author | Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com> |
Mon, 04 Oct 2010 01:32:07 +0300 | |
changeset 2 | 303757a437d3 |
parent 0 | 4f2f89ce4247 |
permissions | -rw-r--r-- |
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/* |
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* Copyright (C) 2006, 2007 Apple Inc. All rights reserved. |
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* |
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* This library is free software; you can redistribute it and/or |
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* modify it under the terms of the GNU Library General Public |
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* License as published by the Free Software Foundation; either |
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* version 2 of the License, or (at your option) any later version. |
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* |
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* This library is distributed in the hope that it will be useful, |
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* but WITHOUT ANY WARRANTY; without even the implied warranty of |
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
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* Library General Public License for more details. |
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* |
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* You should have received a copy of the GNU Library General Public License |
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* along with this library; see the file COPYING.LIB. If not, write to |
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* the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, |
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* Boston, MA 02110-1301, USA. |
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* |
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*/ |
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#include "config.h" |
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#include "RenderFileUploadControl.h" |
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#include "Chrome.h" |
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#include "FileList.h" |
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#include "Frame.h" |
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#include "FrameView.h" |
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#include "GraphicsContext.h" |
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#include "HTMLInputElement.h" |
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#include "HTMLNames.h" |
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#include "ShadowElement.h" |
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#include "Icon.h" |
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#include "LocalizedStrings.h" |
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#include "Page.h" |
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#include "RenderButton.h" |
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#include "RenderText.h" |
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#include "RenderTheme.h" |
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#include "RenderView.h" |
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#include <math.h> |
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using namespace std; |
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namespace WebCore { |
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using namespace HTMLNames; |
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const int afterButtonSpacing = 4; |
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const int iconHeight = 16; |
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const int iconWidth = 16; |
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const int iconFilenameSpacing = 2; |
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const int defaultWidthNumChars = 34; |
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const int buttonShadowHeight = 2; |
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RenderFileUploadControl::RenderFileUploadControl(HTMLInputElement* input) |
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: RenderBlock(input) |
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{ |
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FileList* list = input->files(); |
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Vector<String> filenames; |
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unsigned length = list ? list->length() : 0; |
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for (unsigned i = 0; i < length; ++i) |
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filenames.append(list->item(i)->path()); |
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m_fileChooser = FileChooser::create(this, filenames); |
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} |
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RenderFileUploadControl::~RenderFileUploadControl() |
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{ |
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if (m_button) |
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m_button->detach(); |
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m_fileChooser->disconnectClient(); |
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} |
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void RenderFileUploadControl::styleDidChange(StyleDifference diff, const RenderStyle* oldStyle) |
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{ |
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RenderBlock::styleDidChange(diff, oldStyle); |
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if (m_button) |
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m_button->renderer()->setStyle(createButtonStyle(style())); |
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setReplaced(isInline()); |
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} |
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void RenderFileUploadControl::valueChanged() |
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{ |
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// dispatchFormControlChangeEvent may destroy this renderer |
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RefPtr<FileChooser> fileChooser = m_fileChooser; |
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HTMLInputElement* inputElement = static_cast<HTMLInputElement*>(node()); |
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inputElement->setFileListFromRenderer(fileChooser->filenames()); |
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inputElement->dispatchFormControlChangeEvent(); |
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// only repaint if it doesn't seem we have been destroyed |
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if (!fileChooser->disconnected()) |
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repaint(); |
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} |
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bool RenderFileUploadControl::allowsMultipleFiles() |
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{ |
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#if ENABLE(DIRECTORY_UPLOAD) |
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if (allowsDirectoryUpload()) |
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return true; |
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#endif |
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HTMLInputElement* input = static_cast<HTMLInputElement*>(node()); |
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return !input->getAttribute(multipleAttr).isNull(); |
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104 |
} |
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105 |
|
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#if ENABLE(DIRECTORY_UPLOAD) |
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bool RenderFileUploadControl::allowsDirectoryUpload() |
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108 |
{ |
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HTMLInputElement* input = static_cast<HTMLInputElement*>(node()); |
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return !input->getAttribute(webkitdirectoryAttr).isNull(); |
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111 |
} |
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#endif |
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113 |
|
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String RenderFileUploadControl::acceptTypes() |
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115 |
{ |
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return static_cast<HTMLInputElement*>(node())->accept(); |
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} |
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118 |
|
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void RenderFileUploadControl::chooseIconForFiles(FileChooser* chooser, const Vector<String>& filenames) |
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120 |
{ |
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if (Chrome* chromePointer = chrome()) |
