Merge pull request #7592 from frontapp/master

Preview file with QuickLook

atom/browser/api/atom_api_window.cc

@@ -729,6 +729,13 @@ void Window::SetAspectRatio(double aspect_ratio, mate::Arguments* args) {
   window_->SetAspectRatio(aspect_ratio, extra_size);
 }
 
+void Window::PreviewFile(const std::string& path, mate::Arguments* args) {
+  std::string display_name;
+  if (!args->GetNext(&display_name))
+    display_name = path;
+  window_->PreviewFile(path, display_name);
+}
+
 void Window::SetParentWindow(v8::Local<v8::Value> value,
                              mate::Arguments* args) {
   if (IsModal()) {
@@ -825,6 +832,7 @@ void Window::BuildPrototype(v8::Isolate* isolate,
       .SetMethod("setFullScreen", &Window::SetFullScreen)
       .SetMethod("isFullScreen", &Window::IsFullscreen)
       .SetMethod("setAspectRatio", &Window::SetAspectRatio)
+      .SetMethod("previewFile", &Window::PreviewFile)
 #if !defined(OS_WIN)
       .SetMethod("setParentWindow", &Window::SetParentWindow)
 #endif

atom/browser/api/atom_api_window.h

@@ -170,6 +170,7 @@ class Window : public mate::TrackableObject<Window>,
   void SetMenuBarVisibility(bool visible);
   bool IsMenuBarVisible();
   void SetAspectRatio(double aspect_ratio, mate::Arguments* args);
+  void PreviewFile(const std::string& path, mate::Arguments* args);
   void SetParentWindow(v8::Local<v8::Value> value, mate::Arguments* args);
   v8::Local<v8::Value> GetParentWindow() const;
   std::vector<v8::Local<v8::Object>> GetChildWindows() const;

atom/browser/native_window.cc

@@ -374,6 +374,10 @@ void NativeWindow::SetAspectRatio(double aspect_ratio,
   aspect_ratio_extraSize_ = extra_size;
 }
 
+void NativeWindow::PreviewFile(const std::string& path,
+                               const std::string& display_name) {
+}
+
 void NativeWindow::RequestToClosePage() {
   bool prevent_default = false;
   FOR_EACH_OBSERVER(NativeWindowObserver,

atom/browser/native_window.h

@@ -176,6 +176,8 @@ class NativeWindow : public base::SupportsUserData,
   double GetAspectRatio();
   gfx::Size GetAspectRatioExtraSize();
   virtual void SetAspectRatio(double aspect_ratio, const gfx::Size& extra_size);
+  virtual void PreviewFile(const std::string& path,
+                           const std::string& display_name);
 
   base::WeakPtr<NativeWindow> GetWeakPtr() {
     return weak_factory_.GetWeakPtr();

atom/browser/native_window_mac.h

@@ -55,6 +55,8 @@ class NativeWindowMac : public NativeWindow,
   void SetMovable(bool movable) override;
   void SetAspectRatio(double aspect_ratio, const gfx::Size& extra_size)
     override;
+  void PreviewFile(const std::string& path, const std::string& display_name)
+    override;
   bool IsMovable() override;
   void SetMinimizable(bool minimizable) override;
   bool IsMinimizable() override;

atom/browser/native_window_mac.mm

@@ -4,6 +4,7 @@
 
 #include "atom/browser/native_window_mac.h"
 
+#include <Quartz/Quartz.h>
 #include <string>
 
 #include "atom/browser/window_list.h"
@@ -277,7 +278,29 @@ bool ScopedDisableResize::disable_resize_ = false;
 
 @end
 
-@interface AtomNSWindow : EventDispatchingWindow {
+@interface AtomPreviewItem : NSObject <QLPreviewItem>
+
+@property (nonatomic, retain) NSURL* previewItemURL;
+@property (nonatomic, retain) NSString* previewItemTitle;
+
+- (id)initWithURL:(NSURL*)url title:(NSString*)title;
+
+@end
+
+@implementation AtomPreviewItem
+
+- (id)initWithURL:(NSURL*)url title:(NSString*)title {
+  self = [super init];
+  if (self) {
+    self.previewItemURL = url;
+    self.previewItemTitle = title;
+  }
+  return self;
+}
+
+@end
+
+@interface AtomNSWindow : EventDispatchingWindow<QLPreviewPanelDataSource, QLPreviewPanelDelegate> {
  @private
   atom::NativeWindowMac* shell_;
   bool enable_larger_than_screen_;
@@ -287,6 +310,7 @@ bool ScopedDisableResize::disable_resize_ = false;
 @property BOOL disableAutoHideCursor;
 @property BOOL disableKeyOrMainWindow;
 @property NSPoint windowButtonsOffset;
+@property (nonatomic, retain) AtomPreviewItem* quickLookItem;
 
