arc: Create intermediate directories in c/b/c/arc

chrome/browser/chromeos/arc/arc_navigation_throttle.cc

Index: chrome/browser/chromeos/arc/arc_navigation_throttle.cc
diff --git a/chrome/browser/chromeos/arc/arc_navigation_throttle.cc b/chrome/browser/chromeos/arc/arc_navigation_throttle.cc
deleted file mode 100644
index 8857fbd853228a3623590fd0245ae75e816f648b..0000000000000000000000000000000000000000
--- a/chrome/browser/chromeos/arc/arc_navigation_throttle.cc
+++ /dev/null
@@ -1,387 +0,0 @@
-// Copyright 2016 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/chromeos/arc/arc_navigation_throttle.h"
-
-#include <algorithm>
-
-#include "base/bind.h"
-#include "base/logging.h"
-#include "base/memory/ref_counted.h"
-#include "base/metrics/histogram_macros.h"
-#include "components/arc/arc_bridge_service.h"
-#include "components/arc/arc_service_manager.h"
-#include "components/arc/intent_helper/arc_intent_helper_bridge.h"
-#include "components/arc/intent_helper/local_activity_resolver.h"
-#include "components/arc/intent_helper/page_transition_util.h"
-#include "content/public/browser/browser_thread.h"
-#include "content/public/browser/navigation_controller.h"
-#include "content/public/browser/navigation_handle.h"
-#include "content/public/browser/web_contents.h"
-#include "net/base/registry_controlled_domains/registry_controlled_domain.h"
-#include "ui/base/page_transition_types.h"
-#include "url/gurl.h"
-
-namespace arc {
-
-namespace {
-
-constexpr uint32_t kMinVersionForHandleUrl = 2;
-constexpr uint32_t kMinVersionForRequestUrlHandlerList = 2;
-constexpr uint32_t kMinVersionForAddPreferredPackage = 7;
-
-scoped_refptr<ActivityIconLoader> GetIconLoader() {
-  DCHECK_CURRENTLY_ON(content::BrowserThread::UI);
-  ArcServiceManager* arc_service_manager = ArcServiceManager::Get();
-  return arc_service_manager ? arc_service_manager->icon_loader() : nullptr;
-}
-
-// Compares the host name of the referrer and target URL to decide whether
-// the navigation needs to be overriden.
-bool ShouldOverrideUrlLoading(const GURL& previous_url,
-                              const GURL& current_url) {
-  // When the navigation is initiated in a web page where sending a referrer
-  // is disabled, |previous_url| can be empty. In this case, we should open
-  // it in the desktop browser.
-  if (!previous_url.is_valid() || previous_url.is_empty())
-    return false;
-
-  // Also check |current_url| just in case.
-  if (!current_url.is_valid() || current_url.is_empty()) {
-    DVLOG(1) << "Unexpected URL: " << current_url << ", opening it in Chrome.";
-    return false;
-  }
-
-  return !net::registry_controlled_domains::SameDomainOrHost(
-      current_url, previous_url,
-      net::registry_controlled_domains::INCLUDE_PRIVATE_REGISTRIES);
-}
-
-// Returns true if |handlers| contain one or more apps. When this function is
-// called from OnAppCandidatesReceived, |handlers| always contain Chrome (aka
-// intent_helper), but the function doesn't treat it as an app.
-bool IsAppAvailable(const mojo::Array<mojom::IntentHandlerInfoPtr>& handlers) {
-  return handlers.size() > 1 || (handlers.size() == 1 &&
-                                 !ArcIntentHelperBridge::IsIntentHelperPackage(
-                                     handlers[0]->package_name));
-}
-
-// Searches for a preferred app in |handlers| and returns its index. If not
-// found, returns |handlers.size()|.
-size_t FindPreferredApp(
-    const mojo::Array<mojom::IntentHandlerInfoPtr>& handlers,
-    const GURL& url_for_logging) {
-  for (size_t i = 0; i < handlers.size(); ++i) {
-    if (!handlers[i]->is_preferred)
-      continue;
-    if (ArcIntentHelperBridge::IsIntentHelperPackage(
-            handlers[i]->package_name)) {
-      // If Chrome browser was selected as the preferred app, we shouldn't
-      // create a throttle.
-      DVLOG(1)
-          << "Chrome browser is selected as the preferred app for this URL: "
-          << url_for_logging;
-    }
-    return i;
-  }
-  return handlers.size();  // not found
-}
-
-// Swaps Chrome app with any app in row |kMaxAppResults-1| iff its index is
-// bigger, thus ensuring the user can always see Chrome without scrolling.
