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| 1 // Copyright (c) 2011 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_EXTENSIONS_EXTENSION_OFFSCREEN_TABS_MODULE_H__ |
| 6 #define CHROME_BROWSER_EXTENSIONS_EXTENSION_OFFSCREEN_TABS_MODULE_H__ |
| 7 #pragma once |
| 8 |
| 9 #include <string> |
| 10 |
| 11 #include "chrome/browser/extensions/extension_function.h" |
| 12 #include "content/browser/tab_contents/tab_contents_observer.h" |
| 13 #include "content/common/notification_observer.h" |
| 14 #include "content/common/notification_registrar.h" |
| 15 |
| 16 class BackingStore; |
| 17 class Browser; |
| 18 class SkBitmap; |
| 19 class TabContents; |
| 20 class TabContentsWrapper; |
| 21 class TabStripModel; |
| 22 |
| 23 namespace base { |
| 24 class DictionaryValue; |
| 25 class ListValue; |
| 26 } |
| 27 |
| 28 class OffscreenTabsEventManager : public NotificationObserver { |
| 29 public: |
| 30 virtual ~OffscreenTabsEventManager() {} |
| 31 void RegisterForTabNotifications(const TabContents* contents); |
| 32 void UnregisterForTabNotifications(const TabContents* contents); |
| 33 private: |
| 34 virtual void Observe(const int type, |
| 35 const NotificationSource& source, |
| 36 const NotificationDetails& details); |
| 37 NotificationRegistrar registrar_; |
| 38 }; |
| 39 class CreateOffscreenTabFunction : public SyncExtensionFunction { |
| 40 virtual ~CreateOffscreenTabFunction() {} |
| 41 virtual bool RunImpl(); |
| 42 DECLARE_EXTENSION_FUNCTION_NAME("experimental.offscreenTabs.create") |
| 43 }; |
| 44 class GetOffscreenTabFunction : public SyncExtensionFunction { |
| 45 virtual ~GetOffscreenTabFunction() {} |
| 46 virtual bool RunImpl(); |
| 47 DECLARE_EXTENSION_FUNCTION_NAME("experimental.offscreenTabs.get") |
| 48 }; |
| 49 class GetAllOffscreenTabFunction : public SyncExtensionFunction { |
| 50 virtual ~GetAllOffscreenTabFunction() {} |
| 51 virtual bool RunImpl(); |
| 52 DECLARE_EXTENSION_FUNCTION_NAME("experimental.offscreenTabs.getAll") |
| 53 }; |
| 54 class RemoveOffscreenTabFunction : public SyncExtensionFunction { |
| 55 virtual ~RemoveOffscreenTabFunction() {} |
| 56 virtual bool RunImpl(); |
| 57 DECLARE_EXTENSION_FUNCTION_NAME("experimental.offscreenTabs.remove") |
| 58 }; |
| 59 class SendKeyboardEventOffscreenTabFunction : public SyncExtensionFunction { |
| 60 virtual ~SendKeyboardEventOffscreenTabFunction() {} |
| 61 virtual bool RunImpl(); |
| 62 DECLARE_EXTENSION_FUNCTION_NAME( |
| 63 "experimental.offscreenTabs.sendKeyboardEvent") |
| 64 }; |
| 65 class SendMouseEventOffscreenTabFunction : public SyncExtensionFunction { |
| 66 virtual ~SendMouseEventOffscreenTabFunction() {} |
| 67 virtual bool RunImpl(); |
| 68 DECLARE_EXTENSION_FUNCTION_NAME("experimental.offscreenTabs.sendMouseEvent") |
| 69 }; |
| 70 class ToDataUrlOffscreenTabFunction : public AsyncExtensionFunction, |
| 71 public NotificationObserver { |
| 72 private: |
| 73 enum ImageFormat { |
| 74 FORMAT_JPEG, |
| 75 FORMAT_PNG |
| 76 }; |
| 77 |
| 78 // The default quality setting used when encoding jpegs. |
| 79 static const int kDefaultQuality; |
| 80 |
| 81 virtual ~ToDataUrlOffscreenTabFunction() {} |
| 82 virtual bool RunImpl(); |
| 83 virtual bool CaptureSnapshotFromBackingStore(BackingStore* backing_store); |
| 84 virtual void Observe(const int type, |
| 85 const NotificationSource& source, |
| 86 const NotificationDetails& details); |
| 87 virtual void SendResultFromBitmap(const SkBitmap& screen_capture); |
| 88 |
| 89 NotificationRegistrar registrar_; |
| 90 |
| 91 // The format (JPEG vs PNG) of the resulting image. Set in RunImpl(). |
| 92 ImageFormat image_format_; |
| 93 |
| 94 // Quality setting to use when encoding jpegs. Set in RunImpl(). |
| 95 int image_quality_; |
| 96 |
| 97 DECLARE_EXTENSION_FUNCTION_NAME("experimental.offscreenTabs.toDataUrl") |
| 98 }; |
| 99 class UpdateOffscreenTabFunction : public AsyncExtensionFunction, |
| 100 public TabContentsObserver { |
| 101 public: |
| 102 UpdateOffscreenTabFunction(); |
| 103 private: |
| 104 virtual ~UpdateOffscreenTabFunction() {} |
| 105 virtual bool RunImpl(); |
| 106 virtual bool OnMessageReceived(const IPC::Message& message); |
| 107 void OnExecuteCodeFinished(int request_id, |
| 108 bool success, |
| 109 const std::string& error); |
| 110 DECLARE_EXTENSION_FUNCTION_NAME("experimental.offscreenTabs.update") |
| 111 }; |
| 112 |
| 113 #endif // CHROME_BROWSER_EXTENSIONS_EXTENSION_OFFSCREEN_TABS_MODULE_H__ |
| 114 |
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