[ios] Migrate PrintController to BrowserCoordinator

Bug: 905524
Change-Id: I7856854bada0ef0a0285a4f3b0d362f9c2113f97
Reviewed-on: https://chromium-review.googlesource.com/c/1354781Reviewed-by: edchin <edchin@chromium.org>
Reviewed-by: Rohit Rao <rohitrao@chromium.org>
Reviewed-by: Gauthier Ambard <gambard@chromium.org>
Commit-Queue: edchin <edchin@chromium.org>
Cr-Commit-Position: refs/heads/master@{#612221}

ios/chrome/browser/ui/BUILD.gn

@@ -346,7 +346,6 @@ source_set("ui_internal") {
     "//ios/chrome/browser/ui/payments",
     "//ios/chrome/browser/ui/popup_menu",
     "//ios/chrome/browser/ui/presenters",
-    "//ios/chrome/browser/ui/print",
     "//ios/chrome/browser/ui/qr_scanner:coordinator",
     "//ios/chrome/browser/ui/reading_list",
     "//ios/chrome/browser/ui/sad_tab",

ios/chrome/browser/ui/browser_view_controller.mm

@@ -99,7 +99,6 @@
 #import "ios/chrome/browser/tabs/tab_model.h"
 #import "ios/chrome/browser/tabs/tab_model_observer.h"
 #import "ios/chrome/browser/tabs/tab_private.h"
-#import "ios/chrome/browser/tabs/tab_title_util.h"
 #import "ios/chrome/browser/tabs/tab_util.h"
 #import "ios/chrome/browser/translate/chrome_ios_translate_client.h"
 #import "ios/chrome/browser/translate/language_selection_handler.h"
@@ -161,7 +160,6 @@
 #import "ios/chrome/browser/ui/payments/payment_request_manager.h"
 #import "ios/chrome/browser/ui/popup_menu/popup_menu_coordinator.h"
 #import "ios/chrome/browser/ui/presenters/vertical_animation_container.h"
-#import "ios/chrome/browser/ui/print/print_controller.h"
 #import "ios/chrome/browser/ui/reading_list/offline_page_native_content.h"
 #import "ios/chrome/browser/ui/reading_list/reading_list_menu_notifier.h"
 #include "ios/chrome/browser/ui/sad_tab/features.h"
@@ -249,7 +247,6 @@
 #import "net/base/mac/url_conversions.h"
 #include "net/base/registry_controlled_domains/registry_controlled_domain.h"
 #include "net/ssl/ssl_info.h"
-#include "net/url_request/url_request_context_getter.h"
 #include "services/network/public/cpp/shared_url_loader_factory.h"
 #include "third_party/google_toolbox_for_mac/src/iPhone/GTMUIImage+Resize.h"
 #include "ui/base/l10n/l10n_util.h"
@@ -477,9 +474,6 @@ NSString* const kBrowserViewControllerSnackbarCategory =
   // Used to display the Find In Page UI. Nil if not visible.
   FindBarControllerIOS* _findBarController;
 
-  // Used to display the Print UI. Nil if not visible.
-  PrintController* _printController;
-
   // Adapter to let BVC be the delegate for WebState.
   std::unique_ptr<web::WebStateDelegateBridge> _webStateDelegate;
 
@@ -1431,8 +1425,6 @@ applicationCommandEndpoint:(id<ApplicationCommands>)applicationCommandEndpoint
   }
 
   [_paymentRequestManager cancelRequest];
-  [_printController dismissAnimated:YES];
-  _printController = nil;
   [self.dispatcher dismissPopupMenuAnimated:NO];
   [_contextMenuCoordinator stop];
 
@@ -4373,17 +4365,6 @@ applicationCommandEndpoint:(id<ApplicationCommands>)applicationCommandEndpoint
                                                    self.currentWebState]];
 }
 
-- (void)printTab {
-  if (!_printController) {
-    _printController = [[PrintController alloc]
-        initWithContextGetter:_browserState->GetRequestContext()];
-  }
-  Tab* currentTab = self.tabModel.currentTab;
-  [_printController printView:[currentTab viewForPrinting]
-                    withTitle:tab_util::GetTabTitle(currentTab.webState)
-               viewController:self];
-}
-
 - (void)addToReadingList:(ReadingListAddCommand*)command {
   [self addToReadingListURL:[command URL] title:[command title]];
 }

ios/chrome/browser/ui/commands/browser_commands.h

@@ -48,9 +48,6 @@ class GURL;
 // Bookmarks the current page.
 - (void)bookmarkPage;
 
-// Prints the currently active tab.
-- (void)printTab;
-
 // Adds a page to the reading list using data in |command|.
 - (void)addToReadingList:(ReadingListAddCommand*)command;
 

ios/chrome/browser/ui/commands/browser_coordinator_commands.h

@@ -12,6 +12,9 @@
 // and representative of the contents.
 @protocol BrowserCoordinatorCommands
 
