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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 "base/values.h" |
| 12 #include "chrome/browser/extensions/extension_function.h" |
| 13 #include "content/browser/tab_contents/tab_contents_observer.h" |
| 14 #include "content/common/notification_observer.h" |
| 15 #include "content/common/notification_registrar.h" |
| 16 |
| 17 class BackingStore; |
| 18 class SkBitmap; |
| 19 class TabContents; |
| 20 class TabContentsWrapper; |
| 21 |
| 22 namespace base { |
| 23 class DictionaryValue; |
| 24 class ListValue; |
| 25 } |
| 26 |
| 27 class CreateOffscreenTabFunction : public SyncExtensionFunction { |
| 28 public: |
| 29 CreateOffscreenTabFunction(); |
| 30 virtual ~CreateOffscreenTabFunction(); |
| 31 virtual bool RunImpl() OVERRIDE; |
| 32 |
| 33 private: |
| 34 DECLARE_EXTENSION_FUNCTION_NAME("experimental.offscreenTabs.create") |
| 35 DISALLOW_COPY_AND_ASSIGN(CreateOffscreenTabFunction); |
| 36 }; |
| 37 |
| 38 class GetOffscreenTabFunction : public SyncExtensionFunction { |
| 39 public: |
| 40 GetOffscreenTabFunction(); |
| 41 virtual ~GetOffscreenTabFunction(); |
| 42 virtual bool RunImpl() OVERRIDE; |
| 43 |
| 44 private: |
| 45 DECLARE_EXTENSION_FUNCTION_NAME("experimental.offscreenTabs.get") |
| 46 DISALLOW_COPY_AND_ASSIGN(GetOffscreenTabFunction); |
| 47 }; |
| 48 |
| 49 class GetAllOffscreenTabFunction : public SyncExtensionFunction { |
| 50 public: |
| 51 GetAllOffscreenTabFunction(); |
| 52 virtual ~GetAllOffscreenTabFunction(); |
| 53 virtual bool RunImpl() OVERRIDE; |
| 54 |
| 55 private: |
| 56 DECLARE_EXTENSION_FUNCTION_NAME("experimental.offscreenTabs.getAll") |
| 57 DISALLOW_COPY_AND_ASSIGN(GetAllOffscreenTabFunction); |
| 58 }; |
| 59 |
| 60 class RemoveOffscreenTabFunction : public SyncExtensionFunction { |
| 61 public: |
| 62 RemoveOffscreenTabFunction(); |
| 63 virtual ~RemoveOffscreenTabFunction(); |
| 64 virtual bool RunImpl() OVERRIDE; |
| 65 |
| 66 private: |
| 67 DECLARE_EXTENSION_FUNCTION_NAME("experimental.offscreenTabs.remove") |
| 68 DISALLOW_COPY_AND_ASSIGN(RemoveOffscreenTabFunction); |
| 69 }; |
| 70 |
| 71 class SendKeyboardEventOffscreenTabFunction : public SyncExtensionFunction { |
| 72 public: |
| 73 SendKeyboardEventOffscreenTabFunction(); |
| 74 virtual ~SendKeyboardEventOffscreenTabFunction(); |
| 75 virtual bool RunImpl() OVERRIDE; |
| 76 |
| 77 private: |
| 78 DECLARE_EXTENSION_FUNCTION_NAME( |
| 79 "experimental.offscreenTabs.sendKeyboardEvent") |
| 80 DISALLOW_COPY_AND_ASSIGN(SendKeyboardEventOffscreenTabFunction); |
| 81 }; |
| 82 |
| 83 class SendMouseEventOffscreenTabFunction : public SyncExtensionFunction { |
| 84 public: |
| 85 SendMouseEventOffscreenTabFunction(); |
| 86 virtual ~SendMouseEventOffscreenTabFunction(); |
| 87 virtual bool RunImpl() OVERRIDE; |
| 88 |
| 89 private: |
| 90 DECLARE_EXTENSION_FUNCTION_NAME("experimental.offscreenTabs.sendMouseEvent") |
| 91 DISALLOW_COPY_AND_ASSIGN(SendMouseEventOffscreenTabFunction); |
| 92 }; |
| 93 |
| 94 class ToDataUrlOffscreenTabFunction : public AsyncExtensionFunction, |
| 95 public NotificationObserver { |
| 96 public: |
| 97 ToDataUrlOffscreenTabFunction(); |
| 98 virtual ~ToDataUrlOffscreenTabFunction(); |
| 99 virtual bool RunImpl() OVERRIDE; |
| 100 |
| 101 private: |
| 102 enum ImageFormat { |
| 103 FORMAT_JPEG, |
| 104 FORMAT_PNG |
| 105 }; |
| 106 |
| 107 // The default quality setting used when encoding jpegs. |
| 108 static const int kDefaultQuality = 90; |
| 109 virtual bool CaptureSnapshotFromBackingStore(BackingStore* backing_store); |
| 110 virtual void Observe(const int type, |
| 111 const NotificationSource& source, |
| 112 const NotificationDetails& details) OVERRIDE; |
| 113 virtual void SendResultFromBitmap(const SkBitmap& screen_capture); |
| 114 |
| 115 NotificationRegistrar registrar_; |
| 116 |
| 117 // The format (JPEG vs PNG) of the resulting image. Set in RunImpl(). |
| 118 ImageFormat image_format_; |
| 119 |
| 120 // Quality setting to use when encoding jpegs. Set in RunImpl(). |
| 121 int image_quality_; |
| 122 |
| 123 DECLARE_EXTENSION_FUNCTION_NAME("experimental.offscreenTabs.toDataUrl") |
| 124 DISALLOW_COPY_AND_ASSIGN(ToDataUrlOffscreenTabFunction); |
| 125 }; |
| 126 |
| 127 class UpdateOffscreenTabFunction : public AsyncExtensionFunction, |
| 128 public TabContentsObserver { |
| 129 public: |
| 130 UpdateOffscreenTabFunction(); |
| 131 virtual ~UpdateOffscreenTabFunction(); |
| 132 virtual bool RunImpl() OVERRIDE; |
| 133 |
| 134 private: |
| 135 virtual bool OnMessageReceived(const IPC::Message& message); |
| 136 void OnExecuteCodeFinished(int request_id, |
| 137 bool success, |
| 138 const std::string& error); |
| 139 |
| 140 DECLARE_EXTENSION_FUNCTION_NAME("experimental.offscreenTabs.update") |
| 141 DISALLOW_COPY_AND_ASSIGN(UpdateOffscreenTabFunction); |
| 142 }; |
| 143 |
| 144 #endif // CHROME_BROWSER_EXTENSIONS_EXTENSION_OFFSCREEN_TABS_MODULE_H__ |
| 145 |
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