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// Copyright 2013 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "base/strings/sys_string_conversions.h"
#import "content/browser/renderer_host/render_widget_host_view_mac_dictionary_helper.h"
#import "content/browser/renderer_host/render_widget_host_view_mac.h"
namespace content {
RenderWidgetHostViewMacDictionaryHelper::
RenderWidgetHostViewMacDictionaryHelper(RenderWidgetHostView* view)
: view_(static_cast<RenderWidgetHostViewMac*>(view)),
target_view_(static_cast<RenderWidgetHostViewMac*>(view)) {
}
void RenderWidgetHostViewMacDictionaryHelper::SetTargetView(
RenderWidgetHostView* target_view) {
target_view_ = static_cast<RenderWidgetHostViewMac*>(target_view);
}
void RenderWidgetHostViewMacDictionaryHelper::ShowDefinitionForSelection() {
NSRange selection_range = [view_->cocoa_view() selectedRange];
NSAttributedString* attr_string =
[view_->cocoa_view() attributedSubstringForProposedRange:selection_range
actualRange:nil];
if (!attr_string) {
if (view_->selected_text().empty())
return;
// The PDF plugin does not support getting the attributed string. Until it
// does, use NSPerformService(), which opens Dictionary.app.
// http://crbug.com/152438
// TODO(asvitkine): This should be removed after the above support is added.
NSString* text = base::SysUTF8ToNSString(view_->selected_text());
NSPasteboard* pasteboard = [NSPasteboard pasteboardWithUniqueName];
NSArray* types = [NSArray arrayWithObject:NSStringPboardType];
[pasteboard declareTypes:types owner:nil];
if ([pasteboard setString:text forType:NSStringPboardType])
NSPerformService(@"Look Up in Dictionary", pasteboard);
return;
}
NSRect rect =
[view_->cocoa_view() firstViewRectForCharacterRange:selection_range
actualRange:nil];
NSDictionary* attrs = [attr_string attributesAtIndex:0 effectiveRange:nil];
NSFont* font = [attrs objectForKey:NSFontAttributeName];
rect.origin.y += NSHeight(rect) - [font ascender];
rect.origin.x += offset_.x();
rect.origin.y += offset_.y();
[target_view_->cocoa_view() showDefinitionForAttributedString:attr_string
atPoint:rect.origin];
}
} // namespace content
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