[Mac] Add system share menu

chrome/browser/ui/cocoa/share_menu_controller_browsertest.mm

+// Copyright 2017 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.
+
+#import "chrome/browser/ui/cocoa/share_menu_controller.h"
+
+#import "base/mac/scoped_nsobject.h"
+#import "base/path_service.h"
+#include "base/strings/sys_string_conversions.h"
+#include "chrome/browser/ui/browser.h"
+#include "chrome/browser/ui/browser_list.h"
+#include "chrome/browser/ui/browser_window.h"
+#include "chrome/browser/ui/cocoa/test/cocoa_profile_test.h"
+#import "chrome/browser/ui/cocoa/test/cocoa_test_helper.h"
+#include "chrome/browser/ui/tabs/tab_strip_model.h"
+#include "chrome/common/chrome_paths.h"
+#include "chrome/grit/generated_resources.h"
+#include "chrome/test/base/in_process_browser_test.h"
+#include "net/base/mac/url_conversions.h"
+#include "testing/gtest_mac.h"
+#include "ui/base/l10n/l10n_util_mac.h"
+
+// Mock sharing service for sensing shared items.
+@interface MockSharingService : NSSharingService
+
+// Weak since both this object and the shared item
+// should only live in the scope of the test.
+@property(nonatomic, assign) id sharedItem;
+
+@end
+
+@implementation MockSharingService
+
+// The real one is backed by SHKSharingService parameters which
+// don't appear to be present when inheriting from vanilla
+// |NSSharingService|.
+@synthesize subject;
+@synthesize sharedItem = sharedItem_;
+
+- (void)performWithItems:(NSArray*)items {
+  [self setSharedItem:[items firstObject]];
+}
+
+@end
+
+class ShareMenuControllerTest : public InProcessBrowserTest {
+ public:
+  ShareMenuControllerTest() {}
+
+  void SetUpOnMainThread() override {
+    base::FilePath test_data_dir;
+    PathService::Get(chrome::DIR_TEST_DATA, &test_data_dir);
+    embedded_test_server()->ServeFilesFromDirectory(test_data_dir);
+    ASSERT_TRUE(embedded_test_server()->Start());
+
+    url_ = embedded_test_server()->GetURL("/title2.html");
+    AddTabAtIndex(0, url_, ui::PAGE_TRANSITION_TYPED);
+    controller_.reset([[ShareMenuController alloc] init]);
+  }
+
+ protected:
+  // Create a menu item for |service| and trigger it using
+  // the target/action of real menu items created by
+  // |controller_|
+  void PerformShare(NSSharingService* service) {
+    base::scoped_nsobject<NSMenu> menu([[NSMenu alloc] initWithTitle:@"Share"]);
+
+    [controller_ menuNeedsUpdate:menu];
+
+    base::scoped_nsobject<NSMenuItem> mock_menu_item([[NSMenuItem alloc]
+        initWithTitle:@"test"
+               action:nil
+        keyEquivalent:@""]);
+    [mock_menu_item setRepresentedObject:service];
+
+    NSMenuItem* first_menu_item = [menu itemAtIndex:0];
+    id target = [first_menu_item target];
+    SEL action = [first_menu_item action];
+    [target performSelector:action withObject:mock_menu_item.get()];
+  }
+  GURL url_;
+  base::scoped_nsobject<ShareMenuController> controller_;
+};
+
+IN_PROC_BROWSER_TEST_F(ShareMenuControllerTest, PopulatesMenu) {
+  base::scoped_nsobject<NSMenu> menu([[NSMenu alloc] initWithTitle:@"Share"]);
+  NSArray* sharing_services_for_url = [NSSharingService
+      sharingServicesForItems:@[ [NSURL URLWithString:@"http://example.com"] ]];
+  EXPECT_GT([sharing_services_for_url count], 0U);
+
+  [controller_ menuNeedsUpdate:menu];
+
+  // -1 for reading list, +1 for "More..." if it's showing.
+  NSInteger expected_count = [sharing_services_for_url count];
+  if (![ShareMenuController shouldShowMoreItem]) {
+    expected_count--;
+  }
+  EXPECT_EQ([menu numberOfItems], expected_count);
+
+  NSSharingService* reading_list_service = [NSSharingService
+      sharingServiceNamed:NSSharingServiceNameAddToSafariReadingList];
+
+  NSUInteger i = 0;
+  // Ensure there's a menu item for each service besides reading list.
+  for (NSSharingService* service in sharing_services_for_url) {
+    if ([service isEqual:reading_list_service])
+      continue;
+    NSMenuItem* menu_item = [menu itemAtIndex:i];
+    EXPECT_NSEQ([menu_item representedObject], service);
+    EXPECT_EQ([menu_item target], static_cast<id>(controller_));
+    i++;
+  }
+
+  // Ensure the menu is cleared between updates.
+  [controller_ menuNeedsUpdate:menu];
+  EXPECT_EQ([menu numberOfItems], expected_count);
+}
+
+IN_PROC_BROWSER_TEST_F(ShareMenuControllerTest, AddsMoreButton) {
+  if (![ShareMenuController shouldShowMoreItem]) {
+    return;
+  }
+  base::scoped_nsobject<NSMenu> menu([[NSMenu alloc] initWithTitle:@"Share"]);
+  [controller_ menuNeedsUpdate:menu];
+
+  NSInteger number_of_items = [menu numberOfItems];
+  EXPECT_GT(number_of_items, 0);
+  NSMenuItem* last_item = [menu itemAtIndex:number_of_items - 1];
+  EXPECT_NSEQ(last_item.title, l10n_util::GetNSString(IDS_SHARING_MORE_MAC));
+}
+
+IN_PROC_BROWSER_TEST_F(ShareMenuControllerTest, ActionPerformsShare) {
+  base::scoped_nsobject<MockSharingService> service(
+      [[MockSharingService alloc] init]);
+  EXPECT_FALSE([service sharedItem]);
+
+  PerformShare(service);
+
+  EXPECT_NSEQ([service sharedItem], net::NSURLWithGURL(url_));
+  // Title of chrome/test/data/title2.html
+  EXPECT_NSEQ([service subject], @"Title Of Awesomeness");
+  EXPECT_EQ([service delegate],
+            static_cast<id<NSSharingServiceDelegate>>(controller_));
+}
+
+IN_PROC_BROWSER_TEST_F(ShareMenuControllerTest, SharingDelegate) {
+  NSURL* url = [NSURL URLWithString:@"http://google.com"];
+  base::scoped_nsobject<NSSharingService> service(
+      [[NSSharingService alloc] init]);
+
+  PerformShare(service);
+
+  NSWindow* browser_window = browser()->window()->GetNativeWindow();
+  EXPECT_FALSE(NSEqualRects([controller_ sharingService:service.get()
+                                sourceFrameOnScreenForShareItem:url],
+                            NSZeroRect));
+  NSSharingContentScope scope = NSSharingContentScopeItem;
+  EXPECT_NSEQ([controller_ sharingService:service.get()
+                  sourceWindowForShareItems:@[ url ]
+                        sharingContentScope:&scope],
+              browser_window);
+  EXPECT_EQ(scope, NSSharingContentScopeFull);
+  NSRect contentRect;
+  EXPECT_FALSE([controller_ sharingService:service.get()
+                   transitionImageForShareItem:url
+                                   contentRect:&contentRect] == nil);
+}