-// When swap is needed, fills |out_indices| and returns true. If |handlers|
-// do not have Chrome, returns false.
-bool IsSwapElementsNeeded(
-    const mojo::Array<mojom::IntentHandlerInfoPtr>& handlers,
-    std::pair<size_t, size_t>* out_indices) {
-  size_t chrome_app_index = 0;
-  for (size_t i = 0; i < handlers.size(); ++i) {
-    if (ArcIntentHelperBridge::IsIntentHelperPackage(
-            handlers[i]->package_name)) {
-      chrome_app_index = i;
-      break;
-    }
-  }
-  if (chrome_app_index < ArcNavigationThrottle::kMaxAppResults)
-    return false;
-
-  *out_indices = std::make_pair(ArcNavigationThrottle::kMaxAppResults - 1,
-                                chrome_app_index);
-  return true;
-}
-
-}  // namespace
-
-ArcNavigationThrottle::ArcNavigationThrottle(
-    content::NavigationHandle* navigation_handle,
-    const ShowIntentPickerCallback& show_intent_picker_cb)
-    : content::NavigationThrottle(navigation_handle),
-      show_intent_picker_callback_(show_intent_picker_cb),
-      previous_user_action_(CloseReason::INVALID),
-      weak_ptr_factory_(this) {}
-
-ArcNavigationThrottle::~ArcNavigationThrottle() = default;
-
-content::NavigationThrottle::ThrottleCheckResult
-ArcNavigationThrottle::WillStartRequest() {
-  DCHECK_CURRENTLY_ON(content::BrowserThread::UI);
-  // We must not handle navigations started from the context menu.
-  if (navigation_handle()->WasStartedFromContextMenu())
-    return content::NavigationThrottle::PROCEED;
-  return HandleRequest();
-}
-
-content::NavigationThrottle::ThrottleCheckResult
-ArcNavigationThrottle::WillRedirectRequest() {
-  DCHECK_CURRENTLY_ON(content::BrowserThread::UI);
-
-  switch (previous_user_action_) {
-    case CloseReason::ERROR:
-    case CloseReason::DIALOG_DEACTIVATED:
-      // User dismissed the dialog, or some error occurred before.  Don't
-      // repeatedly pop up the dialog.
-      return content::NavigationThrottle::PROCEED;
-
-    case CloseReason::ALWAYS_PRESSED:
-    case CloseReason::JUST_ONCE_PRESSED:
-    case CloseReason::PREFERRED_ACTIVITY_FOUND:
-      // Should never get here - if the user selected one of these previously,
-      // Chrome should not see a redirect.
-      NOTREACHED();
-
-    case CloseReason::INVALID:
-      // No picker has previously been popped up for this - continue.
-      break;
-  }
-  return HandleRequest();
-}
-
-content::NavigationThrottle::ThrottleCheckResult
-ArcNavigationThrottle::HandleRequest() {
-  const GURL& url = navigation_handle()->GetURL();
-
-  // Always handle http(s) <form> submissions in Chrome for two reasons: 1) we
-  // don't have a way to send POST data to ARC, and 2) intercepting http(s) form
-  // submissions is not very important because such submissions are usually
-  // done within the same domain. ShouldOverrideUrlLoading() below filters out
-  // such submissions anyway.
-  constexpr bool kAllowFormSubmit = false;
-
-  if (ShouldIgnoreNavigation(navigation_handle()->GetPageTransition(),
-                             kAllowFormSubmit))
-    return content::NavigationThrottle::PROCEED;
-
-  const GURL referrer_url = navigation_handle()->GetReferrer().url;
-  const GURL current_url = navigation_handle()->GetURL();
-  const GURL last_committed_url =
-      navigation_handle()->GetWebContents()->GetLastCommittedURL();
-
-  // For navigations from http to https we clean up the Referrer as part of the
-  // sanitization proccess, however we may still have access to the last
-  // committed URL. On the other hand, navigations started within a new tab
-  // (e.g. due to target="_blank") will keep no track of any previous entries
-  // and so GetLastCommittedURL() can be seen empty sometimes, this is why we
-  // use one or the other accordingly. Also we don't use GetVisibleURL() since
-  // it may contain a still non-committed URL (i.e. it can be the same as
-  // GetURL()).
