407 lines
14 KiB
Plaintext
407 lines
14 KiB
Plaintext
// Copyright (c) 2012 The Chromium Embedded Framework Authors.
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// Portions copyright (c) 2012 The Chromium Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file.
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#include "libcef/browser/native/file_dialog_runner_mac.h"
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#import <Cocoa/Cocoa.h>
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#import <CoreServices/CoreServices.h>
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#include "libcef/browser/alloy/alloy_browser_host_impl.h"
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#include "base/mac/mac_util.h"
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#include "base/stl_util.h"
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#include "base/strings/string_split.h"
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#include "base/strings/string_util.h"
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#include "base/strings/sys_string_conversions.h"
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#include "base/strings/utf_string_conversions.h"
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#include "base/threading/thread_restrictions.h"
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#include "cef/grit/cef_strings.h"
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#include "chrome/grit/generated_resources.h"
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#include "net/base/mime_util.h"
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#include "ui/base/l10n/l10n_util.h"
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#include "ui/strings/grit/ui_strings.h"
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namespace {
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base::string16 GetDescriptionFromMimeType(const std::string& mime_type) {
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// Check for wild card mime types and return an appropriate description.
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static const struct {
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const char* mime_type;
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int string_id;
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} kWildCardMimeTypes[] = {
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{"audio", IDS_AUDIO_FILES},
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{"image", IDS_IMAGE_FILES},
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{"text", IDS_TEXT_FILES},
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{"video", IDS_VIDEO_FILES},
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};
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for (size_t i = 0; i < base::size(kWildCardMimeTypes); ++i) {
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if (mime_type == std::string(kWildCardMimeTypes[i].mime_type) + "/*")
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return l10n_util::GetStringUTF16(kWildCardMimeTypes[i].string_id);
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}
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return base::string16();
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}
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void AddFilters(NSPopUpButton* button,
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const std::vector<base::string16>& accept_filters,
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bool include_all_files,
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std::vector<std::vector<base::string16>>* all_extensions) {
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for (size_t i = 0; i < accept_filters.size(); ++i) {
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const base::string16& filter = accept_filters[i];
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if (filter.empty())
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continue;
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std::vector<base::string16> extensions;
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base::string16 description;
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size_t sep_index = filter.find('|');
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if (sep_index != std::string::npos) {
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// Treat as a filter of the form "Filter Name|.ext1;.ext2;.ext3".
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description = filter.substr(0, sep_index);
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const std::vector<base::string16>& ext = base::SplitString(
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filter.substr(sep_index + 1), base::ASCIIToUTF16(";"),
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base::TRIM_WHITESPACE, base::SPLIT_WANT_NONEMPTY);
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for (size_t x = 0; x < ext.size(); ++x) {
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const base::string16& file_ext = ext[x];
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if (!file_ext.empty() && file_ext[0] == '.')
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extensions.push_back(file_ext);
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}
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} else if (filter[0] == '.') {
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// Treat as an extension beginning with the '.' character.
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extensions.push_back(filter);
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} else {
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// Otherwise convert mime type to one or more extensions.
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const std::string& ascii = base::UTF16ToASCII(filter);
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std::vector<base::FilePath::StringType> ext;
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net::GetExtensionsForMimeType(ascii, &ext);
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if (!ext.empty()) {
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for (size_t x = 0; x < ext.size(); ++x)
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extensions.push_back(base::ASCIIToUTF16("." + ext[x]));
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description = GetDescriptionFromMimeType(ascii);
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}
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}
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if (extensions.empty())
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continue;
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// Don't display a crazy number of extensions since the NSPopUpButton width
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// will keep growing.
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const size_t kMaxExtensions = 10;
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base::string16 ext_str;
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for (size_t x = 0; x < std::min(kMaxExtensions, extensions.size()); ++x) {
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const base::string16& pattern = base::ASCIIToUTF16("*") + extensions[x];
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if (x != 0)
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ext_str += base::ASCIIToUTF16(";");
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ext_str += pattern;
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}
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if (extensions.size() > kMaxExtensions)
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ext_str += base::ASCIIToUTF16(";...");
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if (description.empty()) {
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description = ext_str;
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} else {
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description +=
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base::ASCIIToUTF16(" (") + ext_str + base::ASCIIToUTF16(")");
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}
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[button addItemWithTitle:base::SysUTF16ToNSString(description)];
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all_extensions->push_back(extensions);
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}
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// Add the *.* filter, but only if we have added other filters (otherwise it
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// is implied).
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if (include_all_files && !all_extensions->empty()) {
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[button addItemWithTitle:base::SysUTF8ToNSString("All Files (*)")];
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all_extensions->push_back(std::vector<base::string16>());
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}
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}
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} // namespace
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// Used to manage the file type filter in the NSSavePanel/NSOpenPanel.