+// Prints the currently active tab.
+- (void)printTab;
+
 // Shows the Reading List UI.
 - (void)showReadingList;
 

ios/chrome/browser/ui/main/BUILD.gn

@@ -37,6 +37,7 @@ source_set("main") {
     "//ios/chrome/browser/ui/coordinators:chrome_coordinators",
     "//ios/chrome/browser/ui/download",
     "//ios/chrome/browser/ui/page_info:coordinator",
+    "//ios/chrome/browser/ui/print",
     "//ios/chrome/browser/ui/qr_scanner:coordinator",
     "//ios/chrome/browser/ui/reading_list",
     "//ios/chrome/browser/ui/recent_tabs",
@@ -45,6 +46,7 @@ source_set("main") {
     "//ios/chrome/browser/web:tab_helper_delegates",
     "//ios/chrome/browser/web_state_list",
     "//ios/public/provider/chrome/browser",
+    "//net",
   ]
   public_deps = [
     "//ios/chrome/browser/ui:ui_internal",

ios/chrome/browser/ui/main/browser_coordinator.mm

@@ -9,9 +9,12 @@
 #include "base/scoped_observer.h"
 #import "ios/chrome/browser/app_launcher/app_launcher_abuse_detector.h"
 #import "ios/chrome/browser/app_launcher/app_launcher_tab_helper.h"
+#include "ios/chrome/browser/browser_state/chrome_browser_state.h"
 #import "ios/chrome/browser/download/pass_kit_tab_helper.h"
 #import "ios/chrome/browser/store_kit/store_kit_coordinator.h"
 #import "ios/chrome/browser/store_kit/store_kit_tab_helper.h"
+#import "ios/chrome/browser/tabs/tab.h"
+#import "ios/chrome/browser/tabs/tab_title_util.h"
 #import "ios/chrome/browser/ui/alert_coordinator/repost_form_coordinator.h"
 #import "ios/chrome/browser/ui/app_launcher/app_launcher_coordinator.h"
 #import "ios/chrome/browser/ui/autofill/form_input_accessory_coordinator.h"
@@ -22,6 +25,7 @@
 #import "ios/chrome/browser/ui/commands/command_dispatcher.h"
 #import "ios/chrome/browser/ui/download/pass_kit_coordinator.h"
 #import "ios/chrome/browser/ui/page_info/page_info_legacy_coordinator.h"
+#import "ios/chrome/browser/ui/print/print_controller.h"
 #import "ios/chrome/browser/ui/qr_scanner/qr_scanner_legacy_coordinator.h"
 #import "ios/chrome/browser/ui/reading_list/reading_list_coordinator.h"
 #import "ios/chrome/browser/ui/recent_tabs/recent_tabs_coordinator.h"
@@ -30,6 +34,7 @@
 #import "ios/chrome/browser/web/repost_form_tab_helper_delegate.h"
 #include "ios/chrome/browser/web_state_list/web_state_list.h"
 #import "ios/chrome/browser/web_state_list/web_state_list_observer_bridge.h"
+#include "net/url_request/url_request_context_getter.h"
 
 #if !defined(__has_feature) || !__has_feature(objc_arc)
 #error "This file requires ARC support."
@@ -60,6 +65,10 @@
 // Coordinator for the PassKit UI presentation.
 @property(nonatomic, strong) PassKitCoordinator* passKitCoordinator;
 
+// Used to display the Print UI. Nil if not visible.
+// TODO(crbug.com/910017): Convert to coordinator.
+@property(nonatomic, strong) PrintController* printController;
+
 // Coordinator for the QR scanner.
 @property(nonatomic, strong) QRScannerLegacyCoordinator* qrScannerCoordinator;
 
@@ -118,6 +127,10 @@
 - (void)clearPresentedStateWithCompletion:(ProceduralBlock)completion
                            dismissOmnibox:(BOOL)dismissOmnibox {
   [self.passKitCoordinator stop];
+
+  [self.printController dismissAnimated:YES];
+  self.printController = nil;
+
   [self.viewController clearPresentedStateWithCompletion:completion
                                           dismissOmnibox:dismissOmnibox];
 }
@@ -153,6 +166,7 @@
 
   self.appLauncherCoordinator = [[AppLauncherCoordinator alloc]
       initWithBaseViewController:self.viewController];
+
   self.formInputAccessoryCoordinator = [[FormInputAccessoryCoordinator alloc]
       initWithBaseViewController:self.viewController
                     browserState:self.browserState
@@ -171,6 +185,8 @@
   self.passKitCoordinator = [[PassKitCoordinator alloc]
       initWithBaseViewController:self.viewController];
 
+  /* PrintController is created and started by a BrowserCommand */
+
   self.qrScannerCoordinator = [[QRScannerLegacyCoordinator alloc]
       initWithBaseViewController:self.viewController];
   self.qrScannerCoordinator.dispatcher = self.dispatcher;
@@ -204,6 +220,8 @@
   [self.passKitCoordinator stop];
   self.passKitCoordinator = nil;
 
+  self.printController = nil;
+
   [self.qrScannerCoordinator stop];
   self.qrScannerCoordinator = nil;
 
@@ -223,6 +241,19 @@
   self.storeKitCoordinator = nil;
 }
 
+#pragma mark - BrowserCoordinatorCommands
+
+- (void)printTab {
+  if (!self.printController) {
+    self.printController = [[PrintController alloc]
+        initWithContextGetter:self.browserState->GetRequestContext()];
+  }
+  Tab* currentTab = self.tabModel.currentTab;
+  [self.printController printView:[currentTab viewForPrinting]
+                        withTitle:tab_util::GetTabTitle(currentTab.webState)
+                   viewController:self.viewController];
+}
+
 - (void)showReadingList {
   self.readingListCoordinator = [[ReadingListCoordinator alloc]
       initWithBaseViewController:self.viewController