back(std::make_unique<SimpleCommandSource>());
+#if BUILDFLAG(GOOGLE_CHROME_BRANDING)
+  sources.push_back(std::make_unique<AppsCommandSource>());
+#endif  // BUILDFLAG(GOOGLE_CHROME_BRANDING)
+  return sources;
 }
 
 }  // namespace