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@interface CefFilterDelegate : NSObject {
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@private
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NSSavePanel* panel_;
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std::vector<std::vector<base::string16>> extensions_;
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int selected_index_;
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}
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- (id)initWithPanel:(NSSavePanel*)panel
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andAcceptFilters:(const std::vector<base::string16>&)accept_filters
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andFilterIndex:(int)index;
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- (void)setFilter:(int)index;
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- (int)filter;
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- (void)filterSelectionChanged:(id)sender;
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- (void)setFileExtension;
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@end
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@implementation CefFilterDelegate
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- (id)initWithPanel:(NSSavePanel*)panel
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andAcceptFilters:(const std::vector<base::string16>&)accept_filters
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andFilterIndex:(int)index {
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if (self = [super init]) {
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DCHECK(panel);
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panel_ = panel;
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selected_index_ = 0;
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NSPopUpButton* button = [[NSPopUpButton alloc] init];
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AddFilters(button, accept_filters, true, &extensions_);
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[button sizeToFit];
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[button setTarget:self];
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[button setAction:@selector(filterSelectionChanged:)];
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if (index < static_cast<int>(extensions_.size())) {
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[button selectItemAtIndex:index];
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[self setFilter:index];
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}
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[panel_ setAccessoryView:button];
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}
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return self;
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}
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// Set the current filter index.
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- (void)setFilter:(int)index {
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DCHECK(index >= 0 && index < static_cast<int>(extensions_.size()));
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selected_index_ = index;
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// Set the selectable file types. For open panels this limits the files that
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// can be selected. For save panels this applies a default file extenion when
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// the dialog is dismissed if none is already provided.
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NSMutableArray* acceptArray = nil;
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if (!extensions_[index].empty()) {
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acceptArray = [[NSMutableArray alloc] init];
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for (size_t i = 0; i < extensions_[index].size(); ++i) {
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[acceptArray
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addObject:base::SysUTF16ToNSString(extensions_[index][i].substr(1))];
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}
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}
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[panel_ setAllowedFileTypes:acceptArray];
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if (![panel_ isKindOfClass:[NSOpenPanel class]]) {
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// For save panels set the file extension.
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[self setFileExtension];
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}
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}
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// Returns the current filter index.
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- (int)filter {
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return selected_index_;
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}
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// Called when the selected filter is changed via the NSPopUpButton.
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- (void)filterSelectionChanged:(id)sender {
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NSPopUpButton* button = (NSPopUpButton*)sender;
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[self setFilter:[button indexOfSelectedItem]];
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}
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// Set the extension on the currently selected file name.
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- (void)setFileExtension {
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const std::vector<base::string16>& filter = extensions_[selected_index_];
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if (filter.empty()) {
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// All extensions are allowed so don't change anything.
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return;
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}
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base::FilePath path(base::SysNSStringToUTF8([panel_ nameFieldStringValue]));
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// If the file name currently includes an extension from |filter| then don't
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// change anything.
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base::string16 extension = base::UTF8ToUTF16(path.Extension());
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if (!extension.empty()) {
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for (size_t i = 0; i < filter.size(); ++i) {
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if (filter[i] == extension)
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return;
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}
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}
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// Change the extension to the first value in |filter|.
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path = path.ReplaceExtension(base::UTF16ToUTF8(filter[0]));
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[panel_ setNameFieldStringValue:base::SysUTF8ToNSString(path.value())];
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}
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@end
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CefFileDialogRunnerMac::CefFileDialogRunnerMac() : weak_ptr_factory_(this) {}
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void CefFileDialogRunnerMac::Run(AlloyBrowserHostImpl* browser,
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const FileChooserParams& params,
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RunFileChooserCallback callback) {
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callback_ = std::move(callback);
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int filter_index = params.selected_accept_filter;
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NSView* owner = CAST_CEF_WINDOW_HANDLE_TO_NSVIEW(browser->GetWindowHandle());
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auto weak_this = weak_ptr_factory_.GetWeakPtr();
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if (params.mode == blink::mojom::FileChooserParams::Mode::kOpen ||
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params.mode == blink::mojom::FileChooserParams::Mode::kOpenMultiple ||
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params.mode == blink::mojom::FileChooserParams::Mode::kUploadFolder) {
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RunOpenFileDialog(weak_this, params, owner, filter_index);
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} else if (params.mode == blink::mojom::FileChooserParams::Mode::kSave) {
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RunSaveFileDialog(weak_this, params, owner, filter_index);
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} else {
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NOTIMPLEMENTED();
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}
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}
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// static
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void CefFileDialogRunnerMac::RunOpenFileDialog(
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base::WeakPtr<CefFileDialogRunnerMac> weak_this,
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const CefFileDialogRunner::FileChooserParams& params,
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NSView* view,
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int filter_index) {
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NSOpenPanel* openPanel = [NSOpenPanel openPanel];
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base::string16 title;
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if (!params.title.empty()) {
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title = params.title;
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} else {
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title = l10n_util::GetStringUTF16(
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params.mode == blink::mojom::FileChooserParams::Mode::kOpen
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? IDS_OPEN_FILE_DIALOG_TITLE
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: (params.mode ==
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blink::mojom::FileChooserParams::Mode::kOpenMultiple
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? IDS_OPEN_FILES_DIALOG_TITLE
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: IDS_SELECT_FOLDER_DIALOG_TITLE));
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}
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[openPanel setTitle:base::SysUTF16ToNSString(title)];
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std::string filename, directory;
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if (!params.default_file_name.empty()) {
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if (params.mode == blink::mojom::FileChooserParams::Mode::kUploadFolder ||
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params.default_file_name.EndsWithSeparator()) {
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// The value is only a directory.
