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1 // Copyright 2016 The Chromium Authors. All rights reserved. | |
2 // Use of this source code is governed by a BSD-style license that can be | |
3 // found in the LICENSE file. | |
4 | |
5 // ====== New Architecture ===== | |
6 // = This code is only used in the new iOS Chrome architecture. = | |
7 // ============================================================================ | |
8 | |
9 #import "ios/chrome/app/steps/tab_grid_coordinator+application_step.h" | |
10 | |
11 #import "base/supports_user_data.h" | |
12 #import "ios/chrome/app/application_state.h" | |
13 #import "ios/chrome/browser/browser_coordinator+internal.h" | |
14 | |
15 #if !defined(__has_feature) || !__has_feature(objc_arc) | |
16 #error "This file requires ARC support." | |
17 #endif | |
18 | |
19 namespace { | |
20 // SupportsUserData storage container for a BrowserCoordinator object, which | |
21 // keeps a strong reference to the object it is initialized with. | |
22 class RootCoordinatorContainer : public base::SupportsUserData::Data { | |
23 public: | |
24 explicit RootCoordinatorContainer(BrowserCoordinator* coordinator) | |
25 : coordinator_(coordinator) {} | |
26 | |
27 private: | |
28 // Mark this variable unused to avoid a compiler warning; the compiler | |
29 // doesn't have visibility into the ARC-injected retain/release. | |
30 BrowserCoordinator* __attribute__((unused)) coordinator_; | |
31 }; | |
32 | |
33 const char kRootCoordinatorContainerKey[] = "root_coordinator"; | |
34 } // namespace | |
35 | |
36 @interface StopTabGridCoordinator : NSObject<ApplicationStep> | |
37 @end | |
38 | |
39 @implementation TabGridCoordinator (ApplicationStep) | |
40 | |
41 - (BOOL)canRunInState:(ApplicationState*)state { | |
42 return [state.window isKeyWindow] && state.phase == APPLICATION_FOREGROUNDED; | |
43 } | |
44 | |
45 - (void)runInState:(ApplicationState*)state { | |
46 self.browserState = state.browserState; | |
47 [self start]; | |
48 | |
49 state.window.rootViewController = self.viewController; | |
50 | |
51 // Size the main view controller to fit the whole screen. | |
52 [self.viewController.view setFrame:state.window.bounds]; | |
53 | |
54 // Tell the application state to use this object to open URLs. | |
55 state.URLOpener = self; | |
56 | |
57 // Show the window. | |
58 state.window.hidden = NO; | |
59 | |
60 // Make sure this object stays alive. | |
61 state.persistentState->SetUserData(kRootCoordinatorContainerKey, | |
62 new RootCoordinatorContainer(self)); | |
63 | |
64 // Add a termination step to remove this object. | |
65 [[state terminationSteps] addObject:[[StopTabGridCoordinator alloc] init]]; | |
66 } | |
67 | |
68 @end | |
69 | |
70 @implementation StopTabGridCoordinator | |
71 | |
72 - (BOOL)canRunInState:(ApplicationState*)state { | |
73 return state.phase = APPLICATION_TERMINATING; | |
74 } | |
75 | |
76 - (void)runInState:(ApplicationState*)state { | |
77 state.persistentState->RemoveUserData(kRootCoordinatorContainerKey); | |
78 } | |
79 | |
80 @end | |
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