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chromePointer->chooseIconForFiles(filenames, chooser); |
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} |
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124 |
|
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void RenderFileUploadControl::click() |
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126 |
{ |
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if (Chrome* chromePointer = chrome()) |
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chromePointer->runOpenPanel(node()->document()->frame(), m_fileChooser); |
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} |
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130 |
|
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Chrome* RenderFileUploadControl::chrome() const |
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132 |
{ |
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Frame* frame = node()->document()->frame(); |
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if (!frame) |
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return 0; |
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Page* page = frame->page(); |
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if (!page) |
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return 0; |
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return page->chrome(); |
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140 |
} |
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141 |
|
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void RenderFileUploadControl::updateFromElement() |
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143 |
{ |
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HTMLInputElement* inputElement = static_cast<HTMLInputElement*>(node()); |
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ASSERT(inputElement->inputType() == HTMLInputElement::FILE); |
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146 |
|
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if (!m_button) { |
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m_button = ShadowInputElement::create(inputElement); |
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m_button->setInputType("button"); |
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m_button->setValue(fileButtonChooseFileLabel()); |
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RefPtr<RenderStyle> buttonStyle = createButtonStyle(style()); |
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RenderObject* renderer = m_button->createRenderer(renderArena(), buttonStyle.get()); |
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m_button->setRenderer(renderer); |
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renderer->setStyle(buttonStyle.release()); |
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renderer->updateFromElement(); |
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m_button->setAttached(); |
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m_button->setInDocument(); |
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158 |
|
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addChild(renderer); |
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} |
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161 |
|
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m_button->setDisabled(!theme()->isEnabled(this)); |
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163 |
|
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// This only supports clearing out the files, but that's OK because for |
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// security reasons that's the only change the DOM is allowed to make. |
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FileList* files = inputElement->files(); |
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ASSERT(files); |
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if (files && files->isEmpty() && !m_fileChooser->filenames().isEmpty()) { |
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m_fileChooser->clear(); |
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repaint(); |
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171 |
} |
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172 |
} |
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173 |
|
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int RenderFileUploadControl::maxFilenameWidth() const |
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175 |
{ |
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return max(0, contentWidth() - m_button->renderBox()->width() - afterButtonSpacing |
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- (m_fileChooser->icon() ? iconWidth + iconFilenameSpacing : 0)); |
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178 |
} |
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|
179 |
|
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PassRefPtr<RenderStyle> RenderFileUploadControl::createButtonStyle(const RenderStyle* parentStyle) const |
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181 |
{ |
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RefPtr<RenderStyle> style = getCachedPseudoStyle(FILE_UPLOAD_BUTTON); |
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183 |
if (!style) { |
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style = RenderStyle::create(); |
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if (parentStyle) |
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style->inheritFrom(parentStyle); |
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187 |
} |
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188 |
|
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189 |
// Button text will wrap on file upload controls with widths smaller than the intrinsic button width |
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190 |
// without this setWhiteSpace. |
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191 |
style->setWhiteSpace(NOWRAP); |
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192 |
|
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193 |
return style.release(); |
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194 |
} |
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195 |
|
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196 |
void RenderFileUploadControl::paintObject(PaintInfo& paintInfo, int tx, int ty) |
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197 |
{ |
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if (style()->visibility() != VISIBLE) |
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199 |
return; |
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200 |
ASSERT(m_fileChooser); |
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201 |
|
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202 |
// Push a clip. |
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203 |
if (paintInfo.phase == PaintPhaseForeground || paintInfo.phase == PaintPhaseChildBlockBackgrounds) { |
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204 |
IntRect clipRect(tx + borderLeft(), ty + borderTop(), |
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205 |
width() - borderLeft() - borderRight(), height() - borderBottom() - borderTop() + buttonShadowHeight); |
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206 |
if (clipRect.isEmpty()) |
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return; |
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paintInfo.context->save(); |
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paintInfo.context->clip(clipRect); |
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} |
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|
211 |
|
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if (paintInfo.phase == PaintPhaseForeground) { |
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const String& displayedFilename = fileTextValue(); |
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unsigned length = displayedFilename.length(); |
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const UChar* string = displayedFilename.characters(); |
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TextRun textRun(string, length, false, 0, 0, style()->direction() == RTL, style()->unicodeBidi() == Override); |
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217 |
|
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// Determine where the filename should be placed |
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int contentLeft = tx + borderLeft() + paddingLeft(); |
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int buttonAndIconWidth = m_button->renderBox()->width() + afterButtonSpacing |
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+ (m_fileChooser->icon() ? iconWidth + iconFilenameSpacing : 0); |
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int textX; |
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if (style()->direction() == LTR) |
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textX = contentLeft + buttonAndIconWidth; |
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else |