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directory = params.default_file_name.value();
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} else {
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// The value is a file name and possibly a directory.
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filename = params.default_file_name.BaseName().value();
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directory = params.default_file_name.DirName().value();
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}
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}
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if (!filename.empty()) {
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[openPanel setNameFieldStringValue:base::SysUTF8ToNSString(filename)];
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}
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if (!directory.empty()) {
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[openPanel setDirectoryURL:[NSURL fileURLWithPath:base::SysUTF8ToNSString(
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directory)]];
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}
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CefFilterDelegate* filter_delegate = nil;
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if (params.mode != blink::mojom::FileChooserParams::Mode::kUploadFolder &&
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!params.accept_types.empty()) {
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// Add the file filter control.
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filter_delegate =
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[[CefFilterDelegate alloc] initWithPanel:openPanel
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andAcceptFilters:params.accept_types
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andFilterIndex:filter_index];
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}
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// Further panel configuration.
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[openPanel setAllowsOtherFileTypes:YES];
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[openPanel setAllowsMultipleSelection:
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(params.mode ==
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blink::mojom::FileChooserParams::Mode::kOpenMultiple)];
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[openPanel
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setCanChooseFiles:(params.mode !=
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blink::mojom::FileChooserParams::Mode::kUploadFolder)];
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[openPanel
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setCanChooseDirectories:(params.mode == blink::mojom::FileChooserParams::
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Mode::kUploadFolder)];
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[openPanel setShowsHiddenFiles:!params.hidereadonly];
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// Show panel.
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[openPanel
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beginSheetModalForWindow:[view window]
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completionHandler:^(NSInteger returnCode) {
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int filter_index_to_use = (filter_delegate != nil)
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? [filter_delegate filter]
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: filter_index;
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if (returnCode == NSFileHandlingPanelOKButton) {
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std::vector<base::FilePath> files;
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files.reserve(openPanel.URLs.count);
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for (NSURL* url in openPanel.URLs) {
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if (url.isFileURL)
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files.push_back(base::FilePath(url.path.UTF8String));
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}
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std::move(weak_this->callback_)
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.Run(filter_index_to_use, files);
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} else {
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std::move(weak_this->callback_)
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.Run(filter_index_to_use, std::vector<base::FilePath>());
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}
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}];
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}
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// static
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void CefFileDialogRunnerMac::RunSaveFileDialog(
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base::WeakPtr<CefFileDialogRunnerMac> weak_this,
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const CefFileDialogRunner::FileChooserParams& params,
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NSView* view,
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int filter_index) {
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NSSavePanel* savePanel = [NSSavePanel savePanel];
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base::string16 title;
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if (!params.title.empty())
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title = params.title;
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else
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title = l10n_util::GetStringUTF16(IDS_SAVE_AS_DIALOG_TITLE);
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[savePanel setTitle:base::SysUTF16ToNSString(title)];
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std::string filename, directory;
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if (!params.default_file_name.empty()) {
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if (params.default_file_name.EndsWithSeparator()) {
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// The value is only a directory.
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directory = params.default_file_name.value();
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} else {
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// The value is a file name and possibly a directory.
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filename = params.default_file_name.BaseName().value();
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directory = params.default_file_name.DirName().value();
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}
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}
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if (!filename.empty()) {
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[savePanel setNameFieldStringValue:base::SysUTF8ToNSString(filename)];
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}
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if (!directory.empty()) {
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[savePanel setDirectoryURL:[NSURL fileURLWithPath:base::SysUTF8ToNSString(
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directory)]];
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}
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CefFilterDelegate* filter_delegate = nil;
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if (!params.accept_types.empty()) {
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// Add the file filter control.
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filter_delegate =
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[[CefFilterDelegate alloc] initWithPanel:savePanel
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andAcceptFilters:params.accept_types
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andFilterIndex:filter_index];
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}
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[savePanel setAllowsOtherFileTypes:YES];
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[savePanel setShowsHiddenFiles:!params.hidereadonly];
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// Show panel.
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[savePanel
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beginSheetModalForWindow:view.window
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completionHandler:^(NSInteger resultCode) {
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int filter_index_to_use = (filter_delegate != nil)
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? [filter_delegate filter]
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: filter_index;
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if (resultCode == NSFileHandlingPanelOKButton) {
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NSURL* url = savePanel.URL;
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const char* path = url.path.UTF8String;
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std::vector<base::FilePath> files(1, base::FilePath(path));
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std::move(weak_this->callback_)
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.Run(filter_index_to_use, files);
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} else {
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std::move(weak_this->callback_)
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.Run(filter_index_to_use, std::vector<base::FilePath>());
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}
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}];
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}
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