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1 // Copyright (c) 2012 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 #ifndef CHROME_BROWSER_UI_WEBUI_OPTIONS2_CHROMEOS_CHANGE_PICTURE_OPTIONS_HANDLER
_H_ | |
6 #define CHROME_BROWSER_UI_WEBUI_OPTIONS2_CHROMEOS_CHANGE_PICTURE_OPTIONS_HANDLER
_H_ | |
7 | |
8 #include "base/memory/weak_ptr.h" | |
9 #include "chrome/browser/chromeos/options/take_photo_dialog.h" | |
10 #include "chrome/browser/image_decoder.h" | |
11 #include "chrome/browser/ui/webui/options2/options_ui.h" | |
12 #include "content/public/browser/notification_registrar.h" | |
13 #include "ui/base/dialogs/select_file_dialog.h" | |
14 #include "ui/gfx/image/image_skia.h" | |
15 #include "ui/gfx/native_widget_types.h" | |
16 | |
17 namespace base { | |
18 class DictionaryValue; | |
19 class ListValue; | |
20 } | |
21 | |
22 namespace chromeos { | |
23 namespace options { | |
24 | |
25 // ChromeOS user image options page UI handler. | |
26 class ChangePictureOptionsHandler : public ::options::OptionsPageUIHandler, | |
27 public ui::SelectFileDialog::Listener, | |
28 public TakePhotoDialog::Delegate, | |
29 public ImageDecoder::Delegate { | |
30 public: | |
31 ChangePictureOptionsHandler(); | |
32 virtual ~ChangePictureOptionsHandler(); | |
33 | |
34 // OptionsPageUIHandler implementation. | |
35 virtual void GetLocalizedValues( | |
36 base::DictionaryValue* localized_strings) OVERRIDE; | |
37 | |
38 // WebUIMessageHandler implementation. | |
39 virtual void RegisterMessages() OVERRIDE; | |
40 | |
41 private: | |
42 // Sends list of available default images to the page. | |
43 void SendDefaultImages(); | |
44 | |
45 // Sends current selection to the page. | |
46 void SendSelectedImage(); | |
47 | |
48 // Sends the profile image to the page. If |should_select| is true then | |
49 // the profile image element is selected. | |
50 void SendProfileImage(const gfx::ImageSkia& image, bool should_select); | |
51 | |
52 // Starts profile image update and shows the last downloaded profile image, | |
53 // if any, on the page. Shouldn't be called before |SendProfileImage|. | |
54 void UpdateProfileImage(); | |
55 | |
56 // Starts camera presence check. | |
57 void CheckCameraPresence(); | |
58 | |
59 // Updates UI with camera presence state. | |
60 void SetCameraPresent(bool present); | |
61 | |
62 // Opens a file selection dialog to choose user image from file. | |
63 void HandleChooseFile(const base::ListValue* args); | |
64 | |
65 // Opens the camera capture dialog. | |
66 void HandleTakePhoto(const base::ListValue* args); | |
67 | |
68 // Handles photo taken with WebRTC UI. | |
69 void HandlePhotoTaken(const base::ListValue* args); | |
70 | |
71 // Gets the list of available user images and sends it to the page. | |
72 void HandleGetAvailableImages(const base::ListValue* args); | |
73 | |
74 // Handles page initialized event. | |
75 void HandlePageInitialized(const base::ListValue* args); | |
76 | |
77 // Handles page shown event. | |
78 void HandlePageShown(const base::ListValue* args); | |
79 | |
80 // Selects one of the available images as user's. | |
81 void HandleSelectImage(const base::ListValue* args); | |
82 | |
83 // SelectFileDialog::Delegate implementation. | |
84 virtual void FileSelected( | |
85 const FilePath& path, | |
86 int index, void* params) OVERRIDE; | |
87 | |
88 // TakePhotoDialog::Delegate implementation. | |
89 virtual void OnPhotoAccepted(const gfx::ImageSkia& photo) OVERRIDE; | |
90 | |
91 // content::NotificationObserver implementation. | |
92 virtual void Observe(int type, | |
93 const content::NotificationSource& source, | |
94 const content::NotificationDetails& details) OVERRIDE; | |
95 | |
96 // Called when the camera presence check has been completed. | |
97 void OnCameraPresenceCheckDone(); | |
98 | |
99 // Returns handle to browser window or NULL if it can't be found. | |
100 gfx::NativeWindow GetBrowserWindow() const; | |
101 | |
102 // Overriden from ImageDecoder::Delegate: | |
103 virtual void OnImageDecoded(const ImageDecoder* decoder, | |
104 const SkBitmap& decoded_image) OVERRIDE; | |
105 virtual void OnDecodeImageFailed(const ImageDecoder* decoder) OVERRIDE; | |
106 | |
107 scoped_refptr<ui::SelectFileDialog> select_file_dialog_; | |
108 | |
109 // Previous user image from camera/file and its data URL. | |
110 gfx::ImageSkia previous_image_; | |
111 std::string previous_image_data_url_; | |
112 | |
113 // Index of the previous user image. | |
114 int previous_image_index_; | |
115 | |
116 // Last user photo, if taken. | |
117 gfx::ImageSkia user_photo_; | |
118 | |
119 // Data URL for |user_photo_|. | |
120 std::string user_photo_data_url_; | |
121 | |
122 content::NotificationRegistrar registrar_; | |
123 | |
124 base::WeakPtrFactory<ChangePictureOptionsHandler> weak_factory_; | |
125 | |
126 // Last ImageDecoder instance used to decode an image blob received by | |
127 // HandlePhotoTaken. | |
128 scoped_refptr<ImageDecoder> image_decoder_; | |
129 | |
130 DISALLOW_COPY_AND_ASSIGN(ChangePictureOptionsHandler); | |
131 }; | |
132 | |
133 } // namespace options | |
134 } // namespace chromeos | |
135 | |
136 #endif // CHROME_BROWSER_UI_WEBUI_OPTIONS2_CHROMEOS_CHANGE_PICTURE_OPTIONS_HAND
LER_H_ | |
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