-  const GURL previous_url =
-      referrer_url.is_empty() ? last_committed_url : referrer_url;
-
-  if (!ShouldOverrideUrlLoading(previous_url, current_url))
-    return content::NavigationThrottle::PROCEED;
-
-  ArcServiceManager* arc_service_manager = ArcServiceManager::Get();
-  DCHECK(arc_service_manager);
-  scoped_refptr<LocalActivityResolver> local_resolver =
-      arc_service_manager->activity_resolver();
-  if (local_resolver->ShouldChromeHandleUrl(url)) {
-    // Allow navigation to proceed if there isn't an android app that handles
-    // the given URL.
-    return content::NavigationThrottle::PROCEED;
-  }
-
-  auto* instance = ArcIntentHelperBridge::GetIntentHelperInstance(
-      "RequestUrlHandlerList", kMinVersionForRequestUrlHandlerList);
-  if (!instance)
-    return content::NavigationThrottle::PROCEED;
-  instance->RequestUrlHandlerList(
-      url.spec(), base::Bind(&ArcNavigationThrottle::OnAppCandidatesReceived,
-                             weak_ptr_factory_.GetWeakPtr()));
-  return content::NavigationThrottle::DEFER;
-}
-
-// We received the array of app candidates to handle this URL (even the Chrome
-// app is included).
-void ArcNavigationThrottle::OnAppCandidatesReceived(
-    mojo::Array<mojom::IntentHandlerInfoPtr> handlers) {
-  DCHECK_CURRENTLY_ON(content::BrowserThread::UI);
-  if (!IsAppAvailable(handlers)) {
-    // This scenario shouldn't be accesed as ArcNavigationThrottle is created
-    // iff there are ARC apps which can actually handle the given URL.
-    DVLOG(1) << "There are no app candidates for this URL: "
-             << navigation_handle()->GetURL();
-    navigation_handle()->Resume();
-    return;
-  }
-
-  // If one of the apps is marked as preferred, use it right away without
-  // showing the UI.
-  const size_t index =
-      FindPreferredApp(handlers, navigation_handle()->GetURL());
-  if (index != handlers.size()) {
-    const std::string package_name = handlers[index]->package_name;
-    OnIntentPickerClosed(std::move(handlers), package_name,
-                         CloseReason::PREFERRED_ACTIVITY_FOUND);
-    return;
-  }
-
-  std::pair<size_t, size_t> indices;
-  if (IsSwapElementsNeeded(handlers, &indices))
-    std::swap(handlers[indices.first], handlers[indices.second]);
-
-  scoped_refptr<ActivityIconLoader> icon_loader = GetIconLoader();
-  if (!icon_loader) {
-    LOG(ERROR) << "Cannot get an instance of ActivityIconLoader";
-    navigation_handle()->Resume();
-    return;
-  }
-  std::vector<ActivityIconLoader::ActivityName> activities;
-  for (const auto& handler : handlers)
-    activities.emplace_back(handler->package_name, handler->activity_name);
-  icon_loader->GetActivityIcons(
-      activities,
-      base::Bind(&ArcNavigationThrottle::OnAppIconsReceived,
-                 weak_ptr_factory_.GetWeakPtr(), base::Passed(&handlers)));
-}
-
-void ArcNavigationThrottle::OnAppIconsReceived(
-    mojo::Array<mojom::IntentHandlerInfoPtr> handlers,
-    std::unique_ptr<ActivityIconLoader::ActivityToIconsMap> icons) {
-  DCHECK_CURRENTLY_ON(content::BrowserThread::UI);
-  std::vector<AppInfo> app_info;
-
-  for (const auto& handler : handlers) {
-    gfx::Image icon;
-    const ActivityIconLoader::ActivityName activity(handler->package_name,
-                                                    handler->activity_name);
-    const auto it = icons->find(activity);
-
-    app_info.emplace_back(
-        AppInfo(it != icons->end() ? it->second.icon20 : gfx::Image(),
-                handler->package_name, handler->name));
-  }
-
-  show_intent_picker_callback_.Run(
-      navigation_handle()->GetWebContents(), app_info,
-      base::Bind(&ArcNavigationThrottle::OnIntentPickerClosed,
-                 weak_ptr_factory_.GetWeakPtr(), base::Passed(&handlers)));
-}
-
-void ArcNavigationThrottle::OnIntentPickerClosed(
-    mojo::Array<mojom::IntentHandlerInfoPtr> handlers,
-    const std::string& selected_app_package,
-    CloseReason close_reason) {
-  DCHECK_CURRENTLY_ON(content::BrowserThread::UI);
-  const GURL& url = navigation_handle()->GetURL();
-  content::NavigationHandle* handle = navigation_handle();
-  previous_user_action_ = close_reason;
-
-  // Make sure that the instance at least supports HandleUrl.