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textX = contentLeft + contentWidth() - buttonAndIconWidth - style()->font().width(textRun); |
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// We want to match the button's baseline |
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RenderButton* buttonRenderer = toRenderButton(m_button->renderer()); |
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int textY = buttonRenderer->absoluteBoundingBoxRect().y() |
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+ buttonRenderer->marginTop() + buttonRenderer->borderTop() + buttonRenderer->paddingTop() |
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+ buttonRenderer->baselinePosition(true, false); |
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|
232 |
|
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paintInfo.context->setFillColor(style()->visitedDependentColor(CSSPropertyColor), style()->colorSpace()); |
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|
234 |
|
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// Draw the filename |
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paintInfo.context->drawBidiText(style()->font(), textRun, IntPoint(textX, textY)); |
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|
237 |
|
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if (m_fileChooser->icon()) { |
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// Determine where the icon should be placed |
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int iconY = ty + borderTop() + paddingTop() + (contentHeight() - iconHeight) / 2; |
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|
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int iconX; |
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if (style()->direction() == LTR) |
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|
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iconX = contentLeft + m_button->renderBox()->width() + afterButtonSpacing; |
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244 |
else |
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iconX = contentLeft + contentWidth() - m_button->renderBox()->width() - afterButtonSpacing - iconWidth; |
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|
246 |
|
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|
247 |
// Draw the file icon |
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|
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m_fileChooser->icon()->paint(paintInfo.context, IntRect(iconX, iconY, iconWidth, iconHeight)); |
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249 |
} |
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250 |
} |
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|
251 |
|
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|
252 |
// Paint the children. |
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|
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RenderBlock::paintObject(paintInfo, tx, ty); |
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|
254 |
|
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|
255 |
// Pop the clip. |
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|
256 |
if (paintInfo.phase == PaintPhaseForeground || paintInfo.phase == PaintPhaseChildBlockBackgrounds) |
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|
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paintInfo.context->restore(); |
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|
258 |
} |
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|
259 |
|
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260 |
void RenderFileUploadControl::calcPrefWidths() |
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|
261 |
{ |
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ASSERT(prefWidthsDirty()); |
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|
263 |
|
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|
264 |
m_minPrefWidth = 0; |
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m_maxPrefWidth = 0; |
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|
266 |
|
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|
267 |
if (style()->width().isFixed() && style()->width().value() > 0) |
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|
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m_minPrefWidth = m_maxPrefWidth = calcContentBoxWidth(style()->width().value()); |
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|
269 |
else { |
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|
270 |
// Figure out how big the filename space needs to be for a given number of characters |
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|
271 |
// (using "0" as the nominal character). |
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|
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const UChar ch = '0'; |
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|
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float charWidth = style()->font().floatWidth(TextRun(&ch, 1, false, 0, 0, false, false, false)); |
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|
274 |
m_maxPrefWidth = (int)ceilf(charWidth * defaultWidthNumChars); |
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|
275 |
} |
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|
276 |
|
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|
277 |
if (style()->minWidth().isFixed() && style()->minWidth().value() > 0) { |
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|
278 |
m_maxPrefWidth = max(m_maxPrefWidth, calcContentBoxWidth(style()->minWidth().value())); |
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|
279 |
m_minPrefWidth = max(m_minPrefWidth, calcContentBoxWidth(style()->minWidth().value())); |
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|
280 |
} else if (style()->width().isPercent() || (style()->width().isAuto() && style()->height().isPercent())) |
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|
281 |
m_minPrefWidth = 0; |
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|
282 |
else |
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|
283 |
m_minPrefWidth = m_maxPrefWidth; |
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|
284 |
|
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|
285 |
if (style()->maxWidth().isFixed() && style()->maxWidth().value() != undefinedLength) { |
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|
286 |
m_maxPrefWidth = min(m_maxPrefWidth, calcContentBoxWidth(style()->maxWidth().value())); |
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|
287 |
m_minPrefWidth = min(m_minPrefWidth, calcContentBoxWidth(style()->maxWidth().value())); |
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|
288 |
} |
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|
289 |
|
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|
290 |
int toAdd = borderAndPaddingWidth(); |
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Revision: 201037
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|
291 |
m_minPrefWidth += toAdd; |
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|
292 |
m_maxPrefWidth += toAdd; |
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|
293 |
|
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Revision: 201037
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|
294 |
setPrefWidthsDirty(false); |
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|
295 |
} |
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|
296 |
|
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|
297 |
void RenderFileUploadControl::receiveDroppedFiles(const Vector<String>& paths) |
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|
298 |
{ |
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Revision: 201037
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|
299 |
if (allowsMultipleFiles()) |
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|
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m_fileChooser->chooseFiles(paths); |
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|
301 |
else |
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|
302 |
m_fileChooser->chooseFile(paths[0]); |
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|
303 |
} |
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|
304 |
|
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Revision: 201037
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|
305 |
String RenderFileUploadControl::buttonValue() |
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|
306 |
{ |
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Revision: 201037
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|
307 |
if (!m_button) |
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return String(); |
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return m_button->value(); |
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} |
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String RenderFileUploadControl::fileTextValue() const |
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{ |
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return m_fileChooser->basenameForWidth(style()->font(), maxFilenameWidth()); |
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} |
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} // namespace WebCore |