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_BROWSER_UI_COCOA_EXTENSIONS_EXTENSION_VIEW_MAC_H_ 6 #define CHROME_BROWSER_UI_COCOA_EXTENSIONS_EXTENSION_VIEW_MAC_H_ 7 #pragma once 8 9 #include "base/basictypes.h" 10 #include "third_party/skia/include/core/SkBitmap.h" 11 #include "ui/gfx/native_widget_types.h" 12 #include "ui/gfx/size.h" 13 14 class Browser; 15 class ExtensionHost; 16 class RenderViewHost; 17 class RenderWidgetHostViewMac; 18 class SkBitmap; 19 20 // This class represents extension views. An extension view internally contains 21 // a bridge to an extension process, which draws to the extension view's 22 // native view object through IPC. 23 class ExtensionViewMac { 24 public: 25 ExtensionViewMac(ExtensionHost* extension_host, Browser* browser); 26 ~ExtensionViewMac(); 27 28 // Starts the extension process and creates the native view. You must call 29 // this method before calling any of this class's other methods. 30 void Init(); 31 32 // Returns the extension's native view. 33 gfx::NativeView native_view(); 34 35 // Returns the browser the extension belongs to. browser()36 Browser* browser() const { return browser_; } 37 38 // Does this extension live as a toolstrip in an extension shelf? is_toolstrip()39 bool is_toolstrip() const { return is_toolstrip_; } set_is_toolstrip(bool is_toolstrip)40 void set_is_toolstrip(bool is_toolstrip) { is_toolstrip_ = is_toolstrip; } 41 42 // Sets the extensions's background image. 43 void SetBackground(const SkBitmap& background); 44 45 // Method for the ExtensionHost to notify us about the correct size for 46 // extension contents. 47 void UpdatePreferredSize(const gfx::Size& new_size); 48 49 // Method for the ExtensionHost to notify us when the RenderViewHost has a 50 // connection. 51 void RenderViewCreated(); 52 53 // Informs the view that its containing window's frame changed. 54 void WindowFrameChanged(); 55 56 // The minimum/maximum dimensions of the popup. 57 // The minimum is just a little larger than the size of the button itself. 58 // The maximum is an arbitrary number that should be smaller than most 59 // screens. 60 static const CGFloat kMinWidth; 61 static const CGFloat kMinHeight; 62 static const CGFloat kMaxWidth; 63 static const CGFloat kMaxHeight; 64 65 private: 66 RenderViewHost* render_view_host() const; 67 68 void CreateWidgetHostView(); 69 70 // True if the contents are being displayed inside the extension shelf. 71 bool is_toolstrip_; 72 73 Browser* browser_; // weak 74 75 ExtensionHost* extension_host_; // weak 76 77 // Created by us, but owned by its |native_view()|. We |release| the 78 // rwhv's native view in our destructor, effectively freeing this. 79 RenderWidgetHostViewMac* render_widget_host_view_; 80 81 // The background the view should have once it is initialized. This is set 82 // when the view has a custom background, but hasn't been initialized yet. 83 SkBitmap pending_background_; 84 85 DISALLOW_COPY_AND_ASSIGN(ExtensionViewMac); 86 }; 87 88 #endif // CHROME_BROWSER_UI_COCOA_EXTENSIONS_EXTENSION_VIEW_MAC_H_ 89