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| 1 // Copyright (c) 2010 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_FRAME_INFOBARS_INFOBAR_CONTENT_H_ | |
| 6 #define CHROME_FRAME_INFOBARS_INFOBAR_CONTENT_H_ | |
| 7 | |
| 8 #include <windows.h> | |
| 9 | |
| 10 // Provides an interface between content to be displayed in an infobar and the | |
| 11 // infobar facility. Pass an instance of your implementation to | |
| 12 // InfobarManager::Show, which will result in a call to InstallInFrame to | |
| 13 // initialize the InfobarContent. | |
| 14 // | |
| 15 // The instance will be deleted by the infobar facility when it is no longer | |
| 16 // being displayed (or immediately, in the case of a failure to display). | |
| 17 class InfobarContent { | |
| 18 public: | |
| 19 // Provides access to the content's parent window and allows the | |
| 20 // InfobarContent to close itself, such as in response to user interaction. | |
| 21 class Frame { | |
| 22 public: | |
| 23 virtual ~Frame() {} | |
| 24 | |
| 25 // Returns the window in which the content should display itself. | |
| 26 virtual HWND GetFrameWindow() = 0; | |
| 27 | |
| 28 // Initiates closing of the infobar. | |
| 29 virtual void CloseInfobar() = 0; | |
| 30 }; // class Frame | |
| 31 | |
| 32 virtual ~InfobarContent() {} | |
| 33 | |
| 34 // Prepares the content to display in the provided frame. | |
| 35 // | |
| 36 // The frame pointer remains valid until the InfobarContent instance is | |
| 37 // deleted. | |
| 38 virtual bool InstallInFrame(Frame* frame) = 0; | |
| 39 | |
| 40 // Provides the content with the dimensions available to it for display. | |
| 41 // Dimensions are relative to the origin of the frame window. | |
| 42 virtual void SetDimensions(const RECT& dimensions) = 0; | |
| 43 | |
| 44 // Finds the desired value for one dimension given a fixed value for the other | |
| 45 // dimension. The fixed dimension parameter is non-zero whereas the requested | |
| 46 // dimension parameter will be zero. | |
| 47 virtual size_t GetDesiredSize(size_t width, size_t height) = 0; | |
| 48 }; // class InfobarContent | |
| 49 | |
| 50 #endif // CHROME_FRAME_INFOBARS_INFOBAR_CONTENT_H_ | |
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