-  auto* instance = ArcIntentHelperBridge::GetIntentHelperInstance(
-      "HandleUrl", kMinVersionForHandleUrl);
-  // Since we are selecting an app by its package name, we need to locate it
-  // on the |handlers| structure before sending the IPC to ARC.
-  const size_t selected_app_index = GetAppIndex(handlers, selected_app_package);
-  if (!instance) {
-    close_reason = CloseReason::ERROR;
-  } else if (close_reason == CloseReason::JUST_ONCE_PRESSED ||
-             close_reason == CloseReason::ALWAYS_PRESSED ||
-             close_reason == CloseReason::PREFERRED_ACTIVITY_FOUND) {
-    if (selected_app_index == handlers.size())
-      close_reason = CloseReason::ERROR;
-  }
-
-  switch (close_reason) {
-    case CloseReason::ERROR:
-    case CloseReason::DIALOG_DEACTIVATED: {
-      // If the user fails to select an option from the list, or the UI returned
-      // an error or if |selected_app_index| is not a valid index, then resume
-      // the navigation in Chrome.
-      DVLOG(1) << "User didn't select a valid option, resuming navigation.";
-      handle->Resume();
-      break;
-    }
-    case CloseReason::ALWAYS_PRESSED: {
-      // Call AddPreferredPackage if it is supported. Reusing the same
-      // |instance| is okay.
-      if (ArcIntentHelperBridge::GetIntentHelperInstance(
-              "AddPreferredPackage", kMinVersionForAddPreferredPackage)) {
-        instance->AddPreferredPackage(
-            handlers[selected_app_index]->package_name);
-      }
-      // fall through.
-    }
-    case CloseReason::JUST_ONCE_PRESSED:
-    case CloseReason::PREFERRED_ACTIVITY_FOUND: {
-      if (ArcIntentHelperBridge::IsIntentHelperPackage(
-              handlers[selected_app_index]->package_name)) {
-        handle->Resume();
-      } else {
-        instance->HandleUrl(url.spec(), selected_app_package);
-        handle->CancelDeferredNavigation(
-            content::NavigationThrottle::CANCEL_AND_IGNORE);
-        if (handle->GetWebContents()->GetController().IsInitialNavigation())
-          handle->GetWebContents()->Close();
-      }
-      break;
-    }
-    case CloseReason::INVALID: {
-      NOTREACHED();
-      return;
-    }
-  }
-
-  UMA_HISTOGRAM_ENUMERATION("Arc.IntentHandlerAction",
-                            static_cast<int>(close_reason),
-                            static_cast<int>(CloseReason::SIZE));
-}
-
-// static
-size_t ArcNavigationThrottle::GetAppIndex(
-    const mojo::Array<mojom::IntentHandlerInfoPtr>& handlers,
-    const std::string& selected_app_package) {
-  for (size_t i = 0; i < handlers.size(); ++i) {
-    if (handlers[i]->package_name == selected_app_package)
-      return i;
-  }
-  return handlers.size();
-}
-
-// static
-bool ArcNavigationThrottle::ShouldOverrideUrlLoadingForTesting(
-    const GURL& previous_url,
-    const GURL& current_url) {
-  return ShouldOverrideUrlLoading(previous_url, current_url);
-}
-
-// static
-bool ArcNavigationThrottle::IsAppAvailableForTesting(
-    const mojo::Array<mojom::IntentHandlerInfoPtr>& handlers) {
-  return IsAppAvailable(handlers);
-}
-
-// static
-size_t ArcNavigationThrottle::FindPreferredAppForTesting(
-    const mojo::Array<mojom::IntentHandlerInfoPtr>& handlers) {
-  return FindPreferredApp(handlers, GURL());
-}
-
-// static
-bool ArcNavigationThrottle::IsSwapElementsNeededForTesting(
-    const mojo::Array<mojom::IntentHandlerInfoPtr>& handlers,
-    std::pair<size_t, size_t>* out_indices) {
-  return IsSwapElementsNeeded(handlers, out_indices);
-}
-
-}  // namespace arc