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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 #include "chrome/browser/ui/cocoa/extension_view_mac.h" | |
| 6 | |
| 7 #include "chrome/browser/extensions/extension_host.h" | |
| 8 #include "chrome/browser/renderer_host/render_view_host.h" | |
| 9 #include "chrome/browser/renderer_host/render_widget_host_view_mac.h" | |
| 10 | |
| 11 // The minimum/maximum dimensions of the popup. | |
| 12 const CGFloat ExtensionViewMac::kMinWidth = 25.0; | |
| 13 const CGFloat ExtensionViewMac::kMinHeight = 25.0; | |
| 14 const CGFloat ExtensionViewMac::kMaxWidth = 800.0; | |
| 15 const CGFloat ExtensionViewMac::kMaxHeight = 600.0; | |
| 16 | |
| 17 ExtensionViewMac::ExtensionViewMac(ExtensionHost* extension_host, | |
| 18 Browser* browser) | |
| 19 : is_toolstrip_(true), | |
| 20 browser_(browser), | |
| 21 extension_host_(extension_host), | |
| 22 render_widget_host_view_(NULL) { | |
| 23 DCHECK(extension_host_); | |
| 24 } | |
| 25 | |
| 26 ExtensionViewMac::~ExtensionViewMac() { | |
| 27 if (render_widget_host_view_) | |
| 28 [render_widget_host_view_->native_view() release]; | |
| 29 } | |
| 30 | |
| 31 void ExtensionViewMac::Init() { | |
| 32 CreateWidgetHostView(); | |
| 33 } | |
| 34 | |
| 35 gfx::NativeView ExtensionViewMac::native_view() { | |
| 36 DCHECK(render_widget_host_view_); | |
| 37 return render_widget_host_view_->native_view(); | |
| 38 } | |
| 39 | |
| 40 RenderViewHost* ExtensionViewMac::render_view_host() const { | |
| 41 return extension_host_->render_view_host(); | |
| 42 } | |
| 43 | |
| 44 void ExtensionViewMac::SetBackground(const SkBitmap& background) { | |
| 45 DCHECK(render_widget_host_view_); | |
| 46 if (render_view_host()->IsRenderViewLive()) { | |
| 47 render_widget_host_view_->SetBackground(background); | |
| 48 } else { | |
| 49 pending_background_ = background; | |
| 50 } | |
| 51 } | |
| 52 | |
| 53 void ExtensionViewMac::UpdatePreferredSize(const gfx::Size& new_size) { | |
| 54 // TODO(thakis, erikkay): Windows does some tricks to resize the extension | |
| 55 // view not before it's visible. Do something similar here. | |
| 56 | |
| 57 // No need to use CA here, our caller calls us repeatedly to animate the | |
| 58 // resizing. | |
| 59 NSView* view = native_view(); | |
| 60 NSRect frame = [view frame]; | |
| 61 frame.size.width = new_size.width(); | |
| 62 frame.size.height = new_size.height(); | |
| 63 | |
| 64 // On first display of some extensions, this function is called with zero | |
| 65 // width after the correct size has been set. Bail if zero is seen, assuming | |
| 66 // that an extension's view doesn't want any dimensions to ever be zero. | |
| 67 // TODO(andybons): Verify this assumption and look into WebCore's | |
| 68 // |contentesPreferredWidth| to see why this is occurring. | |
| 69 if (NSIsEmptyRect(frame)) | |
| 70 return; | |
| 71 | |
| 72 DCHECK([view isKindOfClass:[RenderWidgetHostViewCocoa class]]); | |
| 73 RenderWidgetHostViewCocoa* hostView = (RenderWidgetHostViewCocoa*)view; | |
| 74 | |
| 75 // RenderWidgetHostViewCocoa overrides setFrame but not setFrameSize. | |
| 76 // We need to defer the update back to the RenderWidgetHost so we don't | |
| 77 // get the flickering effect on 10.5 of http://crbug.com/31970 | |
| 78 [hostView setFrameWithDeferredUpdate:frame]; | |
| 79 [hostView setNeedsDisplay:YES]; | |
| 80 } | |
| 81 | |
| 82 void ExtensionViewMac::RenderViewCreated() { | |
| 83 // Do not allow webkit to draw scroll bars on views smaller than | |
| 84 // the largest size view allowed. The view will be resized to make | |
| 85 // scroll bars unnecessary. Scroll bars change the height of the | |
| 86 // view, so not drawing them is necessary to avoid infinite resizing. | |
| 87 gfx::Size largest_popup_size( | |
| 88 CGSizeMake(ExtensionViewMac::kMaxWidth, ExtensionViewMac::kMaxHeight)); | |
| 89 extension_host_->DisableScrollbarsForSmallWindows(largest_popup_size); | |
| 90 | |
| 91 if (!pending_background_.empty() && render_view_host()->view()) { | |
| 92 render_widget_host_view_->SetBackground(pending_background_); | |
| 93 pending_background_.reset(); | |
| 94 } | |
| 95 } | |
| 96 | |
| 97 void ExtensionViewMac::WindowFrameChanged() { | |
| 98 if (render_widget_host_view_) | |
| 99 render_widget_host_view_->WindowFrameChanged(); | |
| 100 } | |
| 101 | |
| 102 void ExtensionViewMac::CreateWidgetHostView() { | |
| 103 DCHECK(!render_widget_host_view_); | |
| 104 render_widget_host_view_ = new RenderWidgetHostViewMac(render_view_host()); | |
| 105 | |
| 106 // The RenderWidgetHostViewMac is owned by its native view, which is created | |
| 107 // in an autoreleased state. retain it, so that it doesn't immediately | |
| 108 // disappear. | |
| 109 [render_widget_host_view_->native_view() retain]; | |
| 110 | |
| 111 extension_host_->CreateRenderViewSoon(render_widget_host_view_); | |
| 112 } | |
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