 - (void)setShell:(atom::NativeWindowMac*)shell;
 - (void)setEnableLargerThanScreen:(bool)enable;
@@ -444,6 +468,36 @@ bool ScopedDisableResize::disable_resize_ = false;
   return [[self contentView] superview];
 }
 
+// Quicklook methods
+
+- (BOOL)acceptsPreviewPanelControl:(QLPreviewPanel*)panel {
+  return YES;
+}
+
+- (void)beginPreviewPanelControl:(QLPreviewPanel*)panel {
+  panel.delegate = self;
+  panel.dataSource = self;
+}
+
+- (void)endPreviewPanelControl:(QLPreviewPanel*)panel {
+  panel.delegate = nil;
+  panel.dataSource = nil;
+}
+
+- (NSInteger)numberOfPreviewItemsInPreviewPanel:(QLPreviewPanel*)panel {
+  return 1;
+}
+
+- (id <QLPreviewItem>)previewPanel:(QLPreviewPanel*)panel previewItemAtIndex:(NSInteger)index {
+  return [self quickLookItem];
+}
+
+- (void)previewFileAtPath:(NSString*)path  withName:(NSString*) fileName {
+  NSURL* url = [[[NSURL alloc] initFileURLWithPath:path] autorelease];
+  [self setQuickLookItem:[[[AtomPreviewItem alloc] initWithURL:url title:fileName] autorelease]];
+  [[QLPreviewPanel sharedPreviewPanel] makeKeyAndOrderFront:nil];
+}
+
 @end
 
 @interface ControlRegionView : NSView
@@ -899,6 +953,13 @@ void NativeWindowMac::SetAspectRatio(double aspect_ratio,
     [window_ setResizeIncrements:NSMakeSize(1.0, 1.0)];
 }
 
+void NativeWindowMac::PreviewFile(const std::string& path,
+                                  const std::string& display_name) {
+  NSString* path_ns = [NSString stringWithUTF8String:path.c_str()];
+  NSString* name_ns = [NSString stringWithUTF8String:display_name.c_str()];
+  [window_ previewFileAtPath:path_ns withName:name_ns];
+}
+
 void NativeWindowMac::SetMovable(bool movable) {
   [window_ setMovable:movable];
 }

docs/api/browser-window.md

@@ -664,6 +664,17 @@ the player itself we would call this function with arguments of 16/9 and
 are within the content view--only that they exist. Just sum any extra width and
 height areas you have within the overall content view.
 
+#### `win.previewFile(path[, displayName])` _macOS_
+
+* `path` String - The absolute path to the file to preview with QuickLook. This
+  is important as Quick Look uses the file name and file extension on the path
+  to determine the content type of the file to open.
+* `displayName` String (Optional) - The name of the file to display on the
+  Quick Look modal view. This is purely visual and does not affect the content
+  type of the file. Defaults to `path`.
+
+Uses [Quick Look][quick-look] to preview a file at a given path.
+
 #### `win.setBounds(bounds[, animate])`
 
 * `bounds` [Rectangle](structures/rectangle.md)
@@ -1182,3 +1193,4 @@ Returns `BrowserWindow` - The parent window.
 Returns `BrowserWindow[]` - All child windows.
 
 [window-levels]: https://developer.apple.com/reference/appkit/nswindow/1664726-window_levels
+[quick-look]: https://en.wikipedia.org/wiki/Quick_Look

electron.gyp

@@ -509,6 +509,7 @@
             'libraries': [
               '$(SDKROOT)/System/Library/Frameworks/Carbon.framework',
               '$(SDKROOT)/System/Library/Frameworks/QuartzCore.framework',
+              '$(SDKROOT)/System/Library/Frameworks/Quartz.framework',
             ],
           },
           'mac_bundle': 1,